diff --git a/cloudkittydashboard/static/cloudkitty/js/d3.js b/cloudkittydashboard/static/cloudkitty/js/d3.js
new file mode 100644
index 0000000..a3e4b95
--- /dev/null
+++ b/cloudkittydashboard/static/cloudkitty/js/d3.js
@@ -0,0 +1,9294 @@
+!function() {
+  var d3 = {
+    version: "3.4.4"
+  };
+  if (!Date.now) Date.now = function() {
+    return +new Date();
+  };
+  var d3_arraySlice = [].slice, d3_array = function(list) {
+    return d3_arraySlice.call(list);
+  };
+  var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window;
+  try {
+    d3_array(d3_documentElement.childNodes)[0].nodeType;
+  } catch (e) {
+    d3_array = function(list) {
+      var i = list.length, array = new Array(i);
+      while (i--) array[i] = list[i];
+      return array;
+    };
+  }
+  try {
+    d3_document.createElement("div").style.setProperty("opacity", 0, "");
+  } catch (error) {
+    var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+    d3_element_prototype.setAttribute = function(name, value) {
+      d3_element_setAttribute.call(this, name, value + "");
+    };
+    d3_element_prototype.setAttributeNS = function(space, local, value) {
+      d3_element_setAttributeNS.call(this, space, local, value + "");
+    };
+    d3_style_prototype.setProperty = function(name, value, priority) {
+      d3_style_setProperty.call(this, name, value + "", priority);
+    };
+  }
+  d3.ascending = d3_ascending;
+  function d3_ascending(a, b) {
+    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+  }
+  d3.descending = function(a, b) {
+    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+  };
+  d3.min = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && !((a = array[i]) != null && a <= a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+    } else {
+      while (++i < n && !((a = f.call(array, array[i], i)) != null && a <= a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+    }
+    return a;
+  };
+  d3.max = function(array, f) {
+    var i = -1, n = array.length, a, b;
+    if (arguments.length === 1) {
+      while (++i < n && !((a = array[i]) != null && a <= a)) a = undefined;
+      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+    } else {
+      while (++i < n && !((a = f.call(array, array[i], i)) != null && a <= a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+    }
+    return a;
+  };
+  d3.extent = function(array, f) {
+    var i = -1, n = array.length, a, b, c;
+    if (arguments.length === 1) {
+      while (++i < n && !((a = c = array[i]) != null && a <= a)) a = c = undefined;
+      while (++i < n) if ((b = array[i]) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
+    } else {
+      while (++i < n && !((a = c = f.call(array, array[i], i)) != null && a <= a)) a = undefined;
+      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+        if (a > b) a = b;
+        if (c < b) c = b;
+      }
+    }
+    return [ a, c ];
+  };
+  d3.sum = function(array, f) {
+    var s = 0, n = array.length, a, i = -1;
+    if (arguments.length === 1) {
+      while (++i < n) if (!isNaN(a = +array[i])) s += a;
+    } else {
+      while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
+    }
+    return s;
+  };
+  function d3_number(x) {
+    return x != null && !isNaN(x);
+  }
+  d3.mean = function(array, f) {
+    var n = array.length, a, m = 0, i = -1, j = 0;
+    if (arguments.length === 1) {
+      while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
+    } else {
+      while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
+    }
+    return j ? m : undefined;
+  };
+  d3.quantile = function(values, p) {
+    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
+    return e ? v + e * (values[h] - v) : v;
+  };
+  d3.median = function(array, f) {
+    if (arguments.length > 1) array = array.map(f);
+    array = array.filter(d3_number);
+    return array.length ? d3.quantile(array.sort(d3_ascending), .5) : undefined;
+  };
+  function d3_bisector(compare) {
+    return {
+      left: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
+        }
+        return lo;
+      },
+      right: function(a, x, lo, hi) {
+        if (arguments.length < 3) lo = 0;
+        if (arguments.length < 4) hi = a.length;
+        while (lo < hi) {
+          var mid = lo + hi >>> 1;
+          if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
+        }
+        return lo;
+      }
+    };
+  }
+  var d3_bisect = d3_bisector(d3_ascending);
+  d3.bisectLeft = d3_bisect.left;
+  d3.bisect = d3.bisectRight = d3_bisect.right;
+  d3.bisector = function(f) {
+    return d3_bisector(f.length === 1 ? function(d, x) {
+      return d3_ascending(f(d), x);
+    } : f);
+  };
+  d3.shuffle = function(array) {
+    var m = array.length, t, i;
+    while (m) {
+      i = Math.random() * m-- | 0;
+      t = array[m], array[m] = array[i], array[i] = t;
+    }
+    return array;
+  };
+  d3.permute = function(array, indexes) {
+    var i = indexes.length, permutes = new Array(i);
+    while (i--) permutes[i] = array[indexes[i]];
+    return permutes;
+  };
+  d3.pairs = function(array) {
+    var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
+    while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
+    return pairs;
+  };
+  d3.zip = function() {
+    if (!(n = arguments.length)) return [];
+    for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+      for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+        zip[j] = arguments[j][i];
+      }
+    }
+    return zips;
+  };
+  function d3_zipLength(d) {
+    return d.length;
+  }
+  d3.transpose = function(matrix) {
+    return d3.zip.apply(d3, matrix);
+  };
+  d3.keys = function(map) {
+    var keys = [];
+    for (var key in map) keys.push(key);
+    return keys;
+  };
+  d3.values = function(map) {
+    var values = [];
+    for (var key in map) values.push(map[key]);
+    return values;
+  };
+  d3.entries = function(map) {
+    var entries = [];
+    for (var key in map) entries.push({
+      key: key,
+      value: map[key]
+    });
+    return entries;
+  };
+  d3.merge = function(arrays) {
+    var n = arrays.length, m, i = -1, j = 0, merged, array;
+    while (++i < n) j += arrays[i].length;
+    merged = new Array(j);
+    while (--n >= 0) {
+      array = arrays[n];
+      m = array.length;
+      while (--m >= 0) {
+        merged[--j] = array[m];
+      }
+    }
+    return merged;
+  };
+  var abs = Math.abs;
+  d3.range = function(start, stop, step) {
+    if (arguments.length < 3) {
+      step = 1;
+      if (arguments.length < 2) {
+        stop = start;
+        start = 0;
+      }
+    }
+    if ((stop - start) / step === Infinity) throw new Error("infinite range");
+    var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
+    start *= k, stop *= k, step *= k;
+    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+    return range;
+  };
+  function d3_range_integerScale(x) {
+    var k = 1;
+    while (x * k % 1) k *= 10;
+    return k;
+  }
+  function d3_class(ctor, properties) {
+    try {
+      for (var key in properties) {
+        Object.defineProperty(ctor.prototype, key, {
+          value: properties[key],
+          enumerable: false
+        });
+      }
+    } catch (e) {
+      ctor.prototype = properties;
+    }
+  }
+  d3.map = function(object) {
+    var map = new d3_Map();
+    if (object instanceof d3_Map) object.forEach(function(key, value) {
+      map.set(key, value);
+    }); else for (var key in object) map.set(key, object[key]);
+    return map;
+  };
+  function d3_Map() {}
+  d3_class(d3_Map, {
+    has: d3_map_has,
+    get: function(key) {
+      return this[d3_map_prefix + key];
+    },
+    set: function(key, value) {
+      return this[d3_map_prefix + key] = value;
+    },
+    remove: d3_map_remove,
+    keys: d3_map_keys,
+    values: function() {
+      var values = [];
+      this.forEach(function(key, value) {
+        values.push(value);
+      });
+      return values;
+    },
+    entries: function() {
+      var entries = [];
+      this.forEach(function(key, value) {
+        entries.push({
+          key: key,
+          value: value
+        });
+      });
+      return entries;
+    },
+    size: d3_map_size,
+    empty: d3_map_empty,
+    forEach: function(f) {
+      for (var key in this) if (key.charCodeAt(0) === d3_map_prefixCode) f.call(this, key.substring(1), this[key]);
+    }
+  });
+  var d3_map_prefix = "\x00", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
+  function d3_map_has(key) {
+    return d3_map_prefix + key in this;
+  }
+  function d3_map_remove(key) {
+    key = d3_map_prefix + key;
+    return key in this && delete this[key];
+  }
+  function d3_map_keys() {
+    var keys = [];
+    this.forEach(function(key) {
+      keys.push(key);
+    });
+    return keys;
+  }
+  function d3_map_size() {
+    var size = 0;
+    for (var key in this) if (key.charCodeAt(0) === d3_map_prefixCode) ++size;
+    return size;
+  }
+  function d3_map_empty() {
+    for (var key in this) if (key.charCodeAt(0) === d3_map_prefixCode) return false;
+    return true;
+  }
+  d3.nest = function() {
+    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+    function map(mapType, array, depth) {
+      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
+      while (++i < n) {
+        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+          values.push(object);
+        } else {
+          valuesByKey.set(keyValue, [ object ]);
+        }
+      }
+      if (mapType) {
+        object = mapType();
+        setter = function(keyValue, values) {
+          object.set(keyValue, map(mapType, values, depth));
+        };
+      } else {
+        object = {};
+        setter = function(keyValue, values) {
+          object[keyValue] = map(mapType, values, depth);
+        };
+      }
+      valuesByKey.forEach(setter);
+      return object;
+    }
+    function entries(map, depth) {
+      if (depth >= keys.length) return map;
+      var array = [], sortKey = sortKeys[depth++];
+      map.forEach(function(key, keyMap) {
+        array.push({
+          key: key,
+          values: entries(keyMap, depth)
+        });
+      });
+      return sortKey ? array.sort(function(a, b) {
+        return sortKey(a.key, b.key);
+      }) : array;
+    }
+    nest.map = function(array, mapType) {
+      return map(mapType, array, 0);
+    };
+    nest.entries = function(array) {
+      return entries(map(d3.map, array, 0), 0);
+    };
+    nest.key = function(d) {
+      keys.push(d);
+      return nest;
+    };
+    nest.sortKeys = function(order) {
+      sortKeys[keys.length - 1] = order;
+      return nest;
+    };
+    nest.sortValues = function(order) {
+      sortValues = order;
+      return nest;
+    };
+    nest.rollup = function(f) {
+      rollup = f;
+      return nest;
+    };
+    return nest;
+  };
+  d3.set = function(array) {
+    var set = new d3_Set();
+    if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
+    return set;
+  };
+  function d3_Set() {}
+  d3_class(d3_Set, {
+    has: d3_map_has,
+    add: function(value) {
+      this[d3_map_prefix + value] = true;
+      return value;
+    },
+    remove: function(value) {
+      value = d3_map_prefix + value;
+      return value in this && delete this[value];
+    },
+    values: d3_map_keys,
+    size: d3_map_size,
+    empty: d3_map_empty,
+    forEach: function(f) {
+      for (var value in this) if (value.charCodeAt(0) === d3_map_prefixCode) f.call(this, value.substring(1));
+    }
+  });
+  d3.behavior = {};
+  d3.rebind = function(target, source) {
+    var i = 1, n = arguments.length, method;
+    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+    return target;
+  };
+  function d3_rebind(target, source, method) {
+    return function() {
+      var value = method.apply(source, arguments);
+      return value === source ? target : value;
+    };
+  }
+  function d3_vendorSymbol(object, name) {
+    if (name in object) return name;
+    name = name.charAt(0).toUpperCase() + name.substring(1);
+    for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
+      var prefixName = d3_vendorPrefixes[i] + name;
+      if (prefixName in object) return prefixName;
+    }
+  }
+  var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
+  function d3_noop() {}
+  d3.dispatch = function() {
+    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    return dispatch;
+  };
+  function d3_dispatch() {}
+  d3_dispatch.prototype.on = function(type, listener) {
+    var i = type.indexOf("."), name = "";
+    if (i >= 0) {
+      name = type.substring(i + 1);
+      type = type.substring(0, i);
+    }
+    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+    if (arguments.length === 2) {
+      if (listener == null) for (type in this) {
+        if (this.hasOwnProperty(type)) this[type].on(name, null);
+      }
+      return this;
+    }
+  };
+  function d3_dispatch_event(dispatch) {
+    var listeners = [], listenerByName = new d3_Map();
+    function event() {
+      var z = listeners, i = -1, n = z.length, l;
+      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+      return dispatch;
+    }
+    event.on = function(name, listener) {
+      var l = listenerByName.get(name), i;
+      if (arguments.length < 2) return l && l.on;
+      if (l) {
+        l.on = null;
+        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+        listenerByName.remove(name);
+      }
+      if (listener) listeners.push(listenerByName.set(name, {
+        on: listener
+      }));
+      return dispatch;
+    };
+    return event;
+  }
+  d3.event = null;
+  function d3_eventPreventDefault() {
+    d3.event.preventDefault();
+  }
+  function d3_eventSource() {
+    var e = d3.event, s;
+    while (s = e.sourceEvent) e = s;
+    return e;
+  }
+  function d3_eventDispatch(target) {
+    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
+    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+    dispatch.of = function(thiz, argumentz) {
+      return function(e1) {
+        try {
+          var e0 = e1.sourceEvent = d3.event;
+          e1.target = target;
+          d3.event = e1;
+          dispatch[e1.type].apply(thiz, argumentz);
+        } finally {
+          d3.event = e0;
+        }
+      };
+    };
+    return dispatch;
+  }
+  d3.requote = function(s) {
+    return s.replace(d3_requote_re, "\\$&");
+  };
+  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+  var d3_subclass = {}.__proto__ ? function(object, prototype) {
+    object.__proto__ = prototype;
+  } : function(object, prototype) {
+    for (var property in prototype) object[property] = prototype[property];
+  };
+  function d3_selection(groups) {
+    d3_subclass(groups, d3_selectionPrototype);
+    return groups;
+  }
+  var d3_select = function(s, n) {
+    return n.querySelector(s);
+  }, d3_selectAll = function(s, n) {
+    return n.querySelectorAll(s);
+  }, d3_selectMatcher = d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], d3_selectMatches = function(n, s) {
+    return d3_selectMatcher.call(n, s);
+  };
+  if (typeof Sizzle === "function") {
+    d3_select = function(s, n) {
+      return Sizzle(s, n)[0] || null;
+    };
+    d3_selectAll = Sizzle;
+    d3_selectMatches = Sizzle.matchesSelector;
+  }
+  d3.selection = function() {
+    return d3_selectionRoot;
+  };
+  var d3_selectionPrototype = d3.selection.prototype = [];
+  d3_selectionPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, group, node;
+    selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(subnode = selector.call(node, node.__data__, i, j));
+          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_selector(selector) {
+    return typeof selector === "function" ? selector : function() {
+      return d3_select(selector, this);
+    };
+  }
+  d3_selectionPrototype.selectAll = function(selector) {
+    var subgroups = [], subgroup, node;
+    selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
+          subgroup.parentNode = node;
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_selectorAll(selector) {
+    return typeof selector === "function" ? selector : function() {
+      return d3_selectAll(selector, this);
+    };
+  }
+  var d3_nsPrefix = {
+    svg: "http://www.w3.org/2000/svg",
+    xhtml: "http://www.w3.org/1999/xhtml",
+    xlink: "http://www.w3.org/1999/xlink",
+    xml: "http://www.w3.org/XML/1998/namespace",
+    xmlns: "http://www.w3.org/2000/xmlns/"
+  };
+  d3.ns = {
+    prefix: d3_nsPrefix,
+    qualify: function(name) {
+      var i = name.indexOf(":"), prefix = name;
+      if (i >= 0) {
+        prefix = name.substring(0, i);
+        name = name.substring(i + 1);
+      }
+      return d3_nsPrefix.hasOwnProperty(prefix) ? {
+        space: d3_nsPrefix[prefix],
+        local: name
+      } : name;
+    }
+  };
+  d3_selectionPrototype.attr = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node();
+        name = d3.ns.qualify(name);
+        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+      }
+      for (value in name) this.each(d3_selection_attr(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_attr(name, value));
+  };
+  function d3_selection_attr(name, value) {
+    name = d3.ns.qualify(name);
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    function attrConstant() {
+      this.setAttribute(name, value);
+    }
+    function attrConstantNS() {
+      this.setAttributeNS(name.space, name.local, value);
+    }
+    function attrFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+    }
+    function attrFunctionNS() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+    }
+    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+  }
+  function d3_collapse(s) {
+    return s.trim().replace(/\s+/g, " ");
+  }
+  d3_selectionPrototype.classed = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") {
+        var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
+        if (value = node.classList) {
+          while (++i < n) if (!value.contains(name[i])) return false;
+        } else {
+          value = node.getAttribute("class");
+          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+        }
+        return true;
+      }
+      for (value in name) this.each(d3_selection_classed(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_classed(name, value));
+  };
+  function d3_selection_classedRe(name) {
+    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+  }
+  function d3_selection_classes(name) {
+    return name.trim().split(/^|\s+/);
+  }
+  function d3_selection_classed(name, value) {
+    name = d3_selection_classes(name).map(d3_selection_classedName);
+    var n = name.length;
+    function classedConstant() {
+      var i = -1;
+      while (++i < n) name[i](this, value);
+    }
+    function classedFunction() {
+      var i = -1, x = value.apply(this, arguments);
+      while (++i < n) name[i](this, x);
+    }
+    return typeof value === "function" ? classedFunction : classedConstant;
+  }
+  function d3_selection_classedName(name) {
+    var re = d3_selection_classedRe(name);
+    return function(node, value) {
+      if (c = node.classList) return value ? c.add(name) : c.remove(name);
+      var c = node.getAttribute("class") || "";
+      if (value) {
+        re.lastIndex = 0;
+        if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
+      } else {
+        node.setAttribute("class", d3_collapse(c.replace(re, " ")));
+      }
+    };
+  }
+  d3_selectionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+        return this;
+      }
+      if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name);
+      priority = "";
+    }
+    return this.each(d3_selection_style(name, value, priority));
+  };
+  function d3_selection_style(name, value, priority) {
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    function styleConstant() {
+      this.style.setProperty(name, value, priority);
+    }
+    function styleFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+    }
+    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+  }
+  d3_selectionPrototype.property = function(name, value) {
+    if (arguments.length < 2) {
+      if (typeof name === "string") return this.node()[name];
+      for (value in name) this.each(d3_selection_property(value, name[value]));
+      return this;
+    }
+    return this.each(d3_selection_property(name, value));
+  };
+  function d3_selection_property(name, value) {
+    function propertyNull() {
+      delete this[name];
+    }
+    function propertyConstant() {
+      this[name] = value;
+    }
+    function propertyFunction() {
+      var x = value.apply(this, arguments);
+      if (x == null) delete this[name]; else this[name] = x;
+    }
+    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+  }
+  d3_selectionPrototype.text = function(value) {
+    return arguments.length ? this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.textContent = v == null ? "" : v;
+    } : value == null ? function() {
+      this.textContent = "";
+    } : function() {
+      this.textContent = value;
+    }) : this.node().textContent;
+  };
+  d3_selectionPrototype.html = function(value) {
+    return arguments.length ? this.each(typeof value === "function" ? function() {
+      var v = value.apply(this, arguments);
+      this.innerHTML = v == null ? "" : v;
+    } : value == null ? function() {
+      this.innerHTML = "";
+    } : function() {
+      this.innerHTML = value;
+    }) : this.node().innerHTML;
+  };
+  d3_selectionPrototype.append = function(name) {
+    name = d3_selection_creator(name);
+    return this.select(function() {
+      return this.appendChild(name.apply(this, arguments));
+    });
+  };
+  function d3_selection_creator(name) {
+    return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() {
+      return this.ownerDocument.createElementNS(name.space, name.local);
+    } : function() {
+      return this.ownerDocument.createElementNS(this.namespaceURI, name);
+    };
+  }
+  d3_selectionPrototype.insert = function(name, before) {
+    name = d3_selection_creator(name);
+    before = d3_selection_selector(before);
+    return this.select(function() {
+      return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
+    });
+  };
+  d3_selectionPrototype.remove = function() {
+    return this.each(function() {
+      var parent = this.parentNode;
+      if (parent) parent.removeChild(this);
+    });
+  };
+  d3_selectionPrototype.data = function(value, key) {
+    var i = -1, n = this.length, group, node;
+    if (!arguments.length) {
+      value = new Array(n = (group = this[0]).length);
+      while (++i < n) {
+        if (node = group[i]) {
+          value[i] = node.__data__;
+        }
+      }
+      return value;
+    }
+    function bind(group, groupData) {
+      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
+      if (key) {
+        var nodeByKeyValue = new d3_Map(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue;
+        for (i = -1; ++i < n; ) {
+          keyValue = key.call(node = group[i], node.__data__, i);
+          if (nodeByKeyValue.has(keyValue)) {
+            exitNodes[i] = node;
+          } else {
+            nodeByKeyValue.set(keyValue, node);
+          }
+          keyValues.push(keyValue);
+        }
+        for (i = -1; ++i < m; ) {
+          keyValue = key.call(groupData, nodeData = groupData[i], i);
+          if (node = nodeByKeyValue.get(keyValue)) {
+            updateNodes[i] = node;
+            node.__data__ = nodeData;
+          } else if (!dataByKeyValue.has(keyValue)) {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+          }
+          dataByKeyValue.set(keyValue, nodeData);
+          nodeByKeyValue.remove(keyValue);
+        }
+        for (i = -1; ++i < n; ) {
+          if (nodeByKeyValue.has(keyValues[i])) {
+            exitNodes[i] = group[i];
+          }
+        }
+      } else {
+        for (i = -1; ++i < n0; ) {
+          node = group[i];
+          nodeData = groupData[i];
+          if (node) {
+            node.__data__ = nodeData;
+            updateNodes[i] = node;
+          } else {
+            enterNodes[i] = d3_selection_dataNode(nodeData);
+          }
+        }
+        for (;i < m; ++i) {
+          enterNodes[i] = d3_selection_dataNode(groupData[i]);
+        }
+        for (;i < n; ++i) {
+          exitNodes[i] = group[i];
+        }
+      }
+      enterNodes.update = updateNodes;
+      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+      enter.push(enterNodes);
+      update.push(updateNodes);
+      exit.push(exitNodes);
+    }
+    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+    if (typeof value === "function") {
+      while (++i < n) {
+        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+      }
+    } else {
+      while (++i < n) {
+        bind(group = this[i], value);
+      }
+    }
+    update.enter = function() {
+      return enter;
+    };
+    update.exit = function() {
+      return exit;
+    };
+    return update;
+  };
+  function d3_selection_dataNode(data) {
+    return {
+      __data__: data
+    };
+  }
+  d3_selectionPrototype.datum = function(value) {
+    return arguments.length ? this.property("__data__", value) : this.property("__data__");
+  };
+  d3_selectionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = (group = this[j]).parentNode;
+      for (var i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  function d3_selection_filter(selector) {
+    return function() {
+      return d3_selectMatches(this, selector);
+    };
+  }
+  d3_selectionPrototype.order = function() {
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+        if (node = group[i]) {
+          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+          next = node;
+        }
+      }
+    }
+    return this;
+  };
+  d3_selectionPrototype.sort = function(comparator) {
+    comparator = d3_selection_sortComparator.apply(this, arguments);
+    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+    return this.order();
+  };
+  function d3_selection_sortComparator(comparator) {
+    if (!arguments.length) comparator = d3_ascending;
+    return function(a, b) {
+      return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
+    };
+  }
+  d3_selectionPrototype.each = function(callback) {
+    return d3_selection_each(this, function(node, i, j) {
+      callback.call(node, node.__data__, i, j);
+    });
+  };
+  function d3_selection_each(groups, callback) {
+    for (var j = 0, m = groups.length; j < m; j++) {
+      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+        if (node = group[i]) callback(node, i, j);
+      }
+    }
+    return groups;
+  }
+  d3_selectionPrototype.call = function(callback) {
+    var args = d3_array(arguments);
+    callback.apply(args[0] = this, args);
+    return this;
+  };
+  d3_selectionPrototype.empty = function() {
+    return !this.node();
+  };
+  d3_selectionPrototype.node = function() {
+    for (var j = 0, m = this.length; j < m; j++) {
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        var node = group[i];
+        if (node) return node;
+      }
+    }
+    return null;
+  };
+  d3_selectionPrototype.size = function() {
+    var n = 0;
+    this.each(function() {
+      ++n;
+    });
+    return n;
+  };
+  function d3_selection_enter(selection) {
+    d3_subclass(selection, d3_selection_enterPrototype);
+    return selection;
+  }
+  var d3_selection_enterPrototype = [];
+  d3.selection.enter = d3_selection_enter;
+  d3.selection.enter.prototype = d3_selection_enterPrototype;
+  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+  d3_selection_enterPrototype.call = d3_selectionPrototype.call;
+  d3_selection_enterPrototype.size = d3_selectionPrototype.size;
+  d3_selection_enterPrototype.select = function(selector) {
+    var subgroups = [], subgroup, subnode, upgroup, group, node;
+    for (var j = -1, m = this.length; ++j < m; ) {
+      upgroup = (group = this[j]).update;
+      subgroups.push(subgroup = []);
+      subgroup.parentNode = group.parentNode;
+      for (var i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
+          subnode.__data__ = node.__data__;
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_selection(subgroups);
+  };
+  d3_selection_enterPrototype.insert = function(name, before) {
+    if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
+    return d3_selectionPrototype.insert.call(this, name, before);
+  };
+  function d3_selection_enterInsertBefore(enter) {
+    var i0, j0;
+    return function(d, i, j) {
+      var group = enter[j].update, n = group.length, node;
+      if (j != j0) j0 = j, i0 = 0;
+      if (i >= i0) i0 = i + 1;
+      while (!(node = group[i0]) && ++i0 < n) ;
+      return node;
+    };
+  }
+  d3_selectionPrototype.transition = function() {
+    var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = d3_transitionInherit || {
+      time: Date.now(),
+      ease: d3_ease_cubicInOut,
+      delay: 0,
+      duration: 250
+    };
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) d3_transitionNode(node, i, id, transition);
+        subgroup.push(node);
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_selectionPrototype.interrupt = function() {
+    return this.each(d3_selection_interrupt);
+  };
+  function d3_selection_interrupt() {
+    var lock = this.__transition__;
+    if (lock) ++lock.active;
+  }
+  d3.select = function(node) {
+    var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ];
+    group.parentNode = d3_documentElement;
+    return d3_selection([ group ]);
+  };
+  d3.selectAll = function(nodes) {
+    var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes);
+    group.parentNode = d3_documentElement;
+    return d3_selection([ group ]);
+  };
+  var d3_selectionRoot = d3.select(d3_documentElement);
+  d3_selectionPrototype.on = function(type, listener, capture) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof type !== "string") {
+        if (n < 2) listener = false;
+        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+        return this;
+      }
+      if (n < 2) return (n = this.node()["__on" + type]) && n._;
+      capture = false;
+    }
+    return this.each(d3_selection_on(type, listener, capture));
+  };
+  function d3_selection_on(type, listener, capture) {
+    var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
+    if (i > 0) type = type.substring(0, i);
+    var filter = d3_selection_onFilters.get(type);
+    if (filter) type = filter, wrap = d3_selection_onFilter;
+    function onRemove() {
+      var l = this[name];
+      if (l) {
+        this.removeEventListener(type, l, l.$);
+        delete this[name];
+      }
+    }
+    function onAdd() {
+      var l = wrap(listener, d3_array(arguments));
+      onRemove.call(this);
+      this.addEventListener(type, this[name] = l, l.$ = capture);
+      l._ = listener;
+    }
+    function removeAll() {
+      var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
+      for (var name in this) {
+        if (match = name.match(re)) {
+          var l = this[name];
+          this.removeEventListener(match[1], l, l.$);
+          delete this[name];
+        }
+      }
+    }
+    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
+  }
+  var d3_selection_onFilters = d3.map({
+    mouseenter: "mouseover",
+    mouseleave: "mouseout"
+  });
+  d3_selection_onFilters.forEach(function(k) {
+    if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
+  });
+  function d3_selection_onListener(listener, argumentz) {
+    return function(e) {
+      var o = d3.event;
+      d3.event = e;
+      argumentz[0] = this.__data__;
+      try {
+        listener.apply(this, argumentz);
+      } finally {
+        d3.event = o;
+      }
+    };
+  }
+  function d3_selection_onFilter(listener, argumentz) {
+    var l = d3_selection_onListener(listener, argumentz);
+    return function(e) {
+      var target = this, related = e.relatedTarget;
+      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
+        l.call(target, e);
+      }
+    };
+  }
+  var d3_event_dragSelect = "onselectstart" in d3_document ? null : d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0;
+  function d3_event_dragSuppress() {
+    var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
+    if (d3_event_dragSelect) {
+      var style = d3_documentElement.style, select = style[d3_event_dragSelect];
+      style[d3_event_dragSelect] = "none";
+    }
+    return function(suppressClick) {
+      w.on(name, null);
+      if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
+      if (suppressClick) {
+        function off() {
+          w.on(click, null);
+        }
+        w.on(click, function() {
+          d3_eventPreventDefault();
+          off();
+        }, true);
+        setTimeout(off, 0);
+      }
+    };
+  }
+  d3.mouse = function(container) {
+    return d3_mousePoint(container, d3_eventSource());
+  };
+  function d3_mousePoint(container, e) {
+    if (e.changedTouches) e = e.changedTouches[0];
+    var svg = container.ownerSVGElement || container;
+    if (svg.createSVGPoint) {
+      var point = svg.createSVGPoint();
+      point.x = e.clientX, point.y = e.clientY;
+      point = point.matrixTransform(container.getScreenCTM().inverse());
+      return [ point.x, point.y ];
+    }
+    var rect = container.getBoundingClientRect();
+    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+  }
+  d3.touches = function(container, touches) {
+    if (arguments.length < 2) touches = d3_eventSource().touches;
+    return touches ? d3_array(touches).map(function(touch) {
+      var point = d3_mousePoint(container, touch);
+      point.identifier = touch.identifier;
+      return point;
+    }) : [];
+  };
+  d3.behavior.drag = function() {
+    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_behavior_dragMouseSubject, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_behavior_dragTouchSubject, "touchmove", "touchend");
+    function drag() {
+      this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
+    }
+    function dragstart(id, position, subject, move, end) {
+      return function() {
+        var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject()).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(), position0 = position(parent, dragId);
+        if (origin) {
+          dragOffset = origin.apply(that, arguments);
+          dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
+        } else {
+          dragOffset = [ 0, 0 ];
+        }
+        dispatch({
+          type: "dragstart"
+        });
+        function moved() {
+          var position1 = position(parent, dragId), dx, dy;
+          if (!position1) return;
+          dx = position1[0] - position0[0];
+          dy = position1[1] - position0[1];
+          dragged |= dx | dy;
+          position0 = position1;
+          dispatch({
+            type: "drag",
+            x: position1[0] + dragOffset[0],
+            y: position1[1] + dragOffset[1],
+            dx: dx,
+            dy: dy
+          });
+        }
+        function ended() {
+          if (!position(parent, dragId)) return;
+          dragSubject.on(move + dragName, null).on(end + dragName, null);
+          dragRestore(dragged && d3.event.target === target);
+          dispatch({
+            type: "dragend"
+          });
+        }
+      };
+    }
+    drag.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return drag;
+    };
+    return d3.rebind(drag, event, "on");
+  };
+  function d3_behavior_dragTouchId() {
+    return d3.event.changedTouches[0].identifier;
+  }
+  function d3_behavior_dragTouchSubject() {
+    return d3.event.target;
+  }
+  function d3_behavior_dragMouseSubject() {
+    return d3_window;
+  }
+  var π = Math.PI, τ = 2 * π, halfπ = π / 2, ε = 1e-6, ε2 = ε * ε, d3_radians = π / 180, d3_degrees = 180 / π;
+  function d3_sgn(x) {
+    return x > 0 ? 1 : x < 0 ? -1 : 0;
+  }
+  function d3_cross2d(a, b, c) {
+    return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
+  }
+  function d3_acos(x) {
+    return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
+  }
+  function d3_asin(x) {
+    return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
+  }
+  function d3_sinh(x) {
+    return ((x = Math.exp(x)) - 1 / x) / 2;
+  }
+  function d3_cosh(x) {
+    return ((x = Math.exp(x)) + 1 / x) / 2;
+  }
+  function d3_tanh(x) {
+    return ((x = Math.exp(2 * x)) - 1) / (x + 1);
+  }
+  function d3_haversin(x) {
+    return (x = Math.sin(x / 2)) * x;
+  }
+  var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
+  d3.interpolateZoom = function(p0, p1) {
+    var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2];
+    var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ;
+    function interpolate(t) {
+      var s = t * S;
+      if (dr) {
+        var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
+        return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
+      }
+      return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ];
+    }
+    interpolate.duration = S * 1e3;
+    return interpolate;
+  };
+  d3.behavior.zoom = function() {
+    var view = {
+      x: 0,
+      y: 0,
+      k: 1
+    }, translate0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
+    function zoom(g) {
+      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on(mousemove, mousewheelreset).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
+    }
+    zoom.event = function(g) {
+      g.each(function() {
+        var dispatch = event.of(this, arguments), view1 = view;
+        if (d3_transitionInheritId) {
+          d3.select(this).transition().each("start.zoom", function() {
+            view = this.__chart__ || {
+              x: 0,
+              y: 0,
+              k: 1
+            };
+            zoomstarted(dispatch);
+          }).tween("zoom:zoom", function() {
+            var dx = size[0], dy = size[1], cx = dx / 2, cy = dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
+            return function(t) {
+              var l = i(t), k = dx / l[2];
+              this.__chart__ = view = {
+                x: cx - l[0] * k,
+                y: cy - l[1] * k,
+                k: k
+              };
+              zoomed(dispatch);
+            };
+          }).each("end.zoom", function() {
+            zoomended(dispatch);
+          });
+        } else {
+          this.__chart__ = view;
+          zoomstarted(dispatch);
+          zoomed(dispatch);
+          zoomended(dispatch);
+        }
+      });
+    };
+    zoom.translate = function(_) {
+      if (!arguments.length) return [ view.x, view.y ];
+      view = {
+        x: +_[0],
+        y: +_[1],
+        k: view.k
+      };
+      rescale();
+      return zoom;
+    };
+    zoom.scale = function(_) {
+      if (!arguments.length) return view.k;
+      view = {
+        x: view.x,
+        y: view.y,
+        k: +_
+      };
+      rescale();
+      return zoom;
+    };
+    zoom.scaleExtent = function(_) {
+      if (!arguments.length) return scaleExtent;
+      scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
+      return zoom;
+    };
+    zoom.center = function(_) {
+      if (!arguments.length) return center;
+      center = _ && [ +_[0], +_[1] ];
+      return zoom;
+    };
+    zoom.size = function(_) {
+      if (!arguments.length) return size;
+      size = _ && [ +_[0], +_[1] ];
+      return zoom;
+    };
+    zoom.x = function(z) {
+      if (!arguments.length) return x1;
+      x1 = z;
+      x0 = z.copy();
+      view = {
+        x: 0,
+        y: 0,
+        k: 1
+      };
+      return zoom;
+    };
+    zoom.y = function(z) {
+      if (!arguments.length) return y1;
+      y1 = z;
+      y0 = z.copy();
+      view = {
+        x: 0,
+        y: 0,
+        k: 1
+      };
+      return zoom;
+    };
+    function location(p) {
+      return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
+    }
+    function point(l) {
+      return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
+    }
+    function scaleTo(s) {
+      view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+    }
+    function translateTo(p, l) {
+      l = point(l);
+      view.x += p[0] - l[0];
+      view.y += p[1] - l[1];
+    }
+    function rescale() {
+      if (x1) x1.domain(x0.range().map(function(x) {
+        return (x - view.x) / view.k;
+      }).map(x0.invert));
+      if (y1) y1.domain(y0.range().map(function(y) {
+        return (y - view.y) / view.k;
+      }).map(y0.invert));
+    }
+    function zoomstarted(dispatch) {
+      dispatch({
+        type: "zoomstart"
+      });
+    }
+    function zoomed(dispatch) {
+      rescale();
+      dispatch({
+        type: "zoom",
+        scale: view.k,
+        translate: [ view.x, view.y ]
+      });
+    }
+    function zoomended(dispatch) {
+      dispatch({
+        type: "zoomend"
+      });
+    }
+    function mousedowned() {
+      var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress();
+      d3_selection_interrupt.call(that);
+      zoomstarted(dispatch);
+      function moved() {
+        dragged = 1;
+        translateTo(d3.mouse(that), location0);
+        zoomed(dispatch);
+      }
+      function ended() {
+        subject.on(mousemove, d3_window === that ? mousewheelreset : null).on(mouseup, null);
+        dragRestore(dragged && d3.event.target === target);
+        zoomended(dispatch);
+      }
+    }
+    function touchstarted() {
+      var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, target = d3.select(d3.event.target).on(touchmove, moved).on(touchend, ended), subject = d3.select(that).on(mousedown, null).on(touchstart, started), dragRestore = d3_event_dragSuppress();
+      d3_selection_interrupt.call(that);
+      started();
+      zoomstarted(dispatch);
+      function relocate() {
+        var touches = d3.touches(that);
+        scale0 = view.k;
+        touches.forEach(function(t) {
+          if (t.identifier in locations0) locations0[t.identifier] = location(t);
+        });
+        return touches;
+      }
+      function started() {
+        var changed = d3.event.changedTouches;
+        for (var i = 0, n = changed.length; i < n; ++i) {
+          locations0[changed[i].identifier] = null;
+        }
+        var touches = relocate(), now = Date.now();
+        if (touches.length === 1) {
+          if (now - touchtime < 500) {
+            var p = touches[0], l = locations0[p.identifier];
+            scaleTo(view.k * 2);
+            translateTo(p, l);
+            d3_eventPreventDefault();
+            zoomed(dispatch);
+          }
+          touchtime = now;
+        } else if (touches.length > 1) {
+          var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
+          distance0 = dx * dx + dy * dy;
+        }
+      }
+      function moved() {
+        var touches = d3.touches(that), p0, l0, p1, l1;
+        for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
+          p1 = touches[i];
+          if (l1 = locations0[p1.identifier]) {
+            if (l0) break;
+            p0 = p1, l0 = l1;
+          }
+        }
+        if (l1) {
+          var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
+          p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+          l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+          scaleTo(scale1 * scale0);
+        }
+        touchtime = null;
+        translateTo(p0, l0);
+        zoomed(dispatch);
+      }
+      function ended() {
+        if (d3.event.touches.length) {
+          var changed = d3.event.changedTouches;
+          for (var i = 0, n = changed.length; i < n; ++i) {
+            delete locations0[changed[i].identifier];
+          }
+          for (var identifier in locations0) {
+            return void relocate();
+          }
+        }
+        target.on(zoomName, null);
+        subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
+        dragRestore();
+        zoomended(dispatch);
+      }
+    }
+    function mousewheeled() {
+      var dispatch = event.of(this, arguments);
+      if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
+      zoomstarted(dispatch);
+      mousewheelTimer = setTimeout(function() {
+        mousewheelTimer = null;
+        zoomended(dispatch);
+      }, 50);
+      d3_eventPreventDefault();
+      var point = center || d3.mouse(this);
+      if (!translate0) translate0 = location(point);
+      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
+      translateTo(point, translate0);
+      zoomed(dispatch);
+    }
+    function mousewheelreset() {
+      translate0 = null;
+    }
+    function dblclicked() {
+      var dispatch = event.of(this, arguments), p = d3.mouse(this), l = location(p), k = Math.log(view.k) / Math.LN2;
+      zoomstarted(dispatch);
+      scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
+      translateTo(p, l);
+      zoomed(dispatch);
+      zoomended(dispatch);
+    }
+    return d3.rebind(zoom, event, "on");
+  };
+  var d3_behavior_zoomInfinity = [ 0, Infinity ];
+  var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+    return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
+  }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+    return d3.event.wheelDelta;
+  }, "mousewheel") : (d3_behavior_zoomDelta = function() {
+    return -d3.event.detail;
+  }, "MozMousePixelScroll");
+  function d3_Color() {}
+  d3_Color.prototype.toString = function() {
+    return this.rgb() + "";
+  };
+  d3.hsl = function(h, s, l) {
+    return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l);
+  };
+  function d3_hsl(h, s, l) {
+    return new d3_Hsl(h, s, l);
+  }
+  function d3_Hsl(h, s, l) {
+    this.h = h;
+    this.s = s;
+    this.l = l;
+  }
+  var d3_hslPrototype = d3_Hsl.prototype = new d3_Color();
+  d3_hslPrototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, this.l / k);
+  };
+  d3_hslPrototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_hsl(this.h, this.s, k * this.l);
+  };
+  d3_hslPrototype.rgb = function() {
+    return d3_hsl_rgb(this.h, this.s, this.l);
+  };
+  function d3_hsl_rgb(h, s, l) {
+    var m1, m2;
+    h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
+    s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
+    l = l < 0 ? 0 : l > 1 ? 1 : l;
+    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+    m1 = 2 * l - m2;
+    function v(h) {
+      if (h > 360) h -= 360; else if (h < 0) h += 360;
+      if (h < 60) return m1 + (m2 - m1) * h / 60;
+      if (h < 180) return m2;
+      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+      return m1;
+    }
+    function vv(h) {
+      return Math.round(v(h) * 255);
+    }
+    return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+  }
+  d3.hcl = function(h, c, l) {
+    return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l);
+  };
+  function d3_hcl(h, c, l) {
+    return new d3_Hcl(h, c, l);
+  }
+  function d3_Hcl(h, c, l) {
+    this.h = h;
+    this.c = c;
+    this.l = l;
+  }
+  var d3_hclPrototype = d3_Hcl.prototype = new d3_Color();
+  d3_hclPrototype.brighter = function(k) {
+    return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
+  };
+  d3_hclPrototype.darker = function(k) {
+    return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
+  };
+  d3_hclPrototype.rgb = function() {
+    return d3_hcl_lab(this.h, this.c, this.l).rgb();
+  };
+  function d3_hcl_lab(h, c, l) {
+    if (isNaN(h)) h = 0;
+    if (isNaN(c)) c = 0;
+    return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
+  }
+  d3.lab = function(l, a, b) {
+    return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b);
+  };
+  function d3_lab(l, a, b) {
+    return new d3_Lab(l, a, b);
+  }
+  function d3_Lab(l, a, b) {
+    this.l = l;
+    this.a = a;
+    this.b = b;
+  }
+  var d3_lab_K = 18;
+  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+  var d3_labPrototype = d3_Lab.prototype = new d3_Color();
+  d3_labPrototype.brighter = function(k) {
+    return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_labPrototype.darker = function(k) {
+    return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+  };
+  d3_labPrototype.rgb = function() {
+    return d3_lab_rgb(this.l, this.a, this.b);
+  };
+  function d3_lab_rgb(l, a, b) {
+    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+    x = d3_lab_xyz(x) * d3_lab_X;
+    y = d3_lab_xyz(y) * d3_lab_Y;
+    z = d3_lab_xyz(z) * d3_lab_Z;
+    return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+  }
+  function d3_lab_hcl(l, a, b) {
+    return l > 0 ? d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : d3_hcl(NaN, NaN, l);
+  }
+  function d3_lab_xyz(x) {
+    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+  }
+  function d3_xyz_lab(x) {
+    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+  }
+  function d3_xyz_rgb(r) {
+    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+  }
+  d3.rgb = function(r, g, b) {
+    return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b);
+  };
+  function d3_rgbNumber(value) {
+    return d3_rgb(value >> 16, value >> 8 & 255, value & 255);
+  }
+  function d3_rgbString(value) {
+    return d3_rgbNumber(value) + "";
+  }
+  function d3_rgb(r, g, b) {
+    return new d3_Rgb(r, g, b);
+  }
+  function d3_Rgb(r, g, b) {
+    this.r = r;
+    this.g = g;
+    this.b = b;
+  }
+  var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color();
+  d3_rgbPrototype.brighter = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    var r = this.r, g = this.g, b = this.b, i = 30;
+    if (!r && !g && !b) return d3_rgb(i, i, i);
+    if (r && r < i) r = i;
+    if (g && g < i) g = i;
+    if (b && b < i) b = i;
+    return d3_rgb(Math.min(255, ~~(r / k)), Math.min(255, ~~(g / k)), Math.min(255, ~~(b / k)));
+  };
+  d3_rgbPrototype.darker = function(k) {
+    k = Math.pow(.7, arguments.length ? k : 1);
+    return d3_rgb(~~(k * this.r), ~~(k * this.g), ~~(k * this.b));
+  };
+  d3_rgbPrototype.hsl = function() {
+    return d3_rgb_hsl(this.r, this.g, this.b);
+  };
+  d3_rgbPrototype.toString = function() {
+    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+  };
+  function d3_rgb_hex(v) {
+    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+  }
+  function d3_rgb_parse(format, rgb, hsl) {
+    var r = 0, g = 0, b = 0, m1, m2, color;
+    m1 = /([a-z]+)\((.*)\)/i.exec(format);
+    if (m1) {
+      m2 = m1[2].split(",");
+      switch (m1[1]) {
+       case "hsl":
+        {
+          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
+        }
+
+       case "rgb":
+        {
+          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
+        }
+      }
+    }
+    if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b);
+    if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.substring(1), 16))) {
+      if (format.length === 4) {
+        r = (color & 3840) >> 4;
+        r = r >> 4 | r;
+        g = color & 240;
+        g = g >> 4 | g;
+        b = color & 15;
+        b = b << 4 | b;
+      } else if (format.length === 7) {
+        r = (color & 16711680) >> 16;
+        g = (color & 65280) >> 8;
+        b = color & 255;
+      }
+    }
+    return rgb(r, g, b);
+  }
+  function d3_rgb_hsl(r, g, b) {
+    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
+    if (d) {
+      s = l < .5 ? d / (max + min) : d / (2 - max - min);
+      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
+      h *= 60;
+    } else {
+      h = NaN;
+      s = l > 0 && l < 1 ? 0 : h;
+    }
+    return d3_hsl(h, s, l);
+  }
+  function d3_rgb_lab(r, g, b) {
+    r = d3_rgb_xyz(r);
+    g = d3_rgb_xyz(g);
+    b = d3_rgb_xyz(b);
+    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+  }
+  function d3_rgb_xyz(r) {
+    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+  }
+  function d3_rgb_parseNumber(c) {
+    var f = parseFloat(c);
+    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+  }
+  var d3_rgb_names = d3.map({
+    aliceblue: 15792383,
+    antiquewhite: 16444375,
+    aqua: 65535,
+    aquamarine: 8388564,
+    azure: 15794175,
+    beige: 16119260,
+    bisque: 16770244,
+    black: 0,
+    blanchedalmond: 16772045,
+    blue: 255,
+    blueviolet: 9055202,
+    brown: 10824234,
+    burlywood: 14596231,
+    cadetblue: 6266528,
+    chartreuse: 8388352,
+    chocolate: 13789470,
+    coral: 16744272,
+    cornflowerblue: 6591981,
+    cornsilk: 16775388,
+    crimson: 14423100,
+    cyan: 65535,
+    darkblue: 139,
+    darkcyan: 35723,
+    darkgoldenrod: 12092939,
+    darkgray: 11119017,
+    darkgreen: 25600,
+    darkgrey: 11119017,
+    darkkhaki: 12433259,
+    darkmagenta: 9109643,
+    darkolivegreen: 5597999,
+    darkorange: 16747520,
+    darkorchid: 10040012,
+    darkred: 9109504,
+    darksalmon: 15308410,
+    darkseagreen: 9419919,
+    darkslateblue: 4734347,
+    darkslategray: 3100495,
+    darkslategrey: 3100495,
+    darkturquoise: 52945,
+    darkviolet: 9699539,
+    deeppink: 16716947,
+    deepskyblue: 49151,
+    dimgray: 6908265,
+    dimgrey: 6908265,
+    dodgerblue: 2003199,
+    firebrick: 11674146,
+    floralwhite: 16775920,
+    forestgreen: 2263842,
+    fuchsia: 16711935,
+    gainsboro: 14474460,
+    ghostwhite: 16316671,
+    gold: 16766720,
+    goldenrod: 14329120,
+    gray: 8421504,
+    green: 32768,
+    greenyellow: 11403055,
+    grey: 8421504,
+    honeydew: 15794160,
+    hotpink: 16738740,
+    indianred: 13458524,
+    indigo: 4915330,
+    ivory: 16777200,
+    khaki: 15787660,
+    lavender: 15132410,
+    lavenderblush: 16773365,
+    lawngreen: 8190976,
+    lemonchiffon: 16775885,
+    lightblue: 11393254,
+    lightcoral: 15761536,
+    lightcyan: 14745599,
+    lightgoldenrodyellow: 16448210,
+    lightgray: 13882323,
+    lightgreen: 9498256,
+    lightgrey: 13882323,
+    lightpink: 16758465,
+    lightsalmon: 16752762,
+    lightseagreen: 2142890,
+    lightskyblue: 8900346,
+    lightslategray: 7833753,
+    lightslategrey: 7833753,
+    lightsteelblue: 11584734,
+    lightyellow: 16777184,
+    lime: 65280,
+    limegreen: 3329330,
+    linen: 16445670,
+    magenta: 16711935,
+    maroon: 8388608,
+    mediumaquamarine: 6737322,
+    mediumblue: 205,
+    mediumorchid: 12211667,
+    mediumpurple: 9662683,
+    mediumseagreen: 3978097,
+    mediumslateblue: 8087790,
+    mediumspringgreen: 64154,
+    mediumturquoise: 4772300,
+    mediumvioletred: 13047173,
+    midnightblue: 1644912,
+    mintcream: 16121850,
+    mistyrose: 16770273,
+    moccasin: 16770229,
+    navajowhite: 16768685,
+    navy: 128,
+    oldlace: 16643558,
+    olive: 8421376,
+    olivedrab: 7048739,
+    orange: 16753920,
+    orangered: 16729344,
+    orchid: 14315734,
+    palegoldenrod: 15657130,
+    palegreen: 10025880,
+    paleturquoise: 11529966,
+    palevioletred: 14381203,
+    papayawhip: 16773077,
+    peachpuff: 16767673,
+    peru: 13468991,
+    pink: 16761035,
+    plum: 14524637,
+    powderblue: 11591910,
+    purple: 8388736,
+    red: 16711680,
+    rosybrown: 12357519,
+    royalblue: 4286945,
+    saddlebrown: 9127187,
+    salmon: 16416882,
+    sandybrown: 16032864,
+    seagreen: 3050327,
+    seashell: 16774638,
+    sienna: 10506797,
+    silver: 12632256,
+    skyblue: 8900331,
+    slateblue: 6970061,
+    slategray: 7372944,
+    slategrey: 7372944,
+    snow: 16775930,
+    springgreen: 65407,
+    steelblue: 4620980,
+    tan: 13808780,
+    teal: 32896,
+    thistle: 14204888,
+    tomato: 16737095,
+    turquoise: 4251856,
+    violet: 15631086,
+    wheat: 16113331,
+    white: 16777215,
+    whitesmoke: 16119285,
+    yellow: 16776960,
+    yellowgreen: 10145074
+  });
+  d3_rgb_names.forEach(function(key, value) {
+    d3_rgb_names.set(key, d3_rgbNumber(value));
+  });
+  function d3_functor(v) {
+    return typeof v === "function" ? v : function() {
+      return v;
+    };
+  }
+  d3.functor = d3_functor;
+  function d3_identity(d) {
+    return d;
+  }
+  d3.xhr = d3_xhrType(d3_identity);
+  function d3_xhrType(response) {
+    return function(url, mimeType, callback) {
+      if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
+      mimeType = null;
+      return d3_xhr(url, mimeType, response, callback);
+    };
+  }
+  function d3_xhr(url, mimeType, response, callback) {
+    var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
+    if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
+    "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
+      request.readyState > 3 && respond();
+    };
+    function respond() {
+      var status = request.status, result;
+      if (!status && request.responseText || status >= 200 && status < 300 || status === 304) {
+        try {
+          result = response.call(xhr, request);
+        } catch (e) {
+          dispatch.error.call(xhr, e);
+          return;
+        }
+        dispatch.load.call(xhr, result);
+      } else {
+        dispatch.error.call(xhr, request);
+      }
+    }
+    request.onprogress = function(event) {
+      var o = d3.event;
+      d3.event = event;
+      try {
+        dispatch.progress.call(xhr, request);
+      } finally {
+        d3.event = o;
+      }
+    };
+    xhr.header = function(name, value) {
+      name = (name + "").toLowerCase();
+      if (arguments.length < 2) return headers[name];
+      if (value == null) delete headers[name]; else headers[name] = value + "";
+      return xhr;
+    };
+    xhr.mimeType = function(value) {
+      if (!arguments.length) return mimeType;
+      mimeType = value == null ? null : value + "";
+      return xhr;
+    };
+    xhr.responseType = function(value) {
+      if (!arguments.length) return responseType;
+      responseType = value;
+      return xhr;
+    };
+    xhr.response = function(value) {
+      response = value;
+      return xhr;
+    };
+    [ "get", "post" ].forEach(function(method) {
+      xhr[method] = function() {
+        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
+      };
+    });
+    xhr.send = function(method, data, callback) {
+      if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
+      request.open(method, url, true);
+      if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
+      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
+      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
+      if (responseType != null) request.responseType = responseType;
+      if (callback != null) xhr.on("error", callback).on("load", function(request) {
+        callback(null, request);
+      });
+      dispatch.beforesend.call(xhr, request);
+      request.send(data == null ? null : data);
+      return xhr;
+    };
+    xhr.abort = function() {
+      request.abort();
+      return xhr;
+    };
+    d3.rebind(xhr, dispatch, "on");
+    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
+  }
+  function d3_xhr_fixCallback(callback) {
+    return callback.length === 1 ? function(error, request) {
+      callback(error == null ? request : null);
+    } : callback;
+  }
+  d3.dsv = function(delimiter, mimeType) {
+    var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+    function dsv(url, row, callback) {
+      if (arguments.length < 3) callback = row, row = null;
+      var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
+      xhr.row = function(_) {
+        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
+      };
+      return xhr;
+    }
+    function response(request) {
+      return dsv.parse(request.responseText);
+    }
+    function typedResponse(f) {
+      return function(request) {
+        return dsv.parse(request.responseText, f);
+      };
+    }
+    dsv.parse = function(text, f) {
+      var o;
+      return dsv.parseRows(text, function(row, i) {
+        if (o) return o(row, i - 1);
+        var a = new Function("d", "return {" + row.map(function(name, i) {
+          return JSON.stringify(name) + ": d[" + i + "]";
+        }).join(",") + "}");
+        o = f ? function(row, i) {
+          return f(a(row), i);
+        } : a;
+      });
+    };
+    dsv.parseRows = function(text, f) {
+      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
+      function token() {
+        if (I >= N) return EOF;
+        if (eol) return eol = false, EOL;
+        var j = I;
+        if (text.charCodeAt(j) === 34) {
+          var i = j;
+          while (i++ < N) {
+            if (text.charCodeAt(i) === 34) {
+              if (text.charCodeAt(i + 1) !== 34) break;
+              ++i;
+            }
+          }
+          I = i + 2;
+          var c = text.charCodeAt(i + 1);
+          if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(i + 2) === 10) ++I;
+          } else if (c === 10) {
+            eol = true;
+          }
+          return text.substring(j + 1, i).replace(/""/g, '"');
+        }
+        while (I < N) {
+          var c = text.charCodeAt(I++), k = 1;
+          if (c === 10) eol = true; else if (c === 13) {
+            eol = true;
+            if (text.charCodeAt(I) === 10) ++I, ++k;
+          } else if (c !== delimiterCode) continue;
+          return text.substring(j, I - k);
+        }
+        return text.substring(j);
+      }
+      while ((t = token()) !== EOF) {
+        var a = [];
+        while (t !== EOL && t !== EOF) {
+          a.push(t);
+          t = token();
+        }
+        if (f && !(a = f(a, n++))) continue;
+        rows.push(a);
+      }
+      return rows;
+    };
+    dsv.format = function(rows) {
+      if (Array.isArray(rows[0])) return dsv.formatRows(rows);
+      var fieldSet = new d3_Set(), fields = [];
+      rows.forEach(function(row) {
+        for (var field in row) {
+          if (!fieldSet.has(field)) {
+            fields.push(fieldSet.add(field));
+          }
+        }
+      });
+      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
+        return fields.map(function(field) {
+          return formatValue(row[field]);
+        }).join(delimiter);
+      })).join("\n");
+    };
+    dsv.formatRows = function(rows) {
+      return rows.map(formatRow).join("\n");
+    };
+    function formatRow(row) {
+      return row.map(formatValue).join(delimiter);
+    }
+    function formatValue(text) {
+      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+    }
+    return dsv;
+  };
+  d3.csv = d3.dsv(",", "text/csv");
+  d3.tsv = d3.dsv("	", "text/tab-separated-values");
+  d3.touch = function(container, touches, identifier) {
+    if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
+    if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
+      if ((touch = touches[i]).identifier === identifier) {
+        return d3_mousePoint(container, touch);
+      }
+    }
+  };
+  var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) {
+    setTimeout(callback, 17);
+  };
+  d3.timer = function(callback, delay, then) {
+    var n = arguments.length;
+    if (n < 2) delay = 0;
+    if (n < 3) then = Date.now();
+    var time = then + delay, timer = {
+      c: callback,
+      t: time,
+      f: false,
+      n: null
+    };
+    if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
+    d3_timer_queueTail = timer;
+    if (!d3_timer_interval) {
+      d3_timer_timeout = clearTimeout(d3_timer_timeout);
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  };
+  function d3_timer_step() {
+    var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
+    if (delay > 24) {
+      if (isFinite(delay)) {
+        clearTimeout(d3_timer_timeout);
+        d3_timer_timeout = setTimeout(d3_timer_step, delay);
+      }
+      d3_timer_interval = 0;
+    } else {
+      d3_timer_interval = 1;
+      d3_timer_frame(d3_timer_step);
+    }
+  }
+  d3.timer.flush = function() {
+    d3_timer_mark();
+    d3_timer_sweep();
+  };
+  function d3_timer_mark() {
+    var now = Date.now();
+    d3_timer_active = d3_timer_queueHead;
+    while (d3_timer_active) {
+      if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t);
+      d3_timer_active = d3_timer_active.n;
+    }
+    return now;
+  }
+  function d3_timer_sweep() {
+    var t0, t1 = d3_timer_queueHead, time = Infinity;
+    while (t1) {
+      if (t1.f) {
+        t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
+      } else {
+        if (t1.t < time) time = t1.t;
+        t1 = (t0 = t1).n;
+      }
+    }
+    d3_timer_queueTail = t0;
+    return time;
+  }
+  function d3_format_precision(x, p) {
+    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
+  }
+  d3.round = function(x, n) {
+    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+  };
+  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+  d3.formatPrefix = function(value, precision) {
+    var i = 0;
+    if (value) {
+      if (value < 0) value *= -1;
+      if (precision) value = d3.round(value, d3_format_precision(value, precision));
+      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+      i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
+    }
+    return d3_formatPrefixes[8 + i / 3];
+  };
+  function d3_formatPrefix(d, i) {
+    var k = Math.pow(10, abs(8 - i) * 3);
+    return {
+      scale: i > 8 ? function(d) {
+        return d / k;
+      } : function(d) {
+        return d * k;
+      },
+      symbol: d
+    };
+  }
+  function d3_locale_numberFormat(locale) {
+    var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping ? function(value) {
+      var i = value.length, t = [], j = 0, g = locale_grouping[0];
+      while (i > 0 && g > 0) {
+        t.push(value.substring(i -= g, i + g));
+        g = locale_grouping[j = (j + 1) % locale_grouping.length];
+      }
+      return t.reverse().join(locale_thousands);
+    } : d3_identity;
+    return function(specifier) {
+      var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false;
+      if (precision) precision = +precision.substring(1);
+      if (zfill || fill === "0" && align === "=") {
+        zfill = fill = "0";
+        align = "=";
+        if (comma) width -= Math.floor((width - 1) / 4);
+      }
+      switch (type) {
+       case "n":
+        comma = true;
+        type = "g";
+        break;
+
+       case "%":
+        scale = 100;
+        suffix = "%";
+        type = "f";
+        break;
+
+       case "p":
+        scale = 100;
+        suffix = "%";
+        type = "r";
+        break;
+
+       case "b":
+       case "o":
+       case "x":
+       case "X":
+        if (symbol === "#") prefix = "0" + type.toLowerCase();
+
+       case "c":
+       case "d":
+        integer = true;
+        precision = 0;
+        break;
+
+       case "s":
+        scale = -1;
+        type = "r";
+        break;
+      }
+      if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
+      if (type == "r" && !precision) type = "g";
+      if (precision != null) {
+        if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
+      }
+      type = d3_format_types.get(type) || d3_format_typeDefault;
+      var zcomma = zfill && comma;
+      return function(value) {
+        var fullSuffix = suffix;
+        if (integer && value % 1) return "";
+        var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign;
+        if (scale < 0) {
+          var unit = d3.formatPrefix(value, precision);
+          value = unit.scale(value);
+          fullSuffix = unit.symbol + suffix;
+        } else {
+          value *= scale;
+        }
+        value = type(value, precision);
+        var i = value.lastIndexOf("."), before = i < 0 ? value : value.substring(0, i), after = i < 0 ? "" : locale_decimal + value.substring(i + 1);
+        if (!zfill && comma) before = formatGroup(before);
+        var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
+        if (zcomma) before = formatGroup(padding + before);
+        negative += prefix;
+        value = before + after;
+        return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
+      };
+    };
+  }
+  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
+  var d3_format_types = d3.map({
+    b: function(x) {
+      return x.toString(2);
+    },
+    c: function(x) {
+      return String.fromCharCode(x);
+    },
+    o: function(x) {
+      return x.toString(8);
+    },
+    x: function(x) {
+      return x.toString(16);
+    },
+    X: function(x) {
+      return x.toString(16).toUpperCase();
+    },
+    g: function(x, p) {
+      return x.toPrecision(p);
+    },
+    e: function(x, p) {
+      return x.toExponential(p);
+    },
+    f: function(x, p) {
+      return x.toFixed(p);
+    },
+    r: function(x, p) {
+      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
+    }
+  });
+  function d3_format_typeDefault(x) {
+    return x + "";
+  }
+  var d3_time = d3.time = {}, d3_date = Date;
+  function d3_date_utc() {
+    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+  }
+  d3_date_utc.prototype = {
+    getDate: function() {
+      return this._.getUTCDate();
+    },
+    getDay: function() {
+      return this._.getUTCDay();
+    },
+    getFullYear: function() {
+      return this._.getUTCFullYear();
+    },
+    getHours: function() {
+      return this._.getUTCHours();
+    },
+    getMilliseconds: function() {
+      return this._.getUTCMilliseconds();
+    },
+    getMinutes: function() {
+      return this._.getUTCMinutes();
+    },
+    getMonth: function() {
+      return this._.getUTCMonth();
+    },
+    getSeconds: function() {
+      return this._.getUTCSeconds();
+    },
+    getTime: function() {
+      return this._.getTime();
+    },
+    getTimezoneOffset: function() {
+      return 0;
+    },
+    valueOf: function() {
+      return this._.valueOf();
+    },
+    setDate: function() {
+      d3_time_prototype.setUTCDate.apply(this._, arguments);
+    },
+    setDay: function() {
+      d3_time_prototype.setUTCDay.apply(this._, arguments);
+    },
+    setFullYear: function() {
+      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+    },
+    setHours: function() {
+      d3_time_prototype.setUTCHours.apply(this._, arguments);
+    },
+    setMilliseconds: function() {
+      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+    },
+    setMinutes: function() {
+      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+    },
+    setMonth: function() {
+      d3_time_prototype.setUTCMonth.apply(this._, arguments);
+    },
+    setSeconds: function() {
+      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+    },
+    setTime: function() {
+      d3_time_prototype.setTime.apply(this._, arguments);
+    }
+  };
+  var d3_time_prototype = Date.prototype;
+  function d3_time_interval(local, step, number) {
+    function round(date) {
+      var d0 = local(date), d1 = offset(d0, 1);
+      return date - d0 < d1 - date ? d0 : d1;
+    }
+    function ceil(date) {
+      step(date = local(new d3_date(date - 1)), 1);
+      return date;
+    }
+    function offset(date, k) {
+      step(date = new d3_date(+date), k);
+      return date;
+    }
+    function range(t0, t1, dt) {
+      var time = ceil(t0), times = [];
+      if (dt > 1) {
+        while (time < t1) {
+          if (!(number(time) % dt)) times.push(new Date(+time));
+          step(time, 1);
+        }
+      } else {
+        while (time < t1) times.push(new Date(+time)), step(time, 1);
+      }
+      return times;
+    }
+    function range_utc(t0, t1, dt) {
+      try {
+        d3_date = d3_date_utc;
+        var utc = new d3_date_utc();
+        utc._ = t0;
+        return range(utc, t1, dt);
+      } finally {
+        d3_date = Date;
+      }
+    }
+    local.floor = local;
+    local.round = round;
+    local.ceil = ceil;
+    local.offset = offset;
+    local.range = range;
+    var utc = local.utc = d3_time_interval_utc(local);
+    utc.floor = utc;
+    utc.round = d3_time_interval_utc(round);
+    utc.ceil = d3_time_interval_utc(ceil);
+    utc.offset = d3_time_interval_utc(offset);
+    utc.range = range_utc;
+    return local;
+  }
+  function d3_time_interval_utc(method) {
+    return function(date, k) {
+      try {
+        d3_date = d3_date_utc;
+        var utc = new d3_date_utc();
+        utc._ = date;
+        return method(utc, k)._;
+      } finally {
+        d3_date = Date;
+      }
+    };
+  }
+  d3_time.year = d3_time_interval(function(date) {
+    date = d3_time.day(date);
+    date.setMonth(0, 1);
+    return date;
+  }, function(date, offset) {
+    date.setFullYear(date.getFullYear() + offset);
+  }, function(date) {
+    return date.getFullYear();
+  });
+  d3_time.years = d3_time.year.range;
+  d3_time.years.utc = d3_time.year.utc.range;
+  d3_time.day = d3_time_interval(function(date) {
+    var day = new d3_date(2e3, 0);
+    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+    return day;
+  }, function(date, offset) {
+    date.setDate(date.getDate() + offset);
+  }, function(date) {
+    return date.getDate() - 1;
+  });
+  d3_time.days = d3_time.day.range;
+  d3_time.days.utc = d3_time.day.utc.range;
+  d3_time.dayOfYear = function(date) {
+    var year = d3_time.year(date);
+    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
+  };
+  [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
+    i = 7 - i;
+    var interval = d3_time[day] = d3_time_interval(function(date) {
+      (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+      return date;
+    }, function(date, offset) {
+      date.setDate(date.getDate() + Math.floor(offset) * 7);
+    }, function(date) {
+      var day = d3_time.year(date).getDay();
+      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+    });
+    d3_time[day + "s"] = interval.range;
+    d3_time[day + "s"].utc = interval.utc.range;
+    d3_time[day + "OfYear"] = function(date) {
+      var day = d3_time.year(date).getDay();
+      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
+    };
+  });
+  d3_time.week = d3_time.sunday;
+  d3_time.weeks = d3_time.sunday.range;
+  d3_time.weeks.utc = d3_time.sunday.utc.range;
+  d3_time.weekOfYear = d3_time.sundayOfYear;
+  function d3_locale_timeFormat(locale) {
+    var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
+    function d3_time_format(template) {
+      var n = template.length;
+      function format(date) {
+        var string = [], i = -1, j = 0, c, p, f;
+        while (++i < n) {
+          if (template.charCodeAt(i) === 37) {
+            string.push(template.substring(j, i));
+            if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
+            if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
+            string.push(c);
+            j = i + 1;
+          }
+        }
+        string.push(template.substring(j, i));
+        return string.join("");
+      }
+      format.parse = function(string) {
+        var d = {
+          y: 1900,
+          m: 0,
+          d: 1,
+          H: 0,
+          M: 0,
+          S: 0,
+          L: 0,
+          Z: null
+        }, i = d3_time_parse(d, template, string, 0);
+        if (i != string.length) return null;
+        if ("p" in d) d.H = d.H % 12 + d.p * 12;
+        var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
+        if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) {
+          date.setFullYear(d.y, 0, 1);
+          date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
+        } else date.setFullYear(d.y, d.m, d.d);
+        date.setHours(d.H + Math.floor(d.Z / 100), d.M + d.Z % 100, d.S, d.L);
+        return localZ ? date._ : date;
+      };
+      format.toString = function() {
+        return template;
+      };
+      return format;
+    }
+    function d3_time_parse(date, template, string, j) {
+      var c, p, t, i = 0, n = template.length, m = string.length;
+      while (i < n) {
+        if (j >= m) return -1;
+        c = template.charCodeAt(i++);
+        if (c === 37) {
+          t = template.charAt(i++);
+          p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
+          if (!p || (j = p(date, string, j)) < 0) return -1;
+        } else if (c != string.charCodeAt(j++)) {
+          return -1;
+        }
+      }
+      return j;
+    }
+    d3_time_format.utc = function(template) {
+      var local = d3_time_format(template);
+      function format(date) {
+        try {
+          d3_date = d3_date_utc;
+          var utc = new d3_date();
+          utc._ = date;
+          return local(utc);
+        } finally {
+          d3_date = Date;
+        }
+      }
+      format.parse = function(string) {
+        try {
+          d3_date = d3_date_utc;
+          var date = local.parse(string);
+          return date && date._;
+        } finally {
+          d3_date = Date;
+        }
+      };
+      format.toString = local.toString;
+      return format;
+    };
+    d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
+    var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
+    locale_periods.forEach(function(p, i) {
+      d3_time_periodLookup.set(p.toLowerCase(), i);
+    });
+    var d3_time_formats = {
+      a: function(d) {
+        return locale_shortDays[d.getDay()];
+      },
+      A: function(d) {
+        return locale_days[d.getDay()];
+      },
+      b: function(d) {
+        return locale_shortMonths[d.getMonth()];
+      },
+      B: function(d) {
+        return locale_months[d.getMonth()];
+      },
+      c: d3_time_format(locale_dateTime),
+      d: function(d, p) {
+        return d3_time_formatPad(d.getDate(), p, 2);
+      },
+      e: function(d, p) {
+        return d3_time_formatPad(d.getDate(), p, 2);
+      },
+      H: function(d, p) {
+        return d3_time_formatPad(d.getHours(), p, 2);
+      },
+      I: function(d, p) {
+        return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
+      },
+      j: function(d, p) {
+        return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
+      },
+      L: function(d, p) {
+        return d3_time_formatPad(d.getMilliseconds(), p, 3);
+      },
+      m: function(d, p) {
+        return d3_time_formatPad(d.getMonth() + 1, p, 2);
+      },
+      M: function(d, p) {
+        return d3_time_formatPad(d.getMinutes(), p, 2);
+      },
+      p: function(d) {
+        return locale_periods[+(d.getHours() >= 12)];
+      },
+      S: function(d, p) {
+        return d3_time_formatPad(d.getSeconds(), p, 2);
+      },
+      U: function(d, p) {
+        return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
+      },
+      w: function(d) {
+        return d.getDay();
+      },
+      W: function(d, p) {
+        return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
+      },
+      x: d3_time_format(locale_date),
+      X: d3_time_format(locale_time),
+      y: function(d, p) {
+        return d3_time_formatPad(d.getFullYear() % 100, p, 2);
+      },
+      Y: function(d, p) {
+        return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
+      },
+      Z: d3_time_zone,
+      "%": function() {
+        return "%";
+      }
+    };
+    var d3_time_parsers = {
+      a: d3_time_parseWeekdayAbbrev,
+      A: d3_time_parseWeekday,
+      b: d3_time_parseMonthAbbrev,
+      B: d3_time_parseMonth,
+      c: d3_time_parseLocaleFull,
+      d: d3_time_parseDay,
+      e: d3_time_parseDay,
+      H: d3_time_parseHour24,
+      I: d3_time_parseHour24,
+      j: d3_time_parseDayOfYear,
+      L: d3_time_parseMilliseconds,
+      m: d3_time_parseMonthNumber,
+      M: d3_time_parseMinutes,
+      p: d3_time_parseAmPm,
+      S: d3_time_parseSeconds,
+      U: d3_time_parseWeekNumberSunday,
+      w: d3_time_parseWeekdayNumber,
+      W: d3_time_parseWeekNumberMonday,
+      x: d3_time_parseLocaleDate,
+      X: d3_time_parseLocaleTime,
+      y: d3_time_parseYear,
+      Y: d3_time_parseFullYear,
+      Z: d3_time_parseZone,
+      "%": d3_time_parseLiteralPercent
+    };
+    function d3_time_parseWeekdayAbbrev(date, string, i) {
+      d3_time_dayAbbrevRe.lastIndex = 0;
+      var n = d3_time_dayAbbrevRe.exec(string.substring(i));
+      return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+    }
+    function d3_time_parseWeekday(date, string, i) {
+      d3_time_dayRe.lastIndex = 0;
+      var n = d3_time_dayRe.exec(string.substring(i));
+      return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+    }
+    function d3_time_parseMonthAbbrev(date, string, i) {
+      d3_time_monthAbbrevRe.lastIndex = 0;
+      var n = d3_time_monthAbbrevRe.exec(string.substring(i));
+      return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+    }
+    function d3_time_parseMonth(date, string, i) {
+      d3_time_monthRe.lastIndex = 0;
+      var n = d3_time_monthRe.exec(string.substring(i));
+      return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+    }
+    function d3_time_parseLocaleFull(date, string, i) {
+      return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+    }
+    function d3_time_parseLocaleDate(date, string, i) {
+      return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+    }
+    function d3_time_parseLocaleTime(date, string, i) {
+      return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+    }
+    function d3_time_parseAmPm(date, string, i) {
+      var n = d3_time_periodLookup.get(string.substring(i, i += 2).toLowerCase());
+      return n == null ? -1 : (date.p = n, i);
+    }
+    return d3_time_format;
+  }
+  var d3_time_formatPads = {
+    "-": "",
+    _: " ",
+    "0": "0"
+  }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
+  function d3_time_formatPad(value, fill, width) {
+    var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
+    return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
+  }
+  function d3_time_formatRe(names) {
+    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+  }
+  function d3_time_formatLookup(names) {
+    var map = new d3_Map(), i = -1, n = names.length;
+    while (++i < n) map.set(names[i].toLowerCase(), i);
+    return map;
+  }
+  function d3_time_parseWeekdayNumber(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 1));
+    return n ? (date.w = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseWeekNumberSunday(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i));
+    return n ? (date.U = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseWeekNumberMonday(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i));
+    return n ? (date.W = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseFullYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 4));
+    return n ? (date.y = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
+  }
+  function d3_time_parseZone(date, string, i) {
+    return /^[+-]\d{4}$/.test(string = string.substring(i, i + 5)) ? (date.Z = +string, 
+    i + 5) : -1;
+  }
+  function d3_time_expandYear(d) {
+    return d + (d > 68 ? 1900 : 2e3);
+  }
+  function d3_time_parseMonthNumber(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
+  }
+  function d3_time_parseDay(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.d = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseDayOfYear(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 3));
+    return n ? (date.j = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseHour24(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.H = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseMinutes(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.M = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseSeconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+    return n ? (date.S = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_parseMilliseconds(date, string, i) {
+    d3_time_numberRe.lastIndex = 0;
+    var n = d3_time_numberRe.exec(string.substring(i, i + 3));
+    return n ? (date.L = +n[0], i + n[0].length) : -1;
+  }
+  function d3_time_zone(d) {
+    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(abs(z) / 60), zm = abs(z) % 60;
+    return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
+  }
+  function d3_time_parseLiteralPercent(date, string, i) {
+    d3_time_percentRe.lastIndex = 0;
+    var n = d3_time_percentRe.exec(string.substring(i, i + 1));
+    return n ? i + n[0].length : -1;
+  }
+  function d3_time_formatMulti(formats) {
+    var n = formats.length, i = -1;
+    while (++i < n) formats[i][0] = this(formats[i][0]);
+    return function(date) {
+      var i = 0, f = formats[i];
+      while (!f[1](date)) f = formats[++i];
+      return f[0](date);
+    };
+  }
+  d3.locale = function(locale) {
+    return {
+      numberFormat: d3_locale_numberFormat(locale),
+      timeFormat: d3_locale_timeFormat(locale)
+    };
+  };
+  var d3_locale_enUS = d3.locale({
+    decimal: ".",
+    thousands: ",",
+    grouping: [ 3 ],
+    currency: [ "$", "" ],
+    dateTime: "%a %b %e %X %Y",
+    date: "%m/%d/%Y",
+    time: "%H:%M:%S",
+    periods: [ "AM", "PM" ],
+    days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
+    shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
+    months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
+    shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
+  });
+  d3.format = d3_locale_enUS.numberFormat;
+  d3.geo = {};
+  function d3_adder() {}
+  d3_adder.prototype = {
+    s: 0,
+    t: 0,
+    add: function(y) {
+      d3_adderSum(y, this.t, d3_adderTemp);
+      d3_adderSum(d3_adderTemp.s, this.s, this);
+      if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
+    },
+    reset: function() {
+      this.s = this.t = 0;
+    },
+    valueOf: function() {
+      return this.s;
+    }
+  };
+  var d3_adderTemp = new d3_adder();
+  function d3_adderSum(a, b, o) {
+    var x = o.s = a + b, bv = x - a, av = x - bv;
+    o.t = a - av + (b - bv);
+  }
+  d3.geo.stream = function(object, listener) {
+    if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
+      d3_geo_streamObjectType[object.type](object, listener);
+    } else {
+      d3_geo_streamGeometry(object, listener);
+    }
+  };
+  function d3_geo_streamGeometry(geometry, listener) {
+    if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
+      d3_geo_streamGeometryType[geometry.type](geometry, listener);
+    }
+  }
+  var d3_geo_streamObjectType = {
+    Feature: function(feature, listener) {
+      d3_geo_streamGeometry(feature.geometry, listener);
+    },
+    FeatureCollection: function(object, listener) {
+      var features = object.features, i = -1, n = features.length;
+      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
+    }
+  };
+  var d3_geo_streamGeometryType = {
+    Sphere: function(object, listener) {
+      listener.sphere();
+    },
+    Point: function(object, listener) {
+      object = object.coordinates;
+      listener.point(object[0], object[1], object[2]);
+    },
+    MultiPoint: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
+    },
+    LineString: function(object, listener) {
+      d3_geo_streamLine(object.coordinates, listener, 0);
+    },
+    MultiLineString: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
+    },
+    Polygon: function(object, listener) {
+      d3_geo_streamPolygon(object.coordinates, listener);
+    },
+    MultiPolygon: function(object, listener) {
+      var coordinates = object.coordinates, i = -1, n = coordinates.length;
+      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
+    },
+    GeometryCollection: function(object, listener) {
+      var geometries = object.geometries, i = -1, n = geometries.length;
+      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
+    }
+  };
+  function d3_geo_streamLine(coordinates, listener, closed) {
+    var i = -1, n = coordinates.length - closed, coordinate;
+    listener.lineStart();
+    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
+    listener.lineEnd();
+  }
+  function d3_geo_streamPolygon(coordinates, listener) {
+    var i = -1, n = coordinates.length;
+    listener.polygonStart();
+    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
+    listener.polygonEnd();
+  }
+  d3.geo.area = function(object) {
+    d3_geo_areaSum = 0;
+    d3.geo.stream(object, d3_geo_area);
+    return d3_geo_areaSum;
+  };
+  var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
+  var d3_geo_area = {
+    sphere: function() {
+      d3_geo_areaSum += 4 * π;
+    },
+    point: d3_noop,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: function() {
+      d3_geo_areaRingSum.reset();
+      d3_geo_area.lineStart = d3_geo_areaRingStart;
+    },
+    polygonEnd: function() {
+      var area = 2 * d3_geo_areaRingSum;
+      d3_geo_areaSum += area < 0 ? 4 * π + area : area;
+      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
+    }
+  };
+  function d3_geo_areaRingStart() {
+    var λ00, φ00, λ0, cosφ0, sinφ0;
+    d3_geo_area.point = function(λ, φ) {
+      d3_geo_area.point = nextPoint;
+      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
+      sinφ0 = Math.sin(φ);
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      φ = φ * d3_radians / 2 + π / 4;
+      var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
+      d3_geo_areaRingSum.add(Math.atan2(v, u));
+      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
+    }
+    d3_geo_area.lineEnd = function() {
+      nextPoint(λ00, φ00);
+    };
+  }
+  function d3_geo_cartesian(spherical) {
+    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
+    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
+  }
+  function d3_geo_cartesianDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+  }
+  function d3_geo_cartesianCross(a, b) {
+    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
+  }
+  function d3_geo_cartesianAdd(a, b) {
+    a[0] += b[0];
+    a[1] += b[1];
+    a[2] += b[2];
+  }
+  function d3_geo_cartesianScale(vector, k) {
+    return [ vector[0] * k, vector[1] * k, vector[2] * k ];
+  }
+  function d3_geo_cartesianNormalize(d) {
+    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+    d[0] /= l;
+    d[1] /= l;
+    d[2] /= l;
+  }
+  function d3_geo_spherical(cartesian) {
+    return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
+  }
+  function d3_geo_sphericalEqual(a, b) {
+    return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
+  }
+  d3.geo.bounds = function() {
+    var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
+    var bound = {
+      point: point,
+      lineStart: lineStart,
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        bound.point = ringPoint;
+        bound.lineStart = ringStart;
+        bound.lineEnd = ringEnd;
+        dλSum = 0;
+        d3_geo_area.polygonStart();
+      },
+      polygonEnd: function() {
+        d3_geo_area.polygonEnd();
+        bound.point = point;
+        bound.lineStart = lineStart;
+        bound.lineEnd = lineEnd;
+        if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
+        range[0] = λ0, range[1] = λ1;
+      }
+    };
+    function point(λ, φ) {
+      ranges.push(range = [ λ0 = λ, λ1 = λ ]);
+      if (φ < φ0) φ0 = φ;
+      if (φ > φ1) φ1 = φ;
+    }
+    function linePoint(λ, φ) {
+      var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
+      if (p0) {
+        var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
+        d3_geo_cartesianNormalize(inflection);
+        inflection = d3_geo_spherical(inflection);
+        var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
+        if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
+          var φi = inflection[1] * d3_degrees;
+          if (φi > φ1) φ1 = φi;
+        } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
+          var φi = -inflection[1] * d3_degrees;
+          if (φi < φ0) φ0 = φi;
+        } else {
+          if (φ < φ0) φ0 = φ;
+          if (φ > φ1) φ1 = φ;
+        }
+        if (antimeridian) {
+          if (λ < λ_) {
+            if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
+          } else {
+            if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
+          }
+        } else {
+          if (λ1 >= λ0) {
+            if (λ < λ0) λ0 = λ;
+            if (λ > λ1) λ1 = λ;
+          } else {
+            if (λ > λ_) {
+              if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
+            } else {
+              if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
+            }
+          }
+        }
+      } else {
+        point(λ, φ);
+      }
+      p0 = p, λ_ = λ;
+    }
+    function lineStart() {
+      bound.point = linePoint;
+    }
+    function lineEnd() {
+      range[0] = λ0, range[1] = λ1;
+      bound.point = point;
+      p0 = null;
+    }
+    function ringPoint(λ, φ) {
+      if (p0) {
+        var dλ = λ - λ_;
+        dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
+      } else λ__ = λ, φ__ = φ;
+      d3_geo_area.point(λ, φ);
+      linePoint(λ, φ);
+    }
+    function ringStart() {
+      d3_geo_area.lineStart();
+    }
+    function ringEnd() {
+      ringPoint(λ__, φ__);
+      d3_geo_area.lineEnd();
+      if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
+      range[0] = λ0, range[1] = λ1;
+      p0 = null;
+    }
+    function angle(λ0, λ1) {
+      return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
+    }
+    function compareRanges(a, b) {
+      return a[0] - b[0];
+    }
+    function withinRange(x, range) {
+      return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
+    }
+    return function(feature) {
+      φ1 = λ1 = -(λ0 = φ0 = Infinity);
+      ranges = [];
+      d3.geo.stream(feature, bound);
+      var n = ranges.length;
+      if (n) {
+        ranges.sort(compareRanges);
+        for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
+          b = ranges[i];
+          if (withinRange(b[0], a) || withinRange(b[1], a)) {
+            if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
+            if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
+          } else {
+            merged.push(a = b);
+          }
+        }
+        var best = -Infinity, dλ;
+        for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
+          b = merged[i];
+          if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
+        }
+      }
+      ranges = range = null;
+      return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
+    };
+  }();
+  d3.geo.centroid = function(object) {
+    d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
+    d3.geo.stream(object, d3_geo_centroid);
+    var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
+    if (m < ε2) {
+      x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
+      if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
+      m = x * x + y * y + z * z;
+      if (m < ε2) return [ NaN, NaN ];
+    }
+    return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
+  };
+  var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
+  var d3_geo_centroid = {
+    sphere: d3_noop,
+    point: d3_geo_centroidPoint,
+    lineStart: d3_geo_centroidLineStart,
+    lineEnd: d3_geo_centroidLineEnd,
+    polygonStart: function() {
+      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
+    }
+  };
+  function d3_geo_centroidPoint(λ, φ) {
+    λ *= d3_radians;
+    var cosφ = Math.cos(φ *= d3_radians);
+    d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
+  }
+  function d3_geo_centroidPointXYZ(x, y, z) {
+    ++d3_geo_centroidW0;
+    d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
+    d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
+    d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
+  }
+  function d3_geo_centroidLineStart() {
+    var x0, y0, z0;
+    d3_geo_centroid.point = function(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians);
+      x0 = cosφ * Math.cos(λ);
+      y0 = cosφ * Math.sin(λ);
+      z0 = Math.sin(φ);
+      d3_geo_centroid.point = nextPoint;
+      d3_geo_centroidPointXYZ(x0, y0, z0);
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+      d3_geo_centroidW1 += w;
+      d3_geo_centroidX1 += w * (x0 + (x0 = x));
+      d3_geo_centroidY1 += w * (y0 + (y0 = y));
+      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
+      d3_geo_centroidPointXYZ(x0, y0, z0);
+    }
+  }
+  function d3_geo_centroidLineEnd() {
+    d3_geo_centroid.point = d3_geo_centroidPoint;
+  }
+  function d3_geo_centroidRingStart() {
+    var λ00, φ00, x0, y0, z0;
+    d3_geo_centroid.point = function(λ, φ) {
+      λ00 = λ, φ00 = φ;
+      d3_geo_centroid.point = nextPoint;
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians);
+      x0 = cosφ * Math.cos(λ);
+      y0 = cosφ * Math.sin(λ);
+      z0 = Math.sin(φ);
+      d3_geo_centroidPointXYZ(x0, y0, z0);
+    };
+    d3_geo_centroid.lineEnd = function() {
+      nextPoint(λ00, φ00);
+      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
+      d3_geo_centroid.point = d3_geo_centroidPoint;
+    };
+    function nextPoint(λ, φ) {
+      λ *= d3_radians;
+      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
+      d3_geo_centroidX2 += v * cx;
+      d3_geo_centroidY2 += v * cy;
+      d3_geo_centroidZ2 += v * cz;
+      d3_geo_centroidW1 += w;
+      d3_geo_centroidX1 += w * (x0 + (x0 = x));
+      d3_geo_centroidY1 += w * (y0 + (y0 = y));
+      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
+      d3_geo_centroidPointXYZ(x0, y0, z0);
+    }
+  }
+  function d3_true() {
+    return true;
+  }
+  function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
+    var subject = [], clip = [];
+    segments.forEach(function(segment) {
+      if ((n = segment.length - 1) <= 0) return;
+      var n, p0 = segment[0], p1 = segment[n];
+      if (d3_geo_sphericalEqual(p0, p1)) {
+        listener.lineStart();
+        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
+        listener.lineEnd();
+        return;
+      }
+      var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
+      a.o = b;
+      subject.push(a);
+      clip.push(b);
+      a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
+      b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
+      a.o = b;
+      subject.push(a);
+      clip.push(b);
+    });
+    clip.sort(compare);
+    d3_geo_clipPolygonLinkCircular(subject);
+    d3_geo_clipPolygonLinkCircular(clip);
+    if (!subject.length) return;
+    for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
+      clip[i].e = entry = !entry;
+    }
+    var start = subject[0], points, point;
+    while (1) {
+      var current = start, isSubject = true;
+      while (current.v) if ((current = current.n) === start) return;
+      points = current.z;
+      listener.lineStart();
+      do {
+        current.v = current.o.v = true;
+        if (current.e) {
+          if (isSubject) {
+            for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
+          } else {
+            interpolate(current.x, current.n.x, 1, listener);
+          }
+          current = current.n;
+        } else {
+          if (isSubject) {
+            points = current.p.z;
+            for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
+          } else {
+            interpolate(current.x, current.p.x, -1, listener);
+          }
+          current = current.p;
+        }
+        current = current.o;
+        points = current.z;
+        isSubject = !isSubject;
+      } while (!current.v);
+      listener.lineEnd();
+    }
+  }
+  function d3_geo_clipPolygonLinkCircular(array) {
+    if (!(n = array.length)) return;
+    var n, i = 0, a = array[0], b;
+    while (++i < n) {
+      a.n = b = array[i];
+      b.p = a;
+      a = b;
+    }
+    a.n = b = array[0];
+    b.p = a;
+  }
+  function d3_geo_clipPolygonIntersection(point, points, other, entry) {
+    this.x = point;
+    this.z = points;
+    this.o = other;
+    this.e = entry;
+    this.v = false;
+    this.n = this.p = null;
+  }
+  function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
+    return function(rotate, listener) {
+      var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
+      var clip = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          clip.point = pointRing;
+          clip.lineStart = ringStart;
+          clip.lineEnd = ringEnd;
+          segments = [];
+          polygon = [];
+          listener.polygonStart();
+        },
+        polygonEnd: function() {
+          clip.point = point;
+          clip.lineStart = lineStart;
+          clip.lineEnd = lineEnd;
+          segments = d3.merge(segments);
+          var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
+          if (segments.length) {
+            d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
+          } else if (clipStartInside) {
+            listener.lineStart();
+            interpolate(null, null, 1, listener);
+            listener.lineEnd();
+          }
+          listener.polygonEnd();
+          segments = polygon = null;
+        },
+        sphere: function() {
+          listener.polygonStart();
+          listener.lineStart();
+          interpolate(null, null, 1, listener);
+          listener.lineEnd();
+          listener.polygonEnd();
+        }
+      };
+      function point(λ, φ) {
+        var point = rotate(λ, φ);
+        if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
+      }
+      function pointLine(λ, φ) {
+        var point = rotate(λ, φ);
+        line.point(point[0], point[1]);
+      }
+      function lineStart() {
+        clip.point = pointLine;
+        line.lineStart();
+      }
+      function lineEnd() {
+        clip.point = point;
+        line.lineEnd();
+      }
+      var segments;
+      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygon, ring;
+      function pointRing(λ, φ) {
+        ring.push([ λ, φ ]);
+        var point = rotate(λ, φ);
+        ringListener.point(point[0], point[1]);
+      }
+      function ringStart() {
+        ringListener.lineStart();
+        ring = [];
+      }
+      function ringEnd() {
+        pointRing(ring[0][0], ring[0][1]);
+        ringListener.lineEnd();
+        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
+        ring.pop();
+        polygon.push(ring);
+        ring = null;
+        if (!n) return;
+        if (clean & 1) {
+          segment = ringSegments[0];
+          var n = segment.length - 1, i = -1, point;
+          listener.lineStart();
+          while (++i < n) listener.point((point = segment[i])[0], point[1]);
+          listener.lineEnd();
+          return;
+        }
+        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
+      }
+      return clip;
+    };
+  }
+  function d3_geo_clipSegmentLength1(segment) {
+    return segment.length > 1;
+  }
+  function d3_geo_clipBufferListener() {
+    var lines = [], line;
+    return {
+      lineStart: function() {
+        lines.push(line = []);
+      },
+      point: function(λ, φ) {
+        line.push([ λ, φ ]);
+      },
+      lineEnd: d3_noop,
+      buffer: function() {
+        var buffer = lines;
+        lines = [];
+        line = null;
+        return buffer;
+      },
+      rejoin: function() {
+        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
+      }
+    };
+  }
+  function d3_geo_clipSort(a, b) {
+    return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
+  }
+  function d3_geo_pointInPolygon(point, polygon) {
+    var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
+    d3_geo_areaRingSum.reset();
+    for (var i = 0, n = polygon.length; i < n; ++i) {
+      var ring = polygon[i], m = ring.length;
+      if (!m) continue;
+      var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
+      while (true) {
+        if (j === m) j = 0;
+        point = ring[j];
+        var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
+        d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
+        polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
+        if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
+          var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
+          d3_geo_cartesianNormalize(arc);
+          var intersection = d3_geo_cartesianCross(meridianNormal, arc);
+          d3_geo_cartesianNormalize(intersection);
+          var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
+          if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
+            winding += antimeridian ^ dλ >= 0 ? 1 : -1;
+          }
+        }
+        if (!j++) break;
+        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
+      }
+    }
+    return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1;
+  }
+  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
+  function d3_geo_clipAntimeridianLine(listener) {
+    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
+    return {
+      lineStart: function() {
+        listener.lineStart();
+        clean = 1;
+      },
+      point: function(λ1, φ1) {
+        var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
+        if (abs(dλ - π) < ε) {
+          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
+          listener.point(sλ0, φ0);
+          listener.lineEnd();
+          listener.lineStart();
+          listener.point(sλ1, φ0);
+          listener.point(λ1, φ0);
+          clean = 0;
+        } else if (sλ0 !== sλ1 && dλ >= π) {
+          if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
+          if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
+          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
+          listener.point(sλ0, φ0);
+          listener.lineEnd();
+          listener.lineStart();
+          listener.point(sλ1, φ0);
+          clean = 0;
+        }
+        listener.point(λ0 = λ1, φ0 = φ1);
+        sλ0 = sλ1;
+      },
+      lineEnd: function() {
+        listener.lineEnd();
+        λ0 = φ0 = NaN;
+      },
+      clean: function() {
+        return 2 - clean;
+      }
+    };
+  }
+  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
+    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
+    return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
+  }
+  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
+    var φ;
+    if (from == null) {
+      φ = direction * halfπ;
+      listener.point(-π, φ);
+      listener.point(0, φ);
+      listener.point(π, φ);
+      listener.point(π, 0);
+      listener.point(π, -φ);
+      listener.point(0, -φ);
+      listener.point(-π, -φ);
+      listener.point(-π, 0);
+      listener.point(-π, φ);
+    } else if (abs(from[0] - to[0]) > ε) {
+      var s = from[0] < to[0] ? π : -π;
+      φ = direction * s / 2;
+      listener.point(-s, φ);
+      listener.point(0, φ);
+      listener.point(s, φ);
+    } else {
+      listener.point(to[0], to[1]);
+    }
+  }
+  function d3_geo_clipCircle(radius) {
+    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
+    return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
+    function visible(λ, φ) {
+      return Math.cos(λ) * Math.cos(φ) > cr;
+    }
+    function clipLine(listener) {
+      var point0, c0, v0, v00, clean;
+      return {
+        lineStart: function() {
+          v00 = v0 = false;
+          clean = 1;
+        },
+        point: function(λ, φ) {
+          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
+          if (!point0 && (v00 = v0 = v)) listener.lineStart();
+          if (v !== v0) {
+            point2 = intersect(point0, point1);
+            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
+              point1[0] += ε;
+              point1[1] += ε;
+              v = visible(point1[0], point1[1]);
+            }
+          }
+          if (v !== v0) {
+            clean = 0;
+            if (v) {
+              listener.lineStart();
+              point2 = intersect(point1, point0);
+              listener.point(point2[0], point2[1]);
+            } else {
+              point2 = intersect(point0, point1);
+              listener.point(point2[0], point2[1]);
+              listener.lineEnd();
+            }
+            point0 = point2;
+          } else if (notHemisphere && point0 && smallRadius ^ v) {
+            var t;
+            if (!(c & c0) && (t = intersect(point1, point0, true))) {
+              clean = 0;
+              if (smallRadius) {
+                listener.lineStart();
+                listener.point(t[0][0], t[0][1]);
+                listener.point(t[1][0], t[1][1]);
+                listener.lineEnd();
+              } else {
+                listener.point(t[1][0], t[1][1]);
+                listener.lineEnd();
+                listener.lineStart();
+                listener.point(t[0][0], t[0][1]);
+              }
+            }
+          }
+          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
+            listener.point(point1[0], point1[1]);
+          }
+          point0 = point1, v0 = v, c0 = c;
+        },
+        lineEnd: function() {
+          if (v0) listener.lineEnd();
+          point0 = null;
+        },
+        clean: function() {
+          return clean | (v00 && v0) << 1;
+        }
+      };
+    }
+    function intersect(a, b, two) {
+      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
+      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+      if (!determinant) return !two && a;
+      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
+      d3_geo_cartesianAdd(A, B);
+      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
+      if (t2 < 0) return;
+      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
+      d3_geo_cartesianAdd(q, A);
+      q = d3_geo_spherical(q);
+      if (!two) return q;
+      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
+      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
+      var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
+      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
+      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
+        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
+        d3_geo_cartesianAdd(q1, A);
+        return [ q, d3_geo_spherical(q1) ];
+      }
+    }
+    function code(λ, φ) {
+      var r = smallRadius ? radius : π - radius, code = 0;
+      if (λ < -r) code |= 1; else if (λ > r) code |= 2;
+      if (φ < -r) code |= 4; else if (φ > r) code |= 8;
+      return code;
+    }
+  }
+  function d3_geom_clipLine(x0, y0, x1, y1) {
+    return function(line) {
+      var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
+      r = x0 - ax;
+      if (!dx && r > 0) return;
+      r /= dx;
+      if (dx < 0) {
+        if (r < t0) return;
+        if (r < t1) t1 = r;
+      } else if (dx > 0) {
+        if (r > t1) return;
+        if (r > t0) t0 = r;
+      }
+      r = x1 - ax;
+      if (!dx && r < 0) return;
+      r /= dx;
+      if (dx < 0) {
+        if (r > t1) return;
+        if (r > t0) t0 = r;
+      } else if (dx > 0) {
+        if (r < t0) return;
+        if (r < t1) t1 = r;
+      }
+      r = y0 - ay;
+      if (!dy && r > 0) return;
+      r /= dy;
+      if (dy < 0) {
+        if (r < t0) return;
+        if (r < t1) t1 = r;
+      } else if (dy > 0) {
+        if (r > t1) return;
+        if (r > t0) t0 = r;
+      }
+      r = y1 - ay;
+      if (!dy && r < 0) return;
+      r /= dy;
+      if (dy < 0) {
+        if (r > t1) return;
+        if (r > t0) t0 = r;
+      } else if (dy > 0) {
+        if (r < t0) return;
+        if (r < t1) t1 = r;
+      }
+      if (t0 > 0) line.a = {
+        x: ax + t0 * dx,
+        y: ay + t0 * dy
+      };
+      if (t1 < 1) line.b = {
+        x: ax + t1 * dx,
+        y: ay + t1 * dy
+      };
+      return line;
+    };
+  }
+  var d3_geo_clipExtentMAX = 1e9;
+  d3.geo.clipExtent = function() {
+    var x0, y0, x1, y1, stream, clip, clipExtent = {
+      stream: function(output) {
+        if (stream) stream.valid = false;
+        stream = clip(output);
+        stream.valid = true;
+        return stream;
+      },
+      extent: function(_) {
+        if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+        clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
+        if (stream) stream.valid = false, stream = null;
+        return clipExtent;
+      }
+    };
+    return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
+  };
+  function d3_geo_clipExtent(x0, y0, x1, y1) {
+    return function(listener) {
+      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
+      var clip = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          listener = bufferListener;
+          segments = [];
+          polygon = [];
+          clean = true;
+        },
+        polygonEnd: function() {
+          listener = listener_;
+          segments = d3.merge(segments);
+          var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
+          if (inside || visible) {
+            listener.polygonStart();
+            if (inside) {
+              listener.lineStart();
+              interpolate(null, null, 1, listener);
+              listener.lineEnd();
+            }
+            if (visible) {
+              d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
+            }
+            listener.polygonEnd();
+          }
+          segments = polygon = ring = null;
+        }
+      };
+      function insidePolygon(p) {
+        var wn = 0, n = polygon.length, y = p[1];
+        for (var i = 0; i < n; ++i) {
+          for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
+            b = v[j];
+            if (a[1] <= y) {
+              if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
+            } else {
+              if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
+            }
+            a = b;
+          }
+        }
+        return wn !== 0;
+      }
+      function interpolate(from, to, direction, listener) {
+        var a = 0, a1 = 0;
+        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
+          do {
+            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
+          } while ((a = (a + direction + 4) % 4) !== a1);
+        } else {
+          listener.point(to[0], to[1]);
+        }
+      }
+      function pointVisible(x, y) {
+        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
+      }
+      function point(x, y) {
+        if (pointVisible(x, y)) listener.point(x, y);
+      }
+      var x__, y__, v__, x_, y_, v_, first, clean;
+      function lineStart() {
+        clip.point = linePoint;
+        if (polygon) polygon.push(ring = []);
+        first = true;
+        v_ = false;
+        x_ = y_ = NaN;
+      }
+      function lineEnd() {
+        if (segments) {
+          linePoint(x__, y__);
+          if (v__ && v_) bufferListener.rejoin();
+          segments.push(bufferListener.buffer());
+        }
+        clip.point = point;
+        if (v_) listener.lineEnd();
+      }
+      function linePoint(x, y) {
+        x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
+        y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
+        var v = pointVisible(x, y);
+        if (polygon) ring.push([ x, y ]);
+        if (first) {
+          x__ = x, y__ = y, v__ = v;
+          first = false;
+          if (v) {
+            listener.lineStart();
+            listener.point(x, y);
+          }
+        } else {
+          if (v && v_) listener.point(x, y); else {
+            var l = {
+              a: {
+                x: x_,
+                y: y_
+              },
+              b: {
+                x: x,
+                y: y
+              }
+            };
+            if (clipLine(l)) {
+              if (!v_) {
+                listener.lineStart();
+                listener.point(l.a.x, l.a.y);
+              }
+              listener.point(l.b.x, l.b.y);
+              if (!v) listener.lineEnd();
+              clean = false;
+            } else if (v) {
+              listener.lineStart();
+              listener.point(x, y);
+              clean = false;
+            }
+          }
+        }
+        x_ = x, y_ = y, v_ = v;
+      }
+      return clip;
+    };
+    function corner(p, direction) {
+      return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
+    }
+    function compare(a, b) {
+      return comparePoints(a.x, b.x);
+    }
+    function comparePoints(a, b) {
+      var ca = corner(a, 1), cb = corner(b, 1);
+      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
+    }
+  }
+  function d3_geo_compose(a, b) {
+    function compose(x, y) {
+      return x = a(x, y), b(x[0], x[1]);
+    }
+    if (a.invert && b.invert) compose.invert = function(x, y) {
+      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+    };
+    return compose;
+  }
+  function d3_geo_conic(projectAt) {
+    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
+    p.parallels = function(_) {
+      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
+      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
+    };
+    return p;
+  }
+  function d3_geo_conicEqualArea(φ0, φ1) {
+    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
+    function forward(λ, φ) {
+      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
+      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = ρ0 - y;
+      return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
+    };
+    return forward;
+  }
+  (d3.geo.conicEqualArea = function() {
+    return d3_geo_conic(d3_geo_conicEqualArea);
+  }).raw = d3_geo_conicEqualArea;
+  d3.geo.albers = function() {
+    return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
+  };
+  d3.geo.albersUsa = function() {
+    var lower48 = d3.geo.albers();
+    var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
+    var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
+    var point, pointStream = {
+      point: function(x, y) {
+        point = [ x, y ];
+      }
+    }, lower48Point, alaskaPoint, hawaiiPoint;
+    function albersUsa(coordinates) {
+      var x = coordinates[0], y = coordinates[1];
+      point = null;
+      (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
+      return point;
+    }
+    albersUsa.invert = function(coordinates) {
+      var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
+      return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
+    };
+    albersUsa.stream = function(stream) {
+      var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
+      return {
+        point: function(x, y) {
+          lower48Stream.point(x, y);
+          alaskaStream.point(x, y);
+          hawaiiStream.point(x, y);
+        },
+        sphere: function() {
+          lower48Stream.sphere();
+          alaskaStream.sphere();
+          hawaiiStream.sphere();
+        },
+        lineStart: function() {
+          lower48Stream.lineStart();
+          alaskaStream.lineStart();
+          hawaiiStream.lineStart();
+        },
+        lineEnd: function() {
+          lower48Stream.lineEnd();
+          alaskaStream.lineEnd();
+          hawaiiStream.lineEnd();
+        },
+        polygonStart: function() {
+          lower48Stream.polygonStart();
+          alaskaStream.polygonStart();
+          hawaiiStream.polygonStart();
+        },
+        polygonEnd: function() {
+          lower48Stream.polygonEnd();
+          alaskaStream.polygonEnd();
+          hawaiiStream.polygonEnd();
+        }
+      };
+    };
+    albersUsa.precision = function(_) {
+      if (!arguments.length) return lower48.precision();
+      lower48.precision(_);
+      alaska.precision(_);
+      hawaii.precision(_);
+      return albersUsa;
+    };
+    albersUsa.scale = function(_) {
+      if (!arguments.length) return lower48.scale();
+      lower48.scale(_);
+      alaska.scale(_ * .35);
+      hawaii.scale(_);
+      return albersUsa.translate(lower48.translate());
+    };
+    albersUsa.translate = function(_) {
+      if (!arguments.length) return lower48.translate();
+      var k = lower48.scale(), x = +_[0], y = +_[1];
+      lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
+      alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
+      hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
+      return albersUsa;
+    };
+    return albersUsa.scale(1070);
+  };
+  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
+    point: d3_noop,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: function() {
+      d3_geo_pathAreaPolygon = 0;
+      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
+      d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
+    }
+  };
+  function d3_geo_pathAreaRingStart() {
+    var x00, y00, x0, y0;
+    d3_geo_pathArea.point = function(x, y) {
+      d3_geo_pathArea.point = nextPoint;
+      x00 = x0 = x, y00 = y0 = y;
+    };
+    function nextPoint(x, y) {
+      d3_geo_pathAreaPolygon += y0 * x - x0 * y;
+      x0 = x, y0 = y;
+    }
+    d3_geo_pathArea.lineEnd = function() {
+      nextPoint(x00, y00);
+    };
+  }
+  var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
+  var d3_geo_pathBounds = {
+    point: d3_geo_pathBoundsPoint,
+    lineStart: d3_noop,
+    lineEnd: d3_noop,
+    polygonStart: d3_noop,
+    polygonEnd: d3_noop
+  };
+  function d3_geo_pathBoundsPoint(x, y) {
+    if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
+    if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
+    if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
+    if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
+  }
+  function d3_geo_pathBuffer() {
+    var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
+    var stream = {
+      point: point,
+      lineStart: function() {
+        stream.point = pointLineStart;
+      },
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        stream.lineEnd = lineEndPolygon;
+      },
+      polygonEnd: function() {
+        stream.lineEnd = lineEnd;
+        stream.point = point;
+      },
+      pointRadius: function(_) {
+        pointCircle = d3_geo_pathBufferCircle(_);
+        return stream;
+      },
+      result: function() {
+        if (buffer.length) {
+          var result = buffer.join("");
+          buffer = [];
+          return result;
+        }
+      }
+    };
+    function point(x, y) {
+      buffer.push("M", x, ",", y, pointCircle);
+    }
+    function pointLineStart(x, y) {
+      buffer.push("M", x, ",", y);
+      stream.point = pointLine;
+    }
+    function pointLine(x, y) {
+      buffer.push("L", x, ",", y);
+    }
+    function lineEnd() {
+      stream.point = point;
+    }
+    function lineEndPolygon() {
+      buffer.push("Z");
+    }
+    return stream;
+  }
+  function d3_geo_pathBufferCircle(radius) {
+    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
+  }
+  var d3_geo_pathCentroid = {
+    point: d3_geo_pathCentroidPoint,
+    lineStart: d3_geo_pathCentroidLineStart,
+    lineEnd: d3_geo_pathCentroidLineEnd,
+    polygonStart: function() {
+      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
+    },
+    polygonEnd: function() {
+      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
+      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
+    }
+  };
+  function d3_geo_pathCentroidPoint(x, y) {
+    d3_geo_centroidX0 += x;
+    d3_geo_centroidY0 += y;
+    ++d3_geo_centroidZ0;
+  }
+  function d3_geo_pathCentroidLineStart() {
+    var x0, y0;
+    d3_geo_pathCentroid.point = function(x, y) {
+      d3_geo_pathCentroid.point = nextPoint;
+      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+    };
+    function nextPoint(x, y) {
+      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+      d3_geo_centroidX1 += z * (x0 + x) / 2;
+      d3_geo_centroidY1 += z * (y0 + y) / 2;
+      d3_geo_centroidZ1 += z;
+      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+    }
+  }
+  function d3_geo_pathCentroidLineEnd() {
+    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+  }
+  function d3_geo_pathCentroidRingStart() {
+    var x00, y00, x0, y0;
+    d3_geo_pathCentroid.point = function(x, y) {
+      d3_geo_pathCentroid.point = nextPoint;
+      d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
+    };
+    function nextPoint(x, y) {
+      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+      d3_geo_centroidX1 += z * (x0 + x) / 2;
+      d3_geo_centroidY1 += z * (y0 + y) / 2;
+      d3_geo_centroidZ1 += z;
+      z = y0 * x - x0 * y;
+      d3_geo_centroidX2 += z * (x0 + x);
+      d3_geo_centroidY2 += z * (y0 + y);
+      d3_geo_centroidZ2 += z * 3;
+      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+    }
+    d3_geo_pathCentroid.lineEnd = function() {
+      nextPoint(x00, y00);
+    };
+  }
+  function d3_geo_pathContext(context) {
+    var pointRadius = 4.5;
+    var stream = {
+      point: point,
+      lineStart: function() {
+        stream.point = pointLineStart;
+      },
+      lineEnd: lineEnd,
+      polygonStart: function() {
+        stream.lineEnd = lineEndPolygon;
+      },
+      polygonEnd: function() {
+        stream.lineEnd = lineEnd;
+        stream.point = point;
+      },
+      pointRadius: function(_) {
+        pointRadius = _;
+        return stream;
+      },
+      result: d3_noop
+    };
+    function point(x, y) {
+      context.moveTo(x, y);
+      context.arc(x, y, pointRadius, 0, τ);
+    }
+    function pointLineStart(x, y) {
+      context.moveTo(x, y);
+      stream.point = pointLine;
+    }
+    function pointLine(x, y) {
+      context.lineTo(x, y);
+    }
+    function lineEnd() {
+      stream.point = point;
+    }
+    function lineEndPolygon() {
+      context.closePath();
+    }
+    return stream;
+  }
+  function d3_geo_resample(project) {
+    var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
+    function resample(stream) {
+      return (maxDepth ? resampleRecursive : resampleNone)(stream);
+    }
+    function resampleNone(stream) {
+      return d3_geo_transformPoint(stream, function(x, y) {
+        x = project(x, y);
+        stream.point(x[0], x[1]);
+      });
+    }
+    function resampleRecursive(stream) {
+      var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
+      var resample = {
+        point: point,
+        lineStart: lineStart,
+        lineEnd: lineEnd,
+        polygonStart: function() {
+          stream.polygonStart();
+          resample.lineStart = ringStart;
+        },
+        polygonEnd: function() {
+          stream.polygonEnd();
+          resample.lineStart = lineStart;
+        }
+      };
+      function point(x, y) {
+        x = project(x, y);
+        stream.point(x[0], x[1]);
+      }
+      function lineStart() {
+        x0 = NaN;
+        resample.point = linePoint;
+        stream.lineStart();
+      }
+      function linePoint(λ, φ) {
+        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
+        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+        stream.point(x0, y0);
+      }
+      function lineEnd() {
+        resample.point = point;
+        stream.lineEnd();
+      }
+      function ringStart() {
+        lineStart();
+        resample.point = ringPoint;
+        resample.lineEnd = ringEnd;
+      }
+      function ringPoint(λ, φ) {
+        linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
+        resample.point = linePoint;
+      }
+      function ringEnd() {
+        resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
+        resample.lineEnd = lineEnd;
+        lineEnd();
+      }
+      return resample;
+    }
+    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
+      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
+      if (d2 > 4 * δ2 && depth--) {
+        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
+        if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
+          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
+          stream.point(x2, y2);
+          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
+        }
+      }
+    }
+    resample.precision = function(_) {
+      if (!arguments.length) return Math.sqrt(δ2);
+      maxDepth = (δ2 = _ * _) > 0 && 16;
+      return resample;
+    };
+    return resample;
+  }
+  d3.geo.path = function() {
+    var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
+    function path(object) {
+      if (object) {
+        if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
+        if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
+        d3.geo.stream(object, cacheStream);
+      }
+      return contextStream.result();
+    }
+    path.area = function(object) {
+      d3_geo_pathAreaSum = 0;
+      d3.geo.stream(object, projectStream(d3_geo_pathArea));
+      return d3_geo_pathAreaSum;
+    };
+    path.centroid = function(object) {
+      d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
+      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
+      return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
+    };
+    path.bounds = function(object) {
+      d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
+      d3.geo.stream(object, projectStream(d3_geo_pathBounds));
+      return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
+    };
+    path.projection = function(_) {
+      if (!arguments.length) return projection;
+      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
+      return reset();
+    };
+    path.context = function(_) {
+      if (!arguments.length) return context;
+      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
+      if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
+      return reset();
+    };
+    path.pointRadius = function(_) {
+      if (!arguments.length) return pointRadius;
+      pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
+      return path;
+    };
+    function reset() {
+      cacheStream = null;
+      return path;
+    }
+    return path.projection(d3.geo.albersUsa()).context(null);
+  };
+  function d3_geo_pathProjectStream(project) {
+    var resample = d3_geo_resample(function(x, y) {
+      return project([ x * d3_degrees, y * d3_degrees ]);
+    });
+    return function(stream) {
+      return d3_geo_projectionRadians(resample(stream));
+    };
+  }
+  d3.geo.transform = function(methods) {
+    return {
+      stream: function(stream) {
+        var transform = new d3_geo_transform(stream);
+        for (var k in methods) transform[k] = methods[k];
+        return transform;
+      }
+    };
+  };
+  function d3_geo_transform(stream) {
+    this.stream = stream;
+  }
+  d3_geo_transform.prototype = {
+    point: function(x, y) {
+      this.stream.point(x, y);
+    },
+    sphere: function() {
+      this.stream.sphere();
+    },
+    lineStart: function() {
+      this.stream.lineStart();
+    },
+    lineEnd: function() {
+      this.stream.lineEnd();
+    },
+    polygonStart: function() {
+      this.stream.polygonStart();
+    },
+    polygonEnd: function() {
+      this.stream.polygonEnd();
+    }
+  };
+  function d3_geo_transformPoint(stream, point) {
+    return {
+      point: point,
+      sphere: function() {
+        stream.sphere();
+      },
+      lineStart: function() {
+        stream.lineStart();
+      },
+      lineEnd: function() {
+        stream.lineEnd();
+      },
+      polygonStart: function() {
+        stream.polygonStart();
+      },
+      polygonEnd: function() {
+        stream.polygonEnd();
+      }
+    };
+  }
+  d3.geo.projection = d3_geo_projection;
+  d3.geo.projectionMutator = d3_geo_projectionMutator;
+  function d3_geo_projection(project) {
+    return d3_geo_projectionMutator(function() {
+      return project;
+    })();
+  }
+  function d3_geo_projectionMutator(projectAt) {
+    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
+      x = project(x, y);
+      return [ x[0] * k + δx, δy - x[1] * k ];
+    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
+    function projection(point) {
+      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
+      return [ point[0] * k + δx, δy - point[1] * k ];
+    }
+    function invert(point) {
+      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
+      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
+    }
+    projection.stream = function(output) {
+      if (stream) stream.valid = false;
+      stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
+      stream.valid = true;
+      return stream;
+    };
+    projection.clipAngle = function(_) {
+      if (!arguments.length) return clipAngle;
+      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
+      return invalidate();
+    };
+    projection.clipExtent = function(_) {
+      if (!arguments.length) return clipExtent;
+      clipExtent = _;
+      postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
+      return invalidate();
+    };
+    projection.scale = function(_) {
+      if (!arguments.length) return k;
+      k = +_;
+      return reset();
+    };
+    projection.translate = function(_) {
+      if (!arguments.length) return [ x, y ];
+      x = +_[0];
+      y = +_[1];
+      return reset();
+    };
+    projection.center = function(_) {
+      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
+      λ = _[0] % 360 * d3_radians;
+      φ = _[1] % 360 * d3_radians;
+      return reset();
+    };
+    projection.rotate = function(_) {
+      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
+      δλ = _[0] % 360 * d3_radians;
+      δφ = _[1] % 360 * d3_radians;
+      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
+      return reset();
+    };
+    d3.rebind(projection, projectResample, "precision");
+    function reset() {
+      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
+      var center = project(λ, φ);
+      δx = x - center[0] * k;
+      δy = y + center[1] * k;
+      return invalidate();
+    }
+    function invalidate() {
+      if (stream) stream.valid = false, stream = null;
+      return projection;
+    }
+    return function() {
+      project = projectAt.apply(this, arguments);
+      projection.invert = project.invert && invert;
+      return reset();
+    };
+  }
+  function d3_geo_projectionRadians(stream) {
+    return d3_geo_transformPoint(stream, function(x, y) {
+      stream.point(x * d3_radians, y * d3_radians);
+    });
+  }
+  function d3_geo_equirectangular(λ, φ) {
+    return [ λ, φ ];
+  }
+  (d3.geo.equirectangular = function() {
+    return d3_geo_projection(d3_geo_equirectangular);
+  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
+  d3.geo.rotation = function(rotate) {
+    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
+    function forward(coordinates) {
+      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+    }
+    forward.invert = function(coordinates) {
+      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+    };
+    return forward;
+  };
+  function d3_geo_identityRotation(λ, φ) {
+    return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
+  }
+  d3_geo_identityRotation.invert = d3_geo_equirectangular;
+  function d3_geo_rotation(δλ, δφ, δγ) {
+    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
+  }
+  function d3_geo_forwardRotationλ(δλ) {
+    return function(λ, φ) {
+      return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
+    };
+  }
+  function d3_geo_rotationλ(δλ) {
+    var rotation = d3_geo_forwardRotationλ(δλ);
+    rotation.invert = d3_geo_forwardRotationλ(-δλ);
+    return rotation;
+  }
+  function d3_geo_rotationφγ(δφ, δγ) {
+    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
+    function rotation(λ, φ) {
+      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
+      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
+    }
+    rotation.invert = function(λ, φ) {
+      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
+      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
+    };
+    return rotation;
+  }
+  d3.geo.circle = function() {
+    var origin = [ 0, 0 ], angle, precision = 6, interpolate;
+    function circle() {
+      var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
+      interpolate(null, null, 1, {
+        point: function(x, y) {
+          ring.push(x = rotate(x, y));
+          x[0] *= d3_degrees, x[1] *= d3_degrees;
+        }
+      });
+      return {
+        type: "Polygon",
+        coordinates: [ ring ]
+      };
+    }
+    circle.origin = function(x) {
+      if (!arguments.length) return origin;
+      origin = x;
+      return circle;
+    };
+    circle.angle = function(x) {
+      if (!arguments.length) return angle;
+      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
+      return circle;
+    };
+    circle.precision = function(_) {
+      if (!arguments.length) return precision;
+      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
+      return circle;
+    };
+    return circle.angle(90);
+  };
+  function d3_geo_circleInterpolate(radius, precision) {
+    var cr = Math.cos(radius), sr = Math.sin(radius);
+    return function(from, to, direction, listener) {
+      var step = direction * precision;
+      if (from != null) {
+        from = d3_geo_circleAngle(cr, from);
+        to = d3_geo_circleAngle(cr, to);
+        if (direction > 0 ? from < to : from > to) from += direction * τ;
+      } else {
+        from = radius + direction * τ;
+        to = radius - .5 * step;
+      }
+      for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
+        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
+      }
+    };
+  }
+  function d3_geo_circleAngle(cr, point) {
+    var a = d3_geo_cartesian(point);
+    a[0] -= cr;
+    d3_geo_cartesianNormalize(a);
+    var angle = d3_acos(-a[1]);
+    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
+  }
+  d3.geo.distance = function(a, b) {
+    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
+    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
+  };
+  d3.geo.graticule = function() {
+    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
+    function graticule() {
+      return {
+        type: "MultiLineString",
+        coordinates: lines()
+      };
+    }
+    function lines() {
+      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
+        return abs(x % DX) > ε;
+      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
+        return abs(y % DY) > ε;
+      }).map(y));
+    }
+    graticule.lines = function() {
+      return lines().map(function(coordinates) {
+        return {
+          type: "LineString",
+          coordinates: coordinates
+        };
+      });
+    };
+    graticule.outline = function() {
+      return {
+        type: "Polygon",
+        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
+      };
+    };
+    graticule.extent = function(_) {
+      if (!arguments.length) return graticule.minorExtent();
+      return graticule.majorExtent(_).minorExtent(_);
+    };
+    graticule.majorExtent = function(_) {
+      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
+      X0 = +_[0][0], X1 = +_[1][0];
+      Y0 = +_[0][1], Y1 = +_[1][1];
+      if (X0 > X1) _ = X0, X0 = X1, X1 = _;
+      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
+      return graticule.precision(precision);
+    };
+    graticule.minorExtent = function(_) {
+      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+      x0 = +_[0][0], x1 = +_[1][0];
+      y0 = +_[0][1], y1 = +_[1][1];
+      if (x0 > x1) _ = x0, x0 = x1, x1 = _;
+      if (y0 > y1) _ = y0, y0 = y1, y1 = _;
+      return graticule.precision(precision);
+    };
+    graticule.step = function(_) {
+      if (!arguments.length) return graticule.minorStep();
+      return graticule.majorStep(_).minorStep(_);
+    };
+    graticule.majorStep = function(_) {
+      if (!arguments.length) return [ DX, DY ];
+      DX = +_[0], DY = +_[1];
+      return graticule;
+    };
+    graticule.minorStep = function(_) {
+      if (!arguments.length) return [ dx, dy ];
+      dx = +_[0], dy = +_[1];
+      return graticule;
+    };
+    graticule.precision = function(_) {
+      if (!arguments.length) return precision;
+      precision = +_;
+      x = d3_geo_graticuleX(y0, y1, 90);
+      y = d3_geo_graticuleY(x0, x1, precision);
+      X = d3_geo_graticuleX(Y0, Y1, 90);
+      Y = d3_geo_graticuleY(X0, X1, precision);
+      return graticule;
+    };
+    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
+  };
+  function d3_geo_graticuleX(y0, y1, dy) {
+    var y = d3.range(y0, y1 - ε, dy).concat(y1);
+    return function(x) {
+      return y.map(function(y) {
+        return [ x, y ];
+      });
+    };
+  }
+  function d3_geo_graticuleY(x0, x1, dx) {
+    var x = d3.range(x0, x1 - ε, dx).concat(x1);
+    return function(y) {
+      return x.map(function(x) {
+        return [ x, y ];
+      });
+    };
+  }
+  function d3_source(d) {
+    return d.source;
+  }
+  function d3_target(d) {
+    return d.target;
+  }
+  d3.geo.greatArc = function() {
+    var source = d3_source, source_, target = d3_target, target_;
+    function greatArc() {
+      return {
+        type: "LineString",
+        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
+      };
+    }
+    greatArc.distance = function() {
+      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
+    };
+    greatArc.source = function(_) {
+      if (!arguments.length) return source;
+      source = _, source_ = typeof _ === "function" ? null : _;
+      return greatArc;
+    };
+    greatArc.target = function(_) {
+      if (!arguments.length) return target;
+      target = _, target_ = typeof _ === "function" ? null : _;
+      return greatArc;
+    };
+    greatArc.precision = function() {
+      return arguments.length ? greatArc : 0;
+    };
+    return greatArc;
+  };
+  d3.geo.interpolate = function(source, target) {
+    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
+  };
+  function d3_geo_interpolate(x0, y0, x1, y1) {
+    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
+    var interpolate = d ? function(t) {
+      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
+    } : function() {
+      return [ x0 * d3_degrees, y0 * d3_degrees ];
+    };
+    interpolate.distance = d;
+    return interpolate;
+  }
+  d3.geo.length = function(object) {
+    d3_geo_lengthSum = 0;
+    d3.geo.stream(object, d3_geo_length);
+    return d3_geo_lengthSum;
+  };
+  var d3_geo_lengthSum;
+  var d3_geo_length = {
+    sphere: d3_noop,
+    point: d3_noop,
+    lineStart: d3_geo_lengthLineStart,
+    lineEnd: d3_noop,
+    polygonStart: d3_noop,
+    polygonEnd: d3_noop
+  };
+  function d3_geo_lengthLineStart() {
+    var λ0, sinφ0, cosφ0;
+    d3_geo_length.point = function(λ, φ) {
+      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
+      d3_geo_length.point = nextPoint;
+    };
+    d3_geo_length.lineEnd = function() {
+      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
+    };
+    function nextPoint(λ, φ) {
+      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
+      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
+      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
+    }
+  }
+  function d3_geo_azimuthal(scale, angle) {
+    function azimuthal(λ, φ) {
+      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
+      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
+    }
+    azimuthal.invert = function(x, y) {
+      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
+      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
+    };
+    return azimuthal;
+  }
+  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
+    return Math.sqrt(2 / (1 + cosλcosφ));
+  }, function(ρ) {
+    return 2 * Math.asin(ρ / 2);
+  });
+  (d3.geo.azimuthalEqualArea = function() {
+    return d3_geo_projection(d3_geo_azimuthalEqualArea);
+  }).raw = d3_geo_azimuthalEqualArea;
+  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
+    var c = Math.acos(cosλcosφ);
+    return c && c / Math.sin(c);
+  }, d3_identity);
+  (d3.geo.azimuthalEquidistant = function() {
+    return d3_geo_projection(d3_geo_azimuthalEquidistant);
+  }).raw = d3_geo_azimuthalEquidistant;
+  function d3_geo_conicConformal(φ0, φ1) {
+    var cosφ0 = Math.cos(φ0), t = function(φ) {
+      return Math.tan(π / 4 + φ / 2);
+    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
+    if (!n) return d3_geo_mercator;
+    function forward(λ, φ) {
+      if (F > 0) {
+        if (φ < -halfπ + ε) φ = -halfπ + ε;
+      } else {
+        if (φ > halfπ - ε) φ = halfπ - ε;
+      }
+      var ρ = F / Math.pow(t(φ), n);
+      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
+      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
+    };
+    return forward;
+  }
+  (d3.geo.conicConformal = function() {
+    return d3_geo_conic(d3_geo_conicConformal);
+  }).raw = d3_geo_conicConformal;
+  function d3_geo_conicEquidistant(φ0, φ1) {
+    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
+    if (abs(n) < ε) return d3_geo_equirectangular;
+    function forward(λ, φ) {
+      var ρ = G - φ;
+      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
+    }
+    forward.invert = function(x, y) {
+      var ρ0_y = G - y;
+      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
+    };
+    return forward;
+  }
+  (d3.geo.conicEquidistant = function() {
+    return d3_geo_conic(d3_geo_conicEquidistant);
+  }).raw = d3_geo_conicEquidistant;
+  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
+    return 1 / cosλcosφ;
+  }, Math.atan);
+  (d3.geo.gnomonic = function() {
+    return d3_geo_projection(d3_geo_gnomonic);
+  }).raw = d3_geo_gnomonic;
+  function d3_geo_mercator(λ, φ) {
+    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
+  }
+  d3_geo_mercator.invert = function(x, y) {
+    return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
+  };
+  function d3_geo_mercatorProjection(project) {
+    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
+    m.scale = function() {
+      var v = scale.apply(m, arguments);
+      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+    };
+    m.translate = function() {
+      var v = translate.apply(m, arguments);
+      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+    };
+    m.clipExtent = function(_) {
+      var v = clipExtent.apply(m, arguments);
+      if (v === m) {
+        if (clipAuto = _ == null) {
+          var k = π * scale(), t = translate();
+          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
+        }
+      } else if (clipAuto) {
+        v = null;
+      }
+      return v;
+    };
+    return m.clipExtent(null);
+  }
+  (d3.geo.mercator = function() {
+    return d3_geo_mercatorProjection(d3_geo_mercator);
+  }).raw = d3_geo_mercator;
+  var d3_geo_orthographic = d3_geo_azimuthal(function() {
+    return 1;
+  }, Math.asin);
+  (d3.geo.orthographic = function() {
+    return d3_geo_projection(d3_geo_orthographic);
+  }).raw = d3_geo_orthographic;
+  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
+    return 1 / (1 + cosλcosφ);
+  }, function(ρ) {
+    return 2 * Math.atan(ρ);
+  });
+  (d3.geo.stereographic = function() {
+    return d3_geo_projection(d3_geo_stereographic);
+  }).raw = d3_geo_stereographic;
+  function d3_geo_transverseMercator(λ, φ) {
+    return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
+  }
+  d3_geo_transverseMercator.invert = function(x, y) {
+    return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
+  };
+  (d3.geo.transverseMercator = function() {
+    var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
+    projection.center = function(_) {
+      return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ -_[1], _[0] ]);
+    };
+    projection.rotate = function(_) {
+      return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), 
+      [ _[0], _[1], _[2] - 90 ]);
+    };
+    return projection.rotate([ 0, 0 ]);
+  }).raw = d3_geo_transverseMercator;
+  d3.geom = {};
+  function d3_geom_pointX(d) {
+    return d[0];
+  }
+  function d3_geom_pointY(d) {
+    return d[1];
+  }
+  d3.geom.hull = function(vertices) {
+    var x = d3_geom_pointX, y = d3_geom_pointY;
+    if (arguments.length) return hull(vertices);
+    function hull(data) {
+      if (data.length < 3) return [];
+      var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
+      for (i = 0; i < n; i++) {
+        points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
+      }
+      points.sort(d3_geom_hullOrder);
+      for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
+      var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
+      var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
+      for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
+      for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
+      return polygon;
+    }
+    hull.x = function(_) {
+      return arguments.length ? (x = _, hull) : x;
+    };
+    hull.y = function(_) {
+      return arguments.length ? (y = _, hull) : y;
+    };
+    return hull;
+  };
+  function d3_geom_hullUpper(points) {
+    var n = points.length, hull = [ 0, 1 ], hs = 2;
+    for (var i = 2; i < n; i++) {
+      while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
+      hull[hs++] = i;
+    }
+    return hull.slice(0, hs);
+  }
+  function d3_geom_hullOrder(a, b) {
+    return a[0] - b[0] || a[1] - b[1];
+  }
+  d3.geom.polygon = function(coordinates) {
+    d3_subclass(coordinates, d3_geom_polygonPrototype);
+    return coordinates;
+  };
+  var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
+  d3_geom_polygonPrototype.area = function() {
+    var i = -1, n = this.length, a, b = this[n - 1], area = 0;
+    while (++i < n) {
+      a = b;
+      b = this[i];
+      area += a[1] * b[0] - a[0] * b[1];
+    }
+    return area * .5;
+  };
+  d3_geom_polygonPrototype.centroid = function(k) {
+    var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
+    if (!arguments.length) k = -1 / (6 * this.area());
+    while (++i < n) {
+      a = b;
+      b = this[i];
+      c = a[0] * b[1] - b[0] * a[1];
+      x += (a[0] + b[0]) * c;
+      y += (a[1] + b[1]) * c;
+    }
+    return [ x * k, y * k ];
+  };
+  d3_geom_polygonPrototype.clip = function(subject) {
+    var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
+    while (++i < n) {
+      input = subject.slice();
+      subject.length = 0;
+      b = this[i];
+      c = input[(m = input.length - closed) - 1];
+      j = -1;
+      while (++j < m) {
+        d = input[j];
+        if (d3_geom_polygonInside(d, a, b)) {
+          if (!d3_geom_polygonInside(c, a, b)) {
+            subject.push(d3_geom_polygonIntersect(c, d, a, b));
+          }
+          subject.push(d);
+        } else if (d3_geom_polygonInside(c, a, b)) {
+          subject.push(d3_geom_polygonIntersect(c, d, a, b));
+        }
+        c = d;
+      }
+      if (closed) subject.push(subject[0]);
+      a = b;
+    }
+    return subject;
+  };
+  function d3_geom_polygonInside(p, a, b) {
+    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+  }
+  function d3_geom_polygonIntersect(c, d, a, b) {
+    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
+    return [ x1 + ua * x21, y1 + ua * y21 ];
+  }
+  function d3_geom_polygonClosed(coordinates) {
+    var a = coordinates[0], b = coordinates[coordinates.length - 1];
+    return !(a[0] - b[0] || a[1] - b[1]);
+  }
+  var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
+  function d3_geom_voronoiBeach() {
+    d3_geom_voronoiRedBlackNode(this);
+    this.edge = this.site = this.circle = null;
+  }
+  function d3_geom_voronoiCreateBeach(site) {
+    var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
+    beach.site = site;
+    return beach;
+  }
+  function d3_geom_voronoiDetachBeach(beach) {
+    d3_geom_voronoiDetachCircle(beach);
+    d3_geom_voronoiBeaches.remove(beach);
+    d3_geom_voronoiBeachPool.push(beach);
+    d3_geom_voronoiRedBlackNode(beach);
+  }
+  function d3_geom_voronoiRemoveBeach(beach) {
+    var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
+      x: x,
+      y: y
+    }, previous = beach.P, next = beach.N, disappearing = [ beach ];
+    d3_geom_voronoiDetachBeach(beach);
+    var lArc = previous;
+    while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
+      previous = lArc.P;
+      disappearing.unshift(lArc);
+      d3_geom_voronoiDetachBeach(lArc);
+      lArc = previous;
+    }
+    disappearing.unshift(lArc);
+    d3_geom_voronoiDetachCircle(lArc);
+    var rArc = next;
+    while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
+      next = rArc.N;
+      disappearing.push(rArc);
+      d3_geom_voronoiDetachBeach(rArc);
+      rArc = next;
+    }
+    disappearing.push(rArc);
+    d3_geom_voronoiDetachCircle(rArc);
+    var nArcs = disappearing.length, iArc;
+    for (iArc = 1; iArc < nArcs; ++iArc) {
+      rArc = disappearing[iArc];
+      lArc = disappearing[iArc - 1];
+      d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
+    }
+    lArc = disappearing[0];
+    rArc = disappearing[nArcs - 1];
+    rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
+    d3_geom_voronoiAttachCircle(lArc);
+    d3_geom_voronoiAttachCircle(rArc);
+  }
+  function d3_geom_voronoiAddBeach(site) {
+    var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
+    while (node) {
+      dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
+      if (dxl > ε) node = node.L; else {
+        dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
+        if (dxr > ε) {
+          if (!node.R) {
+            lArc = node;
+            break;
+          }
+          node = node.R;
+        } else {
+          if (dxl > -ε) {
+            lArc = node.P;
+            rArc = node;
+          } else if (dxr > -ε) {
+            lArc = node;
+            rArc = node.N;
+          } else {
+            lArc = rArc = node;
+          }
+          break;
+        }
+      }
+    }
+    var newArc = d3_geom_voronoiCreateBeach(site);
+    d3_geom_voronoiBeaches.insert(lArc, newArc);
+    if (!lArc && !rArc) return;
+    if (lArc === rArc) {
+      d3_geom_voronoiDetachCircle(lArc);
+      rArc = d3_geom_voronoiCreateBeach(lArc.site);
+      d3_geom_voronoiBeaches.insert(newArc, rArc);
+      newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
+      d3_geom_voronoiAttachCircle(lArc);
+      d3_geom_voronoiAttachCircle(rArc);
+      return;
+    }
+    if (!rArc) {
+      newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
+      return;
+    }
+    d3_geom_voronoiDetachCircle(lArc);
+    d3_geom_voronoiDetachCircle(rArc);
+    var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
+      x: (cy * hb - by * hc) / d + ax,
+      y: (bx * hc - cx * hb) / d + ay
+    };
+    d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
+    newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
+    rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
+    d3_geom_voronoiAttachCircle(lArc);
+    d3_geom_voronoiAttachCircle(rArc);
+  }
+  function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
+    var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
+    if (!pby2) return rfocx;
+    var lArc = arc.P;
+    if (!lArc) return -Infinity;
+    site = lArc.site;
+    var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
+    if (!plby2) return lfocx;
+    var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
+    if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
+    return (rfocx + lfocx) / 2;
+  }
+  function d3_geom_voronoiRightBreakPoint(arc, directrix) {
+    var rArc = arc.N;
+    if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
+    var site = arc.site;
+    return site.y === directrix ? site.x : Infinity;
+  }
+  function d3_geom_voronoiCell(site) {
+    this.site = site;
+    this.edges = [];
+  }
+  d3_geom_voronoiCell.prototype.prepare = function() {
+    var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
+    while (iHalfEdge--) {
+      edge = halfEdges[iHalfEdge].edge;
+      if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
+    }
+    halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
+    return halfEdges.length;
+  };
+  function d3_geom_voronoiCloseCells(extent) {
+    var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
+    while (iCell--) {
+      cell = cells[iCell];
+      if (!cell || !cell.prepare()) continue;
+      halfEdges = cell.edges;
+      nHalfEdges = halfEdges.length;
+      iHalfEdge = 0;
+      while (iHalfEdge < nHalfEdges) {
+        end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
+        start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
+        if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
+          halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
+            x: x0,
+            y: abs(x2 - x0) < ε ? y2 : y1
+          } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
+            x: abs(y2 - y1) < ε ? x2 : x1,
+            y: y1
+          } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
+            x: x1,
+            y: abs(x2 - x1) < ε ? y2 : y0
+          } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
+            x: abs(y2 - y0) < ε ? x2 : x0,
+            y: y0
+          } : null), cell.site, null));
+          ++nHalfEdges;
+        }
+      }
+    }
+  }
+  function d3_geom_voronoiHalfEdgeOrder(a, b) {
+    return b.angle - a.angle;
+  }
+  function d3_geom_voronoiCircle() {
+    d3_geom_voronoiRedBlackNode(this);
+    this.x = this.y = this.arc = this.site = this.cy = null;
+  }
+  function d3_geom_voronoiAttachCircle(arc) {
+    var lArc = arc.P, rArc = arc.N;
+    if (!lArc || !rArc) return;
+    var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
+    if (lSite === rSite) return;
+    var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
+    var d = 2 * (ax * cy - ay * cx);
+    if (d >= -ε2) return;
+    var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
+    var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
+    circle.arc = arc;
+    circle.site = cSite;
+    circle.x = x + bx;
+    circle.y = cy + Math.sqrt(x * x + y * y);
+    circle.cy = cy;
+    arc.circle = circle;
+    var before = null, node = d3_geom_voronoiCircles._;
+    while (node) {
+      if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
+        if (node.L) node = node.L; else {
+          before = node.P;
+          break;
+        }
+      } else {
+        if (node.R) node = node.R; else {
+          before = node;
+          break;
+        }
+      }
+    }
+    d3_geom_voronoiCircles.insert(before, circle);
+    if (!before) d3_geom_voronoiFirstCircle = circle;
+  }
+  function d3_geom_voronoiDetachCircle(arc) {
+    var circle = arc.circle;
+    if (circle) {
+      if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
+      d3_geom_voronoiCircles.remove(circle);
+      d3_geom_voronoiCirclePool.push(circle);
+      d3_geom_voronoiRedBlackNode(circle);
+      arc.circle = null;
+    }
+  }
+  function d3_geom_voronoiClipEdges(extent) {
+    var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
+    while (i--) {
+      e = edges[i];
+      if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
+        e.a = e.b = null;
+        edges.splice(i, 1);
+      }
+    }
+  }
+  function d3_geom_voronoiConnectEdge(edge, extent) {
+    var vb = edge.b;
+    if (vb) return true;
+    var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
+    if (ry === ly) {
+      if (fx < x0 || fx >= x1) return;
+      if (lx > rx) {
+        if (!va) va = {
+          x: fx,
+          y: y0
+        }; else if (va.y >= y1) return;
+        vb = {
+          x: fx,
+          y: y1
+        };
+      } else {
+        if (!va) va = {
+          x: fx,
+          y: y1
+        }; else if (va.y < y0) return;
+        vb = {
+          x: fx,
+          y: y0
+        };
+      }
+    } else {
+      fm = (lx - rx) / (ry - ly);
+      fb = fy - fm * fx;
+      if (fm < -1 || fm > 1) {
+        if (lx > rx) {
+          if (!va) va = {
+            x: (y0 - fb) / fm,
+            y: y0
+          }; else if (va.y >= y1) return;
+          vb = {
+            x: (y1 - fb) / fm,
+            y: y1
+          };
+        } else {
+          if (!va) va = {
+            x: (y1 - fb) / fm,
+            y: y1
+          }; else if (va.y < y0) return;
+          vb = {
+            x: (y0 - fb) / fm,
+            y: y0
+          };
+        }
+      } else {
+        if (ly < ry) {
+          if (!va) va = {
+            x: x0,
+            y: fm * x0 + fb
+          }; else if (va.x >= x1) return;
+          vb = {
+            x: x1,
+            y: fm * x1 + fb
+          };
+        } else {
+          if (!va) va = {
+            x: x1,
+            y: fm * x1 + fb
+          }; else if (va.x < x0) return;
+          vb = {
+            x: x0,
+            y: fm * x0 + fb
+          };
+        }
+      }
+    }
+    edge.a = va;
+    edge.b = vb;
+    return true;
+  }
+  function d3_geom_voronoiEdge(lSite, rSite) {
+    this.l = lSite;
+    this.r = rSite;
+    this.a = this.b = null;
+  }
+  function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
+    var edge = new d3_geom_voronoiEdge(lSite, rSite);
+    d3_geom_voronoiEdges.push(edge);
+    if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
+    if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
+    d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
+    d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
+    return edge;
+  }
+  function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
+    var edge = new d3_geom_voronoiEdge(lSite, null);
+    edge.a = va;
+    edge.b = vb;
+    d3_geom_voronoiEdges.push(edge);
+    return edge;
+  }
+  function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
+    if (!edge.a && !edge.b) {
+      edge.a = vertex;
+      edge.l = lSite;
+      edge.r = rSite;
+    } else if (edge.l === rSite) {
+      edge.b = vertex;
+    } else {
+      edge.a = vertex;
+    }
+  }
+  function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
+    var va = edge.a, vb = edge.b;
+    this.edge = edge;
+    this.site = lSite;
+    this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
+  }
+  d3_geom_voronoiHalfEdge.prototype = {
+    start: function() {
+      return this.edge.l === this.site ? this.edge.a : this.edge.b;
+    },
+    end: function() {
+      return this.edge.l === this.site ? this.edge.b : this.edge.a;
+    }
+  };
+  function d3_geom_voronoiRedBlackTree() {
+    this._ = null;
+  }
+  function d3_geom_voronoiRedBlackNode(node) {
+    node.U = node.C = node.L = node.R = node.P = node.N = null;
+  }
+  d3_geom_voronoiRedBlackTree.prototype = {
+    insert: function(after, node) {
+      var parent, grandpa, uncle;
+      if (after) {
+        node.P = after;
+        node.N = after.N;
+        if (after.N) after.N.P = node;
+        after.N = node;
+        if (after.R) {
+          after = after.R;
+          while (after.L) after = after.L;
+          after.L = node;
+        } else {
+          after.R = node;
+        }
+        parent = after;
+      } else if (this._) {
+        after = d3_geom_voronoiRedBlackFirst(this._);
+        node.P = null;
+        node.N = after;
+        after.P = after.L = node;
+        parent = after;
+      } else {
+        node.P = node.N = null;
+        this._ = node;
+        parent = null;
+      }
+      node.L = node.R = null;
+      node.U = parent;
+      node.C = true;
+      after = node;
+      while (parent && parent.C) {
+        grandpa = parent.U;
+        if (parent === grandpa.L) {
+          uncle = grandpa.R;
+          if (uncle && uncle.C) {
+            parent.C = uncle.C = false;
+            grandpa.C = true;
+            after = grandpa;
+          } else {
+            if (after === parent.R) {
+              d3_geom_voronoiRedBlackRotateLeft(this, parent);
+              after = parent;
+              parent = after.U;
+            }
+            parent.C = false;
+            grandpa.C = true;
+            d3_geom_voronoiRedBlackRotateRight(this, grandpa);
+          }
+        } else {
+          uncle = grandpa.L;
+          if (uncle && uncle.C) {
+            parent.C = uncle.C = false;
+            grandpa.C = true;
+            after = grandpa;
+          } else {
+            if (after === parent.L) {
+              d3_geom_voronoiRedBlackRotateRight(this, parent);
+              after = parent;
+              parent = after.U;
+            }
+            parent.C = false;
+            grandpa.C = true;
+            d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
+          }
+        }
+        parent = after.U;
+      }
+      this._.C = false;
+    },
+    remove: function(node) {
+      if (node.N) node.N.P = node.P;
+      if (node.P) node.P.N = node.N;
+      node.N = node.P = null;
+      var parent = node.U, sibling, left = node.L, right = node.R, next, red;
+      if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
+      if (parent) {
+        if (parent.L === node) parent.L = next; else parent.R = next;
+      } else {
+        this._ = next;
+      }
+      if (left && right) {
+        red = next.C;
+        next.C = node.C;
+        next.L = left;
+        left.U = next;
+        if (next !== right) {
+          parent = next.U;
+          next.U = node.U;
+          node = next.R;
+          parent.L = node;
+          next.R = right;
+          right.U = next;
+        } else {
+          next.U = parent;
+          parent = next;
+          node = next.R;
+        }
+      } else {
+        red = node.C;
+        node = next;
+      }
+      if (node) node.U = parent;
+      if (red) return;
+      if (node && node.C) {
+        node.C = false;
+        return;
+      }
+      do {
+        if (node === this._) break;
+        if (node === parent.L) {
+          sibling = parent.R;
+          if (sibling.C) {
+            sibling.C = false;
+            parent.C = true;
+            d3_geom_voronoiRedBlackRotateLeft(this, parent);
+            sibling = parent.R;
+          }
+          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
+            if (!sibling.R || !sibling.R.C) {
+              sibling.L.C = false;
+              sibling.C = true;
+              d3_geom_voronoiRedBlackRotateRight(this, sibling);
+              sibling = parent.R;
+            }
+            sibling.C = parent.C;
+            parent.C = sibling.R.C = false;
+            d3_geom_voronoiRedBlackRotateLeft(this, parent);
+            node = this._;
+            break;
+          }
+        } else {
+          sibling = parent.L;
+          if (sibling.C) {
+            sibling.C = false;
+            parent.C = true;
+            d3_geom_voronoiRedBlackRotateRight(this, parent);
+            sibling = parent.L;
+          }
+          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
+            if (!sibling.L || !sibling.L.C) {
+              sibling.R.C = false;
+              sibling.C = true;
+              d3_geom_voronoiRedBlackRotateLeft(this, sibling);
+              sibling = parent.L;
+            }
+            sibling.C = parent.C;
+            parent.C = sibling.L.C = false;
+            d3_geom_voronoiRedBlackRotateRight(this, parent);
+            node = this._;
+            break;
+          }
+        }
+        sibling.C = true;
+        node = parent;
+        parent = parent.U;
+      } while (!node.C);
+      if (node) node.C = false;
+    }
+  };
+  function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
+    var p = node, q = node.R, parent = p.U;
+    if (parent) {
+      if (parent.L === p) parent.L = q; else parent.R = q;
+    } else {
+      tree._ = q;
+    }
+    q.U = parent;
+    p.U = q;
+    p.R = q.L;
+    if (p.R) p.R.U = p;
+    q.L = p;
+  }
+  function d3_geom_voronoiRedBlackRotateRight(tree, node) {
+    var p = node, q = node.L, parent = p.U;
+    if (parent) {
+      if (parent.L === p) parent.L = q; else parent.R = q;
+    } else {
+      tree._ = q;
+    }
+    q.U = parent;
+    p.U = q;
+    p.L = q.R;
+    if (p.L) p.L.U = p;
+    q.R = p;
+  }
+  function d3_geom_voronoiRedBlackFirst(node) {
+    while (node.L) node = node.L;
+    return node;
+  }
+  function d3_geom_voronoi(sites, bbox) {
+    var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
+    d3_geom_voronoiEdges = [];
+    d3_geom_voronoiCells = new Array(sites.length);
+    d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
+    d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
+    while (true) {
+      circle = d3_geom_voronoiFirstCircle;
+      if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
+        if (site.x !== x0 || site.y !== y0) {
+          d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
+          d3_geom_voronoiAddBeach(site);
+          x0 = site.x, y0 = site.y;
+        }
+        site = sites.pop();
+      } else if (circle) {
+        d3_geom_voronoiRemoveBeach(circle.arc);
+      } else {
+        break;
+      }
+    }
+    if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
+    var diagram = {
+      cells: d3_geom_voronoiCells,
+      edges: d3_geom_voronoiEdges
+    };
+    d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
+    return diagram;
+  }
+  function d3_geom_voronoiVertexOrder(a, b) {
+    return b.y - a.y || b.x - a.x;
+  }
+  d3.geom.voronoi = function(points) {
+    var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
+    if (points) return voronoi(points);
+    function voronoi(data) {
+      var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
+      d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
+        var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
+          var s = e.start();
+          return [ s.x, s.y ];
+        }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
+        polygon.point = data[i];
+      });
+      return polygons;
+    }
+    function sites(data) {
+      return data.map(function(d, i) {
+        return {
+          x: Math.round(fx(d, i) / ε) * ε,
+          y: Math.round(fy(d, i) / ε) * ε,
+          i: i
+        };
+      });
+    }
+    voronoi.links = function(data) {
+      return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
+        return edge.l && edge.r;
+      }).map(function(edge) {
+        return {
+          source: data[edge.l.i],
+          target: data[edge.r.i]
+        };
+      });
+    };
+    voronoi.triangles = function(data) {
+      var triangles = [];
+      d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
+        var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
+        while (++j < m) {
+          e0 = e1;
+          s0 = s1;
+          e1 = edges[j].edge;
+          s1 = e1.l === site ? e1.r : e1.l;
+          if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
+            triangles.push([ data[i], data[s0.i], data[s1.i] ]);
+          }
+        }
+      });
+      return triangles;
+    };
+    voronoi.x = function(_) {
+      return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
+    };
+    voronoi.y = function(_) {
+      return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
+    };
+    voronoi.clipExtent = function(_) {
+      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
+      clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
+      return voronoi;
+    };
+    voronoi.size = function(_) {
+      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
+      return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
+    };
+    return voronoi;
+  };
+  var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
+  function d3_geom_voronoiTriangleArea(a, b, c) {
+    return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
+  }
+  d3.geom.delaunay = function(vertices) {
+    return d3.geom.voronoi().triangles(vertices);
+  };
+  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+    var x = d3_geom_pointX, y = d3_geom_pointY, compat;
+    if (compat = arguments.length) {
+      x = d3_geom_quadtreeCompatX;
+      y = d3_geom_quadtreeCompatY;
+      if (compat === 3) {
+        y2 = y1;
+        x2 = x1;
+        y1 = x1 = 0;
+      }
+      return quadtree(points);
+    }
+    function quadtree(data) {
+      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
+      if (x1 != null) {
+        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
+      } else {
+        x2_ = y2_ = -(x1_ = y1_ = Infinity);
+        xs = [], ys = [];
+        n = data.length;
+        if (compat) for (i = 0; i < n; ++i) {
+          d = data[i];
+          if (d.x < x1_) x1_ = d.x;
+          if (d.y < y1_) y1_ = d.y;
+          if (d.x > x2_) x2_ = d.x;
+          if (d.y > y2_) y2_ = d.y;
+          xs.push(d.x);
+          ys.push(d.y);
+        } else for (i = 0; i < n; ++i) {
+          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
+          if (x_ < x1_) x1_ = x_;
+          if (y_ < y1_) y1_ = y_;
+          if (x_ > x2_) x2_ = x_;
+          if (y_ > y2_) y2_ = y_;
+          xs.push(x_);
+          ys.push(y_);
+        }
+      }
+      var dx = x2_ - x1_, dy = y2_ - y1_;
+      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
+      function insert(n, d, x, y, x1, y1, x2, y2) {
+        if (isNaN(x) || isNaN(y)) return;
+        if (n.leaf) {
+          var nx = n.x, ny = n.y;
+          if (nx != null) {
+            if (abs(nx - x) + abs(ny - y) < .01) {
+              insertChild(n, d, x, y, x1, y1, x2, y2);
+            } else {
+              var nPoint = n.point;
+              n.x = n.y = n.point = null;
+              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
+              insertChild(n, d, x, y, x1, y1, x2, y2);
+            }
+          } else {
+            n.x = x, n.y = y, n.point = d;
+          }
+        } else {
+          insertChild(n, d, x, y, x1, y1, x2, y2);
+        }
+      }
+      function insertChild(n, d, x, y, x1, y1, x2, y2) {
+        var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = x >= sx, bottom = y >= sy, i = (bottom << 1) + right;
+        n.leaf = false;
+        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+        if (right) x1 = sx; else x2 = sx;
+        if (bottom) y1 = sy; else y2 = sy;
+        insert(n, d, x, y, x1, y1, x2, y2);
+      }
+      var root = d3_geom_quadtreeNode();
+      root.add = function(d) {
+        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
+      };
+      root.visit = function(f) {
+        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
+      };
+      i = -1;
+      if (x1 == null) {
+        while (++i < n) {
+          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
+        }
+        --i;
+      } else data.forEach(root.add);
+      xs = ys = data = d = null;
+      return root;
+    }
+    quadtree.x = function(_) {
+      return arguments.length ? (x = _, quadtree) : x;
+    };
+    quadtree.y = function(_) {
+      return arguments.length ? (y = _, quadtree) : y;
+    };
+    quadtree.extent = function(_) {
+      if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
+      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], 
+      y2 = +_[1][1];
+      return quadtree;
+    };
+    quadtree.size = function(_) {
+      if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
+      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
+      return quadtree;
+    };
+    return quadtree;
+  };
+  function d3_geom_quadtreeCompatX(d) {
+    return d.x;
+  }
+  function d3_geom_quadtreeCompatY(d) {
+    return d.y;
+  }
+  function d3_geom_quadtreeNode() {
+    return {
+      leaf: true,
+      nodes: [],
+      point: null,
+      x: null,
+      y: null
+    };
+  }
+  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+    if (!f(node, x1, y1, x2, y2)) {
+      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+    }
+  }
+  d3.interpolateRgb = d3_interpolateRgb;
+  function d3_interpolateRgb(a, b) {
+    a = d3.rgb(a);
+    b = d3.rgb(b);
+    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+    return function(t) {
+      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
+    };
+  }
+  d3.interpolateObject = d3_interpolateObject;
+  function d3_interpolateObject(a, b) {
+    var i = {}, c = {}, k;
+    for (k in a) {
+      if (k in b) {
+        i[k] = d3_interpolate(a[k], b[k]);
+      } else {
+        c[k] = a[k];
+      }
+    }
+    for (k in b) {
+      if (!(k in a)) {
+        c[k] = b[k];
+      }
+    }
+    return function(t) {
+      for (k in i) c[k] = i[k](t);
+      return c;
+    };
+  }
+  d3.interpolateNumber = d3_interpolateNumber;
+  function d3_interpolateNumber(a, b) {
+    b -= a = +a;
+    return function(t) {
+      return a + b * t;
+    };
+  }
+  d3.interpolateString = d3_interpolateString;
+  function d3_interpolateString(a, b) {
+    var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
+    a = a + "", b = b + "";
+    d3_interpolate_number.lastIndex = 0;
+    for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
+      if (m.index) s.push(b.substring(s0, s1 = m.index));
+      q.push({
+        i: s.length,
+        x: m[0]
+      });
+      s.push(null);
+      s0 = d3_interpolate_number.lastIndex;
+    }
+    if (s0 < b.length) s.push(b.substring(s0));
+    for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
+      o = q[i];
+      if (o.x == m[0]) {
+        if (o.i) {
+          if (s[o.i + 1] == null) {
+            s[o.i - 1] += o.x;
+            s.splice(o.i, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          } else {
+            s[o.i - 1] += o.x + s[o.i + 1];
+            s.splice(o.i, 2);
+            for (j = i + 1; j < n; ++j) q[j].i -= 2;
+          }
+        } else {
+          if (s[o.i + 1] == null) {
+            s[o.i] = o.x;
+          } else {
+            s[o.i] = o.x + s[o.i + 1];
+            s.splice(o.i + 1, 1);
+            for (j = i + 1; j < n; ++j) q[j].i--;
+          }
+        }
+        q.splice(i, 1);
+        n--;
+        i--;
+      } else {
+        o.x = d3_interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
+      }
+    }
+    while (i < n) {
+      o = q.pop();
+      if (s[o.i + 1] == null) {
+        s[o.i] = o.x;
+      } else {
+        s[o.i] = o.x + s[o.i + 1];
+        s.splice(o.i + 1, 1);
+      }
+      n--;
+    }
+    if (s.length === 1) {
+      return s[0] == null ? (o = q[0].x, function(t) {
+        return o(t) + "";
+      }) : function() {
+        return b;
+      };
+    }
+    return function(t) {
+      for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  }
+  var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
+  d3.interpolate = d3_interpolate;
+  function d3_interpolate(a, b) {
+    var i = d3.interpolators.length, f;
+    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+    return f;
+  }
+  d3.interpolators = [ function(a, b) {
+    var t = typeof b;
+    return (t === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_Color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
+  } ];
+  d3.interpolateArray = d3_interpolateArray;
+  function d3_interpolateArray(a, b) {
+    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
+    for (;i < na; ++i) c[i] = a[i];
+    for (;i < nb; ++i) c[i] = b[i];
+    return function(t) {
+      for (i = 0; i < n0; ++i) c[i] = x[i](t);
+      return c;
+    };
+  }
+  var d3_ease_default = function() {
+    return d3_identity;
+  };
+  var d3_ease = d3.map({
+    linear: d3_ease_default,
+    poly: d3_ease_poly,
+    quad: function() {
+      return d3_ease_quad;
+    },
+    cubic: function() {
+      return d3_ease_cubic;
+    },
+    sin: function() {
+      return d3_ease_sin;
+    },
+    exp: function() {
+      return d3_ease_exp;
+    },
+    circle: function() {
+      return d3_ease_circle;
+    },
+    elastic: d3_ease_elastic,
+    back: d3_ease_back,
+    bounce: function() {
+      return d3_ease_bounce;
+    }
+  });
+  var d3_ease_mode = d3.map({
+    "in": d3_identity,
+    out: d3_ease_reverse,
+    "in-out": d3_ease_reflect,
+    "out-in": function(f) {
+      return d3_ease_reflect(d3_ease_reverse(f));
+    }
+  });
+  d3.ease = function(name) {
+    var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in";
+    t = d3_ease.get(t) || d3_ease_default;
+    m = d3_ease_mode.get(m) || d3_identity;
+    return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
+  };
+  function d3_ease_clamp(f) {
+    return function(t) {
+      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+    };
+  }
+  function d3_ease_reverse(f) {
+    return function(t) {
+      return 1 - f(1 - t);
+    };
+  }
+  function d3_ease_reflect(f) {
+    return function(t) {
+      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+    };
+  }
+  function d3_ease_quad(t) {
+    return t * t;
+  }
+  function d3_ease_cubic(t) {
+    return t * t * t;
+  }
+  function d3_ease_cubicInOut(t) {
+    if (t <= 0) return 0;
+    if (t >= 1) return 1;
+    var t2 = t * t, t3 = t2 * t;
+    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
+  }
+  function d3_ease_poly(e) {
+    return function(t) {
+      return Math.pow(t, e);
+    };
+  }
+  function d3_ease_sin(t) {
+    return 1 - Math.cos(t * halfπ);
+  }
+  function d3_ease_exp(t) {
+    return Math.pow(2, 10 * (t - 1));
+  }
+  function d3_ease_circle(t) {
+    return 1 - Math.sqrt(1 - t * t);
+  }
+  function d3_ease_elastic(a, p) {
+    var s;
+    if (arguments.length < 2) p = .45;
+    if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
+    return function(t) {
+      return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
+    };
+  }
+  function d3_ease_back(s) {
+    if (!s) s = 1.70158;
+    return function(t) {
+      return t * t * ((s + 1) * t - s);
+    };
+  }
+  function d3_ease_bounce(t) {
+    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+  }
+  d3.interpolateHcl = d3_interpolateHcl;
+  function d3_interpolateHcl(a, b) {
+    a = d3.hcl(a);
+    b = d3.hcl(b);
+    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+    if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
+    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+    return function(t) {
+      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+    };
+  }
+  d3.interpolateHsl = d3_interpolateHsl;
+  function d3_interpolateHsl(a, b) {
+    a = d3.hsl(a);
+    b = d3.hsl(b);
+    var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
+    if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
+    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+    return function(t) {
+      return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
+    };
+  }
+  d3.interpolateLab = d3_interpolateLab;
+  function d3_interpolateLab(a, b) {
+    a = d3.lab(a);
+    b = d3.lab(b);
+    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+    return function(t) {
+      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+    };
+  }
+  d3.interpolateRound = d3_interpolateRound;
+  function d3_interpolateRound(a, b) {
+    b -= a;
+    return function(t) {
+      return Math.round(a + b * t);
+    };
+  }
+  d3.transform = function(string) {
+    var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
+    return (d3.transform = function(string) {
+      if (string != null) {
+        g.setAttribute("transform", string);
+        var t = g.transform.baseVal.consolidate();
+      }
+      return new d3_transform(t ? t.matrix : d3_transformIdentity);
+    })(string);
+  };
+  function d3_transform(m) {
+    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+    if (r0[0] * r1[1] < r1[0] * r0[1]) {
+      r0[0] *= -1;
+      r0[1] *= -1;
+      kx *= -1;
+      kz *= -1;
+    }
+    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+    this.translate = [ m.e, m.f ];
+    this.scale = [ kx, ky ];
+    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+  }
+  d3_transform.prototype.toString = function() {
+    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+  };
+  function d3_transformDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1];
+  }
+  function d3_transformNormalize(a) {
+    var k = Math.sqrt(d3_transformDot(a, a));
+    if (k) {
+      a[0] /= k;
+      a[1] /= k;
+    }
+    return k;
+  }
+  function d3_transformCombine(a, b, k) {
+    a[0] += k * b[0];
+    a[1] += k * b[1];
+    return a;
+  }
+  var d3_transformIdentity = {
+    a: 1,
+    b: 0,
+    c: 0,
+    d: 1,
+    e: 0,
+    f: 0
+  };
+  d3.interpolateTransform = d3_interpolateTransform;
+  function d3_interpolateTransform(a, b) {
+    var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+    if (ta[0] != tb[0] || ta[1] != tb[1]) {
+      s.push("translate(", null, ",", null, ")");
+      q.push({
+        i: 1,
+        x: d3_interpolateNumber(ta[0], tb[0])
+      }, {
+        i: 3,
+        x: d3_interpolateNumber(ta[1], tb[1])
+      });
+    } else if (tb[0] || tb[1]) {
+      s.push("translate(" + tb + ")");
+    } else {
+      s.push("");
+    }
+    if (ra != rb) {
+      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+      q.push({
+        i: s.push(s.pop() + "rotate(", null, ")") - 2,
+        x: d3_interpolateNumber(ra, rb)
+      });
+    } else if (rb) {
+      s.push(s.pop() + "rotate(" + rb + ")");
+    }
+    if (wa != wb) {
+      q.push({
+        i: s.push(s.pop() + "skewX(", null, ")") - 2,
+        x: d3_interpolateNumber(wa, wb)
+      });
+    } else if (wb) {
+      s.push(s.pop() + "skewX(" + wb + ")");
+    }
+    if (ka[0] != kb[0] || ka[1] != kb[1]) {
+      n = s.push(s.pop() + "scale(", null, ",", null, ")");
+      q.push({
+        i: n - 4,
+        x: d3_interpolateNumber(ka[0], kb[0])
+      }, {
+        i: n - 2,
+        x: d3_interpolateNumber(ka[1], kb[1])
+      });
+    } else if (kb[0] != 1 || kb[1] != 1) {
+      s.push(s.pop() + "scale(" + kb + ")");
+    }
+    n = q.length;
+    return function(t) {
+      var i = -1, o;
+      while (++i < n) s[(o = q[i]).i] = o.x(t);
+      return s.join("");
+    };
+  }
+  function d3_uninterpolateNumber(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return (x - a) * b;
+    };
+  }
+  function d3_uninterpolateClamp(a, b) {
+    b = b - (a = +a) ? 1 / (b - a) : 0;
+    return function(x) {
+      return Math.max(0, Math.min(1, (x - a) * b));
+    };
+  }
+  d3.layout = {};
+  d3.layout.bundle = function() {
+    return function(links) {
+      var paths = [], i = -1, n = links.length;
+      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+      return paths;
+    };
+  };
+  function d3_layout_bundlePath(link) {
+    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+    while (start !== lca) {
+      start = start.parent;
+      points.push(start);
+    }
+    var k = points.length;
+    while (end !== lca) {
+      points.splice(k, 0, end);
+      end = end.parent;
+    }
+    return points;
+  }
+  function d3_layout_bundleAncestors(node) {
+    var ancestors = [], parent = node.parent;
+    while (parent != null) {
+      ancestors.push(node);
+      node = parent;
+      parent = parent.parent;
+    }
+    ancestors.push(node);
+    return ancestors;
+  }
+  function d3_layout_bundleLeastCommonAncestor(a, b) {
+    if (a === b) return a;
+    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+    while (aNode === bNode) {
+      sharedNode = aNode;
+      aNode = aNodes.pop();
+      bNode = bNodes.pop();
+    }
+    return sharedNode;
+  }
+  d3.layout.chord = function() {
+    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+    function relayout() {
+      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+      chords = [];
+      groups = [];
+      k = 0, i = -1;
+      while (++i < n) {
+        x = 0, j = -1;
+        while (++j < n) {
+          x += matrix[i][j];
+        }
+        groupSums.push(x);
+        subgroupIndex.push(d3.range(n));
+        k += x;
+      }
+      if (sortGroups) {
+        groupIndex.sort(function(a, b) {
+          return sortGroups(groupSums[a], groupSums[b]);
+        });
+      }
+      if (sortSubgroups) {
+        subgroupIndex.forEach(function(d, i) {
+          d.sort(function(a, b) {
+            return sortSubgroups(matrix[i][a], matrix[i][b]);
+          });
+        });
+      }
+      k = (τ - padding * n) / k;
+      x = 0, i = -1;
+      while (++i < n) {
+        x0 = x, j = -1;
+        while (++j < n) {
+          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+          subgroups[di + "-" + dj] = {
+            index: di,
+            subindex: dj,
+            startAngle: a0,
+            endAngle: a1,
+            value: v
+          };
+        }
+        groups[di] = {
+          index: di,
+          startAngle: x0,
+          endAngle: x,
+          value: (x - x0) / k
+        };
+        x += padding;
+      }
+      i = -1;
+      while (++i < n) {
+        j = i - 1;
+        while (++j < n) {
+          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+          if (source.value || target.value) {
+            chords.push(source.value < target.value ? {
+              source: target,
+              target: source
+            } : {
+              source: source,
+              target: target
+            });
+          }
+        }
+      }
+      if (sortChords) resort();
+    }
+    function resort() {
+      chords.sort(function(a, b) {
+        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+      });
+    }
+    chord.matrix = function(x) {
+      if (!arguments.length) return matrix;
+      n = (matrix = x) && matrix.length;
+      chords = groups = null;
+      return chord;
+    };
+    chord.padding = function(x) {
+      if (!arguments.length) return padding;
+      padding = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortGroups = function(x) {
+      if (!arguments.length) return sortGroups;
+      sortGroups = x;
+      chords = groups = null;
+      return chord;
+    };
+    chord.sortSubgroups = function(x) {
+      if (!arguments.length) return sortSubgroups;
+      sortSubgroups = x;
+      chords = null;
+      return chord;
+    };
+    chord.sortChords = function(x) {
+      if (!arguments.length) return sortChords;
+      sortChords = x;
+      if (chords) resort();
+      return chord;
+    };
+    chord.chords = function() {
+      if (!chords) relayout();
+      return chords;
+    };
+    chord.groups = function() {
+      if (!groups) relayout();
+      return groups;
+    };
+    return chord;
+  };
+  d3.layout.force = function() {
+    var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
+    function repulse(node) {
+      return function(quad, x1, _, x2) {
+        if (quad.point !== node) {
+          var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
+          if (dw * dw / theta2 < dn) {
+            if (dn < chargeDistance2) {
+              var k = quad.charge / dn;
+              node.px -= dx * k;
+              node.py -= dy * k;
+            }
+            return true;
+          }
+          if (quad.point && dn && dn < chargeDistance2) {
+            var k = quad.pointCharge / dn;
+            node.px -= dx * k;
+            node.py -= dy * k;
+          }
+        }
+        return !quad.charge;
+      };
+    }
+    force.tick = function() {
+      if ((alpha *= .99) < .005) {
+        event.end({
+          type: "end",
+          alpha: alpha = 0
+        });
+        return true;
+      }
+      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        s = o.source;
+        t = o.target;
+        x = t.x - s.x;
+        y = t.y - s.y;
+        if (l = x * x + y * y) {
+          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+          x *= l;
+          y *= l;
+          t.x -= x * (k = s.weight / (t.weight + s.weight));
+          t.y -= y * k;
+          s.x += x * (k = 1 - k);
+          s.y += y * k;
+        }
+      }
+      if (k = alpha * gravity) {
+        x = size[0] / 2;
+        y = size[1] / 2;
+        i = -1;
+        if (k) while (++i < n) {
+          o = nodes[i];
+          o.x += (x - o.x) * k;
+          o.y += (y - o.y) * k;
+        }
+      }
+      if (charge) {
+        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+        i = -1;
+        while (++i < n) {
+          if (!(o = nodes[i]).fixed) {
+            q.visit(repulse(o));
+          }
+        }
+      }
+      i = -1;
+      while (++i < n) {
+        o = nodes[i];
+        if (o.fixed) {
+          o.x = o.px;
+          o.y = o.py;
+        } else {
+          o.x -= (o.px - (o.px = o.x)) * friction;
+          o.y -= (o.py - (o.py = o.y)) * friction;
+        }
+      }
+      event.tick({
+        type: "tick",
+        alpha: alpha
+      });
+    };
+    force.nodes = function(x) {
+      if (!arguments.length) return nodes;
+      nodes = x;
+      return force;
+    };
+    force.links = function(x) {
+      if (!arguments.length) return links;
+      links = x;
+      return force;
+    };
+    force.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return force;
+    };
+    force.linkDistance = function(x) {
+      if (!arguments.length) return linkDistance;
+      linkDistance = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.distance = force.linkDistance;
+    force.linkStrength = function(x) {
+      if (!arguments.length) return linkStrength;
+      linkStrength = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.friction = function(x) {
+      if (!arguments.length) return friction;
+      friction = +x;
+      return force;
+    };
+    force.charge = function(x) {
+      if (!arguments.length) return charge;
+      charge = typeof x === "function" ? x : +x;
+      return force;
+    };
+    force.chargeDistance = function(x) {
+      if (!arguments.length) return Math.sqrt(chargeDistance2);
+      chargeDistance2 = x * x;
+      return force;
+    };
+    force.gravity = function(x) {
+      if (!arguments.length) return gravity;
+      gravity = +x;
+      return force;
+    };
+    force.theta = function(x) {
+      if (!arguments.length) return Math.sqrt(theta2);
+      theta2 = x * x;
+      return force;
+    };
+    force.alpha = function(x) {
+      if (!arguments.length) return alpha;
+      x = +x;
+      if (alpha) {
+        if (x > 0) alpha = x; else alpha = 0;
+      } else if (x > 0) {
+        event.start({
+          type: "start",
+          alpha: alpha = x
+        });
+        d3.timer(force.tick);
+      }
+      return force;
+    };
+    force.start = function() {
+      var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+      for (i = 0; i < n; ++i) {
+        (o = nodes[i]).index = i;
+        o.weight = 0;
+      }
+      for (i = 0; i < m; ++i) {
+        o = links[i];
+        if (typeof o.source == "number") o.source = nodes[o.source];
+        if (typeof o.target == "number") o.target = nodes[o.target];
+        ++o.source.weight;
+        ++o.target.weight;
+      }
+      for (i = 0; i < n; ++i) {
+        o = nodes[i];
+        if (isNaN(o.x)) o.x = position("x", w);
+        if (isNaN(o.y)) o.y = position("y", h);
+        if (isNaN(o.px)) o.px = o.x;
+        if (isNaN(o.py)) o.py = o.y;
+      }
+      distances = [];
+      if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
+      strengths = [];
+      if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
+      charges = [];
+      if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
+      function position(dimension, size) {
+        if (!neighbors) {
+          neighbors = new Array(n);
+          for (j = 0; j < n; ++j) {
+            neighbors[j] = [];
+          }
+          for (j = 0; j < m; ++j) {
+            var o = links[j];
+            neighbors[o.source.index].push(o.target);
+            neighbors[o.target.index].push(o.source);
+          }
+        }
+        var candidates = neighbors[i], j = -1, m = candidates.length, x;
+        while (++j < m) if (!isNaN(x = candidates[j][dimension])) return x;
+        return Math.random() * size;
+      }
+      return force.resume();
+    };
+    force.resume = function() {
+      return force.alpha(.1);
+    };
+    force.stop = function() {
+      return force.alpha(0);
+    };
+    force.drag = function() {
+      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
+      if (!arguments.length) return drag;
+      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+    };
+    function dragmove(d) {
+      d.px = d3.event.x, d.py = d3.event.y;
+      force.resume();
+    }
+    return d3.rebind(force, event, "on");
+  };
+  function d3_layout_forceDragstart(d) {
+    d.fixed |= 2;
+  }
+  function d3_layout_forceDragend(d) {
+    d.fixed &= ~6;
+  }
+  function d3_layout_forceMouseover(d) {
+    d.fixed |= 4;
+    d.px = d.x, d.py = d.y;
+  }
+  function d3_layout_forceMouseout(d) {
+    d.fixed &= ~4;
+  }
+  function d3_layout_forceAccumulate(quad, alpha, charges) {
+    var cx = 0, cy = 0;
+    quad.charge = 0;
+    if (!quad.leaf) {
+      var nodes = quad.nodes, n = nodes.length, i = -1, c;
+      while (++i < n) {
+        c = nodes[i];
+        if (c == null) continue;
+        d3_layout_forceAccumulate(c, alpha, charges);
+        quad.charge += c.charge;
+        cx += c.charge * c.cx;
+        cy += c.charge * c.cy;
+      }
+    }
+    if (quad.point) {
+      if (!quad.leaf) {
+        quad.point.x += Math.random() - .5;
+        quad.point.y += Math.random() - .5;
+      }
+      var k = alpha * charges[quad.point.index];
+      quad.charge += quad.pointCharge = k;
+      cx += k * quad.point.x;
+      cy += k * quad.point.y;
+    }
+    quad.cx = cx / quad.charge;
+    quad.cy = cy / quad.charge;
+  }
+  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
+  d3.layout.hierarchy = function() {
+    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+    function recurse(node, depth, nodes) {
+      var childs = children.call(hierarchy, node, depth);
+      node.depth = depth;
+      nodes.push(node);
+      if (childs && (n = childs.length)) {
+        var i = -1, n, c = node.children = new Array(n), v = 0, j = depth + 1, d;
+        while (++i < n) {
+          d = c[i] = recurse(childs[i], j, nodes);
+          d.parent = node;
+          v += d.value;
+        }
+        if (sort) c.sort(sort);
+        if (value) node.value = v;
+      } else {
+        delete node.children;
+        if (value) {
+          node.value = +value.call(hierarchy, node, depth) || 0;
+        }
+      }
+      return node;
+    }
+    function revalue(node, depth) {
+      var children = node.children, v = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n, j = depth + 1;
+        while (++i < n) v += revalue(children[i], j);
+      } else if (value) {
+        v = +value.call(hierarchy, node, depth) || 0;
+      }
+      if (value) node.value = v;
+      return v;
+    }
+    function hierarchy(d) {
+      var nodes = [];
+      recurse(d, 0, nodes);
+      return nodes;
+    }
+    hierarchy.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return hierarchy;
+    };
+    hierarchy.children = function(x) {
+      if (!arguments.length) return children;
+      children = x;
+      return hierarchy;
+    };
+    hierarchy.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return hierarchy;
+    };
+    hierarchy.revalue = function(root) {
+      revalue(root, 0);
+      return root;
+    };
+    return hierarchy;
+  };
+  function d3_layout_hierarchyRebind(object, hierarchy) {
+    d3.rebind(object, hierarchy, "sort", "children", "value");
+    object.nodes = object;
+    object.links = d3_layout_hierarchyLinks;
+    return object;
+  }
+  function d3_layout_hierarchyChildren(d) {
+    return d.children;
+  }
+  function d3_layout_hierarchyValue(d) {
+    return d.value;
+  }
+  function d3_layout_hierarchySort(a, b) {
+    return b.value - a.value;
+  }
+  function d3_layout_hierarchyLinks(nodes) {
+    return d3.merge(nodes.map(function(parent) {
+      return (parent.children || []).map(function(child) {
+        return {
+          source: parent,
+          target: child
+        };
+      });
+    }));
+  }
+  d3.layout.partition = function() {
+    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+    function position(node, x, dx, dy) {
+      var children = node.children;
+      node.x = x;
+      node.y = node.depth * dy;
+      node.dx = dx;
+      node.dy = dy;
+      if (children && (n = children.length)) {
+        var i = -1, n, c, d;
+        dx = node.value ? dx / node.value : 0;
+        while (++i < n) {
+          position(c = children[i], x, d = c.value * dx, dy);
+          x += d;
+        }
+      }
+    }
+    function depth(node) {
+      var children = node.children, d = 0;
+      if (children && (n = children.length)) {
+        var i = -1, n;
+        while (++i < n) d = Math.max(d, depth(children[i]));
+      }
+      return 1 + d;
+    }
+    function partition(d, i) {
+      var nodes = hierarchy.call(this, d, i);
+      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+      return nodes;
+    }
+    partition.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return partition;
+    };
+    return d3_layout_hierarchyRebind(partition, hierarchy);
+  };
+  d3.layout.pie = function() {
+    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ;
+    function pie(data) {
+      var values = data.map(function(d, i) {
+        return +value.call(pie, d, i);
+      });
+      var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle);
+      var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a) / d3.sum(values);
+      var index = d3.range(data.length);
+      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+        return values[j] - values[i];
+      } : function(i, j) {
+        return sort(data[i], data[j]);
+      });
+      var arcs = [];
+      index.forEach(function(i) {
+        var d;
+        arcs[i] = {
+          data: data[i],
+          value: d = values[i],
+          startAngle: a,
+          endAngle: a += d * k
+        };
+      });
+      return arcs;
+    }
+    pie.value = function(x) {
+      if (!arguments.length) return value;
+      value = x;
+      return pie;
+    };
+    pie.sort = function(x) {
+      if (!arguments.length) return sort;
+      sort = x;
+      return pie;
+    };
+    pie.startAngle = function(x) {
+      if (!arguments.length) return startAngle;
+      startAngle = x;
+      return pie;
+    };
+    pie.endAngle = function(x) {
+      if (!arguments.length) return endAngle;
+      endAngle = x;
+      return pie;
+    };
+    return pie;
+  };
+  var d3_layout_pieSortByValue = {};
+  d3.layout.stack = function() {
+    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+    function stack(data, index) {
+      var series = data.map(function(d, i) {
+        return values.call(stack, d, i);
+      });
+      var points = series.map(function(d) {
+        return d.map(function(v, i) {
+          return [ x.call(stack, v, i), y.call(stack, v, i) ];
+        });
+      });
+      var orders = order.call(stack, points, index);
+      series = d3.permute(series, orders);
+      points = d3.permute(points, orders);
+      var offsets = offset.call(stack, points, index);
+      var n = series.length, m = series[0].length, i, j, o;
+      for (j = 0; j < m; ++j) {
+        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+        for (i = 1; i < n; ++i) {
+          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+        }
+      }
+      return data;
+    }
+    stack.values = function(x) {
+      if (!arguments.length) return values;
+      values = x;
+      return stack;
+    };
+    stack.order = function(x) {
+      if (!arguments.length) return order;
+      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+      return stack;
+    };
+    stack.offset = function(x) {
+      if (!arguments.length) return offset;
+      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+      return stack;
+    };
+    stack.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      return stack;
+    };
+    stack.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      return stack;
+    };
+    stack.out = function(z) {
+      if (!arguments.length) return out;
+      out = z;
+      return stack;
+    };
+    return stack;
+  };
+  function d3_layout_stackX(d) {
+    return d.x;
+  }
+  function d3_layout_stackY(d) {
+    return d.y;
+  }
+  function d3_layout_stackOut(d, y0, y) {
+    d.y0 = y0;
+    d.y = y;
+  }
+  var d3_layout_stackOrders = d3.map({
+    "inside-out": function(data) {
+      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
+        return max[a] - max[b];
+      }), top = 0, bottom = 0, tops = [], bottoms = [];
+      for (i = 0; i < n; ++i) {
+        j = index[i];
+        if (top < bottom) {
+          top += sums[j];
+          tops.push(j);
+        } else {
+          bottom += sums[j];
+          bottoms.push(j);
+        }
+      }
+      return bottoms.reverse().concat(tops);
+    },
+    reverse: function(data) {
+      return d3.range(data.length).reverse();
+    },
+    "default": d3_layout_stackOrderDefault
+  });
+  var d3_layout_stackOffsets = d3.map({
+    silhouette: function(data) {
+      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o > max) max = o;
+        sums.push(o);
+      }
+      for (j = 0; j < m; ++j) {
+        y0[j] = (max - sums[j]) / 2;
+      }
+      return y0;
+    },
+    wiggle: function(data) {
+      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+      y0[0] = o = o0 = 0;
+      for (j = 1; j < m; ++j) {
+        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+          }
+          s2 += s3 * data[i][j][1];
+        }
+        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+        if (o < o0) o0 = o;
+      }
+      for (j = 0; j < m; ++j) y0[j] -= o0;
+      return y0;
+    },
+    expand: function(data) {
+      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+      for (j = 0; j < m; ++j) {
+        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
+      }
+      for (j = 0; j < m; ++j) y0[j] = 0;
+      return y0;
+    },
+    zero: d3_layout_stackOffsetZero
+  });
+  function d3_layout_stackOrderDefault(data) {
+    return d3.range(data.length);
+  }
+  function d3_layout_stackOffsetZero(data) {
+    var j = -1, m = data[0].length, y0 = [];
+    while (++j < m) y0[j] = 0;
+    return y0;
+  }
+  function d3_layout_stackMaxIndex(array) {
+    var i = 1, j = 0, v = array[0][1], k, n = array.length;
+    for (;i < n; ++i) {
+      if ((k = array[i][1]) > v) {
+        j = i;
+        v = k;
+      }
+    }
+    return j;
+  }
+  function d3_layout_stackReduceSum(d) {
+    return d.reduce(d3_layout_stackSum, 0);
+  }
+  function d3_layout_stackSum(p, d) {
+    return p + d[1];
+  }
+  d3.layout.histogram = function() {
+    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+    function histogram(data, i) {
+      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
+      while (++i < m) {
+        bin = bins[i] = [];
+        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+        bin.y = 0;
+      }
+      if (m > 0) {
+        i = -1;
+        while (++i < n) {
+          x = values[i];
+          if (x >= range[0] && x <= range[1]) {
+            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+            bin.y += k;
+            bin.push(data[i]);
+          }
+        }
+      }
+      return bins;
+    }
+    histogram.value = function(x) {
+      if (!arguments.length) return valuer;
+      valuer = x;
+      return histogram;
+    };
+    histogram.range = function(x) {
+      if (!arguments.length) return ranger;
+      ranger = d3_functor(x);
+      return histogram;
+    };
+    histogram.bins = function(x) {
+      if (!arguments.length) return binner;
+      binner = typeof x === "number" ? function(range) {
+        return d3_layout_histogramBinFixed(range, x);
+      } : d3_functor(x);
+      return histogram;
+    };
+    histogram.frequency = function(x) {
+      if (!arguments.length) return frequency;
+      frequency = !!x;
+      return histogram;
+    };
+    return histogram;
+  };
+  function d3_layout_histogramBinSturges(range, values) {
+    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+  }
+  function d3_layout_histogramBinFixed(range, n) {
+    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+    while (++x <= n) f[x] = m * x + b;
+    return f;
+  }
+  function d3_layout_histogramRange(values) {
+    return [ d3.min(values), d3.max(values) ];
+  }
+  d3.layout.tree = function() {
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
+    function tree(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0];
+      function firstWalk(node, previousSibling) {
+        var children = node.children, layout = node._tree;
+        if (children && (n = children.length)) {
+          var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
+          while (++i < n) {
+            child = children[i];
+            firstWalk(child, previousChild);
+            ancestor = apportion(child, previousChild, ancestor);
+            previousChild = child;
+          }
+          d3_layout_treeShift(node);
+          var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+            layout.mod = layout.prelim - midpoint;
+          } else {
+            layout.prelim = midpoint;
+          }
+        } else {
+          if (previousSibling) {
+            layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+          }
+        }
+      }
+      function secondWalk(node, x) {
+        node.x = node._tree.prelim + x;
+        var children = node.children;
+        if (children && (n = children.length)) {
+          var i = -1, n;
+          x += node._tree.mod;
+          while (++i < n) {
+            secondWalk(children[i], x);
+          }
+        }
+      }
+      function apportion(node, previousSibling, ancestor) {
+        if (previousSibling) {
+          var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift;
+          while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+            vom = d3_layout_treeLeft(vom);
+            vop = d3_layout_treeRight(vop);
+            vop._tree.ancestor = node;
+            shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
+            if (shift > 0) {
+              d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
+              sip += shift;
+              sop += shift;
+            }
+            sim += vim._tree.mod;
+            sip += vip._tree.mod;
+            som += vom._tree.mod;
+            sop += vop._tree.mod;
+          }
+          if (vim && !d3_layout_treeRight(vop)) {
+            vop._tree.thread = vim;
+            vop._tree.mod += sim - sop;
+          }
+          if (vip && !d3_layout_treeLeft(vom)) {
+            vom._tree.thread = vip;
+            vom._tree.mod += sip - som;
+            ancestor = node;
+          }
+        }
+        return ancestor;
+      }
+      d3_layout_treeVisitAfter(root, function(node, previousSibling) {
+        node._tree = {
+          ancestor: node,
+          prelim: 0,
+          mod: 0,
+          change: 0,
+          shift: 0,
+          number: previousSibling ? previousSibling._tree.number + 1 : 0
+        };
+      });
+      firstWalk(root);
+      secondWalk(root, -root._tree.prelim);
+      var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1;
+      d3_layout_treeVisitAfter(root, nodeSize ? function(node) {
+        node.x *= size[0];
+        node.y = node.depth * size[1];
+        delete node._tree;
+      } : function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = node.depth / y1 * size[1];
+        delete node._tree;
+      });
+      return nodes;
+    }
+    tree.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return tree;
+    };
+    tree.size = function(x) {
+      if (!arguments.length) return nodeSize ? null : size;
+      nodeSize = (size = x) == null;
+      return tree;
+    };
+    tree.nodeSize = function(x) {
+      if (!arguments.length) return nodeSize ? size : null;
+      nodeSize = (size = x) != null;
+      return tree;
+    };
+    return d3_layout_hierarchyRebind(tree, hierarchy);
+  };
+  function d3_layout_treeSeparation(a, b) {
+    return a.parent == b.parent ? 1 : 2;
+  }
+  function d3_layout_treeLeft(node) {
+    var children = node.children;
+    return children && children.length ? children[0] : node._tree.thread;
+  }
+  function d3_layout_treeRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? children[n - 1] : node._tree.thread;
+  }
+  function d3_layout_treeSearch(node, compare) {
+    var children = node.children;
+    if (children && (n = children.length)) {
+      var child, n, i = -1;
+      while (++i < n) {
+        if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
+          node = child;
+        }
+      }
+    }
+    return node;
+  }
+  function d3_layout_treeRightmost(a, b) {
+    return a.x - b.x;
+  }
+  function d3_layout_treeLeftmost(a, b) {
+    return b.x - a.x;
+  }
+  function d3_layout_treeDeepest(a, b) {
+    return a.depth - b.depth;
+  }
+  function d3_layout_treeVisitAfter(node, callback) {
+    function visit(node, previousSibling) {
+      var children = node.children;
+      if (children && (n = children.length)) {
+        var child, previousChild = null, i = -1, n;
+        while (++i < n) {
+          child = children[i];
+          visit(child, previousChild);
+          previousChild = child;
+        }
+      }
+      callback(node, previousSibling);
+    }
+    visit(node, null);
+  }
+  function d3_layout_treeShift(node) {
+    var shift = 0, change = 0, children = node.children, i = children.length, child;
+    while (--i >= 0) {
+      child = children[i]._tree;
+      child.prelim += shift;
+      child.mod += shift;
+      shift += child.shift + (change += child.change);
+    }
+  }
+  function d3_layout_treeMove(ancestor, node, shift) {
+    ancestor = ancestor._tree;
+    node = node._tree;
+    var change = shift / (node.number - ancestor.number);
+    ancestor.change += change;
+    node.change -= change;
+    node.shift += shift;
+    node.prelim += shift;
+    node.mod += shift;
+  }
+  function d3_layout_treeAncestor(vim, node, ancestor) {
+    return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
+  }
+  d3.layout.pack = function() {
+    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
+    function pack(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
+        return radius;
+      };
+      root.x = root.y = 0;
+      d3_layout_treeVisitAfter(root, function(d) {
+        d.r = +r(d.value);
+      });
+      d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+      if (padding) {
+        var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r += dr;
+        });
+        d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+        d3_layout_treeVisitAfter(root, function(d) {
+          d.r -= dr;
+        });
+      }
+      d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
+      return nodes;
+    }
+    pack.size = function(_) {
+      if (!arguments.length) return size;
+      size = _;
+      return pack;
+    };
+    pack.radius = function(_) {
+      if (!arguments.length) return radius;
+      radius = _ == null || typeof _ === "function" ? _ : +_;
+      return pack;
+    };
+    pack.padding = function(_) {
+      if (!arguments.length) return padding;
+      padding = +_;
+      return pack;
+    };
+    return d3_layout_hierarchyRebind(pack, hierarchy);
+  };
+  function d3_layout_packSort(a, b) {
+    return a.value - b.value;
+  }
+  function d3_layout_packInsert(a, b) {
+    var c = a._pack_next;
+    a._pack_next = b;
+    b._pack_prev = a;
+    b._pack_next = c;
+    c._pack_prev = b;
+  }
+  function d3_layout_packSplice(a, b) {
+    a._pack_next = b;
+    b._pack_prev = a;
+  }
+  function d3_layout_packIntersects(a, b) {
+    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+    return .999 * dr * dr > dx * dx + dy * dy;
+  }
+  function d3_layout_packSiblings(node) {
+    if (!(nodes = node.children) || !(n = nodes.length)) return;
+    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+    function bound(node) {
+      xMin = Math.min(node.x - node.r, xMin);
+      xMax = Math.max(node.x + node.r, xMax);
+      yMin = Math.min(node.y - node.r, yMin);
+      yMax = Math.max(node.y + node.r, yMax);
+    }
+    nodes.forEach(d3_layout_packLink);
+    a = nodes[0];
+    a.x = -a.r;
+    a.y = 0;
+    bound(a);
+    if (n > 1) {
+      b = nodes[1];
+      b.x = b.r;
+      b.y = 0;
+      bound(b);
+      if (n > 2) {
+        c = nodes[2];
+        d3_layout_packPlace(a, b, c);
+        bound(c);
+        d3_layout_packInsert(a, c);
+        a._pack_prev = c;
+        d3_layout_packInsert(c, b);
+        b = a._pack_next;
+        for (i = 3; i < n; i++) {
+          d3_layout_packPlace(a, b, c = nodes[i]);
+          var isect = 0, s1 = 1, s2 = 1;
+          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+            if (d3_layout_packIntersects(j, c)) {
+              isect = 1;
+              break;
+            }
+          }
+          if (isect == 1) {
+            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+              if (d3_layout_packIntersects(k, c)) {
+                break;
+              }
+            }
+          }
+          if (isect) {
+            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+            i--;
+          } else {
+            d3_layout_packInsert(a, c);
+            b = c;
+            bound(c);
+          }
+        }
+      }
+    }
+    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+    for (i = 0; i < n; i++) {
+      c = nodes[i];
+      c.x -= cx;
+      c.y -= cy;
+      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+    }
+    node.r = cr;
+    nodes.forEach(d3_layout_packUnlink);
+  }
+  function d3_layout_packLink(node) {
+    node._pack_next = node._pack_prev = node;
+  }
+  function d3_layout_packUnlink(node) {
+    delete node._pack_next;
+    delete node._pack_prev;
+  }
+  function d3_layout_packTransform(node, x, y, k) {
+    var children = node.children;
+    node.x = x += k * node.x;
+    node.y = y += k * node.y;
+    node.r *= k;
+    if (children) {
+      var i = -1, n = children.length;
+      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+    }
+  }
+  function d3_layout_packPlace(a, b, c) {
+    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+    if (db && (dx || dy)) {
+      var da = b.r + c.r, dc = dx * dx + dy * dy;
+      da *= da;
+      db *= db;
+      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+      c.x = a.x + x * dx + y * dy;
+      c.y = a.y + x * dy - y * dx;
+    } else {
+      c.x = a.x + db;
+      c.y = a.y;
+    }
+  }
+  d3.layout.cluster = function() {
+    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
+    function cluster(d, i) {
+      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
+      d3_layout_treeVisitAfter(root, function(node) {
+        var children = node.children;
+        if (children && children.length) {
+          node.x = d3_layout_clusterX(children);
+          node.y = d3_layout_clusterY(children);
+        } else {
+          node.x = previousNode ? x += separation(node, previousNode) : 0;
+          node.y = 0;
+          previousNode = node;
+        }
+      });
+      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
+      d3_layout_treeVisitAfter(root, nodeSize ? function(node) {
+        node.x = (node.x - root.x) * size[0];
+        node.y = (root.y - node.y) * size[1];
+      } : function(node) {
+        node.x = (node.x - x0) / (x1 - x0) * size[0];
+        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+      });
+      return nodes;
+    }
+    cluster.separation = function(x) {
+      if (!arguments.length) return separation;
+      separation = x;
+      return cluster;
+    };
+    cluster.size = function(x) {
+      if (!arguments.length) return nodeSize ? null : size;
+      nodeSize = (size = x) == null;
+      return cluster;
+    };
+    cluster.nodeSize = function(x) {
+      if (!arguments.length) return nodeSize ? size : null;
+      nodeSize = (size = x) != null;
+      return cluster;
+    };
+    return d3_layout_hierarchyRebind(cluster, hierarchy);
+  };
+  function d3_layout_clusterY(children) {
+    return 1 + d3.max(children, function(child) {
+      return child.y;
+    });
+  }
+  function d3_layout_clusterX(children) {
+    return children.reduce(function(x, child) {
+      return x + child.x;
+    }, 0) / children.length;
+  }
+  function d3_layout_clusterLeft(node) {
+    var children = node.children;
+    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+  }
+  function d3_layout_clusterRight(node) {
+    var children = node.children, n;
+    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+  }
+  d3.layout.treemap = function() {
+    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
+    function scale(children, k) {
+      var i = -1, n = children.length, child, area;
+      while (++i < n) {
+        area = (child = children[i]).value * (k < 0 ? 0 : k);
+        child.area = isNaN(area) || area <= 0 ? 0 : area;
+      }
+    }
+    function squarify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while ((n = remaining.length) > 0) {
+          row.push(child = remaining[n - 1]);
+          row.area += child.area;
+          if (mode !== "squarify" || (score = worst(row, u)) <= best) {
+            remaining.pop();
+            best = score;
+          } else {
+            row.area -= row.pop().area;
+            position(row, u, rect, false);
+            u = Math.min(rect.dx, rect.dy);
+            row.length = row.area = 0;
+            best = Infinity;
+          }
+        }
+        if (row.length) {
+          position(row, u, rect, true);
+          row.length = row.area = 0;
+        }
+        children.forEach(squarify);
+      }
+    }
+    function stickify(node) {
+      var children = node.children;
+      if (children && children.length) {
+        var rect = pad(node), remaining = children.slice(), child, row = [];
+        scale(remaining, rect.dx * rect.dy / node.value);
+        row.area = 0;
+        while (child = remaining.pop()) {
+          row.push(child);
+          row.area += child.area;
+          if (child.z != null) {
+            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+            row.length = row.area = 0;
+          }
+        }
+        children.forEach(stickify);
+      }
+    }
+    function worst(row, u) {
+      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+      while (++i < n) {
+        if (!(r = row[i].area)) continue;
+        if (r < rmin) rmin = r;
+        if (r > rmax) rmax = r;
+      }
+      s *= s;
+      u *= u;
+      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+    }
+    function position(row, u, rect, flush) {
+      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+      if (u == rect.dx) {
+        if (flush || v > rect.dy) v = rect.dy;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dy = v;
+          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+        }
+        o.z = true;
+        o.dx += rect.x + rect.dx - x;
+        rect.y += v;
+        rect.dy -= v;
+      } else {
+        if (flush || v > rect.dx) v = rect.dx;
+        while (++i < n) {
+          o = row[i];
+          o.x = x;
+          o.y = y;
+          o.dx = v;
+          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+        }
+        o.z = false;
+        o.dy += rect.y + rect.dy - y;
+        rect.x += v;
+        rect.dx -= v;
+      }
+    }
+    function treemap(d) {
+      var nodes = stickies || hierarchy(d), root = nodes[0];
+      root.x = 0;
+      root.y = 0;
+      root.dx = size[0];
+      root.dy = size[1];
+      if (stickies) hierarchy.revalue(root);
+      scale([ root ], root.dx * root.dy / root.value);
+      (stickies ? stickify : squarify)(root);
+      if (sticky) stickies = nodes;
+      return nodes;
+    }
+    treemap.size = function(x) {
+      if (!arguments.length) return size;
+      size = x;
+      return treemap;
+    };
+    treemap.padding = function(x) {
+      if (!arguments.length) return padding;
+      function padFunction(node) {
+        var p = x.call(treemap, node, node.depth);
+        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+      }
+      function padConstant(node) {
+        return d3_layout_treemapPad(node, x);
+      }
+      var type;
+      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
+      padConstant) : padConstant;
+      return treemap;
+    };
+    treemap.round = function(x) {
+      if (!arguments.length) return round != Number;
+      round = x ? Math.round : Number;
+      return treemap;
+    };
+    treemap.sticky = function(x) {
+      if (!arguments.length) return sticky;
+      sticky = x;
+      stickies = null;
+      return treemap;
+    };
+    treemap.ratio = function(x) {
+      if (!arguments.length) return ratio;
+      ratio = x;
+      return treemap;
+    };
+    treemap.mode = function(x) {
+      if (!arguments.length) return mode;
+      mode = x + "";
+      return treemap;
+    };
+    return d3_layout_hierarchyRebind(treemap, hierarchy);
+  };
+  function d3_layout_treemapPadNull(node) {
+    return {
+      x: node.x,
+      y: node.y,
+      dx: node.dx,
+      dy: node.dy
+    };
+  }
+  function d3_layout_treemapPad(node, padding) {
+    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
+    if (dx < 0) {
+      x += dx / 2;
+      dx = 0;
+    }
+    if (dy < 0) {
+      y += dy / 2;
+      dy = 0;
+    }
+    return {
+      x: x,
+      y: y,
+      dx: dx,
+      dy: dy
+    };
+  }
+  d3.random = {
+    normal: function(µ, σ) {
+      var n = arguments.length;
+      if (n < 2) σ = 1;
+      if (n < 1) µ = 0;
+      return function() {
+        var x, y, r;
+        do {
+          x = Math.random() * 2 - 1;
+          y = Math.random() * 2 - 1;
+          r = x * x + y * y;
+        } while (!r || r > 1);
+        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+      };
+    },
+    logNormal: function() {
+      var random = d3.random.normal.apply(d3, arguments);
+      return function() {
+        return Math.exp(random());
+      };
+    },
+    bates: function(m) {
+      var random = d3.random.irwinHall(m);
+      return function() {
+        return random() / m;
+      };
+    },
+    irwinHall: function(m) {
+      return function() {
+        for (var s = 0, j = 0; j < m; j++) s += Math.random();
+        return s;
+      };
+    }
+  };
+  d3.scale = {};
+  function d3_scaleExtent(domain) {
+    var start = domain[0], stop = domain[domain.length - 1];
+    return start < stop ? [ start, stop ] : [ stop, start ];
+  }
+  function d3_scaleRange(scale) {
+    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+  }
+  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+    return function(x) {
+      return i(u(x));
+    };
+  }
+  function d3_scale_nice(domain, nice) {
+    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+    if (x1 < x0) {
+      dx = i0, i0 = i1, i1 = dx;
+      dx = x0, x0 = x1, x1 = dx;
+    }
+    domain[i0] = nice.floor(x0);
+    domain[i1] = nice.ceil(x1);
+    return domain;
+  }
+  function d3_scale_niceStep(step) {
+    return step ? {
+      floor: function(x) {
+        return Math.floor(x / step) * step;
+      },
+      ceil: function(x) {
+        return Math.ceil(x / step) * step;
+      }
+    } : d3_scale_niceIdentity;
+  }
+  var d3_scale_niceIdentity = {
+    floor: d3_identity,
+    ceil: d3_identity
+  };
+  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+    if (domain[k] < domain[0]) {
+      domain = domain.slice().reverse();
+      range = range.slice().reverse();
+    }
+    while (++j <= k) {
+      u.push(uninterpolate(domain[j - 1], domain[j]));
+      i.push(interpolate(range[j - 1], range[j]));
+    }
+    return function(x) {
+      var j = d3.bisect(domain, x, 1, k) - 1;
+      return i[j](u[j](x));
+    };
+  }
+  d3.scale.linear = function() {
+    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
+  };
+  function d3_scale_linear(domain, range, interpolate, clamp) {
+    var output, input;
+    function rescale() {
+      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+      output = linear(domain, range, uninterpolate, interpolate);
+      input = linear(range, domain, uninterpolate, d3_interpolate);
+      return scale;
+    }
+    function scale(x) {
+      return output(x);
+    }
+    scale.invert = function(y) {
+      return input(y);
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(Number);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.rangeRound = function(x) {
+      return scale.range(x).interpolate(d3_interpolateRound);
+    };
+    scale.clamp = function(x) {
+      if (!arguments.length) return clamp;
+      clamp = x;
+      return rescale();
+    };
+    scale.interpolate = function(x) {
+      if (!arguments.length) return interpolate;
+      interpolate = x;
+      return rescale();
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    scale.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    scale.nice = function(m) {
+      d3_scale_linearNice(domain, m);
+      return rescale();
+    };
+    scale.copy = function() {
+      return d3_scale_linear(domain, range, interpolate, clamp);
+    };
+    return rescale();
+  }
+  function d3_scale_linearRebind(scale, linear) {
+    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+  }
+  function d3_scale_linearNice(domain, m) {
+    return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
+  }
+  function d3_scale_linearTickRange(domain, m) {
+    if (m == null) m = 10;
+    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
+    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+    extent[0] = Math.ceil(extent[0] / step) * step;
+    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+    extent[2] = step;
+    return extent;
+  }
+  function d3_scale_linearTicks(domain, m) {
+    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+  }
+  function d3_scale_linearTickFormat(domain, m, format) {
+    var range = d3_scale_linearTickRange(domain, m);
+    if (format) {
+      var match = d3_format_re.exec(format);
+      match.shift();
+      if (match[8] === "s") {
+        var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
+        if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
+        match[8] = "f";
+        format = d3.format(match.join(""));
+        return function(d) {
+          return format(prefix.scale(d)) + prefix.symbol;
+        };
+      }
+      if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
+      format = match.join("");
+    } else {
+      format = ",." + d3_scale_linearPrecision(range[2]) + "f";
+    }
+    return d3.format(format);
+  }
+  var d3_scale_linearFormatSignificant = {
+    s: 1,
+    g: 1,
+    p: 1,
+    r: 1,
+    e: 1
+  };
+  function d3_scale_linearPrecision(value) {
+    return -Math.floor(Math.log(value) / Math.LN10 + .01);
+  }
+  function d3_scale_linearFormatPrecision(type, range) {
+    var p = d3_scale_linearPrecision(range[2]);
+    return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
+  }
+  d3.scale.log = function() {
+    return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
+  };
+  function d3_scale_log(linear, base, positive, domain) {
+    function log(x) {
+      return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
+    }
+    function pow(x) {
+      return positive ? Math.pow(base, x) : -Math.pow(base, -x);
+    }
+    function scale(x) {
+      return linear(log(x));
+    }
+    scale.invert = function(x) {
+      return pow(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      positive = x[0] >= 0;
+      linear.domain((domain = x.map(Number)).map(log));
+      return scale;
+    };
+    scale.base = function(_) {
+      if (!arguments.length) return base;
+      base = +_;
+      linear.domain(domain.map(log));
+      return scale;
+    };
+    scale.nice = function() {
+      var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
+      linear.domain(niced);
+      domain = niced.map(pow);
+      return scale;
+    };
+    scale.ticks = function() {
+      var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
+      if (isFinite(j - i)) {
+        if (positive) {
+          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
+          ticks.push(pow(i));
+        } else {
+          ticks.push(pow(i));
+          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
+        }
+        for (i = 0; ticks[i] < u; i++) {}
+        for (j = ticks.length; ticks[j - 1] > v; j--) {}
+        ticks = ticks.slice(i, j);
+      }
+      return ticks;
+    };
+    scale.tickFormat = function(n, format) {
+      if (!arguments.length) return d3_scale_logFormat;
+      if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
+      var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, 
+      Math.floor), e;
+      return function(d) {
+        return d / pow(f(log(d) + e)) <= k ? format(d) : "";
+      };
+    };
+    scale.copy = function() {
+      return d3_scale_log(linear.copy(), base, positive, domain);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
+    floor: function(x) {
+      return -Math.ceil(-x);
+    },
+    ceil: function(x) {
+      return -Math.floor(-x);
+    }
+  };
+  d3.scale.pow = function() {
+    return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
+  };
+  function d3_scale_pow(linear, exponent, domain) {
+    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+    function scale(x) {
+      return linear(powp(x));
+    }
+    scale.invert = function(x) {
+      return powb(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      linear.domain((domain = x.map(Number)).map(powp));
+      return scale;
+    };
+    scale.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    scale.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    scale.nice = function(m) {
+      return scale.domain(d3_scale_linearNice(domain, m));
+    };
+    scale.exponent = function(x) {
+      if (!arguments.length) return exponent;
+      powp = d3_scale_powPow(exponent = x);
+      powb = d3_scale_powPow(1 / exponent);
+      linear.domain(domain.map(powp));
+      return scale;
+    };
+    scale.copy = function() {
+      return d3_scale_pow(linear.copy(), exponent, domain);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  function d3_scale_powPow(e) {
+    return function(x) {
+      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+    };
+  }
+  d3.scale.sqrt = function() {
+    return d3.scale.pow().exponent(.5);
+  };
+  d3.scale.ordinal = function() {
+    return d3_scale_ordinal([], {
+      t: "range",
+      a: [ [] ]
+    });
+  };
+  function d3_scale_ordinal(domain, ranger) {
+    var index, range, rangeBand;
+    function scale(x) {
+      return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
+    }
+    function steps(start, step) {
+      return d3.range(domain.length).map(function(i) {
+        return start + step * i;
+      });
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = [];
+      index = new d3_Map();
+      var i = -1, n = x.length, xi;
+      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+      return scale[ranger.t].apply(scale, ranger.a);
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      rangeBand = 0;
+      ranger = {
+        t: "range",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangePoints = function(x, padding) {
+      if (arguments.length < 2) padding = 0;
+      var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding);
+      range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
+      rangeBand = 0;
+      ranger = {
+        t: "rangePoints",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+      range = steps(start + step * outerPadding, step);
+      if (reverse) range.reverse();
+      rangeBand = step * (1 - padding);
+      ranger = {
+        t: "rangeBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeRoundBands = function(x, padding, outerPadding) {
+      if (arguments.length < 2) padding = 0;
+      if (arguments.length < 3) outerPadding = padding;
+      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step;
+      range = steps(start + Math.round(error / 2), step);
+      if (reverse) range.reverse();
+      rangeBand = Math.round(step * (1 - padding));
+      ranger = {
+        t: "rangeRoundBands",
+        a: arguments
+      };
+      return scale;
+    };
+    scale.rangeBand = function() {
+      return rangeBand;
+    };
+    scale.rangeExtent = function() {
+      return d3_scaleExtent(ranger.a[0]);
+    };
+    scale.copy = function() {
+      return d3_scale_ordinal(domain, ranger);
+    };
+    return scale.domain(domain);
+  }
+  d3.scale.category10 = function() {
+    return d3.scale.ordinal().range(d3_category10);
+  };
+  d3.scale.category20 = function() {
+    return d3.scale.ordinal().range(d3_category20);
+  };
+  d3.scale.category20b = function() {
+    return d3.scale.ordinal().range(d3_category20b);
+  };
+  d3.scale.category20c = function() {
+    return d3.scale.ordinal().range(d3_category20c);
+  };
+  var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
+  var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
+  var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
+  var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
+  d3.scale.quantile = function() {
+    return d3_scale_quantile([], []);
+  };
+  function d3_scale_quantile(domain, range) {
+    var thresholds;
+    function rescale() {
+      var k = 0, q = range.length;
+      thresholds = [];
+      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+      return scale;
+    }
+    function scale(x) {
+      if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.filter(function(d) {
+        return !isNaN(d);
+      }).sort(d3_ascending);
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.quantiles = function() {
+      return thresholds;
+    };
+    scale.invertExtent = function(y) {
+      y = range.indexOf(y);
+      return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
+    };
+    scale.copy = function() {
+      return d3_scale_quantile(domain, range);
+    };
+    return rescale();
+  }
+  d3.scale.quantize = function() {
+    return d3_scale_quantize(0, 1, [ 0, 1 ]);
+  };
+  function d3_scale_quantize(x0, x1, range) {
+    var kx, i;
+    function scale(x) {
+      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+    }
+    function rescale() {
+      kx = range.length / (x1 - x0);
+      i = range.length - 1;
+      return scale;
+    }
+    scale.domain = function(x) {
+      if (!arguments.length) return [ x0, x1 ];
+      x0 = +x[0];
+      x1 = +x[x.length - 1];
+      return rescale();
+    };
+    scale.range = function(x) {
+      if (!arguments.length) return range;
+      range = x;
+      return rescale();
+    };
+    scale.invertExtent = function(y) {
+      y = range.indexOf(y);
+      y = y < 0 ? NaN : y / kx + x0;
+      return [ y, y + 1 / kx ];
+    };
+    scale.copy = function() {
+      return d3_scale_quantize(x0, x1, range);
+    };
+    return rescale();
+  }
+  d3.scale.threshold = function() {
+    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+  };
+  function d3_scale_threshold(domain, range) {
+    function scale(x) {
+      if (x <= x) return range[d3.bisect(domain, x)];
+    }
+    scale.domain = function(_) {
+      if (!arguments.length) return domain;
+      domain = _;
+      return scale;
+    };
+    scale.range = function(_) {
+      if (!arguments.length) return range;
+      range = _;
+      return scale;
+    };
+    scale.invertExtent = function(y) {
+      y = range.indexOf(y);
+      return [ domain[y - 1], domain[y] ];
+    };
+    scale.copy = function() {
+      return d3_scale_threshold(domain, range);
+    };
+    return scale;
+  }
+  d3.scale.identity = function() {
+    return d3_scale_identity([ 0, 1 ]);
+  };
+  function d3_scale_identity(domain) {
+    function identity(x) {
+      return +x;
+    }
+    identity.invert = identity;
+    identity.domain = identity.range = function(x) {
+      if (!arguments.length) return domain;
+      domain = x.map(identity);
+      return identity;
+    };
+    identity.ticks = function(m) {
+      return d3_scale_linearTicks(domain, m);
+    };
+    identity.tickFormat = function(m, format) {
+      return d3_scale_linearTickFormat(domain, m, format);
+    };
+    identity.copy = function() {
+      return d3_scale_identity(domain);
+    };
+    return identity;
+  }
+  d3.svg = {};
+  d3.svg.arc = function() {
+    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    function arc() {
+      var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, 
+      a0 = a1, a1 = da), a1 - a0), df = da < π ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1);
+      return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z";
+    }
+    arc.innerRadius = function(v) {
+      if (!arguments.length) return innerRadius;
+      innerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.outerRadius = function(v) {
+      if (!arguments.length) return outerRadius;
+      outerRadius = d3_functor(v);
+      return arc;
+    };
+    arc.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return arc;
+    };
+    arc.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return arc;
+    };
+    arc.centroid = function() {
+      var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
+      return [ Math.cos(a) * r, Math.sin(a) * r ];
+    };
+    return arc;
+  };
+  var d3_svg_arcOffset = -halfπ, d3_svg_arcMax = τ - ε;
+  function d3_svg_arcInnerRadius(d) {
+    return d.innerRadius;
+  }
+  function d3_svg_arcOuterRadius(d) {
+    return d.outerRadius;
+  }
+  function d3_svg_arcStartAngle(d) {
+    return d.startAngle;
+  }
+  function d3_svg_arcEndAngle(d) {
+    return d.endAngle;
+  }
+  function d3_svg_line(projection) {
+    var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+    function line(data) {
+      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+      function segment() {
+        segments.push("M", interpolate(projection(points), tension));
+      }
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+        } else if (points.length) {
+          segment();
+          points = [];
+        }
+      }
+      if (points.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    line.x = function(_) {
+      if (!arguments.length) return x;
+      x = _;
+      return line;
+    };
+    line.y = function(_) {
+      if (!arguments.length) return y;
+      y = _;
+      return line;
+    };
+    line.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return line;
+    };
+    line.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      return line;
+    };
+    line.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return line;
+    };
+    return line;
+  }
+  d3.svg.line = function() {
+    return d3_svg_line(d3_identity);
+  };
+  var d3_svg_lineInterpolators = d3.map({
+    linear: d3_svg_lineLinear,
+    "linear-closed": d3_svg_lineLinearClosed,
+    step: d3_svg_lineStep,
+    "step-before": d3_svg_lineStepBefore,
+    "step-after": d3_svg_lineStepAfter,
+    basis: d3_svg_lineBasis,
+    "basis-open": d3_svg_lineBasisOpen,
+    "basis-closed": d3_svg_lineBasisClosed,
+    bundle: d3_svg_lineBundle,
+    cardinal: d3_svg_lineCardinal,
+    "cardinal-open": d3_svg_lineCardinalOpen,
+    "cardinal-closed": d3_svg_lineCardinalClosed,
+    monotone: d3_svg_lineMonotone
+  });
+  d3_svg_lineInterpolators.forEach(function(key, value) {
+    value.key = key;
+    value.closed = /-closed$/.test(key);
+  });
+  function d3_svg_lineLinear(points) {
+    return points.join("L");
+  }
+  function d3_svg_lineLinearClosed(points) {
+    return d3_svg_lineLinear(points) + "Z";
+  }
+  function d3_svg_lineStep(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
+    if (n > 1) path.push("H", p[0]);
+    return path.join("");
+  }
+  function d3_svg_lineStepBefore(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+    return path.join("");
+  }
+  function d3_svg_lineStepAfter(points) {
+    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+    return path.join("");
+  }
+  function d3_svg_lineCardinalOpen(points, tension) {
+    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineCardinalClosed(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
+    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+  }
+  function d3_svg_lineCardinal(points, tension) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+  }
+  function d3_svg_lineHermite(points, tangents) {
+    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+      return d3_svg_lineLinear(points);
+    }
+    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+    if (quad) {
+      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+      p0 = points[1];
+      pi = 2;
+    }
+    if (tangents.length > 1) {
+      t = tangents[1];
+      p = points[pi];
+      pi++;
+      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      for (var i = 2; i < tangents.length; i++, pi++) {
+        p = points[pi];
+        t = tangents[i];
+        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+      }
+    }
+    if (quad) {
+      var lp = points[pi];
+      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+    }
+    return path;
+  }
+  function d3_svg_lineCardinalTangents(points, tension) {
+    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+    while (++i < n) {
+      p0 = p1;
+      p1 = p2;
+      p2 = points[i];
+      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineBasis(points) {
+    if (points.length < 3) return d3_svg_lineLinear(points);
+    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+    points.push(points[n - 1]);
+    while (++i <= n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    points.pop();
+    path.push("L", pi);
+    return path.join("");
+  }
+  function d3_svg_lineBasisOpen(points) {
+    if (points.length < 4) return d3_svg_lineLinear(points);
+    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+    while (++i < 3) {
+      pi = points[i];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+    --i;
+    while (++i < n) {
+      pi = points[i];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBasisClosed(points) {
+    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+    while (++i < 4) {
+      pi = points[i % n];
+      px.push(pi[0]);
+      py.push(pi[1]);
+    }
+    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+    --i;
+    while (++i < m) {
+      pi = points[i % n];
+      px.shift();
+      px.push(pi[0]);
+      py.shift();
+      py.push(pi[1]);
+      d3_svg_lineBasisBezier(path, px, py);
+    }
+    return path.join("");
+  }
+  function d3_svg_lineBundle(points, tension) {
+    var n = points.length - 1;
+    if (n) {
+      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+      while (++i <= n) {
+        p = points[i];
+        t = i / n;
+        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+      }
+    }
+    return d3_svg_lineBasis(points);
+  }
+  function d3_svg_lineDot4(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+  }
+  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
+  function d3_svg_lineBasisBezier(path, x, y) {
+    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
+  }
+  function d3_svg_lineSlope(p0, p1) {
+    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+  }
+  function d3_svg_lineFiniteDifferences(points) {
+    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+    while (++i < j) {
+      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+    }
+    m[i] = d;
+    return m;
+  }
+  function d3_svg_lineMonotoneTangents(points) {
+    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+    while (++i < j) {
+      d = d3_svg_lineSlope(points[i], points[i + 1]);
+      if (abs(d) < ε) {
+        m[i] = m[i + 1] = 0;
+      } else {
+        a = m[i] / d;
+        b = m[i + 1] / d;
+        s = a * a + b * b;
+        if (s > 9) {
+          s = d * 3 / Math.sqrt(s);
+          m[i] = s * a;
+          m[i + 1] = s * b;
+        }
+      }
+    }
+    i = -1;
+    while (++i <= j) {
+      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+      tangents.push([ s || 0, m[i] * s || 0 ]);
+    }
+    return tangents;
+  }
+  function d3_svg_lineMonotone(points) {
+    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+  }
+  d3.svg.line.radial = function() {
+    var line = d3_svg_line(d3_svg_lineRadial);
+    line.radius = line.x, delete line.x;
+    line.angle = line.y, delete line.y;
+    return line;
+  };
+  function d3_svg_lineRadial(points) {
+    var point, i = -1, n = points.length, r, a;
+    while (++i < n) {
+      point = points[i];
+      r = point[0];
+      a = point[1] + d3_svg_arcOffset;
+      point[0] = r * Math.cos(a);
+      point[1] = r * Math.sin(a);
+    }
+    return points;
+  }
+  function d3_svg_area(projection) {
+    var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+    function area(data) {
+      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+        return x;
+      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+        return y;
+      } : d3_functor(y1), x, y;
+      function segment() {
+        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+      }
+      while (++i < n) {
+        if (defined.call(this, d = data[i], i)) {
+          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+        } else if (points0.length) {
+          segment();
+          points0 = [];
+          points1 = [];
+        }
+      }
+      if (points0.length) segment();
+      return segments.length ? segments.join("") : null;
+    }
+    area.x = function(_) {
+      if (!arguments.length) return x1;
+      x0 = x1 = _;
+      return area;
+    };
+    area.x0 = function(_) {
+      if (!arguments.length) return x0;
+      x0 = _;
+      return area;
+    };
+    area.x1 = function(_) {
+      if (!arguments.length) return x1;
+      x1 = _;
+      return area;
+    };
+    area.y = function(_) {
+      if (!arguments.length) return y1;
+      y0 = y1 = _;
+      return area;
+    };
+    area.y0 = function(_) {
+      if (!arguments.length) return y0;
+      y0 = _;
+      return area;
+    };
+    area.y1 = function(_) {
+      if (!arguments.length) return y1;
+      y1 = _;
+      return area;
+    };
+    area.defined = function(_) {
+      if (!arguments.length) return defined;
+      defined = _;
+      return area;
+    };
+    area.interpolate = function(_) {
+      if (!arguments.length) return interpolateKey;
+      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+      interpolateReverse = interpolate.reverse || interpolate;
+      L = interpolate.closed ? "M" : "L";
+      return area;
+    };
+    area.tension = function(_) {
+      if (!arguments.length) return tension;
+      tension = _;
+      return area;
+    };
+    return area;
+  }
+  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+  d3.svg.area = function() {
+    return d3_svg_area(d3_identity);
+  };
+  d3.svg.area.radial = function() {
+    var area = d3_svg_area(d3_svg_lineRadial);
+    area.radius = area.x, delete area.x;
+    area.innerRadius = area.x0, delete area.x0;
+    area.outerRadius = area.x1, delete area.x1;
+    area.angle = area.y, delete area.y;
+    area.startAngle = area.y0, delete area.y0;
+    area.endAngle = area.y1, delete area.y1;
+    return area;
+  };
+  d3.svg.chord = function() {
+    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+    function chord(d, i) {
+      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
+    }
+    function subgroup(self, f, d, i) {
+      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
+      return {
+        r: r,
+        a0: a0,
+        a1: a1,
+        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+      };
+    }
+    function equals(a, b) {
+      return a.a0 == b.a0 && a.a1 == b.a1;
+    }
+    function arc(r, p, a) {
+      return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
+    }
+    function curve(r0, p0, r1, p1) {
+      return "Q 0,0 " + p1;
+    }
+    chord.radius = function(v) {
+      if (!arguments.length) return radius;
+      radius = d3_functor(v);
+      return chord;
+    };
+    chord.source = function(v) {
+      if (!arguments.length) return source;
+      source = d3_functor(v);
+      return chord;
+    };
+    chord.target = function(v) {
+      if (!arguments.length) return target;
+      target = d3_functor(v);
+      return chord;
+    };
+    chord.startAngle = function(v) {
+      if (!arguments.length) return startAngle;
+      startAngle = d3_functor(v);
+      return chord;
+    };
+    chord.endAngle = function(v) {
+      if (!arguments.length) return endAngle;
+      endAngle = d3_functor(v);
+      return chord;
+    };
+    return chord;
+  };
+  function d3_svg_chordRadius(d) {
+    return d.radius;
+  }
+  d3.svg.diagonal = function() {
+    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
+    function diagonal(d, i) {
+      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+        x: p0.x,
+        y: m
+      }, {
+        x: p3.x,
+        y: m
+      }, p3 ];
+      p = p.map(projection);
+      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+    }
+    diagonal.source = function(x) {
+      if (!arguments.length) return source;
+      source = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.target = function(x) {
+      if (!arguments.length) return target;
+      target = d3_functor(x);
+      return diagonal;
+    };
+    diagonal.projection = function(x) {
+      if (!arguments.length) return projection;
+      projection = x;
+      return diagonal;
+    };
+    return diagonal;
+  };
+  function d3_svg_diagonalProjection(d) {
+    return [ d.x, d.y ];
+  }
+  d3.svg.diagonal.radial = function() {
+    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+    diagonal.projection = function(x) {
+      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+    };
+    return diagonal;
+  };
+  function d3_svg_diagonalRadialProjection(projection) {
+    return function() {
+      var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset;
+      return [ r * Math.cos(a), r * Math.sin(a) ];
+    };
+  }
+  d3.svg.symbol = function() {
+    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+    function symbol(d, i) {
+      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+    }
+    symbol.type = function(x) {
+      if (!arguments.length) return type;
+      type = d3_functor(x);
+      return symbol;
+    };
+    symbol.size = function(x) {
+      if (!arguments.length) return size;
+      size = d3_functor(x);
+      return symbol;
+    };
+    return symbol;
+  };
+  function d3_svg_symbolSize() {
+    return 64;
+  }
+  function d3_svg_symbolType() {
+    return "circle";
+  }
+  function d3_svg_symbolCircle(size) {
+    var r = Math.sqrt(size / π);
+    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+  }
+  var d3_svg_symbols = d3.map({
+    circle: d3_svg_symbolCircle,
+    cross: function(size) {
+      var r = Math.sqrt(size / 5) / 2;
+      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
+    },
+    diamond: function(size) {
+      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+    },
+    square: function(size) {
+      var r = Math.sqrt(size) / 2;
+      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+    },
+    "triangle-down": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+    },
+    "triangle-up": function(size) {
+      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+    }
+  });
+  d3.svg.symbolTypes = d3_svg_symbols.keys();
+  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
+  function d3_transition(groups, id) {
+    d3_subclass(groups, d3_transitionPrototype);
+    groups.id = id;
+    return groups;
+  }
+  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
+  d3_transitionPrototype.call = d3_selectionPrototype.call;
+  d3_transitionPrototype.empty = d3_selectionPrototype.empty;
+  d3_transitionPrototype.node = d3_selectionPrototype.node;
+  d3_transitionPrototype.size = d3_selectionPrototype.size;
+  d3.transition = function(selection) {
+    return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition();
+  };
+  d3.transition.prototype = d3_transitionPrototype;
+  d3_transitionPrototype.select = function(selector) {
+    var id = this.id, subgroups = [], subgroup, subnode, node;
+    selector = d3_selection_selector(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
+          if ("__data__" in node) subnode.__data__ = node.__data__;
+          d3_transitionNode(subnode, i, id, node.__transition__[id]);
+          subgroup.push(subnode);
+        } else {
+          subgroup.push(null);
+        }
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_transitionPrototype.selectAll = function(selector) {
+    var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition;
+    selector = d3_selection_selectorAll(selector);
+    for (var j = -1, m = this.length; ++j < m; ) {
+      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+        if (node = group[i]) {
+          transition = node.__transition__[id];
+          subnodes = selector.call(node, node.__data__, i, j);
+          subgroups.push(subgroup = []);
+          for (var k = -1, o = subnodes.length; ++k < o; ) {
+            if (subnode = subnodes[k]) d3_transitionNode(subnode, k, id, transition);
+            subgroup.push(subnode);
+          }
+        }
+      }
+    }
+    return d3_transition(subgroups, id);
+  };
+  d3_transitionPrototype.filter = function(filter) {
+    var subgroups = [], subgroup, group, node;
+    if (typeof filter !== "function") filter = d3_selection_filter(filter);
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return d3_transition(subgroups, this.id);
+  };
+  d3_transitionPrototype.tween = function(name, tween) {
+    var id = this.id;
+    if (arguments.length < 2) return this.node().__transition__[id].tween.get(name);
+    return d3_selection_each(this, tween == null ? function(node) {
+      node.__transition__[id].tween.remove(name);
+    } : function(node) {
+      node.__transition__[id].tween.set(name, tween);
+    });
+  };
+  function d3_transition_tween(groups, name, value, tween) {
+    var id = groups.id;
+    return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
+    } : (value = tween(value), function(node) {
+      node.__transition__[id].tween.set(name, value);
+    }));
+  }
+  d3_transitionPrototype.attr = function(nameNS, value) {
+    if (arguments.length < 2) {
+      for (value in nameNS) this.attr(value, nameNS[value]);
+      return this;
+    }
+    var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
+    function attrNull() {
+      this.removeAttribute(name);
+    }
+    function attrNullNS() {
+      this.removeAttributeNS(name.space, name.local);
+    }
+    function attrTween(b) {
+      return b == null ? attrNull : (b += "", function() {
+        var a = this.getAttribute(name), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.setAttribute(name, i(t));
+        });
+      });
+    }
+    function attrTweenNS(b) {
+      return b == null ? attrNullNS : (b += "", function() {
+        var a = this.getAttributeNS(name.space, name.local), i;
+        return a !== b && (i = interpolate(a, b), function(t) {
+          this.setAttributeNS(name.space, name.local, i(t));
+        });
+      });
+    }
+    return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
+  };
+  d3_transitionPrototype.attrTween = function(nameNS, tween) {
+    var name = d3.ns.qualify(nameNS);
+    function attrTween(d, i) {
+      var f = tween.call(this, d, i, this.getAttribute(name));
+      return f && function(t) {
+        this.setAttribute(name, f(t));
+      };
+    }
+    function attrTweenNS(d, i) {
+      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+      return f && function(t) {
+        this.setAttributeNS(name.space, name.local, f(t));
+      };
+    }
+    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+  };
+  d3_transitionPrototype.style = function(name, value, priority) {
+    var n = arguments.length;
+    if (n < 3) {
+      if (typeof name !== "string") {
+        if (n < 2) value = "";
+        for (priority in name) this.style(priority, name[priority], value);
+        return this;
+      }
+      priority = "";
+    }
+    function styleNull() {
+      this.style.removeProperty(name);
+    }
+    function styleString(b) {
+      return b == null ? styleNull : (b += "", function() {
+        var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
+        return a !== b && (i = d3_interpolate(a, b), function(t) {
+          this.style.setProperty(name, i(t), priority);
+        });
+      });
+    }
+    return d3_transition_tween(this, "style." + name, value, styleString);
+  };
+  d3_transitionPrototype.styleTween = function(name, tween, priority) {
+    if (arguments.length < 3) priority = "";
+    function styleTween(d, i) {
+      var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
+      return f && function(t) {
+        this.style.setProperty(name, f(t), priority);
+      };
+    }
+    return this.tween("style." + name, styleTween);
+  };
+  d3_transitionPrototype.text = function(value) {
+    return d3_transition_tween(this, "text", value, d3_transition_text);
+  };
+  function d3_transition_text(b) {
+    if (b == null) b = "";
+    return function() {
+      this.textContent = b;
+    };
+  }
+  d3_transitionPrototype.remove = function() {
+    return this.each("end.transition", function() {
+      var p;
+      if (this.__transition__.count < 2 && (p = this.parentNode)) p.removeChild(this);
+    });
+  };
+  d3_transitionPrototype.ease = function(value) {
+    var id = this.id;
+    if (arguments.length < 1) return this.node().__transition__[id].ease;
+    if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
+    return d3_selection_each(this, function(node) {
+      node.__transition__[id].ease = value;
+    });
+  };
+  d3_transitionPrototype.delay = function(value) {
+    var id = this.id;
+    if (arguments.length < 1) return this.node().__transition__[id].delay;
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].delay = +value.call(node, node.__data__, i, j);
+    } : (value = +value, function(node) {
+      node.__transition__[id].delay = value;
+    }));
+  };
+  d3_transitionPrototype.duration = function(value) {
+    var id = this.id;
+    if (arguments.length < 1) return this.node().__transition__[id].duration;
+    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+      node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j));
+    } : (value = Math.max(1, value), function(node) {
+      node.__transition__[id].duration = value;
+    }));
+  };
+  d3_transitionPrototype.each = function(type, listener) {
+    var id = this.id;
+    if (arguments.length < 2) {
+      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
+      d3_transitionInheritId = id;
+      d3_selection_each(this, function(node, i, j) {
+        d3_transitionInherit = node.__transition__[id];
+        type.call(node, node.__data__, i, j);
+      });
+      d3_transitionInherit = inherit;
+      d3_transitionInheritId = inheritId;
+    } else {
+      d3_selection_each(this, function(node) {
+        var transition = node.__transition__[id];
+        (transition.event || (transition.event = d3.dispatch("start", "end"))).on(type, listener);
+      });
+    }
+    return this;
+  };
+  d3_transitionPrototype.transition = function() {
+    var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition;
+    for (var j = 0, m = this.length; j < m; j++) {
+      subgroups.push(subgroup = []);
+      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+        if (node = group[i]) {
+          transition = Object.create(node.__transition__[id0]);
+          transition.delay += transition.duration;
+          d3_transitionNode(node, i, id1, transition);
+        }
+        subgroup.push(node);
+      }
+    }
+    return d3_transition(subgroups, id1);
+  };
+  function d3_transitionNode(node, i, id, inherit) {
+    var lock = node.__transition__ || (node.__transition__ = {
+      active: 0,
+      count: 0
+    }), transition = lock[id];
+    if (!transition) {
+      var time = inherit.time;
+      transition = lock[id] = {
+        tween: new d3_Map(),
+        time: time,
+        ease: inherit.ease,
+        delay: inherit.delay,
+        duration: inherit.duration
+      };
+      ++lock.count;
+      d3.timer(function(elapsed) {
+        var d = node.__data__, ease = transition.ease, delay = transition.delay, duration = transition.duration, timer = d3_timer_active, tweened = [];
+        timer.t = delay + time;
+        if (delay <= elapsed) return start(elapsed - delay);
+        timer.c = start;
+        function start(elapsed) {
+          if (lock.active > id) return stop();
+          lock.active = id;
+          transition.event && transition.event.start.call(node, d, i);
+          transition.tween.forEach(function(key, value) {
+            if (value = value.call(node, d, i)) {
+              tweened.push(value);
+            }
+          });
+          d3.timer(function() {
+            timer.c = tick(elapsed || 1) ? d3_true : tick;
+            return 1;
+          }, 0, time);
+        }
+        function tick(elapsed) {
+          if (lock.active !== id) return stop();
+          var t = elapsed / duration, e = ease(t), n = tweened.length;
+          while (n > 0) {
+            tweened[--n].call(node, e);
+          }
+          if (t >= 1) {
+            transition.event && transition.event.end.call(node, d, i);
+            return stop();
+          }
+        }
+        function stop() {
+          if (--lock.count) delete lock[id]; else delete node.__transition__;
+          return 1;
+        }
+      }, 0, time);
+    }
+  }
+  d3.svg.axis = function() {
+    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
+    function axis(g) {
+      g.each(function() {
+        var g = d3.select(this);
+        var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
+        var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickTransform;
+        var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
+        d3.transition(path));
+        tickEnter.append("line");
+        tickEnter.append("text");
+        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text");
+        switch (orient) {
+         case "bottom":
+          {
+            tickTransform = d3_svg_axisX;
+            lineEnter.attr("y2", innerTickSize);
+            textEnter.attr("y", Math.max(innerTickSize, 0) + tickPadding);
+            lineUpdate.attr("x2", 0).attr("y2", innerTickSize);
+            textUpdate.attr("x", 0).attr("y", Math.max(innerTickSize, 0) + tickPadding);
+            text.attr("dy", ".71em").style("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
+            break;
+          }
+
+         case "top":
+          {
+            tickTransform = d3_svg_axisX;
+            lineEnter.attr("y2", -innerTickSize);
+            textEnter.attr("y", -(Math.max(innerTickSize, 0) + tickPadding));
+            lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
+            textUpdate.attr("x", 0).attr("y", -(Math.max(innerTickSize, 0) + tickPadding));
+            text.attr("dy", "0em").style("text-anchor", "middle");
+            pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
+            break;
+          }
+
+         case "left":
+          {
+            tickTransform = d3_svg_axisY;
+            lineEnter.attr("x2", -innerTickSize);
+            textEnter.attr("x", -(Math.max(innerTickSize, 0) + tickPadding));
+            lineUpdate.attr("x2", -innerTickSize).attr("y2", 0);
+            textUpdate.attr("x", -(Math.max(innerTickSize, 0) + tickPadding)).attr("y", 0);
+            text.attr("dy", ".32em").style("text-anchor", "end");
+            pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
+            break;
+          }
+
+         case "right":
+          {
+            tickTransform = d3_svg_axisY;
+            lineEnter.attr("x2", innerTickSize);
+            textEnter.attr("x", Math.max(innerTickSize, 0) + tickPadding);
+            lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
+            textUpdate.attr("x", Math.max(innerTickSize, 0) + tickPadding).attr("y", 0);
+            text.attr("dy", ".32em").style("text-anchor", "start");
+            pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
+            break;
+          }
+        }
+        if (scale1.rangeBand) {
+          var x = scale1, dx = x.rangeBand() / 2;
+          scale0 = scale1 = function(d) {
+            return x(d) + dx;
+          };
+        } else if (scale0.rangeBand) {
+          scale0 = scale1;
+        } else {
+          tickExit.call(tickTransform, scale1);
+        }
+        tickEnter.call(tickTransform, scale0);
+        tickUpdate.call(tickTransform, scale1);
+      });
+    }
+    axis.scale = function(x) {
+      if (!arguments.length) return scale;
+      scale = x;
+      return axis;
+    };
+    axis.orient = function(x) {
+      if (!arguments.length) return orient;
+      orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
+      return axis;
+    };
+    axis.ticks = function() {
+      if (!arguments.length) return tickArguments_;
+      tickArguments_ = arguments;
+      return axis;
+    };
+    axis.tickValues = function(x) {
+      if (!arguments.length) return tickValues;
+      tickValues = x;
+      return axis;
+    };
+    axis.tickFormat = function(x) {
+      if (!arguments.length) return tickFormat_;
+      tickFormat_ = x;
+      return axis;
+    };
+    axis.tickSize = function(x) {
+      var n = arguments.length;
+      if (!n) return innerTickSize;
+      innerTickSize = +x;
+      outerTickSize = +arguments[n - 1];
+      return axis;
+    };
+    axis.innerTickSize = function(x) {
+      if (!arguments.length) return innerTickSize;
+      innerTickSize = +x;
+      return axis;
+    };
+    axis.outerTickSize = function(x) {
+      if (!arguments.length) return outerTickSize;
+      outerTickSize = +x;
+      return axis;
+    };
+    axis.tickPadding = function(x) {
+      if (!arguments.length) return tickPadding;
+      tickPadding = +x;
+      return axis;
+    };
+    axis.tickSubdivide = function() {
+      return arguments.length && axis;
+    };
+    return axis;
+  };
+  var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
+    top: 1,
+    right: 1,
+    bottom: 1,
+    left: 1
+  };
+  function d3_svg_axisX(selection, x) {
+    selection.attr("transform", function(d) {
+      return "translate(" + x(d) + ",0)";
+    });
+  }
+  function d3_svg_axisY(selection, y) {
+    selection.attr("transform", function(d) {
+      return "translate(0," + y(d) + ")";
+    });
+  }
+  d3.svg.brush = function() {
+    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
+    function brush(g) {
+      g.each(function() {
+        var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+        var background = g.selectAll(".background").data([ 0 ]);
+        background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+        g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
+        var resize = g.selectAll(".resize").data(resizes, d3_identity);
+        resize.exit().remove();
+        resize.enter().append("g").attr("class", function(d) {
+          return "resize " + d;
+        }).style("cursor", function(d) {
+          return d3_svg_brushCursor[d];
+        }).append("rect").attr("x", function(d) {
+          return /[ew]$/.test(d) ? -3 : null;
+        }).attr("y", function(d) {
+          return /^[ns]/.test(d) ? -3 : null;
+        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+        resize.style("display", brush.empty() ? "none" : null);
+        var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
+        if (x) {
+          range = d3_scaleRange(x);
+          backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
+          redrawX(gUpdate);
+        }
+        if (y) {
+          range = d3_scaleRange(y);
+          backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
+          redrawY(gUpdate);
+        }
+        redraw(gUpdate);
+      });
+    }
+    brush.event = function(g) {
+      g.each(function() {
+        var event_ = event.of(this, arguments), extent1 = {
+          x: xExtent,
+          y: yExtent,
+          i: xExtentDomain,
+          j: yExtentDomain
+        }, extent0 = this.__chart__ || extent1;
+        this.__chart__ = extent1;
+        if (d3_transitionInheritId) {
+          d3.select(this).transition().each("start.brush", function() {
+            xExtentDomain = extent0.i;
+            yExtentDomain = extent0.j;
+            xExtent = extent0.x;
+            yExtent = extent0.y;
+            event_({
+              type: "brushstart"
+            });
+          }).tween("brush:brush", function() {
+            var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
+            xExtentDomain = yExtentDomain = null;
+            return function(t) {
+              xExtent = extent1.x = xi(t);
+              yExtent = extent1.y = yi(t);
+              event_({
+                type: "brush",
+                mode: "resize"
+              });
+            };
+          }).each("end.brush", function() {
+            xExtentDomain = extent1.i;
+            yExtentDomain = extent1.j;
+            event_({
+              type: "brush",
+              mode: "resize"
+            });
+            event_({
+              type: "brushend"
+            });
+          });
+        } else {
+          event_({
+            type: "brushstart"
+          });
+          event_({
+            type: "brush",
+            mode: "resize"
+          });
+          event_({
+            type: "brushend"
+          });
+        }
+      });
+    };
+    function redraw(g) {
+      g.selectAll(".resize").attr("transform", function(d) {
+        return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
+      });
+    }
+    function redrawX(g) {
+      g.select(".extent").attr("x", xExtent[0]);
+      g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
+    }
+    function redrawY(g) {
+      g.select(".extent").attr("y", yExtent[0]);
+      g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
+    }
+    function brushstart() {
+      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(), center, origin = d3.mouse(target), offset;
+      var w = d3.select(d3_window).on("keydown.brush", keydown).on("keyup.brush", keyup);
+      if (d3.event.changedTouches) {
+        w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
+      } else {
+        w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
+      }
+      g.interrupt().selectAll("*").interrupt();
+      if (dragging) {
+        origin[0] = xExtent[0] - origin[0];
+        origin[1] = yExtent[0] - origin[1];
+      } else if (resizing) {
+        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+        offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
+        origin[0] = xExtent[ex];
+        origin[1] = yExtent[ey];
+      } else if (d3.event.altKey) center = origin.slice();
+      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+      d3.select("body").style("cursor", eventTarget.style("cursor"));
+      event_({
+        type: "brushstart"
+      });
+      brushmove();
+      function keydown() {
+        if (d3.event.keyCode == 32) {
+          if (!dragging) {
+            center = null;
+            origin[0] -= xExtent[1];
+            origin[1] -= yExtent[1];
+            dragging = 2;
+          }
+          d3_eventPreventDefault();
+        }
+      }
+      function keyup() {
+        if (d3.event.keyCode == 32 && dragging == 2) {
+          origin[0] += xExtent[1];
+          origin[1] += yExtent[1];
+          dragging = 0;
+          d3_eventPreventDefault();
+        }
+      }
+      function brushmove() {
+        var point = d3.mouse(target), moved = false;
+        if (offset) {
+          point[0] += offset[0];
+          point[1] += offset[1];
+        }
+        if (!dragging) {
+          if (d3.event.altKey) {
+            if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
+            origin[0] = xExtent[+(point[0] < center[0])];
+            origin[1] = yExtent[+(point[1] < center[1])];
+          } else center = null;
+        }
+        if (resizingX && move1(point, x, 0)) {
+          redrawX(g);
+          moved = true;
+        }
+        if (resizingY && move1(point, y, 1)) {
+          redrawY(g);
+          moved = true;
+        }
+        if (moved) {
+          redraw(g);
+          event_({
+            type: "brush",
+            mode: dragging ? "move" : "resize"
+          });
+        }
+      }
+      function move1(point, scale, i) {
+        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
+        if (dragging) {
+          r0 -= position;
+          r1 -= size + position;
+        }
+        min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
+        if (dragging) {
+          max = (min += position) + size;
+        } else {
+          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+          if (position < min) {
+            max = min;
+            min = position;
+          } else {
+            max = position;
+          }
+        }
+        if (extent[0] != min || extent[1] != max) {
+          if (i) yExtentDomain = null; else xExtentDomain = null;
+          extent[0] = min;
+          extent[1] = max;
+          return true;
+        }
+      }
+      function brushend() {
+        brushmove();
+        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+        d3.select("body").style("cursor", null);
+        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
+        dragRestore();
+        event_({
+          type: "brushend"
+        });
+      }
+    }
+    brush.x = function(z) {
+      if (!arguments.length) return x;
+      x = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.y = function(z) {
+      if (!arguments.length) return y;
+      y = z;
+      resizes = d3_svg_brushResizes[!x << 1 | !y];
+      return brush;
+    };
+    brush.clamp = function(z) {
+      if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
+      if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
+      return brush;
+    };
+    brush.extent = function(z) {
+      var x0, x1, y0, y1, t;
+      if (!arguments.length) {
+        if (x) {
+          if (xExtentDomain) {
+            x0 = xExtentDomain[0], x1 = xExtentDomain[1];
+          } else {
+            x0 = xExtent[0], x1 = xExtent[1];
+            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+            if (x1 < x0) t = x0, x0 = x1, x1 = t;
+          }
+        }
+        if (y) {
+          if (yExtentDomain) {
+            y0 = yExtentDomain[0], y1 = yExtentDomain[1];
+          } else {
+            y0 = yExtent[0], y1 = yExtent[1];
+            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+            if (y1 < y0) t = y0, y0 = y1, y1 = t;
+          }
+        }
+        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+      }
+      if (x) {
+        x0 = z[0], x1 = z[1];
+        if (y) x0 = x0[0], x1 = x1[0];
+        xExtentDomain = [ x0, x1 ];
+        if (x.invert) x0 = x(x0), x1 = x(x1);
+        if (x1 < x0) t = x0, x0 = x1, x1 = t;
+        if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
+      }
+      if (y) {
+        y0 = z[0], y1 = z[1];
+        if (x) y0 = y0[1], y1 = y1[1];
+        yExtentDomain = [ y0, y1 ];
+        if (y.invert) y0 = y(y0), y1 = y(y1);
+        if (y1 < y0) t = y0, y0 = y1, y1 = t;
+        if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
+      }
+      return brush;
+    };
+    brush.clear = function() {
+      if (!brush.empty()) {
+        xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
+        xExtentDomain = yExtentDomain = null;
+      }
+      return brush;
+    };
+    brush.empty = function() {
+      return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
+    };
+    return d3.rebind(brush, event, "on");
+  };
+  var d3_svg_brushCursor = {
+    n: "ns-resize",
+    e: "ew-resize",
+    s: "ns-resize",
+    w: "ew-resize",
+    nw: "nwse-resize",
+    ne: "nesw-resize",
+    se: "nwse-resize",
+    sw: "nesw-resize"
+  };
+  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+  var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
+  var d3_time_formatUtc = d3_time_format.utc;
+  var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
+  d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
+  function d3_time_formatIsoNative(date) {
+    return date.toISOString();
+  }
+  d3_time_formatIsoNative.parse = function(string) {
+    var date = new Date(string);
+    return isNaN(date) ? null : date;
+  };
+  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+  d3_time.second = d3_time_interval(function(date) {
+    return new d3_date(Math.floor(date / 1e3) * 1e3);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+  }, function(date) {
+    return date.getSeconds();
+  });
+  d3_time.seconds = d3_time.second.range;
+  d3_time.seconds.utc = d3_time.second.utc.range;
+  d3_time.minute = d3_time_interval(function(date) {
+    return new d3_date(Math.floor(date / 6e4) * 6e4);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+  }, function(date) {
+    return date.getMinutes();
+  });
+  d3_time.minutes = d3_time.minute.range;
+  d3_time.minutes.utc = d3_time.minute.utc.range;
+  d3_time.hour = d3_time_interval(function(date) {
+    var timezone = date.getTimezoneOffset() / 60;
+    return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+  }, function(date, offset) {
+    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+  }, function(date) {
+    return date.getHours();
+  });
+  d3_time.hours = d3_time.hour.range;
+  d3_time.hours.utc = d3_time.hour.utc.range;
+  d3_time.month = d3_time_interval(function(date) {
+    date = d3_time.day(date);
+    date.setDate(1);
+    return date;
+  }, function(date, offset) {
+    date.setMonth(date.getMonth() + offset);
+  }, function(date) {
+    return date.getMonth();
+  });
+  d3_time.months = d3_time.month.range;
+  d3_time.months.utc = d3_time.month.utc.range;
+  function d3_time_scale(linear, methods, format) {
+    function scale(x) {
+      return linear(x);
+    }
+    scale.invert = function(x) {
+      return d3_time_scaleDate(linear.invert(x));
+    };
+    scale.domain = function(x) {
+      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+      linear.domain(x);
+      return scale;
+    };
+    function tickMethod(extent, count) {
+      var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
+      return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
+        return d / 31536e6;
+      }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
+    }
+    scale.nice = function(interval, skip) {
+      var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
+      if (method) interval = method[0], skip = method[1];
+      function skipped(date) {
+        return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
+      }
+      return scale.domain(d3_scale_nice(domain, skip > 1 ? {
+        floor: function(date) {
+          while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
+          return date;
+        },
+        ceil: function(date) {
+          while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
+          return date;
+        }
+      } : interval));
+    };
+    scale.ticks = function(interval, skip) {
+      var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
+        range: interval
+      }, skip ];
+      if (method) interval = method[0], skip = method[1];
+      return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
+    };
+    scale.tickFormat = function() {
+      return format;
+    };
+    scale.copy = function() {
+      return d3_time_scale(linear.copy(), methods, format);
+    };
+    return d3_scale_linearRebind(scale, linear);
+  }
+  function d3_time_scaleDate(t) {
+    return new Date(t);
+  }
+  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+  var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];
+  var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
+    return d.getMilliseconds();
+  } ], [ ":%S", function(d) {
+    return d.getSeconds();
+  } ], [ "%I:%M", function(d) {
+    return d.getMinutes();
+  } ], [ "%I %p", function(d) {
+    return d.getHours();
+  } ], [ "%a %d", function(d) {
+    return d.getDay() && d.getDate() != 1;
+  } ], [ "%b %d", function(d) {
+    return d.getDate() != 1;
+  } ], [ "%B", function(d) {
+    return d.getMonth();
+  } ], [ "%Y", d3_true ] ]);
+  var d3_time_scaleMilliseconds = {
+    range: function(start, stop, step) {
+      return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
+    },
+    floor: d3_identity,
+    ceil: d3_identity
+  };
+  d3_time_scaleLocalMethods.year = d3_time.year;
+  d3_time.scale = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+  };
+  var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
+    return [ m[0].utc, m[1] ];
+  });
+  var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
+    return d.getUTCMilliseconds();
+  } ], [ ":%S", function(d) {
+    return d.getUTCSeconds();
+  } ], [ "%I:%M", function(d) {
+    return d.getUTCMinutes();
+  } ], [ "%I %p", function(d) {
+    return d.getUTCHours();
+  } ], [ "%a %d", function(d) {
+    return d.getUTCDay() && d.getUTCDate() != 1;
+  } ], [ "%b %d", function(d) {
+    return d.getUTCDate() != 1;
+  } ], [ "%B", function(d) {
+    return d.getUTCMonth();
+  } ], [ "%Y", d3_true ] ]);
+  d3_time_scaleUtcMethods.year = d3_time.year.utc;
+  d3_time.scale.utc = function() {
+    return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
+  };
+  d3.text = d3_xhrType(function(request) {
+    return request.responseText;
+  });
+  d3.json = function(url, callback) {
+    return d3_xhr(url, "application/json", d3_json, callback);
+  };
+  function d3_json(request) {
+    return JSON.parse(request.responseText);
+  }
+  d3.html = function(url, callback) {
+    return d3_xhr(url, "text/html", d3_html, callback);
+  };
+  function d3_html(request) {
+    var range = d3_document.createRange();
+    range.selectNode(d3_document.body);
+    return range.createContextualFragment(request.responseText);
+  }
+  d3.xml = d3_xhrType(function(request) {
+    return request.responseXML;
+  });
+  if (typeof define === "function" && define.amd) {
+    define(d3);
+  } else if (typeof module === "object" && module.exports) {
+    module.exports = d3;
+  } else {
+    this.d3 = d3;
+  }
+}();
\ No newline at end of file
diff --git a/cloudkittydashboard/static/cloudkitty/js/d3pie.js b/cloudkittydashboard/static/cloudkitty/js/d3pie.js
new file mode 100644
index 0000000..4802a85
--- /dev/null
+++ b/cloudkittydashboard/static/cloudkitty/js/d3pie.js
@@ -0,0 +1,2107 @@
+/*!
+ * d3pie
+ * @author Ben Keen
+ * @version 0.1.4
+ * @date Oct 2014 - [still in dev!]
+ * @repo http://github.com/benkeen/d3pie
+ */
+
+// UMD pattern from https://github.com/umdjs/umd/blob/master/returnExports.js
+(function(root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module
+    define([], factory);
+  } else if (typeof exports === 'object') {
+    // Node. Does not work with strict CommonJS, but only CommonJS-like environments that support module.exports,
+    // like Node
+    module.exports = factory(require());
+  } else {
+    // browser globals (root is window)
+    root.d3pie = factory(root);
+  }
+}(this, function() {
+
+	var _scriptName = "d3pie";
+	var _version = "0.1.5";
+
+	// used to uniquely generate IDs and classes, ensuring no conflict between multiple pies on the same page
+	var _uniqueIDCounter = 0;
+
+
+	// this section includes all helper libs on the d3pie object. They're populated via grunt-template. Note: to keep
+	// the syntax highlighting from getting all messed up, I commented out each line. That REQUIRES each of the files
+	// to have an empty first line. Crumby, yes, but acceptable.
+	//// --------- _default-settings.js -----------/**
+/**
+ * Contains the out-the-box settings for the script. Any of these settings that aren't explicitly overridden for the
+ * d3pie instance will inherit from these. This is also included on the main website for use in the generation script.
+ */
+var defaultSettings = {
+	header: {
+		title: {
+			text:     "",
+			color:    "#333333",
+			fontSize: 18,
+			font:     "arial"
+		},
+		subtitle: {
+			text:     "",
+			color:    "#666666",
+			fontSize: 14,
+			font:     "arial"
+		},
+		location: "top-center",
+		titleSubtitlePadding: 8
+	},
+	footer: {
+		text: 	  "",
+		color:    "#666666",
+		fontSize: 14,
+		font:     "arial",
+		location: "left"
+	},
+	size: {
+		canvasHeight: 500,
+		canvasWidth: 500,
+		pieInnerRadius: "0%",
+		pieOuterRadius: null
+	},
+	data: {
+		sortOrder: "none",
+		ignoreSmallSegments: {
+			enabled: false,
+			valueType: "percentage",
+			value: null
+		},
+		smallSegmentGrouping: {
+			enabled: false,
+			value: 1,
+			valueType: "percentage",
+			label: "Other",
+			color: "#cccccc"
+		},
+		content: []
+	},
+	labels: {
+		outer: {
+			format: "label",
+			hideWhenLessThanPercentage: null,
+			pieDistance: 30
+		},
+		inner: {
+			format: "percentage",
+			hideWhenLessThanPercentage: null
+		},
+		mainLabel: {
+			color: "#333333",
+			font: "arial",
+			fontSize: 10
+		},
+		percentage: {
+			color: "#dddddd",
+			font: "arial",
+			fontSize: 10,
+			decimalPlaces: 0
+		},
+		value: {
+			color: "#cccc44",
+			font: "arial",
+			fontSize: 10
+		},
+		lines: {
+			enabled: true,
+			style: "curved",
+			color: "segment"
+		},
+		truncation: {
+			enabled: false,
+			length: 30
+		}
+	},
+	effects: {
+		load: {
+			effect: "default",
+			speed: 1000
+		},
+		pullOutSegmentOnClick: {
+			effect: "bounce",
+			speed: 300,
+			size: 10
+		},
+		highlightSegmentOnMouseover: true,
+		highlightLuminosity: -0.2
+	},
+	tooltips: {
+		enabled: false,
+		type: "placeholder", // caption|placeholder
+    string: "",
+    placeholderParser: null,
+		styles: {
+      fadeInSpeed: 250,
+			backgroundColor: "#000000",
+      backgroundOpacity: 0.5,
+			color: "#efefef",
+      borderRadius: 2,
+      font: "arial",
+      fontSize: 10,
+      padding: 4
+		}
+	},
+	misc: {
+		colors: {
+			background: null,
+			segments: [
+				"#2484c1", "#65a620", "#7b6888", "#a05d56", "#961a1a", "#d8d23a", "#e98125", "#d0743c", "#635222", "#6ada6a",
+				"#0c6197", "#7d9058", "#207f33", "#44b9b0", "#bca44a", "#e4a14b", "#a3acb2", "#8cc3e9", "#69a6f9", "#5b388f",
+				"#546e91", "#8bde95", "#d2ab58", "#273c71", "#98bf6e", "#4daa4b", "#98abc5", "#cc1010", "#31383b", "#006391",
+				"#c2643f", "#b0a474", "#a5a39c", "#a9c2bc", "#22af8c", "#7fcecf", "#987ac6", "#3d3b87", "#b77b1c", "#c9c2b6",
+				"#807ece", "#8db27c", "#be66a2", "#9ed3c6", "#00644b", "#005064", "#77979f", "#77e079", "#9c73ab", "#1f79a7"
+			],
+			segmentStroke: "#ffffff"
+		},
+		gradient: {
+			enabled: false,
+			percentage: 95,
+			color: "#000000"
+		},
+		canvasPadding: {
+			top: 5,
+			right: 5,
+			bottom: 5,
+			left: 5
+		},
+		pieCenterOffset: {
+			x: 0,
+			y: 0
+		},
+		cssPrefix: null
+	},
+	callbacks: {
+		onload: null,
+		onMouseoverSegment: null,
+		onMouseoutSegment: null,
+		onClickSegment: null
+	}
+};
+
+	//// --------- validate.js -----------
+var validate = {
+
+	// called whenever a new pie chart is created
+	initialCheck: function(pie) {
+		var cssPrefix = pie.cssPrefix;
+		var element = pie.element;
+		var options = pie.options;
+
+		// confirm d3 is available [check minimum version]
+		if (!window.d3 || !window.d3.hasOwnProperty("version")) {
+			console.error("d3pie error: d3 is not available");
+			return false;
+		}
+
+		// confirm element is either a DOM element or a valid string for a DOM element
+		if (!(element instanceof HTMLElement)) {
+			console.error("d3pie error: the first d3pie() param must be a valid DOM element (not jQuery) or a ID string.");
+			return false;
+		}
+
+		// confirm the CSS prefix is valid. It has to start with a-Z and contain nothing but a-Z0-9_-
+		if (!(/[a-zA-Z][a-zA-Z0-9_-]*$/.test(cssPrefix))) {
+			console.error("d3pie error: invalid options.misc.cssPrefix");
+			return false;
+		}
+
+		// confirm some data has been supplied
+		if (!helpers.isArray(options.data.content)) {
+			console.error("d3pie error: invalid config structure: missing data.content property.");
+			return false;
+		}
+		if (options.data.content.length === 0) {
+			console.error("d3pie error: no data supplied.");
+			return false;
+		}
+
+		// clear out any invalid data. Each data row needs a valid positive number and a label
+		var data = [];
+		for (var i=0; i<options.data.content.length; i++) {
+			if (typeof options.data.content[i].value !== "number" || isNaN(options.data.content[i].value)) {
+				console.log("not valid: ", options.data.content[i]);
+				continue;
+			}
+			if (options.data.content[i].value <= 0) {
+				console.log("not valid - should have positive value: ", options.data.content[i]);
+				continue;
+			}
+			data.push(options.data.content[i]);
+		}
+		pie.options.data.content = data;
+
+		// labels.outer.hideWhenLessThanPercentage - 1-100
+		// labels.inner.hideWhenLessThanPercentage - 1-100
+
+		return true;
+	}
+};
+	//// --------- helpers.js -----------
+var helpers = {
+
+	// creates the SVG element
+	addSVGSpace: function(pie) {
+		var element = pie.element;
+		var canvasWidth = pie.options.size.canvasWidth;
+		var canvasHeight = pie.options.size.canvasHeight;
+		var backgroundColor = pie.options.misc.colors.background;
+
+		var svg = d3.select(element).append("svg:svg")
+			.attr("width", canvasWidth)
+			.attr("height", canvasHeight);
+
+		if (backgroundColor !== "transparent") {
+			svg.style("background-color", function() { return backgroundColor; });
+		}
+
+		return svg;
+	},
+
+	whenIdExists: function(id, callback) {
+		var inc = 1;
+		var giveupIterationCount = 1000;
+
+		var interval = setInterval(function() {
+			if (document.getElementById(id)) {
+				clearInterval(interval);
+				callback();
+			}
+			if (inc > giveupIterationCount) {
+				clearInterval(interval);
+			}
+			inc++;
+		}, 1);
+	},
+
+	whenElementsExist: function(els, callback) {
+		var inc = 1;
+		var giveupIterationCount = 1000;
+
+		var interval = setInterval(function() {
+			var allExist = true;
+			for (var i=0; i<els.length; i++) {
+				if (!document.getElementById(els[i])) {
+					allExist = false;
+					break;
+				}
+			}
+			if (allExist) {
+				clearInterval(interval);
+				callback();
+			}
+			if (inc > giveupIterationCount) {
+				clearInterval(interval);
+			}
+			inc++;
+		}, 1);
+	},
+
+	shuffleArray: function(array) {
+		var currentIndex = array.length, tmpVal, randomIndex;
+
+		while (0 !== currentIndex) {
+			randomIndex = Math.floor(Math.random() * currentIndex);
+			currentIndex -= 1;
+
+			// and swap it with the current element
+			tmpVal = array[currentIndex];
+			array[currentIndex] = array[randomIndex];
+			array[randomIndex] = tmpVal;
+		}
+		return array;
+	},
+
+	processObj: function(obj, is, value) {
+		if (typeof is === 'string') {
+			return helpers.processObj(obj, is.split('.'), value);
+		} else if (is.length === 1 && value !== undefined) {
+            obj[is[0]] = value;
+			return obj[is[0]];
+		} else if (is.length === 0) {
+			return obj;
+		} else {
+			return helpers.processObj(obj[is[0]], is.slice(1), value);
+		}
+	},
+
+	getDimensions: function(id) {
+		var el = document.getElementById(id);
+		var w = 0, h = 0;
+		if (el) {
+			var dimensions = el.getBBox();
+			w = dimensions.width;
+			h = dimensions.height;
+		} else {
+			console.log("error: getDimensions() " + id + " not found.");
+		}
+		return { w: w, h: h };
+	},
+
+	/**
+	 * This is based on the SVG coordinate system, where top-left is 0,0 and bottom right is n-n.
+	 * @param r1
+	 * @param r2
+	 * @returns {boolean}
+	 */
+	rectIntersect: function(r1, r2) {
+		var returnVal = (
+			// r2.left > r1.right
+			(r2.x > (r1.x + r1.w)) ||
+
+			// r2.right < r1.left
+			((r2.x + r2.w) < r1.x) ||
+
+			// r2.top < r1.bottom
+			((r2.y + r2.h) < r1.y) ||
+
+			// r2.bottom > r1.top
+			(r2.y > (r1.y + r1.h))
+		);
+
+		return !returnVal;
+	},
+
+	/**
+	 * Returns a lighter/darker shade of a hex value, based on a luminance value passed.
+	 * @param hex a hex color value such as “#abc” or “#123456″ (the hash is optional)
+	 * @param lum the luminosity factor: -0.1 is 10% darker, 0.2 is 20% lighter, etc.
+	 * @returns {string}
+	 */
+	getColorShade: function(hex, lum) {
+
+		// validate hex string
+		hex = String(hex).replace(/[^0-9a-f]/gi, '');
+		if (hex.length < 6) {
+			hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
+		}
+		lum = lum || 0;
+
+		// convert to decimal and change luminosity
+		var newHex = "#";
+		for (var i=0; i<3; i++) {
+			var c = parseInt(hex.substr(i * 2, 2), 16);
+			c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16);
+			newHex += ("00" + c).substr(c.length);
+		}
+
+		return newHex;
+	},
+
+	/**
+	 * Users can choose to specify segment colors in three ways (in order of precedence):
+	 * 	1. include a "color" attribute for each row in data.content
+	 * 	2. include a misc.colors.segments property which contains an array of hex codes
+	 * 	3. specify nothing at all and rely on this lib provide some reasonable defaults
+	 *
+	 * This function sees what's included and populates this.options.colors with whatever's required
+	 * for this pie chart.
+	 * @param data
+	 */
+	initSegmentColors: function(pie) {
+		var data   = pie.options.data.content;
+		var colors = pie.options.misc.colors.segments;
+
+		// TODO this needs a ton of error handling
+
+		var finalColors = [];
+		for (var i=0; i<data.length; i++) {
+			if (data[i].hasOwnProperty("color")) {
+				finalColors.push(data[i].color);
+			} else {
+				finalColors.push(colors[i]);
+			}
+		}
+
+		return finalColors;
+	},
+
+	applySmallSegmentGrouping: function(data, smallSegmentGrouping) {
+		var totalSize;
+		if (smallSegmentGrouping.valueType === "percentage") {
+			totalSize = math.getTotalPieSize(data);
+		}
+
+		// loop through each data item
+		var newData = [];
+		var groupedData = [];
+		var totalGroupedData = 0;
+		for (var i=0; i<data.length; i++) {
+			if (smallSegmentGrouping.valueType === "percentage") {
+				var dataPercent = (data[i].value / totalSize) * 100;
+				if (dataPercent <= smallSegmentGrouping.value) {
+					groupedData.push(data[i]);
+					totalGroupedData += data[i].value;
+					continue;
+				}
+				data[i].isGrouped = false;
+				newData.push(data[i]);
+			} else {
+				if (data[i].value <= smallSegmentGrouping.value) {
+					groupedData.push(data[i]);
+					totalGroupedData += data[i].value;
+					continue;
+				}
+				data[i].isGrouped = false;
+				newData.push(data[i]);
+			}
+		}
+
+		// we're done! See if there's any small segment groups to add
+		if (groupedData.length) {
+			newData.push({
+				color: smallSegmentGrouping.color,
+				label: smallSegmentGrouping.label,
+				value: totalGroupedData,
+				isGrouped: true,
+				groupedData: groupedData
+			});
+		}
+
+		return newData;
+	},
+
+	// for debugging
+	showPoint: function(svg, x, y) {
+		svg.append("circle").attr("cx", x).attr("cy", y).attr("r", 2).style("fill", "black");
+	},
+
+	isFunction: function(functionToCheck) {
+		var getType = {};
+		return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
+	},
+
+	isArray: function(o) {
+		return Object.prototype.toString.call(o) === '[object Array]';
+	}
+};
+
+
+// taken from jQuery
+var extend = function() {
+	var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {},
+		i = 1,
+		length = arguments.length,
+		deep = false,
+		toString = Object.prototype.toString,
+		hasOwn = Object.prototype.hasOwnProperty,
+		class2type = {
+			"[object Boolean]": "boolean",
+			"[object Number]": "number",
+			"[object String]": "string",
+			"[object Function]": "function",
+			"[object Array]": "array",
+			"[object Date]": "date",
+			"[object RegExp]": "regexp",
+			"[object Object]": "object"
+		},
+
+		jQuery = {
+			isFunction: function (obj) {
+				return jQuery.type(obj) === "function";
+			},
+			isArray: Array.isArray ||
+				function (obj) {
+					return jQuery.type(obj) === "array";
+				},
+			isWindow: function (obj) {
+				return obj !== null && obj === obj.window;
+			},
+			isNumeric: function (obj) {
+				return !isNaN(parseFloat(obj)) && isFinite(obj);
+			},
+			type: function (obj) {
+				return obj === null ? String(obj) : class2type[toString.call(obj)] || "object";
+			},
+			isPlainObject: function (obj) {
+				if (!obj || jQuery.type(obj) !== "object" || obj.nodeType) {
+					return false;
+				}
+				try {
+					if (obj.constructor && !hasOwn.call(obj, "constructor") && !hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
+						return false;
+					}
+				} catch (e) {
+					return false;
+				}
+				var key;
+				for (key in obj) {}
+				return key === undefined || hasOwn.call(obj, key);
+			}
+		};
+	if (typeof target === "boolean") {
+		deep = target;
+		target = arguments[1] || {};
+		i = 2;
+	}
+	if (typeof target !== "object" && !jQuery.isFunction(target)) {
+		target = {};
+	}
+	if (length === i) {
+		target = this;
+		--i;
+	}
+	for (i; i < length; i++) {
+		if ((options = arguments[i]) !== null) {
+			for (name in options) {
+				src = target[name];
+				copy = options[name];
+				if (target === copy) {
+					continue;
+				}
+				if (deep && copy && (jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)))) {
+					if (copyIsArray) {
+						copyIsArray = false;
+						clone = src && jQuery.isArray(src) ? src : [];
+					} else {
+						clone = src && jQuery.isPlainObject(src) ? src : {};
+					}
+					// WARNING: RECURSION
+					target[name] = extend(deep, clone, copy);
+				} else if (copy !== undefined) {
+					target[name] = copy;
+				}
+			}
+		}
+	}
+	return target;
+};
+	//// --------- math.js -----------
+var math = {
+
+	toRadians: function(degrees) {
+		return degrees * (Math.PI / 180);
+	},
+
+	toDegrees: function(radians) {
+		return radians * (180 / Math.PI);
+	},
+
+	computePieRadius: function(pie) {
+		var size = pie.options.size;
+		var canvasPadding = pie.options.misc.canvasPadding;
+
+		// outer radius is either specified (e.g. through the generator), or omitted altogether
+		// and calculated based on the canvas dimensions. Right now the estimated version isn't great - it should
+		// be possible to calculate it to precisely generate the maximum sized pie, but it's fussy as heck. Something
+		// for the next release.
+
+		// first, calculate the default _outerRadius
+		var w = size.canvasWidth - canvasPadding.left - canvasPadding.right;
+		var h = size.canvasHeight - canvasPadding.top - canvasPadding.bottom;
+
+		// now factor in the footer, title & subtitle
+    if (pie.options.header.location !== "pie-center") {
+      h -= pie.textComponents.headerHeight;
+    }
+
+    if (pie.textComponents.footer.exists) {
+      h -= pie.textComponents.footer.h;
+    }
+
+		// for really teeny pies, h may be < 0. Adjust it back
+		h = (h < 0) ? 0 : h;
+
+		var outerRadius = ((w < h) ? w : h) / 3;
+		var innerRadius, percent;
+
+		// if the user specified something, use that instead
+		if (size.pieOuterRadius !== null) {
+			if (/%/.test(size.pieOuterRadius)) {
+				percent = parseInt(size.pieOuterRadius.replace(/[\D]/, ""), 10);
+				percent = (percent > 99) ? 99 : percent;
+				percent = (percent < 0) ? 0 : percent;
+
+				var smallestDimension = (w < h) ? w : h;
+
+				// now factor in the label line size
+				if (pie.options.labels.outer.format !== "none") {
+					var pieDistanceSpace = parseInt(pie.options.labels.outer.pieDistance, 10) * 2;
+					if (smallestDimension - pieDistanceSpace > 0) {
+						smallestDimension -= pieDistanceSpace;
+					}
+				}
+
+				outerRadius = Math.floor((smallestDimension / 100) * percent) / 2;
+			} else {
+				outerRadius = parseInt(size.pieOuterRadius, 10);
+			}
+		}
+
+		// inner radius
+		if (/%/.test(size.pieInnerRadius)) {
+			percent = parseInt(size.pieInnerRadius.replace(/[\D]/, ""), 10);
+			percent = (percent > 99) ? 99 : percent;
+			percent = (percent < 0) ? 0 : percent;
+			innerRadius = Math.floor((outerRadius / 100) * percent);
+		} else {
+			innerRadius = parseInt(size.pieInnerRadius, 10);
+		}
+
+		pie.innerRadius = innerRadius;
+		pie.outerRadius = outerRadius;
+	},
+
+	getTotalPieSize: function(data) {
+		var totalSize = 0;
+		for (var i=0; i<data.length; i++) {
+			totalSize += data[i].value;
+		}
+		return totalSize;
+	},
+
+	sortPieData: function(pie) {
+		var data                 = pie.options.data.content;
+		var sortOrder            = pie.options.data.sortOrder;
+
+		switch (sortOrder) {
+			case "none":
+				// do nothing
+				break;
+			case "random":
+				data = helpers.shuffleArray(data);
+				break;
+			case "value-asc":
+				data.sort(function(a, b) { return (a.value < b.value) ? -1 : 1; });
+				break;
+			case "value-desc":
+				data.sort(function(a, b) { return (a.value < b.value) ? 1 : -1; });
+				break;
+			case "label-asc":
+				data.sort(function(a, b) { return (a.label.toLowerCase() > b.label.toLowerCase()) ? 1 : -1; });
+				break;
+			case "label-desc":
+				data.sort(function(a, b) { return (a.label.toLowerCase() < b.label.toLowerCase()) ? 1 : -1; });
+				break;
+		}
+
+		return data;
+	},
+
+	
+
+	// var pieCenter = math.getPieCenter();
+	getPieTranslateCenter: function(pieCenter) {
+		return "translate(" + pieCenter.x + "," + pieCenter.y + ")";
+	},
+
+	/**
+	 * Used to determine where on the canvas the center of the pie chart should be. It takes into account the
+	 * height and position of the title, subtitle and footer, and the various paddings.
+	 * @private
+	 */
+	calculatePieCenter: function(pie) {
+		var pieCenterOffset = pie.options.misc.pieCenterOffset;
+		var hasTopTitle    = (pie.textComponents.title.exists && pie.options.header.location !== "pie-center");
+		var hasTopSubtitle = (pie.textComponents.subtitle.exists && pie.options.header.location !== "pie-center");
+
+		var headerOffset = pie.options.misc.canvasPadding.top;
+		if (hasTopTitle && hasTopSubtitle) {
+			headerOffset += pie.textComponents.title.h + pie.options.header.titleSubtitlePadding + pie.textComponents.subtitle.h;
+		} else if (hasTopTitle) {
+			headerOffset += pie.textComponents.title.h;
+		} else if (hasTopSubtitle) {
+			headerOffset += pie.textComponents.subtitle.h;
+		}
+
+		var footerOffset = 0;
+		if (pie.textComponents.footer.exists) {
+			footerOffset = pie.textComponents.footer.h + pie.options.misc.canvasPadding.bottom;
+		}
+
+		var x = ((pie.options.size.canvasWidth - pie.options.misc.canvasPadding.left - pie.options.misc.canvasPadding.right) / 2) + pie.options.misc.canvasPadding.left;
+		var y = ((pie.options.size.canvasHeight - footerOffset - headerOffset) / 2) + headerOffset;
+
+		x += pieCenterOffset.x;
+		y += pieCenterOffset.y;
+
+		pie.pieCenter = { x: x, y: y };
+	},
+
+
+	/**
+	 * Rotates a point (x, y) around an axis (xm, ym) by degrees (a).
+	 * @param x
+	 * @param y
+	 * @param xm
+	 * @param ym
+	 * @param a angle in degrees
+	 * @returns {Array}
+	 */
+	rotate: function(x, y, xm, ym, a) {
+
+        a = a * Math.PI / 180; // convert to radians
+
+        var cos = Math.cos,
+			sin = Math.sin,
+		// subtract midpoints, so that midpoint is translated to origin and add it in the end again
+		xr = (x - xm) * cos(a) - (y - ym) * sin(a) + xm,
+		yr = (x - xm) * sin(a) + (y - ym) * cos(a) + ym;
+
+		return { x: xr, y: yr };
+	},
+
+	/**
+	 * Translates a point x, y by distance d, and by angle a.
+	 * @param x
+	 * @param y
+	 * @param dist
+	 * @param a angle in degrees
+	 */
+	translate: function(x, y, d, a) {
+		var rads = math.toRadians(a);
+		return {
+			x: x + d * Math.sin(rads),
+			y: y - d * Math.cos(rads)
+		};
+	},
+
+	// from: http://stackoverflow.com/questions/19792552/d3-put-arc-labels-in-a-pie-chart-if-there-is-enough-space
+	pointIsInArc: function(pt, ptData, d3Arc) {
+		// Center of the arc is assumed to be 0,0
+		// (pt.x, pt.y) are assumed to be relative to the center
+		var r1 = d3Arc.innerRadius()(ptData), // Note: Using the innerRadius
+			r2 = d3Arc.outerRadius()(ptData),
+			theta1 = d3Arc.startAngle()(ptData),
+			theta2 = d3Arc.endAngle()(ptData);
+
+		var dist = pt.x * pt.x + pt.y * pt.y,
+			angle = Math.atan2(pt.x, -pt.y); // Note: different coordinate system
+
+		angle = (angle < 0) ? (angle + Math.PI * 2) : angle;
+
+		return (r1 * r1 <= dist) && (dist <= r2 * r2) &&
+			(theta1 <= angle) && (angle <= theta2);
+	}
+};
+
+	//// --------- labels.js -----------
+var labels = {
+
+	/**
+	 * Adds the labels to the pie chart, but doesn't position them. There are two locations for the
+	 * labels: inside (center) of the segments, or outside the segments on the edge.
+	 * @param section "inner" or "outer"
+	 * @param sectionDisplayType "percentage", "value", "label", "label-value1", etc.
+	 * @param pie
+	 */
+	add: function(pie, section, sectionDisplayType) {
+		var include = labels.getIncludes(sectionDisplayType);
+		var settings = pie.options.labels;
+
+		// group the label groups (label, percentage, value) into a single element for simpler positioning
+		var outerLabel = pie.svg.insert("g", "." + pie.cssPrefix + "labels-" + section)
+			.attr("class", pie.cssPrefix + "labels-" + section);
+
+		var labelGroup = outerLabel.selectAll("." + pie.cssPrefix + "labelGroup-" + section)
+			.data(pie.options.data.content)
+			.enter()
+			.append("g")
+			.attr("id", function(d, i) { return pie.cssPrefix + "labelGroup" + i + "-" + section; })
+			.attr("data-index", function(d, i) { return i; })
+			.attr("class", pie.cssPrefix + "labelGroup-" + section)
+			.style("opacity", 0);
+
+		// 1. Add the main label
+		if (include.mainLabel) {
+			labelGroup.append("text")
+				.attr("id", function(d, i) { return pie.cssPrefix + "segmentMainLabel" + i + "-" + section; })
+				.attr("class", pie.cssPrefix + "segmentMainLabel-" + section)
+				.text(function(d) {
+					var str = d.label;
+					if (settings.truncation.enabled && d.label.length > settings.truncation.length) {
+						str = d.label.substring(0, settings.truncation.length) + "...";
+					}
+					return str;
+				})
+				.style("font-size", settings.mainLabel.fontSize + "px")
+				.style("font-family", settings.mainLabel.font)
+				.style("fill", settings.mainLabel.color);
+		}
+
+		// 2. Add the percentage label
+		if (include.percentage) {
+			labelGroup.append("text")
+				.attr("id", function(d, i) { return pie.cssPrefix + "segmentPercentage" + i + "-" + section; })
+				.attr("class", pie.cssPrefix + "segmentPercentage-" + section)
+				.text(function(d, i) {
+          return segments.getPercentage(pie, i) + "%";
+				})
+				.style("font-size", settings.percentage.fontSize + "px")
+				.style("font-family", settings.percentage.font)
+				.style("fill", settings.percentage.color);
+		}
+
+		// 3. Add the value label
+		if (include.value) {
+			labelGroup.append("text")
+				.attr("id", function(d, i) { return pie.cssPrefix +  "segmentValue" + i + "-" + section; })
+				.attr("class", pie.cssPrefix + "segmentValue-" + section)
+				.text(function(d) { return d.value; })
+				.style("font-size", settings.value.fontSize + "px")
+				.style("font-family", settings.value.font)
+				.style("fill", settings.value.color);
+		}
+	},
+
+	/**
+	 * @param section "inner" / "outer"
+	 */
+	positionLabelElements: function(pie, section, sectionDisplayType) {
+		labels["dimensions-" + section] = [];
+
+		// get the latest widths, heights
+		var labelGroups = d3.selectAll("." + pie.cssPrefix + "labelGroup-" + section);
+		labelGroups.each(function(d, i) {
+			var mainLabel  = d3.select(this).selectAll("." + pie.cssPrefix + "segmentMainLabel-" + section);
+			var percentage = d3.select(this).selectAll("." + pie.cssPrefix + "segmentPercentage-" + section);
+			var value      = d3.select(this).selectAll("." + pie.cssPrefix + "segmentValue-" + section);
+
+			labels["dimensions-" + section].push({
+				mainLabel:  (mainLabel.node() !== null) ? mainLabel.node().getBBox() : null,
+				percentage: (percentage.node() !== null) ? percentage.node().getBBox() : null,
+				value:      (value.node() !== null) ? value.node().getBBox() : null
+			});
+		});
+
+		var singleLinePad = 5;
+		var dims = labels["dimensions-" + section];
+		switch (sectionDisplayType) {
+			case "label-value1":
+				d3.selectAll("." + pie.cssPrefix + "segmentValue-" + section)
+					.attr("dx", function(d, i) { return dims[i].mainLabel.width + singleLinePad; });
+				break;
+			case "label-value2":
+				d3.selectAll("." + pie.cssPrefix + "segmentValue-" + section)
+					.attr("dy", function(d, i) { return dims[i].mainLabel.height; });
+				break;
+			case "label-percentage1":
+				d3.selectAll("." + pie.cssPrefix + "segmentPercentage-" + section)
+					.attr("dx", function(d, i) { return dims[i].mainLabel.width + singleLinePad; });
+				break;
+			case "label-percentage2":
+				d3.selectAll("." + pie.cssPrefix + "segmentPercentage-" + section)
+					.attr("dx", function(d, i) { return (dims[i].mainLabel.width / 2) - (dims[i].percentage.width / 2); })
+					.attr("dy", function(d, i) { return dims[i].mainLabel.height; });
+				break;
+	 	}
+	},
+
+	computeLabelLinePositions: function(pie) {
+		pie.lineCoordGroups = [];
+		d3.selectAll("." + pie.cssPrefix + "labelGroup-outer")
+			.each(function(d, i) { return labels.computeLinePosition(pie, i); });
+	},
+
+	computeLinePosition: function(pie, i) {
+		var angle = segments.getSegmentAngle(i, pie.options.data.content, pie.totalSize, { midpoint: true });
+		var originCoords = math.rotate(pie.pieCenter.x, pie.pieCenter.y - pie.outerRadius, pie.pieCenter.x, pie.pieCenter.y, angle);
+		var heightOffset = pie.outerLabelGroupData[i].h / 5; // TODO check
+		var labelXMargin = 6; // the x-distance of the label from the end of the line [TODO configurable]
+
+		var quarter = Math.floor(angle / 90);
+		var midPoint = 4;
+		var x2, y2, x3, y3;
+
+		// this resolves an issue when the
+		if (quarter === 2 && angle === 180) {
+			quarter = 1;
+		}
+
+		switch (quarter) {
+			case 0:
+				x2 = pie.outerLabelGroupData[i].x - labelXMargin - ((pie.outerLabelGroupData[i].x - labelXMargin - originCoords.x) / 2);
+				y2 = pie.outerLabelGroupData[i].y + ((originCoords.y - pie.outerLabelGroupData[i].y) / midPoint);
+				x3 = pie.outerLabelGroupData[i].x - labelXMargin;
+				y3 = pie.outerLabelGroupData[i].y - heightOffset;
+				break;
+			case 1:
+				x2 = originCoords.x + (pie.outerLabelGroupData[i].x - originCoords.x) / midPoint;
+				y2 = originCoords.y + (pie.outerLabelGroupData[i].y - originCoords.y) / midPoint;
+				x3 = pie.outerLabelGroupData[i].x - labelXMargin;
+				y3 = pie.outerLabelGroupData[i].y - heightOffset;
+				break;
+			case 2:
+				var startOfLabelX = pie.outerLabelGroupData[i].x + pie.outerLabelGroupData[i].w + labelXMargin;
+				x2 = originCoords.x - (originCoords.x - startOfLabelX) / midPoint;
+				y2 = originCoords.y + (pie.outerLabelGroupData[i].y - originCoords.y) / midPoint;
+				x3 = pie.outerLabelGroupData[i].x + pie.outerLabelGroupData[i].w + labelXMargin;
+				y3 = pie.outerLabelGroupData[i].y - heightOffset;
+				break;
+			case 3:
+				var startOfLabel = pie.outerLabelGroupData[i].x + pie.outerLabelGroupData[i].w + labelXMargin;
+				x2 = startOfLabel + ((originCoords.x - startOfLabel) / midPoint);
+				y2 = pie.outerLabelGroupData[i].y + (originCoords.y - pie.outerLabelGroupData[i].y) / midPoint;
+				x3 = pie.outerLabelGroupData[i].x + pie.outerLabelGroupData[i].w + labelXMargin;
+				y3 = pie.outerLabelGroupData[i].y - heightOffset;
+				break;
+		}
+
+		/*
+		 * x1 / y1: the x/y coords of the start of the line, at the mid point of the segments arc on the pie circumference
+		 * x2 / y2: if "curved" line style is being used, this is the midpoint of the line. Other
+		 * x3 / y3: the end of the line; closest point to the label
+		 */
+		if (pie.options.labels.lines.style === "straight") {
+			pie.lineCoordGroups[i] = [
+				{ x: originCoords.x, y: originCoords.y },
+				{ x: x3, y: y3 }
+			];
+		} else {
+			pie.lineCoordGroups[i] = [
+				{ x: originCoords.x, y: originCoords.y },
+				{ x: x2, y: y2 },
+				{ x: x3, y: y3 }
+			];
+		}
+	},
+
+	addLabelLines: function(pie) {
+		var lineGroups = pie.svg.insert("g", "." + pie.cssPrefix + "pieChart") // meaning, BEFORE .pieChart
+			.attr("class", pie.cssPrefix + "lineGroups")
+			.style("opacity", 0);
+
+		var lineGroup = lineGroups.selectAll("." + pie.cssPrefix + "lineGroup")
+			.data(pie.lineCoordGroups)
+			.enter()
+			.append("g")
+			.attr("class", pie.cssPrefix + "lineGroup");
+
+		var lineFunction = d3.svg.line()
+			.interpolate("basis")
+			.x(function(d) { return d.x; })
+			.y(function(d) { return d.y; });
+
+		lineGroup.append("path")
+			.attr("d", lineFunction)
+			.attr("stroke", function(d, i) {
+				return (pie.options.labels.lines.color === "segment") ? pie.options.colors[i] : pie.options.labels.lines.color;
+			})
+			.attr("stroke-width", 1)
+			.attr("fill", "none")
+			.style("opacity", function(d, i) {
+				var percentage = pie.options.labels.outer.hideWhenLessThanPercentage;
+				var segmentPercentage = segments.getPercentage(pie, i);
+				var isHidden = (percentage !== null && segmentPercentage < percentage) || pie.options.data.content[i].label === "";
+				return isHidden ? 0 : 1;
+			});
+	},
+
+	positionLabelGroups: function(pie, section) {
+		d3.selectAll("." + pie.cssPrefix + "labelGroup-" + section)
+			.style("opacity", 0)
+			.attr("transform", function(d, i) {
+				var x, y;
+				if (section === "outer") {
+					x = pie.outerLabelGroupData[i].x;
+					y = pie.outerLabelGroupData[i].y;
+				} else {
+					var pieCenterCopy = extend(true, {}, pie.pieCenter);
+
+					// now recompute the "center" based on the current _innerRadius
+					if (pie.innerRadius > 0) {
+						var angle = segments.getSegmentAngle(i, pie.options.data.content, pie.totalSize, { midpoint: true });
+						var newCoords = math.translate(pie.pieCenter.x, pie.pieCenter.y, pie.innerRadius, angle);
+						pieCenterCopy.x = newCoords.x;
+						pieCenterCopy.y = newCoords.y;
+					}
+
+					var dims = helpers.getDimensions(pie.cssPrefix + "labelGroup" + i + "-inner");
+					var xOffset = dims.w / 2;
+					var yOffset = dims.h / 4; // confusing! Why 4? should be 2, but it doesn't look right
+
+					x = pieCenterCopy.x + (pie.lineCoordGroups[i][0].x - pieCenterCopy.x) / 1.8;
+					y = pieCenterCopy.y + (pie.lineCoordGroups[i][0].y - pieCenterCopy.y) / 1.8;
+
+					x = x - xOffset;
+					y = y + yOffset;
+				}
+
+				return "translate(" + x + "," + y + ")";
+			});
+	},
+
+
+	fadeInLabelsAndLines: function(pie) {
+
+		// fade in the labels when the load effect is complete - or immediately if there's no load effect
+		var loadSpeed = (pie.options.effects.load.effect === "default") ? pie.options.effects.load.speed : 1;
+		setTimeout(function() {
+			var labelFadeInTime = (pie.options.effects.load.effect === "default") ? 400 : 1; // 400 is hardcoded for the present
+
+			d3.selectAll("." + pie.cssPrefix + "labelGroup-outer")
+				.transition()
+				.duration(labelFadeInTime)
+				.style("opacity", function(d, i) {
+					var percentage = pie.options.labels.outer.hideWhenLessThanPercentage;
+					var segmentPercentage = segments.getPercentage(pie, i);
+					return (percentage !== null && segmentPercentage < percentage) ? 0 : 1;
+				});
+
+			d3.selectAll("." + pie.cssPrefix + "labelGroup-inner")
+				.transition()
+				.duration(labelFadeInTime)
+				.style("opacity", function(d, i) {
+					var percentage = pie.options.labels.inner.hideWhenLessThanPercentage;
+					var segmentPercentage = segments.getPercentage(pie, i);
+					return (percentage !== null && segmentPercentage < percentage) ? 0 : 1;
+				});
+
+			d3.selectAll("g." + pie.cssPrefix + "lineGroups")
+				.transition()
+				.duration(labelFadeInTime)
+				.style("opacity", 1);
+
+			// once everything's done loading, trigger the onload callback if defined
+			if (helpers.isFunction(pie.options.callbacks.onload)) {
+				setTimeout(function() {
+					try {
+						pie.options.callbacks.onload();
+					} catch (e) { }
+				}, labelFadeInTime);
+			}
+		}, loadSpeed);
+	},
+
+	getIncludes: function(val) {
+		var addMainLabel  = false;
+		var addValue      = false;
+		var addPercentage = false;
+
+		// TODO refactor... somehow
+		switch (val) {
+			case "label":
+				addMainLabel = true;
+				break;
+			case "value":
+				addValue = true;
+				break;
+			case "percentage":
+				addPercentage = true;
+				break;
+			case "label-value1":
+			case "label-value2":
+				addMainLabel = true;
+				addValue = true;
+				break;
+			case "label-percentage1":
+			case "label-percentage2":
+				addMainLabel = true;
+				addPercentage = true;
+				break;
+		}
+		return {
+			mainLabel: addMainLabel,
+			value: addValue,
+			percentage: addPercentage
+		};
+	},
+
+
+	/**
+	 * This does the heavy-lifting to compute the actual coordinates for the outer label groups. It does two things:
+	 * 1. Make a first pass and position them in the ideal positions, based on the pie sizes
+	 * 2. Do some basic collision avoidance.
+	 */
+	computeOuterLabelCoords: function(pie) {
+
+		// 1. figure out the ideal positions for the outer labels
+		pie.svg.selectAll("." + pie.cssPrefix + "labelGroup-outer")
+			.each(function(d, i) {
+				return labels.getIdealOuterLabelPositions(pie, i);
+			});
+
+		// 2. now adjust those positions to try to accommodate conflicts
+		labels.resolveOuterLabelCollisions(pie);
+	},
+
+	/**
+	 * This attempts to resolve label positioning collisions.
+	 */
+	resolveOuterLabelCollisions: function(pie) {
+		var size = pie.options.data.content.length;
+		labels.checkConflict(pie, 0, "clockwise", size);
+		labels.checkConflict(pie, size-1, "anticlockwise", size);
+	},
+
+	checkConflict: function(pie, currIndex, direction, size) {
+        var i,curr;
+
+		if (size <= 1) {
+			return;
+		}
+
+		var currIndexHemisphere = pie.outerLabelGroupData[currIndex].hs;
+		if (direction === "clockwise" && currIndexHemisphere !== "right") {
+			return;
+		}
+		if (direction === "anticlockwise" && currIndexHemisphere !== "left") {
+			return;
+		}
+		var nextIndex = (direction === "clockwise") ? currIndex+1 : currIndex-1;
+
+		// this is the current label group being looked at. We KNOW it's positioned properly (the first item
+		// is always correct)
+		var currLabelGroup = pie.outerLabelGroupData[currIndex];
+
+		// this one we don't know about. That's the one we're going to look at and move if necessary
+		var examinedLabelGroup = pie.outerLabelGroupData[nextIndex];
+
+		var info = {
+			labelHeights: pie.outerLabelGroupData[0].h,
+			center: pie.pieCenter,
+			lineLength: (pie.outerRadius + pie.options.labels.outer.pieDistance),
+			heightChange: pie.outerLabelGroupData[0].h + 1 // 1 = padding
+		};
+
+		// loop through *ALL* label groups examined so far to check for conflicts. This is because when they're
+		// very tightly fitted, a later label group may still appear high up on the page
+		if (direction === "clockwise") {
+            i=0;
+			for (; i<=currIndex; i++) {
+				curr = pie.outerLabelGroupData[i];
+
+				// if there's a conflict with this label group, shift the label to be AFTER the last known
+				// one that's been properly placed
+				if (helpers.rectIntersect(curr, examinedLabelGroup)) {
+					labels.adjustLabelPos(pie, nextIndex, currLabelGroup, info);
+					break;
+				}
+			}
+		} else {
+            i=size-1;
+			for (; i>=currIndex; i--) {
+				curr = pie.outerLabelGroupData[i];
+
+				// if there's a conflict with this label group, shift the label to be AFTER the last known
+				// one that's been properly placed
+				if (helpers.rectIntersect(curr, examinedLabelGroup)) {
+					labels.adjustLabelPos(pie, nextIndex, currLabelGroup, info);
+					break;
+				}
+			}
+		}
+		labels.checkConflict(pie, nextIndex, direction, size);
+	},
+
+	// does a little math to shift a label into a new position based on the last properly placed one
+	adjustLabelPos: function(pie, nextIndex, lastCorrectlyPositionedLabel, info) {
+		var xDiff, yDiff, newXPos, newYPos;
+		newYPos = lastCorrectlyPositionedLabel.y + info.heightChange;
+		yDiff = info.center.y - newYPos;
+
+		if (Math.abs(info.lineLength) > Math.abs(yDiff)) {
+			xDiff = Math.sqrt((info.lineLength * info.lineLength) - (yDiff * yDiff));
+		} else {
+			xDiff = Math.sqrt((yDiff * yDiff) - (info.lineLength * info.lineLength));
+		}
+
+		// ahhh! info.lineLength is no longer a constant.....
+
+		if (lastCorrectlyPositionedLabel.hs === "right") {
+			newXPos = info.center.x + xDiff;
+		} else {
+			newXPos = info.center.x - xDiff - pie.outerLabelGroupData[nextIndex].w;
+		}
+
+		pie.outerLabelGroupData[nextIndex].x = newXPos;
+		pie.outerLabelGroupData[nextIndex].y = newYPos;
+	},
+
+	/**
+	 * @param i 0-N where N is the dataset size - 1.
+	 */
+	getIdealOuterLabelPositions: function(pie, i) {
+		var labelGroupDims = d3.select("#" + pie.cssPrefix + "labelGroup" + i + "-outer").node().getBBox();
+		var angle = segments.getSegmentAngle(i, pie.options.data.content, pie.totalSize, { midpoint: true });
+
+		var originalX = pie.pieCenter.x;
+		var originalY = pie.pieCenter.y - (pie.outerRadius + pie.options.labels.outer.pieDistance);
+		var newCoords = math.rotate(originalX, originalY, pie.pieCenter.x, pie.pieCenter.y, angle);
+
+		// if the label is on the left half of the pie, adjust the values
+		var hemisphere = "right"; // hemisphere
+		if (angle > 180) {
+			newCoords.x -= (labelGroupDims.width + 8);
+			hemisphere = "left";
+		} else {
+			newCoords.x += 8;
+		}
+
+		pie.outerLabelGroupData[i] = {
+			x: newCoords.x,
+			y: newCoords.y,
+			w: labelGroupDims.width,
+			h: labelGroupDims.height,
+			hs: hemisphere
+		};
+	}
+};
+
+	//// --------- segments.js -----------
+var segments = {
+
+	/**
+	 * Creates the pie chart segments and displays them according to the desired load effect.
+	 * @private
+	 */
+	create: function(pie) {
+		var pieCenter = pie.pieCenter;
+		var colors = pie.options.colors;
+		var loadEffects = pie.options.effects.load;
+		var segmentStroke = pie.options.misc.colors.segmentStroke;
+
+		// we insert the pie chart BEFORE the title, to ensure the title overlaps the pie
+		var pieChartElement = pie.svg.insert("g", "#" + pie.cssPrefix + "title")
+			.attr("transform", function() { return math.getPieTranslateCenter(pieCenter); })
+			.attr("class", pie.cssPrefix + "pieChart");
+
+		var arc = d3.svg.arc()
+			.innerRadius(pie.innerRadius)
+			.outerRadius(pie.outerRadius)
+			.startAngle(0)
+			.endAngle(function(d) {
+				return (d.value / pie.totalSize) * 2 * Math.PI;
+			});
+
+		var g = pieChartElement.selectAll("." + pie.cssPrefix + "arc")
+			.data(pie.options.data.content)
+			.enter()
+			.append("g")
+			.attr("class", pie.cssPrefix + "arc");
+
+		// if we're not fading in the pie, just set the load speed to 0
+		var loadSpeed = loadEffects.speed;
+		if (loadEffects.effect === "none") {
+			loadSpeed = 0;
+		}
+
+		g.append("path")
+			.attr("id", function(d, i) { return pie.cssPrefix + "segment" + i; })
+			.attr("fill", function(d, i) {
+				var color = colors[i];
+				if (pie.options.misc.gradient.enabled) {
+					color = "url(#" + pie.cssPrefix + "grad" + i + ")";
+				}
+				return color;
+			})
+			.style("stroke", segmentStroke)
+			.style("stroke-width", 1)
+			.transition()
+			.ease("cubic-in-out")
+			.duration(loadSpeed)
+			.attr("data-index", function(d, i) { return i; })
+			.attrTween("d", function(b) {
+				var i = d3.interpolate({ value: 0 }, b);
+				return function(t) {
+					return pie.arc(i(t));
+				};
+			});
+
+		pie.svg.selectAll("g." + pie.cssPrefix + "arc")
+			.attr("transform",
+			function(d, i) {
+				var angle = 0;
+				if (i > 0) {
+					angle = segments.getSegmentAngle(i-1, pie.options.data.content, pie.totalSize);
+				}
+				return "rotate(" + angle + ")";
+			}
+		);
+		pie.arc = arc;
+	},
+
+	addGradients: function(pie) {
+		var grads = pie.svg.append("defs")
+			.selectAll("radialGradient")
+			.data(pie.options.data.content)
+			.enter().append("radialGradient")
+			.attr("gradientUnits", "userSpaceOnUse")
+			.attr("cx", 0)
+			.attr("cy", 0)
+			.attr("r", "120%")
+			.attr("id", function(d, i) { return pie.cssPrefix + "grad" + i; });
+
+		grads.append("stop").attr("offset", "0%").style("stop-color", function(d, i) { return pie.options.colors[i]; });
+		grads.append("stop").attr("offset", pie.options.misc.gradient.percentage + "%").style("stop-color", pie.options.misc.gradient.color);
+	},
+
+	addSegmentEventHandlers: function(pie) {
+		var arc = d3.selectAll("." + pie.cssPrefix + "arc,." + pie.cssPrefix + "labelGroup-inner,." + pie.cssPrefix + "labelGroup-outer");
+
+		arc.on("click", function() {
+			var currentEl = d3.select(this);
+			var segment;
+
+			// mouseover works on both the segments AND the segment labels, hence the following
+			if (currentEl.attr("class") === pie.cssPrefix + "arc") {
+				segment = currentEl.select("path");
+			} else {
+				var index = currentEl.attr("data-index");
+				segment = d3.select("#" + pie.cssPrefix + "segment" + index);
+			}
+			var isExpanded = segment.attr("class") === pie.cssPrefix + "expanded";
+			segments.onSegmentEvent(pie, pie.options.callbacks.onClickSegment, segment, isExpanded);
+			if (pie.options.effects.pullOutSegmentOnClick.effect !== "none") {
+				if (isExpanded) {
+					segments.closeSegment(pie, segment.node());
+				} else {
+					segments.openSegment(pie, segment.node());
+				}
+			}
+		});
+
+		arc.on("mouseover", function() {
+			var currentEl = d3.select(this);
+			var segment, index;
+
+			if (currentEl.attr("class") === pie.cssPrefix + "arc") {
+				segment = currentEl.select("path");
+			} else {
+				index = currentEl.attr("data-index");
+				segment = d3.select("#" + pie.cssPrefix + "segment" + index);
+			}
+
+			if (pie.options.effects.highlightSegmentOnMouseover) {
+				index = segment.attr("data-index");
+				var segColor = pie.options.colors[index];
+				segment.style("fill", helpers.getColorShade(segColor, pie.options.effects.highlightLuminosity));
+			}
+
+      if (pie.options.tooltips.enabled) {
+        index = segment.attr("data-index");
+        tt.showTooltip(pie, index);
+      }
+
+			var isExpanded = segment.attr("class") === pie.cssPrefix + "expanded";
+			segments.onSegmentEvent(pie, pie.options.callbacks.onMouseoverSegment, segment, isExpanded);
+		});
+
+    arc.on("mousemove", function() {
+      tt.moveTooltip(pie);
+    });
+
+		arc.on("mouseout", function() {
+			var currentEl = d3.select(this);
+			var segment, index;
+
+			if (currentEl.attr("class") === pie.cssPrefix + "arc") {
+				segment = currentEl.select("path");
+			} else {
+				index = currentEl.attr("data-index");
+				segment = d3.select("#" + pie.cssPrefix + "segment" + index);
+			}
+
+			if (pie.options.effects.highlightSegmentOnMouseover) {
+				index = segment.attr("data-index");
+				var color = pie.options.colors[index];
+				if (pie.options.misc.gradient.enabled) {
+					color = "url(#" + pie.cssPrefix + "grad" + index + ")";
+				}
+				segment.style("fill", color);
+			}
+
+      if (pie.options.tooltips.enabled) {
+        index = segment.attr("data-index");
+        tt.hideTooltip(pie, index);
+      }
+
+			var isExpanded = segment.attr("class") === pie.cssPrefix + "expanded";
+			segments.onSegmentEvent(pie, pie.options.callbacks.onMouseoutSegment, segment, isExpanded);
+		});
+	},
+
+	// helper function used to call the click, mouseover, mouseout segment callback functions
+	onSegmentEvent: function(pie, func, segment, isExpanded) {
+		if (!helpers.isFunction(func)) {
+			return;
+		}
+		var index = parseInt(segment.attr("data-index"), 10);
+		func({
+			segment: segment.node(),
+			index: index,
+			expanded: isExpanded,
+			data: pie.options.data.content[index]
+		});
+	},
+
+	openSegment: function(pie, segment) {
+		if (pie.isOpeningSegment) {
+			return;
+		}
+		pie.isOpeningSegment = true;
+
+		// close any open segments
+		if (d3.selectAll("." + pie.cssPrefix + "expanded").length > 0) {
+			segments.closeSegment(pie, d3.select("." + pie.cssPrefix + "expanded").node());
+		}
+
+		d3.select(segment).transition()
+			.ease(pie.options.effects.pullOutSegmentOnClick.effect)
+			.duration(pie.options.effects.pullOutSegmentOnClick.speed)
+			.attr("transform", function(d, i) {
+				var c = pie.arc.centroid(d),
+					x = c[0],
+					y = c[1],
+					h = Math.sqrt(x*x + y*y),
+					pullOutSize = parseInt(pie.options.effects.pullOutSegmentOnClick.size, 10);
+
+				return "translate(" + ((x/h) * pullOutSize) + ',' + ((y/h) * pullOutSize) + ")";
+			})
+			.each("end", function(d, i) {
+				pie.currentlyOpenSegment = segment;
+				pie.isOpeningSegment = false;
+				d3.select(this).attr("class", pie.cssPrefix + "expanded");
+			});
+	},
+
+	closeSegment: function(pie, segment) {
+		d3.select(segment).transition()
+			.duration(400)
+			.attr("transform", "translate(0,0)")
+			.each("end", function(d, i) {
+				d3.select(this).attr("class", "");
+				pie.currentlyOpenSegment = null;
+			});
+	},
+
+	getCentroid: function(el) {
+		var bbox = el.getBBox();
+		return {
+			x: bbox.x + bbox.width / 2,
+			y: bbox.y + bbox.height / 2
+		};
+	},
+
+	/**
+	 * General helper function to return a segment's angle, in various different ways.
+	 * @param index
+	 * @param opts optional object for fine-tuning exactly what you want.
+	 */
+	getSegmentAngle: function(index, data, totalSize, opts) {
+		var options = extend({
+			// if true, this returns the full angle from the origin. Otherwise it returns the single segment angle
+			compounded: true,
+
+			// optionally returns the midpoint of the angle instead of the full angle
+			midpoint: false
+		}, opts);
+
+		var currValue = data[index].value;
+		var fullValue;
+		if (options.compounded) {
+			fullValue = 0;
+
+			// get all values up to and including the specified index
+			for (var i=0; i<=index; i++) {
+				fullValue += data[i].value;
+			}
+		}
+
+		if (typeof fullValue === 'undefined') {
+			fullValue = currValue;
+		}
+
+		// now convert the full value to an angle
+		var angle = (fullValue / totalSize) * 360;
+
+		// lastly, if we want the midpoint, factor that sucker in
+		if (options.midpoint) {
+			var currAngle = (currValue / totalSize) * 360;
+			angle -= (currAngle / 2);
+		}
+
+		return angle;
+	},
+
+	getPercentage: function(pie, index) {
+		return Math.floor((pie.options.data.content[index].value / pie.totalSize) * 100);
+	}
+};
+
+	//// --------- text.js -----------
+var text = {
+	offscreenCoord: -10000,
+
+	addTitle: function(pie) {
+		var title = pie.svg.selectAll("." + pie.cssPrefix + "title")
+			.data([pie.options.header.title])
+			.enter()
+			.append("text")
+			.text(function(d) { return d.text; })
+			.attr({
+        id: pie.cssPrefix + "title",
+        class: pie.cssPrefix + "title",
+        x: text.offscreenCoord,
+        y: text.offscreenCoord
+      })
+			.attr("text-anchor", function() {
+				var location;
+				if (pie.options.header.location === "top-center" || pie.options.header.location === "pie-center") {
+					location = "middle";
+				} else {
+					location = "left";
+				}
+				return location;
+			})
+			.attr("fill", function(d) { return d.color; })
+			.style("font-size", function(d) { return d.fontSize + "px"; })
+			.style("font-family", function(d) { return d.font; });
+	},
+
+	positionTitle: function(pie) {
+		var textComponents = pie.textComponents;
+		var headerLocation = pie.options.header.location;
+		var canvasPadding = pie.options.misc.canvasPadding;
+		var canvasWidth = pie.options.size.canvasWidth;
+		var titleSubtitlePadding = pie.options.header.titleSubtitlePadding;
+
+		var x;
+		if (headerLocation === "top-left") {
+			x = canvasPadding.left;
+		} else {
+			x = ((canvasWidth - canvasPadding.right) / 2) + canvasPadding.left;
+		}
+
+    // add whatever offset has been added by user
+    x += pie.options.misc.pieCenterOffset.x;
+
+		var y = canvasPadding.top + textComponents.title.h;
+
+		if (headerLocation === "pie-center") {
+			y = pie.pieCenter.y;
+
+			// still not fully correct
+			if (textComponents.subtitle.exists) {
+				var totalTitleHeight = textComponents.title.h + titleSubtitlePadding + textComponents.subtitle.h;
+				y = y - (totalTitleHeight / 2) + textComponents.title.h;
+			} else {
+				y += (textComponents.title.h / 4);
+			}
+		}
+
+		pie.svg.select("#" + pie.cssPrefix + "title")
+			.attr("x", x)
+			.attr("y", y);
+	},
+
+	addSubtitle: function(pie) {
+		var headerLocation = pie.options.header.location;
+
+		pie.svg.selectAll("." + pie.cssPrefix + "subtitle")
+			.data([pie.options.header.subtitle])
+			.enter()
+			.append("text")
+			.text(function(d) { return d.text; })
+			.attr("x", text.offscreenCoord)
+			.attr("y", text.offscreenCoord)
+			.attr("id", pie.cssPrefix + "subtitle")
+			.attr("class", pie.cssPrefix + "subtitle")
+			.attr("text-anchor", function() {
+				var location;
+				if (headerLocation === "top-center" || headerLocation === "pie-center") {
+					location = "middle";
+				} else {
+					location = "left";
+				}
+				return location;
+			})
+			.attr("fill", function(d) { return d.color; })
+			.style("font-size", function(d) { return d.fontSize + "px"; })
+			.style("font-family", function(d) { return d.font; });
+	},
+
+	positionSubtitle: function(pie) {
+		var canvasPadding = pie.options.misc.canvasPadding;
+		var canvasWidth = pie.options.size.canvasWidth;
+
+		var x;
+		if (pie.options.header.location === "top-left") {
+			x = canvasPadding.left;
+		} else {
+			x = ((canvasWidth - canvasPadding.right) / 2) + canvasPadding.left;
+		}
+
+    // add whatever offset has been added by user
+    x += pie.options.misc.pieCenterOffset.x;
+
+		var y = text.getHeaderHeight(pie);
+		pie.svg.select("#" + pie.cssPrefix + "subtitle")
+			.attr("x", x)
+			.attr("y", y);
+	},
+
+	addFooter: function(pie) {
+		pie.svg.selectAll("." + pie.cssPrefix + "footer")
+			.data([pie.options.footer])
+			.enter()
+			.append("text")
+			.text(function(d) { return d.text; })
+			.attr("x", text.offscreenCoord)
+			.attr("y", text.offscreenCoord)
+			.attr("id", pie.cssPrefix + "footer")
+			.attr("class", pie.cssPrefix + "footer")
+			.attr("text-anchor", function() {
+				var location = "left";
+				if (pie.options.footer.location === "bottom-center") {
+					location = "middle";
+				} else if (pie.options.footer.location === "bottom-right") {
+					location = "left"; // on purpose. We have to change the x-coord to make it properly right-aligned
+				}
+				return location;
+			})
+			.attr("fill", function(d) { return d.color; })
+			.style("font-size", function(d) { return d.fontSize + "px"; })
+			.style("font-family", function(d) { return d.font; });
+	},
+
+	positionFooter: function(pie) {
+		var footerLocation = pie.options.footer.location;
+		var footerWidth = pie.textComponents.footer.w;
+		var canvasWidth = pie.options.size.canvasWidth;
+		var canvasHeight = pie.options.size.canvasHeight;
+		var canvasPadding = pie.options.misc.canvasPadding;
+
+		var x;
+		if (footerLocation === "bottom-left") {
+			x = canvasPadding.left;
+		} else if (footerLocation === "bottom-right") {
+			x = canvasWidth - footerWidth - canvasPadding.right;
+		} else {
+			x = canvasWidth / 2; // TODO - shouldn't this also take into account padding?
+		}
+
+		pie.svg.select("#" + pie.cssPrefix + "footer")
+			.attr("x", x)
+			.attr("y", canvasHeight - canvasPadding.bottom);
+	},
+
+	getHeaderHeight: function(pie) {
+		var h;
+		if (pie.textComponents.title.exists) {
+
+			// if the subtitle isn't defined, it'll be set to 0
+			var totalTitleHeight = pie.textComponents.title.h + pie.options.header.titleSubtitlePadding + pie.textComponents.subtitle.h;
+			if (pie.options.header.location === "pie-center") {
+				h = pie.pieCenter.y - (totalTitleHeight / 2) + totalTitleHeight;
+			} else {
+				h = totalTitleHeight + pie.options.misc.canvasPadding.top;
+			}
+		} else {
+			if (pie.options.header.location === "pie-center") {
+				var footerPlusPadding = pie.options.misc.canvasPadding.bottom + pie.textComponents.footer.h;
+				h = ((pie.options.size.canvasHeight - footerPlusPadding) / 2) + pie.options.misc.canvasPadding.top + (pie.textComponents.subtitle.h / 2);
+			} else {
+				h = pie.options.misc.canvasPadding.top + pie.textComponents.subtitle.h;
+			}
+		}
+		return h;
+	}
+};
+
+  //// --------- validate.js -----------
+var tt = {
+	addTooltips: function(pie) {
+
+		// group the label groups (label, percentage, value) into a single element for simpler positioning
+		var tooltips = pie.svg.insert("g")
+			.attr("class", pie.cssPrefix + "tooltips");
+
+    tooltips.selectAll("." + pie.cssPrefix + "tooltip")
+      .data(pie.options.data.content)
+      .enter()
+      .append("g")
+        .attr("class", pie.cssPrefix + "tooltip")
+        .attr("id", function(d, i) { return pie.cssPrefix + "tooltip" + i; })
+        .style("opacity", 0)
+      .append("rect")
+        .attr({
+			    rx: pie.options.tooltips.styles.borderRadius,
+			    ry: pie.options.tooltips.styles.borderRadius,
+			    x: -pie.options.tooltips.styles.padding,
+			    opacity: pie.options.tooltips.styles.backgroundOpacity
+		    })
+		    .style("fill", pie.options.tooltips.styles.backgroundColor);
+
+    tooltips.selectAll("." + pie.cssPrefix + "tooltip")
+      .data(pie.options.data.content)
+      .append("text")
+        .attr("fill", function(d) { return pie.options.tooltips.styles.color; })
+        .style("font-size", function(d) { return pie.options.tooltips.styles.fontSize; })
+        .style("font-family", function(d) { return pie.options.tooltips.styles.font; })
+        .text(function(d, i) {
+          var caption = pie.options.tooltips.string;
+          if (pie.options.tooltips.type === "caption") {
+            caption = d.caption;
+          }
+          return tt.replacePlaceholders(pie, caption, i, {
+            label: d.label,
+            value: d.value,
+            percentage: segments.getPercentage(pie, i)
+          });
+        });
+
+		tooltips.selectAll("." + pie.cssPrefix + "tooltip rect")
+			.attr({
+				width: function (d, i) {
+					var dims = helpers.getDimensions(pie.cssPrefix + "tooltip" + i);
+					return dims.w + (2 * pie.options.tooltips.styles.padding);
+				},
+				height: function (d, i) {
+					var dims = helpers.getDimensions(pie.cssPrefix + "tooltip" + i);
+					return dims.h + (2 * pie.options.tooltips.styles.padding);
+				},
+				y: function (d, i) {
+					var dims = helpers.getDimensions(pie.cssPrefix + "tooltip" + i);
+					return -(dims.h / 2) + 1;
+				}
+			});
+	},
+
+  showTooltip: function(pie, index) {
+
+	  var fadeInSpeed = pie.options.tooltips.styles.fadeInSpeed;
+	  if (tt.currentTooltip === index) {
+		  fadeInSpeed = 1;
+	  }
+
+    tt.currentTooltip = index;
+    d3.select("#" + pie.cssPrefix + "tooltip" + index)
+      .transition()
+      .duration(fadeInSpeed)
+      .style("opacity", function() { return 1; });
+
+    tt.moveTooltip(pie);
+  },
+
+  moveTooltip: function(pie) {
+    d3.selectAll("#" + pie.cssPrefix + "tooltip" + tt.currentTooltip)
+      .attr("transform", function(d) {
+        var mouseCoords = d3.mouse(this.parentElement);
+        var x = mouseCoords[0] + pie.options.tooltips.styles.padding + 2;
+        var y = mouseCoords[1] - (2 * pie.options.tooltips.styles.padding) - 2;
+        return "translate(" + x + "," + y + ")";
+      });
+  },
+
+  hideTooltip: function(pie, index) {
+    d3.select("#" + pie.cssPrefix + "tooltip" + index)
+      .style("opacity", function() { return 0; });
+
+    // move the tooltip offscreen. This ensures that when the user next mousovers the segment the hidden
+    // element won't interfere
+    d3.select("#" + pie.cssPrefix + "tooltip" + tt.currentTooltip)
+      .attr("transform", function(d, i) {
+
+        // klutzy, but it accounts for tooltip padding which could push it onscreen
+        var x = pie.options.size.canvasWidth + 1000;
+        var y = pie.options.size.canvasHeight + 1000;
+        return "translate(" + x + "," + y + ")";
+      });
+  },
+
+  replacePlaceholders: function(pie, str, index, replacements) {
+
+    // if the user has defined a placeholderParser function, call it before doing the replacements
+    if (helpers.isFunction(pie.options.tooltips.placeholderParser)) {
+      pie.options.tooltips.placeholderParser(index, replacements);
+    }
+
+    var replacer = function()  {
+      return function(match) {
+        var placeholder = arguments[1];
+        if (replacements.hasOwnProperty(placeholder)) {
+          return replacements[arguments[1]];
+        } else {
+          return arguments[0];
+        }
+      };
+    };
+    return str.replace(/\{(\w+)\}/g, replacer(replacements));
+  }
+};
+
+
+	// --------------------------------------------------------------------------------------------
+
+	// our constructor
+	var d3pie = function(element, options) {
+
+		// element can be an ID or DOM element
+		this.element = element;
+		if (typeof element === "string") {
+			var el = element.replace(/^#/, ""); // replace any jQuery-like ID hash char
+			this.element = document.getElementById(el);
+		}
+
+		var opts = {};
+		extend(true, opts, defaultSettings, options);
+		this.options = opts;
+
+		// if the user specified a custom CSS element prefix (ID, class), use it
+		if (this.options.misc.cssPrefix !== null) {
+			this.cssPrefix = this.options.misc.cssPrefix;
+		} else {
+			this.cssPrefix = "p" + _uniqueIDCounter + "_";
+			_uniqueIDCounter++;
+		}
+
+
+		// now run some validation on the user-defined info
+		if (!validate.initialCheck(this)) {
+			return;
+		}
+
+		// add a data-role to the DOM node to let anyone know that it contains a d3pie instance, and the d3pie version
+		d3.select(this.element).attr(_scriptName, _version);
+
+		// things that are done once
+		this.options.data.content = math.sortPieData(this);
+		if (this.options.data.smallSegmentGrouping.enabled) {
+			this.options.data.content = helpers.applySmallSegmentGrouping(this.options.data.content, this.options.data.smallSegmentGrouping);
+		}
+		this.options.colors = helpers.initSegmentColors(this);
+		this.totalSize      = math.getTotalPieSize(this.options.data.content);
+
+		_init.call(this);
+	};
+
+	d3pie.prototype.recreate = function() {
+		this.options.data.content = math.sortPieData(this);
+		if (this.options.data.smallSegmentGrouping.enabled) {
+			this.options.data.content = helpers.applySmallSegmentGrouping(this.options.data.content, this.options.data.smallSegmentGrouping);
+		}
+		this.options.colors = helpers.initSegmentColors(this);
+		this.totalSize      = math.getTotalPieSize(this.options.data.content);
+
+		_init.call(this);
+	};
+
+	d3pie.prototype.redraw = function() {
+		this.element.innerHTML = "";
+		_init.call(this);
+	};
+
+	d3pie.prototype.destroy = function() {
+		this.element.innerHTML = ""; // clear out the SVG
+		d3.select(this.element).attr(_scriptName, null); // remove the data attr
+	};
+
+	/**
+	 * Returns all pertinent info about the current open info. Returns null if nothing's open, or if one is, an object of
+	 * the following form:
+	 * 	{
+	 * 	  element: DOM NODE,
+	 * 	  index: N,
+	 * 	  data: {}
+	 * 	}
+	 */
+	d3pie.prototype.getOpenSegment = function() {
+		var segment = this.currentlyOpenSegment;
+		if (segment !== null && typeof segment !== "undefined") {
+			var index = parseInt(d3.select(segment).attr("data-index"), 10);
+			return {
+				element: segment,
+				index: index,
+				data: this.options.data.content[index]
+			};
+		} else {
+			return null;
+		}
+	};
+
+	d3pie.prototype.openSegment = function(index) {
+		index = parseInt(index, 10);
+		if (index < 0 || index > this.options.data.content.length-1) {
+			return;
+		}
+		segments.openSegment(this, d3.select("#" + this.cssPrefix + "segment" + index).node());
+	};
+
+	d3pie.prototype.closeSegment = function() {
+		var segment = this.currentlyOpenSegment;
+		if (segment) {
+			segments.closeSegment(this, segment);
+		}
+	};
+
+	// this let's the user dynamically update aspects of the pie chart without causing a complete redraw. It
+	// intelligently re-renders only the part of the pie that the user specifies. Some things cause a repaint, others
+	// just redraw the single element
+	d3pie.prototype.updateProp = function(propKey, value) {
+		switch (propKey) {
+			case "header.title.text":
+				var oldVal = helpers.processObj(this.options, propKey);
+				helpers.processObj(this.options, propKey, value);
+				d3.select("#" + this.cssPrefix + "title").html(value);
+				if ((oldVal === "" && value !== "") || (oldVal !== "" && value === "")) {
+					this.redraw();
+				}
+				break;
+
+			case "header.subtitle.text":
+				var oldValue = helpers.processObj(this.options, propKey);
+				helpers.processObj(this.options, propKey, value);
+				d3.select("#" + this.cssPrefix + "subtitle").html(value);
+				if ((oldValue === "" && value !== "") || (oldValue !== "" && value === "")) {
+					this.redraw();
+				}
+				break;
+
+			case "callbacks.onload":
+			case "callbacks.onMouseoverSegment":
+			case "callbacks.onMouseoutSegment":
+			case "callbacks.onClickSegment":
+			case "effects.pullOutSegmentOnClick.effect":
+			case "effects.pullOutSegmentOnClick.speed":
+			case "effects.pullOutSegmentOnClick.size":
+			case "effects.highlightSegmentOnMouseover":
+			case "effects.highlightLuminosity":
+				helpers.processObj(this.options, propKey, value);
+				break;
+
+			// everything else, attempt to update it & do a repaint
+			default:
+				helpers.processObj(this.options, propKey, value);
+
+				this.destroy();
+				this.recreate();
+				break;
+		}
+	};
+
+
+	// ------------------------------------------------------------------------------------------------
+
+
+	var _init = function() {
+
+		// prep-work
+		this.svg = helpers.addSVGSpace(this);
+
+		// store info about the main text components as part of the d3pie object instance
+		this.textComponents = {
+			headerHeight: 0,
+			title: {
+				exists: this.options.header.title.text !== "",
+				h: 0,
+				w: 0
+			},
+			subtitle: {
+				exists: this.options.header.subtitle.text !== "",
+				h: 0,
+				w: 0
+			},
+			footer: {
+				exists: this.options.footer.text !== "",
+				h: 0,
+				w: 0
+			}
+		};
+
+		this.outerLabelGroupData = [];
+
+		// add the key text components offscreen (title, subtitle, footer). We need to know their widths/heights for later computation
+		if (this.textComponents.title.exists) {
+			text.addTitle(this);
+		}
+		if (this.textComponents.subtitle.exists) {
+			text.addSubtitle(this);
+		}
+		text.addFooter(this);
+
+		// the footer never moves. Put it in place now
+		var self = this;
+		helpers.whenIdExists(this.cssPrefix + "footer", function() {
+			text.positionFooter(self);
+			var d3 = helpers.getDimensions(self.cssPrefix + "footer");
+			self.textComponents.footer.h = d3.h;
+			self.textComponents.footer.w = d3.w;
+		});
+
+		// now create the pie chart and position everything accordingly
+		var reqEls = [];
+		if (this.textComponents.title.exists)    { reqEls.push(this.cssPrefix + "title"); }
+		if (this.textComponents.subtitle.exists) { reqEls.push(this.cssPrefix + "subtitle"); }
+		if (this.textComponents.footer.exists)   { reqEls.push(this.cssPrefix + "footer"); }
+
+		helpers.whenElementsExist(reqEls, function() {
+			if (self.textComponents.title.exists) {
+				var d1 = helpers.getDimensions(self.cssPrefix + "title");
+				self.textComponents.title.h = d1.h;
+				self.textComponents.title.w = d1.w;
+			}
+			if (self.textComponents.subtitle.exists) {
+				var d2 = helpers.getDimensions(self.cssPrefix + "subtitle");
+				self.textComponents.subtitle.h = d2.h;
+				self.textComponents.subtitle.w = d2.w;
+			}
+			// now compute the full header height
+			if (self.textComponents.title.exists || self.textComponents.subtitle.exists) {
+				var headerHeight = 0;
+				if (self.textComponents.title.exists) {
+					headerHeight += self.textComponents.title.h;
+					if (self.textComponents.subtitle.exists) {
+						headerHeight += self.options.header.titleSubtitlePadding;
+					}
+				}
+				if (self.textComponents.subtitle.exists) {
+					headerHeight += self.textComponents.subtitle.h;
+				}
+				self.textComponents.headerHeight = headerHeight;
+			}
+
+			// at this point, all main text component dimensions have been calculated
+			math.computePieRadius(self);
+
+			// this value is used all over the place for placing things and calculating locations. We figure it out ONCE
+			// and store it as part of the object
+			math.calculatePieCenter(self);
+
+			// position the title and subtitle
+			text.positionTitle(self);
+			text.positionSubtitle(self);
+
+			// now create the pie chart segments, and gradients if the user desired
+			if (self.options.misc.gradient.enabled) {
+				segments.addGradients(self);
+			}
+			segments.create(self); // also creates this.arc
+			labels.add(self, "inner", self.options.labels.inner.format);
+			labels.add(self, "outer", self.options.labels.outer.format);
+
+			// position the label elements relatively within their individual group (label, percentage, value)
+			labels.positionLabelElements(self, "inner", self.options.labels.inner.format);
+			labels.positionLabelElements(self, "outer", self.options.labels.outer.format);
+			labels.computeOuterLabelCoords(self);
+
+			// this is (and should be) dumb. It just places the outer groups at their calculated, collision-free positions
+			labels.positionLabelGroups(self, "outer");
+
+			// we use the label line positions for many other calculations, so ALWAYS compute them
+			labels.computeLabelLinePositions(self);
+
+			// only add them if they're actually enabled
+			if (self.options.labels.lines.enabled && self.options.labels.outer.format !== "none") {
+				labels.addLabelLines(self);
+			}
+
+			labels.positionLabelGroups(self, "inner");
+			labels.fadeInLabelsAndLines(self);
+
+      // add and position the tooltips
+      if (self.options.tooltips.enabled) {
+        tt.addTooltips(self);
+      }
+
+      segments.addSegmentEventHandlers(self);
+		});
+	};
+
+  return d3pie;
+}));
diff --git a/cloudkittydashboard/static/cloudkitty/js/rickshaw.js b/cloudkittydashboard/static/cloudkitty/js/rickshaw.js
new file mode 100644
index 0000000..c2d5519
--- /dev/null
+++ b/cloudkittydashboard/static/cloudkitty/js/rickshaw.js
@@ -0,0 +1,4068 @@
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        define(['d3'], function (d3) {
+            return (root.Rickshaw = factory(d3));
+        });
+    } else if (typeof exports === 'object') {
+        module.exports = factory(require('d3'));
+    } else {
+        root.Rickshaw = factory(d3);
+    }
+}(this, function (d3) {
+/* jshint -W079 */ 
+
+var Rickshaw = {
+
+	namespace: function(namespace, obj) {
+
+		var parts = namespace.split('.');
+
+		var parent = Rickshaw;
+
+		for(var i = 1, length = parts.length; i < length; i++) {
+			var currentPart = parts[i];
+			parent[currentPart] = parent[currentPart] || {};
+			parent = parent[currentPart];
+		}
+		return parent;
+	},
+
+	keys: function(obj) {
+		var keys = [];
+		for (var key in obj) keys.push(key);
+		return keys;
+	},
+
+	extend: function(destination, source) {
+
+		for (var property in source) {
+			destination[property] = source[property];
+		}
+		return destination;
+	},
+
+	clone: function(obj) {
+		return JSON.parse(JSON.stringify(obj));
+	}
+};
+/* Adapted from https://github.com/Jakobo/PTClass */
+
+/*
+Copyright (c) 2005-2010 Sam Stephenson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+/* Based on Alex Arnell's inheritance implementation. */
+/** section: Language
+ * class Class
+ *
+ *  Manages Prototype's class-based OOP system.
+ *
+ *  Refer to Prototype's web site for a [tutorial on classes and
+ *  inheritance](http://prototypejs.org/learn/class-inheritance).
+**/
+(function(globalContext) {
+/* ------------------------------------ */
+/* Import from object.js                */
+/* ------------------------------------ */
+var _toString = Object.prototype.toString,
+    NULL_TYPE = 'Null',
+    UNDEFINED_TYPE = 'Undefined',
+    BOOLEAN_TYPE = 'Boolean',
+    NUMBER_TYPE = 'Number',
+    STRING_TYPE = 'String',
+    OBJECT_TYPE = 'Object',
+    FUNCTION_CLASS = '[object Function]';
+function isFunction(object) {
+  return _toString.call(object) === FUNCTION_CLASS;
+}
+function extend(destination, source) {
+  for (var property in source) if (source.hasOwnProperty(property)) // modify protect primitive slaughter
+    destination[property] = source[property];
+  return destination;
+}
+function keys(object) {
+  if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
+  var results = [];
+  for (var property in object) {
+    if (object.hasOwnProperty(property)) {
+      results.push(property);
+    }
+  }
+  return results;
+}
+function Type(o) {
+  switch(o) {
+    case null: return NULL_TYPE;
+    case (void 0): return UNDEFINED_TYPE;
+  }
+  var type = typeof o;
+  switch(type) {
+    case 'boolean': return BOOLEAN_TYPE;
+    case 'number':  return NUMBER_TYPE;
+    case 'string':  return STRING_TYPE;
+  }
+  return OBJECT_TYPE;
+}
+function isUndefined(object) {
+  return typeof object === "undefined";
+}
+/* ------------------------------------ */
+/* Import from Function.js              */
+/* ------------------------------------ */
+var slice = Array.prototype.slice;
+function argumentNames(fn) {
+  var names = fn.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
+    .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
+    .replace(/\s+/g, '').split(',');
+  return names.length == 1 && !names[0] ? [] : names;
+}
+function wrap(fn, wrapper) {
+  var __method = fn;
+  return function() {
+    var a = update([bind(__method, this)], arguments);
+    return wrapper.apply(this, a);
+  }
+}
+function update(array, args) {
+  var arrayLength = array.length, length = args.length;
+  while (length--) array[arrayLength + length] = args[length];
+  return array;
+}
+function merge(array, args) {
+  array = slice.call(array, 0);
+  return update(array, args);
+}
+function bind(fn, context) {
+  if (arguments.length < 2 && isUndefined(arguments[0])) return this;
+  var __method = fn, args = slice.call(arguments, 2);
+  return function() {
+    var a = merge(args, arguments);
+    return __method.apply(context, a);
+  }
+}
+
+/* ------------------------------------ */
+/* Import from Prototype.js             */
+/* ------------------------------------ */
+var emptyFunction = function(){};
+
+var Class = (function() {
+  
+  // Some versions of JScript fail to enumerate over properties, names of which 
+  // correspond to non-enumerable properties in the prototype chain
+  var IS_DONTENUM_BUGGY = (function(){
+    for (var p in { toString: 1 }) {
+      // check actual property name, so that it works with augmented Object.prototype
+      if (p === 'toString') return false;
+    }
+    return true;
+  })();
+  
+  function subclass() {};
+  function create() {
+    var parent = null, properties = [].slice.apply(arguments);
+    if (isFunction(properties[0]))
+      parent = properties.shift();
+
+    function klass() {
+      this.initialize.apply(this, arguments);
+    }
+
+    extend(klass, Class.Methods);
+    klass.superclass = parent;
+    klass.subclasses = [];
+
+    if (parent) {
+      subclass.prototype = parent.prototype;
+      klass.prototype = new subclass;
+      try { parent.subclasses.push(klass) } catch(e) {}
+    }
+
+    for (var i = 0, length = properties.length; i < length; i++)
+      klass.addMethods(properties[i]);
+
+    if (!klass.prototype.initialize)
+      klass.prototype.initialize = emptyFunction;
+
+    klass.prototype.constructor = klass;
+    return klass;
+  }
+
+  function addMethods(source) {
+    var ancestor   = this.superclass && this.superclass.prototype,
+        properties = keys(source);
+
+    // IE6 doesn't enumerate `toString` and `valueOf` (among other built-in `Object.prototype`) properties,
+    // Force copy if they're not Object.prototype ones.
+    // Do not copy other Object.prototype.* for performance reasons
+    if (IS_DONTENUM_BUGGY) {
+      if (source.toString != Object.prototype.toString)
+        properties.push("toString");
+      if (source.valueOf != Object.prototype.valueOf)
+        properties.push("valueOf");
+    }
+
+    for (var i = 0, length = properties.length; i < length; i++) {
+      var property = properties[i], value = source[property];
+      if (ancestor && isFunction(value) &&
+          argumentNames(value)[0] == "$super") {
+        var method = value;
+        value = wrap((function(m) {
+          return function() { return ancestor[m].apply(this, arguments); };
+        })(property), method);
+
+        value.valueOf = bind(method.valueOf, method);
+        value.toString = bind(method.toString, method);
+      }
+      this.prototype[property] = value;
+    }
+
+    return this;
+  }
+
+  return {
+    create: create,
+    Methods: {
+      addMethods: addMethods
+    }
+  };
+})();
+
+if (globalContext.exports) {
+  globalContext.exports.Class = Class;
+}
+else {
+  globalContext.Class = Class;
+}
+})(Rickshaw);
+Rickshaw.namespace('Rickshaw.Compat.ClassList');
+
+Rickshaw.Compat.ClassList = function() {
+
+	/* adapted from http://purl.eligrey.com/github/classList.js/blob/master/classList.js */
+
+	if (typeof document !== "undefined" && !("classList" in document.createElement("a"))) {
+
+	(function (view) {
+
+	"use strict";
+
+	var
+		  classListProp = "classList"
+		, protoProp = "prototype"
+		, elemCtrProto = (view.HTMLElement || view.Element)[protoProp]
+		, objCtr = Object
+		, strTrim = String[protoProp].trim || function () {
+			return this.replace(/^\s+|\s+$/g, "");
+		}
+		, arrIndexOf = Array[protoProp].indexOf || function (item) {
+			var
+				  i = 0
+				, len = this.length
+			;
+			for (; i < len; i++) {
+				if (i in this && this[i] === item) {
+					return i;
+				}
+			}
+			return -1;
+		}
+		// Vendors: please allow content code to instantiate DOMExceptions
+		, DOMEx = function (type, message) {
+			this.name = type;
+			this.code = DOMException[type];
+			this.message = message;
+		}
+		, checkTokenAndGetIndex = function (classList, token) {
+			if (token === "") {
+				throw new DOMEx(
+					  "SYNTAX_ERR"
+					, "An invalid or illegal string was specified"
+				);
+			}
+			if (/\s/.test(token)) {
+				throw new DOMEx(
+					  "INVALID_CHARACTER_ERR"
+					, "String contains an invalid character"
+				);
+			}
+			return arrIndexOf.call(classList, token);
+		}
+		, ClassList = function (elem) {
+			var
+				  trimmedClasses = strTrim.call(elem.className)
+				, classes = trimmedClasses ? trimmedClasses.split(/\s+/) : []
+				, i = 0
+				, len = classes.length
+			;
+			for (; i < len; i++) {
+				this.push(classes[i]);
+			}
+			this._updateClassName = function () {
+				elem.className = this.toString();
+			};
+		}
+		, classListProto = ClassList[protoProp] = []
+		, classListGetter = function () {
+			return new ClassList(this);
+		}
+	;
+	// Most DOMException implementations don't allow calling DOMException's toString()
+	// on non-DOMExceptions. Error's toString() is sufficient here.
+	DOMEx[protoProp] = Error[protoProp];
+	classListProto.item = function (i) {
+		return this[i] || null;
+	};
+	classListProto.contains = function (token) {
+		token += "";
+		return checkTokenAndGetIndex(this, token) !== -1;
+	};
+	classListProto.add = function (token) {
+		token += "";
+		if (checkTokenAndGetIndex(this, token) === -1) {
+			this.push(token);
+			this._updateClassName();
+		}
+	};
+	classListProto.remove = function (token) {
+		token += "";
+		var index = checkTokenAndGetIndex(this, token);
+		if (index !== -1) {
+			this.splice(index, 1);
+			this._updateClassName();
+		}
+	};
+	classListProto.toggle = function (token) {
+		token += "";
+		if (checkTokenAndGetIndex(this, token) === -1) {
+			this.add(token);
+		} else {
+			this.remove(token);
+		}
+	};
+	classListProto.toString = function () {
+		return this.join(" ");
+	};
+
+	if (objCtr.defineProperty) {
+		var classListPropDesc = {
+			  get: classListGetter
+			, enumerable: true
+			, configurable: true
+		};
+		try {
+			objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
+		} catch (ex) { // IE 8 doesn't support enumerable:true
+			if (ex.number === -0x7FF5EC54) {
+				classListPropDesc.enumerable = false;
+				objCtr.defineProperty(elemCtrProto, classListProp, classListPropDesc);
+			}
+		}
+	} else if (objCtr[protoProp].__defineGetter__) {
+		elemCtrProto.__defineGetter__(classListProp, classListGetter);
+	}
+
+	}(window));
+
+	}
+};
+
+if ( (typeof RICKSHAW_NO_COMPAT !== "undefined" && !RICKSHAW_NO_COMPAT) || typeof RICKSHAW_NO_COMPAT === "undefined") {
+	new Rickshaw.Compat.ClassList();
+}
+Rickshaw.namespace('Rickshaw.Graph');
+
+Rickshaw.Graph = function(args) {
+
+	var self = this;
+
+	this.initialize = function(args) {
+
+		if (!args.element) throw "Rickshaw.Graph needs a reference to an element";
+		if (args.element.nodeType !== 1) throw "Rickshaw.Graph element was defined but not an HTML element";
+
+		this.element = args.element;
+		this.series = args.series;
+		this.window = {};
+
+		this.updateCallbacks = [];
+		this.configureCallbacks = [];
+
+		this.defaults = {
+			interpolation: 'cardinal',
+			offset: 'zero',
+			min: undefined,
+			max: undefined,
+			preserve: false,
+			xScale: undefined,
+			yScale: undefined,
+			stack: true
+		};
+
+		this._loadRenderers();
+		this.configure(args);
+		this.validateSeries(args.series);
+
+		this.series.active = function() { return self.series.filter( function(s) { return !s.disabled } ) };
+		this.setSize({ width: args.width, height: args.height });
+		this.element.classList.add('rickshaw_graph');
+
+		this.vis = d3.select(this.element)
+			.append("svg:svg")
+			.attr('width', this.width)
+			.attr('height', this.height);
+
+		this.discoverRange();
+	};
+
+	this._loadRenderers = function() {
+
+		for (var name in Rickshaw.Graph.Renderer) {
+			if (!name || !Rickshaw.Graph.Renderer.hasOwnProperty(name)) continue;
+			var r = Rickshaw.Graph.Renderer[name];
+			if (!r || !r.prototype || !r.prototype.render) continue;
+			self.registerRenderer(new r( { graph: self } ));
+		}
+	};
+
+	this.validateSeries = function(series) {
+
+		if (!Array.isArray(series) && !(series instanceof Rickshaw.Series)) {
+			var seriesSignature = Object.prototype.toString.apply(series);
+			throw "series is not an array: " + seriesSignature;
+		}
+
+		var pointsCount;
+
+		series.forEach( function(s) {
+
+			if (!(s instanceof Object)) {
+				throw "series element is not an object: " + s;
+			}
+			if (!(s.data)) {
+				throw "series has no data: " + JSON.stringify(s);
+			}
+			if (!Array.isArray(s.data)) {
+				throw "series data is not an array: " + JSON.stringify(s.data);
+			}
+			
+			if (s.data.length > 0) {
+				var x = s.data[0].x;
+				var y = s.data[0].y;
+
+				if (typeof x != 'number' || ( typeof y != 'number' && y !== null ) ) {
+					throw "x and y properties of points should be numbers instead of " +
+						(typeof x) + " and " + (typeof y);
+				}
+			}
+
+			if (s.data.length >= 3) {
+				// probe to sanity check sort order
+				if (s.data[2].x < s.data[1].x || s.data[1].x < s.data[0].x || s.data[s.data.length - 1].x < s.data[0].x) {
+					throw "series data needs to be sorted on x values for series name: " + s.name;
+				}
+			}
+
+		}, this );
+	};
+
+	this.dataDomain = function() {
+
+		var data = this.series.map( function(s) { return s.data } );
+
+		var min = d3.min( data.map( function(d) { return d[0].x } ) );
+		var max = d3.max( data.map( function(d) { return d[d.length - 1].x } ) );
+
+		return [min, max];
+	};
+
+	this.discoverRange = function() {
+
+		var domain = this.renderer.domain();
+
+		// this.*Scale is coming from the configuration dictionary
+		// which may be referenced by the Graph creator, or shared
+		// with other Graphs. We need to ensure we copy the scale
+		// so that our mutations do not change the object given to us.
+		// Hence the .copy()
+		this.x = (this.xScale || d3.scale.linear()).copy().domain(domain.x).range([0, this.width]);
+		this.y = (this.yScale || d3.scale.linear()).copy().domain(domain.y).range([this.height, 0]);
+
+		this.x.magnitude = d3.scale.linear()
+			.domain([domain.x[0] - domain.x[0], domain.x[1] - domain.x[0]])
+			.range([0, this.width]);
+
+		this.y.magnitude = d3.scale.linear()
+			.domain([domain.y[0] - domain.y[0], domain.y[1] - domain.y[0]])
+			.range([0, this.height]);
+	};
+
+	this.render = function() {
+
+		var stackedData = this.stackData();
+		this.discoverRange();
+
+		this.renderer.render();
+
+		this.updateCallbacks.forEach( function(callback) {
+			callback();
+		} );
+
+	};
+
+	this.update = this.render;
+
+	this.stackData = function() {
+
+		var data = this.series.active()
+			.map( function(d) { return d.data } )
+			.map( function(d) { return d.filter( function(d) { return this._slice(d) }, this ) }, this);
+
+		var preserve = this.preserve;
+		if (!preserve) {
+			this.series.forEach( function(series) {
+				if (series.scale) {
+					// data must be preserved when a scale is used
+					preserve = true;
+				}
+			} );
+		}
+
+		data = preserve ? Rickshaw.clone(data) : data;
+
+		this.series.active().forEach( function(series, index) {
+			if (series.scale) {
+				// apply scale to each series
+				var seriesData = data[index];
+				if(seriesData) {
+					seriesData.forEach( function(d) {
+						d.y = series.scale(d.y);
+					} );
+				}
+			}
+		} );
+
+		this.stackData.hooks.data.forEach( function(entry) {
+			data = entry.f.apply(self, [data]);
+		} );
+
+		var stackedData;
+
+		if (!this.renderer.unstack) {
+
+			this._validateStackable();
+
+			var layout = d3.layout.stack();
+			layout.offset( self.offset );
+			stackedData = layout(data);
+		}
+
+		stackedData = stackedData || data;
+
+		if (this.renderer.unstack) {
+			stackedData.forEach( function(seriesData) {
+				seriesData.forEach( function(d) {
+					d.y0 = d.y0 === undefined ? 0 : d.y0;
+				} );
+			} );
+		}
+
+		this.stackData.hooks.after.forEach( function(entry) {
+			stackedData = entry.f.apply(self, [data]);
+		} );
+
+		var i = 0;
+		this.series.forEach( function(series) {
+			if (series.disabled) return;
+			series.stack = stackedData[i++];
+		} );
+
+		this.stackedData = stackedData;
+		return stackedData;
+	};
+
+	this._validateStackable = function() {
+
+		var series = this.series;
+		var pointsCount;
+
+		series.forEach( function(s) {
+
+			pointsCount = pointsCount || s.data.length;
+
+			if (pointsCount && s.data.length != pointsCount) {
+				throw "stacked series cannot have differing numbers of points: " +
+					pointsCount + " vs " + s.data.length + "; see Rickshaw.Series.fill()";
+			}
+
+		}, this );
+	};
+
+	this.stackData.hooks = { data: [], after: [] };
+
+	this._slice = function(d) {
+
+		if (this.window.xMin || this.window.xMax) {
+
+			var isInRange = true;
+
+			if (this.window.xMin && d.x < this.window.xMin) isInRange = false;
+			if (this.window.xMax && d.x > this.window.xMax) isInRange = false;
+
+			return isInRange;
+		}
+
+		return true;
+	};
+
+	this.onUpdate = function(callback) {
+		this.updateCallbacks.push(callback);
+	};
+
+	this.onConfigure = function(callback) {
+		this.configureCallbacks.push(callback);
+	};
+
+	this.registerRenderer = function(renderer) {
+		this._renderers = this._renderers || {};
+		this._renderers[renderer.name] = renderer;
+	};
+
+	this.configure = function(args) {
+
+		this.config = this.config || {};
+
+		if (args.width || args.height) {
+			this.setSize(args);
+		}
+
+		Rickshaw.keys(this.defaults).forEach( function(k) {
+			this.config[k] = k in args ? args[k]
+				: k in this ? this[k]
+				: this.defaults[k];
+		}, this );
+
+		Rickshaw.keys(this.config).forEach( function(k) {
+			this[k] = this.config[k];
+		}, this );
+
+		if ('stack' in args) args.unstack = !args.stack;
+
+		var renderer = args.renderer || (this.renderer && this.renderer.name) || 'stack';
+		this.setRenderer(renderer, args);
+
+		this.configureCallbacks.forEach( function(callback) {
+			callback(args);
+		} );
+	};
+
+	this.setRenderer = function(r, args) {
+		if (typeof r == 'function') {
+			this.renderer = new r( { graph: self } );
+			this.registerRenderer(this.renderer);
+		} else {
+			if (!this._renderers[r]) {
+				throw "couldn't find renderer " + r;
+			}
+			this.renderer = this._renderers[r];
+		}
+
+		if (typeof args == 'object') {
+			this.renderer.configure(args);
+		}
+	};
+
+	this.setSize = function(args) {
+
+		args = args || {};
+
+		if (typeof window !== undefined) {
+			var style = window.getComputedStyle(this.element, null);
+			var elementWidth = parseInt(style.getPropertyValue('width'), 10);
+			var elementHeight = parseInt(style.getPropertyValue('height'), 10);
+		}
+
+		this.width = args.width || elementWidth || 400;
+		this.height = args.height || elementHeight || 250;
+
+		this.vis && this.vis
+			.attr('width', this.width)
+			.attr('height', this.height);
+	};
+
+	this.initialize(args);
+};
+Rickshaw.namespace('Rickshaw.Fixtures.Color');
+
+Rickshaw.Fixtures.Color = function() {
+
+	this.schemes = {};
+
+	this.schemes.spectrum14 = [
+		'#ecb796',
+		'#dc8f70',
+		'#b2a470',
+		'#92875a',
+		'#716c49',
+		'#d2ed82',
+		'#bbe468',
+		'#a1d05d',
+		'#e7cbe6',
+		'#d8aad6',
+		'#a888c2',
+		'#9dc2d3',
+		'#649eb9',
+		'#387aa3'
+	].reverse();
+
+	this.schemes.spectrum2000 = [
+		'#57306f',
+		'#514c76',
+		'#646583',
+		'#738394',
+		'#6b9c7d',
+		'#84b665',
+		'#a7ca50',
+		'#bfe746',
+		'#e2f528',
+		'#fff726',
+		'#ecdd00',
+		'#d4b11d',
+		'#de8800',
+		'#de4800',
+		'#c91515',
+		'#9a0000',
+		'#7b0429',
+		'#580839',
+		'#31082b'
+	];
+
+	this.schemes.spectrum2001 = [
+		'#2f243f',
+		'#3c2c55',
+		'#4a3768',
+		'#565270',
+		'#6b6b7c',
+		'#72957f',
+		'#86ad6e',
+		'#a1bc5e',
+		'#b8d954',
+		'#d3e04e',
+		'#ccad2a',
+		'#cc8412',
+		'#c1521d',
+		'#ad3821',
+		'#8a1010',
+		'#681717',
+		'#531e1e',
+		'#3d1818',
+		'#320a1b'
+	];
+
+	this.schemes.classic9 = [
+		'#423d4f',
+		'#4a6860',
+		'#848f39',
+		'#a2b73c',
+		'#ddcb53',
+		'#c5a32f',
+		'#7d5836',
+		'#963b20',
+		'#7c2626',
+		'#491d37',
+		'#2f254a'
+	].reverse();
+
+	this.schemes.httpStatus = {
+		503: '#ea5029',
+		502: '#d23f14',
+		500: '#bf3613',
+		410: '#efacea',
+		409: '#e291dc',
+		403: '#f457e8',
+		408: '#e121d2',
+		401: '#b92dae',
+		405: '#f47ceb',
+		404: '#a82a9f',
+		400: '#b263c6',
+		301: '#6fa024',
+		302: '#87c32b',
+		307: '#a0d84c',
+		304: '#28b55c',
+		200: '#1a4f74',
+		206: '#27839f',
+		201: '#52adc9',
+		202: '#7c979f',
+		203: '#a5b8bd',
+		204: '#c1cdd1'
+	};
+
+	this.schemes.colorwheel = [
+		'#b5b6a9',
+		'#858772',
+		'#785f43',
+		'#96557e',
+		'#4682b4',
+		'#65b9ac',
+		'#73c03a',
+		'#cb513a'
+	].reverse();
+
+	this.schemes.cool = [
+		'#5e9d2f',
+		'#73c03a',
+		'#4682b4',
+		'#7bc3b8',
+		'#a9884e',
+		'#c1b266',
+		'#a47493',
+		'#c09fb5'
+	];
+
+	this.schemes.munin = [
+		'#00cc00',
+		'#0066b3',
+		'#ff8000',
+		'#ffcc00',
+		'#330099',
+		'#990099',
+		'#ccff00',
+		'#ff0000',
+		'#808080',
+		'#008f00',
+		'#00487d',
+		'#b35a00',
+		'#b38f00',
+		'#6b006b',
+		'#8fb300',
+		'#b30000',
+		'#bebebe',
+		'#80ff80',
+		'#80c9ff',
+		'#ffc080',
+		'#ffe680',
+		'#aa80ff',
+		'#ee00cc',
+		'#ff8080',
+		'#666600',
+		'#ffbfff',
+		'#00ffcc',
+		'#cc6699',
+		'#999900'
+	];
+};
+Rickshaw.namespace('Rickshaw.Fixtures.RandomData');
+
+Rickshaw.Fixtures.RandomData = function(timeInterval) {
+
+	var addData;
+	timeInterval = timeInterval || 1;
+
+	var lastRandomValue = 200;
+
+	var timeBase = Math.floor(new Date().getTime() / 1000);
+
+	this.addData = function(data) {
+
+		var randomValue = Math.random() * 100 + 15 + lastRandomValue;
+		var index = data[0].length;
+
+		var counter = 1;
+
+		data.forEach( function(series) {
+			var randomVariance = Math.random() * 20;
+			var v = randomValue / 25  + counter++ +
+				(Math.cos((index * counter * 11) / 960) + 2) * 15 +
+				(Math.cos(index / 7) + 2) * 7 +
+				(Math.cos(index / 17) + 2) * 1;
+
+			series.push( { x: (index * timeInterval) + timeBase, y: v + randomVariance } );
+		} );
+
+		lastRandomValue = randomValue * 0.85;
+	};
+
+	this.removeData = function(data) {
+		data.forEach( function(series) {
+			series.shift();
+		} );
+		timeBase += timeInterval;
+	};
+};
+
+Rickshaw.namespace('Rickshaw.Fixtures.Time');
+
+Rickshaw.Fixtures.Time = function() {
+
+	var self = this;
+
+	this.months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+	this.units = [
+		{
+			name: 'decade',
+			seconds: 86400 * 365.25 * 10,
+			formatter: function(d) { return (parseInt(d.getUTCFullYear() / 10, 10) * 10) }
+		}, {
+			name: 'year',
+			seconds: 86400 * 365.25,
+			formatter: function(d) { return d.getUTCFullYear() }
+		}, {
+			name: 'month',
+			seconds: 86400 * 30.5,
+			formatter: function(d) { return self.months[d.getUTCMonth()] }
+		}, {
+			name: 'week',
+			seconds: 86400 * 7,
+			formatter: function(d) { return self.formatDate(d) }
+		}, {
+			name: 'day',
+			seconds: 86400,
+			formatter: function(d) { return d.getUTCDate() }
+		}, {
+			name: '6 hour',
+			seconds: 3600 * 6,
+			formatter: function(d) { return self.formatTime(d) }
+		}, {
+			name: 'hour',
+			seconds: 3600,
+			formatter: function(d) { return self.formatTime(d) }
+		}, {
+			name: '15 minute',
+			seconds: 60 * 15,
+			formatter: function(d) { return self.formatTime(d) }
+		}, {
+			name: 'minute',
+			seconds: 60,
+			formatter: function(d) { return d.getUTCMinutes() }
+		}, {
+			name: '15 second',
+			seconds: 15,
+			formatter: function(d) { return d.getUTCSeconds() + 's' }
+		}, {
+			name: 'second',
+			seconds: 1,
+			formatter: function(d) { return d.getUTCSeconds() + 's' }
+		}, {
+			name: 'decisecond',
+			seconds: 1/10,
+			formatter: function(d) { return d.getUTCMilliseconds() + 'ms' }
+		}, {
+			name: 'centisecond',
+			seconds: 1/100,
+			formatter: function(d) { return d.getUTCMilliseconds() + 'ms' }
+		}
+	];
+
+	this.unit = function(unitName) {
+		return this.units.filter( function(unit) { return unitName == unit.name } ).shift();
+	};
+
+	this.formatDate = function(d) {
+		return d3.time.format('%b %e')(d);
+	};
+
+	this.formatTime = function(d) {
+		return d.toUTCString().match(/(\d+:\d+):/)[1];
+	};
+
+	this.ceil = function(time, unit) {
+
+		var date, floor, year;
+
+		if (unit.name == 'month') {
+
+			date = new Date(time * 1000);
+
+			floor = Date.UTC(date.getUTCFullYear(), date.getUTCMonth()) / 1000;
+			if (floor == time) return time;
+
+			year = date.getUTCFullYear();
+			var month = date.getUTCMonth();
+
+			if (month == 11) {
+				month = 0;
+				year = year + 1;
+			} else {
+				month += 1;
+			}
+
+			return Date.UTC(year, month) / 1000;
+		}
+
+		if (unit.name == 'year') {
+
+			date = new Date(time * 1000);
+
+			floor = Date.UTC(date.getUTCFullYear(), 0) / 1000;
+			if (floor == time) return time;
+
+			year = date.getUTCFullYear() + 1;
+
+			return Date.UTC(year, 0) / 1000;
+		}
+
+		return Math.ceil(time / unit.seconds) * unit.seconds;
+	};
+};
+Rickshaw.namespace('Rickshaw.Fixtures.Time.Local');
+
+Rickshaw.Fixtures.Time.Local = function() {
+
+	var self = this;
+
+	this.months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+	this.units = [
+		{
+			name: 'decade',
+			seconds: 86400 * 365.25 * 10,
+			formatter: function(d) { return (parseInt(d.getFullYear() / 10, 10) * 10) }
+		}, {
+			name: 'year',
+			seconds: 86400 * 365.25,
+			formatter: function(d) { return d.getFullYear() }
+		}, {
+			name: 'month',
+			seconds: 86400 * 30.5,
+			formatter: function(d) { return self.months[d.getMonth()] }
+		}, {
+			name: 'week',
+			seconds: 86400 * 7,
+			formatter: function(d) { return self.formatDate(d) }
+		}, {
+			name: 'day',
+			seconds: 86400,
+			formatter: function(d) { return d.getDate() }
+		}, {
+			name: '6 hour',
+			seconds: 3600 * 6,
+			formatter: function(d) { return self.formatTime(d) }
+		}, {
+			name: 'hour',
+			seconds: 3600,
+			formatter: function(d) { return self.formatTime(d) }
+		}, {
+			name: '15 minute',
+			seconds: 60 * 15,
+			formatter: function(d) { return self.formatTime(d) }
+		}, {
+			name: 'minute',
+			seconds: 60,
+			formatter: function(d) { return d.getMinutes() }
+		}, {
+			name: '15 second',
+			seconds: 15,
+			formatter: function(d) { return d.getSeconds() + 's' }
+		}, {
+			name: 'second',
+			seconds: 1,
+			formatter: function(d) { return d.getSeconds() + 's' }
+		}, {
+			name: 'decisecond',
+			seconds: 1/10,
+			formatter: function(d) { return d.getMilliseconds() + 'ms' }
+		}, {
+			name: 'centisecond',
+			seconds: 1/100,
+			formatter: function(d) { return d.getMilliseconds() + 'ms' }
+		}
+	];
+
+	this.unit = function(unitName) {
+		return this.units.filter( function(unit) { return unitName == unit.name } ).shift();
+	};
+
+	this.formatDate = function(d) {
+		return d3.time.format('%b %e')(d);
+	};
+
+	this.formatTime = function(d) {
+		return d.toString().match(/(\d+:\d+):/)[1];
+	};
+
+	this.ceil = function(time, unit) {
+
+		var date, floor, year;
+
+		if (unit.name == 'day') {
+
+			var nearFuture = new Date((time + unit.seconds - 1) * 1000);
+
+			var rounded = new Date(0);
+			rounded.setMilliseconds(0);
+			rounded.setSeconds(0);
+			rounded.setMinutes(0);
+			rounded.setHours(0);
+			rounded.setDate(nearFuture.getDate());
+			rounded.setMonth(nearFuture.getMonth());
+			rounded.setFullYear(nearFuture.getFullYear());
+
+			return rounded.getTime() / 1000;
+		}
+
+		if (unit.name == 'month') {
+
+			date = new Date(time * 1000);
+
+			floor = new Date(date.getFullYear(), date.getMonth()).getTime() / 1000;
+			if (floor == time) return time;
+
+			year = date.getFullYear();
+			var month = date.getMonth();
+
+			if (month == 11) {
+				month = 0;
+				year = year + 1;
+			} else {
+				month += 1;
+			}
+
+			return new Date(year, month).getTime() / 1000;
+		}
+
+		if (unit.name == 'year') {
+
+			date = new Date(time * 1000);
+
+			floor = new Date(date.getUTCFullYear(), 0).getTime() / 1000;
+			if (floor == time) return time;
+
+			year = date.getFullYear() + 1;
+
+			return new Date(year, 0).getTime() / 1000;
+		}
+
+		return Math.ceil(time / unit.seconds) * unit.seconds;
+	};
+};
+Rickshaw.namespace('Rickshaw.Fixtures.Number');
+
+Rickshaw.Fixtures.Number.formatKMBT = function(y) {
+	var abs_y = Math.abs(y);
+	if (abs_y >= 1000000000000)   { return y / 1000000000000 + "T" }
+	else if (abs_y >= 1000000000) { return y / 1000000000 + "B" }
+	else if (abs_y >= 1000000)    { return y / 1000000 + "M" }
+	else if (abs_y >= 1000)       { return y / 1000 + "K" }
+	else if (abs_y < 1 && y > 0)  { return y.toFixed(2) }
+	else if (abs_y === 0)         { return '' }
+	else                      { return y }
+};
+
+Rickshaw.Fixtures.Number.formatBase1024KMGTP = function(y) {
+    var abs_y = Math.abs(y);
+    if (abs_y >= 1125899906842624)  { return y / 1125899906842624 + "P" }
+    else if (abs_y >= 1099511627776){ return y / 1099511627776 + "T" }
+    else if (abs_y >= 1073741824)   { return y / 1073741824 + "G" }
+    else if (abs_y >= 1048576)      { return y / 1048576 + "M" }
+    else if (abs_y >= 1024)         { return y / 1024 + "K" }
+    else if (abs_y < 1 && y > 0)    { return y.toFixed(2) }
+    else if (abs_y === 0)           { return '' }
+    else                        { return y }
+};
+Rickshaw.namespace("Rickshaw.Color.Palette");
+
+Rickshaw.Color.Palette = function(args) {
+
+	var color = new Rickshaw.Fixtures.Color();
+
+	args = args || {};
+	this.schemes = {};
+
+	this.scheme = color.schemes[args.scheme] || args.scheme || color.schemes.colorwheel;
+	this.runningIndex = 0;
+	this.generatorIndex = 0;
+
+	if (args.interpolatedStopCount) {
+		var schemeCount = this.scheme.length - 1;
+		var i, j, scheme = [];
+		for (i = 0; i < schemeCount; i++) {
+			scheme.push(this.scheme[i]);
+			var generator = d3.interpolateHsl(this.scheme[i], this.scheme[i + 1]);
+			for (j = 1; j < args.interpolatedStopCount; j++) {
+				scheme.push(generator((1 / args.interpolatedStopCount) * j));
+			}
+		}
+		scheme.push(this.scheme[this.scheme.length - 1]);
+		this.scheme = scheme;
+	}
+	this.rotateCount = this.scheme.length;
+
+	this.color = function(key) {
+		return this.scheme[key] || this.scheme[this.runningIndex++] || this.interpolateColor() || '#808080';
+	};
+
+	this.interpolateColor = function() {
+		if (!Array.isArray(this.scheme)) return;
+		var color;
+		if (this.generatorIndex == this.rotateCount * 2 - 1) {
+			color = d3.interpolateHsl(this.scheme[this.generatorIndex], this.scheme[0])(0.5);
+			this.generatorIndex = 0;
+			this.rotateCount *= 2;
+		} else {
+			color = d3.interpolateHsl(this.scheme[this.generatorIndex], this.scheme[this.generatorIndex + 1])(0.5);
+			this.generatorIndex++;
+		}
+		this.scheme.push(color);
+		return color;
+	};
+
+};
+Rickshaw.namespace('Rickshaw.Graph.Ajax');
+
+Rickshaw.Graph.Ajax = Rickshaw.Class.create( {
+
+	initialize: function(args) {
+
+		this.dataURL = args.dataURL;
+
+		this.onData = args.onData || function(d) { return d };
+		this.onComplete = args.onComplete || function() {};
+		this.onError = args.onError || function() {};
+
+		this.args = args; // pass through to Rickshaw.Graph
+
+		this.request();
+	},
+
+	request: function() {
+
+		jQuery.ajax( {
+			url: this.dataURL,
+			dataType: 'json',
+			success: this.success.bind(this),
+			error: this.error.bind(this)
+		} );
+	},
+
+	error: function() {
+
+		console.log("error loading dataURL: " + this.dataURL);
+		this.onError(this);
+	},
+
+	success: function(data, status) {
+
+		data = this.onData(data);
+		this.args.series = this._splice({ data: data, series: this.args.series });
+
+		this.graph = this.graph || new Rickshaw.Graph(this.args);
+		this.graph.render();
+
+		this.onComplete(this);
+	},
+
+	_splice: function(args) {
+
+		var data = args.data;
+		var series = args.series;
+
+		if (!args.series) return data;
+
+		series.forEach( function(s) {
+
+			var seriesKey = s.key || s.name;
+			if (!seriesKey) throw "series needs a key or a name";
+
+			data.forEach( function(d) {
+
+				var dataKey = d.key || d.name;
+				if (!dataKey) throw "data needs a key or a name";
+
+				if (seriesKey == dataKey) {
+					var properties = ['color', 'name', 'data'];
+					properties.forEach( function(p) {
+						if (d[p]) s[p] = d[p];
+					} );
+				}
+			} );
+		} );
+
+		return series;
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Annotate');
+
+Rickshaw.Graph.Annotate = function(args) {
+
+	var graph = this.graph = args.graph;
+	this.elements = { timeline: args.element };
+	
+	var self = this;
+
+	this.data = {};
+
+	this.elements.timeline.classList.add('rickshaw_annotation_timeline');
+
+	this.add = function(time, content, end_time) {
+		self.data[time] = self.data[time] || {'boxes': []};
+		self.data[time].boxes.push({content: content, end: end_time});
+	};
+
+	this.update = function() {
+
+		Rickshaw.keys(self.data).forEach( function(time) {
+
+			var annotation = self.data[time];
+			var left = self.graph.x(time);
+
+			if (left < 0 || left > self.graph.x.range()[1]) {
+				if (annotation.element) {
+					annotation.line.classList.add('offscreen');
+					annotation.element.style.display = 'none';
+				}
+
+				annotation.boxes.forEach( function(box) {
+					if ( box.rangeElement ) box.rangeElement.classList.add('offscreen');
+				});
+
+				return;
+			}
+
+			if (!annotation.element) {
+				var element = annotation.element = document.createElement('div');
+				element.classList.add('annotation');
+				this.elements.timeline.appendChild(element);
+				element.addEventListener('click', function(e) {
+					element.classList.toggle('active');
+					annotation.line.classList.toggle('active');
+					annotation.boxes.forEach( function(box) {
+						if ( box.rangeElement ) box.rangeElement.classList.toggle('active');
+					});
+				}, false);
+					
+			}
+
+			annotation.element.style.left = left + 'px';
+			annotation.element.style.display = 'block';
+
+			annotation.boxes.forEach( function(box) {
+
+
+				var element = box.element;
+
+				if (!element) {
+					element = box.element = document.createElement('div');
+					element.classList.add('content');
+					element.innerHTML = box.content;
+					annotation.element.appendChild(element);
+
+					annotation.line = document.createElement('div');
+					annotation.line.classList.add('annotation_line');
+					self.graph.element.appendChild(annotation.line);
+
+					if ( box.end ) {
+						box.rangeElement = document.createElement('div');
+						box.rangeElement.classList.add('annotation_range');
+						self.graph.element.appendChild(box.rangeElement);
+					}
+
+				}
+
+				if ( box.end ) {
+
+					var annotationRangeStart = left;
+					var annotationRangeEnd   = Math.min( self.graph.x(box.end), self.graph.x.range()[1] );
+
+					// annotation makes more sense at end
+					if ( annotationRangeStart > annotationRangeEnd ) {
+						annotationRangeEnd   = left;
+						annotationRangeStart = Math.max( self.graph.x(box.end), self.graph.x.range()[0] );
+					}
+
+					var annotationRangeWidth = annotationRangeEnd - annotationRangeStart;
+
+					box.rangeElement.style.left  = annotationRangeStart + 'px';
+					box.rangeElement.style.width = annotationRangeWidth + 'px';
+
+					box.rangeElement.classList.remove('offscreen');
+				}
+
+				annotation.line.classList.remove('offscreen');
+				annotation.line.style.left = left + 'px';
+			} );
+		}, this );
+	};
+
+	this.graph.onUpdate( function() { self.update() } );
+};
+Rickshaw.namespace('Rickshaw.Graph.Axis.Time');
+
+Rickshaw.Graph.Axis.Time = function(args) {
+
+	var self = this;
+
+	this.graph = args.graph;
+	this.elements = [];
+	this.ticksTreatment = args.ticksTreatment || 'plain';
+	this.fixedTimeUnit = args.timeUnit;
+
+	var time = args.timeFixture || new Rickshaw.Fixtures.Time();
+
+	this.appropriateTimeUnit = function() {
+
+		var unit;
+		var units = time.units;
+
+		var domain = this.graph.x.domain();
+		var rangeSeconds = domain[1] - domain[0];
+
+		units.forEach( function(u) {
+			if (Math.floor(rangeSeconds / u.seconds) >= 2) {
+				unit = unit || u;
+			}
+		} );
+
+		return (unit || time.units[time.units.length - 1]);
+	};
+
+	this.tickOffsets = function() {
+
+		var domain = this.graph.x.domain();
+
+		var unit = this.fixedTimeUnit || this.appropriateTimeUnit();
+		var count = Math.ceil((domain[1] - domain[0]) / unit.seconds);
+
+		var runningTick = domain[0];
+
+		var offsets = [];
+
+		for (var i = 0; i < count; i++) {
+
+			var tickValue = time.ceil(runningTick, unit);
+			runningTick = tickValue + unit.seconds / 2;
+
+			offsets.push( { value: tickValue, unit: unit } );
+		}
+
+		return offsets;
+	};
+
+	this.render = function() {
+
+		this.elements.forEach( function(e) {
+			e.parentNode.removeChild(e);
+		} );
+
+		this.elements = [];
+
+		var offsets = this.tickOffsets();
+
+		offsets.forEach( function(o) {
+			
+			if (self.graph.x(o.value) > self.graph.x.range()[1]) return;
+	
+			var element = document.createElement('div');
+			element.style.left = self.graph.x(o.value) + 'px';
+			element.classList.add('x_tick');
+			element.classList.add(self.ticksTreatment);
+
+			var title = document.createElement('div');
+			title.classList.add('title');
+			title.innerHTML = o.unit.formatter(new Date(o.value * 1000));
+			element.appendChild(title);
+
+			self.graph.element.appendChild(element);
+			self.elements.push(element);
+
+		} );
+	};
+
+	this.graph.onUpdate( function() { self.render() } );
+};
+
+Rickshaw.namespace('Rickshaw.Graph.Axis.X');
+
+Rickshaw.Graph.Axis.X = function(args) {
+
+	var self = this;
+	var berthRate = 0.10;
+
+	this.initialize = function(args) {
+
+		this.graph = args.graph;
+		this.orientation = args.orientation || 'top';
+
+		this.pixelsPerTick = args.pixelsPerTick || 75;
+		if (args.ticks) this.staticTicks = args.ticks;
+		if (args.tickValues) this.tickValues = args.tickValues;
+
+		this.tickSize = args.tickSize || 4;
+		this.ticksTreatment = args.ticksTreatment || 'plain';
+
+		if (args.element) {
+
+			this.element = args.element;
+			this._discoverSize(args.element, args);
+
+			this.vis = d3.select(args.element)
+				.append("svg:svg")
+				.attr('height', this.height)
+				.attr('width', this.width)
+				.attr('class', 'rickshaw_graph x_axis_d3');
+
+			this.element = this.vis[0][0];
+			this.element.style.position = 'relative';
+
+			this.setSize({ width: args.width, height: args.height });
+
+		} else {
+			this.vis = this.graph.vis;
+		}
+
+		this.graph.onUpdate( function() { self.render() } );
+	};
+
+	this.setSize = function(args) {
+
+		args = args || {};
+		if (!this.element) return;
+
+		this._discoverSize(this.element.parentNode, args);
+
+		this.vis
+			.attr('height', this.height)
+			.attr('width', this.width * (1 + berthRate));
+
+		var berth = Math.floor(this.width * berthRate / 2);
+		this.element.style.left = -1 * berth + 'px';
+	};
+
+	this.render = function() {
+
+		if (this._renderWidth !== undefined && this.graph.width !== this._renderWidth) this.setSize({ auto: true });
+
+		var axis = d3.svg.axis().scale(this.graph.x).orient(this.orientation);
+		axis.tickFormat( args.tickFormat || function(x) { return x } );
+		if (this.tickValues) axis.tickValues(this.tickValues);
+
+		this.ticks = this.staticTicks || Math.floor(this.graph.width / this.pixelsPerTick);
+
+		var berth = Math.floor(this.width * berthRate / 2) || 0;
+		var transform;
+
+		if (this.orientation == 'top') {
+			var yOffset = this.height || this.graph.height;
+			transform = 'translate(' + berth + ',' + yOffset + ')';
+		} else {
+			transform = 'translate(' + berth + ', 0)';
+		}
+
+		if (this.element) {
+			this.vis.selectAll('*').remove();
+		}
+
+		this.vis
+			.append("svg:g")
+			.attr("class", ["x_ticks_d3", this.ticksTreatment].join(" "))
+			.attr("transform", transform)
+			.call(axis.ticks(this.ticks).tickSubdivide(0).tickSize(this.tickSize));
+
+		var gridSize = (this.orientation == 'bottom' ? 1 : -1) * this.graph.height;
+
+		this.graph.vis
+			.append("svg:g")
+			.attr("class", "x_grid_d3")
+			.call(axis.ticks(this.ticks).tickSubdivide(0).tickSize(gridSize))
+			.selectAll('text')
+			.each(function() { this.parentNode.setAttribute('data-x-value', this.textContent) });
+
+		this._renderHeight = this.graph.height;
+	};
+
+	this._discoverSize = function(element, args) {
+
+		if (typeof window !== 'undefined') {
+
+			var style = window.getComputedStyle(element, null);
+			var elementHeight = parseInt(style.getPropertyValue('height'), 10);
+
+			if (!args.auto) {
+				var elementWidth = parseInt(style.getPropertyValue('width'), 10);
+			}
+		}
+
+		this.width = (args.width || elementWidth || this.graph.width) * (1 + berthRate);
+		this.height = args.height || elementHeight || 40;
+	};
+
+	this.initialize(args);
+};
+
+Rickshaw.namespace('Rickshaw.Graph.Axis.Y');
+
+Rickshaw.Graph.Axis.Y = Rickshaw.Class.create( {
+
+	initialize: function(args) {
+
+		this.graph = args.graph;
+		this.orientation = args.orientation || 'right';
+
+		this.pixelsPerTick = args.pixelsPerTick || 75;
+		if (args.ticks) this.staticTicks = args.ticks;
+		if (args.tickValues) this.tickValues = args.tickValues;
+
+		this.tickSize = args.tickSize || 4;
+		this.ticksTreatment = args.ticksTreatment || 'plain';
+
+		this.tickFormat = args.tickFormat || function(y) { return y };
+
+		this.berthRate = 0.10;
+
+		if (args.element) {
+
+			this.element = args.element;
+			this.vis = d3.select(args.element)
+				.append("svg:svg")
+				.attr('class', 'rickshaw_graph y_axis');
+
+			this.element = this.vis[0][0];
+			this.element.style.position = 'relative';
+
+			this.setSize({ width: args.width, height: args.height });
+
+		} else {
+			this.vis = this.graph.vis;
+		}
+
+		var self = this;
+		this.graph.onUpdate( function() { self.render() } );
+	},
+
+	setSize: function(args) {
+
+		args = args || {};
+
+		if (!this.element) return;
+
+		if (typeof window !== 'undefined') {
+
+			var style = window.getComputedStyle(this.element.parentNode, null);
+			var elementWidth = parseInt(style.getPropertyValue('width'), 10);
+
+			if (!args.auto) {
+				var elementHeight = parseInt(style.getPropertyValue('height'), 10);
+			}
+		}
+
+		this.width = args.width || elementWidth || this.graph.width * this.berthRate;
+		this.height = args.height || elementHeight || this.graph.height;
+
+		this.vis
+			.attr('width', this.width)
+			.attr('height', this.height * (1 + this.berthRate));
+
+		var berth = this.height * this.berthRate;
+
+		if (this.orientation == 'left') {
+			this.element.style.top = -1 * berth + 'px';
+		}
+	},
+
+	render: function() {
+
+		if (this._renderHeight !== undefined && this.graph.height !== this._renderHeight) this.setSize({ auto: true });
+
+		this.ticks = this.staticTicks || Math.floor(this.graph.height / this.pixelsPerTick);
+
+		var axis = this._drawAxis(this.graph.y);
+
+		this._drawGrid(axis);
+
+		this._renderHeight = this.graph.height;
+	},
+
+	_drawAxis: function(scale) {
+		var axis = d3.svg.axis().scale(scale).orient(this.orientation);
+		axis.tickFormat(this.tickFormat);
+		if (this.tickValues) axis.tickValues(this.tickValues);
+
+		if (this.orientation == 'left') {
+			var berth = this.height * this.berthRate;
+			var transform = 'translate(' + this.width + ', ' + berth + ')';
+		}
+
+		if (this.element) {
+			this.vis.selectAll('*').remove();
+		}
+
+		this.vis
+			.append("svg:g")
+			.attr("class", ["y_ticks", this.ticksTreatment].join(" "))
+			.attr("transform", transform)
+			.call(axis.ticks(this.ticks).tickSubdivide(0).tickSize(this.tickSize));
+
+		return axis;
+	},
+
+	_drawGrid: function(axis) {
+		var gridSize = (this.orientation == 'right' ? 1 : -1) * this.graph.width;
+
+		this.graph.vis
+			.append("svg:g")
+			.attr("class", "y_grid")
+			.call(axis.ticks(this.ticks).tickSubdivide(0).tickSize(gridSize))
+			.selectAll('text')
+			.each(function() { this.parentNode.setAttribute('data-y-value', this.textContent) });
+	}
+} );
+Rickshaw.namespace('Rickshaw.Graph.Axis.Y.Scaled');
+
+Rickshaw.Graph.Axis.Y.Scaled = Rickshaw.Class.create( Rickshaw.Graph.Axis.Y, {
+
+  initialize: function($super, args) {
+
+    if (typeof(args.scale) === 'undefined') {
+      throw new Error('Scaled requires scale');
+    }
+
+    this.scale = args.scale;
+
+    if (typeof(args.grid) === 'undefined') {
+      this.grid = true;
+    } else {
+      this.grid = args.grid;
+    }
+
+    $super(args);
+
+  },
+
+  _drawAxis: function($super, scale) {
+    // Adjust scale's domain to compensate for adjustments to the
+    // renderer's domain (e.g. padding).
+    var domain = this.scale.domain();
+    var renderDomain = this.graph.renderer.domain().y;
+
+    var extents = [
+      Math.min.apply(Math, domain),
+      Math.max.apply(Math, domain)];
+
+    // A mapping from the ideal render domain [0, 1] to the extent
+    // of the original scale's domain.  This is used to calculate
+    // the extents of the adjusted domain.
+    var extentMap = d3.scale.linear().domain([0, 1]).range(extents);
+
+    var adjExtents = [
+      extentMap(renderDomain[0]),
+      extentMap(renderDomain[1])];
+
+    // A mapping from the original domain to the adjusted domain.
+    var adjustment = d3.scale.linear().domain(extents).range(adjExtents);
+
+    // Make a copy of the custom scale, apply the adjusted domain, and
+    // copy the range to match the graph's scale.
+    var adjustedScale = this.scale.copy()
+      .domain(domain.map(adjustment))
+      .range(scale.range());
+
+    return $super(adjustedScale);
+  },
+
+  _drawGrid: function($super, axis) {
+    if (this.grid) {
+      // only draw the axis if the grid option is true
+      $super(axis);
+    }
+  }
+} );
+Rickshaw.namespace('Rickshaw.Graph.Behavior.Series.Highlight');
+
+Rickshaw.Graph.Behavior.Series.Highlight = function(args) {
+
+	this.graph = args.graph;
+	this.legend = args.legend;
+
+	var self = this;
+
+	var colorSafe = {};
+	var activeLine = null;
+
+	var disabledColor = args.disabledColor || function(seriesColor) {
+		return d3.interpolateRgb(seriesColor, d3.rgb('#d8d8d8'))(0.8).toString();
+	};
+
+	this.addHighlightEvents = function (l) {
+
+		l.element.addEventListener( 'mouseover', function(e) {
+
+			if (activeLine) return;
+			else activeLine = l;
+
+			self.legend.lines.forEach( function(line) {
+
+				if (l === line) {
+
+					// if we're not in a stacked renderer bring active line to the top
+					if (self.graph.renderer.unstack && (line.series.renderer ? line.series.renderer.unstack : true)) {
+
+						var seriesIndex = self.graph.series.indexOf(line.series);
+						line.originalIndex = seriesIndex;
+
+						var series = self.graph.series.splice(seriesIndex, 1)[0];
+						self.graph.series.push(series);
+					}
+					return;
+				}
+
+				colorSafe[line.series.name] = colorSafe[line.series.name] || line.series.color;
+				line.series.color = disabledColor(line.series.color);
+
+			} );
+
+			self.graph.update();
+
+		}, false );
+
+		l.element.addEventListener( 'mouseout', function(e) {
+
+			if (!activeLine) return;
+			else activeLine = null;
+
+			self.legend.lines.forEach( function(line) {
+
+				// return reordered series to its original place
+				if (l === line && line.hasOwnProperty('originalIndex')) {
+
+					var series = self.graph.series.pop();
+					self.graph.series.splice(line.originalIndex, 0, series);
+					delete line.originalIndex;
+				}
+
+				if (colorSafe[line.series.name]) {
+					line.series.color = colorSafe[line.series.name];
+				}
+			} );
+
+			self.graph.update();
+
+		}, false );
+	};
+
+	if (this.legend) {
+		this.legend.lines.forEach( function(l) {
+			self.addHighlightEvents(l);
+		} );
+	}
+
+};
+Rickshaw.namespace('Rickshaw.Graph.Behavior.Series.Order');
+
+Rickshaw.Graph.Behavior.Series.Order = function(args) {
+
+	this.graph = args.graph;
+	this.legend = args.legend;
+
+	var self = this;
+
+	if (typeof window.jQuery == 'undefined') {
+		throw "couldn't find jQuery at window.jQuery";
+	}
+
+	if (typeof window.jQuery.ui == 'undefined') {
+		throw "couldn't find jQuery UI at window.jQuery.ui";
+	}
+
+	jQuery(function() {
+		jQuery(self.legend.list).sortable( {
+			containment: 'parent',
+			tolerance: 'pointer',
+			update: function( event, ui ) {
+				var series = [];
+				jQuery(self.legend.list).find('li').each( function(index, item) {
+					if (!item.series) return;
+					series.push(item.series);
+				} );
+
+				for (var i = self.graph.series.length - 1; i >= 0; i--) {
+					self.graph.series[i] = series.shift();
+				}
+
+				self.graph.update();
+			}
+		} );
+		jQuery(self.legend.list).disableSelection();
+	});
+
+	//hack to make jquery-ui sortable behave
+	this.graph.onUpdate( function() { 
+		var h = window.getComputedStyle(self.legend.element).height;
+		self.legend.element.style.height = h;
+	} );
+};
+Rickshaw.namespace('Rickshaw.Graph.Behavior.Series.Toggle');
+
+Rickshaw.Graph.Behavior.Series.Toggle = function(args) {
+
+	this.graph = args.graph;
+	this.legend = args.legend;
+
+	var self = this;
+
+	this.addAnchor = function(line) {
+
+		var anchor = document.createElement('a');
+		anchor.innerHTML = '&#10004;';
+		anchor.classList.add('action');
+		line.element.insertBefore(anchor, line.element.firstChild);
+
+		anchor.onclick = function(e) {
+			if (line.series.disabled) {
+				line.series.enable();
+				line.element.classList.remove('disabled');
+			} else { 
+				if (this.graph.series.filter(function(s) { return !s.disabled }).length <= 1) return;
+				line.series.disable();
+				line.element.classList.add('disabled');
+			}
+
+			self.graph.update();
+
+		}.bind(this);
+		
+                var label = line.element.getElementsByTagName('span')[0];
+                label.onclick = function(e){
+
+                        var disableAllOtherLines = line.series.disabled;
+                        if ( ! disableAllOtherLines ) {
+                                for ( var i = 0; i < self.legend.lines.length; i++ ) {
+                                        var l = self.legend.lines[i];
+                                        if ( line.series === l.series ) {
+                                                // noop
+                                        } else if ( l.series.disabled ) {
+                                                // noop
+                                        } else {
+                                                disableAllOtherLines = true;
+                                                break;
+                                        }
+                                }
+                        }
+
+                        // show all or none
+                        if ( disableAllOtherLines ) {
+
+                                // these must happen first or else we try ( and probably fail ) to make a no line graph
+                                line.series.enable();
+                                line.element.classList.remove('disabled');
+
+                                self.legend.lines.forEach(function(l){
+                                        if ( line.series === l.series ) {
+                                                // noop
+                                        } else {
+                                                l.series.disable();
+                                                l.element.classList.add('disabled');
+                                        }
+                                });
+
+                        } else {
+
+                                self.legend.lines.forEach(function(l){
+                                        l.series.enable();
+                                        l.element.classList.remove('disabled');
+                                });
+
+                        }
+
+                        self.graph.update();
+
+                };
+
+	};
+
+	if (this.legend) {
+
+		var $ = jQuery;
+		if (typeof $ != 'undefined' && $(this.legend.list).sortable) {
+
+			$(this.legend.list).sortable( {
+				start: function(event, ui) {
+					ui.item.bind('no.onclick',
+						function(event) {
+							event.preventDefault();
+						}
+					);
+				},
+				stop: function(event, ui) {
+					setTimeout(function(){
+						ui.item.unbind('no.onclick');
+					}, 250);
+				}
+			});
+		}
+
+		this.legend.lines.forEach( function(l) {
+			self.addAnchor(l);
+		} );
+	}
+
+	this._addBehavior = function() {
+
+		this.graph.series.forEach( function(s) {
+			
+			s.disable = function() {
+
+				if (self.graph.series.length <= 1) {
+					throw('only one series left');
+				}
+				
+				s.disabled = true;
+			};
+
+			s.enable = function() {
+				s.disabled = false;
+			};
+		} );
+	};
+	this._addBehavior();
+
+	this.updateBehaviour = function () { this._addBehavior() };
+
+};
+Rickshaw.namespace('Rickshaw.Graph.HoverDetail');
+
+Rickshaw.Graph.HoverDetail = Rickshaw.Class.create({
+
+	initialize: function(args) {
+
+		var graph = this.graph = args.graph;
+
+		this.xFormatter = args.xFormatter || function(x) {
+			return new Date( x * 1000 ).toUTCString();
+		};
+
+		this.yFormatter = args.yFormatter || function(y) {
+			return y === null ? y : y.toFixed(2);
+		};
+
+		var element = this.element = document.createElement('div');
+		element.className = 'detail';
+
+		this.visible = true;
+		graph.element.appendChild(element);
+
+		this.lastEvent = null;
+		this._addListeners();
+
+		this.onShow = args.onShow;
+		this.onHide = args.onHide;
+		this.onRender = args.onRender;
+
+		this.formatter = args.formatter || this.formatter;
+
+	},
+
+	formatter: function(series, x, y, formattedX, formattedY, d) {
+		return series.name + ':&nbsp;' + formattedY;
+	},
+
+	update: function(e) {
+
+		e = e || this.lastEvent;
+		if (!e) return;
+		this.lastEvent = e;
+
+		if (!e.target.nodeName.match(/^(path|svg|rect|circle)$/)) return;
+
+		var graph = this.graph;
+
+		var eventX = e.offsetX || e.layerX;
+		var eventY = e.offsetY || e.layerY;
+
+		var j = 0;
+		var points = [];
+		var nearestPoint;
+
+		this.graph.series.active().forEach( function(series) {
+
+			var data = this.graph.stackedData[j++];
+
+			if (!data.length)
+				return;
+
+			var domainX = graph.x.invert(eventX);
+
+			var domainIndexScale = d3.scale.linear()
+				.domain([data[0].x, data.slice(-1)[0].x])
+				.range([0, data.length - 1]);
+
+			var approximateIndex = Math.round(domainIndexScale(domainX));
+			if (approximateIndex == data.length - 1) approximateIndex--;
+
+			var dataIndex = Math.min(approximateIndex || 0, data.length - 1);
+
+			for (var i = approximateIndex; i < data.length - 1;) {
+
+				if (!data[i] || !data[i + 1]) break;
+
+				if (data[i].x <= domainX && data[i + 1].x > domainX) {
+					dataIndex = Math.abs(domainX - data[i].x) < Math.abs(domainX - data[i + 1].x) ? i : i + 1;
+					break;
+				}
+
+				if (data[i + 1].x <= domainX) { i++ } else { i-- }
+			}
+
+			if (dataIndex < 0) dataIndex = 0;
+			var value = data[dataIndex];
+
+			var distance = Math.sqrt(
+				Math.pow(Math.abs(graph.x(value.x) - eventX), 2) +
+				Math.pow(Math.abs(graph.y(value.y + value.y0) - eventY), 2)
+			);
+
+			var xFormatter = series.xFormatter || this.xFormatter;
+			var yFormatter = series.yFormatter || this.yFormatter;
+
+			var point = {
+				formattedXValue: xFormatter(value.x),
+				formattedYValue: yFormatter(series.scale ? series.scale.invert(value.y) : value.y),
+				series: series,
+				value: value,
+				distance: distance,
+				order: j,
+				name: series.name
+			};
+
+			if (!nearestPoint || distance < nearestPoint.distance) {
+				nearestPoint = point;
+			}
+
+			points.push(point);
+
+		}, this );
+
+		if (!nearestPoint)
+			return;
+
+		nearestPoint.active = true;
+
+		var domainX = nearestPoint.value.x;
+		var formattedXValue = nearestPoint.formattedXValue;
+
+		this.element.innerHTML = '';
+		this.element.style.left = graph.x(domainX) + 'px';
+
+		this.visible && this.render( {
+			points: points,
+			detail: points, // for backwards compatibility
+			mouseX: eventX,
+			mouseY: eventY,
+			formattedXValue: formattedXValue,
+			domainX: domainX
+		} );
+	},
+
+	hide: function() {
+		this.visible = false;
+		this.element.classList.add('inactive');
+
+		if (typeof this.onHide == 'function') {
+			this.onHide();
+		}
+	},
+
+	show: function() {
+		this.visible = true;
+		this.element.classList.remove('inactive');
+
+		if (typeof this.onShow == 'function') {
+			this.onShow();
+		}
+	},
+
+	render: function(args) {
+
+		var graph = this.graph;
+		var points = args.points;
+		var point = points.filter( function(p) { return p.active } ).shift();
+
+		if (point.value.y === null) return;
+
+		var formattedXValue = point.formattedXValue;
+		var formattedYValue = point.formattedYValue;
+
+		this.element.innerHTML = '';
+		this.element.style.left = graph.x(point.value.x) + 'px';
+
+		var xLabel = document.createElement('div');
+
+		xLabel.className = 'x_label';
+		xLabel.innerHTML = formattedXValue;
+		this.element.appendChild(xLabel);
+
+		var item = document.createElement('div');
+
+		item.className = 'item';
+
+		// invert the scale if this series displays using a scale
+		var series = point.series;
+		var actualY = series.scale ? series.scale.invert(point.value.y) : point.value.y;
+
+		item.innerHTML = this.formatter(series, point.value.x, actualY, formattedXValue, formattedYValue, point);
+		item.style.top = this.graph.y(point.value.y0 + point.value.y) + 'px';
+
+		this.element.appendChild(item);
+
+		var dot = document.createElement('div');
+
+		dot.className = 'dot';
+		dot.style.top = item.style.top;
+		dot.style.borderColor = series.color;
+
+		this.element.appendChild(dot);
+
+		if (point.active) {
+			item.classList.add('active');
+			dot.classList.add('active');
+		}
+
+		// Assume left alignment until the element has been displayed and
+		// bounding box calculations are possible.
+		var alignables = [xLabel, item];
+		alignables.forEach(function(el) {
+			el.classList.add('left');
+		});
+
+		this.show();
+
+		// If left-alignment results in any error, try right-alignment.
+		var leftAlignError = this._calcLayoutError(alignables);
+		if (leftAlignError > 0) {
+			alignables.forEach(function(el) {
+				el.classList.remove('left');
+				el.classList.add('right');
+			});
+
+			// If right-alignment is worse than left alignment, switch back.
+			var rightAlignError = this._calcLayoutError(alignables);
+			if (rightAlignError > leftAlignError) {
+				alignables.forEach(function(el) {
+					el.classList.remove('right');
+					el.classList.add('left');
+				});
+			}
+		}
+
+		if (typeof this.onRender == 'function') {
+			this.onRender(args);
+		}
+	},
+
+	_calcLayoutError: function(alignables) {
+		// Layout error is calculated as the number of linear pixels by which
+		// an alignable extends past the left or right edge of the parent.
+		var parentRect = this.element.parentNode.getBoundingClientRect();
+
+		var error = 0;
+		var alignRight = alignables.forEach(function(el) {
+			var rect = el.getBoundingClientRect();
+			if (!rect.width) {
+				return;
+			}
+
+			if (rect.right > parentRect.right) {
+				error += rect.right - parentRect.right;
+			}
+
+			if (rect.left < parentRect.left) {
+				error += parentRect.left - rect.left;
+			}
+		});
+		return error;
+	},
+
+	_addListeners: function() {
+
+		this.graph.element.addEventListener(
+			'mousemove',
+			function(e) {
+				this.visible = true;
+				this.update(e);
+			}.bind(this),
+			false
+		);
+
+		this.graph.onUpdate( function() { this.update() }.bind(this) );
+
+		this.graph.element.addEventListener(
+			'mouseout',
+			function(e) {
+				if (e.relatedTarget && !(e.relatedTarget.compareDocumentPosition(this.graph.element) & Node.DOCUMENT_POSITION_CONTAINS)) {
+					this.hide();
+				}
+			}.bind(this),
+			false
+		);
+	}
+});
+Rickshaw.namespace('Rickshaw.Graph.JSONP');
+
+Rickshaw.Graph.JSONP = Rickshaw.Class.create( Rickshaw.Graph.Ajax, {
+
+	request: function() {
+
+		jQuery.ajax( {
+			url: this.dataURL,
+			dataType: 'jsonp',
+			success: this.success.bind(this),
+			error: this.error.bind(this)
+		} );
+	}
+} );
+Rickshaw.namespace('Rickshaw.Graph.Legend');
+
+Rickshaw.Graph.Legend = Rickshaw.Class.create( {
+
+	className: 'rickshaw_legend',
+
+	initialize: function(args) {
+		this.element = args.element;
+		this.graph = args.graph;
+		this.naturalOrder = args.naturalOrder;
+
+		this.element.classList.add(this.className);
+
+		this.list = document.createElement('ul');
+		this.element.appendChild(this.list);
+
+		this.render();
+
+		// we could bind this.render.bind(this) here
+		// but triggering the re-render would lose the added
+		// behavior of the series toggle
+		this.graph.onUpdate( function() {} );
+	},
+
+	render: function() {
+		var self = this;
+
+		while ( this.list.firstChild ) {
+			this.list.removeChild( this.list.firstChild );
+		}
+		this.lines = [];
+
+		var series = this.graph.series
+			.map( function(s) { return s } );
+
+		if (!this.naturalOrder) {
+			series = series.reverse();
+		}
+
+		series.forEach( function(s) {
+			self.addLine(s);
+		} );
+
+
+	},
+
+	addLine: function (series) {
+		var line = document.createElement('li');
+		line.className = 'line';
+		if (series.disabled) {
+			line.className += ' disabled';
+		}
+		if (series.className) {
+			d3.select(line).classed(series.className, true);
+		}
+		var swatch = document.createElement('div');
+		swatch.className = 'swatch';
+		swatch.style.backgroundColor = series.color;
+
+		line.appendChild(swatch);
+
+		var label = document.createElement('span');
+		label.className = 'label';
+		label.innerHTML = series.name;
+
+		line.appendChild(label);
+		this.list.appendChild(line);
+
+		line.series = series;
+
+		if (series.noLegend) {
+			line.style.display = 'none';
+		}
+
+		var _line = { element: line, series: series };
+		if (this.shelving) {
+			this.shelving.addAnchor(_line);
+			this.shelving.updateBehaviour();
+		}
+		if (this.highlighter) {
+			this.highlighter.addHighlightEvents(_line);
+		}
+		this.lines.push(_line);
+		return line;
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.RangeSlider');
+
+Rickshaw.Graph.RangeSlider = Rickshaw.Class.create({
+
+	initialize: function(args) {
+
+		var element = this.element = args.element;
+		var graph = this.graph = args.graph;
+
+		this.slideCallbacks = [];
+
+		this.build();
+
+		graph.onUpdate( function() { this.update() }.bind(this) );
+	},
+
+	build: function() {
+
+		var element = this.element;
+		var graph = this.graph;
+		var $ = jQuery;
+
+		var domain = graph.dataDomain();
+		var self = this;
+
+		$( function() {
+			$(element).slider( {
+				range: true,
+				min: domain[0],
+				max: domain[1],
+				values: [ 
+					domain[0],
+					domain[1]
+				],
+				slide: function( event, ui ) {
+
+					if (ui.values[1] <= ui.values[0]) return;
+
+					graph.window.xMin = ui.values[0];
+					graph.window.xMax = ui.values[1];
+					graph.update();
+
+					var domain = graph.dataDomain();
+
+					// if we're at an extreme, stick there
+					if (domain[0] == ui.values[0]) {
+						graph.window.xMin = undefined;
+					}
+
+					if (domain[1] == ui.values[1]) {
+						graph.window.xMax = undefined;
+					}
+
+					self.slideCallbacks.forEach(function(callback) {
+						callback(graph, graph.window.xMin, graph.window.xMax);
+					});
+				}
+			} );
+		} );
+
+		$(element)[0].style.width = graph.width + 'px';
+
+	},
+
+	update: function() {
+
+		var element = this.element;
+		var graph = this.graph;
+		var $ = jQuery;
+
+		var values = $(element).slider('option', 'values');
+
+		var domain = graph.dataDomain();
+
+		$(element).slider('option', 'min', domain[0]);
+		$(element).slider('option', 'max', domain[1]);
+
+		if (graph.window.xMin == null) {
+			values[0] = domain[0];
+		}
+		if (graph.window.xMax == null) {
+			values[1] = domain[1];
+		}
+
+		$(element).slider('option', 'values', values);
+	},
+
+	onSlide: function(callback) {
+		this.slideCallbacks.push(callback);
+	}
+});
+
+Rickshaw.namespace('Rickshaw.Graph.RangeSlider.Preview');
+
+Rickshaw.Graph.RangeSlider.Preview = Rickshaw.Class.create({
+
+	initialize: function(args) {
+
+		if (!args.element) throw "Rickshaw.Graph.RangeSlider.Preview needs a reference to an element";
+		if (!args.graph && !args.graphs) throw "Rickshaw.Graph.RangeSlider.Preview needs a reference to an graph or an array of graphs";
+
+		this.element = args.element;
+		this.element.style.position = 'relative';
+
+		this.graphs = args.graph ? [ args.graph ] : args.graphs;
+
+		this.defaults = {
+			height: 75,
+			width: 400,
+			gripperColor: undefined,
+			frameTopThickness: 3,
+			frameHandleThickness: 10,
+			frameColor: "#d4d4d4",
+			frameOpacity: 1,
+			minimumFrameWidth: 0,
+			heightRatio: 0.2
+		};
+
+		this.heightRatio = args.heightRatio || this.defaults.heightRatio;
+		this.defaults.gripperColor = d3.rgb(this.defaults.frameColor).darker().toString(); 
+
+		this.configureCallbacks = [];
+		this.slideCallbacks = [];
+
+		this.previews = [];
+
+		if (!args.width) this.widthFromGraph = true;
+		if (!args.height) this.heightFromGraph = true;
+
+		if (this.widthFromGraph || this.heightFromGraph) {
+			this.graphs[0].onConfigure(function () {
+				this.configure(args); this.render();
+			}.bind(this));
+		}
+
+		args.width = args.width || this.graphs[0].width || this.defaults.width;
+		args.height = args.height || this.graphs[0].height * this.heightRatio || this.defaults.height;
+
+		this.configure(args);
+		this.render();
+	},
+
+	onSlide: function(callback) {
+		this.slideCallbacks.push(callback);
+	},
+
+	onConfigure: function(callback) {
+		this.configureCallbacks.push(callback);
+	},
+
+	configure: function(args) {
+
+		this.config = this.config || {};
+
+		this.configureCallbacks.forEach(function(callback) {
+			callback(args);
+		});
+
+		Rickshaw.keys(this.defaults).forEach(function(k) {
+			this.config[k] = k in args ? args[k]
+				: k in this.config ? this.config[k]
+				: this.defaults[k];
+		}, this);
+
+		if ('width' in args || 'height' in args) {
+
+			if (this.widthFromGraph) {
+				this.config.width = this.graphs[0].width;
+			}
+
+			if (this.heightFromGraph) {
+				this.config.height = this.graphs[0].height * this.heightRatio;
+				this.previewHeight = this.config.height;
+			}
+
+			this.previews.forEach(function(preview) {
+
+				var height = this.previewHeight / this.graphs.length - this.config.frameTopThickness * 2;
+				var width = this.config.width - this.config.frameHandleThickness * 2;
+				preview.setSize({ width: width, height: height });
+
+				if (this.svg) {
+					var svgHeight = height + this.config.frameHandleThickness * 2;
+					var svgWidth = width + this.config.frameHandleThickness * 2;
+					this.svg.style("width", svgWidth + "px");
+					this.svg.style("height", svgHeight + "px");
+				}
+			}, this);
+		}
+	},
+
+	render: function() {
+
+		var self = this;
+
+		this.svg = d3.select(this.element)
+			.selectAll("svg.rickshaw_range_slider_preview")
+			.data([null]);
+
+		this.previewHeight = this.config.height - (this.config.frameTopThickness * 2);
+		this.previewWidth = this.config.width - (this.config.frameHandleThickness * 2);
+
+		this.currentFrame = [0, this.previewWidth];
+
+		var buildGraph = function(parent, index) {
+
+			var graphArgs = Rickshaw.extend({}, parent.config);
+			var height = self.previewHeight / self.graphs.length;
+			var renderer = parent.renderer.name;
+
+			Rickshaw.extend(graphArgs, {
+				element: this.appendChild(document.createElement("div")),
+				height: height,
+				width: self.previewWidth,
+				series: parent.series,
+				renderer: renderer
+			});
+
+			var graph = new Rickshaw.Graph(graphArgs);
+			self.previews.push(graph);
+
+			parent.onUpdate(function() { graph.render(); self.render() });
+
+			parent.onConfigure(function(args) { 
+				// don't propagate height
+				delete args.height;
+				args.width = args.width - self.config.frameHandleThickness * 2;
+				graph.configure(args);
+				graph.render();
+			});
+
+			graph.render();
+		};
+
+		var graphContainer = d3.select(this.element)
+			.selectAll("div.rickshaw_range_slider_preview_container")
+			.data(this.graphs);
+
+		var translateCommand = "translate(" +
+			this.config.frameHandleThickness + "px, " +
+			this.config.frameTopThickness + "px)";
+
+		graphContainer.enter()
+			.append("div")
+			.classed("rickshaw_range_slider_preview_container", true)
+			.style("-webkit-transform", translateCommand)
+			.style("-moz-transform", translateCommand)
+			.style("-ms-transform", translateCommand)
+			.style("transform", translateCommand)
+			.each(buildGraph);
+
+		graphContainer.exit()
+			.remove();
+
+		// Use the first graph as the "master" for the frame state
+		var masterGraph = this.graphs[0];
+
+		var domainScale = d3.scale.linear()
+			.domain([0, this.previewWidth])
+			.range(masterGraph.dataDomain());
+
+		var currentWindow = [masterGraph.window.xMin, masterGraph.window.xMax];
+
+		this.currentFrame[0] = currentWindow[0] === undefined ? 
+			0 : Math.round(domainScale.invert(currentWindow[0]));
+
+		if (this.currentFrame[0] < 0) this.currentFrame[0] = 0;
+
+		this.currentFrame[1] = currentWindow[1] === undefined ?
+			this.previewWidth : domainScale.invert(currentWindow[1]);
+
+		if (this.currentFrame[1] - this.currentFrame[0] < self.config.minimumFrameWidth) {
+			this.currentFrame[1] = (this.currentFrame[0] || 0) + self.config.minimumFrameWidth;
+		}
+
+		this.svg.enter()
+			.append("svg")
+			.classed("rickshaw_range_slider_preview", true)
+			.style("height", this.config.height + "px")
+			.style("width", this.config.width + "px")
+			.style("position", "absolute")
+			.style("top", 0);
+
+		this._renderDimming();
+		this._renderFrame();
+		this._renderGrippers();
+		this._renderHandles();
+		this._renderMiddle();
+
+		this._registerMouseEvents();
+	},
+
+	_renderDimming: function() {
+
+		var element = this.svg
+			.selectAll("path.dimming")
+			.data([null]);
+
+		element.enter()
+			.append("path")
+			.attr("fill", "white")
+			.attr("fill-opacity", "0.7")
+			.attr("fill-rule", "evenodd")
+			.classed("dimming", true);
+
+		var path = "";
+		path += " M " + this.config.frameHandleThickness + " " + this.config.frameTopThickness;
+		path += " h " + this.previewWidth;
+		path += " v " + this.previewHeight;
+		path += " h " + -this.previewWidth;
+		path += " z ";
+		path += " M " + Math.max(this.currentFrame[0], this.config.frameHandleThickness) + " " + this.config.frameTopThickness;
+		path += " H " + Math.min(this.currentFrame[1] + this.config.frameHandleThickness * 2, this.previewWidth + this.config.frameHandleThickness);
+		path += " v " + this.previewHeight;
+		path += " H " + Math.max(this.currentFrame[0], this.config.frameHandleThickness);
+		path += " z";
+
+		element.attr("d", path);
+	},
+
+	_renderFrame: function() {
+
+		var element = this.svg
+			.selectAll("path.frame")
+			.data([null]);
+
+		element.enter()
+			.append("path")
+			.attr("stroke", "white")
+			.attr("stroke-width", "1px")
+			.attr("stroke-linejoin", "round")
+			.attr("fill", this.config.frameColor)
+			.attr("fill-opacity", this.config.frameOpacity)
+			.attr("fill-rule", "evenodd")
+			.classed("frame", true);
+
+		var path = "";
+		path += " M " + this.currentFrame[0] + " 0";
+		path += " H " + (this.currentFrame[1] + (this.config.frameHandleThickness * 2));
+		path += " V " + this.config.height;
+		path += " H " + (this.currentFrame[0]);
+		path += " z";
+		path += " M " + (this.currentFrame[0] + this.config.frameHandleThickness) + " " + this.config.frameTopThickness;
+		path += " H " + (this.currentFrame[1] + this.config.frameHandleThickness);
+		path += " v " + this.previewHeight;
+		path += " H " + (this.currentFrame[0] + this.config.frameHandleThickness);
+		path += " z";
+
+		element.attr("d", path);
+	},
+
+	_renderGrippers: function() {
+
+		var gripper = this.svg.selectAll("path.gripper")
+			.data([null]);
+
+		gripper.enter()
+			.append("path")
+			.attr("stroke", this.config.gripperColor)
+			.classed("gripper", true);
+
+		var path = "";
+
+		[0.4, 0.6].forEach(function(spacing) {
+			path += " M " + Math.round((this.currentFrame[0] + (this.config.frameHandleThickness * spacing))) + " " + Math.round(this.config.height * 0.3);
+			path += " V " + Math.round(this.config.height * 0.7);
+			path += " M " + Math.round((this.currentFrame[1] + (this.config.frameHandleThickness * (1 + spacing)))) + " " + Math.round(this.config.height * 0.3);
+			path += " V " + Math.round(this.config.height * 0.7);
+		}.bind(this));
+
+		gripper.attr("d", path);
+	},
+
+	_renderHandles: function() {
+
+		var leftHandle = this.svg.selectAll("rect.left_handle")
+			.data([null]);
+
+		leftHandle.enter()
+			.append("rect")
+			.attr('width', this.config.frameHandleThickness)
+			.style("cursor", "ew-resize")
+			.style("fill-opacity", "0")
+			.classed("left_handle", true);
+
+		leftHandle
+			.attr('x', this.currentFrame[0])
+			.attr('height', this.config.height);
+
+		var rightHandle = this.svg.selectAll("rect.right_handle")
+			.data([null]);
+
+		rightHandle.enter()
+			.append("rect")
+			.attr('width', this.config.frameHandleThickness)
+			.style("cursor", "ew-resize")
+			.style("fill-opacity", "0")
+			.classed("right_handle", true);
+
+		rightHandle
+			.attr('x', this.currentFrame[1] + this.config.frameHandleThickness)
+			.attr('height', this.config.height);
+	},
+
+	_renderMiddle: function() {
+
+		var middleHandle = this.svg.selectAll("rect.middle_handle")
+			.data([null]);
+
+		middleHandle.enter()
+			.append("rect")
+			.style("cursor", "move")
+			.style("fill-opacity", "0")
+			.classed("middle_handle", true);
+
+		middleHandle
+			.attr('width', Math.max(0, this.currentFrame[1] - this.currentFrame[0]))
+			.attr('x', this.currentFrame[0] + this.config.frameHandleThickness)
+			.attr('height', this.config.height);
+	},
+
+	_registerMouseEvents: function() {
+
+		var element = d3.select(this.element);
+
+		var drag = {
+			target: null,
+			start: null,
+			stop: null,
+			left: false,
+			right: false,
+			rigid: false
+		};
+
+		var self = this;
+
+		function onMousemove(datum, index) {
+
+			drag.stop = self._getClientXFromEvent(d3.event, drag);
+			var distanceTraveled = drag.stop - drag.start;
+			var frameAfterDrag = self.frameBeforeDrag.slice(0);
+			var minimumFrameWidth = self.config.minimumFrameWidth;
+
+			if (drag.rigid) {
+				minimumFrameWidth = self.frameBeforeDrag[1] - self.frameBeforeDrag[0];
+			}
+			if (drag.left) {
+				frameAfterDrag[0] = Math.max(frameAfterDrag[0] + distanceTraveled, 0);
+			}
+			if (drag.right) {
+				frameAfterDrag[1] = Math.min(frameAfterDrag[1] + distanceTraveled, self.previewWidth);
+			}
+
+			var currentFrameWidth = frameAfterDrag[1] - frameAfterDrag[0];
+
+			if (currentFrameWidth <= minimumFrameWidth) {
+
+				if (drag.left) {
+					frameAfterDrag[0] = frameAfterDrag[1] - minimumFrameWidth;
+				}
+				if (drag.right) {
+					frameAfterDrag[1] = frameAfterDrag[0] + minimumFrameWidth;
+				}
+				if (frameAfterDrag[0] <= 0) {
+					frameAfterDrag[1] -= frameAfterDrag[0];
+					frameAfterDrag[0] = 0;
+				}
+				if (frameAfterDrag[1] >= self.previewWidth) {
+					frameAfterDrag[0] -= (frameAfterDrag[1] - self.previewWidth);
+					frameAfterDrag[1] = self.previewWidth;
+				}
+			}
+
+			self.graphs.forEach(function(graph) {
+
+				var domainScale = d3.scale.linear()
+					.interpolate(d3.interpolateNumber)
+					.domain([0, self.previewWidth])
+					.range(graph.dataDomain());
+
+				var windowAfterDrag = [
+					domainScale(frameAfterDrag[0]),
+					domainScale(frameAfterDrag[1])
+				];
+
+				self.slideCallbacks.forEach(function(callback) {
+					callback(graph, windowAfterDrag[0], windowAfterDrag[1]);
+				});
+
+				if (frameAfterDrag[0] === 0) {
+					windowAfterDrag[0] = undefined;
+				}
+				if (frameAfterDrag[1] === self.previewWidth) {
+					windowAfterDrag[1] = undefined;
+				}
+				graph.window.xMin = windowAfterDrag[0];
+				graph.window.xMax = windowAfterDrag[1];
+
+				graph.update();
+			});
+		}
+
+		function onMousedown() {
+			drag.target = d3.event.target;
+			drag.start = self._getClientXFromEvent(d3.event, drag);
+			self.frameBeforeDrag = self.currentFrame.slice();
+			d3.event.preventDefault ? d3.event.preventDefault() : d3.event.returnValue = false;
+			d3.select(document).on("mousemove.rickshaw_range_slider_preview", onMousemove);
+			d3.select(document).on("mouseup.rickshaw_range_slider_preview", onMouseup);
+			d3.select(document).on("touchmove.rickshaw_range_slider_preview", onMousemove);
+			d3.select(document).on("touchend.rickshaw_range_slider_preview", onMouseup);
+			d3.select(document).on("touchcancel.rickshaw_range_slider_preview", onMouseup);
+		}
+
+		function onMousedownLeftHandle(datum, index) {
+			drag.left = true;
+			onMousedown();
+		}
+
+		function onMousedownRightHandle(datum, index) {
+			drag.right = true;
+			onMousedown();
+		}
+
+		function onMousedownMiddleHandle(datum, index) {
+			drag.left = true;
+			drag.right = true;
+			drag.rigid = true;
+			onMousedown();
+		}
+
+		function onMouseup(datum, index) {
+			d3.select(document).on("mousemove.rickshaw_range_slider_preview", null);
+			d3.select(document).on("mouseup.rickshaw_range_slider_preview", null);
+			d3.select(document).on("touchmove.rickshaw_range_slider_preview", null);
+			d3.select(document).on("touchend.rickshaw_range_slider_preview", null);
+			d3.select(document).on("touchcancel.rickshaw_range_slider_preview", null);
+			delete self.frameBeforeDrag;
+			drag.left = false;
+			drag.right = false;
+			drag.rigid = false;
+		}
+
+		element.select("rect.left_handle").on("mousedown", onMousedownLeftHandle);
+		element.select("rect.right_handle").on("mousedown", onMousedownRightHandle);
+		element.select("rect.middle_handle").on("mousedown", onMousedownMiddleHandle);
+		element.select("rect.left_handle").on("touchstart", onMousedownLeftHandle);
+		element.select("rect.right_handle").on("touchstart", onMousedownRightHandle);
+		element.select("rect.middle_handle").on("touchstart", onMousedownMiddleHandle);
+	},
+
+	_getClientXFromEvent: function(event, drag) {
+
+		switch (event.type) {
+			case 'touchstart':
+			case 'touchmove':
+				var touchList = event.changedTouches;
+				var touch = null;
+				for (var touchIndex = 0; touchIndex < touchList.length; touchIndex++) {
+					if (touchList[touchIndex].target === drag.target) {
+						touch = touchList[touchIndex];
+						break;
+					}
+				}
+				return touch !== null ? touch.clientX : undefined;
+
+			default:
+				return event.clientX;
+		}
+	}
+});
+
+Rickshaw.namespace("Rickshaw.Graph.Renderer");
+
+Rickshaw.Graph.Renderer = Rickshaw.Class.create( {
+
+	initialize: function(args) {
+		this.graph = args.graph;
+		this.tension = args.tension || this.tension;
+		this.configure(args);
+	},
+
+	seriesPathFactory: function() {
+		//implement in subclass
+	},
+
+	seriesStrokeFactory: function() {
+		// implement in subclass
+	},
+
+	defaults: function() {
+		return {
+			tension: 0.8,
+			strokeWidth: 2,
+			unstack: true,
+			padding: { top: 0.01, right: 0, bottom: 0.01, left: 0 },
+			stroke: false,
+			fill: false
+		};
+	},
+
+	domain: function(data) {
+		// Requires that at least one series contains some data
+		var stackedData = data || this.graph.stackedData || this.graph.stackData();
+
+		var xMin = +Infinity;
+		var xMax = -Infinity;
+
+		var yMin = +Infinity;
+		var yMax = -Infinity;
+
+		stackedData.forEach( function(series) {
+
+			series.forEach( function(d) {
+
+				if (d.y == null) return;
+
+				var y = d.y + d.y0;
+
+				if (y < yMin) yMin = y;
+				if (y > yMax) yMax = y;
+			} );
+
+			if (!series.length) return;
+
+			if (series[0].x < xMin) xMin = series[0].x;
+			if (series[series.length - 1].x > xMax) xMax = series[series.length - 1].x;
+		} );
+
+		xMin -= (xMax - xMin) * this.padding.left;
+		xMax += (xMax - xMin) * this.padding.right;
+
+		yMin = this.graph.min === 'auto' ? yMin : this.graph.min || 0;
+		yMax = this.graph.max === undefined ? yMax : this.graph.max;
+
+		if (this.graph.min === 'auto' || yMin < 0) {
+			yMin -= (yMax - yMin) * this.padding.bottom;
+		}
+
+		if (this.graph.max === undefined) {
+			yMax += (yMax - yMin) * this.padding.top;
+		}
+
+		return { x: [xMin, xMax], y: [yMin, yMax] };
+	},
+
+	render: function(args) {
+
+		args = args || {};
+
+		var graph = this.graph;
+		var series = args.series || graph.series;
+
+		var vis = args.vis || graph.vis;
+		vis.selectAll('*').remove();
+
+		var data = series
+			.filter(function(s) { return !s.disabled })
+			.map(function(s) { return s.stack });
+
+		var pathNodes = vis.selectAll("path.path")
+			.data(data)
+			.enter().append("svg:path")
+			.classed('path', true)
+			.attr("d", this.seriesPathFactory());
+
+		if (this.stroke) {
+                        var strokeNodes = vis.selectAll('path.stroke')
+                                .data(data)
+                                .enter().append("svg:path")
+				.classed('stroke', true)
+				.attr("d", this.seriesStrokeFactory());
+		}
+
+		var i = 0;
+		series.forEach( function(series) {
+			if (series.disabled) return;
+			series.path = pathNodes[0][i];
+			if (this.stroke) series.stroke = strokeNodes[0][i];
+			this._styleSeries(series);
+			i++;
+		}, this );
+
+	},
+
+	_styleSeries: function(series) {
+
+		var fill = this.fill ? series.color : 'none';
+		var stroke = this.stroke ? series.color : 'none';
+
+		series.path.setAttribute('fill', fill);
+		series.path.setAttribute('stroke', stroke);
+		series.path.setAttribute('stroke-width', this.strokeWidth);
+
+		if (series.className) {
+			d3.select(series.path).classed(series.className, true);
+		}
+		if (series.className && this.stroke) {
+			d3.select(series.stroke).classed(series.className, true);
+		}
+	},
+
+	configure: function(args) {
+
+		args = args || {};
+
+		Rickshaw.keys(this.defaults()).forEach( function(key) {
+
+			if (!args.hasOwnProperty(key)) {
+				this[key] = this[key] || this.graph[key] || this.defaults()[key];
+				return;
+			}
+
+			if (typeof this.defaults()[key] == 'object') {
+
+				Rickshaw.keys(this.defaults()[key]).forEach( function(k) {
+
+					this[key][k] =
+						args[key][k] !== undefined ? args[key][k] :
+						this[key][k] !== undefined ? this[key][k] :
+						this.defaults()[key][k];
+				}, this );
+
+			} else {
+				this[key] =
+					args[key] !== undefined ? args[key] :
+					this[key] !== undefined ? this[key] :
+					this.graph[key] !== undefined ? this.graph[key] :
+					this.defaults()[key];
+			}
+
+		}, this );
+	},
+
+	setStrokeWidth: function(strokeWidth) {
+		if (strokeWidth !== undefined) {
+			this.strokeWidth = strokeWidth;
+		}
+	},
+
+	setTension: function(tension) {
+		if (tension !== undefined) {
+			this.tension = tension;
+		}
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Renderer.Line');
+
+Rickshaw.Graph.Renderer.Line = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'line',
+
+	defaults: function($super) {
+
+		return Rickshaw.extend( $super(), {
+			unstack: true,
+			fill: false,
+			stroke: true
+		} );
+	},
+
+	seriesPathFactory: function() {
+
+		var graph = this.graph;
+
+		var factory = d3.svg.line()
+			.x( function(d) { return graph.x(d.x) } )
+			.y( function(d) { return graph.y(d.y) } )
+			.interpolate(this.graph.interpolation).tension(this.tension);
+
+		factory.defined && factory.defined( function(d) { return d.y !== null } );
+		return factory;
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Renderer.Stack');
+
+Rickshaw.Graph.Renderer.Stack = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'stack',
+
+	defaults: function($super) {
+
+		return Rickshaw.extend( $super(), {
+			fill: true,
+			stroke: false,
+			unstack: false
+		} );
+	},
+
+	seriesPathFactory: function() {
+
+		var graph = this.graph;
+
+		var factory = d3.svg.area()
+			.x( function(d) { return graph.x(d.x) } )
+			.y0( function(d) { return graph.y(d.y0) } )
+			.y1( function(d) { return graph.y(d.y + d.y0) } )
+			.interpolate(this.graph.interpolation).tension(this.tension);
+
+		factory.defined && factory.defined( function(d) { return d.y !== null } );
+		return factory;
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Renderer.Bar');
+
+Rickshaw.Graph.Renderer.Bar = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'bar',
+
+	defaults: function($super) {
+
+		var defaults = Rickshaw.extend( $super(), {
+			gapSize: 0.05,
+			unstack: false
+		} );
+
+		delete defaults.tension;
+		return defaults;
+	},
+
+	initialize: function($super, args) {
+		args = args || {};
+		this.gapSize = args.gapSize || this.gapSize;
+		$super(args);
+	},
+
+	domain: function($super) {
+
+		var domain = $super();
+
+		var frequentInterval = this._frequentInterval(this.graph.stackedData.slice(-1).shift());
+		domain.x[1] += Number(frequentInterval.magnitude);
+
+		return domain;
+	},
+
+	barWidth: function(series) {
+
+		var frequentInterval = this._frequentInterval(series.stack);
+		var barWidth = this.graph.x.magnitude(frequentInterval.magnitude) * (1 - this.gapSize);
+
+		return barWidth;
+	},
+
+	render: function(args) {
+
+		args = args || {};
+
+		var graph = this.graph;
+		var series = args.series || graph.series;
+
+		var vis = args.vis || graph.vis;
+		vis.selectAll('*').remove();
+
+		var barWidth = this.barWidth(series.active()[0]);
+		var barXOffset = 0;
+
+		var activeSeriesCount = series.filter( function(s) { return !s.disabled; } ).length;
+		var seriesBarWidth = this.unstack ? barWidth / activeSeriesCount : barWidth;
+
+		var transform = function(d) {
+			// add a matrix transform for negative values
+			var matrix = [ 1, 0, 0, (d.y < 0 ? -1 : 1), 0, (d.y < 0 ? graph.y.magnitude(Math.abs(d.y)) * 2 : 0) ];
+			return "matrix(" + matrix.join(',') + ")";
+		};
+
+		series.forEach( function(series) {
+
+			if (series.disabled) return;
+
+			var barWidth = this.barWidth(series);
+
+			var nodes = vis.selectAll("path")
+				.data(series.stack.filter( function(d) { return d.y !== null } ))
+				.enter().append("svg:rect")
+				.attr("x", function(d) { return graph.x(d.x) + barXOffset })
+				.attr("y", function(d) { return (graph.y(d.y0 + Math.abs(d.y))) * (d.y < 0 ? -1 : 1 ) })
+				.attr("width", seriesBarWidth)
+				.attr("height", function(d) { return graph.y.magnitude(Math.abs(d.y)) })
+				.attr("transform", transform);
+
+			Array.prototype.forEach.call(nodes[0], function(n) {
+				n.setAttribute('fill', series.color);
+			} );
+
+			if (this.unstack) barXOffset += seriesBarWidth;
+
+		}, this );
+	},
+
+	_frequentInterval: function(data) {
+
+		var intervalCounts = {};
+
+		for (var i = 0; i < data.length - 1; i++) {
+			var interval = data[i + 1].x - data[i].x;
+			intervalCounts[interval] = intervalCounts[interval] || 0;
+			intervalCounts[interval]++;
+		}
+
+		var frequentInterval = { count: 0, magnitude: 1 };
+
+		Rickshaw.keys(intervalCounts).forEach( function(i) {
+			if (frequentInterval.count < intervalCounts[i]) {
+				frequentInterval = {
+					count: intervalCounts[i],
+					magnitude: i
+				};
+			}
+		} );
+
+		return frequentInterval;
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Renderer.Area');
+
+Rickshaw.Graph.Renderer.Area = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'area',
+
+	defaults: function($super) {
+
+		return Rickshaw.extend( $super(), {
+			unstack: false,
+			fill: false,
+			stroke: false
+		} );
+	},
+
+	seriesPathFactory: function() {
+
+		var graph = this.graph;
+
+		var factory = d3.svg.area()
+			.x( function(d) { return graph.x(d.x) } )
+			.y0( function(d) { return graph.y(d.y0) } )
+			.y1( function(d) { return graph.y(d.y + d.y0) } )
+			.interpolate(graph.interpolation).tension(this.tension);
+
+		factory.defined && factory.defined( function(d) { return d.y !== null } );
+		return factory;
+	},
+
+	seriesStrokeFactory: function() {
+
+		var graph = this.graph;
+
+		var factory = d3.svg.line()
+			.x( function(d) { return graph.x(d.x) } )
+			.y( function(d) { return graph.y(d.y + d.y0) } )
+			.interpolate(graph.interpolation).tension(this.tension);
+
+		factory.defined && factory.defined( function(d) { return d.y !== null } );
+		return factory;
+	},
+
+	render: function(args) {
+
+		args = args || {};
+
+		var graph = this.graph;
+		var series = args.series || graph.series;
+
+		var vis = args.vis || graph.vis;
+		vis.selectAll('*').remove();
+
+		// insert or stacked areas so strokes lay on top of areas
+		var method = this.unstack ? 'append' : 'insert';
+
+		var data = series
+			.filter(function(s) { return !s.disabled })
+			.map(function(s) { return s.stack });
+
+		var nodes = vis.selectAll("path")
+			.data(data)
+			.enter()[method]("svg:g", 'g');
+
+		nodes.append("svg:path")
+			.attr("d", this.seriesPathFactory())
+			.attr("class", 'area');
+
+		if (this.stroke) {
+			nodes.append("svg:path")
+				.attr("d", this.seriesStrokeFactory())
+				.attr("class", 'line');
+		}
+
+		var i = 0;
+		series.forEach( function(series) {
+			if (series.disabled) return;
+			series.path = nodes[0][i++];
+			this._styleSeries(series);
+		}, this );
+	},
+
+	_styleSeries: function(series) {
+
+		if (!series.path) return;
+
+		d3.select(series.path).select('.area')
+			.attr('fill', series.color);
+
+		if (this.stroke) {
+			d3.select(series.path).select('.line')
+				.attr('fill', 'none')
+				.attr('stroke', series.stroke || d3.interpolateRgb(series.color, 'black')(0.125))
+				.attr('stroke-width', this.strokeWidth);
+		}
+
+		if (series.className) {
+			series.path.setAttribute('class', series.className);
+		}
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Renderer.ScatterPlot');
+
+Rickshaw.Graph.Renderer.ScatterPlot = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'scatterplot',
+
+	defaults: function($super) {
+
+		return Rickshaw.extend( $super(), {
+			unstack: true,
+			fill: true,
+			stroke: false,
+			padding:{ top: 0.01, right: 0.01, bottom: 0.01, left: 0.01 },
+			dotSize: 4
+		} );
+	},
+
+	initialize: function($super, args) {
+		$super(args);
+	},
+
+	render: function(args) {
+
+		args = args || {};
+
+		var graph = this.graph;
+
+		var series = args.series || graph.series;
+		var vis = args.vis || graph.vis;
+
+		var dotSize = this.dotSize;
+
+		vis.selectAll('*').remove();
+
+		series.forEach( function(series) {
+
+			if (series.disabled) return;
+
+			var nodes = vis.selectAll("path")
+				.data(series.stack.filter( function(d) { return d.y !== null } ))
+				.enter().append("svg:circle")
+					.attr("cx", function(d) { return graph.x(d.x) })
+					.attr("cy", function(d) { return graph.y(d.y) })
+					.attr("r", function(d) { return ("r" in d) ? d.r : dotSize});
+			if (series.className) {
+				nodes.classed(series.className, true);
+			}
+			
+			Array.prototype.forEach.call(nodes[0], function(n) {
+				n.setAttribute('fill', series.color);
+			} );
+
+		}, this );
+	}
+} );
+Rickshaw.namespace('Rickshaw.Graph.Renderer.Multi');
+
+Rickshaw.Graph.Renderer.Multi = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'multi',
+
+	initialize: function($super, args) {
+
+		$super(args);
+	},
+
+	defaults: function($super) {
+
+		return Rickshaw.extend( $super(), {
+			unstack: true,
+			fill: false,
+			stroke: true 
+		} );
+	},
+
+	configure: function($super, args) {
+
+		args = args || {};
+		this.config = args;
+		$super(args);
+	},
+
+	domain: function($super) {
+
+		this.graph.stackData();
+
+		var domains = [];
+
+		var groups = this._groups();
+		this._stack(groups);
+
+		groups.forEach( function(group) {
+
+			var data = group.series
+				.filter( function(s) { return !s.disabled } )
+				.map( function(s) { return s.stack });
+
+			if (!data.length) return;
+			
+			var domain = null;
+			if (group.renderer && group.renderer.domain) {
+				domain = group.renderer.domain(data);
+			}
+			else {
+				domain = $super(data);
+			}
+			domains.push(domain);
+		});
+
+		var xMin = d3.min(domains.map( function(d) { return d.x[0] } ));
+		var xMax = d3.max(domains.map( function(d) { return d.x[1] } ));
+		var yMin = d3.min(domains.map( function(d) { return d.y[0] } ));
+		var yMax = d3.max(domains.map( function(d) { return d.y[1] } ));
+
+		return { x: [xMin, xMax], y: [yMin, yMax] };
+	},
+
+	_groups: function() {
+
+		var graph = this.graph;
+
+		var renderGroups = {};
+
+		graph.series.forEach( function(series) {
+
+			if (series.disabled) return;
+
+			if (!renderGroups[series.renderer]) {
+
+				var ns = "http://www.w3.org/2000/svg";
+				var vis = document.createElementNS(ns, 'g');
+
+				graph.vis[0][0].appendChild(vis);
+
+				var renderer = graph._renderers[series.renderer];
+
+				var config = {};
+
+				var defaults = [ this.defaults(), renderer.defaults(), this.config, this.graph ];
+				defaults.forEach(function(d) { Rickshaw.extend(config, d) });
+
+				renderer.configure(config);
+
+				renderGroups[series.renderer] = {
+					renderer: renderer,
+					series: [],
+					vis: d3.select(vis)
+				};
+			}
+				
+			renderGroups[series.renderer].series.push(series);
+
+		}, this);
+
+		var groups = [];
+
+		Object.keys(renderGroups).forEach( function(key) {
+			var group = renderGroups[key];
+			groups.push(group);
+		});
+
+		return groups;
+	},
+
+	_stack: function(groups) {
+
+		groups.forEach( function(group) {
+
+			var series = group.series
+				.filter( function(series) { return !series.disabled } );
+
+			var data = series
+				.map( function(series) { return series.stack } );
+
+			if (!group.renderer.unstack) {
+
+				var layout = d3.layout.stack();
+				var stackedData = Rickshaw.clone(layout(data));
+
+				series.forEach( function(series, index) {
+					series._stack = Rickshaw.clone(stackedData[index]);
+				});
+			}
+
+		}, this );
+
+		return groups;
+
+	},
+
+	render: function() {
+
+		this.graph.series.forEach( function(series) {
+			if (!series.renderer) {
+				throw new Error("Each series needs a renderer for graph 'multi' renderer");
+			}
+		});
+
+		this.graph.vis.selectAll('*').remove();
+
+		var groups = this._groups();
+		groups = this._stack(groups);
+
+		groups.forEach( function(group) {
+
+			var series = group.series
+				.filter( function(series) { return !series.disabled } );
+
+			series.active = function() { return series };
+
+			group.renderer.render({ series: series, vis: group.vis });
+			series.forEach(function(s) { s.stack = s._stack || s.stack || s.data; });
+		});
+	}
+
+} );
+Rickshaw.namespace('Rickshaw.Graph.Renderer.LinePlot');
+
+Rickshaw.Graph.Renderer.LinePlot = Rickshaw.Class.create( Rickshaw.Graph.Renderer, {
+
+	name: 'lineplot',
+
+	defaults: function($super) {
+
+		return Rickshaw.extend( $super(), {
+			unstack: true,
+			fill: false,
+			stroke: true,
+			padding:{ top: 0.01, right: 0.01, bottom: 0.01, left: 0.01 },
+			dotSize: 3,
+			strokeWidth: 2
+		} );
+	},
+
+	seriesPathFactory: function() {
+
+		var graph = this.graph;
+
+		var factory = d3.svg.line()
+			.x( function(d) { return graph.x(d.x) } )
+			.y( function(d) { return graph.y(d.y) } )
+			.interpolate(this.graph.interpolation).tension(this.tension);
+
+		factory.defined && factory.defined( function(d) { return d.y !== null } );
+		return factory;
+	},
+
+	render: function(args) {
+
+		args = args || {};
+
+		var graph = this.graph;
+
+		var series = args.series || graph.series;
+		var vis = args.vis || graph.vis;
+
+		var dotSize = this.dotSize;
+
+		vis.selectAll('*').remove();
+
+		var data = series
+			.filter(function(s) { return !s.disabled })
+			.map(function(s) { return s.stack });
+
+		var nodes = vis.selectAll("path")
+			.data(data)
+			.enter().append("svg:path")
+			.attr("d", this.seriesPathFactory());
+
+		var i = 0;
+		series.forEach(function(series) {
+			if (series.disabled) return;
+			series.path = nodes[0][i++];
+			this._styleSeries(series);
+		}, this);
+
+		series.forEach(function(series) {
+
+			if (series.disabled) return;
+
+			var nodes = vis.selectAll("x")
+				.data(series.stack.filter( function(d) { return d.y !== null } ))
+				.enter().append("svg:circle")
+				.attr("cx", function(d) { return graph.x(d.x) })
+				.attr("cy", function(d) { return graph.y(d.y) })
+				.attr("r", function(d) { return ("r" in d) ? d.r : dotSize});
+
+			Array.prototype.forEach.call(nodes[0], function(n) {
+				if (!n) return;
+				n.setAttribute('data-color', series.color);
+				n.setAttribute('fill', 'white');
+				n.setAttribute('stroke', series.color);
+				n.setAttribute('stroke-width', this.strokeWidth);
+
+			}.bind(this));
+
+		}, this);
+	}
+} );
+
+Rickshaw.namespace('Rickshaw.Graph.Smoother');
+
+Rickshaw.Graph.Smoother = Rickshaw.Class.create({
+
+	initialize: function(args) {
+
+		this.graph = args.graph;
+		this.element = args.element;
+		this.aggregationScale = 1;
+
+		this.build();
+
+		this.graph.stackData.hooks.data.push( {
+			name: 'smoother',
+			orderPosition: 50,
+			f: this.transformer.bind(this)
+		} );
+	},
+
+	build: function() {
+
+		var self = this;
+		var $ = jQuery;
+
+		if (this.element) {
+			$( function() {
+				$(self.element).slider( {
+					min: 1,
+					max: 100,
+					slide: function( event, ui ) {
+						self.setScale(ui.value);
+					}
+				} );
+			} );
+		}
+	},
+
+	setScale: function(scale) {
+
+		if (scale < 1) {
+			throw "scale out of range: " + scale;
+		}
+
+		this.aggregationScale = scale;
+		this.graph.update();
+	},
+
+	transformer: function(data) {
+
+		if (this.aggregationScale == 1) return data;
+
+		var aggregatedData = [];
+
+		data.forEach( function(seriesData) {
+
+			var aggregatedSeriesData = [];
+
+			while (seriesData.length) {
+
+				var avgX = 0, avgY = 0;
+				var slice = seriesData.splice(0, this.aggregationScale);
+
+				slice.forEach( function(d) {
+					avgX += d.x / slice.length;
+					avgY += d.y / slice.length;
+				} );
+
+				aggregatedSeriesData.push( { x: avgX, y: avgY } );
+			}
+
+			aggregatedData.push(aggregatedSeriesData);
+
+		}.bind(this) );
+
+		return aggregatedData;
+	}
+});
+
+Rickshaw.namespace('Rickshaw.Graph.Socketio');
+
+Rickshaw.Graph.Socketio = Rickshaw.Class.create( Rickshaw.Graph.Ajax, {
+	request: function() {
+		var socket = io.connect(this.dataURL);
+		var self = this;
+		socket.on('rickshaw', function (data) {
+			self.success(data);
+		});
+	}
+} );
+Rickshaw.namespace('Rickshaw.Series');
+
+Rickshaw.Series = Rickshaw.Class.create( Array, {
+
+	initialize: function (data, palette, options) {
+
+		options = options || {};
+
+		this.palette = new Rickshaw.Color.Palette(palette);
+
+		this.timeBase = typeof(options.timeBase) === 'undefined' ? 
+			Math.floor(new Date().getTime() / 1000) : 
+			options.timeBase;
+
+		var timeInterval = typeof(options.timeInterval) == 'undefined' ?
+			1000 :
+			options.timeInterval;
+
+		this.setTimeInterval(timeInterval);
+
+		if (data && (typeof(data) == "object") && Array.isArray(data)) {
+			data.forEach( function(item) { this.addItem(item) }, this );
+		}
+	},
+
+	addItem: function(item) {
+
+		if (typeof(item.name) === 'undefined') {
+			throw('addItem() needs a name');
+		}
+
+		item.color = (item.color || this.palette.color(item.name));
+		item.data = (item.data || []);
+
+		// backfill, if necessary
+		if ((item.data.length === 0) && this.length && (this.getIndex() > 0)) {
+			this[0].data.forEach( function(plot) {
+				item.data.push({ x: plot.x, y: 0 });
+			} );
+		} else if (item.data.length === 0) {
+			item.data.push({ x: this.timeBase - (this.timeInterval || 0), y: 0 });
+		} 
+
+		this.push(item);
+
+		if (this.legend) {
+			this.legend.addLine(this.itemByName(item.name));
+		}
+	},
+
+	addData: function(data, x) {
+
+		var index = this.getIndex();
+
+		Rickshaw.keys(data).forEach( function(name) {
+			if (! this.itemByName(name)) {
+				this.addItem({ name: name });
+			}
+		}, this );
+
+		this.forEach( function(item) {
+			item.data.push({ 
+				x: x || (index * this.timeInterval || 1) + this.timeBase, 
+				y: (data[item.name] || 0) 
+			});
+		}, this );
+	},
+
+	getIndex: function () {
+		return (this[0] && this[0].data && this[0].data.length) ? this[0].data.length : 0;
+	},
+
+	itemByName: function(name) {
+
+		for (var i = 0; i < this.length; i++) {
+			if (this[i].name == name)
+				return this[i];
+		}
+	},
+
+	setTimeInterval: function(iv) {
+		this.timeInterval = iv / 1000;
+	},
+
+	setTimeBase: function (t) {
+		this.timeBase = t;
+	},
+
+	dump: function() {
+
+		var data = {
+			timeBase: this.timeBase,
+			timeInterval: this.timeInterval,
+			items: []
+		};
+
+		this.forEach( function(item) {
+
+			var newItem = {
+				color: item.color,
+				name: item.name,
+				data: []
+			};
+
+			item.data.forEach( function(plot) {
+				newItem.data.push({ x: plot.x, y: plot.y });
+			} );
+
+			data.items.push(newItem);
+		} );
+
+		return data;
+	},
+
+	load: function(data) {
+
+		if (data.timeInterval) {
+			this.timeInterval = data.timeInterval;
+		}
+
+		if (data.timeBase) {
+			this.timeBase = data.timeBase;
+		}
+
+		if (data.items) {
+			data.items.forEach( function(item) {
+				this.push(item);
+				if (this.legend) {
+					this.legend.addLine(this.itemByName(item.name));
+				}
+
+			}, this );
+		}
+	}
+} );
+
+Rickshaw.Series.zeroFill = function(series) {
+	Rickshaw.Series.fill(series, 0);
+};
+
+Rickshaw.Series.fill = function(series, fill) {
+
+	var x;
+	var i = 0;
+
+	var data = series.map( function(s) { return s.data } );
+
+	while ( i < Math.max.apply(null, data.map( function(d) { return d.length } )) ) {
+
+		x = Math.min.apply( null, 
+			data
+				.filter(function(d) { return d[i] })
+				.map(function(d) { return d[i].x })
+		);
+
+		data.forEach( function(d) {
+			if (!d[i] || d[i].x != x) {
+				d.splice(i, 0, { x: x, y: fill });
+			}
+		} );
+
+		i++;
+	}
+};
+
+Rickshaw.namespace('Rickshaw.Series.FixedDuration');
+
+Rickshaw.Series.FixedDuration = Rickshaw.Class.create(Rickshaw.Series, {
+
+	initialize: function (data, palette, options) {
+
+		options = options || {};
+
+		if (typeof(options.timeInterval) === 'undefined') {
+			throw new Error('FixedDuration series requires timeInterval');
+		}
+
+		if (typeof(options.maxDataPoints) === 'undefined') {
+			throw new Error('FixedDuration series requires maxDataPoints');
+		}
+
+		this.palette = new Rickshaw.Color.Palette(palette);
+		this.timeBase = typeof(options.timeBase) === 'undefined' ? Math.floor(new Date().getTime() / 1000) : options.timeBase;
+		this.setTimeInterval(options.timeInterval);
+
+		if (this[0] && this[0].data && this[0].data.length) {
+			this.currentSize = this[0].data.length;
+			this.currentIndex = this[0].data.length;
+		} else {
+			this.currentSize  = 0;
+			this.currentIndex = 0;
+		}
+
+		this.maxDataPoints = options.maxDataPoints;
+
+
+		if (data && (typeof(data) == "object") && Array.isArray(data)) {
+			data.forEach( function (item) { this.addItem(item) }, this );
+			this.currentSize  += 1;
+			this.currentIndex += 1;
+		}
+
+		// reset timeBase for zero-filled values if needed
+		this.timeBase -= (this.maxDataPoints - this.currentSize) * this.timeInterval;
+
+		// zero-fill up to maxDataPoints size if we don't have that much data yet
+		if ((typeof(this.maxDataPoints) !== 'undefined') && (this.currentSize < this.maxDataPoints)) {
+			for (var i = this.maxDataPoints - this.currentSize - 1; i > 1; i--) {
+				this.currentSize  += 1;
+				this.currentIndex += 1;
+				this.forEach( function (item) {
+					item.data.unshift({ x: ((i-1) * this.timeInterval || 1) + this.timeBase, y: 0, i: i });
+				}, this );
+			}
+		}
+	},
+
+	addData: function($super, data, x) {
+
+		$super(data, x);
+
+		this.currentSize += 1;
+		this.currentIndex += 1;
+
+		if (this.maxDataPoints !== undefined) {
+			while (this.currentSize > this.maxDataPoints) {
+				this.dropData();
+			}
+		}
+	},
+
+	dropData: function() {
+
+		this.forEach(function(item) {
+			item.data.splice(0, 1);
+		} );
+
+		this.currentSize -= 1;
+	},
+
+	getIndex: function () {
+		return this.currentIndex;
+	}
+} );
+
+	return Rickshaw;
+}));