diff --git a/controllers/admin/AdminDashboardController.php b/controllers/admin/AdminDashboardController.php
index 4a20d7c1d90eb..efa730c7097dc 100644
--- a/controllers/admin/AdminDashboardController.php
+++ b/controllers/admin/AdminDashboardController.php
@@ -43,7 +43,7 @@ public function setMedia()
 
 		$this->addJqueryUI('ui.datepicker');
 		$this->addJS(array(
-			_PS_JS_DIR_.'vendor/d3.js',
+			_PS_JS_DIR_.'vendor/d3.v3.min.js',
 			__PS_BASE_URI__.$this->admin_webpath.'/themes/'.$this->bo_theme.'/js/vendor/nv.d3.min.js',
 			_PS_JS_DIR_.'/admin-dashboard.js',
 		));
diff --git a/controllers/admin/AdminOrdersController.php b/controllers/admin/AdminOrdersController.php
index c5f9d1138dafc..33493c42ed22a 100755
--- a/controllers/admin/AdminOrdersController.php
+++ b/controllers/admin/AdminOrdersController.php
@@ -278,7 +278,7 @@ public function setMedia()
 
 		$this->addJqueryUI('ui.datepicker');
 		$this->addJqueryPlugin('autosize');
-		$this->addJS(_PS_JS_DIR_.'vendor/d3.js');
+		$this->addJS(_PS_JS_DIR_.'vendor/d3.v3.min.js');
 		if ($this->tabAccess['edit'] == 1 && $this->display == 'view')
 		{
 			$this->addJS(_PS_JS_DIR_.'admin_order.js');
diff --git a/js/vendor/d3.js b/js/vendor/d3.js
deleted file mode 100755
index 96bc07a5f8c90..0000000000000
--- a/js/vendor/d3.js
+++ /dev/null
@@ -1,8972 +0,0 @@
-d3 = function() {
-  var d3 = {
-    version: "3.3.2"
-  };
-  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 = function(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;
-  };
-  d3.bisector = function(f) {
-    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 (f.call(a, a[mid], mid) < x) 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 (x < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1;
-        }
-        return lo;
-      }
-    };
-  };
-  var d3_bisector = d3.bisector(function(d) {
-    return d;
-  });
-  d3.bisectLeft = d3_bisector.left;
-  d3.bisect = d3.bisectRight = d3_bisector.right;
-  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) {
-    return Array.prototype.concat.apply([], arrays);
-  };
-  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(Math.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: function(key) {
-      return d3_map_prefix + key in this;
-    },
-    get: function(key) {
-      return this[d3_map_prefix + key];
-    },
-    set: function(key, value) {
-      return this[d3_map_prefix + key] = value;
-    },
-    remove: function(key) {
-      key = d3_map_prefix + key;
-      return key in this && delete this[key];
-    },
-    keys: function() {
-      var keys = [];
-      this.forEach(function(key) {
-        keys.push(key);
-      });
-      return 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;
-    },
-    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 = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
-  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: function(value) {
-      return d3_map_prefix + value in this;
-    },
-    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: function() {
-      var values = [];
-      this.forEach(function(value) {
-        values.push(value);
-      });
-      return values;
-    },
-    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 = function(s, n) {
-      return Sizzle.uniqueSort(Sizzle(s, n));
-    };
-    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 = name.trim().split(/^|\s+/g)).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_classed(name, value) {
-    name = name.trim().split(/\s+/).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 d3_document.createElementNS(name.space, name.local);
-    } : function() {
-      return d3_document.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));
-    });
-  };
-  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)) {
-          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 = d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0;
-  function d3_event_dragSuppress() {
-    var name = ".dragsuppress-" + ++d3_event_dragId, touchmove = "touchmove" + name, selectstart = "selectstart" + name, dragstart = "dragstart" + name, click = "click" + name, w = d3.select(d3_window).on(touchmove, d3_eventPreventDefault).on(selectstart, d3_eventPreventDefault).on(dragstart, d3_eventPreventDefault), style = d3_documentElement.style, select = style[d3_event_dragSelect];
-    style[d3_event_dragSelect] = "none";
-    return function(suppressClick) {
-      w.on(name, null);
-      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());
-  };
-  var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
-  function d3_mousePoint(container, e) {
-    var svg = container.ownerSVGElement || container;
-    if (svg.createSVGPoint) {
-      var point = svg.createSVGPoint();
-      if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
-        svg = d3.select("body").append("svg").style({
-          position: "absolute",
-          top: 0,
-          left: 0,
-          margin: 0,
-          padding: 0,
-          border: "none"
-        }, "important");
-        var ctm = svg[0][0].getScreenCTM();
-        d3_mouse_bug44083 = !(ctm.f || ctm.e);
-        svg.remove();
-      }
-      if (d3_mouse_bug44083) {
-        point.x = e.pageX;
-        point.y = e.pageY;
-      } else {
-        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, "mousemove", "mouseup"), touchstart = dragstart(touchid, touchposition, "touchmove", "touchend");
-    function drag() {
-      this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
-    }
-    function touchid() {
-      return d3.event.changedTouches[0].identifier;
-    }
-    function touchposition(parent, id) {
-      return d3.touches(parent).filter(function(p) {
-        return p.identifier === id;
-      })[0];
-    }
-    function dragstart(id, position, move, end) {
-      return function() {
-        var target = this, parent = target.parentNode, event_ = event.of(target, arguments), eventTarget = d3.event.target, eventId = id(), drag = eventId == null ? "drag" : "drag-" + eventId, origin_ = position(parent, eventId), dragged = 0, offset, w = d3.select(d3_window).on(move + "." + drag, moved).on(end + "." + drag, ended), dragRestore = d3_event_dragSuppress();
-        if (origin) {
-          offset = origin.apply(target, arguments);
-          offset = [ offset.x - origin_[0], offset.y - origin_[1] ];
-        } else {
-          offset = [ 0, 0 ];
-        }
-        event_({
-          type: "dragstart"
-        });
-        function moved() {
-          if (!parent) return ended();
-          var p = position(parent, eventId), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
-          dragged |= dx | dy;
-          origin_ = p;
-          event_({
-            type: "drag",
-            x: p[0] + offset[0],
-            y: p[1] + offset[1],
-            dx: dx,
-            dy: dy
-          });
-        }
-        function ended() {
-          w.on(move + "." + drag, null).on(end + "." + drag, null);
-          dragRestore(dragged && d3.event.target === eventTarget);
-          event_({
-            type: "dragend"
-          });
-        }
-      };
-    }
-    drag.origin = function(x) {
-      if (!arguments.length) return origin;
-      origin = x;
-      return drag;
-    };
-    return d3.rebind(drag, event, "on");
-  };
-  var π = Math.PI, 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_acos(x) {
-    return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
-  }
-  function d3_asin(x) {
-    return x > 1 ? π / 2 : x < -1 ? -π / 2 : Math.asin(x);
-  }
-  function d3_sinh(x) {
-    return (Math.exp(x) - Math.exp(-x)) / 2;
-  }
-  function d3_cosh(x) {
-    return (Math.exp(x) + Math.exp(-x)) / 2;
-  }
-  function d3_tanh(x) {
-    return d3_sinh(x) / d3_cosh(x);
-  }
-  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", touchmove = "touchmove.zoom", touchend = "touchend.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 event_ = 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(event_);
-          }).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(event_);
-            };
-          }).each("end.zoom", function() {
-            zoomended(event_);
-          });
-        } else {
-          this.__chart__ = view;
-          zoomstarted(event_);
-          zoomed(event_);
-          zoomended(event_);
-        }
-      });
-    };
-    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(event) {
-      event({
-        type: "zoomstart"
-      });
-    }
-    function zoomed(event) {
-      rescale();
-      event({
-        type: "zoom",
-        scale: view.k,
-        translate: [ view.x, view.y ]
-      });
-    }
-    function zoomended(event) {
-      event({
-        type: "zoomend"
-      });
-    }
-    function mousedowned() {
-      var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, dragged = 0, w = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), l = location(d3.mouse(target)), dragRestore = d3_event_dragSuppress();
-      d3_selection_interrupt.call(target);
-      zoomstarted(event_);
-      function moved() {
-        dragged = 1;
-        translateTo(d3.mouse(target), l);
-        zoomed(event_);
-      }
-      function ended() {
-        w.on(mousemove, d3_window === target ? mousewheelreset : null).on(mouseup, null);
-        dragRestore(dragged && d3.event.target === eventTarget);
-        zoomended(event_);
-      }
-    }
-    function touchstarted() {
-      var target = this, event_ = event.of(target, arguments), locations0, distance0 = 0, scale0, w = d3.select(d3_window).on(touchmove, moved).on(touchend, ended), t = d3.select(target).on(mousedown, null).on(touchstart, started), dragRestore = d3_event_dragSuppress();
-      d3_selection_interrupt.call(target);
-      started();
-      zoomstarted(event_);
-      function relocate() {
-        var touches = d3.touches(target);
-        scale0 = view.k;
-        locations0 = {};
-        touches.forEach(function(t) {
-          locations0[t.identifier] = location(t);
-        });
-        return touches;
-      }
-      function started() {
-        var now = Date.now(), touches = relocate();
-        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(event_);
-          }
-          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(target), p0 = touches[0], l0 = locations0[p0.identifier];
-        if (p1 = touches[1]) {
-          var p1, l1 = locations0[p1.identifier], scale1 = d3.event.scale;
-          if (scale1 == null) {
-            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(event_);
-      }
-      function ended() {
-        if (d3.event.touches.length) {
-          relocate();
-        } else {
-          w.on(touchmove, null).on(touchend, null);
-          t.on(mousedown, mousedowned).on(touchstart, touchstarted);
-          dragRestore();
-          zoomended(event_);
-        }
-      }
-    }
-    function mousewheeled() {
-      var event_ = event.of(this, arguments);
-      if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
-      zoomstarted(event_);
-      mousewheelTimer = setTimeout(function() {
-        mousewheelTimer = null;
-        zoomended(event_);
-      }, 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(event_);
-    }
-    function mousewheelreset() {
-      translate0 = null;
-    }
-    function dblclicked() {
-      var event_ = event.of(this, arguments), p = d3.mouse(this), l = location(p), k = Math.log(view.k) / Math.LN2;
-      zoomstarted(event_);
-      scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
-      translateTo(p, l);
-      zoomed(event_);
-      zoomended(event_);
-    }
-    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, name;
-    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 (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
-    if (format != null && format.charAt(0) === "#") {
-      if (format.length === 4) {
-        r = format.charAt(1);
-        r += r;
-        g = format.charAt(2);
-        g += g;
-        b = format.charAt(3);
-        b += b;
-      } else if (format.length === 7) {
-        r = format.substring(1, 3);
-        g = format.substring(3, 5);
-        b = format.substring(5, 7);
-      }
-      r = parseInt(r, 16);
-      g = parseInt(g, 16);
-      b = parseInt(b, 16);
-    }
-    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, callback);
-      xhr.row = function(_) {
-        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
-      };
-      return xhr.row(row);
-    }
-    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");
-  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 = {
-      callback: callback,
-      time: time,
-      next: null
-    };
-    if (d3_timer_queueTail) d3_timer_queueTail.next = 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_replace(callback, delay, then) {
-    var n = arguments.length;
-    if (n < 2) delay = 0;
-    if (n < 3) then = Date.now();
-    d3_timer_active.callback = callback;
-    d3_timer_active.time = then + delay;
-  }
-  function d3_timer_mark() {
-    var now = Date.now();
-    d3_timer_active = d3_timer_queueHead;
-    while (d3_timer_active) {
-      if (now >= d3_timer_active.time) d3_timer_active.flush = d3_timer_active.callback(now - d3_timer_active.time);
-      d3_timer_active = d3_timer_active.next;
-    }
-    return now;
-  }
-  function d3_timer_sweep() {
-    var t0, t1 = d3_timer_queueHead, time = Infinity;
-    while (t1) {
-      if (t1.flush) {
-        t1 = t0 ? t0.next = t1.next : d3_timer_queueHead = t1.next;
-      } else {
-        if (t1.time < time) time = t1.time;
-        t1 = (t0 = t1).next;
-      }
-    }
-    d3_timer_queueTail = t0;
-    return time;
-  }
-  var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ], d3_format_currencySymbol = "$";
-  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 <= 0 ? i + 1 : i - 1) / 3) * 3));
-    }
-    return d3_formatPrefixes[8 + i / 3];
-  };
-  function d3_formatPrefix(d, i) {
-    var k = Math.pow(10, Math.abs(8 - i) * 3);
-    return {
-      scale: i > 8 ? function(d) {
-        return d / k;
-      } : function(d) {
-        return d * k;
-      },
-      symbol: d
-    };
-  }
-  d3.round = function(x, n) {
-    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
-  };
-  d3.format = 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, 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 === "#") symbol = "0" + type.toLowerCase();
-
-     case "c":
-     case "d":
-      integer = true;
-      precision = 0;
-      break;
-
-     case "s":
-      scale = -1;
-      type = "r";
-      break;
-    }
-    if (symbol === "#") symbol = ""; else if (symbol === "$") symbol = d3_format_currencySymbol;
-    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) {
-      if (integer && value % 1) return "";
-      var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign;
-      if (scale < 0) {
-        var prefix = d3.formatPrefix(value, precision);
-        value = prefix.scale(value);
-        suffix = prefix.symbol;
-      } else {
-        value *= scale;
-      }
-      value = type(value, precision);
-      var i = value.lastIndexOf("."), before = i < 0 ? value : value.substring(0, i), after = i < 0 ? "" : d3_format_decimalPoint + value.substring(i + 1);
-      if (!zfill && comma) before = d3_format_group(before);
-      var length = symbol.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
-      if (zcomma) before = d3_format_group(padding + before);
-      negative += symbol;
-      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)) + suffix;
-    };
-  };
-  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_precision(x, p) {
-    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
-  }
-  function d3_format_typeDefault(x) {
-    return x + "";
-  }
-  var d3_format_group = d3_identity;
-  if (d3_format_grouping) {
-    var d3_format_groupingLength = d3_format_grouping.length;
-    d3_format_group = function(value) {
-      var i = value.length, t = [], j = 0, g = d3_format_grouping[0];
-      while (i > 0 && g > 0) {
-        t.push(value.substring(i -= g, i + g));
-        g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength];
-      }
-      return t.reverse().join(d3_format_thousandsSeparator);
-    };
-  }
-  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, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(dλ), v = k * Math.sin(dλ);
-      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 Math.abs(a[0] - b[0]) < ε && Math.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 = Math.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 += Math.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 (Math.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, inside, 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 = {
-        point: p0,
-        points: segment,
-        other: null,
-        visited: false,
-        entry: true,
-        subject: true
-      }, b = {
-        point: p0,
-        points: [ p0 ],
-        other: a,
-        visited: false,
-        entry: false,
-        subject: false
-      };
-      a.other = b;
-      subject.push(a);
-      clip.push(b);
-      a = {
-        point: p1,
-        points: [ p1 ],
-        other: null,
-        visited: false,
-        entry: false,
-        subject: true
-      };
-      b = {
-        point: p1,
-        points: [ p1 ],
-        other: a,
-        visited: false,
-        entry: true,
-        subject: false
-      };
-      a.other = b;
-      subject.push(a);
-      clip.push(b);
-    });
-    clip.sort(compare);
-    d3_geo_clipPolygonLinkCircular(subject);
-    d3_geo_clipPolygonLinkCircular(clip);
-    if (!subject.length) return;
-    if (inside) for (var i = 1, e = !inside(clip[0].point), n = clip.length; i < n; ++i) {
-      clip[i].entry = e = !e;
-    }
-    var start = subject[0], current, points, point;
-    while (1) {
-      current = start;
-      while (current.visited) if ((current = current.next) === start) return;
-      points = current.points;
-      listener.lineStart();
-      do {
-        current.visited = current.other.visited = true;
-        if (current.entry) {
-          if (current.subject) {
-            for (var i = 0; i < points.length; i++) listener.point((point = points[i])[0], point[1]);
-          } else {
-            interpolate(current.point, current.next.point, 1, listener);
-          }
-          current = current.next;
-        } else {
-          if (current.subject) {
-            points = current.prev.points;
-            for (var i = points.length; --i >= 0; ) listener.point((point = points[i])[0], point[1]);
-          } else {
-            interpolate(current.point, current.prev.point, -1, listener);
-          }
-          current = current.prev;
-        }
-        current = current.other;
-        points = current.points;
-      } while (!current.visited);
-      listener.lineEnd();
-    }
-  }
-  function d3_geo_clipPolygonLinkCircular(array) {
-    if (!(n = array.length)) return;
-    var n, i = 0, a = array[0], b;
-    while (++i < n) {
-      a.next = b = array[i];
-      b.prev = a;
-      a = b;
-    }
-    a.next = b = array[0];
-    b.prev = a;
-  }
-  function d3_geo_clip(pointVisible, clipLine, interpolate, polygonContains) {
-    return function(listener) {
-      var line = clipLine(listener);
-      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);
-          if (segments.length) {
-            d3_geo_clipPolygon(segments, d3_geo_clipSort, null, interpolate, listener);
-          } else if (polygonContains(polygon)) {
-            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) {
-        if (pointVisible(λ, φ)) listener.point(λ, φ);
-      }
-      function pointLine(λ, φ) {
-        line.point(λ, φ);
-      }
-      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) {
-        ringListener.point(λ, φ);
-        ring.push([ λ, φ ]);
-      }
-      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.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - 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, polar = false, southPole = false, 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, antimeridian = Math.abs(dλ) > π, k = sinφ0 * sinφ;
-        d3_geo_areaRingSum.add(Math.atan2(k * Math.sin(dλ), cosφ0 * cosφ + k * Math.cos(dλ)));
-        if (Math.abs(φ) < ε) southPole = true;
-        polarAngle += antimeridian ? dλ + (dλ >= 0 ? 2 : -2) * π : 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) {
-            winding += antimeridian ^ dλ >= 0 ? 1 : -1;
-          }
-        }
-        if (!j++) break;
-        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
-      }
-      if (Math.abs(polarAngle) > ε) polar = true;
-    }
-    return (!southPole && !polar && d3_geo_areaRingSum < 0 || polarAngle < -ε) ^ winding & 1;
-  }
-  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, d3_geo_clipAntimeridianPolygonContains);
-  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 = Math.abs(λ1 - λ0);
-        if (Math.abs(dλ - π) < ε) {
-          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2);
-          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 (Math.abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
-          if (Math.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 Math.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 * π / 2;
-      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 (Math.abs(from[0] - to[0]) > ε) {
-      var s = (from[0] < to[0] ? 1 : -1) * π;
-      φ = direction * s / 2;
-      listener.point(-s, φ);
-      listener.point(0, φ);
-      listener.point(s, φ);
-    } else {
-      listener.point(to[0], to[1]);
-    }
-  }
-  var d3_geo_clipAntimeridianPoint = [ -π, 0 ];
-  function d3_geo_clipAntimeridianPolygonContains(polygon) {
-    return d3_geo_pointInPolygon(d3_geo_clipAntimeridianPoint, polygon);
-  }
-  function d3_geo_clipCircle(radius) {
-    var cr = Math.cos(radius), smallRadius = cr > 0, point = [ radius, 0 ], notHemisphere = Math.abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
-    return d3_geo_clip(visible, clipLine, interpolate, polygonContains);
-    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 = Math.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] < (Math.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 polygonContains(polygon) {
-      return d3_geo_pointInPolygon(point, polygon);
-    }
-  }
-  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(), segments, polygon, ring;
-      var clip = {
-        point: point,
-        lineStart: lineStart,
-        lineEnd: lineEnd,
-        polygonStart: function() {
-          listener = bufferListener;
-          segments = [];
-          polygon = [];
-        },
-        polygonEnd: function() {
-          listener = listener_;
-          if ((segments = d3.merge(segments)).length) {
-            listener.polygonStart();
-            d3_geo_clipPolygon(segments, compare, inside, interpolate, listener);
-            listener.polygonEnd();
-          } else if (insidePolygon([ x0, y0 ])) {
-            listener.polygonStart(), listener.lineStart();
-            interpolate(null, null, 1, listener);
-            listener.lineEnd(), listener.polygonEnd();
-          }
-          segments = polygon = ring = null;
-        }
-      };
-      function inside(point) {
-        var a = corner(point, -1), i = insidePolygon([ a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0 ]);
-        return i;
-      }
-      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 && isLeft(a, b, p) > 0) ++wn;
-            } else {
-              if (b[1] <= y && isLeft(a, b, p) < 0) --wn;
-            }
-            a = b;
-          }
-        }
-        return wn !== 0;
-      }
-      function isLeft(a, b, c) {
-        return (b[0] - a[0]) * (c[1] - a[1]) - (c[0] - a[0]) * (b[1] - a[1]);
-      }
-      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 visible(x, y) {
-        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
-      }
-      function point(x, y) {
-        if (visible(x, y)) listener.point(x, y);
-      }
-      var x__, y__, v__, x_, y_, v_, first;
-      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 = visible(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 a = [ x_, y_ ], b = [ x, y ];
-            if (clipLine(a, b)) {
-              if (!v_) {
-                listener.lineStart();
-                listener.point(a[0], a[1]);
-              }
-              listener.point(b[0], b[1]);
-              if (!v) listener.lineEnd();
-            } else if (v) {
-              listener.lineStart();
-              listener.point(x, y);
-            }
-          }
-        }
-        x_ = x, y_ = y, v_ = v;
-      }
-      return clip;
-    };
-    function corner(p, direction) {
-      return Math.abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : Math.abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : Math.abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
-    }
-    function compare(a, b) {
-      return comparePoints(a.point, b.point);
-    }
-    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 clipLine(a, b) {
-      var dx = b[0] - a[0], dy = b[1] - a[1], t = [ 0, 1 ];
-      if (Math.abs(dx) < ε && Math.abs(dy) < ε) return x0 <= a[0] && a[0] <= x1 && y0 <= a[1] && a[1] <= y1;
-      if (d3_geo_clipExtentT(x0 - a[0], dx, t) && d3_geo_clipExtentT(a[0] - x1, -dx, t) && d3_geo_clipExtentT(y0 - a[1], dy, t) && d3_geo_clipExtentT(a[1] - y1, -dy, t)) {
-        if (t[1] < 1) {
-          b[0] = a[0] + t[1] * dx;
-          b[1] = a[1] + t[1] * dy;
-        }
-        if (t[0] > 0) {
-          a[0] += t[0] * dx;
-          a[1] += t[0] * dy;
-        }
-        return true;
-      }
-      return false;
-    }
-  }
-  function d3_geo_clipExtentT(num, denominator, t) {
-    if (Math.abs(denominator) < ε) return num <= 0;
-    var u = num / denominator;
-    if (denominator > 0) {
-      if (u > t[1]) return false;
-      if (u > t[0]) t[0] = u;
-    } else {
-      if (u < t[0]) return false;
-      if (u < t[1]) t[1] = u;
-    }
-    return true;
-  }
-  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 += Math.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, 2 * π);
-    }
-    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) {
-      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 = Math.abs(Math.abs(c) - 1) < 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 || Math.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.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();
-    }
-  };
-  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) {
-      var transform = new d3_geo_transform(stream = resample(stream));
-      transform.point = function(x, y) {
-        stream.point(x * d3_radians, y * d3_radians);
-      };
-      return transform;
-    };
-  }
-  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_projectionRadiansRotate(rotate, preclip(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_projectionRadiansRotate(rotate, stream) {
-    var transform = new d3_geo_transform(stream);
-    transform.point = function(x, y) {
-      y = rotate(x * d3_radians, y * d3_radians), x = y[0];
-      stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]);
-    };
-    return transform;
-  }
-  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_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_equirectangular;
-  }
-  function d3_geo_forwardRotationλ(δλ) {
-    return function(λ, φ) {
-      return λ += δλ, [ λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : 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 * 2 * π;
-      } else {
-        from = radius + direction * 2 * π;
-        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 Math.abs(x % DX) > ε;
-      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
-        return Math.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 = Math.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) {
-      var ρ = Math.abs(Math.abs(φ) - π / 2) < ε ? 0 : 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)) - π / 2 ];
-    };
-    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 (Math.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)) - π / 2 ];
-  };
-  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) {
-    var B = Math.cos(φ) * Math.sin(λ);
-    return [ Math.log((1 + B) / (1 - B)) / 2, Math.atan2(Math.tan(φ), Math.cos(λ)) ];
-  }
-  d3_geo_transverseMercator.invert = function(x, y) {
-    return [ Math.atan2(d3_sinh(x), Math.cos(y)), d3_asin(Math.sin(y) / d3_cosh(x)) ];
-  };
-  (d3.geo.transverseMercator = function() {
-    return d3_geo_mercatorProjection(d3_geo_transverseMercator);
-  }).raw = d3_geo_transverseMercator;
-  d3.geom = {};
-  d3.svg = {};
-  function d3_svg_line(projection) {
-    var x = d3_svg_lineX, y = d3_svg_lineY, 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);
-  };
-  function d3_svg_lineX(d) {
-    return d[0];
-  }
-  function d3_svg_lineY(d) {
-    return d[1];
-  }
-  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 (Math.abs(d) < 1e-6) {
-        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.geom.hull = function(vertices) {
-    var x = d3_svg_lineX, y = d3_svg_lineY;
-    if (arguments.length) return hull(vertices);
-    function hull(data) {
-      if (data.length < 3) return [];
-      var fx = d3_functor(x), fy = d3_functor(y), n = data.length, vertices, plen = n - 1, points = [], stack = [], d, i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
-      if (fx === d3_svg_lineX && y === d3_svg_lineY) vertices = data; else for (i = 0, 
-      vertices = []; i < n; ++i) {
-        vertices.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
-      }
-      for (i = 1; i < n; ++i) {
-        if (vertices[i][1] < vertices[h][1] || vertices[i][1] == vertices[h][1] && vertices[i][0] < vertices[h][0]) h = i;
-      }
-      for (i = 0; i < n; ++i) {
-        if (i === h) continue;
-        y1 = vertices[i][1] - vertices[h][1];
-        x1 = vertices[i][0] - vertices[h][0];
-        points.push({
-          angle: Math.atan2(y1, x1),
-          index: i
-        });
-      }
-      points.sort(function(a, b) {
-        return a.angle - b.angle;
-      });
-      a = points[0].angle;
-      v = points[0].index;
-      u = 0;
-      for (i = 1; i < plen; ++i) {
-        j = points[i].index;
-        if (a == points[i].angle) {
-          x1 = vertices[v][0] - vertices[h][0];
-          y1 = vertices[v][1] - vertices[h][1];
-          x2 = vertices[j][0] - vertices[h][0];
-          y2 = vertices[j][1] - vertices[h][1];
-          if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
-            points[i].index = -1;
-            continue;
-          } else {
-            points[u].index = -1;
-          }
-        }
-        a = points[i].angle;
-        u = i;
-        v = j;
-      }
-      stack.push(h);
-      for (i = 0, j = 0; i < 2; ++j) {
-        if (points[j].index > -1) {
-          stack.push(points[j].index);
-          i++;
-        }
-      }
-      sp = stack.length;
-      for (;j < plen; ++j) {
-        if (points[j].index < 0) continue;
-        while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
-          --sp;
-        }
-        stack[sp++] = points[j].index;
-      }
-      var poly = [];
-      for (i = sp - 1; i >= 0; --i) poly.push(data[stack[i]]);
-      return poly;
-    }
-    hull.x = function(_) {
-      return arguments.length ? (x = _, hull) : x;
-    };
-    hull.y = function(_) {
-      return arguments.length ? (y = _, hull) : y;
-    };
-    return hull;
-  };
-  function d3_geom_hullCCW(i1, i2, i3, v) {
-    var t, a, b, c, d, e, f;
-    t = v[i1];
-    a = t[0];
-    b = t[1];
-    t = v[i2];
-    c = t[0];
-    d = t[1];
-    t = v[i3];
-    e = t[0];
-    f = t[1];
-    return (f - b) * (c - a) - (d - b) * (e - a) > 0;
-  }
-  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]);
-  }
-  d3.geom.delaunay = function(vertices) {
-    var edges = vertices.map(function() {
-      return [];
-    }), triangles = [];
-    d3_geom_voronoiTessellate(vertices, function(e) {
-      edges[e.region.l.index].push(vertices[e.region.r.index]);
-    });
-    edges.forEach(function(edge, i) {
-      var v = vertices[i], cx = v[0], cy = v[1];
-      edge.forEach(function(v) {
-        v.angle = Math.atan2(v[0] - cx, v[1] - cy);
-      });
-      edge.sort(function(a, b) {
-        return a.angle - b.angle;
-      });
-      for (var j = 0, m = edge.length - 1; j < m; j++) {
-        triangles.push([ v, edge[j], edge[j + 1] ]);
-      }
-    });
-    return triangles;
-  };
-  d3.geom.voronoi = function(points) {
-    var x = d3_svg_lineX, y = d3_svg_lineY, clipPolygon = null;
-    if (arguments.length) return voronoi(points);
-    function voronoi(data) {
-      var points, polygons = data.map(function() {
-        return [];
-      }), fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length, Z = 1e6;
-      if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (points = new Array(n), 
-      i = 0; i < n; ++i) {
-        points[i] = [ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ];
-      }
-      d3_geom_voronoiTessellate(points, function(e) {
-        var s1, s2, x1, x2, y1, y2;
-        if (e.a === 1 && e.b >= 0) {
-          s1 = e.ep.r;
-          s2 = e.ep.l;
-        } else {
-          s1 = e.ep.l;
-          s2 = e.ep.r;
-        }
-        if (e.a === 1) {
-          y1 = s1 ? s1.y : -Z;
-          x1 = e.c - e.b * y1;
-          y2 = s2 ? s2.y : Z;
-          x2 = e.c - e.b * y2;
-        } else {
-          x1 = s1 ? s1.x : -Z;
-          y1 = e.c - e.a * x1;
-          x2 = s2 ? s2.x : Z;
-          y2 = e.c - e.a * x2;
-        }
-        var v1 = [ x1, y1 ], v2 = [ x2, y2 ];
-        polygons[e.region.l.index].push(v1, v2);
-        polygons[e.region.r.index].push(v1, v2);
-      });
-      polygons = polygons.map(function(polygon, i) {
-        var cx = points[i][0], cy = points[i][1], angle = polygon.map(function(v) {
-          return Math.atan2(v[0] - cx, v[1] - cy);
-        }), order = d3.range(polygon.length).sort(function(a, b) {
-          return angle[a] - angle[b];
-        });
-        return order.filter(function(d, i) {
-          return !i || angle[d] - angle[order[i - 1]] > ε;
-        }).map(function(d) {
-          return polygon[d];
-        });
-      });
-      polygons.forEach(function(polygon, i) {
-        var n = polygon.length;
-        if (!n) return polygon.push([ -Z, -Z ], [ -Z, Z ], [ Z, Z ], [ Z, -Z ]);
-        if (n > 2) return;
-        var p0 = points[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1;
-        if (Math.abs(dy) < ε) {
-          var y = y0 < y1 ? -Z : Z;
-          polygon.push([ -Z, y ], [ Z, y ]);
-        } else if (dx < ε) {
-          var x = x0 < x1 ? -Z : Z;
-          polygon.push([ x, -Z ], [ x, Z ]);
-        } else {
-          var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx;
-          if (Math.abs(z) < ε) {
-            polygon.push([ dy < 0 ? y : -y, y ]);
-          } else {
-            if (z > 0) y *= -1;
-            polygon.push([ -Z, y ], [ Z, y ]);
-          }
-        }
-      });
-      if (clipPolygon) for (i = 0; i < n; ++i) clipPolygon.clip(polygons[i]);
-      for (i = 0; i < n; ++i) polygons[i].point = data[i];
-      return polygons;
-    }
-    voronoi.x = function(_) {
-      return arguments.length ? (x = _, voronoi) : x;
-    };
-    voronoi.y = function(_) {
-      return arguments.length ? (y = _, voronoi) : y;
-    };
-    voronoi.clipExtent = function(_) {
-      if (!arguments.length) return clipPolygon && [ clipPolygon[0], clipPolygon[2] ];
-      if (_ == null) clipPolygon = null; else {
-        var x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], y2 = +_[1][1];
-        clipPolygon = d3.geom.polygon([ [ x1, y1 ], [ x1, y2 ], [ x2, y2 ], [ x2, y1 ] ]);
-      }
-      return voronoi;
-    };
-    voronoi.size = function(_) {
-      if (!arguments.length) return clipPolygon && clipPolygon[2];
-      return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
-    };
-    voronoi.links = function(data) {
-      var points, graph = data.map(function() {
-        return [];
-      }), links = [], fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length;
-      if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (points = new Array(n), 
-      i = 0; i < n; ++i) {
-        points[i] = [ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ];
-      }
-      d3_geom_voronoiTessellate(points, function(e) {
-        var l = e.region.l.index, r = e.region.r.index;
-        if (graph[l][r]) return;
-        graph[l][r] = graph[r][l] = true;
-        links.push({
-          source: data[l],
-          target: data[r]
-        });
-      });
-      return links;
-    };
-    voronoi.triangles = function(data) {
-      if (x === d3_svg_lineX && y === d3_svg_lineY) return d3.geom.delaunay(data);
-      var points = new Array(n), fx = d3_functor(x), fy = d3_functor(y), d, i = -1, n = data.length;
-      while (++i < n) {
-        (points[i] = [ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]).data = d;
-      }
-      return d3.geom.delaunay(points).map(function(triangle) {
-        return triangle.map(function(point) {
-          return point.data;
-        });
-      });
-    };
-    return voronoi;
-  };
-  var d3_geom_voronoiOpposite = {
-    l: "r",
-    r: "l"
-  };
-  function d3_geom_voronoiTessellate(points, callback) {
-    var Sites = {
-      list: points.map(function(v, i) {
-        return {
-          index: i,
-          x: v[0],
-          y: v[1]
-        };
-      }).sort(function(a, b) {
-        return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
-      }),
-      bottomSite: null
-    };
-    var EdgeList = {
-      list: [],
-      leftEnd: null,
-      rightEnd: null,
-      init: function() {
-        EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
-        EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
-        EdgeList.leftEnd.r = EdgeList.rightEnd;
-        EdgeList.rightEnd.l = EdgeList.leftEnd;
-        EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
-      },
-      createHalfEdge: function(edge, side) {
-        return {
-          edge: edge,
-          side: side,
-          vertex: null,
-          l: null,
-          r: null
-        };
-      },
-      insert: function(lb, he) {
-        he.l = lb;
-        he.r = lb.r;
-        lb.r.l = he;
-        lb.r = he;
-      },
-      leftBound: function(p) {
-        var he = EdgeList.leftEnd;
-        do {
-          he = he.r;
-        } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
-        he = he.l;
-        return he;
-      },
-      del: function(he) {
-        he.l.r = he.r;
-        he.r.l = he.l;
-        he.edge = null;
-      },
-      right: function(he) {
-        return he.r;
-      },
-      left: function(he) {
-        return he.l;
-      },
-      leftRegion: function(he) {
-        return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
-      },
-      rightRegion: function(he) {
-        return he.edge == null ? Sites.bottomSite : he.edge.region[d3_geom_voronoiOpposite[he.side]];
-      }
-    };
-    var Geom = {
-      bisect: function(s1, s2) {
-        var newEdge = {
-          region: {
-            l: s1,
-            r: s2
-          },
-          ep: {
-            l: null,
-            r: null
-          }
-        };
-        var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
-        newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5;
-        if (adx > ady) {
-          newEdge.a = 1;
-          newEdge.b = dy / dx;
-          newEdge.c /= dx;
-        } else {
-          newEdge.b = 1;
-          newEdge.a = dx / dy;
-          newEdge.c /= dy;
-        }
-        return newEdge;
-      },
-      intersect: function(el1, el2) {
-        var e1 = el1.edge, e2 = el2.edge;
-        if (!e1 || !e2 || e1.region.r == e2.region.r) {
-          return null;
-        }
-        var d = e1.a * e2.b - e1.b * e2.a;
-        if (Math.abs(d) < 1e-10) {
-          return null;
-        }
-        var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
-        if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
-          el = el1;
-          e = e1;
-        } else {
-          el = el2;
-          e = e2;
-        }
-        var rightOfSite = xint >= e.region.r.x;
-        if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") {
-          return null;
-        }
-        return {
-          x: xint,
-          y: yint
-        };
-      },
-      rightOf: function(he, p) {
-        var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
-        if (rightOfSite && he.side === "l") {
-          return 1;
-        }
-        if (!rightOfSite && he.side === "r") {
-          return 0;
-        }
-        if (e.a === 1) {
-          var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
-          if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
-            above = fast = dyp >= e.b * dxp;
-          } else {
-            above = p.x + p.y * e.b > e.c;
-            if (e.b < 0) {
-              above = !above;
-            }
-            if (!above) {
-              fast = 1;
-            }
-          }
-          if (!fast) {
-            var dxs = topsite.x - e.region.l.x;
-            above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
-            if (e.b < 0) {
-              above = !above;
-            }
-          }
-        } else {
-          var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
-          above = t1 * t1 > t2 * t2 + t3 * t3;
-        }
-        return he.side === "l" ? above : !above;
-      },
-      endPoint: function(edge, side, site) {
-        edge.ep[side] = site;
-        if (!edge.ep[d3_geom_voronoiOpposite[side]]) return;
-        callback(edge);
-      },
-      distance: function(s, t) {
-        var dx = s.x - t.x, dy = s.y - t.y;
-        return Math.sqrt(dx * dx + dy * dy);
-      }
-    };
-    var EventQueue = {
-      list: [],
-      insert: function(he, site, offset) {
-        he.vertex = site;
-        he.ystar = site.y + offset;
-        for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
-          var next = list[i];
-          if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
-            continue;
-          } else {
-            break;
-          }
-        }
-        list.splice(i, 0, he);
-      },
-      del: function(he) {
-        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {}
-        ls.splice(i, 1);
-      },
-      empty: function() {
-        return EventQueue.list.length === 0;
-      },
-      nextEvent: function(he) {
-        for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
-          if (ls[i] == he) return ls[i + 1];
-        }
-        return null;
-      },
-      min: function() {
-        var elem = EventQueue.list[0];
-        return {
-          x: elem.vertex.x,
-          y: elem.ystar
-        };
-      },
-      extractMin: function() {
-        return EventQueue.list.shift();
-      }
-    };
-    EdgeList.init();
-    Sites.bottomSite = Sites.list.shift();
-    var newSite = Sites.list.shift(), newIntStar;
-    var lbnd, rbnd, llbnd, rrbnd, bisector;
-    var bot, top, temp, p, v;
-    var e, pm;
-    while (true) {
-      if (!EventQueue.empty()) {
-        newIntStar = EventQueue.min();
-      }
-      if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
-        lbnd = EdgeList.leftBound(newSite);
-        rbnd = EdgeList.right(lbnd);
-        bot = EdgeList.rightRegion(lbnd);
-        e = Geom.bisect(bot, newSite);
-        bisector = EdgeList.createHalfEdge(e, "l");
-        EdgeList.insert(lbnd, bisector);
-        p = Geom.intersect(lbnd, bisector);
-        if (p) {
-          EventQueue.del(lbnd);
-          EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
-        }
-        lbnd = bisector;
-        bisector = EdgeList.createHalfEdge(e, "r");
-        EdgeList.insert(lbnd, bisector);
-        p = Geom.intersect(bisector, rbnd);
-        if (p) {
-          EventQueue.insert(bisector, p, Geom.distance(p, newSite));
-        }
-        newSite = Sites.list.shift();
-      } else if (!EventQueue.empty()) {
-        lbnd = EventQueue.extractMin();
-        llbnd = EdgeList.left(lbnd);
-        rbnd = EdgeList.right(lbnd);
-        rrbnd = EdgeList.right(rbnd);
-        bot = EdgeList.leftRegion(lbnd);
-        top = EdgeList.rightRegion(rbnd);
-        v = lbnd.vertex;
-        Geom.endPoint(lbnd.edge, lbnd.side, v);
-        Geom.endPoint(rbnd.edge, rbnd.side, v);
-        EdgeList.del(lbnd);
-        EventQueue.del(rbnd);
-        EdgeList.del(rbnd);
-        pm = "l";
-        if (bot.y > top.y) {
-          temp = bot;
-          bot = top;
-          top = temp;
-          pm = "r";
-        }
-        e = Geom.bisect(bot, top);
-        bisector = EdgeList.createHalfEdge(e, pm);
-        EdgeList.insert(llbnd, bisector);
-        Geom.endPoint(e, d3_geom_voronoiOpposite[pm], v);
-        p = Geom.intersect(llbnd, bisector);
-        if (p) {
-          EventQueue.del(llbnd);
-          EventQueue.insert(llbnd, p, Geom.distance(p, bot));
-        }
-        p = Geom.intersect(bisector, rrbnd);
-        if (p) {
-          EventQueue.insert(bisector, p, Geom.distance(p, bot));
-        }
-      } else {
-        break;
-      }
-    }
-    for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
-      callback(lbnd.edge);
-    }
-  }
-  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
-    var x = d3_svg_lineX, y = d3_svg_lineY, 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 (Math.abs(nx - x) + Math.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 : t === "object" ? Array.isArray(b) ? d3_interpolateArray : 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, Array.prototype.slice.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 * π / 2);
-  }
-  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 / (2 * π) * 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) * 2 * π / 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 = (2 * π - 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, gravity = .1, theta = .8, 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, dn = 1 / Math.sqrt(dx * dx + dy * dy);
-          if ((x2 - x1) * dn < theta) {
-            var k = quad.charge * dn * dn;
-            node.px -= dx * k;
-            node.py -= dy * k;
-            return true;
-          }
-          if (quad.point && isFinite(dn)) {
-            var k = quad.pointCharge * dn * 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.gravity = function(x) {
-      if (!arguments.length) return gravity;
-      gravity = +x;
-      return force;
-    };
-    force.theta = function(x) {
-      if (!arguments.length) return theta;
-      theta = +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, j, 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) {
-        var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
-        while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
-        return Math.random() * size;
-      }
-      function neighbor() {
-        if (!neighbors) {
-          neighbors = [];
-          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);
-          }
-        }
-        return neighbors[i];
-      }
-      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.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 = [], v = 0, j = depth + 1, d;
-        while (++i < n) {
-          d = recurse(childs[i], j, nodes);
-          d.parent = node;
-          c.push(d);
-          v += d.value;
-        }
-        if (sort) c.sort(sort);
-        if (value) node.value = v;
-      } else 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 = 2 * π;
-    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());
-      };
-    },
-    irwinHall: function(m) {
-      return function() {
-        for (var s = 0, j = 0; j < m; j++) s += Math.random();
-        return s / m;
-      };
-    }
-  };
-  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 precision = -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01);
-    return d3.format(format ? format.replace(d3_format_re, function(a, b, c, d, e, f, g, h, i, j) {
-      return [ b, c, d, e, f, g, h, i || "." + (precision - (j === "%") * 2), j ].join("");
-    }) : ",." + precision + "f");
-  }
-  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) || index.set(x, domain.push(x))) - 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.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 = -π / 2, d3_svg_arcMax = 2 * π - 1e-6;
-  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;
-  }
-  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_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, 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)) {
-          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;
-    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;
-    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, tweened = [];
-        if (delay <= elapsed) return start(elapsed);
-        d3_timer_replace(start, delay, time);
-        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);
-            }
-          });
-          if (tick(elapsed)) return 1;
-          d3_timer_replace(tick, 0, time);
-        }
-        function tick(elapsed) {
-          if (lock.active !== id) return stop();
-          var t = (elapsed - delay) / 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 ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, d3_identity), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform;
-        var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
-        d3.transition(path));
-        var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
-        this.__chart__ = scale1;
-        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 (scale.rangeBand) {
-          var dx = scale1.rangeBand() / 2, x = function(d) {
-            return scale1(d) + dx;
-          };
-          tickEnter.call(tickTransform, x);
-          tickUpdate.call(tickTransform, x);
-        } else {
-          tickEnter.call(tickTransform, scale0);
-          tickUpdate.call(tickTransform, scale1);
-          tickExit.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 = mouse(), 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 mouse() {
-        var touches = d3.event.changedTouches;
-        return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
-      }
-      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 = mouse(), 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 = d3.time = {}, d3_date = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
-  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;
-  var d3_time_formatDateTime = "%a %b %e %X %Y", d3_time_formatDate = "%m/%d/%Y", d3_time_formatTime = "%H:%M:%S";
-  var d3_time_days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], d3_time_dayAbbreviations = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
-  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);
-  };
-  d3_time_daySymbols.forEach(function(day, i) {
-    day = day.toLowerCase();
-    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;
-  d3_time.format = d3_time_format;
-  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
-      }, 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 date = new 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, d.M, d.S, d.L);
-      return 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;
-  }
-  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_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);
-  }
-  var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayLookup = d3_time_formatLookup(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_dayAbbrevLookup = d3_time_formatLookup(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations), d3_time_percentRe = /^%/;
-  var d3_time_formatPads = {
-    "-": "",
-    _: " ",
-    "0": "0"
-  };
-  var d3_time_formats = {
-    a: function(d) {
-      return d3_time_dayAbbreviations[d.getDay()];
-    },
-    A: function(d) {
-      return d3_time_days[d.getDay()];
-    },
-    b: function(d) {
-      return d3_time_monthAbbreviations[d.getMonth()];
-    },
-    B: function(d) {
-      return d3_time_months[d.getMonth()];
-    },
-    c: d3_time_format(d3_time_formatDateTime),
-    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 d.getHours() >= 12 ? "PM" : "AM";
-    },
-    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(d3_time_formatDate),
-    X: d3_time_format(d3_time_formatTime),
-    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,
-    "%": 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_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_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_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_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;
-  }
-  var d3_time_numberRe = /^\s*\d+/;
-  function d3_time_parseAmPm(date, string, i) {
-    var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
-    return n == null ? -1 : (date.p = n, i);
-  }
-  var d3_time_amPmLookup = d3.map({
-    am: 0,
-    pm: 1
-  });
-  function d3_time_zone(d) {
-    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.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;
-  }
-  d3_time_format.utc = d3_time_formatUtc;
-  function d3_time_formatUtc(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;
-  }
-  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);
-    };
-    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);
-  }
-  function d3_time_scaleFormat(formats) {
-    return function(date) {
-      var i = formats.length - 1, f = formats[i];
-      while (!f[1](date)) f = formats[--i];
-      return f[0](date);
-    };
-  }
-  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_scaleLocalFormats = [ [ d3_time_format("%Y"), d3_true ], [ d3_time_format("%B"), function(d) {
-    return d.getMonth();
-  } ], [ d3_time_format("%b %d"), function(d) {
-    return d.getDate() != 1;
-  } ], [ d3_time_format("%a %d"), function(d) {
-    return d.getDay() && d.getDate() != 1;
-  } ], [ d3_time_format("%I %p"), function(d) {
-    return d.getHours();
-  } ], [ d3_time_format("%I:%M"), function(d) {
-    return d.getMinutes();
-  } ], [ d3_time_format(":%S"), function(d) {
-    return d.getSeconds();
-  } ], [ d3_time_format(".%L"), function(d) {
-    return d.getMilliseconds();
-  } ] ];
-  var d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
-  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_scaleMilliseconds = {
-    range: function(start, stop, step) {
-      return d3.range(+start, +stop, step).map(d3_time_scaleDate);
-    }
-  };
-  var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
-    return [ m[0].utc, m[1] ];
-  });
-  var d3_time_scaleUTCFormats = [ [ d3_time_formatUtc("%Y"), d3_true ], [ d3_time_formatUtc("%B"), function(d) {
-    return d.getUTCMonth();
-  } ], [ d3_time_formatUtc("%b %d"), function(d) {
-    return d.getUTCDate() != 1;
-  } ], [ d3_time_formatUtc("%a %d"), function(d) {
-    return d.getUTCDay() && d.getUTCDate() != 1;
-  } ], [ d3_time_formatUtc("%I %p"), function(d) {
-    return d.getUTCHours();
-  } ], [ d3_time_formatUtc("%I:%M"), function(d) {
-    return d.getUTCMinutes();
-  } ], [ d3_time_formatUtc(":%S"), function(d) {
-    return d.getUTCSeconds();
-  } ], [ d3_time_formatUtc(".%L"), function(d) {
-    return d.getUTCMilliseconds();
-  } ] ];
-  var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
-  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;
-  });
-  return d3;
-}();
\ No newline at end of file
diff --git a/js/vendor/d3.v3.min.js b/js/vendor/d3.v3.min.js
new file mode 100644
index 0000000000000..dba599303c1d4
--- /dev/null
+++ b/js/vendor/d3.v3.min.js
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i=Bo.select(this).style("pointer-events","all").style("-webkit-tap-highlight-color","rgba(0,0,0,0)").on("mousedown.brush",u).on("touchstart.brush",u),o=i.selectAll(".background").data([0]);o.enter().append("rect").attr("class","background").style("visibility","hidden").style("cursor","crosshair"),i.selectAll(".extent").data([0]).enter().append("rect").attr("class","extent").style("cursor","move");var a=i.selectAll(".resize").data(d,dt);a.exit().remove(),a.enter().append("g").attr("class",function(n){return"resize "+n}).style("cursor",function(n){return zs[n]}).append("rect").attr("x",function(n){return/[ew]$/.test(n)?-3:null}).attr("y",function(n){return/^[ns]/.test(n)?-3:null}).attr("width",6).attr("height",6).style("visibility","hidden"),a.style("display",n.empty()?"none":null);var l,f=Bo.transition(i),h=Bo.transition(o);c&&(l=ei(c),h.attr("x",l[0]).attr("width",l[1]-l[0]),e(f)),s&&(l=ei(s),h.attr("y",l[0]).attr("height",l[1]-l[0]),r(f)),t(f)})}function t(n){n.selectAll(".resize").attr("transform",function(n){return"translate("+l[+/e$/.test(n)]+","+h[+/^s/.test(n)]+")"})}function e(n){n.select(".extent").attr("x",l[0]),n.selectAll(".extent,.n>rect,.s>rect").attr("width",l[1]-l[0])}function r(n){n.select(".extent").attr("y",h[0]),n.selectAll(".extent,.e>rect,.w>rect").attr("height",h[1]-h[0])}function u(){function u(){32==Bo.event.keyCode&&(C||(x=null,L[0]-=l[1],L[1]-=h[1],C=2),f())}function g(){32==Bo.event.keyCode&&2==C&&(L[0]+=l[1],L[1]+=h[1],C=0,f())}function d(){var n=Bo.mouse(_),u=!1;M&&(n[0]+=M[0],n[1]+=M[1]),C||(Bo.event.altKey?(x||(x=[(l[0]+l[1])/2,(h[0]+h[1])/2]),L[0]=l[+(n[0]<x[0])],L[1]=h[+(n[1]<x[1])]):x=null),E&&m(n,c,0)&&(e(S),u=!0),A&&m(n,s,1)&&(r(S),u=!0),u&&(t(S),w({type:"brush",mode:C?"move":"resize"}))}function m(n,t,e){var r,u,a=ei(t),c=a[0],s=a[1],f=L[e],g=e?h:l,d=g[1]-g[0];return C&&(c-=f,s-=d+f),r=(e?v:p)?Math.max(c,Math.min(s,n[e])):n[e],C?u=(r+=f)+d:(x&&(f=Math.max(c,Math.min(s,2*x[e]-r))),r>f?(u=r,r=f):u=f),g[0]!=r||g[1]!=u?(e?o=null:i=null,g[0]=r,g[1]=u,!0):void 0}function y(){d(),S.style("pointer-events","all").selectAll(".resize").style("display",n.empty()?"none":null),Bo.select("body").style("cursor",null),T.on("mousemove.brush",null).on("mouseup.brush",null).on("touchmove.brush",null).on("touchend.brush",null).on("keydown.brush",null).on("keyup.brush",null),N(),w({type:"brushend"})}var x,M,_=this,b=Bo.select(Bo.event.target),w=a.of(_,arguments),S=Bo.select(_),k=b.datum(),E=!/^(n|s)$/.test(k)&&c,A=!/^(e|w)$/.test(k)&&s,C=b.classed("extent"),N=P(),L=Bo.mouse(_),T=Bo.select(Qo).on("keydown.brush",u).on("keyup.brush",g);if(Bo.event.changedTouches?T.on("touchmove.brush",d).on("touchend.brush",y):T.on("mousemove.brush",d).on("mouseup.brush",y),S.interrupt().selectAll("*").interrupt(),C)L[0]=l[0]-L[0],L[1]=h[0]-L[1];else if(k){var q=+/w$/.test(k),z=+/^n/.test(k);M=[l[1-q]-L[0],h[1-z]-L[1]],L[0]=l[q],L[1]=h[z]}else Bo.event.altKey&&(x=L.slice());S.style("pointer-events","none").selectAll(".resize").style("display",null),Bo.select("body").style("cursor",b.style("cursor")),w({type:"brushstart"}),d()}var i,o,a=g(n,"brushstart","brush","brushend"),c=null,s=null,l=[0,0],h=[0,0],p=!0,v=!0,d=Rs[0];return n.event=function(n){n.each(function(){var n=a.of(this,arguments),t={x:l,y:h,i:i,j:o},e=this.__chart__||t;this.__chart__=t,ks?Bo.select(this).transition().each("start.brush",function(){i=e.i,o=e.j,l=e.x,h=e.y,n({type:"brushstart"})}).tween("brush:brush",function(){var e=Rr(l,t.x),r=Rr(h,t.y);return i=o=null,function(u){l=t.x=e(u),h=t.y=r(u),n({type:"brush",mode:"resize"})}}).each("end.brush",function(){i=t.i,o=t.j,n({type:"brush",mode:"resize"}),n({type:"brushend"})}):(n({type:"brushstart"}),n({type:"brush",mode:"resize"}),n({type:"brushend"}))})},n.x=function(t){return arguments.length?(c=t,d=Rs[!c<<1|!s],n):c},n.y=function(t){return arguments.length?(s=t,d=Rs[!c<<1|!s],n):s},n.clamp=function(t){return arguments.length?(c&&s?(p=!!t[0],v=!!t[1]):c?p=!!t:s&&(v=!!t),n):c&&s?[p,v]:c?p:s?v:null},n.extent=function(t){var e,r,u,a,f;return arguments.length?(c&&(e=t[0],r=t[1],s&&(e=e[0],r=r[0]),i=[e,r],c.invert&&(e=c(e),r=c(r)),e>r&&(f=e,e=r,r=f),(e!=l[0]||r!=l[1])&&(l=[e,r])),s&&(u=t[0],a=t[1],c&&(u=u[1],a=a[1]),o=[u,a],s.invert&&(u=s(u),a=s(a)),u>a&&(f=u,u=a,a=f),(u!=h[0]||a!=h[1])&&(h=[u,a])),n):(c&&(i?(e=i[0],r=i[1]):(e=l[0],r=l[1],c.invert&&(e=c.invert(e),r=c.invert(r)),e>r&&(f=e,e=r,r=f))),s&&(o?(u=o[0],a=o[1]):(u=h[0],a=h[1],s.invert&&(u=s.invert(u),a=s.invert(a)),u>a&&(f=u,u=a,a=f))),c&&s?[[e,u],[r,a]]:c?[e,r]:s&&[u,a])},n.clear=function(){return n.empty()||(l=[0,0],h=[0,0],i=o=null),n},n.empty=function(){return!!c&&l[0]==l[1]||!!s&&h[0]==h[1]},Bo.rebind(n,a,"on")};var zs={n:"ns-resize",e:"ew-resize",s:"ns-resize",w:"ew-resize",nw:"nwse-resize",ne:"nesw-resize",se:"nwse-resize",sw:"nesw-resize"},Rs=[["n","e","s","w","nw","ne","se","sw"],["e","w"],["n","s"],[]],Ds=Bo.time={},Ps=Date,Us=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];co.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(){js.setUTCDate.apply(this._,arguments)},setDay:function(){js.setUTCDay.apply(this._,arguments)},setFullYear:function(){js.setUTCFullYear.apply(this._,arguments)},setHours:function(){js.setUTCHours.apply(this._,arguments)},setMilliseconds:function(){js.setUTCMilliseconds.apply(this._,arguments)},setMinutes:function(){js.setUTCMinutes.apply(this._,arguments)},setMonth:function(){js.setUTCMonth.apply(this._,arguments)},setSeconds:function(){js.setUTCSeconds.apply(this._,arguments)},setTime:function(){js.setTime.apply(this._,arguments)}};var js=Date.prototype,Hs="%a %b %e %X %Y",Fs="%m/%d/%Y",Os="%H:%M:%S",Ys=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],Is=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],Zs=["January","February","March","April","May","June","July","August","September","October","November","December"],Vs=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];Ds.year=so(function(n){return n=Ds.day(n),n.setMonth(0,1),n},function(n,t){n.setFullYear(n.getFullYear()+t)},function(n){return n.getFullYear()}),Ds.years=Ds.year.range,Ds.years.utc=Ds.year.utc.range,Ds.day=so(function(n){var t=new Ps(2e3,0);return t.setFullYear(n.getFullYear(),n.getMonth(),n.getDate()),t},function(n,t){n.setDate(n.getDate()+t)},function(n){return n.getDate()-1}),Ds.days=Ds.day.range,Ds.days.utc=Ds.day.utc.range,Ds.dayOfYear=function(n){var t=Ds.year(n);return Math.floor((n-t-6e4*(n.getTimezoneOffset()-t.getTimezoneOffset()))/864e5)},Us.forEach(function(n,t){n=n.toLowerCase(),t=7-t;var e=Ds[n]=so(function(n){return(n=Ds.day(n)).setDate(n.getDate()-(n.getDay()+t)%7),n},function(n,t){n.setDate(n.getDate()+7*Math.floor(t))},function(n){var e=Ds.year(n).getDay();return Math.floor((Ds.dayOfYear(n)+(e+t)%7)/7)-(e!==t)});Ds[n+"s"]=e.range,Ds[n+"s"].utc=e.utc.range,Ds[n+"OfYear"]=function(n){var e=Ds.year(n).getDay();return Math.floor((Ds.dayOfYear(n)+(e+t)%7)/7)}}),Ds.week=Ds.sunday,Ds.weeks=Ds.sunday.range,Ds.weeks.utc=Ds.sunday.utc.range,Ds.weekOfYear=Ds.sundayOfYear,Ds.format=fo;var Xs=go(Ys),$s=po(Ys),Bs=go(Is),Ws=po(Is),Js=go(Zs),Gs=po(Zs),Ks=go(Vs),Qs=po(Vs),nl=/^%/,tl={"-":"",_:" ",0:"0"},el={a:function(n){return Is[n.getDay()]},A:function(n){return Ys[n.getDay()]},b:function(n){return Vs[n.getMonth()]},B:function(n){return Zs[n.getMonth()]},c:fo(Hs),d:function(n,t){return vo(n.getDate(),t,2)},e:function(n,t){return vo(n.getDate(),t,2)},H:function(n,t){return vo(n.getHours(),t,2)},I:function(n,t){return vo(n.getHours()%12||12,t,2)},j:function(n,t){return vo(1+Ds.dayOfYear(n),t,3)},L:function(n,t){return vo(n.getMilliseconds(),t,3)},m:function(n,t){return vo(n.getMonth()+1,t,2)},M:function(n,t){return vo(n.getMinutes(),t,2)},p:function(n){return n.getHours()>=12?"PM":"AM"},S:function(n,t){return vo(n.getSeconds(),t,2)},U:function(n,t){return vo(Ds.sundayOfYear(n),t,2)},w:function(n){return n.getDay()},W:function(n,t){return vo(Ds.mondayOfYear(n),t,2)},x:fo(Fs),X:fo(Os),y:function(n,t){return vo(n.getFullYear()%100,t,2)},Y:function(n,t){return vo(n.getFullYear()%1e4,t,4)},Z:Ho,"%":function(){return"%"}},rl={a:mo,A:yo,b:bo,B:wo,c:So,d:qo,e:qo,H:Ro,I:Ro,j:zo,L:Uo,m:To,M:Do,p:jo,S:Po,U:Mo,w:xo,W:_o,x:ko,X:Eo,y:Co,Y:Ao,Z:No,"%":Fo},ul=/^\s*\d+/,il=Bo.map({am:0,pm:1});fo.utc=Oo;var ol=Oo("%Y-%m-%dT%H:%M:%S.%LZ");fo.iso=Date.prototype.toISOString&&+new Date("2000-01-01T00:00:00.000Z")?Yo:ol,Yo.parse=function(n){var t=new Date(n);return isNaN(t)?null:t},Yo.toString=ol.toString,Ds.second=so(function(n){return new Ps(1e3*Math.floor(n/1e3))},function(n,t){n.setTime(n.getTime()+1e3*Math.floor(t))},function(n){return n.getSeconds()}),Ds.seconds=Ds.second.range,Ds.seconds.utc=Ds.second.utc.range,Ds.minute=so(function(n){return new Ps(6e4*Math.floor(n/6e4))},function(n,t){n.setTime(n.getTime()+6e4*Math.floor(t))},function(n){return n.getMinutes()}),Ds.minutes=Ds.minute.range,Ds.minutes.utc=Ds.minute.utc.range,Ds.hour=so(function(n){var t=n.getTimezoneOffset()/60;return new Ps(36e5*(Math.floor(n/36e5-t)+t))},function(n,t){n.setTime(n.getTime()+36e5*Math.floor(t))},function(n){return n.getHours()}),Ds.hours=Ds.hour.range,Ds.hours.utc=Ds.hour.utc.range,Ds.month=so(function(n){return n=Ds.day(n),n.setDate(1),n},function(n,t){n.setMonth(n.getMonth()+t)},function(n){return n.getMonth()}),Ds.months=Ds.month.range,Ds.months.utc=Ds.month.utc.range;var al=[1e3,5e3,15e3,3e4,6e4,3e5,9e5,18e5,36e5,108e5,216e5,432e5,864e5,1728e5,6048e5,2592e6,7776e6,31536e6],cl=[[Ds.second,1],[Ds.second,5],[Ds.second,15],[Ds.second,30],[Ds.minute,1],[Ds.minute,5],[Ds.minute,15],[Ds.minute,30],[Ds.hour,1],[Ds.hour,3],[Ds.hour,6],[Ds.hour,12],[Ds.day,1],[Ds.day,2],[Ds.week,1],[Ds.month,1],[Ds.month,3],[Ds.year,1]],sl=[[fo("%Y"),Vt],[fo("%B"),function(n){return n.getMonth()}],[fo("%b %d"),function(n){return 1!=n.getDate()}],[fo("%a %d"),function(n){return n.getDay()&&1!=n.getDate()}],[fo("%I %p"),function(n){return n.getHours()}],[fo("%I:%M"),function(n){return n.getMinutes()}],[fo(":%S"),function(n){return n.getSeconds()}],[fo(".%L"),function(n){return n.getMilliseconds()}]],ll=Vo(sl);cl.year=Ds.year,Ds.scale=function(){return Io(Bo.scale.linear(),cl,ll)};var fl={range:function(n,t,e){return Bo.range(+n,+t,e).map(Zo)},floor:dt,ceil:dt},hl=cl.map(function(n){return[n[0].utc,n[1]]}),gl=[[Oo("%Y"),Vt],[Oo("%B"),function(n){return n.getUTCMonth()}],[Oo("%b %d"),function(n){return 1!=n.getUTCDate()}],[Oo("%a %d"),function(n){return n.getUTCDay()&&1!=n.getUTCDate()}],[Oo("%I %p"),function(n){return n.getUTCHours()}],[Oo("%I:%M"),function(n){return n.getUTCMinutes()}],[Oo(":%S"),function(n){return n.getUTCSeconds()}],[Oo(".%L"),function(n){return n.getUTCMilliseconds()}]],pl=Vo(gl);return hl.year=Ds.year.utc,Ds.scale.utc=function(){return Io(Bo.scale.linear(),hl,pl)},Bo.text=mt(function(n){return n.responseText}),Bo.json=function(n,t){return yt(n,"application/json",Xo,t)},Bo.html=function(n,t){return yt(n,"text/html",$o,t)},Bo.xml=mt(function(n){return n.responseXML}),Bo}();
\ No newline at end of file
diff --git a/modules/graphnvd3/graphnvd3.php b/modules/graphnvd3/graphnvd3.php
index b2dc8862a44a1..ae0f45109a057 100644
--- a/modules/graphnvd3/graphnvd3.php
+++ b/modules/graphnvd3/graphnvd3.php
@@ -63,7 +63,7 @@ public function hookActionAdminControllerSetMedia($params)
 		$admin_webpath = preg_replace('/^'.preg_quote(DIRECTORY_SEPARATOR, '/').'/', '', $admin_webpath);
 
 		$this->context->controller->addJS(array(
-			_PS_JS_DIR_.'vendor/d3.js',
+			_PS_JS_DIR_.'vendor/d3.v3.min.js',
 			__PS_BASE_URI__.$admin_webpath.'/themes/'.$this->context->employee->bo_theme.'/js/vendor/nv.d3.min.js',
 		));
 		$this->context->controller->addCSS(__PS_BASE_URI__.$admin_webpath.'/themes/'.$this->context->employee->bo_theme.'/css/vendor/nv.d3.css');