d3.chart
Version:
A framework for creating reusable charts with D3.js
1,571 lines (1,565 loc) • 268 kB
JavaScript
(function() {
var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ];
if (!Date.now) Date.now = function() {
return +new Date();
};
try {
document.createElement("div").style.setProperty("opacity", 0, "");
} catch (error) {
var d3_style_prototype = CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
d3_style_prototype.setProperty = function(name, value, priority) {
d3_style_setProperty.call(this, name, value + "", priority);
};
}
d3 = {
version: "3.0.2"
};
var π = Math.PI, ε = 1e-6, d3_radians = π / 180, d3_degrees = 180 / π;
function d3_target(d) {
return d.target;
}
function d3_source(d) {
return d.source;
}
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;
}
}
var d3_array = d3_arraySlice;
function d3_arrayCopy(pseudoarray) {
var i = -1, n = pseudoarray.length, array = [];
while (++i < n) array.push(pseudoarray[i]);
return array;
}
function d3_arraySlice(pseudoarray) {
return Array.prototype.slice.call(pseudoarray);
}
try {
d3_array(document.documentElement.childNodes)[0].nodeType;
} catch (e) {
d3_array = d3_arrayCopy;
}
var d3_arraySubclass = [].__proto__ ? function(array, prototype) {
array.__proto__ = prototype;
} : function(array, prototype) {
for (var property in prototype) array[property] = prototype[property];
};
d3.map = function(object) {
var map = new d3_Map();
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);
function d3_identity(d) {
return d;
}
function d3_true() {
return true;
}
function d3_functor(v) {
return typeof v === "function" ? v : function() {
return v;
};
}
d3.functor = d3_functor;
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 arguments.length ? target : value;
};
}
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.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.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.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.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(µ, σ) {
var n = arguments.length;
if (n < 2) σ = 1;
if (n < 1) µ = 0;
var random = d3.random.normal();
return function() {
return Math.exp(µ + σ * random());
};
},
irwinHall: function(m) {
return function() {
for (var s = 0, j = 0; j < m; j++) s += Math.random();
return s / m;
};
}
};
function d3_number(x) {
return x != null && !isNaN(x);
}
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;
};
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.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.transpose = function(matrix) {
return d3.zip.apply(d3, matrix);
};
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.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.nest = function() {
var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
function map(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, valuesByKey = new d3_Map(), values, o = {};
while (++i < n) {
if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
values.push(object);
} else {
valuesByKey.set(keyValue, [ object ]);
}
}
valuesByKey.forEach(function(keyValue, values) {
o[keyValue] = map(values, depth);
});
return o;
}
function entries(map, depth) {
if (depth >= keys.length) return map;
var a = [], sortKey = sortKeys[depth++], key;
for (key in map) {
a.push({
key: key,
values: entries(map[key], depth)
});
}
if (sortKey) a.sort(function(a, b) {
return sortKey(a.key, b.key);
});
return a;
}
nest.map = function(array) {
return map(array, 0);
};
nest.entries = function(array) {
return entries(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.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.permute = function(array, indexes) {
var permutes = [], i = -1, n = indexes.length;
while (++i < n) permutes[i] = array[indexes[i]];
return permutes;
};
d3.merge = function(arrays) {
return Array.prototype.concat.apply([], arrays);
};
function d3_collapse(s) {
return s.trim().replace(/\s+/g, " ");
}
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;
}
d3.requote = function(s) {
return s.replace(d3_requote_re, "\\$&");
};
var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
d3.round = function(x, n) {
return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
};
d3.xhr = function(url, mimeType, callback) {
var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, response = d3_identity, request = new (window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)();
"onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
request.readyState > 3 && respond();
};
function respond() {
var s = request.status;
!s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : 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.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 (callback != null) xhr.on("error", callback).on("load", function(request) {
callback(null, request);
});
request.send(data == null ? null : data);
return xhr;
};
xhr.abort = function() {
request.abort();
return xhr;
};
d3.rebind(xhr, dispatch, "on");
if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType,
mimeType = null;
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.text = function() {
return d3.xhr.apply(d3, arguments).response(d3_text);
};
function d3_text(request) {
return request.responseText;
}
d3.json = function(url, callback) {
return d3.xhr(url, "application/json", callback).response(d3_json);
};
function d3_json(request) {
return JSON.parse(request.responseText);
}
d3.html = function(url, callback) {
return d3.xhr(url, "text/html", callback).response(d3_html);
};
function d3_html(request) {
var range = document.createRange();
range.selectNode(document.body);
return range.createContextualFragment(request.responseText);
}
d3.xml = function() {
return d3.xhr.apply(d3, arguments).response(d3_xml);
};
function d3_xml(request) {
return request.responseXML;
}
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.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);
}
return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
};
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.format = function(specifier) {
var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", basePrefix = 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 (basePrefix) basePrefix = "0" + type.toLowerCase();
case "c":
case "d":
integer = true;
precision = 0;
break;
case "s":
scale = -1;
type = "r";
break;
}
if (basePrefix === "#") basePrefix = "";
if (type == "r" && !precision) type = "g";
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);
if (!zfill && comma) value = d3_format_group(value);
var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
if (zcomma) value = d3_format_group(padding + value);
if (d3_format_decimalPoint) value.replace(".", d3_format_decimalPoint);
negative += basePrefix;
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)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
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 d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p)));
}
});
function d3_format_precision(x, p) {
return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / 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.lastIndexOf("."), f = i >= 0 ? "." + value.substring(i + 1) : (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 || "") + f;
};
}
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
};
}
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.event = null;
function d3_eventCancel() {
d3.event.stopPropagation();
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.transform = function(string) {
var g = document.createElementNS(d3.ns.prefix.svg, "g");
return (d3.transform = function(string) {
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.interpolate = function(a, b) {
var i = d3.interpolators.length, f;
while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
return f;
};
d3.interpolateNumber = function(a, b) {
b -= a;
return function(t) {
return a + b * t;
};
};
d3.interpolateRound = function(a, b) {
b -= a;
return function(t) {
return Math.round(a + b * t);
};
};
d3.interpolateString = function(a, b) {
var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
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 ? q[0].x : function() {
return b;
};
}
return function(t) {
for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
return s.join("");
};
};
d3.interpolateTransform = function(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("");
};
};
d3.interpolateRgb = function(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.interpolateHsl = function(a, b) {
a = d3.hsl(a);
b = d3.hsl(b);
var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360;
return function(t) {
return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + "";
};
};
d3.interpolateLab = function(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.interpolateHcl = function(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 (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.interpolateArray = function(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;
};
};
d3.interpolateObject = function(a, b) {
var i = {}, c = {}, k;
for (k in a) {
if (k in b) {
i[k] = d3_interpolateByName(k)(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;
};
};
var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
function d3_interpolateByName(name) {
return name == "transform" ? d3.interpolateTransform : d3.interpolate;
}
d3.interpolators = [ d3.interpolateObject, function(a, b) {
return b instanceof Array && d3.interpolateArray(a, b);
}, function(a, b) {
return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + "");
}, function(a, b) {
return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Color) && d3.interpolateRgb(a, b);
}, function(a, b) {
return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b);
} ];
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));
};
}
function d3_Color() {}
d3_Color.prototype.toString = function() {
return this.rgb() + "";
};
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_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, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
};
d3_rgbPrototype.darker = function(k) {
k = Math.pow(.7, arguments.length ? k : 1);
return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(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 {
s = h = 0;
}
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: "#f0f8ff",
antiquewhite: "#faebd7",
aqua: "#00ffff",
aquamarine: "#7fffd4",
azure: "#f0ffff",
beige: "#f5f5dc",
bisque: "#ffe4c4",
black: "#000000",
blanchedalmond: "#ffebcd",
blue: "#0000ff",
blueviolet: "#8a2be2",
brown: "#a52a2a",
burlywood: "#deb887",
cadetblue: "#5f9ea0",
chartreuse: "#7fff00",
chocolate: "#d2691e",
coral: "#ff7f50",
cornflowerblue: "#6495ed",
cornsilk: "#fff8dc",
crimson: "#dc143c",
cyan: "#00ffff",
darkblue: "#00008b",
darkcyan: "#008b8b",
darkgoldenrod: "#b8860b",
darkgray: "#a9a9a9",
darkgreen: "#006400",
darkgrey: "#a9a9a9",
darkkhaki: "#bdb76b",
darkmagenta: "#8b008b",
darkolivegreen: "#556b2f",
darkorange: "#ff8c00",
darkorchid: "#9932cc",
darkred: "#8b0000",
darksalmon: "#e9967a",
darkseagreen: "#8fbc8f",
darkslateblue: "#483d8b",
darkslategray: "#2f4f4f",
darkslategrey: "#2f4f4f",
darkturquoise: "#00ced1",
darkviolet: "#9400d3",
deeppink: "#ff1493",
deepskyblue: "#00bfff",
dimgray: "#696969",
dimgrey: "#696969",
dodgerblue: "#1e90ff",
firebrick: "#b22222",
floralwhite: "#fffaf0",
forestgreen: "#228b22",
fuchsia: "#ff00ff",
gainsboro: "#dcdcdc",
ghostwhite: "#f8f8ff",
gold: "#ffd700",
goldenrod: "#daa520",
gray: "#808080",
green: "#008000",
greenyellow: "#adff2f",
grey: "#808080",
honeydew: "#f0fff0",
hotpink: "#ff69b4",
indianred: "#cd5c5c",
indigo: "#4b0082",
ivory: "#fffff0",
khaki: "#f0e68c",
lavender: "#e6e6fa",
lavenderblush: "#fff0f5",
lawngreen: "#7cfc00",
lemonchiffon: "#fffacd",
lightblue: "#add8e6",
lightcoral: "#f08080",
lightcyan: "#e0ffff",
lightgoldenrodyellow: "#fafad2",
lightgray: "#d3d3d3",
lightgreen: "#90ee90",
lightgrey: "#d3d3d3",
lightpink: "#ffb6c1",
lightsalmon: "#ffa07a",
lightseagreen: "#20b2aa",
lightskyblue: "#87cefa",
lightslategray: "#778899",
lightslategrey: "#778899",
lightsteelblue: "#b0c4de",
lightyellow: "#ffffe0",
lime: "#00ff00",
limegreen: "#32cd32",
linen: "#faf0e6",
magenta: "#ff00ff",
maroon: "#800000",
mediumaquamarine: "#66cdaa",
mediumblue: "#0000cd",
mediumorchid: "#ba55d3",
mediumpurple: "#9370db",
mediumseagreen: "#3cb371",
mediumslateblue: "#7b68ee",
mediumspringgreen: "#00fa9a",
mediumturquoise: "#48d1cc",
mediumvioletred: "#c71585",
midnightblue: "#191970",
mintcream: "#f5fffa",
mistyrose: "#ffe4e1",
moccasin: "#ffe4b5",
navajowhite: "#ffdead",
navy: "#000080",
oldlace: "#fdf5e6",
olive: "#808000",
olivedrab: "#6b8e23",
orange: "#ffa500",
orangered: "#ff4500",
orchid: "#da70d6",
palegoldenrod: "#eee8aa",
palegreen: "#98fb98",
paleturquoise: "#afeeee",
palevioletred: "#db7093",
papayawhip: "#ffefd5",
peachpuff: "#ffdab9",
peru: "#cd853f",
pink: "#ffc0cb",
plum: "#dda0dd",
powderblue: "#b0e0e6",
purple: "#800080",
red: "#ff0000",
rosybrown: "#bc8f8f",
royalblue: "#4169e1",
saddlebrown: "#8b4513",
salmon: "#fa8072",
sandybrown: "#f4a460",
seagreen: "#2e8b57",
seashell: "#fff5ee",
sienna: "#a0522d",
silver: "#c0c0c0",
skyblue: "#87ceeb",
slateblue: "#6a5acd",
slategray: "#708090",
slategrey: "#708090",
snow: "#fffafa",
springgreen: "#00ff7f",
steelblue: "#4682b4",
tan: "#d2b48c",
teal: "#008080",
thistle: "#d8bfd8",
tomato: "#ff6347",
turquoise: "#40e0d0",
violet: "#ee82ee",
wheat: "#f5deb3",
white: "#ffffff",
whitesmoke: "#f5f5f5",
yellow: "#ffff00",
yellowgreen: "#9acd32"
});
d3_rgb_names.forEach(function(key, value) {
d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_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 = h % 360;
if (h < 0) h += 360;
s = 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) {
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 d3_hcl(Math.atan2(b, a) / π * 180, Math.sqrt(a * a + b * b), 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));
}
function d3_selection(groups) {
d3_arraySubclass(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_selectRoot = document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, 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;
}
var d3_selectionPrototype = [];
d3.selection = function() {
return d3_selectionRoot;
};
d3.selection.prototype = d3_selectionPrototype;
d3_selectionPrototype.select = function(selector) {
var subgroups = [], subgroup, subnode, group, node;
if (typeof selector !== "function") 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));
if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
} else {
subgroup.push(null);
}
}
}
return d3_selection(subgroups);
};
function d3_selection_selector(selector) {
return function() {
return d3_select(selector, this);
};
}
d3_selectionPrototype.selectAll = function(selector) {
var subgroups = [], subgroup, node;
if (typeof selector !== "function") 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)));
subgroup.parentNode = node;
}
}
}
return d3_selection(subgroups);
};
function d3_selection_selectorAll(selector) {
return function() {
return d3_selectAll(selector, this);
};
}
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;
}
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.className;
if (value.baseVal != null) value = value.baseVal;
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_class