Created
August 27, 2012 12:59
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Albers USA states
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(function() { | |
if (!Date.now) Date.now = function() { | |
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try { | |
document.createElement("div").style.setProperty("opacity", 0, ""); | |
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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: "2.10.0" | |
}; | |
function d3_class(ctor, properties) { | |
try { | |
for (var key in properties) { | |
Object.defineProperty(ctor.prototype, key, { | |
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}); | |
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} catch (e) { | |
ctor.prototype = properties; | |
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} | |
var d3_array = d3_arraySlice; | |
function d3_arrayCopy(pseudoarray) { | |
var i = -1, n = pseudoarray.length, array = []; | |
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function d3_arraySlice(pseudoarray) { | |
return Array.prototype.slice.call(pseudoarray); | |
} | |
try { | |
d3_array(document.documentElement.childNodes)[0].nodeType; | |
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array.__proto__ = prototype; | |
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for (var property in prototype) array[property] = prototype[property]; | |
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d3.map = function(object) { | |
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for (var key in object) map.set(key, object[key]); | |
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}; | |
function d3_Map() {} | |
d3_class(d3_Map, { | |
has: function(key) { | |
return d3_map_prefix + key in this; | |
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get: function(key) { | |
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function d3_identity(d) { | |
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function d3_this() { | |
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function d3_true() { | |
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function d3_functor(v) { | |
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d3.rebind = function(target, source) { | |
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function d3_rebind(target, source, method) { | |
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while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j; | |
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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.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.first = function(array, f) { | |
var i = 0, n = array.length, a = array[0], b; | |
if (arguments.length === 1) f = d3.ascending; | |
while (++i < n) { | |
if (f.call(array, a, b = array[i]) > 0) { | |
a = b; | |
} | |
} | |
return a; | |
}; | |
d3.last = function(array, f) { | |
var i = 0, n = array.length, a = array[0], b; | |
if (arguments.length === 1) f = d3.ascending; | |
while (++i < n) { | |
if (f.call(array, a, b = array[i]) <= 0) { | |
a = b; | |
} | |
} | |
return a; | |
}; | |
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) { | |
o[keyValue] = map(valuesByKey.get(keyValue), 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); | |
}; | |
d3.split = function(array, f) { | |
var arrays = [], values = [], value, i = -1, n = array.length; | |
if (arguments.length < 2) f = d3_splitter; | |
while (++i < n) { | |
if (f.call(values, value = array[i], i)) { | |
values = []; | |
} else { | |
if (!values.length) arrays.push(values); | |
values.push(value); | |
} | |
} | |
return arrays; | |
}; | |
function d3_splitter(d) { | |
return d == null; | |
} | |
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, mime, callback) { | |
var req = new XMLHttpRequest; | |
if (arguments.length < 3) callback = mime, mime = null; else if (mime && req.overrideMimeType) req.overrideMimeType(mime); | |
req.open("GET", url, true); | |
if (mime) req.setRequestHeader("Accept", mime); | |
req.onreadystatechange = function() { | |
if (req.readyState === 4) { | |
var s = req.status; | |
callback(!s && req.response || s >= 200 && s < 300 || s === 304 ? req : null); | |
} | |
}; | |
req.send(null); | |
}; | |
d3.text = function(url, mime, callback) { | |
function ready(req) { | |
callback(req && req.responseText); | |
} | |
if (arguments.length < 3) { | |
callback = mime; | |
mime = null; | |
} | |
d3.xhr(url, mime, ready); | |
}; | |
d3.json = function(url, callback) { | |
d3.text(url, "application/json", function(text) { | |
callback(text ? JSON.parse(text) : null); | |
}); | |
}; | |
d3.html = function(url, callback) { | |
d3.text(url, "text/html", function(text) { | |
if (text != null) { | |
var range = document.createRange(); | |
range.selectNode(document.body); | |
text = range.createContextualFragment(text); | |
} | |
callback(text); | |
}); | |
}; | |
d3.xml = function(url, mime, callback) { | |
function ready(req) { | |
callback(req && req.responseXML); | |
} | |
if (arguments.length < 3) { | |
callback = mime; | |
mime = null; | |
} | |
d3.xhr(url, mime, ready); | |
}; | |
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] || " ", sign = match[3] || "", 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"; | |
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 "d": | |
integer = true; | |
precision = 0; | |
break; | |
case "s": | |
scale = -1; | |
type = "r"; | |
break; | |
} | |
if (type == "r" && !precision) type = "g"; | |
type = d3_format_types.get(type) || d3_format_typeDefault; | |
return function(value) { | |
if (integer && value % 1) return ""; | |
var negative = 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) { | |
var length = value.length + negative.length; | |
if (length < width) value = (new Array(width - length + 1)).join(fill) + value; | |
if (comma) value = d3_format_group(value); | |
value = negative + value; | |
} else { | |
if (comma) value = d3_format_group(value); | |
value = negative + value; | |
var length = value.length; | |
if (length < width) value = (new Array(width - length + 1)).join(fill) + value; | |
} | |
return value + suffix; | |
}; | |
}; | |
var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/; | |
var d3_format_types = d3.map({ | |
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 + ""; | |
} | |
function d3_format_group(value) { | |
var i = value.lastIndexOf("."), f = i >= 0 ? value.substring(i) : (i = value.length, ""), t = []; | |
while (i > 0) t.push(value.substring(i -= 3, i + 3)); | |
return t.reverse().join(",") + 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_quad = d3_ease_poly(2), d3_ease_cubic = d3_ease_poly(3), d3_ease_default = function() { | |
return d3_ease_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_ease_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_ease_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_identity(t) { | |
return t; | |
} | |
function d3_ease_poly(e) { | |
return function(t) { | |
return Math.pow(t, e); | |
}; | |
} | |
function d3_ease_sin(t) { | |
return 1 - Math.cos(t * Math.PI / 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 < 1) { | |
a = 1; | |
s = p / 4; | |
} else s = p / (2 * Math.PI) * Math.asin(1 / a); | |
return function(t) { | |
return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / 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_transformDegrees; | |
this.translate = [ m.e, m.f ]; | |
this.scale = [ kx, ky ]; | |
this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 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_transformDegrees = 180 / Math.PI, 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_Rgb || b instanceof d3_Hsl) && 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)); | |
}; | |
} | |
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; | |
} | |
d3_Rgb.prototype.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_Rgb.prototype.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_Rgb.prototype.hsl = function() { | |
return d3_rgb_hsl(this.r, this.g, this.b); | |
}; | |
d3_Rgb.prototype.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; | |
} | |
d3_Hsl.prototype.brighter = function(k) { | |
k = Math.pow(.7, arguments.length ? k : 1); | |
return d3_hsl(this.h, this.s, this.l / k); | |
}; | |
d3_Hsl.prototype.darker = function(k) { | |
k = Math.pow(.7, arguments.length ? k : 1); | |
return d3_hsl(this.h, this.s, k * this.l); | |
}; | |
d3_Hsl.prototype.rgb = function() { | |
return d3_hsl_rgb(this.h, this.s, this.l); | |
}; | |
d3_Hsl.prototype.toString = function() { | |
return this.rgb().toString(); | |
}; | |
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; | |
} | |
d3_Hcl.prototype.brighter = function(k) { | |
return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); | |
}; | |
d3_Hcl.prototype.darker = function(k) { | |
return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); | |
}; | |
d3_Hcl.prototype.rgb = function() { | |
return d3_hcl_lab(this.h, this.c, this.l).rgb(); | |
}; | |
d3_Hcl.prototype.toString = function() { | |
return this.rgb() + ""; | |
}; | |
function d3_hcl_lab(h, c, l) { | |
return d3_lab(l, Math.cos(h *= Math.PI / 180) * 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; | |
d3_Lab.prototype.brighter = function(k) { | |
return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); | |
}; | |
d3_Lab.prototype.darker = function(k) { | |
return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); | |
}; | |
d3_Lab.prototype.rgb = function() { | |
return d3_lab_rgb(this.l, this.a, this.b); | |
}; | |
d3_Lab.prototype.toString = function() { | |
return this.rgb() + ""; | |
}; | |
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) / Math.PI * 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_classedRe(name); | |
return function(node, value) { | |
if (c = node.classList) return value ? c.add(name) : c.remove(name); | |
var c = node.className, cb = c.baseVal != null, cv = cb ? c.baseVal : c; | |
if (value) { | |
re.lastIndex = 0; | |
if (!re.test(cv)) { | |
cv = d3_collapse(cv + " " + name); | |
if (cb) c.baseVal = cv; else node.className = cv; | |
} | |
} else if (cv) { | |
cv = d3_collapse(cv.replace(re, " ")); | |
if (cb) c.baseVal = cv; else node.className = cv; | |
} | |
}; | |
} | |
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 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 < 1 ? this.node().textContent : 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; | |
}); | |
}; | |
d3_selectionPrototype.html = function(value) { | |
return arguments.length < 1 ? this.node().innerHTML : 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; | |
}); | |
}; | |
d3_selectionPrototype.append = function(name) { | |
name = d3.ns.qualify(name); | |
function append() { | |
return this.appendChild(document.createElementNS(this.namespaceURI, name)); | |
} | |
function appendNS() { | |
return this.appendChild(document.createElementNS(name.space, name.local)); | |
} | |
return this.select(name.local ? appendNS : append); | |
}; | |
d3_selectionPrototype.insert = function(name, before) { | |
name = d3.ns.qualify(name); | |
function insert() { | |
return this.insertBefore(document.createElementNS(this.namespaceURI, name), d3_select(before, this)); | |
} | |
function insertNS() { | |
return this.insertBefore(document.createElementNS(name.space, name.local), d3_select(before, this)); | |
} | |
return this.select(name.local ? insertNS : insert); | |
}; | |
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), n1 = Math.max(n, m), updateNodes = [], enterNodes = [], exitNodes = [], node, nodeData; | |
if (key) { | |
var nodeByKeyValue = new d3_Map, keyValues = [], keyValue, j = groupData.length; | |
for (i = -1; ++i < n; ) { | |
keyValue = key.call(node = group[i], node.__data__, i); | |
if (nodeByKeyValue.has(keyValue)) { | |
exitNodes[j++] = node; | |
} else { | |
nodeByKeyValue.set(keyValue, node); | |
} | |
keyValues.push(keyValue); | |
} | |
for (i = -1; ++i < m; ) { | |
keyValue = key.call(groupData, nodeData = groupData[i], i); | |
if (nodeByKeyValue.has(keyValue)) { | |
updateNodes[i] = node = nodeByKeyValue.get(keyValue); | |
node.__data__ = nodeData; | |
enterNodes[i] = exitNodes[i] = null; | |
} else { | |
enterNodes[i] = d3_selection_dataNode(nodeData); | |
updateNodes[i] = exitNodes[i] = null; | |
} | |
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; | |
enterNodes[i] = exitNodes[i] = null; | |
} else { | |
enterNodes[i] = d3_selection_dataNode(nodeData); | |
updateNodes[i] = exitNodes[i] = null; | |
} | |
} | |
for (; i < m; ++i) { | |
enterNodes[i] = d3_selection_dataNode(groupData[i]); | |
updateNodes[i] = exitNodes[i] = null; | |
} | |
for (; i < n1; ++i) { | |
exitNodes[i] = group[i]; | |
enterNodes[i] = updateNodes[i] = null; | |
} | |
} | |
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 = d3_selectionPrototype.map = function(value) { | |
return arguments.length < 1 ? this.property("__data__") : this.property("__data__", value); | |
}; | |
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 comparator(a && a.__data__, b && b.__data__); | |
}; | |
} | |
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("."); | |
if (i > 0) type = type.substring(0, i); | |
function onRemove() { | |
var wrapper = this[name]; | |
if (wrapper) { | |
this.removeEventListener(type, wrapper, wrapper.$); | |
delete this[name]; | |
} | |
} | |
function onAdd() { | |
var node = this, args = arguments; | |
onRemove.call(this); | |
this.addEventListener(type, this[name] = wrapper, wrapper.$ = capture); | |
wrapper._ = listener; | |
function wrapper(e) { | |
var o = d3.event; | |
d3.event = e; | |
args[0] = node.__data__; | |
try { | |
listener.apply(node, args); | |
} finally { | |
d3.event = o; | |
} | |
} | |
} | |
return listener ? onAdd : onRemove; | |
} | |
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) { | |
callback.apply(this, (arguments[0] = this, arguments)); | |
return this; | |
}; | |
d3_selectionPrototype.empty = function() { | |
return !this.node(); | |
}; | |
d3_selectionPrototype.node = function(callback) { | |
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.transition = function() { | |
var subgroups = [], subgroup, node; | |
for (var j = -1, m = this.length; ++j < m; ) { | |
subgroups.push(subgroup = []); | |
for (var group = this[j], i = -1, n = group.length; ++i < n; ) { | |
subgroup.push((node = group[i]) ? { | |
node: node, | |
delay: d3_transitionDelay, | |
duration: d3_transitionDuration | |
} : null); | |
} | |
} | |
return d3_transition(subgroups, d3_transitionId || ++d3_transitionNextId, Date.now()); | |
}; | |
var d3_selectionRoot = d3_selection([ [ document ] ]); | |
d3_selectionRoot[0].parentNode = d3_selectRoot; | |
d3.select = function(selector) { | |
return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]); | |
}; | |
d3.selectAll = function(selector) { | |
return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]); | |
}; | |
function d3_selection_enter(selection) { | |
d3_arraySubclass(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.insert = d3_selectionPrototype.insert; | |
d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; | |
d3_selection_enterPrototype.node = d3_selectionPrototype.node; | |
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)); | |
subnode.__data__ = node.__data__; | |
} else { | |
subgroup.push(null); | |
} | |
} | |
} | |
return d3_selection(subgroups); | |
}; | |
function d3_transition(groups, id, time) { | |
d3_arraySubclass(groups, d3_transitionPrototype); | |
var tweens = new d3_Map, event = d3.dispatch("start", "end"), ease = d3_transitionEase; | |
groups.id = id; | |
groups.time = time; | |
groups.tween = function(name, tween) { | |
if (arguments.length < 2) return tweens.get(name); | |
if (tween == null) tweens.remove(name); else tweens.set(name, tween); | |
return groups; | |
}; | |
groups.ease = function(value) { | |
if (!arguments.length) return ease; | |
ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments); | |
return groups; | |
}; | |
groups.each = function(type, listener) { | |
if (arguments.length < 2) return d3_transition_each.call(groups, type); | |
event.on(type, listener); | |
return groups; | |
}; | |
d3.timer(function(elapsed) { | |
return d3_selection_each(groups, function(node, i, j) { | |
var tweened = [], delay = node.delay, duration = node.duration, lock = (node = node.node).__transition__ || (node.__transition__ = { | |
active: 0, | |
count: 0 | |
}), d = node.__data__; | |
++lock.count; | |
delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time); | |
function start(elapsed) { | |
if (lock.active > id) return stop(); | |
lock.active = id; | |
tweens.forEach(function(key, value) { | |
if (value = value.call(node, d, i)) { | |
tweened.push(value); | |
} | |
}); | |
event.start.call(node, d, i); | |
if (!tick(elapsed)) d3.timer(tick, 0, time); | |
return 1; | |
} | |
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) { | |
stop(); | |
d3_transitionId = id; | |
event.end.call(node, d, i); | |
d3_transitionId = 0; | |
return 1; | |
} | |
} | |
function stop() { | |
if (!--lock.count) delete node.__transition__; | |
return 1; | |
} | |
}); | |
}, 0, time); | |
return groups; | |
} | |
var d3_transitionPrototype = [], d3_transitionNextId = 0, d3_transitionId = 0, d3_transitionDefaultDelay = 0, d3_transitionDefaultDuration = 250, d3_transitionDefaultEase = d3.ease("cubic-in-out"), d3_transitionDelay = d3_transitionDefaultDelay, d3_transitionDuration = d3_transitionDefaultDuration, d3_transitionEase = d3_transitionDefaultEase; | |
d3_transitionPrototype.call = d3_selectionPrototype.call; | |
d3.transition = function(selection) { | |
return arguments.length ? d3_transitionId ? selection.transition() : selection : d3_selectionRoot.transition(); | |
}; | |
d3.transition.prototype = d3_transitionPrototype; | |
d3_transitionPrototype.select = function(selector) { | |
var subgroups = [], subgroup, subnode, node; | |
if (typeof selector !== "function") 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, node.node.__data__, i))) { | |
if ("__data__" in node.node) subnode.__data__ = node.node.__data__; | |
subgroup.push({ | |
node: subnode, | |
delay: node.delay, | |
duration: node.duration | |
}); | |
} else { | |
subgroup.push(null); | |
} | |
} | |
} | |
return d3_transition(subgroups, this.id, this.time).ease(this.ease()); | |
}; | |
d3_transitionPrototype.selectAll = function(selector) { | |
var subgroups = [], subgroup, subnodes, 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]) { | |
subnodes = selector.call(node.node, node.node.__data__, i); | |
subgroups.push(subgroup = []); | |
for (var k = -1, o = subnodes.length; ++k < o; ) { | |
subgroup.push({ | |
node: subnodes[k], | |
delay: node.delay, | |
duration: node.duration | |
}); | |
} | |
} | |
} | |
} | |
return d3_transition(subgroups, this.id, this.time).ease(this.ease()); | |
}; | |
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, node.node.__data__, i)) { | |
subgroup.push(node); | |
} | |
} | |
} | |
return d3_transition(subgroups, this.id, this.time).ease(this.ease()); | |
}; | |
d3_transitionPrototype.attr = function(name, value) { | |
if (arguments.length < 2) { | |
for (value in name) this.attrTween(value, d3_tweenByName(name[value], value)); | |
return this; | |
} | |
return this.attrTween(name, d3_tweenByName(value, name)); | |
}; | |
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 === d3_tweenRemove ? (this.removeAttribute(name), null) : 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 === d3_tweenRemove ? (this.removeAttributeNS(name.space, name.local), null) : 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.styleTween(priority, d3_tweenByName(name[priority], priority), value); | |
return this; | |
} | |
priority = ""; | |
} | |
return this.styleTween(name, d3_tweenByName(value, name), priority); | |
}; | |
d3_transitionPrototype.styleTween = function(name, tween, priority) { | |
if (arguments.length < 3) priority = ""; | |
return this.tween("style." + name, function(d, i) { | |
var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name)); | |
return f === d3_tweenRemove ? (this.style.removeProperty(name), null) : f && function(t) { | |
this.style.setProperty(name, f(t), priority); | |
}; | |
}); | |
}; | |
d3_transitionPrototype.text = function(value) { | |
return this.tween("text", function(d, i) { | |
this.textContent = typeof value === "function" ? value.call(this, d, i) : value; | |
}); | |
}; | |
d3_transitionPrototype.remove = function() { | |
return this.each("end.transition", function() { | |
var p; | |
if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this); | |
}); | |
}; | |
d3_transitionPrototype.delay = function(value) { | |
return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { | |
node.delay = value.call(node = node.node, node.__data__, i, j) | 0; | |
} : (value = value | 0, function(node) { | |
node.delay = value; | |
})); | |
}; | |
d3_transitionPrototype.duration = function(value) { | |
return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { | |
node.duration = Math.max(1, value.call(node = node.node, node.__data__, i, j) | 0); | |
} : (value = Math.max(1, value | 0), function(node) { | |
node.duration = value; | |
})); | |
}; | |
function d3_transition_each(callback) { | |
var id = d3_transitionId, ease = d3_transitionEase, delay = d3_transitionDelay, duration = d3_transitionDuration; | |
d3_transitionId = this.id; | |
d3_transitionEase = this.ease(); | |
d3_selection_each(this, function(node, i, j) { | |
d3_transitionDelay = node.delay; | |
d3_transitionDuration = node.duration; | |
callback.call(node = node.node, node.__data__, i, j); | |
}); | |
d3_transitionId = id; | |
d3_transitionEase = ease; | |
d3_transitionDelay = delay; | |
d3_transitionDuration = duration; | |
return this; | |
} | |
d3_transitionPrototype.transition = function() { | |
return this.select(d3_this); | |
}; | |
d3.tween = function(b, interpolate) { | |
function tweenFunction(d, i, a) { | |
var v = b.call(this, d, i); | |
return v == null ? a != "" && d3_tweenRemove : a != v && interpolate(a, v); | |
} | |
function tweenString(d, i, a) { | |
return a != b && interpolate(a, b); | |
} | |
return typeof b === "function" ? tweenFunction : b == null ? d3_tweenNull : (b += "", tweenString); | |
}; | |
var d3_tweenRemove = {}; | |
function d3_tweenNull(d, i, a) { | |
return a != "" && d3_tweenRemove; | |
} | |
function d3_tweenByName(b, name) { | |
return d3.tween(b, d3_interpolateByName(name)); | |
} | |
var d3_timer_queue = null, d3_timer_interval, d3_timer_timeout; | |
d3.timer = function(callback, delay, then) { | |
var found = false, t0, t1 = d3_timer_queue; | |
if (arguments.length < 3) { | |
if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return; | |
then = Date.now(); | |
} | |
while (t1) { | |
if (t1.callback === callback) { | |
t1.then = then; | |
t1.delay = delay; | |
found = true; | |
break; | |
} | |
t0 = t1; | |
t1 = t1.next; | |
} | |
if (!found) d3_timer_queue = { | |
callback: callback, | |
then: then, | |
delay: delay, | |
next: d3_timer_queue | |
}; | |
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 elapsed, now = Date.now(), t1 = d3_timer_queue; | |
while (t1) { | |
elapsed = now - t1.then; | |
if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed); | |
t1 = t1.next; | |
} | |
var delay = d3_timer_flush() - 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() { | |
var elapsed, now = Date.now(), t1 = d3_timer_queue; | |
while (t1) { | |
elapsed = now - t1.then; | |
if (!t1.delay) t1.flush = t1.callback(elapsed); | |
t1 = t1.next; | |
} | |
d3_timer_flush(); | |
}; | |
function d3_timer_flush() { | |
var t0 = null, t1 = d3_timer_queue, then = Infinity; | |
while (t1) { | |
if (t1.flush) { | |
t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next; | |
} else { | |
then = Math.min(then, t1.then + t1.delay); | |
t1 = (t0 = t1).next; | |
} | |
} | |
return then; | |
} | |
var d3_timer_frame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { | |
setTimeout(callback, 17); | |
}; | |
d3.mouse = function(container) { | |
return d3_mousePoint(container, d3_eventSource()); | |
}; | |
var d3_mouse_bug44083 = /WebKit/.test(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 && (window.scrollX || window.scrollY)) { | |
svg = d3.select(document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0); | |
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; | |
}) : []; | |
}; | |
function d3_noop() {} | |
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_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; | |
} | |
if (nice = nice(x1 - x0)) { | |
domain[i0] = nice.floor(x0); | |
domain[i1] = nice.ceil(x1); | |
} | |
return domain; | |
} | |
function d3_scale_niceDefault() { | |
return Math; | |
} | |
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) { | |
return d3_scale_linearTickFormat(domain, m); | |
}; | |
scale.nice = function() { | |
d3_scale_nice(domain, d3_scale_linearNice); | |
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(dx) { | |
dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1); | |
return dx && { | |
floor: function(x) { | |
return Math.floor(x / dx) * dx; | |
}, | |
ceil: function(x) { | |
return Math.ceil(x / dx) * dx; | |
} | |
}; | |
} | |
function d3_scale_linearTickRange(domain, m) { | |
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) { | |
return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f"); | |
} | |
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_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.log = function() { | |
return d3_scale_log(d3.scale.linear(), d3_scale_logp); | |
}; | |
function d3_scale_log(linear, log) { | |
var pow = log.pow; | |
function scale(x) { | |
return linear(log(x)); | |
} | |
scale.invert = function(x) { | |
return pow(linear.invert(x)); | |
}; | |
scale.domain = function(x) { | |
if (!arguments.length) return linear.domain().map(pow); | |
log = x[0] < 0 ? d3_scale_logn : d3_scale_logp; | |
pow = log.pow; | |
linear.domain(x.map(log)); | |
return scale; | |
}; | |
scale.nice = function() { | |
linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault)); | |
return scale; | |
}; | |
scale.ticks = function() { | |
var extent = d3_scaleExtent(linear.domain()), ticks = []; | |
if (extent.every(isFinite)) { | |
var i = Math.floor(extent[0]), j = Math.ceil(extent[1]), u = pow(extent[0]), v = pow(extent[1]); | |
if (log === d3_scale_logn) { | |
ticks.push(pow(i)); | |
for (; i++ < j; ) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k); | |
} else { | |
for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k); | |
ticks.push(pow(i)); | |
} | |
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 < 2) format = d3_scale_logFormat; | |
if (arguments.length < 1) return format; | |
var k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil), e; | |
return function(d) { | |
return d / pow(f(log(d) + e)) <= k ? format(d) : ""; | |
}; | |
}; | |
scale.copy = function() { | |
return d3_scale_log(linear.copy(), log); | |
}; | |
return d3_scale_linearRebind(scale, linear); | |
} | |
var d3_scale_logFormat = d3.format(".0e"); | |
function d3_scale_logp(x) { | |
return Math.log(x < 0 ? 0 : x) / Math.LN10; | |
} | |
function d3_scale_logn(x) { | |
return -Math.log(x > 0 ? 0 : -x) / Math.LN10; | |
} | |
d3_scale_logp.pow = function(x) { | |
return Math.pow(10, x); | |
}; | |
d3_scale_logn.pow = function(x) { | |
return -Math.pow(10, -x); | |
}; | |
d3.scale.pow = function() { | |
return d3_scale_pow(d3.scale.linear(), 1); | |
}; | |
function d3_scale_pow(linear, exponent) { | |
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 linear.domain().map(powb); | |
linear.domain(x.map(powp)); | |
return scale; | |
}; | |
scale.ticks = function(m) { | |
return d3_scale_linearTicks(scale.domain(), m); | |
}; | |
scale.tickFormat = function(m) { | |
return d3_scale_linearTickFormat(scale.domain(), m); | |
}; | |
scale.nice = function() { | |
return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice)); | |
}; | |
scale.exponent = function(x) { | |
if (!arguments.length) return exponent; | |
var domain = scale.domain(); | |
powp = d3_scale_powPow(exponent = x); | |
powb = d3_scale_powPow(1 / exponent); | |
return scale.domain(domain); | |
}; | |
scale.copy = function() { | |
return d3_scale_pow(linear.copy(), exponent); | |
}; | |
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) / (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 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ]; | |
var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ]; | |
var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ]; | |
var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ]; | |
d3.scale.quantile = function() { | |
return d3_scale_quantile([], []); | |
}; | |
function d3_scale_quantile(domain, range) { | |
var thresholds; | |
function rescale() { | |
var k = 0, n = domain.length, 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 NaN; | |
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.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.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) { | |
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.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) { | |
return d3_scale_linearTickFormat(domain, m); | |
}; | |
identity.copy = function() { | |
return d3_scale_identity(domain); | |
}; | |
return identity; | |
} | |
d3.svg = {}; | |
d3.svg.arc = function() { | |
var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; | |
function arc() { | |
var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0), df = da < Math.PI ? "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 = -Math.PI / 2, d3_svg_arcMax = 2 * Math.PI - 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; | |
} | |
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-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_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, closed) { | |
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 ]; | |
d3_svg_lineBasisBezier(path, px, py); | |
while (++i < n) { | |
pi = points[i]; | |
px.shift(); | |
px.push(pi[0]); | |
py.shift(); | |
py.push(pi[1]); | |
d3_svg_lineBasisBezier(path, px, py); | |
} | |
i = -1; | |
while (++i < 2) { | |
px.shift(); | |
px.push(pi[0]); | |
py.shift(); | |
py.push(pi[1]); | |
d3_svg_lineBasisBezier(path, px, py); | |
} | |
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.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_svg_chordSource, target = d3_svg_chordTarget, 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 > Math.PI) + ",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_chordSource(d) { | |
return d.source; | |
} | |
function d3_svg_chordTarget(d) { | |
return d.target; | |
} | |
function d3_svg_chordRadius(d) { | |
return d.radius; | |
} | |
function d3_svg_chordStartAngle(d) { | |
return d.startAngle; | |
} | |
function d3_svg_chordEndAngle(d) { | |
return d.endAngle; | |
} | |
d3.svg.diagonal = function() { | |
var source = d3_svg_chordSource, target = d3_svg_chordTarget, 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.mouse = d3.mouse; | |
d3.svg.touches = d3.touches; | |
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 / Math.PI); | |
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 * Math.PI / 180); | |
d3.svg.axis = function() { | |
var scale = d3.scale.linear(), orient = "bottom", tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0; | |
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_) : String : tickFormat_; | |
var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1); | |
var tick = g.selectAll("g").data(ticks, String), tickEnter = tick.enter().insert("g", "path").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 ]), pathEnter = path.enter().append("path").attr("class", "domain"), pathUpdate = d3.transition(path); | |
var scale1 = scale.copy(), scale0 = this.__chart__ || scale1; | |
this.__chart__ = scale1; | |
tickEnter.append("line").attr("class", "tick"); | |
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; | |
subtickEnter.attr("y2", tickMinorSize); | |
subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize); | |
lineEnter.attr("y2", tickMajorSize); | |
textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding); | |
lineUpdate.attr("x2", 0).attr("y2", tickMajorSize); | |
textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding); | |
text.attr("dy", ".71em").attr("text-anchor", "middle"); | |
pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize); | |
break; | |
} | |
case "top": | |
{ | |
tickTransform = d3_svg_axisX; | |
subtickEnter.attr("y2", -tickMinorSize); | |
subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize); | |
lineEnter.attr("y2", -tickMajorSize); | |
textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)); | |
lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize); | |
textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)); | |
text.attr("dy", "0em").attr("text-anchor", "middle"); | |
pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize); | |
break; | |
} | |
case "left": | |
{ | |
tickTransform = d3_svg_axisY; | |
subtickEnter.attr("x2", -tickMinorSize); | |
subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0); | |
lineEnter.attr("x2", -tickMajorSize); | |
textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)); | |
lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0); | |
textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0); | |
text.attr("dy", ".32em").attr("text-anchor", "end"); | |
pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize); | |
break; | |
} | |
case "right": | |
{ | |
tickTransform = d3_svg_axisY; | |
subtickEnter.attr("x2", tickMinorSize); | |
subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0); | |
lineEnter.attr("x2", tickMajorSize); | |
textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding); | |
lineUpdate.attr("x2", tickMajorSize).attr("y2", 0); | |
textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0); | |
text.attr("dy", ".32em").attr("text-anchor", "start"); | |
pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize); | |
break; | |
} | |
} | |
if (scale.ticks) { | |
tickEnter.call(tickTransform, scale0); | |
tickUpdate.call(tickTransform, scale1); | |
tickExit.call(tickTransform, scale1); | |
subtickEnter.call(tickTransform, scale0); | |
subtickUpdate.call(tickTransform, scale1); | |
subtickExit.call(tickTransform, scale1); | |
} else { | |
var dx = scale1.rangeBand() / 2, x = function(d) { | |
return scale1(d) + dx; | |
}; | |
tickEnter.call(tickTransform, x); | |
tickUpdate.call(tickTransform, x); | |
} | |
}); | |
} | |
axis.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = x; | |
return axis; | |
}; | |
axis.orient = function(x) { | |
if (!arguments.length) return orient; | |
orient = x; | |
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, y, z) { | |
if (!arguments.length) return tickMajorSize; | |
var n = arguments.length - 1; | |
tickMajorSize = +x; | |
tickMinorSize = n > 1 ? +y : tickMajorSize; | |
tickEndSize = n > 0 ? +arguments[n] : tickMajorSize; | |
return axis; | |
}; | |
axis.tickPadding = function(x) { | |
if (!arguments.length) return tickPadding; | |
tickPadding = +x; | |
return axis; | |
}; | |
axis.tickSubdivide = function(x) { | |
if (!arguments.length) return tickSubdivide; | |
tickSubdivide = +x; | |
return axis; | |
}; | |
return axis; | |
}; | |
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) + ")"; | |
}); | |
} | |
function d3_svg_axisSubdivide(scale, ticks, m) { | |
subticks = []; | |
if (m && ticks.length > 1) { | |
var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v; | |
while (++i < n) { | |
for (j = m; --j > 0; ) { | |
if ((v = +ticks[i] - j * d) >= extent[0]) { | |
subticks.push(v); | |
} | |
} | |
} | |
for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) { | |
subticks.push(v); | |
} | |
} | |
return subticks; | |
} | |
d3.svg.brush = function() { | |
var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain; | |
function brush(g) { | |
g.each(function() { | |
var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e; | |
g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); | |
bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); | |
fg.enter().append("rect").attr("class", "extent").style("cursor", "move"); | |
tz.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"); | |
tz.style("display", brush.empty() ? "none" : null); | |
tz.exit().remove(); | |
if (x) { | |
e = d3_scaleRange(x); | |
bg.attr("x", e[0]).attr("width", e[1] - e[0]); | |
redrawX(g); | |
} | |
if (y) { | |
e = d3_scaleRange(y); | |
bg.attr("y", e[0]).attr("height", e[1] - e[0]); | |
redrawY(g); | |
} | |
redraw(g); | |
}); | |
} | |
function redraw(g) { | |
g.selectAll(".resize").attr("transform", function(d) { | |
return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")"; | |
}); | |
} | |
function redrawX(g) { | |
g.select(".extent").attr("x", extent[0][0]); | |
g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]); | |
} | |
function redrawY(g) { | |
g.select(".extent").attr("y", extent[0][1]); | |
g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]); | |
} | |
function brushstart() { | |
var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), center, origin = mouse(), offset; | |
var w = d3.select(window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup); | |
if (dragging) { | |
origin[0] = extent[0][0] - origin[0]; | |
origin[1] = extent[0][1] - origin[1]; | |
} else if (resizing) { | |
var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); | |
offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ]; | |
origin[0] = extent[ex][0]; | |
origin[1] = extent[ey][1]; | |
} 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(); | |
d3_eventCancel(); | |
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] -= extent[1][0]; | |
origin[1] -= extent[1][1]; | |
dragging = 2; | |
} | |
d3_eventCancel(); | |
} | |
} | |
function keyup() { | |
if (d3.event.keyCode == 32 && dragging == 2) { | |
origin[0] += extent[1][0]; | |
origin[1] += extent[1][1]; | |
dragging = 0; | |
d3_eventCancel(); | |
} | |
} | |
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 = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ]; | |
origin[0] = extent[+(point[0] < center[0])][0]; | |
origin[1] = extent[+(point[1] < center[1])][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], size = extent[1][i] - extent[0][i], min, max; | |
if (dragging) { | |
r0 -= position; | |
r1 -= size + position; | |
} | |
min = Math.max(r0, Math.min(r1, 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][i] !== min || extent[1][i] !== max) { | |
extentDomain = null; | |
extent[0][i] = min; | |
extent[1][i] = 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); | |
event_({ | |
type: "brushend" | |
}); | |
d3_eventCancel(); | |
} | |
} | |
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.extent = function(z) { | |
var x0, x1, y0, y1, t; | |
if (!arguments.length) { | |
z = extentDomain || extent; | |
if (x) { | |
x0 = z[0][0], x1 = z[1][0]; | |
if (!extentDomain) { | |
x0 = extent[0][0], x1 = extent[1][0]; | |
if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); | |
if (x1 < x0) t = x0, x0 = x1, x1 = t; | |
} | |
} | |
if (y) { | |
y0 = z[0][1], y1 = z[1][1]; | |
if (!extentDomain) { | |
y0 = extent[0][1], y1 = extent[1][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 ]; | |
} | |
extentDomain = [ [ 0, 0 ], [ 0, 0 ] ]; | |
if (x) { | |
x0 = z[0], x1 = z[1]; | |
if (y) x0 = x0[0], x1 = x1[0]; | |
extentDomain[0][0] = x0, extentDomain[1][0] = x1; | |
if (x.invert) x0 = x(x0), x1 = x(x1); | |
if (x1 < x0) t = x0, x0 = x1, x1 = t; | |
extent[0][0] = x0 | 0, extent[1][0] = x1 | 0; | |
} | |
if (y) { | |
y0 = z[0], y1 = z[1]; | |
if (x) y0 = y0[1], y1 = y1[1]; | |
extentDomain[0][1] = y0, extentDomain[1][1] = y1; | |
if (y.invert) y0 = y(y0), y1 = y(y1); | |
if (y1 < y0) t = y0, y0 = y1, y1 = t; | |
extent[0][1] = y0 | 0, extent[1][1] = y1 | 0; | |
} | |
return brush; | |
}; | |
brush.clear = function() { | |
extentDomain = null; | |
extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0; | |
return brush; | |
}; | |
brush.empty = function() { | |
return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][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" ], [] ]; | |
d3.behavior = {}; | |
d3.behavior.drag = function() { | |
var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null; | |
function drag() { | |
this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown); | |
} | |
function mousedown() { | |
var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, offset, origin_ = point(), moved = 0; | |
var w = d3.select(window).on("mousemove.drag", dragmove).on("touchmove.drag", dragmove).on("mouseup.drag", dragend, true).on("touchend.drag", dragend, true); | |
if (origin) { | |
offset = origin.apply(target, arguments); | |
offset = [ offset.x - origin_[0], offset.y - origin_[1] ]; | |
} else { | |
offset = [ 0, 0 ]; | |
} | |
d3_eventCancel(); | |
event_({ | |
type: "dragstart" | |
}); | |
function point() { | |
var p = target.parentNode, t = d3.event.changedTouches; | |
return t ? d3.touches(p, t)[0] : d3.mouse(p); | |
} | |
function dragmove() { | |
if (!target.parentNode) return dragend(); | |
var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1]; | |
moved |= dx | dy; | |
origin_ = p; | |
d3_eventCancel(); | |
event_({ | |
type: "drag", | |
x: p[0] + offset[0], | |
y: p[1] + offset[1], | |
dx: dx, | |
dy: dy | |
}); | |
} | |
function dragend() { | |
event_({ | |
type: "dragend" | |
}); | |
if (moved) { | |
d3_eventCancel(); | |
if (d3.event.target === eventTarget) w.on("click.drag", click, true); | |
} | |
w.on("mousemove.drag", null).on("touchmove.drag", null).on("mouseup.drag", null).on("touchend.drag", null); | |
} | |
function click() { | |
d3_eventCancel(); | |
w.on("click.drag", null); | |
} | |
} | |
drag.origin = function(x) { | |
if (!arguments.length) return origin; | |
origin = x; | |
return drag; | |
}; | |
return d3.rebind(drag, event, "on"); | |
}; | |
d3.behavior.zoom = function() { | |
var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime; | |
function zoom() { | |
this.on("mousedown.zoom", mousedown).on("mousewheel.zoom", mousewheel).on("mousemove.zoom", mousemove).on("DOMMouseScroll.zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart); | |
} | |
zoom.translate = function(x) { | |
if (!arguments.length) return translate; | |
translate = x.map(Number); | |
return zoom; | |
}; | |
zoom.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = +x; | |
return zoom; | |
}; | |
zoom.scaleExtent = function(x) { | |
if (!arguments.length) return scaleExtent; | |
scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number); | |
return zoom; | |
}; | |
zoom.x = function(z) { | |
if (!arguments.length) return x1; | |
x1 = z; | |
x0 = z.copy(); | |
return zoom; | |
}; | |
zoom.y = function(z) { | |
if (!arguments.length) return y1; | |
y1 = z; | |
y0 = z.copy(); | |
return zoom; | |
}; | |
function location(p) { | |
return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ]; | |
} | |
function point(l) { | |
return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ]; | |
} | |
function scaleTo(s) { | |
scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); | |
} | |
function translateTo(p, l) { | |
l = point(l); | |
translate[0] += p[0] - l[0]; | |
translate[1] += p[1] - l[1]; | |
} | |
function dispatch(event) { | |
if (x1) x1.domain(x0.range().map(function(x) { | |
return (x - translate[0]) / scale; | |
}).map(x0.invert)); | |
if (y1) y1.domain(y0.range().map(function(y) { | |
return (y - translate[1]) / scale; | |
}).map(y0.invert)); | |
d3.event.preventDefault(); | |
event({ | |
type: "zoom", | |
scale: scale, | |
translate: translate | |
}); | |
} | |
function mousedown() { | |
var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target)); | |
window.focus(); | |
d3_eventCancel(); | |
function mousemove() { | |
moved = 1; | |
translateTo(d3.mouse(target), l); | |
dispatch(event_); | |
} | |
function mouseup() { | |
if (moved) d3_eventCancel(); | |
w.on("mousemove.zoom", null).on("mouseup.zoom", null); | |
if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true); | |
} | |
function click() { | |
d3_eventCancel(); | |
w.on("click.zoom", null); | |
} | |
} | |
function mousewheel() { | |
if (!translate0) translate0 = location(d3.mouse(this)); | |
scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale); | |
translateTo(d3.mouse(this), translate0); | |
dispatch(event.of(this, arguments)); | |
} | |
function mousemove() { | |
translate0 = null; | |
} | |
function dblclick() { | |
var p = d3.mouse(this), l = location(p); | |
scaleTo(d3.event.shiftKey ? scale / 2 : scale * 2); | |
translateTo(p, l); | |
dispatch(event.of(this, arguments)); | |
} | |
function touchstart() { | |
var touches = d3.touches(this), now = Date.now(); | |
scale0 = scale; | |
translate0 = {}; | |
touches.forEach(function(t) { | |
translate0[t.identifier] = location(t); | |
}); | |
d3_eventCancel(); | |
if (touches.length === 1) { | |
if (now - touchtime < 500) { | |
var p = touches[0], l = location(touches[0]); | |
scaleTo(scale * 2); | |
translateTo(p, l); | |
dispatch(event.of(this, arguments)); | |
} | |
touchtime = now; | |
} | |
} | |
function touchmove() { | |
var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier]; | |
if (p1 = touches[1]) { | |
var p1, l1 = translate0[p1.identifier]; | |
p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; | |
l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; | |
scaleTo(d3.event.scale * scale0); | |
} | |
translateTo(p0, l0); | |
touchtime = null; | |
dispatch(event.of(this, arguments)); | |
} | |
return d3.rebind(zoom, event, "on"); | |
}; | |
var d3_behavior_zoomDiv, d3_behavior_zoomInfinity = [ 0, Infinity ]; | |
function d3_behavior_zoomDelta() { | |
if (!d3_behavior_zoomDiv) { | |
d3_behavior_zoomDiv = d3.select("body").append("div").style("visibility", "hidden").style("top", 0).style("height", 0).style("width", 0).style("overflow-y", "scroll").append("div").style("height", "2000px").node().parentNode; | |
} | |
var e = d3.event, delta; | |
try { | |
d3_behavior_zoomDiv.scrollTop = 1e3; | |
d3_behavior_zoomDiv.dispatchEvent(e); | |
delta = 1e3 - d3_behavior_zoomDiv.scrollTop; | |
} catch (error) { | |
delta = e.wheelDelta || -e.detail * 5; | |
} | |
return delta; | |
} | |
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 * Math.PI - 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, interval, nodes = [], links = [], distances, strengths, charges; | |
function repulse(node) { | |
return function(quad, x1, y1, x2, y2) { | |
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 = d3_functor(x); | |
return force; | |
}; | |
force.distance = force.linkDistance; | |
force.linkStrength = function(x) { | |
if (!arguments.length) return linkStrength; | |
linkStrength = d3_functor(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; | |
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; | |
} | |
distances = []; | |
strengths = []; | |
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]; | |
distances[i] = linkDistance.call(this, o, i); | |
strengths[i] = linkStrength.call(this, o, i); | |
++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; | |
} | |
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", dragstart).on("drag", d3_layout_forceDrag).on("dragend", d3_layout_forceDragEnd); | |
this.on("mouseover.force", d3_layout_forceDragOver).on("mouseout.force", d3_layout_forceDragOut).call(drag); | |
}; | |
function dragstart(d) { | |
d3_layout_forceDragOver(d3_layout_forceDragNode = d); | |
d3_layout_forceDragForce = force; | |
} | |
return d3.rebind(force, event, "on"); | |
}; | |
var d3_layout_forceDragForce, d3_layout_forceDragNode; | |
function d3_layout_forceDragOver(d) { | |
d.fixed |= 2; | |
} | |
function d3_layout_forceDragOut(d) { | |
if (d !== d3_layout_forceDragNode) d.fixed &= 1; | |
} | |
function d3_layout_forceDragEnd() { | |
d3_layout_forceDragNode.fixed &= 1; | |
d3_layout_forceDragForce = d3_layout_forceDragNode = null; | |
} | |
function d3_layout_forceDrag() { | |
d3_layout_forceDragNode.px = d3.event.x; | |
d3_layout_forceDragNode.py = d3.event.y; | |
d3_layout_forceDragForce.resume(); | |
} | |
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; | |
} | |
function d3_layout_forceLinkDistance(link) { | |
return 20; | |
} | |
function d3_layout_forceLinkStrength(link) { | |
return 1; | |
} | |
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 * Math.PI; | |
function pie(data, i) { | |
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) - startAngle) / 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, i) { | |
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, max = 0, 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.hierarchy = function() { | |
var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; | |
function recurse(data, depth, nodes) { | |
var childs = children.call(hierarchy, data, depth), node = d3_layout_hierarchyInline ? data : { | |
data: data | |
}; | |
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, data, 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, d3_layout_hierarchyInline ? node : node.data, 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.links = d3_layout_hierarchyLinks; | |
object.nodes = function(d) { | |
d3_layout_hierarchyInline = true; | |
return (object.nodes = object)(d); | |
}; | |
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 | |
}; | |
}); | |
})); | |
} | |
var d3_layout_hierarchyInline = false; | |
d3.layout.pack = function() { | |
var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ]; | |
function pack(d, i) { | |
var nodes = hierarchy.call(this, d, i), root = nodes[0]; | |
root.x = 0; | |
root.y = 0; | |
d3_layout_treeVisitAfter(root, function(d) { | |
d.r = Math.sqrt(d.value); | |
}); | |
d3_layout_treeVisitAfter(root, d3_layout_packSiblings); | |
var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h); | |
if (padding > 0) { | |
var dr = padding * k / 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; | |
}); | |
k = Math.max(2 * root.r / w, 2 * root.r / h); | |
} | |
d3_layout_packTransform(root, w / 2, h / 2, 1 / k); | |
return nodes; | |
} | |
pack.size = function(x) { | |
if (!arguments.length) return size; | |
size = x; | |
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 dr * dr - dx * dx - dy * dy > .001; | |
} | |
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 ]; | |
function cluster(d, i) { | |
var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0, kx, ky; | |
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, 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 size; | |
size = x; | |
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.tree = function() { | |
var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ]; | |
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, 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 size; | |
size = x; | |
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.treemap = function() { | |
var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, 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 = 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 ((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; | |
}; | |
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 | |
}; | |
} | |
function d3_dsv(delimiter, mimeType) { | |
var reParse = new RegExp("\r\n|[" + delimiter + "\r\n]", "g"), reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); | |
function dsv(url, callback) { | |
d3.text(url, mimeType, function(text) { | |
callback(text && dsv.parse(text)); | |
}); | |
} | |
dsv.parse = function(text) { | |
var header; | |
return dsv.parseRows(text, function(row, i) { | |
if (i) { | |
var o = {}, j = -1, m = header.length; | |
while (++j < m) o[header[j]] = row[j]; | |
return o; | |
} else { | |
header = row; | |
return null; | |
} | |
}); | |
}; | |
dsv.parseRows = function(text, f) { | |
var EOL = {}, EOF = {}, rows = [], n = 0, t, eol; | |
reParse.lastIndex = 0; | |
function token() { | |
if (reParse.lastIndex >= text.length) return EOF; | |
if (eol) { | |
eol = false; | |
return EOL; | |
} | |
var j = reParse.lastIndex; | |
if (text.charCodeAt(j) === 34) { | |
var i = j; | |
while (i++ < text.length) { | |
if (text.charCodeAt(i) === 34) { | |
if (text.charCodeAt(i + 1) !== 34) break; | |
i++; | |
} | |
} | |
reParse.lastIndex = i + 2; | |
var c = text.charCodeAt(i + 1); | |
if (c === 13) { | |
eol = true; | |
if (text.charCodeAt(i + 2) === 10) reParse.lastIndex++; | |
} else if (c === 10) { | |
eol = true; | |
} | |
return text.substring(j + 1, i).replace(/""/g, '"'); | |
} | |
var m = reParse.exec(text); | |
if (m) { | |
eol = m[0].charCodeAt(0) !== delimiterCode; | |
return text.substring(j, m.index); | |
} | |
reParse.lastIndex = text.length; | |
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) { | |
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("\t", "text/tab-separated-values"); | |
d3.geo = {}; | |
var d3_geo_radians = Math.PI / 180; | |
d3.geo.azimuthal = function() { | |
var mode = "orthographic", origin, scale = 200, translate = [ 480, 250 ], x0, y0, cy0, sy0; | |
function azimuthal(coordinates) { | |
var x1 = coordinates[0] * d3_geo_radians - x0, y1 = coordinates[1] * d3_geo_radians, cx1 = Math.cos(x1), sx1 = Math.sin(x1), cy1 = Math.cos(y1), sy1 = Math.sin(y1), cc = mode !== "orthographic" ? sy0 * sy1 + cy0 * cy1 * cx1 : null, c, k = mode === "stereographic" ? 1 / (1 + cc) : mode === "gnomonic" ? 1 / cc : mode === "equidistant" ? (c = Math.acos(cc), c ? c / Math.sin(c) : 0) : mode === "equalarea" ? Math.sqrt(2 / (1 + cc)) : 1, x = k * cy1 * sx1, y = k * (sy0 * cy1 * cx1 - cy0 * sy1); | |
return [ scale * x + translate[0], scale * y + translate[1] ]; | |
} | |
azimuthal.invert = function(coordinates) { | |
var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale, p = Math.sqrt(x * x + y * y), c = mode === "stereographic" ? 2 * Math.atan(p) : mode === "gnomonic" ? Math.atan(p) : mode === "equidistant" ? p : mode === "equalarea" ? 2 * Math.asin(.5 * p) : Math.asin(p), sc = Math.sin(c), cc = Math.cos(c); | |
return [ (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_geo_radians, Math.asin(cc * sy0 - (p ? y * sc * cy0 / p : 0)) / d3_geo_radians ]; | |
}; | |
azimuthal.mode = function(x) { | |
if (!arguments.length) return mode; | |
mode = x + ""; | |
return azimuthal; | |
}; | |
azimuthal.origin = function(x) { | |
if (!arguments.length) return origin; | |
origin = x; | |
x0 = origin[0] * d3_geo_radians; | |
y0 = origin[1] * d3_geo_radians; | |
cy0 = Math.cos(y0); | |
sy0 = Math.sin(y0); | |
return azimuthal; | |
}; | |
azimuthal.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = +x; | |
return azimuthal; | |
}; | |
azimuthal.translate = function(x) { | |
if (!arguments.length) return translate; | |
translate = [ +x[0], +x[1] ]; | |
return azimuthal; | |
}; | |
return azimuthal.origin([ 0, 0 ]); | |
}; | |
d3.geo.albers = function() { | |
var origin = [ -98, 38 ], parallels = [ 29.5, 45.5 ], scale = 1e3, translate = [ 480, 250 ], lng0, n, C, p0; | |
function albers(coordinates) { | |
var t = n * (d3_geo_radians * coordinates[0] - lng0), p = Math.sqrt(C - 2 * n * Math.sin(d3_geo_radians * coordinates[1])) / n; | |
return [ scale * p * Math.sin(t) + translate[0], scale * (p * Math.cos(t) - p0) + translate[1] ]; | |
} | |
albers.invert = function(coordinates) { | |
var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale, p0y = p0 + y, t = Math.atan2(x, p0y), p = Math.sqrt(x * x + p0y * p0y); | |
return [ (lng0 + t / n) / d3_geo_radians, Math.asin((C - p * p * n * n) / (2 * n)) / d3_geo_radians ]; | |
}; | |
function reload() { | |
var phi1 = d3_geo_radians * parallels[0], phi2 = d3_geo_radians * parallels[1], lat0 = d3_geo_radians * origin[1], s = Math.sin(phi1), c = Math.cos(phi1); | |
lng0 = d3_geo_radians * origin[0]; | |
n = .5 * (s + Math.sin(phi2)); | |
C = c * c + 2 * n * s; | |
p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n; | |
return albers; | |
} | |
albers.origin = function(x) { | |
if (!arguments.length) return origin; | |
origin = [ +x[0], +x[1] ]; | |
return reload(); | |
}; | |
albers.parallels = function(x) { | |
if (!arguments.length) return parallels; | |
parallels = [ +x[0], +x[1] ]; | |
return reload(); | |
}; | |
albers.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = +x; | |
return albers; | |
}; | |
albers.translate = function(x) { | |
if (!arguments.length) return translate; | |
translate = [ +x[0], +x[1] ]; | |
return albers; | |
}; | |
return reload(); | |
}; | |
d3.geo.albersUsa = function() { | |
var lower48 = d3.geo.albers(); | |
var alaska = d3.geo.albers().origin([ -160, 60 ]).parallels([ 55, 65 ]); | |
var hawaii = d3.geo.albers().origin([ -160, 20 ]).parallels([ 8, 18 ]); | |
var puertoRico = d3.geo.albers().origin([ -60, 10 ]).parallels([ 8, 18 ]); | |
function albersUsa(coordinates) { | |
var lon = coordinates[0], lat = coordinates[1]; | |
return (lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48)(coordinates); | |
} | |
albersUsa.scale = function(x) { | |
if (!arguments.length) return lower48.scale(); | |
lower48.scale(x); | |
alaska.scale(x * .6); | |
hawaii.scale(x); | |
puertoRico.scale(x * 1.5); | |
return albersUsa.translate(lower48.translate()); | |
}; | |
albersUsa.translate = function(x) { | |
if (!arguments.length) return lower48.translate(); | |
var dz = lower48.scale() / 1e3, dx = x[0], dy = x[1]; | |
lower48.translate(x); | |
alaska.translate([ dx - 400 * dz, dy + 170 * dz ]); | |
hawaii.translate([ dx - 190 * dz, dy + 200 * dz ]); | |
puertoRico.translate([ dx + 580 * dz, dy + 430 * dz ]); | |
return albersUsa; | |
}; | |
return albersUsa.scale(lower48.scale()); | |
}; | |
d3.geo.bonne = function() { | |
var scale = 200, translate = [ 480, 250 ], x0, y0, y1, c1; | |
function bonne(coordinates) { | |
var x = coordinates[0] * d3_geo_radians - x0, y = coordinates[1] * d3_geo_radians - y0; | |
if (y1) { | |
var p = c1 + y1 - y, E = x * Math.cos(y) / p; | |
x = p * Math.sin(E); | |
y = p * Math.cos(E) - c1; | |
} else { | |
x *= Math.cos(y); | |
y *= -1; | |
} | |
return [ scale * x + translate[0], scale * y + translate[1] ]; | |
} | |
bonne.invert = function(coordinates) { | |
var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale; | |
if (y1) { | |
var c = c1 + y, p = Math.sqrt(x * x + c * c); | |
y = c1 + y1 - p; | |
x = x0 + p * Math.atan2(x, c) / Math.cos(y); | |
} else { | |
y *= -1; | |
x /= Math.cos(y); | |
} | |
return [ x / d3_geo_radians, y / d3_geo_radians ]; | |
}; | |
bonne.parallel = function(x) { | |
if (!arguments.length) return y1 / d3_geo_radians; | |
c1 = 1 / Math.tan(y1 = x * d3_geo_radians); | |
return bonne; | |
}; | |
bonne.origin = function(x) { | |
if (!arguments.length) return [ x0 / d3_geo_radians, y0 / d3_geo_radians ]; | |
x0 = x[0] * d3_geo_radians; | |
y0 = x[1] * d3_geo_radians; | |
return bonne; | |
}; | |
bonne.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = +x; | |
return bonne; | |
}; | |
bonne.translate = function(x) { | |
if (!arguments.length) return translate; | |
translate = [ +x[0], +x[1] ]; | |
return bonne; | |
}; | |
return bonne.origin([ 0, 0 ]).parallel(45); | |
}; | |
d3.geo.equirectangular = function() { | |
var scale = 500, translate = [ 480, 250 ]; | |
function equirectangular(coordinates) { | |
var x = coordinates[0] / 360, y = -coordinates[1] / 360; | |
return [ scale * x + translate[0], scale * y + translate[1] ]; | |
} | |
equirectangular.invert = function(coordinates) { | |
var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale; | |
return [ 360 * x, -360 * y ]; | |
}; | |
equirectangular.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = +x; | |
return equirectangular; | |
}; | |
equirectangular.translate = function(x) { | |
if (!arguments.length) return translate; | |
translate = [ +x[0], +x[1] ]; | |
return equirectangular; | |
}; | |
return equirectangular; | |
}; | |
d3.geo.mercator = function() { | |
var scale = 500, translate = [ 480, 250 ]; | |
function mercator(coordinates) { | |
var x = coordinates[0] / 360, y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_geo_radians / 2)) / d3_geo_radians) / 360; | |
return [ scale * x + translate[0], scale * Math.max(-.5, Math.min(.5, y)) + translate[1] ]; | |
} | |
mercator.invert = function(coordinates) { | |
var x = (coordinates[0] - translate[0]) / scale, y = (coordinates[1] - translate[1]) / scale; | |
return [ 360 * x, 2 * Math.atan(Math.exp(-360 * y * d3_geo_radians)) / d3_geo_radians - 90 ]; | |
}; | |
mercator.scale = function(x) { | |
if (!arguments.length) return scale; | |
scale = +x; | |
return mercator; | |
}; | |
mercator.translate = function(x) { | |
if (!arguments.length) return translate; | |
translate = [ +x[0], +x[1] ]; | |
return mercator; | |
}; | |
return mercator; | |
}; | |
function d3_geo_type(types, defaultValue) { | |
return function(object) { | |
return object && types.hasOwnProperty(object.type) ? types[object.type](object) : defaultValue; | |
}; | |
} | |
d3.geo.path = function() { | |
var pointRadius = 4.5, pointCircle = d3_path_circle(pointRadius), projection = d3.geo.albersUsa(), buffer = []; | |
function path(d, i) { | |
if (typeof pointRadius === "function") pointCircle = d3_path_circle(pointRadius.apply(this, arguments)); | |
pathType(d); | |
var result = buffer.length ? buffer.join("") : null; | |
buffer = []; | |
return result; | |
} | |
function project(coordinates) { | |
return projection(coordinates).join(","); | |
} | |
var pathType = d3_geo_type({ | |
FeatureCollection: function(o) { | |
var features = o.features, i = -1, n = features.length; | |
while (++i < n) buffer.push(pathType(features[i].geometry)); | |
}, | |
Feature: function(o) { | |
pathType(o.geometry); | |
}, | |
Point: function(o) { | |
buffer.push("M", project(o.coordinates), pointCircle); | |
}, | |
MultiPoint: function(o) { | |
var coordinates = o.coordinates, i = -1, n = coordinates.length; | |
while (++i < n) buffer.push("M", project(coordinates[i]), pointCircle); | |
}, | |
LineString: function(o) { | |
var coordinates = o.coordinates, i = -1, n = coordinates.length; | |
buffer.push("M"); | |
while (++i < n) buffer.push(project(coordinates[i]), "L"); | |
buffer.pop(); | |
}, | |
MultiLineString: function(o) { | |
var coordinates = o.coordinates, i = -1, n = coordinates.length, subcoordinates, j, m; | |
while (++i < n) { | |
subcoordinates = coordinates[i]; | |
j = -1; | |
m = subcoordinates.length; | |
buffer.push("M"); | |
while (++j < m) buffer.push(project(subcoordinates[j]), "L"); | |
buffer.pop(); | |
} | |
}, | |
Polygon: function(o) { | |
var coordinates = o.coordinates, i = -1, n = coordinates.length, subcoordinates, j, m; | |
while (++i < n) { | |
subcoordinates = coordinates[i]; | |
j = -1; | |
if ((m = subcoordinates.length - 1) > 0) { | |
buffer.push("M"); | |
while (++j < m) buffer.push(project(subcoordinates[j]), "L"); | |
buffer[buffer.length - 1] = "Z"; | |
} | |
} | |
}, | |
MultiPolygon: function(o) { | |
var coordinates = o.coordinates, i = -1, n = coordinates.length, subcoordinates, j, m, subsubcoordinates, k, p; | |
while (++i < n) { | |
subcoordinates = coordinates[i]; | |
j = -1; | |
m = subcoordinates.length; | |
while (++j < m) { | |
subsubcoordinates = subcoordinates[j]; | |
k = -1; | |
if ((p = subsubcoordinates.length - 1) > 0) { | |
buffer.push("M"); | |
while (++k < p) buffer.push(project(subsubcoordinates[k]), "L"); | |
buffer[buffer.length - 1] = "Z"; | |
} | |
} | |
} | |
}, | |
GeometryCollection: function(o) { | |
var geometries = o.geometries, i = -1, n = geometries.length; | |
while (++i < n) buffer.push(pathType(geometries[i])); | |
} | |
}); | |
var areaType = path.area = d3_geo_type({ | |
FeatureCollection: function(o) { | |
var area = 0, features = o.features, i = -1, n = features.length; | |
while (++i < n) area += areaType(features[i]); | |
return area; | |
}, | |
Feature: function(o) { | |
return areaType(o.geometry); | |
}, | |
Polygon: function(o) { | |
return polygonArea(o.coordinates); | |
}, | |
MultiPolygon: function(o) { | |
var sum = 0, coordinates = o.coordinates, i = -1, n = coordinates.length; | |
while (++i < n) sum += polygonArea(coordinates[i]); | |
return sum; | |
}, | |
GeometryCollection: function(o) { | |
var sum = 0, geometries = o.geometries, i = -1, n = geometries.length; | |
while (++i < n) sum += areaType(geometries[i]); | |
return sum; | |
} | |
}, 0); | |
function polygonArea(coordinates) { | |
var sum = area(coordinates[0]), i = 0, n = coordinates.length; | |
while (++i < n) sum -= area(coordinates[i]); | |
return sum; | |
} | |
function polygonCentroid(coordinates) { | |
var polygon = d3.geom.polygon(coordinates[0].map(projection)), area = polygon.area(), centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1), x = centroid[0], y = centroid[1], z = area, i = 0, n = coordinates.length; | |
while (++i < n) { | |
polygon = d3.geom.polygon(coordinates[i].map(projection)); | |
area = polygon.area(); | |
centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1); | |
x -= centroid[0]; | |
y -= centroid[1]; | |
z -= area; | |
} | |
return [ x, y, 6 * z ]; | |
} | |
var centroidType = path.centroid = d3_geo_type({ | |
Feature: function(o) { | |
return centroidType(o.geometry); | |
}, | |
Polygon: function(o) { | |
var centroid = polygonCentroid(o.coordinates); | |
return [ centroid[0] / centroid[2], centroid[1] / centroid[2] ]; | |
}, | |
MultiPolygon: function(o) { | |
var area = 0, coordinates = o.coordinates, centroid, x = 0, y = 0, z = 0, i = -1, n = coordinates.length; | |
while (++i < n) { | |
centroid = polygonCentroid(coordinates[i]); | |
x += centroid[0]; | |
y += centroid[1]; | |
z += centroid[2]; | |
} | |
return [ x / z, y / z ]; | |
} | |
}); | |
function area(coordinates) { | |
return Math.abs(d3.geom.polygon(coordinates.map(projection)).area()); | |
} | |
path.projection = function(x) { | |
projection = x; | |
return path; | |
}; | |
path.pointRadius = function(x) { | |
if (typeof x === "function") pointRadius = x; else { | |
pointRadius = +x; | |
pointCircle = d3_path_circle(pointRadius); | |
} | |
return path; | |
}; | |
return path; | |
}; | |
function d3_path_circle(radius) { | |
return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z"; | |
} | |
d3.geo.bounds = function(feature) { | |
var left = Infinity, bottom = Infinity, right = -Infinity, top = -Infinity; | |
d3_geo_bounds(feature, function(x, y) { | |
if (x < left) left = x; | |
if (x > right) right = x; | |
if (y < bottom) bottom = y; | |
if (y > top) top = y; | |
}); | |
return [ [ left, bottom ], [ right, top ] ]; | |
}; | |
function d3_geo_bounds(o, f) { | |
if (d3_geo_boundsTypes.hasOwnProperty(o.type)) d3_geo_boundsTypes[o.type](o, f); | |
} | |
var d3_geo_boundsTypes = { | |
Feature: d3_geo_boundsFeature, | |
FeatureCollection: d3_geo_boundsFeatureCollection, | |
GeometryCollection: d3_geo_boundsGeometryCollection, | |
LineString: d3_geo_boundsLineString, | |
MultiLineString: d3_geo_boundsMultiLineString, | |
MultiPoint: d3_geo_boundsLineString, | |
MultiPolygon: d3_geo_boundsMultiPolygon, | |
Point: d3_geo_boundsPoint, | |
Polygon: d3_geo_boundsPolygon | |
}; | |
function d3_geo_boundsFeature(o, f) { | |
d3_geo_bounds(o.geometry, f); | |
} | |
function d3_geo_boundsFeatureCollection(o, f) { | |
for (var a = o.features, i = 0, n = a.length; i < n; i++) { | |
d3_geo_bounds(a[i].geometry, f); | |
} | |
} | |
function d3_geo_boundsGeometryCollection(o, f) { | |
for (var a = o.geometries, i = 0, n = a.length; i < n; i++) { | |
d3_geo_bounds(a[i], f); | |
} | |
} | |
function d3_geo_boundsLineString(o, f) { | |
for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) { | |
f.apply(null, a[i]); | |
} | |
} | |
function d3_geo_boundsMultiLineString(o, f) { | |
for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) { | |
for (var b = a[i], j = 0, m = b.length; j < m; j++) { | |
f.apply(null, b[j]); | |
} | |
} | |
} | |
function d3_geo_boundsMultiPolygon(o, f) { | |
for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) { | |
for (var b = a[i][0], j = 0, m = b.length; j < m; j++) { | |
f.apply(null, b[j]); | |
} | |
} | |
} | |
function d3_geo_boundsPoint(o, f) { | |
f.apply(null, o.coordinates); | |
} | |
function d3_geo_boundsPolygon(o, f) { | |
for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) { | |
f.apply(null, a[i]); | |
} | |
} | |
d3.geo.circle = function() { | |
var origin = [ 0, 0 ], degrees = 90 - .01, radians = degrees * d3_geo_radians, arc = d3.geo.greatArc().source(origin).target(d3_identity); | |
function circle() {} | |
function visible(point) { | |
return arc.distance(point) < radians; | |
} | |
circle.clip = function(d) { | |
if (typeof origin === "function") arc.source(origin.apply(this, arguments)); | |
return clipType(d) || null; | |
}; | |
var clipType = d3_geo_type({ | |
FeatureCollection: function(o) { | |
var features = o.features.map(clipType).filter(d3_identity); | |
return features && (o = Object.create(o), o.features = features, o); | |
}, | |
Feature: function(o) { | |
var geometry = clipType(o.geometry); | |
return geometry && (o = Object.create(o), o.geometry = geometry, o); | |
}, | |
Point: function(o) { | |
return visible(o.coordinates) && o; | |
}, | |
MultiPoint: function(o) { | |
var coordinates = o.coordinates.filter(visible); | |
return coordinates.length && { | |
type: o.type, | |
coordinates: coordinates | |
}; | |
}, | |
LineString: function(o) { | |
var coordinates = clip(o.coordinates); | |
return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o); | |
}, | |
MultiLineString: function(o) { | |
var coordinates = o.coordinates.map(clip).filter(function(d) { | |
return d.length; | |
}); | |
return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o); | |
}, | |
Polygon: function(o) { | |
var coordinates = o.coordinates.map(clip); | |
return coordinates[0].length && (o = Object.create(o), o.coordinates = coordinates, o); | |
}, | |
MultiPolygon: function(o) { | |
var coordinates = o.coordinates.map(function(d) { | |
return d.map(clip); | |
}).filter(function(d) { | |
return d[0].length; | |
}); | |
return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o); | |
}, | |
GeometryCollection: function(o) { | |
var geometries = o.geometries.map(clipType).filter(d3_identity); | |
return geometries.length && (o = Object.create(o), o.geometries = geometries, o); | |
} | |
}); | |
function clip(coordinates) { | |
var i = -1, n = coordinates.length, clipped = [], p0, p1, p2, d0, d1; | |
while (++i < n) { | |
d1 = arc.distance(p2 = coordinates[i]); | |
if (d1 < radians) { | |
if (p1) clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1))); | |
clipped.push(p2); | |
p0 = p1 = null; | |
} else { | |
p1 = p2; | |
if (!p0 && clipped.length) { | |
clipped.push(d3_geo_greatArcInterpolate(clipped[clipped.length - 1], p1)((radians - d0) / (d1 - d0))); | |
p0 = p1; | |
} | |
} | |
d0 = d1; | |
} | |
p0 = coordinates[0]; | |
p1 = clipped[0]; | |
if (p1 && p2[0] === p0[0] && p2[1] === p0[1] && !(p2[0] === p1[0] && p2[1] === p1[1])) { | |
clipped.push(p1); | |
} | |
return resample(clipped); | |
} | |
function resample(coordinates) { | |
var i = 0, n = coordinates.length, j, m, resampled = n ? [ coordinates[0] ] : coordinates, resamples, origin = arc.source(); | |
while (++i < n) { | |
resamples = arc.source(coordinates[i - 1])(coordinates[i]).coordinates; | |
for (j = 0, m = resamples.length; ++j < m; ) resampled.push(resamples[j]); | |
} | |
arc.source(origin); | |
return resampled; | |
} | |
circle.origin = function(x) { | |
if (!arguments.length) return origin; | |
origin = x; | |
if (typeof origin !== "function") arc.source(origin); | |
return circle; | |
}; | |
circle.angle = function(x) { | |
if (!arguments.length) return degrees; | |
radians = (degrees = +x) * d3_geo_radians; | |
return circle; | |
}; | |
return d3.rebind(circle, arc, "precision"); | |
}; | |
d3.geo.greatArc = function() { | |
var source = d3_geo_greatArcSource, p0, target = d3_geo_greatArcTarget, p1, precision = 6 * d3_geo_radians, interpolate = d3_geo_greatArcInterpolator(); | |
function greatArc() { | |
var d = greatArc.distance.apply(this, arguments), t = 0, dt = precision / d, coordinates = [ p0 ]; | |
while ((t += dt) < 1) coordinates.push(interpolate(t)); | |
coordinates.push(p1); | |
return { | |
type: "LineString", | |
coordinates: coordinates | |
}; | |
} | |
greatArc.distance = function() { | |
if (typeof source === "function") interpolate.source(p0 = source.apply(this, arguments)); | |
if (typeof target === "function") interpolate.target(p1 = target.apply(this, arguments)); | |
return interpolate.distance(); | |
}; | |
greatArc.source = function(_) { | |
if (!arguments.length) return source; | |
source = _; | |
if (typeof source !== "function") interpolate.source(p0 = source); | |
return greatArc; | |
}; | |
greatArc.target = function(_) { | |
if (!arguments.length) return target; | |
target = _; | |
if (typeof target !== "function") interpolate.target(p1 = target); | |
return greatArc; | |
}; | |
greatArc.precision = function(_) { | |
if (!arguments.length) return precision / d3_geo_radians; | |
precision = _ * d3_geo_radians; | |
return greatArc; | |
}; | |
return greatArc; | |
}; | |
function d3_geo_greatArcSource(d) { | |
return d.source; | |
} | |
function d3_geo_greatArcTarget(d) { | |
return d.target; | |
} | |
function d3_geo_greatArcInterpolator() { | |
var x0, y0, cy0, sy0, kx0, ky0, x1, y1, cy1, sy1, kx1, ky1, d, k; | |
function interpolate(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_geo_radians, Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_geo_radians ]; | |
} | |
interpolate.distance = function() { | |
if (d == null) k = 1 / Math.sin(d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0))))); | |
return d; | |
}; | |
interpolate.source = function(_) { | |
var cx0 = Math.cos(x0 = _[0] * d3_geo_radians), sx0 = Math.sin(x0); | |
cy0 = Math.cos(y0 = _[1] * d3_geo_radians); | |
sy0 = Math.sin(y0); | |
kx0 = cy0 * cx0; | |
ky0 = cy0 * sx0; | |
d = null; | |
return interpolate; | |
}; | |
interpolate.target = function(_) { | |
var cx1 = Math.cos(x1 = _[0] * d3_geo_radians), sx1 = Math.sin(x1); | |
cy1 = Math.cos(y1 = _[1] * d3_geo_radians); | |
sy1 = Math.sin(y1); | |
kx1 = cy1 * cx1; | |
ky1 = cy1 * sx1; | |
d = null; | |
return interpolate; | |
}; | |
return interpolate; | |
} | |
function d3_geo_greatArcInterpolate(a, b) { | |
var i = d3_geo_greatArcInterpolator().source(a).target(b); | |
i.distance(); | |
return i; | |
} | |
d3.geo.greatCircle = d3.geo.circle; | |
d3.geom = {}; | |
d3.geom.contour = function(grid, start) { | |
var s = start || d3_geom_contourStart(grid), c = [], x = s[0], y = s[1], dx = 0, dy = 0, pdx = NaN, pdy = NaN, i = 0; | |
do { | |
i = 0; | |
if (grid(x - 1, y - 1)) i += 1; | |
if (grid(x, y - 1)) i += 2; | |
if (grid(x - 1, y)) i += 4; | |
if (grid(x, y)) i += 8; | |
if (i === 6) { | |
dx = pdy === -1 ? -1 : 1; | |
dy = 0; | |
} else if (i === 9) { | |
dx = 0; | |
dy = pdx === 1 ? -1 : 1; | |
} else { | |
dx = d3_geom_contourDx[i]; | |
dy = d3_geom_contourDy[i]; | |
} | |
if (dx != pdx && dy != pdy) { | |
c.push([ x, y ]); | |
pdx = dx; | |
pdy = dy; | |
} | |
x += dx; | |
y += dy; | |
} while (s[0] != x || s[1] != y); | |
return c; | |
}; | |
var d3_geom_contourDx = [ 1, 0, 1, 1, -1, 0, -1, 1, 0, 0, 0, 0, -1, 0, -1, NaN ], d3_geom_contourDy = [ 0, -1, 0, 0, 0, -1, 0, 0, 1, -1, 1, 1, 0, -1, 0, NaN ]; | |
function d3_geom_contourStart(grid) { | |
var x = 0, y = 0; | |
while (true) { | |
if (grid(x, y)) { | |
return [ x, y ]; | |
} | |
if (x === 0) { | |
x = y + 1; | |
y = 0; | |
} else { | |
x = x - 1; | |
y = y + 1; | |
} | |
} | |
} | |
d3.geom.hull = function(vertices) { | |
if (vertices.length < 3) return []; | |
var len = vertices.length, plen = len - 1, points = [], stack = [], i, j, h = 0, x1, y1, x2, y2, u, v, a, sp; | |
for (i = 1; i < len; ++i) { | |
if (vertices[i][1] < vertices[h][1]) { | |
h = i; | |
} else if (vertices[i][1] == vertices[h][1]) { | |
h = vertices[i][0] < vertices[h][0] ? i : h; | |
} | |
} | |
for (i = 0; i < len; ++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; | |
} else { | |
points[u].index = -1; | |
a = points[i].angle; | |
u = i; | |
v = j; | |
} | |
} else { | |
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 === -1) 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 = 0; i < sp; ++i) { | |
poly.push(vertices[stack[i]]); | |
} | |
return poly; | |
}; | |
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) { | |
coordinates.area = function() { | |
var i = 0, n = coordinates.length, a = coordinates[n - 1][0] * coordinates[0][1], b = coordinates[n - 1][1] * coordinates[0][0]; | |
while (++i < n) { | |
a += coordinates[i - 1][0] * coordinates[i][1]; | |
b += coordinates[i - 1][1] * coordinates[i][0]; | |
} | |
return (b - a) * .5; | |
}; | |
coordinates.centroid = function(k) { | |
var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c; | |
if (!arguments.length) k = -1 / (6 * coordinates.area()); | |
while (++i < n) { | |
a = b; | |
b = coordinates[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 ]; | |
}; | |
coordinates.clip = function(subject) { | |
var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d; | |
while (++i < n) { | |
input = subject.slice(); | |
subject.length = 0; | |
b = coordinates[i]; | |
c = input[(m = input.length) - 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; | |
} | |
a = b; | |
} | |
return subject; | |
}; | |
return coordinates; | |
}; | |
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], x2 = d[0], x3 = a[0], x4 = b[0], y1 = c[1], y2 = d[1], y3 = a[1], y4 = b[1], x13 = x1 - x3, x21 = x2 - x1, x43 = x4 - x3, y13 = y1 - y3, y21 = y2 - y1, y43 = y4 - y3, ua = (x43 * y13 - y43 * x13) / (y43 * x21 - x43 * y21); | |
return [ x1 + ua * x21, y1 + ua * y21 ]; | |
} | |
d3.geom.voronoi = function(vertices) { | |
var polygons = vertices.map(function() { | |
return []; | |
}); | |
d3_voronoi_tessellate(vertices, 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 : -1e6; | |
x1 = e.c - e.b * y1; | |
y2 = s2 ? s2.y : 1e6; | |
x2 = e.c - e.b * y2; | |
} else { | |
x1 = s1 ? s1.x : -1e6; | |
y1 = e.c - e.a * x1; | |
x2 = s2 ? s2.x : 1e6; | |
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); | |
}); | |
return polygons.map(function(polygon, i) { | |
var cx = vertices[i][0], cy = vertices[i][1]; | |
polygon.forEach(function(v) { | |
v.angle = Math.atan2(v[0] - cx, v[1] - cy); | |
}); | |
return polygon.sort(function(a, b) { | |
return a.angle - b.angle; | |
}).filter(function(d, i) { | |
return !i || d.angle - polygon[i - 1].angle > 1e-10; | |
}); | |
}); | |
}; | |
var d3_voronoi_opposite = { | |
l: "r", | |
r: "l" | |
}; | |
function d3_voronoi_tessellate(vertices, callback) { | |
var Sites = { | |
list: vertices.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_voronoi_opposite[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_voronoi_opposite[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_voronoi_opposite[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.delaunay = function(vertices) { | |
var edges = vertices.map(function() { | |
return []; | |
}), triangles = []; | |
d3_voronoi_tessellate(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.quadtree = function(points, x1, y1, x2, y2) { | |
var p, i = -1, n = points.length; | |
if (n && isNaN(points[0].x)) points = points.map(d3_geom_quadtreePoint); | |
if (arguments.length < 5) { | |
if (arguments.length === 3) { | |
y2 = x2 = y1; | |
y1 = x1; | |
} else { | |
x1 = y1 = Infinity; | |
x2 = y2 = -Infinity; | |
while (++i < n) { | |
p = points[i]; | |
if (p.x < x1) x1 = p.x; | |
if (p.y < y1) y1 = p.y; | |
if (p.x > x2) x2 = p.x; | |
if (p.y > y2) y2 = p.y; | |
} | |
var dx = x2 - x1, dy = y2 - y1; | |
if (dx > dy) y2 = y1 + dx; else x2 = x1 + dy; | |
} | |
} | |
function insert(n, p, x1, y1, x2, y2) { | |
if (isNaN(p.x) || isNaN(p.y)) return; | |
if (n.leaf) { | |
var v = n.point; | |
if (v) { | |
if (Math.abs(v.x - p.x) + Math.abs(v.y - p.y) < .01) { | |
insertChild(n, p, x1, y1, x2, y2); | |
} else { | |
n.point = null; | |
insertChild(n, v, x1, y1, x2, y2); | |
insertChild(n, p, x1, y1, x2, y2); | |
} | |
} else { | |
n.point = p; | |
} | |
} else { | |
insertChild(n, p, x1, y1, x2, y2); | |
} | |
} | |
function insertChild(n, p, x1, y1, x2, y2) { | |
var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = p.x >= sx, bottom = p.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, p, x1, y1, x2, y2); | |
} | |
var root = d3_geom_quadtreeNode(); | |
root.add = function(p) { | |
insert(root, p, x1, y1, x2, y2); | |
}; | |
root.visit = function(f) { | |
d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2); | |
}; | |
points.forEach(root.add); | |
return root; | |
}; | |
function d3_geom_quadtreeNode() { | |
return { | |
leaf: true, | |
nodes: [], | |
point: 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); | |
} | |
} | |
function d3_geom_quadtreePoint(p) { | |
return { | |
x: p[0], | |
y: p[1] | |
}; | |
} | |
d3.time = {}; | |
var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ]; | |
function d3_time_utc() { | |
this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); | |
} | |
d3_time_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 %H:%M:%S %Y", d3_time_formatDate = "%m/%d/%y", d3_time_formatTime = "%H:%M:%S"; | |
var d3_time_days = d3_time_daySymbols, d3_time_dayAbbreviations = d3_time_days.map(d3_time_formatAbbreviate), d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = d3_time_months.map(d3_time_formatAbbreviate); | |
function d3_time_formatAbbreviate(name) { | |
return name.substring(0, 3); | |
} | |
d3.time.format = function(template) { | |
var n = template.length; | |
function format(date) { | |
var string = [], i = -1, j = 0, c, f; | |
while (++i < n) { | |
if (template.charCodeAt(i) == 37) { | |
string.push(template.substring(j, i), (f = d3_time_formats[c = template.charAt(++i)]) ? f(date) : 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_time; | |
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, i = 0, n = template.length, m = string.length; | |
while (i < n) { | |
if (j >= m) return -1; | |
c = template.charCodeAt(i++); | |
if (c == 37) { | |
p = d3_time_parsers[template.charAt(i++)]; | |
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; | |
} | |
var d3_time_zfill2 = d3.format("02d"), d3_time_zfill3 = d3.format("03d"), d3_time_zfill4 = d3.format("04d"), d3_time_sfill2 = d3.format("2d"); | |
var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(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); | |
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) { | |
return d3_time_zfill2(d.getDate()); | |
}, | |
e: function(d) { | |
return d3_time_sfill2(d.getDate()); | |
}, | |
H: function(d) { | |
return d3_time_zfill2(d.getHours()); | |
}, | |
I: function(d) { | |
return d3_time_zfill2(d.getHours() % 12 || 12); | |
}, | |
j: function(d) { | |
return d3_time_zfill3(1 + d3.time.dayOfYear(d)); | |
}, | |
L: function(d) { | |
return d3_time_zfill3(d.getMilliseconds()); | |
}, | |
m: function(d) { | |
return d3_time_zfill2(d.getMonth() + 1); | |
}, | |
M: function(d) { | |
return d3_time_zfill2(d.getMinutes()); | |
}, | |
p: function(d) { | |
return d.getHours() >= 12 ? "PM" : "AM"; | |
}, | |
S: function(d) { | |
return d3_time_zfill2(d.getSeconds()); | |
}, | |
U: function(d) { | |
return d3_time_zfill2(d3.time.sundayOfYear(d)); | |
}, | |
w: function(d) { | |
return d.getDay(); | |
}, | |
W: function(d) { | |
return d3_time_zfill2(d3.time.mondayOfYear(d)); | |
}, | |
x: d3.time.format(d3_time_formatDate), | |
X: d3.time.format(d3_time_formatTime), | |
y: function(d) { | |
return d3_time_zfill2(d.getFullYear() % 100); | |
}, | |
Y: function(d) { | |
return d3_time_zfill4(d.getFullYear() % 1e4); | |
}, | |
Z: d3_time_zone, | |
"%": function(d) { | |
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, | |
L: d3_time_parseMilliseconds, | |
m: d3_time_parseMonthNumber, | |
M: d3_time_parseMinutes, | |
p: d3_time_parseAmPm, | |
S: d3_time_parseSeconds, | |
x: d3_time_parseLocaleDate, | |
X: d3_time_parseLocaleTime, | |
y: d3_time_parseYear, | |
Y: d3_time_parseFullYear | |
}; | |
function d3_time_parseWeekdayAbbrev(date, string, i) { | |
d3_time_dayAbbrevRe.lastIndex = 0; | |
var n = d3_time_dayAbbrevRe.exec(string.substring(i)); | |
return n ? 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 ? 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_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_zfill2(zh) + d3_time_zfill2(zm); | |
} | |
d3.time.format.utc = function(template) { | |
var local = d3.time.format(template); | |
function format(date) { | |
try { | |
d3_time = d3_time_utc; | |
var utc = new d3_time; | |
utc._ = date; | |
return local(utc); | |
} finally { | |
d3_time = Date; | |
} | |
} | |
format.parse = function(string) { | |
try { | |
d3_time = d3_time_utc; | |
var date = local.parse(string); | |
return date && date._; | |
} finally { | |
d3_time = Date; | |
} | |
}; | |
format.toString = local.toString; | |
return format; | |
}; | |
var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ"); | |
d3.time.format.iso = Date.prototype.toISOString ? 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; | |
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_time(date - 1)), 1); | |
return date; | |
} | |
function offset(date, k) { | |
step(date = new d3_time(+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_time = d3_time_utc; | |
var utc = new d3_time_utc; | |
utc._ = t0; | |
return range(utc, t1, dt); | |
} finally { | |
d3_time = 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_time = d3_time_utc; | |
var utc = new d3_time_utc; | |
utc._ = date; | |
return method(utc, k)._; | |
} finally { | |
d3_time = Date; | |
} | |
}; | |
} | |
d3.time.second = d3_time_interval(function(date) { | |
return new d3_time(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_time(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_time((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.day = d3_time_interval(function(date) { | |
var day = new d3_time(0, date.getMonth(), date.getDate()); | |
day.setFullYear(date.getFullYear()); | |
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.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; | |
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; | |
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; | |
}; | |
scale.nice = function(m) { | |
return scale.domain(d3_scale_nice(scale.domain(), function() { | |
return m; | |
})); | |
}; | |
scale.ticks = function(m, k) { | |
var extent = d3_time_scaleExtent(scale.domain()); | |
if (typeof m !== "function") { | |
var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target); | |
if (i == d3_time_scaleSteps.length) return methods.year(extent, m); | |
if (!i) return linear.ticks(m).map(d3_time_scaleDate); | |
if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i; | |
m = methods[i]; | |
k = m[1]; | |
m = m[0].range; | |
} | |
return m(extent[0], new Date(+extent[1] + 1), k); | |
}; | |
scale.tickFormat = function() { | |
return format; | |
}; | |
scale.copy = function() { | |
return d3_time_scale(linear.copy(), methods, format); | |
}; | |
return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); | |
} | |
function d3_time_scaleExtent(domain) { | |
var start = domain[0], stop = domain[domain.length - 1]; | |
return start < stop ? [ start, stop ] : [ stop, start ]; | |
} | |
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); | |
}; | |
} | |
function d3_time_scaleSetYear(y) { | |
var d = new Date(y, 0, 1); | |
d.setFullYear(y); | |
return d; | |
} | |
function d3_time_scaleGetYear(d) { | |
var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1); | |
return y + (d - d0) / (d1 - d0); | |
} | |
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"), function(d) { | |
return 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_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats); | |
d3_time_scaleLocalMethods.year = function(extent, m) { | |
return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear); | |
}; | |
d3.time.scale = function() { | |
return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); | |
}; | |
var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) { | |
return [ m[0].utc, m[1] ]; | |
}); | |
var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), function(d) { | |
return true; | |
} ], [ d3.time.format.utc("%B"), function(d) { | |
return d.getUTCMonth(); | |
} ], [ d3.time.format.utc("%b %d"), function(d) { | |
return d.getUTCDate() != 1; | |
} ], [ d3.time.format.utc("%a %d"), function(d) { | |
return d.getUTCDay() && d.getUTCDate() != 1; | |
} ], [ d3.time.format.utc("%I %p"), function(d) { | |
return d.getUTCHours(); | |
} ], [ d3.time.format.utc("%I:%M"), function(d) { | |
return d.getUTCMinutes(); | |
} ], [ d3.time.format.utc(":%S"), function(d) { | |
return d.getUTCSeconds(); | |
} ], [ d3.time.format.utc(".%L"), function(d) { | |
return d.getUTCMilliseconds(); | |
} ] ]; | |
var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats); | |
function d3_time_scaleUTCSetYear(y) { | |
var d = new Date(Date.UTC(y, 0, 1)); | |
d.setUTCFullYear(y); | |
return d; | |
} | |
function d3_time_scaleUTCGetYear(d) { | |
var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1); | |
return y + (d - d0) / (d1 - d0); | |
} | |
d3_time_scaleUTCMethods.year = function(extent, m) { | |
return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear); | |
}; | |
d3.time.scale.utc = function() { | |
return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat); | |
}; | |
})(); |
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<html> | |
<head> | |
<title>D3 visual.ly || devBrother</title> | |
<script type="text/javascript" src="d3.v2.js"></script> | |
<style type="text/css"> | |
path { | |
stroke: #fff; | |
} | |
#display { | |
width:50px; | |
height:50px; | |
border:1px solid black; | |
position:absolute; | |
top:10px; | |
left:200px; | |
display:none; | |
background: #eee; | |
font-size:10px; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="display"></div> | |
<script type="text/javascript"> | |
var width = 960, | |
height = 500; | |
var albers = d3.geo.albersUsa().scale(width) ; | |
var path = d3.geo.path().projection(albers); | |
var svg = d3.select("body").append("svg").attr("width", width).attr("height", height); | |
var g = svg.append("g").attr("id", "states"); | |
d3.json("readme.json", function(json) { | |
g.selectAll("path") | |
.data(json.features) | |
.enter().append("path") | |
.attr("d", path) | |
.attr('fill', '#ccc') | |
.on("mouseover", enter) | |
.on("mouseout", exit); | |
}); | |
function enter(d, i){ | |
var centroid = path.centroid(d); | |
var rgb = '#'+Math.floor(Math.random()*16777215).toString(16); | |
var display = d3.select('#display'); | |
d3.select(this).transition().attr('fill', rgb); | |
display.style('top', centroid[1] - 50); | |
display.style('left', centroid[0] - 100); | |
display.style('display', 'block'); | |
display.text(d.properties.name); | |
} | |
function exit(d, i){ | |
d3.select(this).transition().attr('fill', '#ccc'); | |
d3.select('#display').style('display', 'none'); | |
} | |
</script> | |
</body> | |
</html> |
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