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comparison gtc/d3.js @ 137:e508b772c817
myrss2: FEEDS: add waxy.org
author | paulo |
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date | Mon, 09 Jan 2023 12:10:14 +0000 |
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-1:000000000000 | 0:2d3ba80564ec |
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1 !function() { | |
2 var d3 = { | |
3 version: "3.5.17" | |
4 }; | |
5 var d3_arraySlice = [].slice, d3_array = function(list) { | |
6 return d3_arraySlice.call(list); | |
7 }; | |
8 var d3_document = this.document; | |
9 function d3_documentElement(node) { | |
10 return node && (node.ownerDocument || node.document || node).documentElement; | |
11 } | |
12 function d3_window(node) { | |
13 return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView); | |
14 } | |
15 if (d3_document) { | |
16 try { | |
17 d3_array(d3_document.documentElement.childNodes)[0].nodeType; | |
18 } catch (e) { | |
19 d3_array = function(list) { | |
20 var i = list.length, array = new Array(i); | |
21 while (i--) array[i] = list[i]; | |
22 return array; | |
23 }; | |
24 } | |
25 } | |
26 if (!Date.now) Date.now = function() { | |
27 return +new Date(); | |
28 }; | |
29 if (d3_document) { | |
30 try { | |
31 d3_document.createElement("DIV").style.setProperty("opacity", 0, ""); | |
32 } catch (error) { | |
33 var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; | |
34 d3_element_prototype.setAttribute = function(name, value) { | |
35 d3_element_setAttribute.call(this, name, value + ""); | |
36 }; | |
37 d3_element_prototype.setAttributeNS = function(space, local, value) { | |
38 d3_element_setAttributeNS.call(this, space, local, value + ""); | |
39 }; | |
40 d3_style_prototype.setProperty = function(name, value, priority) { | |
41 d3_style_setProperty.call(this, name, value + "", priority); | |
42 }; | |
43 } | |
44 } | |
45 d3.ascending = d3_ascending; | |
46 function d3_ascending(a, b) { | |
47 return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; | |
48 } | |
49 d3.descending = function(a, b) { | |
50 return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; | |
51 }; | |
52 d3.min = function(array, f) { | |
53 var i = -1, n = array.length, a, b; | |
54 if (arguments.length === 1) { | |
55 while (++i < n) if ((b = array[i]) != null && b >= b) { | |
56 a = b; | |
57 break; | |
58 } | |
59 while (++i < n) if ((b = array[i]) != null && a > b) a = b; | |
60 } else { | |
61 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { | |
62 a = b; | |
63 break; | |
64 } | |
65 while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; | |
66 } | |
67 return a; | |
68 }; | |
69 d3.max = function(array, f) { | |
70 var i = -1, n = array.length, a, b; | |
71 if (arguments.length === 1) { | |
72 while (++i < n) if ((b = array[i]) != null && b >= b) { | |
73 a = b; | |
74 break; | |
75 } | |
76 while (++i < n) if ((b = array[i]) != null && b > a) a = b; | |
77 } else { | |
78 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { | |
79 a = b; | |
80 break; | |
81 } | |
82 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; | |
83 } | |
84 return a; | |
85 }; | |
86 d3.extent = function(array, f) { | |
87 var i = -1, n = array.length, a, b, c; | |
88 if (arguments.length === 1) { | |
89 while (++i < n) if ((b = array[i]) != null && b >= b) { | |
90 a = c = b; | |
91 break; | |
92 } | |
93 while (++i < n) if ((b = array[i]) != null) { | |
94 if (a > b) a = b; | |
95 if (c < b) c = b; | |
96 } | |
97 } else { | |
98 while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { | |
99 a = c = b; | |
100 break; | |
101 } | |
102 while (++i < n) if ((b = f.call(array, array[i], i)) != null) { | |
103 if (a > b) a = b; | |
104 if (c < b) c = b; | |
105 } | |
106 } | |
107 return [ a, c ]; | |
108 }; | |
109 function d3_number(x) { | |
110 return x === null ? NaN : +x; | |
111 } | |
112 function d3_numeric(x) { | |
113 return !isNaN(x); | |
114 } | |
115 d3.sum = function(array, f) { | |
116 var s = 0, n = array.length, a, i = -1; | |
117 if (arguments.length === 1) { | |
118 while (++i < n) if (d3_numeric(a = +array[i])) s += a; | |
119 } else { | |
120 while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a; | |
121 } | |
122 return s; | |
123 }; | |
124 d3.mean = function(array, f) { | |
125 var s = 0, n = array.length, a, i = -1, j = n; | |
126 if (arguments.length === 1) { | |
127 while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j; | |
128 } else { | |
129 while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j; | |
130 } | |
131 if (j) return s / j; | |
132 }; | |
133 d3.quantile = function(values, p) { | |
134 var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h; | |
135 return e ? v + e * (values[h] - v) : v; | |
136 }; | |
137 d3.median = function(array, f) { | |
138 var numbers = [], n = array.length, a, i = -1; | |
139 if (arguments.length === 1) { | |
140 while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a); | |
141 } else { | |
142 while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a); | |
143 } | |
144 if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5); | |
145 }; | |
146 d3.variance = function(array, f) { | |
147 var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0; | |
148 if (arguments.length === 1) { | |
149 while (++i < n) { | |
150 if (d3_numeric(a = d3_number(array[i]))) { | |
151 d = a - m; | |
152 m += d / ++j; | |
153 s += d * (a - m); | |
154 } | |
155 } | |
156 } else { | |
157 while (++i < n) { | |
158 if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) { | |
159 d = a - m; | |
160 m += d / ++j; | |
161 s += d * (a - m); | |
162 } | |
163 } | |
164 } | |
165 if (j > 1) return s / (j - 1); | |
166 }; | |
167 d3.deviation = function() { | |
168 var v = d3.variance.apply(this, arguments); | |
169 return v ? Math.sqrt(v) : v; | |
170 }; | |
171 function d3_bisector(compare) { | |
172 return { | |
173 left: function(a, x, lo, hi) { | |
174 if (arguments.length < 3) lo = 0; | |
175 if (arguments.length < 4) hi = a.length; | |
176 while (lo < hi) { | |
177 var mid = lo + hi >>> 1; | |
178 if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid; | |
179 } | |
180 return lo; | |
181 }, | |
182 right: function(a, x, lo, hi) { | |
183 if (arguments.length < 3) lo = 0; | |
184 if (arguments.length < 4) hi = a.length; | |
185 while (lo < hi) { | |
186 var mid = lo + hi >>> 1; | |
187 if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1; | |
188 } | |
189 return lo; | |
190 } | |
191 }; | |
192 } | |
193 var d3_bisect = d3_bisector(d3_ascending); | |
194 d3.bisectLeft = d3_bisect.left; | |
195 d3.bisect = d3.bisectRight = d3_bisect.right; | |
196 d3.bisector = function(f) { | |
197 return d3_bisector(f.length === 1 ? function(d, x) { | |
198 return d3_ascending(f(d), x); | |
199 } : f); | |
200 }; | |
201 d3.shuffle = function(array, i0, i1) { | |
202 if ((m = arguments.length) < 3) { | |
203 i1 = array.length; | |
204 if (m < 2) i0 = 0; | |
205 } | |
206 var m = i1 - i0, t, i; | |
207 while (m) { | |
208 i = Math.random() * m-- | 0; | |
209 t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t; | |
210 } | |
211 return array; | |
212 }; | |
213 d3.permute = function(array, indexes) { | |
214 var i = indexes.length, permutes = new Array(i); | |
215 while (i--) permutes[i] = array[indexes[i]]; | |
216 return permutes; | |
217 }; | |
218 d3.pairs = function(array) { | |
219 var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n); | |
220 while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; | |
221 return pairs; | |
222 }; | |
223 d3.transpose = function(matrix) { | |
224 if (!(n = matrix.length)) return []; | |
225 for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) { | |
226 for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) { | |
227 row[j] = matrix[j][i]; | |
228 } | |
229 } | |
230 return transpose; | |
231 }; | |
232 function d3_transposeLength(d) { | |
233 return d.length; | |
234 } | |
235 d3.zip = function() { | |
236 return d3.transpose(arguments); | |
237 }; | |
238 d3.keys = function(map) { | |
239 var keys = []; | |
240 for (var key in map) keys.push(key); | |
241 return keys; | |
242 }; | |
243 d3.values = function(map) { | |
244 var values = []; | |
245 for (var key in map) values.push(map[key]); | |
246 return values; | |
247 }; | |
248 d3.entries = function(map) { | |
249 var entries = []; | |
250 for (var key in map) entries.push({ | |
251 key: key, | |
252 value: map[key] | |
253 }); | |
254 return entries; | |
255 }; | |
256 d3.merge = function(arrays) { | |
257 var n = arrays.length, m, i = -1, j = 0, merged, array; | |
258 while (++i < n) j += arrays[i].length; | |
259 merged = new Array(j); | |
260 while (--n >= 0) { | |
261 array = arrays[n]; | |
262 m = array.length; | |
263 while (--m >= 0) { | |
264 merged[--j] = array[m]; | |
265 } | |
266 } | |
267 return merged; | |
268 }; | |
269 var abs = Math.abs; | |
270 d3.range = function(start, stop, step) { | |
271 if (arguments.length < 3) { | |
272 step = 1; | |
273 if (arguments.length < 2) { | |
274 stop = start; | |
275 start = 0; | |
276 } | |
277 } | |
278 if ((stop - start) / step === Infinity) throw new Error("infinite range"); | |
279 var range = [], k = d3_range_integerScale(abs(step)), i = -1, j; | |
280 start *= k, stop *= k, step *= k; | |
281 if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k); | |
282 return range; | |
283 }; | |
284 function d3_range_integerScale(x) { | |
285 var k = 1; | |
286 while (x * k % 1) k *= 10; | |
287 return k; | |
288 } | |
289 function d3_class(ctor, properties) { | |
290 for (var key in properties) { | |
291 Object.defineProperty(ctor.prototype, key, { | |
292 value: properties[key], | |
293 enumerable: false | |
294 }); | |
295 } | |
296 } | |
297 d3.map = function(object, f) { | |
298 var map = new d3_Map(); | |
299 if (object instanceof d3_Map) { | |
300 object.forEach(function(key, value) { | |
301 map.set(key, value); | |
302 }); | |
303 } else if (Array.isArray(object)) { | |
304 var i = -1, n = object.length, o; | |
305 if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o); | |
306 } else { | |
307 for (var key in object) map.set(key, object[key]); | |
308 } | |
309 return map; | |
310 }; | |
311 function d3_Map() { | |
312 this._ = Object.create(null); | |
313 } | |
314 var d3_map_proto = "__proto__", d3_map_zero = "\x00"; | |
315 d3_class(d3_Map, { | |
316 has: d3_map_has, | |
317 get: function(key) { | |
318 return this._[d3_map_escape(key)]; | |
319 }, | |
320 set: function(key, value) { | |
321 return this._[d3_map_escape(key)] = value; | |
322 }, | |
323 remove: d3_map_remove, | |
324 keys: d3_map_keys, | |
325 values: function() { | |
326 var values = []; | |
327 for (var key in this._) values.push(this._[key]); | |
328 return values; | |
329 }, | |
330 entries: function() { | |
331 var entries = []; | |
332 for (var key in this._) entries.push({ | |
333 key: d3_map_unescape(key), | |
334 value: this._[key] | |
335 }); | |
336 return entries; | |
337 }, | |
338 size: d3_map_size, | |
339 empty: d3_map_empty, | |
340 forEach: function(f) { | |
341 for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]); | |
342 } | |
343 }); | |
344 function d3_map_escape(key) { | |
345 return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key; | |
346 } | |
347 function d3_map_unescape(key) { | |
348 return (key += "")[0] === d3_map_zero ? key.slice(1) : key; | |
349 } | |
350 function d3_map_has(key) { | |
351 return d3_map_escape(key) in this._; | |
352 } | |
353 function d3_map_remove(key) { | |
354 return (key = d3_map_escape(key)) in this._ && delete this._[key]; | |
355 } | |
356 function d3_map_keys() { | |
357 var keys = []; | |
358 for (var key in this._) keys.push(d3_map_unescape(key)); | |
359 return keys; | |
360 } | |
361 function d3_map_size() { | |
362 var size = 0; | |
363 for (var key in this._) ++size; | |
364 return size; | |
365 } | |
366 function d3_map_empty() { | |
367 for (var key in this._) return false; | |
368 return true; | |
369 } | |
370 d3.nest = function() { | |
371 var nest = {}, keys = [], sortKeys = [], sortValues, rollup; | |
372 function map(mapType, array, depth) { | |
373 if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; | |
374 var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values; | |
375 while (++i < n) { | |
376 if (values = valuesByKey.get(keyValue = key(object = array[i]))) { | |
377 values.push(object); | |
378 } else { | |
379 valuesByKey.set(keyValue, [ object ]); | |
380 } | |
381 } | |
382 if (mapType) { | |
383 object = mapType(); | |
384 setter = function(keyValue, values) { | |
385 object.set(keyValue, map(mapType, values, depth)); | |
386 }; | |
387 } else { | |
388 object = {}; | |
389 setter = function(keyValue, values) { | |
390 object[keyValue] = map(mapType, values, depth); | |
391 }; | |
392 } | |
393 valuesByKey.forEach(setter); | |
394 return object; | |
395 } | |
396 function entries(map, depth) { | |
397 if (depth >= keys.length) return map; | |
398 var array = [], sortKey = sortKeys[depth++]; | |
399 map.forEach(function(key, keyMap) { | |
400 array.push({ | |
401 key: key, | |
402 values: entries(keyMap, depth) | |
403 }); | |
404 }); | |
405 return sortKey ? array.sort(function(a, b) { | |
406 return sortKey(a.key, b.key); | |
407 }) : array; | |
408 } | |
409 nest.map = function(array, mapType) { | |
410 return map(mapType, array, 0); | |
411 }; | |
412 nest.entries = function(array) { | |
413 return entries(map(d3.map, array, 0), 0); | |
414 }; | |
415 nest.key = function(d) { | |
416 keys.push(d); | |
417 return nest; | |
418 }; | |
419 nest.sortKeys = function(order) { | |
420 sortKeys[keys.length - 1] = order; | |
421 return nest; | |
422 }; | |
423 nest.sortValues = function(order) { | |
424 sortValues = order; | |
425 return nest; | |
426 }; | |
427 nest.rollup = function(f) { | |
428 rollup = f; | |
429 return nest; | |
430 }; | |
431 return nest; | |
432 }; | |
433 d3.set = function(array) { | |
434 var set = new d3_Set(); | |
435 if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]); | |
436 return set; | |
437 }; | |
438 function d3_Set() { | |
439 this._ = Object.create(null); | |
440 } | |
441 d3_class(d3_Set, { | |
442 has: d3_map_has, | |
443 add: function(key) { | |
444 this._[d3_map_escape(key += "")] = true; | |
445 return key; | |
446 }, | |
447 remove: d3_map_remove, | |
448 values: d3_map_keys, | |
449 size: d3_map_size, | |
450 empty: d3_map_empty, | |
451 forEach: function(f) { | |
452 for (var key in this._) f.call(this, d3_map_unescape(key)); | |
453 } | |
454 }); | |
455 d3.behavior = {}; | |
456 function d3_identity(d) { | |
457 return d; | |
458 } | |
459 d3.rebind = function(target, source) { | |
460 var i = 1, n = arguments.length, method; | |
461 while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); | |
462 return target; | |
463 }; | |
464 function d3_rebind(target, source, method) { | |
465 return function() { | |
466 var value = method.apply(source, arguments); | |
467 return value === source ? target : value; | |
468 }; | |
469 } | |
470 function d3_vendorSymbol(object, name) { | |
471 if (name in object) return name; | |
472 name = name.charAt(0).toUpperCase() + name.slice(1); | |
473 for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { | |
474 var prefixName = d3_vendorPrefixes[i] + name; | |
475 if (prefixName in object) return prefixName; | |
476 } | |
477 } | |
478 var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; | |
479 function d3_noop() {} | |
480 d3.dispatch = function() { | |
481 var dispatch = new d3_dispatch(), i = -1, n = arguments.length; | |
482 while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); | |
483 return dispatch; | |
484 }; | |
485 function d3_dispatch() {} | |
486 d3_dispatch.prototype.on = function(type, listener) { | |
487 var i = type.indexOf("."), name = ""; | |
488 if (i >= 0) { | |
489 name = type.slice(i + 1); | |
490 type = type.slice(0, i); | |
491 } | |
492 if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); | |
493 if (arguments.length === 2) { | |
494 if (listener == null) for (type in this) { | |
495 if (this.hasOwnProperty(type)) this[type].on(name, null); | |
496 } | |
497 return this; | |
498 } | |
499 }; | |
500 function d3_dispatch_event(dispatch) { | |
501 var listeners = [], listenerByName = new d3_Map(); | |
502 function event() { | |
503 var z = listeners, i = -1, n = z.length, l; | |
504 while (++i < n) if (l = z[i].on) l.apply(this, arguments); | |
505 return dispatch; | |
506 } | |
507 event.on = function(name, listener) { | |
508 var l = listenerByName.get(name), i; | |
509 if (arguments.length < 2) return l && l.on; | |
510 if (l) { | |
511 l.on = null; | |
512 listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); | |
513 listenerByName.remove(name); | |
514 } | |
515 if (listener) listeners.push(listenerByName.set(name, { | |
516 on: listener | |
517 })); | |
518 return dispatch; | |
519 }; | |
520 return event; | |
521 } | |
522 d3.event = null; | |
523 function d3_eventPreventDefault() { | |
524 d3.event.preventDefault(); | |
525 } | |
526 function d3_eventSource() { | |
527 var e = d3.event, s; | |
528 while (s = e.sourceEvent) e = s; | |
529 return e; | |
530 } | |
531 function d3_eventDispatch(target) { | |
532 var dispatch = new d3_dispatch(), i = 0, n = arguments.length; | |
533 while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); | |
534 dispatch.of = function(thiz, argumentz) { | |
535 return function(e1) { | |
536 try { | |
537 var e0 = e1.sourceEvent = d3.event; | |
538 e1.target = target; | |
539 d3.event = e1; | |
540 dispatch[e1.type].apply(thiz, argumentz); | |
541 } finally { | |
542 d3.event = e0; | |
543 } | |
544 }; | |
545 }; | |
546 return dispatch; | |
547 } | |
548 d3.requote = function(s) { | |
549 return s.replace(d3_requote_re, "\\$&"); | |
550 }; | |
551 var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; | |
552 var d3_subclass = {}.__proto__ ? function(object, prototype) { | |
553 object.__proto__ = prototype; | |
554 } : function(object, prototype) { | |
555 for (var property in prototype) object[property] = prototype[property]; | |
556 }; | |
557 function d3_selection(groups) { | |
558 d3_subclass(groups, d3_selectionPrototype); | |
559 return groups; | |
560 } | |
561 var d3_select = function(s, n) { | |
562 return n.querySelector(s); | |
563 }, d3_selectAll = function(s, n) { | |
564 return n.querySelectorAll(s); | |
565 }, d3_selectMatches = function(n, s) { | |
566 var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")]; | |
567 d3_selectMatches = function(n, s) { | |
568 return d3_selectMatcher.call(n, s); | |
569 }; | |
570 return d3_selectMatches(n, s); | |
571 }; | |
572 if (typeof Sizzle === "function") { | |
573 d3_select = function(s, n) { | |
574 return Sizzle(s, n)[0] || null; | |
575 }; | |
576 d3_selectAll = Sizzle; | |
577 d3_selectMatches = Sizzle.matchesSelector; | |
578 } | |
579 d3.selection = function() { | |
580 return d3.select(d3_document.documentElement); | |
581 }; | |
582 var d3_selectionPrototype = d3.selection.prototype = []; | |
583 d3_selectionPrototype.select = function(selector) { | |
584 var subgroups = [], subgroup, subnode, group, node; | |
585 selector = d3_selection_selector(selector); | |
586 for (var j = -1, m = this.length; ++j < m; ) { | |
587 subgroups.push(subgroup = []); | |
588 subgroup.parentNode = (group = this[j]).parentNode; | |
589 for (var i = -1, n = group.length; ++i < n; ) { | |
590 if (node = group[i]) { | |
591 subgroup.push(subnode = selector.call(node, node.__data__, i, j)); | |
592 if (subnode && "__data__" in node) subnode.__data__ = node.__data__; | |
593 } else { | |
594 subgroup.push(null); | |
595 } | |
596 } | |
597 } | |
598 return d3_selection(subgroups); | |
599 }; | |
600 function d3_selection_selector(selector) { | |
601 return typeof selector === "function" ? selector : function() { | |
602 return d3_select(selector, this); | |
603 }; | |
604 } | |
605 d3_selectionPrototype.selectAll = function(selector) { | |
606 var subgroups = [], subgroup, node; | |
607 selector = d3_selection_selectorAll(selector); | |
608 for (var j = -1, m = this.length; ++j < m; ) { | |
609 for (var group = this[j], i = -1, n = group.length; ++i < n; ) { | |
610 if (node = group[i]) { | |
611 subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j))); | |
612 subgroup.parentNode = node; | |
613 } | |
614 } | |
615 } | |
616 return d3_selection(subgroups); | |
617 }; | |
618 function d3_selection_selectorAll(selector) { | |
619 return typeof selector === "function" ? selector : function() { | |
620 return d3_selectAll(selector, this); | |
621 }; | |
622 } | |
623 var d3_nsXhtml = "http://www.w3.org/1999/xhtml"; | |
624 var d3_nsPrefix = { | |
625 svg: "http://www.w3.org/2000/svg", | |
626 xhtml: d3_nsXhtml, | |
627 xlink: "http://www.w3.org/1999/xlink", | |
628 xml: "http://www.w3.org/XML/1998/namespace", | |
629 xmlns: "http://www.w3.org/2000/xmlns/" | |
630 }; | |
631 d3.ns = { | |
632 prefix: d3_nsPrefix, | |
633 qualify: function(name) { | |
634 var i = name.indexOf(":"), prefix = name; | |
635 if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); | |
636 return d3_nsPrefix.hasOwnProperty(prefix) ? { | |
637 space: d3_nsPrefix[prefix], | |
638 local: name | |
639 } : name; | |
640 } | |
641 }; | |
642 d3_selectionPrototype.attr = function(name, value) { | |
643 if (arguments.length < 2) { | |
644 if (typeof name === "string") { | |
645 var node = this.node(); | |
646 name = d3.ns.qualify(name); | |
647 return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); | |
648 } | |
649 for (value in name) this.each(d3_selection_attr(value, name[value])); | |
650 return this; | |
651 } | |
652 return this.each(d3_selection_attr(name, value)); | |
653 }; | |
654 function d3_selection_attr(name, value) { | |
655 name = d3.ns.qualify(name); | |
656 function attrNull() { | |
657 this.removeAttribute(name); | |
658 } | |
659 function attrNullNS() { | |
660 this.removeAttributeNS(name.space, name.local); | |
661 } | |
662 function attrConstant() { | |
663 this.setAttribute(name, value); | |
664 } | |
665 function attrConstantNS() { | |
666 this.setAttributeNS(name.space, name.local, value); | |
667 } | |
668 function attrFunction() { | |
669 var x = value.apply(this, arguments); | |
670 if (x == null) this.removeAttribute(name); else this.setAttribute(name, x); | |
671 } | |
672 function attrFunctionNS() { | |
673 var x = value.apply(this, arguments); | |
674 if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x); | |
675 } | |
676 return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; | |
677 } | |
678 function d3_collapse(s) { | |
679 return s.trim().replace(/\s+/g, " "); | |
680 } | |
681 d3_selectionPrototype.classed = function(name, value) { | |
682 if (arguments.length < 2) { | |
683 if (typeof name === "string") { | |
684 var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1; | |
685 if (value = node.classList) { | |
686 while (++i < n) if (!value.contains(name[i])) return false; | |
687 } else { | |
688 value = node.getAttribute("class"); | |
689 while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; | |
690 } | |
691 return true; | |
692 } | |
693 for (value in name) this.each(d3_selection_classed(value, name[value])); | |
694 return this; | |
695 } | |
696 return this.each(d3_selection_classed(name, value)); | |
697 }; | |
698 function d3_selection_classedRe(name) { | |
699 return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); | |
700 } | |
701 function d3_selection_classes(name) { | |
702 return (name + "").trim().split(/^|\s+/); | |
703 } | |
704 function d3_selection_classed(name, value) { | |
705 name = d3_selection_classes(name).map(d3_selection_classedName); | |
706 var n = name.length; | |
707 function classedConstant() { | |
708 var i = -1; | |
709 while (++i < n) name[i](this, value); | |
710 } | |
711 function classedFunction() { | |
712 var i = -1, x = value.apply(this, arguments); | |
713 while (++i < n) name[i](this, x); | |
714 } | |
715 return typeof value === "function" ? classedFunction : classedConstant; | |
716 } | |
717 function d3_selection_classedName(name) { | |
718 var re = d3_selection_classedRe(name); | |
719 return function(node, value) { | |
720 if (c = node.classList) return value ? c.add(name) : c.remove(name); | |
721 var c = node.getAttribute("class") || ""; | |
722 if (value) { | |
723 re.lastIndex = 0; | |
724 if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); | |
725 } else { | |
726 node.setAttribute("class", d3_collapse(c.replace(re, " "))); | |
727 } | |
728 }; | |
729 } | |
730 d3_selectionPrototype.style = function(name, value, priority) { | |
731 var n = arguments.length; | |
732 if (n < 3) { | |
733 if (typeof name !== "string") { | |
734 if (n < 2) value = ""; | |
735 for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); | |
736 return this; | |
737 } | |
738 if (n < 2) { | |
739 var node = this.node(); | |
740 return d3_window(node).getComputedStyle(node, null).getPropertyValue(name); | |
741 } | |
742 priority = ""; | |
743 } | |
744 return this.each(d3_selection_style(name, value, priority)); | |
745 }; | |
746 function d3_selection_style(name, value, priority) { | |
747 function styleNull() { | |
748 this.style.removeProperty(name); | |
749 } | |
750 function styleConstant() { | |
751 this.style.setProperty(name, value, priority); | |
752 } | |
753 function styleFunction() { | |
754 var x = value.apply(this, arguments); | |
755 if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority); | |
756 } | |
757 return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; | |
758 } | |
759 d3_selectionPrototype.property = function(name, value) { | |
760 if (arguments.length < 2) { | |
761 if (typeof name === "string") return this.node()[name]; | |
762 for (value in name) this.each(d3_selection_property(value, name[value])); | |
763 return this; | |
764 } | |
765 return this.each(d3_selection_property(name, value)); | |
766 }; | |
767 function d3_selection_property(name, value) { | |
768 function propertyNull() { | |
769 delete this[name]; | |
770 } | |
771 function propertyConstant() { | |
772 this[name] = value; | |
773 } | |
774 function propertyFunction() { | |
775 var x = value.apply(this, arguments); | |
776 if (x == null) delete this[name]; else this[name] = x; | |
777 } | |
778 return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; | |
779 } | |
780 d3_selectionPrototype.text = function(value) { | |
781 return arguments.length ? this.each(typeof value === "function" ? function() { | |
782 var v = value.apply(this, arguments); | |
783 this.textContent = v == null ? "" : v; | |
784 } : value == null ? function() { | |
785 this.textContent = ""; | |
786 } : function() { | |
787 this.textContent = value; | |
788 }) : this.node().textContent; | |
789 }; | |
790 d3_selectionPrototype.html = function(value) { | |
791 return arguments.length ? this.each(typeof value === "function" ? function() { | |
792 var v = value.apply(this, arguments); | |
793 this.innerHTML = v == null ? "" : v; | |
794 } : value == null ? function() { | |
795 this.innerHTML = ""; | |
796 } : function() { | |
797 this.innerHTML = value; | |
798 }) : this.node().innerHTML; | |
799 }; | |
800 d3_selectionPrototype.append = function(name) { | |
801 name = d3_selection_creator(name); | |
802 return this.select(function() { | |
803 return this.appendChild(name.apply(this, arguments)); | |
804 }); | |
805 }; | |
806 function d3_selection_creator(name) { | |
807 function create() { | |
808 var document = this.ownerDocument, namespace = this.namespaceURI; | |
809 return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); | |
810 } | |
811 function createNS() { | |
812 return this.ownerDocument.createElementNS(name.space, name.local); | |
813 } | |
814 return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create; | |
815 } | |
816 d3_selectionPrototype.insert = function(name, before) { | |
817 name = d3_selection_creator(name); | |
818 before = d3_selection_selector(before); | |
819 return this.select(function() { | |
820 return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); | |
821 }); | |
822 }; | |
823 d3_selectionPrototype.remove = function() { | |
824 return this.each(d3_selectionRemove); | |
825 }; | |
826 function d3_selectionRemove() { | |
827 var parent = this.parentNode; | |
828 if (parent) parent.removeChild(this); | |
829 } | |
830 d3_selectionPrototype.data = function(value, key) { | |
831 var i = -1, n = this.length, group, node; | |
832 if (!arguments.length) { | |
833 value = new Array(n = (group = this[0]).length); | |
834 while (++i < n) { | |
835 if (node = group[i]) { | |
836 value[i] = node.__data__; | |
837 } | |
838 } | |
839 return value; | |
840 } | |
841 function bind(group, groupData) { | |
842 var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; | |
843 if (key) { | |
844 var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue; | |
845 for (i = -1; ++i < n; ) { | |
846 if (node = group[i]) { | |
847 if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) { | |
848 exitNodes[i] = node; | |
849 } else { | |
850 nodeByKeyValue.set(keyValue, node); | |
851 } | |
852 keyValues[i] = keyValue; | |
853 } | |
854 } | |
855 for (i = -1; ++i < m; ) { | |
856 if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { | |
857 enterNodes[i] = d3_selection_dataNode(nodeData); | |
858 } else if (node !== true) { | |
859 updateNodes[i] = node; | |
860 node.__data__ = nodeData; | |
861 } | |
862 nodeByKeyValue.set(keyValue, true); | |
863 } | |
864 for (i = -1; ++i < n; ) { | |
865 if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) { | |
866 exitNodes[i] = group[i]; | |
867 } | |
868 } | |
869 } else { | |
870 for (i = -1; ++i < n0; ) { | |
871 node = group[i]; | |
872 nodeData = groupData[i]; | |
873 if (node) { | |
874 node.__data__ = nodeData; | |
875 updateNodes[i] = node; | |
876 } else { | |
877 enterNodes[i] = d3_selection_dataNode(nodeData); | |
878 } | |
879 } | |
880 for (;i < m; ++i) { | |
881 enterNodes[i] = d3_selection_dataNode(groupData[i]); | |
882 } | |
883 for (;i < n; ++i) { | |
884 exitNodes[i] = group[i]; | |
885 } | |
886 } | |
887 enterNodes.update = updateNodes; | |
888 enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; | |
889 enter.push(enterNodes); | |
890 update.push(updateNodes); | |
891 exit.push(exitNodes); | |
892 } | |
893 var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); | |
894 if (typeof value === "function") { | |
895 while (++i < n) { | |
896 bind(group = this[i], value.call(group, group.parentNode.__data__, i)); | |
897 } | |
898 } else { | |
899 while (++i < n) { | |
900 bind(group = this[i], value); | |
901 } | |
902 } | |
903 update.enter = function() { | |
904 return enter; | |
905 }; | |
906 update.exit = function() { | |
907 return exit; | |
908 }; | |
909 return update; | |
910 }; | |
911 function d3_selection_dataNode(data) { | |
912 return { | |
913 __data__: data | |
914 }; | |
915 } | |
916 d3_selectionPrototype.datum = function(value) { | |
917 return arguments.length ? this.property("__data__", value) : this.property("__data__"); | |
918 }; | |
919 d3_selectionPrototype.filter = function(filter) { | |
920 var subgroups = [], subgroup, group, node; | |
921 if (typeof filter !== "function") filter = d3_selection_filter(filter); | |
922 for (var j = 0, m = this.length; j < m; j++) { | |
923 subgroups.push(subgroup = []); | |
924 subgroup.parentNode = (group = this[j]).parentNode; | |
925 for (var i = 0, n = group.length; i < n; i++) { | |
926 if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { | |
927 subgroup.push(node); | |
928 } | |
929 } | |
930 } | |
931 return d3_selection(subgroups); | |
932 }; | |
933 function d3_selection_filter(selector) { | |
934 return function() { | |
935 return d3_selectMatches(this, selector); | |
936 }; | |
937 } | |
938 d3_selectionPrototype.order = function() { | |
939 for (var j = -1, m = this.length; ++j < m; ) { | |
940 for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) { | |
941 if (node = group[i]) { | |
942 if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); | |
943 next = node; | |
944 } | |
945 } | |
946 } | |
947 return this; | |
948 }; | |
949 d3_selectionPrototype.sort = function(comparator) { | |
950 comparator = d3_selection_sortComparator.apply(this, arguments); | |
951 for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator); | |
952 return this.order(); | |
953 }; | |
954 function d3_selection_sortComparator(comparator) { | |
955 if (!arguments.length) comparator = d3_ascending; | |
956 return function(a, b) { | |
957 return a && b ? comparator(a.__data__, b.__data__) : !a - !b; | |
958 }; | |
959 } | |
960 d3_selectionPrototype.each = function(callback) { | |
961 return d3_selection_each(this, function(node, i, j) { | |
962 callback.call(node, node.__data__, i, j); | |
963 }); | |
964 }; | |
965 function d3_selection_each(groups, callback) { | |
966 for (var j = 0, m = groups.length; j < m; j++) { | |
967 for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { | |
968 if (node = group[i]) callback(node, i, j); | |
969 } | |
970 } | |
971 return groups; | |
972 } | |
973 d3_selectionPrototype.call = function(callback) { | |
974 var args = d3_array(arguments); | |
975 callback.apply(args[0] = this, args); | |
976 return this; | |
977 }; | |
978 d3_selectionPrototype.empty = function() { | |
979 return !this.node(); | |
980 }; | |
981 d3_selectionPrototype.node = function() { | |
982 for (var j = 0, m = this.length; j < m; j++) { | |
983 for (var group = this[j], i = 0, n = group.length; i < n; i++) { | |
984 var node = group[i]; | |
985 if (node) return node; | |
986 } | |
987 } | |
988 return null; | |
989 }; | |
990 d3_selectionPrototype.size = function() { | |
991 var n = 0; | |
992 d3_selection_each(this, function() { | |
993 ++n; | |
994 }); | |
995 return n; | |
996 }; | |
997 function d3_selection_enter(selection) { | |
998 d3_subclass(selection, d3_selection_enterPrototype); | |
999 return selection; | |
1000 } | |
1001 var d3_selection_enterPrototype = []; | |
1002 d3.selection.enter = d3_selection_enter; | |
1003 d3.selection.enter.prototype = d3_selection_enterPrototype; | |
1004 d3_selection_enterPrototype.append = d3_selectionPrototype.append; | |
1005 d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; | |
1006 d3_selection_enterPrototype.node = d3_selectionPrototype.node; | |
1007 d3_selection_enterPrototype.call = d3_selectionPrototype.call; | |
1008 d3_selection_enterPrototype.size = d3_selectionPrototype.size; | |
1009 d3_selection_enterPrototype.select = function(selector) { | |
1010 var subgroups = [], subgroup, subnode, upgroup, group, node; | |
1011 for (var j = -1, m = this.length; ++j < m; ) { | |
1012 upgroup = (group = this[j]).update; | |
1013 subgroups.push(subgroup = []); | |
1014 subgroup.parentNode = group.parentNode; | |
1015 for (var i = -1, n = group.length; ++i < n; ) { | |
1016 if (node = group[i]) { | |
1017 subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j)); | |
1018 subnode.__data__ = node.__data__; | |
1019 } else { | |
1020 subgroup.push(null); | |
1021 } | |
1022 } | |
1023 } | |
1024 return d3_selection(subgroups); | |
1025 }; | |
1026 d3_selection_enterPrototype.insert = function(name, before) { | |
1027 if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); | |
1028 return d3_selectionPrototype.insert.call(this, name, before); | |
1029 }; | |
1030 function d3_selection_enterInsertBefore(enter) { | |
1031 var i0, j0; | |
1032 return function(d, i, j) { | |
1033 var group = enter[j].update, n = group.length, node; | |
1034 if (j != j0) j0 = j, i0 = 0; | |
1035 if (i >= i0) i0 = i + 1; | |
1036 while (!(node = group[i0]) && ++i0 < n) ; | |
1037 return node; | |
1038 }; | |
1039 } | |
1040 d3.select = function(node) { | |
1041 var group; | |
1042 if (typeof node === "string") { | |
1043 group = [ d3_select(node, d3_document) ]; | |
1044 group.parentNode = d3_document.documentElement; | |
1045 } else { | |
1046 group = [ node ]; | |
1047 group.parentNode = d3_documentElement(node); | |
1048 } | |
1049 return d3_selection([ group ]); | |
1050 }; | |
1051 d3.selectAll = function(nodes) { | |
1052 var group; | |
1053 if (typeof nodes === "string") { | |
1054 group = d3_array(d3_selectAll(nodes, d3_document)); | |
1055 group.parentNode = d3_document.documentElement; | |
1056 } else { | |
1057 group = d3_array(nodes); | |
1058 group.parentNode = null; | |
1059 } | |
1060 return d3_selection([ group ]); | |
1061 }; | |
1062 d3_selectionPrototype.on = function(type, listener, capture) { | |
1063 var n = arguments.length; | |
1064 if (n < 3) { | |
1065 if (typeof type !== "string") { | |
1066 if (n < 2) listener = false; | |
1067 for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); | |
1068 return this; | |
1069 } | |
1070 if (n < 2) return (n = this.node()["__on" + type]) && n._; | |
1071 capture = false; | |
1072 } | |
1073 return this.each(d3_selection_on(type, listener, capture)); | |
1074 }; | |
1075 function d3_selection_on(type, listener, capture) { | |
1076 var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; | |
1077 if (i > 0) type = type.slice(0, i); | |
1078 var filter = d3_selection_onFilters.get(type); | |
1079 if (filter) type = filter, wrap = d3_selection_onFilter; | |
1080 function onRemove() { | |
1081 var l = this[name]; | |
1082 if (l) { | |
1083 this.removeEventListener(type, l, l.$); | |
1084 delete this[name]; | |
1085 } | |
1086 } | |
1087 function onAdd() { | |
1088 var l = wrap(listener, d3_array(arguments)); | |
1089 onRemove.call(this); | |
1090 this.addEventListener(type, this[name] = l, l.$ = capture); | |
1091 l._ = listener; | |
1092 } | |
1093 function removeAll() { | |
1094 var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; | |
1095 for (var name in this) { | |
1096 if (match = name.match(re)) { | |
1097 var l = this[name]; | |
1098 this.removeEventListener(match[1], l, l.$); | |
1099 delete this[name]; | |
1100 } | |
1101 } | |
1102 } | |
1103 return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; | |
1104 } | |
1105 var d3_selection_onFilters = d3.map({ | |
1106 mouseenter: "mouseover", | |
1107 mouseleave: "mouseout" | |
1108 }); | |
1109 if (d3_document) { | |
1110 d3_selection_onFilters.forEach(function(k) { | |
1111 if ("on" + k in d3_document) d3_selection_onFilters.remove(k); | |
1112 }); | |
1113 } | |
1114 function d3_selection_onListener(listener, argumentz) { | |
1115 return function(e) { | |
1116 var o = d3.event; | |
1117 d3.event = e; | |
1118 argumentz[0] = this.__data__; | |
1119 try { | |
1120 listener.apply(this, argumentz); | |
1121 } finally { | |
1122 d3.event = o; | |
1123 } | |
1124 }; | |
1125 } | |
1126 function d3_selection_onFilter(listener, argumentz) { | |
1127 var l = d3_selection_onListener(listener, argumentz); | |
1128 return function(e) { | |
1129 var target = this, related = e.relatedTarget; | |
1130 if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { | |
1131 l.call(target, e); | |
1132 } | |
1133 }; | |
1134 } | |
1135 var d3_event_dragSelect, d3_event_dragId = 0; | |
1136 function d3_event_dragSuppress(node) { | |
1137 var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); | |
1138 if (d3_event_dragSelect == null) { | |
1139 d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect"); | |
1140 } | |
1141 if (d3_event_dragSelect) { | |
1142 var style = d3_documentElement(node).style, select = style[d3_event_dragSelect]; | |
1143 style[d3_event_dragSelect] = "none"; | |
1144 } | |
1145 return function(suppressClick) { | |
1146 w.on(name, null); | |
1147 if (d3_event_dragSelect) style[d3_event_dragSelect] = select; | |
1148 if (suppressClick) { | |
1149 var off = function() { | |
1150 w.on(click, null); | |
1151 }; | |
1152 w.on(click, function() { | |
1153 d3_eventPreventDefault(); | |
1154 off(); | |
1155 }, true); | |
1156 setTimeout(off, 0); | |
1157 } | |
1158 }; | |
1159 } | |
1160 d3.mouse = function(container) { | |
1161 return d3_mousePoint(container, d3_eventSource()); | |
1162 }; | |
1163 var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0; | |
1164 function d3_mousePoint(container, e) { | |
1165 if (e.changedTouches) e = e.changedTouches[0]; | |
1166 var svg = container.ownerSVGElement || container; | |
1167 if (svg.createSVGPoint) { | |
1168 var point = svg.createSVGPoint(); | |
1169 if (d3_mouse_bug44083 < 0) { | |
1170 var window = d3_window(container); | |
1171 if (window.scrollX || window.scrollY) { | |
1172 svg = d3.select("body").append("svg").style({ | |
1173 position: "absolute", | |
1174 top: 0, | |
1175 left: 0, | |
1176 margin: 0, | |
1177 padding: 0, | |
1178 border: "none" | |
1179 }, "important"); | |
1180 var ctm = svg[0][0].getScreenCTM(); | |
1181 d3_mouse_bug44083 = !(ctm.f || ctm.e); | |
1182 svg.remove(); | |
1183 } | |
1184 } | |
1185 if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, | |
1186 point.y = e.clientY; | |
1187 point = point.matrixTransform(container.getScreenCTM().inverse()); | |
1188 return [ point.x, point.y ]; | |
1189 } | |
1190 var rect = container.getBoundingClientRect(); | |
1191 return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; | |
1192 } | |
1193 d3.touch = function(container, touches, identifier) { | |
1194 if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; | |
1195 if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { | |
1196 if ((touch = touches[i]).identifier === identifier) { | |
1197 return d3_mousePoint(container, touch); | |
1198 } | |
1199 } | |
1200 }; | |
1201 d3.behavior.drag = function() { | |
1202 var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend"); | |
1203 function drag() { | |
1204 this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); | |
1205 } | |
1206 function dragstart(id, position, subject, move, end) { | |
1207 return function() { | |
1208 var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId); | |
1209 if (origin) { | |
1210 dragOffset = origin.apply(that, arguments); | |
1211 dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; | |
1212 } else { | |
1213 dragOffset = [ 0, 0 ]; | |
1214 } | |
1215 dispatch({ | |
1216 type: "dragstart" | |
1217 }); | |
1218 function moved() { | |
1219 var position1 = position(parent, dragId), dx, dy; | |
1220 if (!position1) return; | |
1221 dx = position1[0] - position0[0]; | |
1222 dy = position1[1] - position0[1]; | |
1223 dragged |= dx | dy; | |
1224 position0 = position1; | |
1225 dispatch({ | |
1226 type: "drag", | |
1227 x: position1[0] + dragOffset[0], | |
1228 y: position1[1] + dragOffset[1], | |
1229 dx: dx, | |
1230 dy: dy | |
1231 }); | |
1232 } | |
1233 function ended() { | |
1234 if (!position(parent, dragId)) return; | |
1235 dragSubject.on(move + dragName, null).on(end + dragName, null); | |
1236 dragRestore(dragged); | |
1237 dispatch({ | |
1238 type: "dragend" | |
1239 }); | |
1240 } | |
1241 }; | |
1242 } | |
1243 drag.origin = function(x) { | |
1244 if (!arguments.length) return origin; | |
1245 origin = x; | |
1246 return drag; | |
1247 }; | |
1248 return d3.rebind(drag, event, "on"); | |
1249 }; | |
1250 function d3_behavior_dragTouchId() { | |
1251 return d3.event.changedTouches[0].identifier; | |
1252 } | |
1253 d3.touches = function(container, touches) { | |
1254 if (arguments.length < 2) touches = d3_eventSource().touches; | |
1255 return touches ? d3_array(touches).map(function(touch) { | |
1256 var point = d3_mousePoint(container, touch); | |
1257 point.identifier = touch.identifier; | |
1258 return point; | |
1259 }) : []; | |
1260 }; | |
1261 var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π; | |
1262 function d3_sgn(x) { | |
1263 return x > 0 ? 1 : x < 0 ? -1 : 0; | |
1264 } | |
1265 function d3_cross2d(a, b, c) { | |
1266 return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); | |
1267 } | |
1268 function d3_acos(x) { | |
1269 return x > 1 ? 0 : x < -1 ? π : Math.acos(x); | |
1270 } | |
1271 function d3_asin(x) { | |
1272 return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); | |
1273 } | |
1274 function d3_sinh(x) { | |
1275 return ((x = Math.exp(x)) - 1 / x) / 2; | |
1276 } | |
1277 function d3_cosh(x) { | |
1278 return ((x = Math.exp(x)) + 1 / x) / 2; | |
1279 } | |
1280 function d3_tanh(x) { | |
1281 return ((x = Math.exp(2 * x)) - 1) / (x + 1); | |
1282 } | |
1283 function d3_haversin(x) { | |
1284 return (x = Math.sin(x / 2)) * x; | |
1285 } | |
1286 var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; | |
1287 d3.interpolateZoom = function(p0, p1) { | |
1288 var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; | |
1289 if (d2 < ε2) { | |
1290 S = Math.log(w1 / w0) / ρ; | |
1291 i = function(t) { | |
1292 return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; | |
1293 }; | |
1294 } else { | |
1295 var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); | |
1296 S = (r1 - r0) / ρ; | |
1297 i = function(t) { | |
1298 var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); | |
1299 return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; | |
1300 }; | |
1301 } | |
1302 i.duration = S * 1e3; | |
1303 return i; | |
1304 }; | |
1305 d3.behavior.zoom = function() { | |
1306 var view = { | |
1307 x: 0, | |
1308 y: 0, | |
1309 k: 1 | |
1310 }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; | |
1311 if (!d3_behavior_zoomWheel) { | |
1312 d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { | |
1313 return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); | |
1314 }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { | |
1315 return d3.event.wheelDelta; | |
1316 }, "mousewheel") : (d3_behavior_zoomDelta = function() { | |
1317 return -d3.event.detail; | |
1318 }, "MozMousePixelScroll"); | |
1319 } | |
1320 function zoom(g) { | |
1321 g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); | |
1322 } | |
1323 zoom.event = function(g) { | |
1324 g.each(function() { | |
1325 var dispatch = event.of(this, arguments), view1 = view; | |
1326 if (d3_transitionInheritId) { | |
1327 d3.select(this).transition().each("start.zoom", function() { | |
1328 view = this.__chart__ || { | |
1329 x: 0, | |
1330 y: 0, | |
1331 k: 1 | |
1332 }; | |
1333 zoomstarted(dispatch); | |
1334 }).tween("zoom:zoom", function() { | |
1335 var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); | |
1336 return function(t) { | |
1337 var l = i(t), k = dx / l[2]; | |
1338 this.__chart__ = view = { | |
1339 x: cx - l[0] * k, | |
1340 y: cy - l[1] * k, | |
1341 k: k | |
1342 }; | |
1343 zoomed(dispatch); | |
1344 }; | |
1345 }).each("interrupt.zoom", function() { | |
1346 zoomended(dispatch); | |
1347 }).each("end.zoom", function() { | |
1348 zoomended(dispatch); | |
1349 }); | |
1350 } else { | |
1351 this.__chart__ = view; | |
1352 zoomstarted(dispatch); | |
1353 zoomed(dispatch); | |
1354 zoomended(dispatch); | |
1355 } | |
1356 }); | |
1357 }; | |
1358 zoom.translate = function(_) { | |
1359 if (!arguments.length) return [ view.x, view.y ]; | |
1360 view = { | |
1361 x: +_[0], | |
1362 y: +_[1], | |
1363 k: view.k | |
1364 }; | |
1365 rescale(); | |
1366 return zoom; | |
1367 }; | |
1368 zoom.scale = function(_) { | |
1369 if (!arguments.length) return view.k; | |
1370 view = { | |
1371 x: view.x, | |
1372 y: view.y, | |
1373 k: null | |
1374 }; | |
1375 scaleTo(+_); | |
1376 rescale(); | |
1377 return zoom; | |
1378 }; | |
1379 zoom.scaleExtent = function(_) { | |
1380 if (!arguments.length) return scaleExtent; | |
1381 scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; | |
1382 return zoom; | |
1383 }; | |
1384 zoom.center = function(_) { | |
1385 if (!arguments.length) return center; | |
1386 center = _ && [ +_[0], +_[1] ]; | |
1387 return zoom; | |
1388 }; | |
1389 zoom.size = function(_) { | |
1390 if (!arguments.length) return size; | |
1391 size = _ && [ +_[0], +_[1] ]; | |
1392 return zoom; | |
1393 }; | |
1394 zoom.duration = function(_) { | |
1395 if (!arguments.length) return duration; | |
1396 duration = +_; | |
1397 return zoom; | |
1398 }; | |
1399 zoom.x = function(z) { | |
1400 if (!arguments.length) return x1; | |
1401 x1 = z; | |
1402 x0 = z.copy(); | |
1403 view = { | |
1404 x: 0, | |
1405 y: 0, | |
1406 k: 1 | |
1407 }; | |
1408 return zoom; | |
1409 }; | |
1410 zoom.y = function(z) { | |
1411 if (!arguments.length) return y1; | |
1412 y1 = z; | |
1413 y0 = z.copy(); | |
1414 view = { | |
1415 x: 0, | |
1416 y: 0, | |
1417 k: 1 | |
1418 }; | |
1419 return zoom; | |
1420 }; | |
1421 function location(p) { | |
1422 return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; | |
1423 } | |
1424 function point(l) { | |
1425 return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; | |
1426 } | |
1427 function scaleTo(s) { | |
1428 view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); | |
1429 } | |
1430 function translateTo(p, l) { | |
1431 l = point(l); | |
1432 view.x += p[0] - l[0]; | |
1433 view.y += p[1] - l[1]; | |
1434 } | |
1435 function zoomTo(that, p, l, k) { | |
1436 that.__chart__ = { | |
1437 x: view.x, | |
1438 y: view.y, | |
1439 k: view.k | |
1440 }; | |
1441 scaleTo(Math.pow(2, k)); | |
1442 translateTo(center0 = p, l); | |
1443 that = d3.select(that); | |
1444 if (duration > 0) that = that.transition().duration(duration); | |
1445 that.call(zoom.event); | |
1446 } | |
1447 function rescale() { | |
1448 if (x1) x1.domain(x0.range().map(function(x) { | |
1449 return (x - view.x) / view.k; | |
1450 }).map(x0.invert)); | |
1451 if (y1) y1.domain(y0.range().map(function(y) { | |
1452 return (y - view.y) / view.k; | |
1453 }).map(y0.invert)); | |
1454 } | |
1455 function zoomstarted(dispatch) { | |
1456 if (!zooming++) dispatch({ | |
1457 type: "zoomstart" | |
1458 }); | |
1459 } | |
1460 function zoomed(dispatch) { | |
1461 rescale(); | |
1462 dispatch({ | |
1463 type: "zoom", | |
1464 scale: view.k, | |
1465 translate: [ view.x, view.y ] | |
1466 }); | |
1467 } | |
1468 function zoomended(dispatch) { | |
1469 if (!--zooming) dispatch({ | |
1470 type: "zoomend" | |
1471 }), center0 = null; | |
1472 } | |
1473 function mousedowned() { | |
1474 var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); | |
1475 d3_selection_interrupt.call(that); | |
1476 zoomstarted(dispatch); | |
1477 function moved() { | |
1478 dragged = 1; | |
1479 translateTo(d3.mouse(that), location0); | |
1480 zoomed(dispatch); | |
1481 } | |
1482 function ended() { | |
1483 subject.on(mousemove, null).on(mouseup, null); | |
1484 dragRestore(dragged); | |
1485 zoomended(dispatch); | |
1486 } | |
1487 } | |
1488 function touchstarted() { | |
1489 var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that); | |
1490 started(); | |
1491 zoomstarted(dispatch); | |
1492 subject.on(mousedown, null).on(touchstart, started); | |
1493 function relocate() { | |
1494 var touches = d3.touches(that); | |
1495 scale0 = view.k; | |
1496 touches.forEach(function(t) { | |
1497 if (t.identifier in locations0) locations0[t.identifier] = location(t); | |
1498 }); | |
1499 return touches; | |
1500 } | |
1501 function started() { | |
1502 var target = d3.event.target; | |
1503 d3.select(target).on(touchmove, moved).on(touchend, ended); | |
1504 targets.push(target); | |
1505 var changed = d3.event.changedTouches; | |
1506 for (var i = 0, n = changed.length; i < n; ++i) { | |
1507 locations0[changed[i].identifier] = null; | |
1508 } | |
1509 var touches = relocate(), now = Date.now(); | |
1510 if (touches.length === 1) { | |
1511 if (now - touchtime < 500) { | |
1512 var p = touches[0]; | |
1513 zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1); | |
1514 d3_eventPreventDefault(); | |
1515 } | |
1516 touchtime = now; | |
1517 } else if (touches.length > 1) { | |
1518 var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; | |
1519 distance0 = dx * dx + dy * dy; | |
1520 } | |
1521 } | |
1522 function moved() { | |
1523 var touches = d3.touches(that), p0, l0, p1, l1; | |
1524 d3_selection_interrupt.call(that); | |
1525 for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { | |
1526 p1 = touches[i]; | |
1527 if (l1 = locations0[p1.identifier]) { | |
1528 if (l0) break; | |
1529 p0 = p1, l0 = l1; | |
1530 } | |
1531 } | |
1532 if (l1) { | |
1533 var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); | |
1534 p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; | |
1535 l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; | |
1536 scaleTo(scale1 * scale0); | |
1537 } | |
1538 touchtime = null; | |
1539 translateTo(p0, l0); | |
1540 zoomed(dispatch); | |
1541 } | |
1542 function ended() { | |
1543 if (d3.event.touches.length) { | |
1544 var changed = d3.event.changedTouches; | |
1545 for (var i = 0, n = changed.length; i < n; ++i) { | |
1546 delete locations0[changed[i].identifier]; | |
1547 } | |
1548 for (var identifier in locations0) { | |
1549 return void relocate(); | |
1550 } | |
1551 } | |
1552 d3.selectAll(targets).on(zoomName, null); | |
1553 subject.on(mousedown, mousedowned).on(touchstart, touchstarted); | |
1554 dragRestore(); | |
1555 zoomended(dispatch); | |
1556 } | |
1557 } | |
1558 function mousewheeled() { | |
1559 var dispatch = event.of(this, arguments); | |
1560 if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), | |
1561 translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch); | |
1562 mousewheelTimer = setTimeout(function() { | |
1563 mousewheelTimer = null; | |
1564 zoomended(dispatch); | |
1565 }, 50); | |
1566 d3_eventPreventDefault(); | |
1567 scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); | |
1568 translateTo(center0, translate0); | |
1569 zoomed(dispatch); | |
1570 } | |
1571 function dblclicked() { | |
1572 var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2; | |
1573 zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1); | |
1574 } | |
1575 return d3.rebind(zoom, event, "on"); | |
1576 }; | |
1577 var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel; | |
1578 d3.color = d3_color; | |
1579 function d3_color() {} | |
1580 d3_color.prototype.toString = function() { | |
1581 return this.rgb() + ""; | |
1582 }; | |
1583 d3.hsl = d3_hsl; | |
1584 function d3_hsl(h, s, l) { | |
1585 return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l); | |
1586 } | |
1587 var d3_hslPrototype = d3_hsl.prototype = new d3_color(); | |
1588 d3_hslPrototype.brighter = function(k) { | |
1589 k = Math.pow(.7, arguments.length ? k : 1); | |
1590 return new d3_hsl(this.h, this.s, this.l / k); | |
1591 }; | |
1592 d3_hslPrototype.darker = function(k) { | |
1593 k = Math.pow(.7, arguments.length ? k : 1); | |
1594 return new d3_hsl(this.h, this.s, k * this.l); | |
1595 }; | |
1596 d3_hslPrototype.rgb = function() { | |
1597 return d3_hsl_rgb(this.h, this.s, this.l); | |
1598 }; | |
1599 function d3_hsl_rgb(h, s, l) { | |
1600 var m1, m2; | |
1601 h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; | |
1602 s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; | |
1603 l = l < 0 ? 0 : l > 1 ? 1 : l; | |
1604 m2 = l <= .5 ? l * (1 + s) : l + s - l * s; | |
1605 m1 = 2 * l - m2; | |
1606 function v(h) { | |
1607 if (h > 360) h -= 360; else if (h < 0) h += 360; | |
1608 if (h < 60) return m1 + (m2 - m1) * h / 60; | |
1609 if (h < 180) return m2; | |
1610 if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; | |
1611 return m1; | |
1612 } | |
1613 function vv(h) { | |
1614 return Math.round(v(h) * 255); | |
1615 } | |
1616 return new d3_rgb(vv(h + 120), vv(h), vv(h - 120)); | |
1617 } | |
1618 d3.hcl = d3_hcl; | |
1619 function d3_hcl(h, c, l) { | |
1620 return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new 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) : new d3_hcl(h, c, l); | |
1621 } | |
1622 var d3_hclPrototype = d3_hcl.prototype = new d3_color(); | |
1623 d3_hclPrototype.brighter = function(k) { | |
1624 return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); | |
1625 }; | |
1626 d3_hclPrototype.darker = function(k) { | |
1627 return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); | |
1628 }; | |
1629 d3_hclPrototype.rgb = function() { | |
1630 return d3_hcl_lab(this.h, this.c, this.l).rgb(); | |
1631 }; | |
1632 function d3_hcl_lab(h, c, l) { | |
1633 if (isNaN(h)) h = 0; | |
1634 if (isNaN(c)) c = 0; | |
1635 return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); | |
1636 } | |
1637 d3.lab = d3_lab; | |
1638 function d3_lab(l, a, b) { | |
1639 return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b); | |
1640 } | |
1641 var d3_lab_K = 18; | |
1642 var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; | |
1643 var d3_labPrototype = d3_lab.prototype = new d3_color(); | |
1644 d3_labPrototype.brighter = function(k) { | |
1645 return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); | |
1646 }; | |
1647 d3_labPrototype.darker = function(k) { | |
1648 return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); | |
1649 }; | |
1650 d3_labPrototype.rgb = function() { | |
1651 return d3_lab_rgb(this.l, this.a, this.b); | |
1652 }; | |
1653 function d3_lab_rgb(l, a, b) { | |
1654 var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; | |
1655 x = d3_lab_xyz(x) * d3_lab_X; | |
1656 y = d3_lab_xyz(y) * d3_lab_Y; | |
1657 z = d3_lab_xyz(z) * d3_lab_Z; | |
1658 return new 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)); | |
1659 } | |
1660 function d3_lab_hcl(l, a, b) { | |
1661 return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l); | |
1662 } | |
1663 function d3_lab_xyz(x) { | |
1664 return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; | |
1665 } | |
1666 function d3_xyz_lab(x) { | |
1667 return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; | |
1668 } | |
1669 function d3_xyz_rgb(r) { | |
1670 return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); | |
1671 } | |
1672 d3.rgb = d3_rgb; | |
1673 function d3_rgb(r, g, b) { | |
1674 return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b); | |
1675 } | |
1676 function d3_rgbNumber(value) { | |
1677 return new d3_rgb(value >> 16, value >> 8 & 255, value & 255); | |
1678 } | |
1679 function d3_rgbString(value) { | |
1680 return d3_rgbNumber(value) + ""; | |
1681 } | |
1682 var d3_rgbPrototype = d3_rgb.prototype = new d3_color(); | |
1683 d3_rgbPrototype.brighter = function(k) { | |
1684 k = Math.pow(.7, arguments.length ? k : 1); | |
1685 var r = this.r, g = this.g, b = this.b, i = 30; | |
1686 if (!r && !g && !b) return new d3_rgb(i, i, i); | |
1687 if (r && r < i) r = i; | |
1688 if (g && g < i) g = i; | |
1689 if (b && b < i) b = i; | |
1690 return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k)); | |
1691 }; | |
1692 d3_rgbPrototype.darker = function(k) { | |
1693 k = Math.pow(.7, arguments.length ? k : 1); | |
1694 return new d3_rgb(k * this.r, k * this.g, k * this.b); | |
1695 }; | |
1696 d3_rgbPrototype.hsl = function() { | |
1697 return d3_rgb_hsl(this.r, this.g, this.b); | |
1698 }; | |
1699 d3_rgbPrototype.toString = function() { | |
1700 return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); | |
1701 }; | |
1702 function d3_rgb_hex(v) { | |
1703 return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); | |
1704 } | |
1705 function d3_rgb_parse(format, rgb, hsl) { | |
1706 var r = 0, g = 0, b = 0, m1, m2, color; | |
1707 m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase()); | |
1708 if (m1) { | |
1709 m2 = m1[2].split(","); | |
1710 switch (m1[1]) { | |
1711 case "hsl": | |
1712 { | |
1713 return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); | |
1714 } | |
1715 | |
1716 case "rgb": | |
1717 { | |
1718 return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); | |
1719 } | |
1720 } | |
1721 } | |
1722 if (color = d3_rgb_names.get(format)) { | |
1723 return rgb(color.r, color.g, color.b); | |
1724 } | |
1725 if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) { | |
1726 if (format.length === 4) { | |
1727 r = (color & 3840) >> 4; | |
1728 r = r >> 4 | r; | |
1729 g = color & 240; | |
1730 g = g >> 4 | g; | |
1731 b = color & 15; | |
1732 b = b << 4 | b; | |
1733 } else if (format.length === 7) { | |
1734 r = (color & 16711680) >> 16; | |
1735 g = (color & 65280) >> 8; | |
1736 b = color & 255; | |
1737 } | |
1738 } | |
1739 return rgb(r, g, b); | |
1740 } | |
1741 function d3_rgb_hsl(r, g, b) { | |
1742 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; | |
1743 if (d) { | |
1744 s = l < .5 ? d / (max + min) : d / (2 - max - min); | |
1745 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; | |
1746 h *= 60; | |
1747 } else { | |
1748 h = NaN; | |
1749 s = l > 0 && l < 1 ? 0 : h; | |
1750 } | |
1751 return new d3_hsl(h, s, l); | |
1752 } | |
1753 function d3_rgb_lab(r, g, b) { | |
1754 r = d3_rgb_xyz(r); | |
1755 g = d3_rgb_xyz(g); | |
1756 b = d3_rgb_xyz(b); | |
1757 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); | |
1758 return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); | |
1759 } | |
1760 function d3_rgb_xyz(r) { | |
1761 return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); | |
1762 } | |
1763 function d3_rgb_parseNumber(c) { | |
1764 var f = parseFloat(c); | |
1765 return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; | |
1766 } | |
1767 var d3_rgb_names = d3.map({ | |
1768 aliceblue: 15792383, | |
1769 antiquewhite: 16444375, | |
1770 aqua: 65535, | |
1771 aquamarine: 8388564, | |
1772 azure: 15794175, | |
1773 beige: 16119260, | |
1774 bisque: 16770244, | |
1775 black: 0, | |
1776 blanchedalmond: 16772045, | |
1777 blue: 255, | |
1778 blueviolet: 9055202, | |
1779 brown: 10824234, | |
1780 burlywood: 14596231, | |
1781 cadetblue: 6266528, | |
1782 chartreuse: 8388352, | |
1783 chocolate: 13789470, | |
1784 coral: 16744272, | |
1785 cornflowerblue: 6591981, | |
1786 cornsilk: 16775388, | |
1787 crimson: 14423100, | |
1788 cyan: 65535, | |
1789 darkblue: 139, | |
1790 darkcyan: 35723, | |
1791 darkgoldenrod: 12092939, | |
1792 darkgray: 11119017, | |
1793 darkgreen: 25600, | |
1794 darkgrey: 11119017, | |
1795 darkkhaki: 12433259, | |
1796 darkmagenta: 9109643, | |
1797 darkolivegreen: 5597999, | |
1798 darkorange: 16747520, | |
1799 darkorchid: 10040012, | |
1800 darkred: 9109504, | |
1801 darksalmon: 15308410, | |
1802 darkseagreen: 9419919, | |
1803 darkslateblue: 4734347, | |
1804 darkslategray: 3100495, | |
1805 darkslategrey: 3100495, | |
1806 darkturquoise: 52945, | |
1807 darkviolet: 9699539, | |
1808 deeppink: 16716947, | |
1809 deepskyblue: 49151, | |
1810 dimgray: 6908265, | |
1811 dimgrey: 6908265, | |
1812 dodgerblue: 2003199, | |
1813 firebrick: 11674146, | |
1814 floralwhite: 16775920, | |
1815 forestgreen: 2263842, | |
1816 fuchsia: 16711935, | |
1817 gainsboro: 14474460, | |
1818 ghostwhite: 16316671, | |
1819 gold: 16766720, | |
1820 goldenrod: 14329120, | |
1821 gray: 8421504, | |
1822 green: 32768, | |
1823 greenyellow: 11403055, | |
1824 grey: 8421504, | |
1825 honeydew: 15794160, | |
1826 hotpink: 16738740, | |
1827 indianred: 13458524, | |
1828 indigo: 4915330, | |
1829 ivory: 16777200, | |
1830 khaki: 15787660, | |
1831 lavender: 15132410, | |
1832 lavenderblush: 16773365, | |
1833 lawngreen: 8190976, | |
1834 lemonchiffon: 16775885, | |
1835 lightblue: 11393254, | |
1836 lightcoral: 15761536, | |
1837 lightcyan: 14745599, | |
1838 lightgoldenrodyellow: 16448210, | |
1839 lightgray: 13882323, | |
1840 lightgreen: 9498256, | |
1841 lightgrey: 13882323, | |
1842 lightpink: 16758465, | |
1843 lightsalmon: 16752762, | |
1844 lightseagreen: 2142890, | |
1845 lightskyblue: 8900346, | |
1846 lightslategray: 7833753, | |
1847 lightslategrey: 7833753, | |
1848 lightsteelblue: 11584734, | |
1849 lightyellow: 16777184, | |
1850 lime: 65280, | |
1851 limegreen: 3329330, | |
1852 linen: 16445670, | |
1853 magenta: 16711935, | |
1854 maroon: 8388608, | |
1855 mediumaquamarine: 6737322, | |
1856 mediumblue: 205, | |
1857 mediumorchid: 12211667, | |
1858 mediumpurple: 9662683, | |
1859 mediumseagreen: 3978097, | |
1860 mediumslateblue: 8087790, | |
1861 mediumspringgreen: 64154, | |
1862 mediumturquoise: 4772300, | |
1863 mediumvioletred: 13047173, | |
1864 midnightblue: 1644912, | |
1865 mintcream: 16121850, | |
1866 mistyrose: 16770273, | |
1867 moccasin: 16770229, | |
1868 navajowhite: 16768685, | |
1869 navy: 128, | |
1870 oldlace: 16643558, | |
1871 olive: 8421376, | |
1872 olivedrab: 7048739, | |
1873 orange: 16753920, | |
1874 orangered: 16729344, | |
1875 orchid: 14315734, | |
1876 palegoldenrod: 15657130, | |
1877 palegreen: 10025880, | |
1878 paleturquoise: 11529966, | |
1879 palevioletred: 14381203, | |
1880 papayawhip: 16773077, | |
1881 peachpuff: 16767673, | |
1882 peru: 13468991, | |
1883 pink: 16761035, | |
1884 plum: 14524637, | |
1885 powderblue: 11591910, | |
1886 purple: 8388736, | |
1887 rebeccapurple: 6697881, | |
1888 red: 16711680, | |
1889 rosybrown: 12357519, | |
1890 royalblue: 4286945, | |
1891 saddlebrown: 9127187, | |
1892 salmon: 16416882, | |
1893 sandybrown: 16032864, | |
1894 seagreen: 3050327, | |
1895 seashell: 16774638, | |
1896 sienna: 10506797, | |
1897 silver: 12632256, | |
1898 skyblue: 8900331, | |
1899 slateblue: 6970061, | |
1900 slategray: 7372944, | |
1901 slategrey: 7372944, | |
1902 snow: 16775930, | |
1903 springgreen: 65407, | |
1904 steelblue: 4620980, | |
1905 tan: 13808780, | |
1906 teal: 32896, | |
1907 thistle: 14204888, | |
1908 tomato: 16737095, | |
1909 turquoise: 4251856, | |
1910 violet: 15631086, | |
1911 wheat: 16113331, | |
1912 white: 16777215, | |
1913 whitesmoke: 16119285, | |
1914 yellow: 16776960, | |
1915 yellowgreen: 10145074 | |
1916 }); | |
1917 d3_rgb_names.forEach(function(key, value) { | |
1918 d3_rgb_names.set(key, d3_rgbNumber(value)); | |
1919 }); | |
1920 function d3_functor(v) { | |
1921 return typeof v === "function" ? v : function() { | |
1922 return v; | |
1923 }; | |
1924 } | |
1925 d3.functor = d3_functor; | |
1926 d3.xhr = d3_xhrType(d3_identity); | |
1927 function d3_xhrType(response) { | |
1928 return function(url, mimeType, callback) { | |
1929 if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, | |
1930 mimeType = null; | |
1931 return d3_xhr(url, mimeType, response, callback); | |
1932 }; | |
1933 } | |
1934 function d3_xhr(url, mimeType, response, callback) { | |
1935 var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; | |
1936 if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); | |
1937 "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { | |
1938 request.readyState > 3 && respond(); | |
1939 }; | |
1940 function respond() { | |
1941 var status = request.status, result; | |
1942 if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) { | |
1943 try { | |
1944 result = response.call(xhr, request); | |
1945 } catch (e) { | |
1946 dispatch.error.call(xhr, e); | |
1947 return; | |
1948 } | |
1949 dispatch.load.call(xhr, result); | |
1950 } else { | |
1951 dispatch.error.call(xhr, request); | |
1952 } | |
1953 } | |
1954 request.onprogress = function(event) { | |
1955 var o = d3.event; | |
1956 d3.event = event; | |
1957 try { | |
1958 dispatch.progress.call(xhr, request); | |
1959 } finally { | |
1960 d3.event = o; | |
1961 } | |
1962 }; | |
1963 xhr.header = function(name, value) { | |
1964 name = (name + "").toLowerCase(); | |
1965 if (arguments.length < 2) return headers[name]; | |
1966 if (value == null) delete headers[name]; else headers[name] = value + ""; | |
1967 return xhr; | |
1968 }; | |
1969 xhr.mimeType = function(value) { | |
1970 if (!arguments.length) return mimeType; | |
1971 mimeType = value == null ? null : value + ""; | |
1972 return xhr; | |
1973 }; | |
1974 xhr.responseType = function(value) { | |
1975 if (!arguments.length) return responseType; | |
1976 responseType = value; | |
1977 return xhr; | |
1978 }; | |
1979 xhr.response = function(value) { | |
1980 response = value; | |
1981 return xhr; | |
1982 }; | |
1983 [ "get", "post" ].forEach(function(method) { | |
1984 xhr[method] = function() { | |
1985 return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); | |
1986 }; | |
1987 }); | |
1988 xhr.send = function(method, data, callback) { | |
1989 if (arguments.length === 2 && typeof data === "function") callback = data, data = null; | |
1990 request.open(method, url, true); | |
1991 if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; | |
1992 if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); | |
1993 if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); | |
1994 if (responseType != null) request.responseType = responseType; | |
1995 if (callback != null) xhr.on("error", callback).on("load", function(request) { | |
1996 callback(null, request); | |
1997 }); | |
1998 dispatch.beforesend.call(xhr, request); | |
1999 request.send(data == null ? null : data); | |
2000 return xhr; | |
2001 }; | |
2002 xhr.abort = function() { | |
2003 request.abort(); | |
2004 return xhr; | |
2005 }; | |
2006 d3.rebind(xhr, dispatch, "on"); | |
2007 return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); | |
2008 } | |
2009 function d3_xhr_fixCallback(callback) { | |
2010 return callback.length === 1 ? function(error, request) { | |
2011 callback(error == null ? request : null); | |
2012 } : callback; | |
2013 } | |
2014 function d3_xhrHasResponse(request) { | |
2015 var type = request.responseType; | |
2016 return type && type !== "text" ? request.response : request.responseText; | |
2017 } | |
2018 d3.dsv = function(delimiter, mimeType) { | |
2019 var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); | |
2020 function dsv(url, row, callback) { | |
2021 if (arguments.length < 3) callback = row, row = null; | |
2022 var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback); | |
2023 xhr.row = function(_) { | |
2024 return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; | |
2025 }; | |
2026 return xhr; | |
2027 } | |
2028 function response(request) { | |
2029 return dsv.parse(request.responseText); | |
2030 } | |
2031 function typedResponse(f) { | |
2032 return function(request) { | |
2033 return dsv.parse(request.responseText, f); | |
2034 }; | |
2035 } | |
2036 dsv.parse = function(text, f) { | |
2037 var o; | |
2038 return dsv.parseRows(text, function(row, i) { | |
2039 if (o) return o(row, i - 1); | |
2040 var a = new Function("d", "return {" + row.map(function(name, i) { | |
2041 return JSON.stringify(name) + ": d[" + i + "]"; | |
2042 }).join(",") + "}"); | |
2043 o = f ? function(row, i) { | |
2044 return f(a(row), i); | |
2045 } : a; | |
2046 }); | |
2047 }; | |
2048 dsv.parseRows = function(text, f) { | |
2049 var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; | |
2050 function token() { | |
2051 if (I >= N) return EOF; | |
2052 if (eol) return eol = false, EOL; | |
2053 var j = I; | |
2054 if (text.charCodeAt(j) === 34) { | |
2055 var i = j; | |
2056 while (i++ < N) { | |
2057 if (text.charCodeAt(i) === 34) { | |
2058 if (text.charCodeAt(i + 1) !== 34) break; | |
2059 ++i; | |
2060 } | |
2061 } | |
2062 I = i + 2; | |
2063 var c = text.charCodeAt(i + 1); | |
2064 if (c === 13) { | |
2065 eol = true; | |
2066 if (text.charCodeAt(i + 2) === 10) ++I; | |
2067 } else if (c === 10) { | |
2068 eol = true; | |
2069 } | |
2070 return text.slice(j + 1, i).replace(/""/g, '"'); | |
2071 } | |
2072 while (I < N) { | |
2073 var c = text.charCodeAt(I++), k = 1; | |
2074 if (c === 10) eol = true; else if (c === 13) { | |
2075 eol = true; | |
2076 if (text.charCodeAt(I) === 10) ++I, ++k; | |
2077 } else if (c !== delimiterCode) continue; | |
2078 return text.slice(j, I - k); | |
2079 } | |
2080 return text.slice(j); | |
2081 } | |
2082 while ((t = token()) !== EOF) { | |
2083 var a = []; | |
2084 while (t !== EOL && t !== EOF) { | |
2085 a.push(t); | |
2086 t = token(); | |
2087 } | |
2088 if (f && (a = f(a, n++)) == null) continue; | |
2089 rows.push(a); | |
2090 } | |
2091 return rows; | |
2092 }; | |
2093 dsv.format = function(rows) { | |
2094 if (Array.isArray(rows[0])) return dsv.formatRows(rows); | |
2095 var fieldSet = new d3_Set(), fields = []; | |
2096 rows.forEach(function(row) { | |
2097 for (var field in row) { | |
2098 if (!fieldSet.has(field)) { | |
2099 fields.push(fieldSet.add(field)); | |
2100 } | |
2101 } | |
2102 }); | |
2103 return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { | |
2104 return fields.map(function(field) { | |
2105 return formatValue(row[field]); | |
2106 }).join(delimiter); | |
2107 })).join("\n"); | |
2108 }; | |
2109 dsv.formatRows = function(rows) { | |
2110 return rows.map(formatRow).join("\n"); | |
2111 }; | |
2112 function formatRow(row) { | |
2113 return row.map(formatValue).join(delimiter); | |
2114 } | |
2115 function formatValue(text) { | |
2116 return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; | |
2117 } | |
2118 return dsv; | |
2119 }; | |
2120 d3.csv = d3.dsv(",", "text/csv"); | |
2121 d3.tsv = d3.dsv(" ", "text/tab-separated-values"); | |
2122 var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { | |
2123 setTimeout(callback, 17); | |
2124 }; | |
2125 d3.timer = function() { | |
2126 d3_timer.apply(this, arguments); | |
2127 }; | |
2128 function d3_timer(callback, delay, then) { | |
2129 var n = arguments.length; | |
2130 if (n < 2) delay = 0; | |
2131 if (n < 3) then = Date.now(); | |
2132 var time = then + delay, timer = { | |
2133 c: callback, | |
2134 t: time, | |
2135 n: null | |
2136 }; | |
2137 if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; | |
2138 d3_timer_queueTail = timer; | |
2139 if (!d3_timer_interval) { | |
2140 d3_timer_timeout = clearTimeout(d3_timer_timeout); | |
2141 d3_timer_interval = 1; | |
2142 d3_timer_frame(d3_timer_step); | |
2143 } | |
2144 return timer; | |
2145 } | |
2146 function d3_timer_step() { | |
2147 var now = d3_timer_mark(), delay = d3_timer_sweep() - now; | |
2148 if (delay > 24) { | |
2149 if (isFinite(delay)) { | |
2150 clearTimeout(d3_timer_timeout); | |
2151 d3_timer_timeout = setTimeout(d3_timer_step, delay); | |
2152 } | |
2153 d3_timer_interval = 0; | |
2154 } else { | |
2155 d3_timer_interval = 1; | |
2156 d3_timer_frame(d3_timer_step); | |
2157 } | |
2158 } | |
2159 d3.timer.flush = function() { | |
2160 d3_timer_mark(); | |
2161 d3_timer_sweep(); | |
2162 }; | |
2163 function d3_timer_mark() { | |
2164 var now = Date.now(), timer = d3_timer_queueHead; | |
2165 while (timer) { | |
2166 if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; | |
2167 timer = timer.n; | |
2168 } | |
2169 return now; | |
2170 } | |
2171 function d3_timer_sweep() { | |
2172 var t0, t1 = d3_timer_queueHead, time = Infinity; | |
2173 while (t1) { | |
2174 if (t1.c) { | |
2175 if (t1.t < time) time = t1.t; | |
2176 t1 = (t0 = t1).n; | |
2177 } else { | |
2178 t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; | |
2179 } | |
2180 } | |
2181 d3_timer_queueTail = t0; | |
2182 return time; | |
2183 } | |
2184 function d3_format_precision(x, p) { | |
2185 return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); | |
2186 } | |
2187 d3.round = function(x, n) { | |
2188 return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); | |
2189 }; | |
2190 var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); | |
2191 d3.formatPrefix = function(value, precision) { | |
2192 var i = 0; | |
2193 if (value = +value) { | |
2194 if (value < 0) value *= -1; | |
2195 if (precision) value = d3.round(value, d3_format_precision(value, precision)); | |
2196 i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); | |
2197 i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3)); | |
2198 } | |
2199 return d3_formatPrefixes[8 + i / 3]; | |
2200 }; | |
2201 function d3_formatPrefix(d, i) { | |
2202 var k = Math.pow(10, abs(8 - i) * 3); | |
2203 return { | |
2204 scale: i > 8 ? function(d) { | |
2205 return d / k; | |
2206 } : function(d) { | |
2207 return d * k; | |
2208 }, | |
2209 symbol: d | |
2210 }; | |
2211 } | |
2212 function d3_locale_numberFormat(locale) { | |
2213 var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) { | |
2214 var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0; | |
2215 while (i > 0 && g > 0) { | |
2216 if (length + g + 1 > width) g = Math.max(1, width - length); | |
2217 t.push(value.substring(i -= g, i + g)); | |
2218 if ((length += g + 1) > width) break; | |
2219 g = locale_grouping[j = (j + 1) % locale_grouping.length]; | |
2220 } | |
2221 return t.reverse().join(locale_thousands); | |
2222 } : d3_identity; | |
2223 return function(specifier) { | |
2224 var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true; | |
2225 if (precision) precision = +precision.substring(1); | |
2226 if (zfill || fill === "0" && align === "=") { | |
2227 zfill = fill = "0"; | |
2228 align = "="; | |
2229 } | |
2230 switch (type) { | |
2231 case "n": | |
2232 comma = true; | |
2233 type = "g"; | |
2234 break; | |
2235 | |
2236 case "%": | |
2237 scale = 100; | |
2238 suffix = "%"; | |
2239 type = "f"; | |
2240 break; | |
2241 | |
2242 case "p": | |
2243 scale = 100; | |
2244 suffix = "%"; | |
2245 type = "r"; | |
2246 break; | |
2247 | |
2248 case "b": | |
2249 case "o": | |
2250 case "x": | |
2251 case "X": | |
2252 if (symbol === "#") prefix = "0" + type.toLowerCase(); | |
2253 | |
2254 case "c": | |
2255 exponent = false; | |
2256 | |
2257 case "d": | |
2258 integer = true; | |
2259 precision = 0; | |
2260 break; | |
2261 | |
2262 case "s": | |
2263 scale = -1; | |
2264 type = "r"; | |
2265 break; | |
2266 } | |
2267 if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; | |
2268 if (type == "r" && !precision) type = "g"; | |
2269 if (precision != null) { | |
2270 if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); | |
2271 } | |
2272 type = d3_format_types.get(type) || d3_format_typeDefault; | |
2273 var zcomma = zfill && comma; | |
2274 return function(value) { | |
2275 var fullSuffix = suffix; | |
2276 if (integer && value % 1) return ""; | |
2277 var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign; | |
2278 if (scale < 0) { | |
2279 var unit = d3.formatPrefix(value, precision); | |
2280 value = unit.scale(value); | |
2281 fullSuffix = unit.symbol + suffix; | |
2282 } else { | |
2283 value *= scale; | |
2284 } | |
2285 value = type(value, precision); | |
2286 var i = value.lastIndexOf("."), before, after; | |
2287 if (i < 0) { | |
2288 var j = exponent ? value.lastIndexOf("e") : -1; | |
2289 if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j); | |
2290 } else { | |
2291 before = value.substring(0, i); | |
2292 after = locale_decimal + value.substring(i + 1); | |
2293 } | |
2294 if (!zfill && comma) before = formatGroup(before, Infinity); | |
2295 var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; | |
2296 if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity); | |
2297 negative += prefix; | |
2298 value = before + after; | |
2299 return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; | |
2300 }; | |
2301 }; | |
2302 } | |
2303 var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; | |
2304 var d3_format_types = d3.map({ | |
2305 b: function(x) { | |
2306 return x.toString(2); | |
2307 }, | |
2308 c: function(x) { | |
2309 return String.fromCharCode(x); | |
2310 }, | |
2311 o: function(x) { | |
2312 return x.toString(8); | |
2313 }, | |
2314 x: function(x) { | |
2315 return x.toString(16); | |
2316 }, | |
2317 X: function(x) { | |
2318 return x.toString(16).toUpperCase(); | |
2319 }, | |
2320 g: function(x, p) { | |
2321 return x.toPrecision(p); | |
2322 }, | |
2323 e: function(x, p) { | |
2324 return x.toExponential(p); | |
2325 }, | |
2326 f: function(x, p) { | |
2327 return x.toFixed(p); | |
2328 }, | |
2329 r: function(x, p) { | |
2330 return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); | |
2331 } | |
2332 }); | |
2333 function d3_format_typeDefault(x) { | |
2334 return x + ""; | |
2335 } | |
2336 var d3_time = d3.time = {}, d3_date = Date; | |
2337 function d3_date_utc() { | |
2338 this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); | |
2339 } | |
2340 d3_date_utc.prototype = { | |
2341 getDate: function() { | |
2342 return this._.getUTCDate(); | |
2343 }, | |
2344 getDay: function() { | |
2345 return this._.getUTCDay(); | |
2346 }, | |
2347 getFullYear: function() { | |
2348 return this._.getUTCFullYear(); | |
2349 }, | |
2350 getHours: function() { | |
2351 return this._.getUTCHours(); | |
2352 }, | |
2353 getMilliseconds: function() { | |
2354 return this._.getUTCMilliseconds(); | |
2355 }, | |
2356 getMinutes: function() { | |
2357 return this._.getUTCMinutes(); | |
2358 }, | |
2359 getMonth: function() { | |
2360 return this._.getUTCMonth(); | |
2361 }, | |
2362 getSeconds: function() { | |
2363 return this._.getUTCSeconds(); | |
2364 }, | |
2365 getTime: function() { | |
2366 return this._.getTime(); | |
2367 }, | |
2368 getTimezoneOffset: function() { | |
2369 return 0; | |
2370 }, | |
2371 valueOf: function() { | |
2372 return this._.valueOf(); | |
2373 }, | |
2374 setDate: function() { | |
2375 d3_time_prototype.setUTCDate.apply(this._, arguments); | |
2376 }, | |
2377 setDay: function() { | |
2378 d3_time_prototype.setUTCDay.apply(this._, arguments); | |
2379 }, | |
2380 setFullYear: function() { | |
2381 d3_time_prototype.setUTCFullYear.apply(this._, arguments); | |
2382 }, | |
2383 setHours: function() { | |
2384 d3_time_prototype.setUTCHours.apply(this._, arguments); | |
2385 }, | |
2386 setMilliseconds: function() { | |
2387 d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); | |
2388 }, | |
2389 setMinutes: function() { | |
2390 d3_time_prototype.setUTCMinutes.apply(this._, arguments); | |
2391 }, | |
2392 setMonth: function() { | |
2393 d3_time_prototype.setUTCMonth.apply(this._, arguments); | |
2394 }, | |
2395 setSeconds: function() { | |
2396 d3_time_prototype.setUTCSeconds.apply(this._, arguments); | |
2397 }, | |
2398 setTime: function() { | |
2399 d3_time_prototype.setTime.apply(this._, arguments); | |
2400 } | |
2401 }; | |
2402 var d3_time_prototype = Date.prototype; | |
2403 function d3_time_interval(local, step, number) { | |
2404 function round(date) { | |
2405 var d0 = local(date), d1 = offset(d0, 1); | |
2406 return date - d0 < d1 - date ? d0 : d1; | |
2407 } | |
2408 function ceil(date) { | |
2409 step(date = local(new d3_date(date - 1)), 1); | |
2410 return date; | |
2411 } | |
2412 function offset(date, k) { | |
2413 step(date = new d3_date(+date), k); | |
2414 return date; | |
2415 } | |
2416 function range(t0, t1, dt) { | |
2417 var time = ceil(t0), times = []; | |
2418 if (dt > 1) { | |
2419 while (time < t1) { | |
2420 if (!(number(time) % dt)) times.push(new Date(+time)); | |
2421 step(time, 1); | |
2422 } | |
2423 } else { | |
2424 while (time < t1) times.push(new Date(+time)), step(time, 1); | |
2425 } | |
2426 return times; | |
2427 } | |
2428 function range_utc(t0, t1, dt) { | |
2429 try { | |
2430 d3_date = d3_date_utc; | |
2431 var utc = new d3_date_utc(); | |
2432 utc._ = t0; | |
2433 return range(utc, t1, dt); | |
2434 } finally { | |
2435 d3_date = Date; | |
2436 } | |
2437 } | |
2438 local.floor = local; | |
2439 local.round = round; | |
2440 local.ceil = ceil; | |
2441 local.offset = offset; | |
2442 local.range = range; | |
2443 var utc = local.utc = d3_time_interval_utc(local); | |
2444 utc.floor = utc; | |
2445 utc.round = d3_time_interval_utc(round); | |
2446 utc.ceil = d3_time_interval_utc(ceil); | |
2447 utc.offset = d3_time_interval_utc(offset); | |
2448 utc.range = range_utc; | |
2449 return local; | |
2450 } | |
2451 function d3_time_interval_utc(method) { | |
2452 return function(date, k) { | |
2453 try { | |
2454 d3_date = d3_date_utc; | |
2455 var utc = new d3_date_utc(); | |
2456 utc._ = date; | |
2457 return method(utc, k)._; | |
2458 } finally { | |
2459 d3_date = Date; | |
2460 } | |
2461 }; | |
2462 } | |
2463 d3_time.year = d3_time_interval(function(date) { | |
2464 date = d3_time.day(date); | |
2465 date.setMonth(0, 1); | |
2466 return date; | |
2467 }, function(date, offset) { | |
2468 date.setFullYear(date.getFullYear() + offset); | |
2469 }, function(date) { | |
2470 return date.getFullYear(); | |
2471 }); | |
2472 d3_time.years = d3_time.year.range; | |
2473 d3_time.years.utc = d3_time.year.utc.range; | |
2474 d3_time.day = d3_time_interval(function(date) { | |
2475 var day = new d3_date(2e3, 0); | |
2476 day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); | |
2477 return day; | |
2478 }, function(date, offset) { | |
2479 date.setDate(date.getDate() + offset); | |
2480 }, function(date) { | |
2481 return date.getDate() - 1; | |
2482 }); | |
2483 d3_time.days = d3_time.day.range; | |
2484 d3_time.days.utc = d3_time.day.utc.range; | |
2485 d3_time.dayOfYear = function(date) { | |
2486 var year = d3_time.year(date); | |
2487 return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); | |
2488 }; | |
2489 [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { | |
2490 i = 7 - i; | |
2491 var interval = d3_time[day] = d3_time_interval(function(date) { | |
2492 (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); | |
2493 return date; | |
2494 }, function(date, offset) { | |
2495 date.setDate(date.getDate() + Math.floor(offset) * 7); | |
2496 }, function(date) { | |
2497 var day = d3_time.year(date).getDay(); | |
2498 return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); | |
2499 }); | |
2500 d3_time[day + "s"] = interval.range; | |
2501 d3_time[day + "s"].utc = interval.utc.range; | |
2502 d3_time[day + "OfYear"] = function(date) { | |
2503 var day = d3_time.year(date).getDay(); | |
2504 return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7); | |
2505 }; | |
2506 }); | |
2507 d3_time.week = d3_time.sunday; | |
2508 d3_time.weeks = d3_time.sunday.range; | |
2509 d3_time.weeks.utc = d3_time.sunday.utc.range; | |
2510 d3_time.weekOfYear = d3_time.sundayOfYear; | |
2511 function d3_locale_timeFormat(locale) { | |
2512 var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; | |
2513 function d3_time_format(template) { | |
2514 var n = template.length; | |
2515 function format(date) { | |
2516 var string = [], i = -1, j = 0, c, p, f; | |
2517 while (++i < n) { | |
2518 if (template.charCodeAt(i) === 37) { | |
2519 string.push(template.slice(j, i)); | |
2520 if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); | |
2521 if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); | |
2522 string.push(c); | |
2523 j = i + 1; | |
2524 } | |
2525 } | |
2526 string.push(template.slice(j, i)); | |
2527 return string.join(""); | |
2528 } | |
2529 format.parse = function(string) { | |
2530 var d = { | |
2531 y: 1900, | |
2532 m: 0, | |
2533 d: 1, | |
2534 H: 0, | |
2535 M: 0, | |
2536 S: 0, | |
2537 L: 0, | |
2538 Z: null | |
2539 }, i = d3_time_parse(d, template, string, 0); | |
2540 if (i != string.length) return null; | |
2541 if ("p" in d) d.H = d.H % 12 + d.p * 12; | |
2542 var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); | |
2543 if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) { | |
2544 if (!("w" in d)) d.w = "W" in d ? 1 : 0; | |
2545 date.setFullYear(d.y, 0, 1); | |
2546 date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); | |
2547 } else date.setFullYear(d.y, d.m, d.d); | |
2548 date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L); | |
2549 return localZ ? date._ : date; | |
2550 }; | |
2551 format.toString = function() { | |
2552 return template; | |
2553 }; | |
2554 return format; | |
2555 } | |
2556 function d3_time_parse(date, template, string, j) { | |
2557 var c, p, t, i = 0, n = template.length, m = string.length; | |
2558 while (i < n) { | |
2559 if (j >= m) return -1; | |
2560 c = template.charCodeAt(i++); | |
2561 if (c === 37) { | |
2562 t = template.charAt(i++); | |
2563 p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; | |
2564 if (!p || (j = p(date, string, j)) < 0) return -1; | |
2565 } else if (c != string.charCodeAt(j++)) { | |
2566 return -1; | |
2567 } | |
2568 } | |
2569 return j; | |
2570 } | |
2571 d3_time_format.utc = function(template) { | |
2572 var local = d3_time_format(template); | |
2573 function format(date) { | |
2574 try { | |
2575 d3_date = d3_date_utc; | |
2576 var utc = new d3_date(); | |
2577 utc._ = date; | |
2578 return local(utc); | |
2579 } finally { | |
2580 d3_date = Date; | |
2581 } | |
2582 } | |
2583 format.parse = function(string) { | |
2584 try { | |
2585 d3_date = d3_date_utc; | |
2586 var date = local.parse(string); | |
2587 return date && date._; | |
2588 } finally { | |
2589 d3_date = Date; | |
2590 } | |
2591 }; | |
2592 format.toString = local.toString; | |
2593 return format; | |
2594 }; | |
2595 d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; | |
2596 var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); | |
2597 locale_periods.forEach(function(p, i) { | |
2598 d3_time_periodLookup.set(p.toLowerCase(), i); | |
2599 }); | |
2600 var d3_time_formats = { | |
2601 a: function(d) { | |
2602 return locale_shortDays[d.getDay()]; | |
2603 }, | |
2604 A: function(d) { | |
2605 return locale_days[d.getDay()]; | |
2606 }, | |
2607 b: function(d) { | |
2608 return locale_shortMonths[d.getMonth()]; | |
2609 }, | |
2610 B: function(d) { | |
2611 return locale_months[d.getMonth()]; | |
2612 }, | |
2613 c: d3_time_format(locale_dateTime), | |
2614 d: function(d, p) { | |
2615 return d3_time_formatPad(d.getDate(), p, 2); | |
2616 }, | |
2617 e: function(d, p) { | |
2618 return d3_time_formatPad(d.getDate(), p, 2); | |
2619 }, | |
2620 H: function(d, p) { | |
2621 return d3_time_formatPad(d.getHours(), p, 2); | |
2622 }, | |
2623 I: function(d, p) { | |
2624 return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); | |
2625 }, | |
2626 j: function(d, p) { | |
2627 return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3); | |
2628 }, | |
2629 L: function(d, p) { | |
2630 return d3_time_formatPad(d.getMilliseconds(), p, 3); | |
2631 }, | |
2632 m: function(d, p) { | |
2633 return d3_time_formatPad(d.getMonth() + 1, p, 2); | |
2634 }, | |
2635 M: function(d, p) { | |
2636 return d3_time_formatPad(d.getMinutes(), p, 2); | |
2637 }, | |
2638 p: function(d) { | |
2639 return locale_periods[+(d.getHours() >= 12)]; | |
2640 }, | |
2641 S: function(d, p) { | |
2642 return d3_time_formatPad(d.getSeconds(), p, 2); | |
2643 }, | |
2644 U: function(d, p) { | |
2645 return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2); | |
2646 }, | |
2647 w: function(d) { | |
2648 return d.getDay(); | |
2649 }, | |
2650 W: function(d, p) { | |
2651 return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2); | |
2652 }, | |
2653 x: d3_time_format(locale_date), | |
2654 X: d3_time_format(locale_time), | |
2655 y: function(d, p) { | |
2656 return d3_time_formatPad(d.getFullYear() % 100, p, 2); | |
2657 }, | |
2658 Y: function(d, p) { | |
2659 return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); | |
2660 }, | |
2661 Z: d3_time_zone, | |
2662 "%": function() { | |
2663 return "%"; | |
2664 } | |
2665 }; | |
2666 var d3_time_parsers = { | |
2667 a: d3_time_parseWeekdayAbbrev, | |
2668 A: d3_time_parseWeekday, | |
2669 b: d3_time_parseMonthAbbrev, | |
2670 B: d3_time_parseMonth, | |
2671 c: d3_time_parseLocaleFull, | |
2672 d: d3_time_parseDay, | |
2673 e: d3_time_parseDay, | |
2674 H: d3_time_parseHour24, | |
2675 I: d3_time_parseHour24, | |
2676 j: d3_time_parseDayOfYear, | |
2677 L: d3_time_parseMilliseconds, | |
2678 m: d3_time_parseMonthNumber, | |
2679 M: d3_time_parseMinutes, | |
2680 p: d3_time_parseAmPm, | |
2681 S: d3_time_parseSeconds, | |
2682 U: d3_time_parseWeekNumberSunday, | |
2683 w: d3_time_parseWeekdayNumber, | |
2684 W: d3_time_parseWeekNumberMonday, | |
2685 x: d3_time_parseLocaleDate, | |
2686 X: d3_time_parseLocaleTime, | |
2687 y: d3_time_parseYear, | |
2688 Y: d3_time_parseFullYear, | |
2689 Z: d3_time_parseZone, | |
2690 "%": d3_time_parseLiteralPercent | |
2691 }; | |
2692 function d3_time_parseWeekdayAbbrev(date, string, i) { | |
2693 d3_time_dayAbbrevRe.lastIndex = 0; | |
2694 var n = d3_time_dayAbbrevRe.exec(string.slice(i)); | |
2695 return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; | |
2696 } | |
2697 function d3_time_parseWeekday(date, string, i) { | |
2698 d3_time_dayRe.lastIndex = 0; | |
2699 var n = d3_time_dayRe.exec(string.slice(i)); | |
2700 return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; | |
2701 } | |
2702 function d3_time_parseMonthAbbrev(date, string, i) { | |
2703 d3_time_monthAbbrevRe.lastIndex = 0; | |
2704 var n = d3_time_monthAbbrevRe.exec(string.slice(i)); | |
2705 return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; | |
2706 } | |
2707 function d3_time_parseMonth(date, string, i) { | |
2708 d3_time_monthRe.lastIndex = 0; | |
2709 var n = d3_time_monthRe.exec(string.slice(i)); | |
2710 return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; | |
2711 } | |
2712 function d3_time_parseLocaleFull(date, string, i) { | |
2713 return d3_time_parse(date, d3_time_formats.c.toString(), string, i); | |
2714 } | |
2715 function d3_time_parseLocaleDate(date, string, i) { | |
2716 return d3_time_parse(date, d3_time_formats.x.toString(), string, i); | |
2717 } | |
2718 function d3_time_parseLocaleTime(date, string, i) { | |
2719 return d3_time_parse(date, d3_time_formats.X.toString(), string, i); | |
2720 } | |
2721 function d3_time_parseAmPm(date, string, i) { | |
2722 var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase()); | |
2723 return n == null ? -1 : (date.p = n, i); | |
2724 } | |
2725 return d3_time_format; | |
2726 } | |
2727 var d3_time_formatPads = { | |
2728 "-": "", | |
2729 _: " ", | |
2730 "0": "0" | |
2731 }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; | |
2732 function d3_time_formatPad(value, fill, width) { | |
2733 var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; | |
2734 return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); | |
2735 } | |
2736 function d3_time_formatRe(names) { | |
2737 return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); | |
2738 } | |
2739 function d3_time_formatLookup(names) { | |
2740 var map = new d3_Map(), i = -1, n = names.length; | |
2741 while (++i < n) map.set(names[i].toLowerCase(), i); | |
2742 return map; | |
2743 } | |
2744 function d3_time_parseWeekdayNumber(date, string, i) { | |
2745 d3_time_numberRe.lastIndex = 0; | |
2746 var n = d3_time_numberRe.exec(string.slice(i, i + 1)); | |
2747 return n ? (date.w = +n[0], i + n[0].length) : -1; | |
2748 } | |
2749 function d3_time_parseWeekNumberSunday(date, string, i) { | |
2750 d3_time_numberRe.lastIndex = 0; | |
2751 var n = d3_time_numberRe.exec(string.slice(i)); | |
2752 return n ? (date.U = +n[0], i + n[0].length) : -1; | |
2753 } | |
2754 function d3_time_parseWeekNumberMonday(date, string, i) { | |
2755 d3_time_numberRe.lastIndex = 0; | |
2756 var n = d3_time_numberRe.exec(string.slice(i)); | |
2757 return n ? (date.W = +n[0], i + n[0].length) : -1; | |
2758 } | |
2759 function d3_time_parseFullYear(date, string, i) { | |
2760 d3_time_numberRe.lastIndex = 0; | |
2761 var n = d3_time_numberRe.exec(string.slice(i, i + 4)); | |
2762 return n ? (date.y = +n[0], i + n[0].length) : -1; | |
2763 } | |
2764 function d3_time_parseYear(date, string, i) { | |
2765 d3_time_numberRe.lastIndex = 0; | |
2766 var n = d3_time_numberRe.exec(string.slice(i, i + 2)); | |
2767 return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; | |
2768 } | |
2769 function d3_time_parseZone(date, string, i) { | |
2770 return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, | |
2771 i + 5) : -1; | |
2772 } | |
2773 function d3_time_expandYear(d) { | |
2774 return d + (d > 68 ? 1900 : 2e3); | |
2775 } | |
2776 function d3_time_parseMonthNumber(date, string, i) { | |
2777 d3_time_numberRe.lastIndex = 0; | |
2778 var n = d3_time_numberRe.exec(string.slice(i, i + 2)); | |
2779 return n ? (date.m = n[0] - 1, i + n[0].length) : -1; | |
2780 } | |
2781 function d3_time_parseDay(date, string, i) { | |
2782 d3_time_numberRe.lastIndex = 0; | |
2783 var n = d3_time_numberRe.exec(string.slice(i, i + 2)); | |
2784 return n ? (date.d = +n[0], i + n[0].length) : -1; | |
2785 } | |
2786 function d3_time_parseDayOfYear(date, string, i) { | |
2787 d3_time_numberRe.lastIndex = 0; | |
2788 var n = d3_time_numberRe.exec(string.slice(i, i + 3)); | |
2789 return n ? (date.j = +n[0], i + n[0].length) : -1; | |
2790 } | |
2791 function d3_time_parseHour24(date, string, i) { | |
2792 d3_time_numberRe.lastIndex = 0; | |
2793 var n = d3_time_numberRe.exec(string.slice(i, i + 2)); | |
2794 return n ? (date.H = +n[0], i + n[0].length) : -1; | |
2795 } | |
2796 function d3_time_parseMinutes(date, string, i) { | |
2797 d3_time_numberRe.lastIndex = 0; | |
2798 var n = d3_time_numberRe.exec(string.slice(i, i + 2)); | |
2799 return n ? (date.M = +n[0], i + n[0].length) : -1; | |
2800 } | |
2801 function d3_time_parseSeconds(date, string, i) { | |
2802 d3_time_numberRe.lastIndex = 0; | |
2803 var n = d3_time_numberRe.exec(string.slice(i, i + 2)); | |
2804 return n ? (date.S = +n[0], i + n[0].length) : -1; | |
2805 } | |
2806 function d3_time_parseMilliseconds(date, string, i) { | |
2807 d3_time_numberRe.lastIndex = 0; | |
2808 var n = d3_time_numberRe.exec(string.slice(i, i + 3)); | |
2809 return n ? (date.L = +n[0], i + n[0].length) : -1; | |
2810 } | |
2811 function d3_time_zone(d) { | |
2812 var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60; | |
2813 return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); | |
2814 } | |
2815 function d3_time_parseLiteralPercent(date, string, i) { | |
2816 d3_time_percentRe.lastIndex = 0; | |
2817 var n = d3_time_percentRe.exec(string.slice(i, i + 1)); | |
2818 return n ? i + n[0].length : -1; | |
2819 } | |
2820 function d3_time_formatMulti(formats) { | |
2821 var n = formats.length, i = -1; | |
2822 while (++i < n) formats[i][0] = this(formats[i][0]); | |
2823 return function(date) { | |
2824 var i = 0, f = formats[i]; | |
2825 while (!f[1](date)) f = formats[++i]; | |
2826 return f[0](date); | |
2827 }; | |
2828 } | |
2829 d3.locale = function(locale) { | |
2830 return { | |
2831 numberFormat: d3_locale_numberFormat(locale), | |
2832 timeFormat: d3_locale_timeFormat(locale) | |
2833 }; | |
2834 }; | |
2835 var d3_locale_enUS = d3.locale({ | |
2836 decimal: ".", | |
2837 thousands: ",", | |
2838 grouping: [ 3 ], | |
2839 currency: [ "$", "" ], | |
2840 dateTime: "%a %b %e %X %Y", | |
2841 date: "%m/%d/%Y", | |
2842 time: "%H:%M:%S", | |
2843 periods: [ "AM", "PM" ], | |
2844 days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], | |
2845 shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], | |
2846 months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], | |
2847 shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] | |
2848 }); | |
2849 d3.format = d3_locale_enUS.numberFormat; | |
2850 d3.geo = {}; | |
2851 function d3_adder() {} | |
2852 d3_adder.prototype = { | |
2853 s: 0, | |
2854 t: 0, | |
2855 add: function(y) { | |
2856 d3_adderSum(y, this.t, d3_adderTemp); | |
2857 d3_adderSum(d3_adderTemp.s, this.s, this); | |
2858 if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; | |
2859 }, | |
2860 reset: function() { | |
2861 this.s = this.t = 0; | |
2862 }, | |
2863 valueOf: function() { | |
2864 return this.s; | |
2865 } | |
2866 }; | |
2867 var d3_adderTemp = new d3_adder(); | |
2868 function d3_adderSum(a, b, o) { | |
2869 var x = o.s = a + b, bv = x - a, av = x - bv; | |
2870 o.t = a - av + (b - bv); | |
2871 } | |
2872 d3.geo.stream = function(object, listener) { | |
2873 if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { | |
2874 d3_geo_streamObjectType[object.type](object, listener); | |
2875 } else { | |
2876 d3_geo_streamGeometry(object, listener); | |
2877 } | |
2878 }; | |
2879 function d3_geo_streamGeometry(geometry, listener) { | |
2880 if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { | |
2881 d3_geo_streamGeometryType[geometry.type](geometry, listener); | |
2882 } | |
2883 } | |
2884 var d3_geo_streamObjectType = { | |
2885 Feature: function(feature, listener) { | |
2886 d3_geo_streamGeometry(feature.geometry, listener); | |
2887 }, | |
2888 FeatureCollection: function(object, listener) { | |
2889 var features = object.features, i = -1, n = features.length; | |
2890 while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); | |
2891 } | |
2892 }; | |
2893 var d3_geo_streamGeometryType = { | |
2894 Sphere: function(object, listener) { | |
2895 listener.sphere(); | |
2896 }, | |
2897 Point: function(object, listener) { | |
2898 object = object.coordinates; | |
2899 listener.point(object[0], object[1], object[2]); | |
2900 }, | |
2901 MultiPoint: function(object, listener) { | |
2902 var coordinates = object.coordinates, i = -1, n = coordinates.length; | |
2903 while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); | |
2904 }, | |
2905 LineString: function(object, listener) { | |
2906 d3_geo_streamLine(object.coordinates, listener, 0); | |
2907 }, | |
2908 MultiLineString: function(object, listener) { | |
2909 var coordinates = object.coordinates, i = -1, n = coordinates.length; | |
2910 while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); | |
2911 }, | |
2912 Polygon: function(object, listener) { | |
2913 d3_geo_streamPolygon(object.coordinates, listener); | |
2914 }, | |
2915 MultiPolygon: function(object, listener) { | |
2916 var coordinates = object.coordinates, i = -1, n = coordinates.length; | |
2917 while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); | |
2918 }, | |
2919 GeometryCollection: function(object, listener) { | |
2920 var geometries = object.geometries, i = -1, n = geometries.length; | |
2921 while (++i < n) d3_geo_streamGeometry(geometries[i], listener); | |
2922 } | |
2923 }; | |
2924 function d3_geo_streamLine(coordinates, listener, closed) { | |
2925 var i = -1, n = coordinates.length - closed, coordinate; | |
2926 listener.lineStart(); | |
2927 while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]); | |
2928 listener.lineEnd(); | |
2929 } | |
2930 function d3_geo_streamPolygon(coordinates, listener) { | |
2931 var i = -1, n = coordinates.length; | |
2932 listener.polygonStart(); | |
2933 while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); | |
2934 listener.polygonEnd(); | |
2935 } | |
2936 d3.geo.area = function(object) { | |
2937 d3_geo_areaSum = 0; | |
2938 d3.geo.stream(object, d3_geo_area); | |
2939 return d3_geo_areaSum; | |
2940 }; | |
2941 var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); | |
2942 var d3_geo_area = { | |
2943 sphere: function() { | |
2944 d3_geo_areaSum += 4 * π; | |
2945 }, | |
2946 point: d3_noop, | |
2947 lineStart: d3_noop, | |
2948 lineEnd: d3_noop, | |
2949 polygonStart: function() { | |
2950 d3_geo_areaRingSum.reset(); | |
2951 d3_geo_area.lineStart = d3_geo_areaRingStart; | |
2952 }, | |
2953 polygonEnd: function() { | |
2954 var area = 2 * d3_geo_areaRingSum; | |
2955 d3_geo_areaSum += area < 0 ? 4 * π + area : area; | |
2956 d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; | |
2957 } | |
2958 }; | |
2959 function d3_geo_areaRingStart() { | |
2960 var λ00, φ00, λ0, cosφ0, sinφ0; | |
2961 d3_geo_area.point = function(λ, φ) { | |
2962 d3_geo_area.point = nextPoint; | |
2963 λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), | |
2964 sinφ0 = Math.sin(φ); | |
2965 }; | |
2966 function nextPoint(λ, φ) { | |
2967 λ *= d3_radians; | |
2968 φ = φ * d3_radians / 2 + π / 4; | |
2969 var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); | |
2970 d3_geo_areaRingSum.add(Math.atan2(v, u)); | |
2971 λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; | |
2972 } | |
2973 d3_geo_area.lineEnd = function() { | |
2974 nextPoint(λ00, φ00); | |
2975 }; | |
2976 } | |
2977 function d3_geo_cartesian(spherical) { | |
2978 var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); | |
2979 return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; | |
2980 } | |
2981 function d3_geo_cartesianDot(a, b) { | |
2982 return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; | |
2983 } | |
2984 function d3_geo_cartesianCross(a, b) { | |
2985 return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; | |
2986 } | |
2987 function d3_geo_cartesianAdd(a, b) { | |
2988 a[0] += b[0]; | |
2989 a[1] += b[1]; | |
2990 a[2] += b[2]; | |
2991 } | |
2992 function d3_geo_cartesianScale(vector, k) { | |
2993 return [ vector[0] * k, vector[1] * k, vector[2] * k ]; | |
2994 } | |
2995 function d3_geo_cartesianNormalize(d) { | |
2996 var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); | |
2997 d[0] /= l; | |
2998 d[1] /= l; | |
2999 d[2] /= l; | |
3000 } | |
3001 function d3_geo_spherical(cartesian) { | |
3002 return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; | |
3003 } | |
3004 function d3_geo_sphericalEqual(a, b) { | |
3005 return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; | |
3006 } | |
3007 d3.geo.bounds = function() { | |
3008 var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; | |
3009 var bound = { | |
3010 point: point, | |
3011 lineStart: lineStart, | |
3012 lineEnd: lineEnd, | |
3013 polygonStart: function() { | |
3014 bound.point = ringPoint; | |
3015 bound.lineStart = ringStart; | |
3016 bound.lineEnd = ringEnd; | |
3017 dλSum = 0; | |
3018 d3_geo_area.polygonStart(); | |
3019 }, | |
3020 polygonEnd: function() { | |
3021 d3_geo_area.polygonEnd(); | |
3022 bound.point = point; | |
3023 bound.lineStart = lineStart; | |
3024 bound.lineEnd = lineEnd; | |
3025 if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; | |
3026 range[0] = λ0, range[1] = λ1; | |
3027 } | |
3028 }; | |
3029 function point(λ, φ) { | |
3030 ranges.push(range = [ λ0 = λ, λ1 = λ ]); | |
3031 if (φ < φ0) φ0 = φ; | |
3032 if (φ > φ1) φ1 = φ; | |
3033 } | |
3034 function linePoint(λ, φ) { | |
3035 var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); | |
3036 if (p0) { | |
3037 var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); | |
3038 d3_geo_cartesianNormalize(inflection); | |
3039 inflection = d3_geo_spherical(inflection); | |
3040 var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; | |
3041 if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { | |
3042 var φi = inflection[1] * d3_degrees; | |
3043 if (φi > φ1) φ1 = φi; | |
3044 } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { | |
3045 var φi = -inflection[1] * d3_degrees; | |
3046 if (φi < φ0) φ0 = φi; | |
3047 } else { | |
3048 if (φ < φ0) φ0 = φ; | |
3049 if (φ > φ1) φ1 = φ; | |
3050 } | |
3051 if (antimeridian) { | |
3052 if (λ < λ_) { | |
3053 if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; | |
3054 } else { | |
3055 if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; | |
3056 } | |
3057 } else { | |
3058 if (λ1 >= λ0) { | |
3059 if (λ < λ0) λ0 = λ; | |
3060 if (λ > λ1) λ1 = λ; | |
3061 } else { | |
3062 if (λ > λ_) { | |
3063 if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; | |
3064 } else { | |
3065 if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; | |
3066 } | |
3067 } | |
3068 } | |
3069 } else { | |
3070 point(λ, φ); | |
3071 } | |
3072 p0 = p, λ_ = λ; | |
3073 } | |
3074 function lineStart() { | |
3075 bound.point = linePoint; | |
3076 } | |
3077 function lineEnd() { | |
3078 range[0] = λ0, range[1] = λ1; | |
3079 bound.point = point; | |
3080 p0 = null; | |
3081 } | |
3082 function ringPoint(λ, φ) { | |
3083 if (p0) { | |
3084 var dλ = λ - λ_; | |
3085 dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; | |
3086 } else λ__ = λ, φ__ = φ; | |
3087 d3_geo_area.point(λ, φ); | |
3088 linePoint(λ, φ); | |
3089 } | |
3090 function ringStart() { | |
3091 d3_geo_area.lineStart(); | |
3092 } | |
3093 function ringEnd() { | |
3094 ringPoint(λ__, φ__); | |
3095 d3_geo_area.lineEnd(); | |
3096 if (abs(dλSum) > ε) λ0 = -(λ1 = 180); | |
3097 range[0] = λ0, range[1] = λ1; | |
3098 p0 = null; | |
3099 } | |
3100 function angle(λ0, λ1) { | |
3101 return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; | |
3102 } | |
3103 function compareRanges(a, b) { | |
3104 return a[0] - b[0]; | |
3105 } | |
3106 function withinRange(x, range) { | |
3107 return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; | |
3108 } | |
3109 return function(feature) { | |
3110 φ1 = λ1 = -(λ0 = φ0 = Infinity); | |
3111 ranges = []; | |
3112 d3.geo.stream(feature, bound); | |
3113 var n = ranges.length; | |
3114 if (n) { | |
3115 ranges.sort(compareRanges); | |
3116 for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { | |
3117 b = ranges[i]; | |
3118 if (withinRange(b[0], a) || withinRange(b[1], a)) { | |
3119 if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; | |
3120 if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; | |
3121 } else { | |
3122 merged.push(a = b); | |
3123 } | |
3124 } | |
3125 var best = -Infinity, dλ; | |
3126 for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { | |
3127 b = merged[i]; | |
3128 if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; | |
3129 } | |
3130 } | |
3131 ranges = range = null; | |
3132 return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; | |
3133 }; | |
3134 }(); | |
3135 d3.geo.centroid = function(object) { | |
3136 d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; | |
3137 d3.geo.stream(object, d3_geo_centroid); | |
3138 var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; | |
3139 if (m < ε2) { | |
3140 x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; | |
3141 if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; | |
3142 m = x * x + y * y + z * z; | |
3143 if (m < ε2) return [ NaN, NaN ]; | |
3144 } | |
3145 return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; | |
3146 }; | |
3147 var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; | |
3148 var d3_geo_centroid = { | |
3149 sphere: d3_noop, | |
3150 point: d3_geo_centroidPoint, | |
3151 lineStart: d3_geo_centroidLineStart, | |
3152 lineEnd: d3_geo_centroidLineEnd, | |
3153 polygonStart: function() { | |
3154 d3_geo_centroid.lineStart = d3_geo_centroidRingStart; | |
3155 }, | |
3156 polygonEnd: function() { | |
3157 d3_geo_centroid.lineStart = d3_geo_centroidLineStart; | |
3158 } | |
3159 }; | |
3160 function d3_geo_centroidPoint(λ, φ) { | |
3161 λ *= d3_radians; | |
3162 var cosφ = Math.cos(φ *= d3_radians); | |
3163 d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); | |
3164 } | |
3165 function d3_geo_centroidPointXYZ(x, y, z) { | |
3166 ++d3_geo_centroidW0; | |
3167 d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; | |
3168 d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; | |
3169 d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; | |
3170 } | |
3171 function d3_geo_centroidLineStart() { | |
3172 var x0, y0, z0; | |
3173 d3_geo_centroid.point = function(λ, φ) { | |
3174 λ *= d3_radians; | |
3175 var cosφ = Math.cos(φ *= d3_radians); | |
3176 x0 = cosφ * Math.cos(λ); | |
3177 y0 = cosφ * Math.sin(λ); | |
3178 z0 = Math.sin(φ); | |
3179 d3_geo_centroid.point = nextPoint; | |
3180 d3_geo_centroidPointXYZ(x0, y0, z0); | |
3181 }; | |
3182 function nextPoint(λ, φ) { | |
3183 λ *= d3_radians; | |
3184 var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); | |
3185 d3_geo_centroidW1 += w; | |
3186 d3_geo_centroidX1 += w * (x0 + (x0 = x)); | |
3187 d3_geo_centroidY1 += w * (y0 + (y0 = y)); | |
3188 d3_geo_centroidZ1 += w * (z0 + (z0 = z)); | |
3189 d3_geo_centroidPointXYZ(x0, y0, z0); | |
3190 } | |
3191 } | |
3192 function d3_geo_centroidLineEnd() { | |
3193 d3_geo_centroid.point = d3_geo_centroidPoint; | |
3194 } | |
3195 function d3_geo_centroidRingStart() { | |
3196 var λ00, φ00, x0, y0, z0; | |
3197 d3_geo_centroid.point = function(λ, φ) { | |
3198 λ00 = λ, φ00 = φ; | |
3199 d3_geo_centroid.point = nextPoint; | |
3200 λ *= d3_radians; | |
3201 var cosφ = Math.cos(φ *= d3_radians); | |
3202 x0 = cosφ * Math.cos(λ); | |
3203 y0 = cosφ * Math.sin(λ); | |
3204 z0 = Math.sin(φ); | |
3205 d3_geo_centroidPointXYZ(x0, y0, z0); | |
3206 }; | |
3207 d3_geo_centroid.lineEnd = function() { | |
3208 nextPoint(λ00, φ00); | |
3209 d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; | |
3210 d3_geo_centroid.point = d3_geo_centroidPoint; | |
3211 }; | |
3212 function nextPoint(λ, φ) { | |
3213 λ *= d3_radians; | |
3214 var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); | |
3215 d3_geo_centroidX2 += v * cx; | |
3216 d3_geo_centroidY2 += v * cy; | |
3217 d3_geo_centroidZ2 += v * cz; | |
3218 d3_geo_centroidW1 += w; | |
3219 d3_geo_centroidX1 += w * (x0 + (x0 = x)); | |
3220 d3_geo_centroidY1 += w * (y0 + (y0 = y)); | |
3221 d3_geo_centroidZ1 += w * (z0 + (z0 = z)); | |
3222 d3_geo_centroidPointXYZ(x0, y0, z0); | |
3223 } | |
3224 } | |
3225 function d3_geo_compose(a, b) { | |
3226 function compose(x, y) { | |
3227 return x = a(x, y), b(x[0], x[1]); | |
3228 } | |
3229 if (a.invert && b.invert) compose.invert = function(x, y) { | |
3230 return x = b.invert(x, y), x && a.invert(x[0], x[1]); | |
3231 }; | |
3232 return compose; | |
3233 } | |
3234 function d3_true() { | |
3235 return true; | |
3236 } | |
3237 function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) { | |
3238 var subject = [], clip = []; | |
3239 segments.forEach(function(segment) { | |
3240 if ((n = segment.length - 1) <= 0) return; | |
3241 var n, p0 = segment[0], p1 = segment[n]; | |
3242 if (d3_geo_sphericalEqual(p0, p1)) { | |
3243 listener.lineStart(); | |
3244 for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); | |
3245 listener.lineEnd(); | |
3246 return; | |
3247 } | |
3248 var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); | |
3249 a.o = b; | |
3250 subject.push(a); | |
3251 clip.push(b); | |
3252 a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); | |
3253 b = new d3_geo_clipPolygonIntersection(p1, null, a, true); | |
3254 a.o = b; | |
3255 subject.push(a); | |
3256 clip.push(b); | |
3257 }); | |
3258 clip.sort(compare); | |
3259 d3_geo_clipPolygonLinkCircular(subject); | |
3260 d3_geo_clipPolygonLinkCircular(clip); | |
3261 if (!subject.length) return; | |
3262 for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { | |
3263 clip[i].e = entry = !entry; | |
3264 } | |
3265 var start = subject[0], points, point; | |
3266 while (1) { | |
3267 var current = start, isSubject = true; | |
3268 while (current.v) if ((current = current.n) === start) return; | |
3269 points = current.z; | |
3270 listener.lineStart(); | |
3271 do { | |
3272 current.v = current.o.v = true; | |
3273 if (current.e) { | |
3274 if (isSubject) { | |
3275 for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); | |
3276 } else { | |
3277 interpolate(current.x, current.n.x, 1, listener); | |
3278 } | |
3279 current = current.n; | |
3280 } else { | |
3281 if (isSubject) { | |
3282 points = current.p.z; | |
3283 for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); | |
3284 } else { | |
3285 interpolate(current.x, current.p.x, -1, listener); | |
3286 } | |
3287 current = current.p; | |
3288 } | |
3289 current = current.o; | |
3290 points = current.z; | |
3291 isSubject = !isSubject; | |
3292 } while (!current.v); | |
3293 listener.lineEnd(); | |
3294 } | |
3295 } | |
3296 function d3_geo_clipPolygonLinkCircular(array) { | |
3297 if (!(n = array.length)) return; | |
3298 var n, i = 0, a = array[0], b; | |
3299 while (++i < n) { | |
3300 a.n = b = array[i]; | |
3301 b.p = a; | |
3302 a = b; | |
3303 } | |
3304 a.n = b = array[0]; | |
3305 b.p = a; | |
3306 } | |
3307 function d3_geo_clipPolygonIntersection(point, points, other, entry) { | |
3308 this.x = point; | |
3309 this.z = points; | |
3310 this.o = other; | |
3311 this.e = entry; | |
3312 this.v = false; | |
3313 this.n = this.p = null; | |
3314 } | |
3315 function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { | |
3316 return function(rotate, listener) { | |
3317 var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); | |
3318 var clip = { | |
3319 point: point, | |
3320 lineStart: lineStart, | |
3321 lineEnd: lineEnd, | |
3322 polygonStart: function() { | |
3323 clip.point = pointRing; | |
3324 clip.lineStart = ringStart; | |
3325 clip.lineEnd = ringEnd; | |
3326 segments = []; | |
3327 polygon = []; | |
3328 }, | |
3329 polygonEnd: function() { | |
3330 clip.point = point; | |
3331 clip.lineStart = lineStart; | |
3332 clip.lineEnd = lineEnd; | |
3333 segments = d3.merge(segments); | |
3334 var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); | |
3335 if (segments.length) { | |
3336 if (!polygonStarted) listener.polygonStart(), polygonStarted = true; | |
3337 d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); | |
3338 } else if (clipStartInside) { | |
3339 if (!polygonStarted) listener.polygonStart(), polygonStarted = true; | |
3340 listener.lineStart(); | |
3341 interpolate(null, null, 1, listener); | |
3342 listener.lineEnd(); | |
3343 } | |
3344 if (polygonStarted) listener.polygonEnd(), polygonStarted = false; | |
3345 segments = polygon = null; | |
3346 }, | |
3347 sphere: function() { | |
3348 listener.polygonStart(); | |
3349 listener.lineStart(); | |
3350 interpolate(null, null, 1, listener); | |
3351 listener.lineEnd(); | |
3352 listener.polygonEnd(); | |
3353 } | |
3354 }; | |
3355 function point(λ, φ) { | |
3356 var point = rotate(λ, φ); | |
3357 if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); | |
3358 } | |
3359 function pointLine(λ, φ) { | |
3360 var point = rotate(λ, φ); | |
3361 line.point(point[0], point[1]); | |
3362 } | |
3363 function lineStart() { | |
3364 clip.point = pointLine; | |
3365 line.lineStart(); | |
3366 } | |
3367 function lineEnd() { | |
3368 clip.point = point; | |
3369 line.lineEnd(); | |
3370 } | |
3371 var segments; | |
3372 var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring; | |
3373 function pointRing(λ, φ) { | |
3374 ring.push([ λ, φ ]); | |
3375 var point = rotate(λ, φ); | |
3376 ringListener.point(point[0], point[1]); | |
3377 } | |
3378 function ringStart() { | |
3379 ringListener.lineStart(); | |
3380 ring = []; | |
3381 } | |
3382 function ringEnd() { | |
3383 pointRing(ring[0][0], ring[0][1]); | |
3384 ringListener.lineEnd(); | |
3385 var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; | |
3386 ring.pop(); | |
3387 polygon.push(ring); | |
3388 ring = null; | |
3389 if (!n) return; | |
3390 if (clean & 1) { | |
3391 segment = ringSegments[0]; | |
3392 var n = segment.length - 1, i = -1, point; | |
3393 if (n > 0) { | |
3394 if (!polygonStarted) listener.polygonStart(), polygonStarted = true; | |
3395 listener.lineStart(); | |
3396 while (++i < n) listener.point((point = segment[i])[0], point[1]); | |
3397 listener.lineEnd(); | |
3398 } | |
3399 return; | |
3400 } | |
3401 if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); | |
3402 segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); | |
3403 } | |
3404 return clip; | |
3405 }; | |
3406 } | |
3407 function d3_geo_clipSegmentLength1(segment) { | |
3408 return segment.length > 1; | |
3409 } | |
3410 function d3_geo_clipBufferListener() { | |
3411 var lines = [], line; | |
3412 return { | |
3413 lineStart: function() { | |
3414 lines.push(line = []); | |
3415 }, | |
3416 point: function(λ, φ) { | |
3417 line.push([ λ, φ ]); | |
3418 }, | |
3419 lineEnd: d3_noop, | |
3420 buffer: function() { | |
3421 var buffer = lines; | |
3422 lines = []; | |
3423 line = null; | |
3424 return buffer; | |
3425 }, | |
3426 rejoin: function() { | |
3427 if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); | |
3428 } | |
3429 }; | |
3430 } | |
3431 function d3_geo_clipSort(a, b) { | |
3432 return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); | |
3433 } | |
3434 var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); | |
3435 function d3_geo_clipAntimeridianLine(listener) { | |
3436 var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; | |
3437 return { | |
3438 lineStart: function() { | |
3439 listener.lineStart(); | |
3440 clean = 1; | |
3441 }, | |
3442 point: function(λ1, φ1) { | |
3443 var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0); | |
3444 if (abs(dλ - π) < ε) { | |
3445 listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); | |
3446 listener.point(sλ0, φ0); | |
3447 listener.lineEnd(); | |
3448 listener.lineStart(); | |
3449 listener.point(sλ1, φ0); | |
3450 listener.point(λ1, φ0); | |
3451 clean = 0; | |
3452 } else if (sλ0 !== sλ1 && dλ >= π) { | |
3453 if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; | |
3454 if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; | |
3455 φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); | |
3456 listener.point(sλ0, φ0); | |
3457 listener.lineEnd(); | |
3458 listener.lineStart(); | |
3459 listener.point(sλ1, φ0); | |
3460 clean = 0; | |
3461 } | |
3462 listener.point(λ0 = λ1, φ0 = φ1); | |
3463 sλ0 = sλ1; | |
3464 }, | |
3465 lineEnd: function() { | |
3466 listener.lineEnd(); | |
3467 λ0 = φ0 = NaN; | |
3468 }, | |
3469 clean: function() { | |
3470 return 2 - clean; | |
3471 } | |
3472 }; | |
3473 } | |
3474 function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { | |
3475 var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); | |
3476 return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; | |
3477 } | |
3478 function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { | |
3479 var φ; | |
3480 if (from == null) { | |
3481 φ = direction * halfπ; | |
3482 listener.point(-π, φ); | |
3483 listener.point(0, φ); | |
3484 listener.point(π, φ); | |
3485 listener.point(π, 0); | |
3486 listener.point(π, -φ); | |
3487 listener.point(0, -φ); | |
3488 listener.point(-π, -φ); | |
3489 listener.point(-π, 0); | |
3490 listener.point(-π, φ); | |
3491 } else if (abs(from[0] - to[0]) > ε) { | |
3492 var s = from[0] < to[0] ? π : -π; | |
3493 φ = direction * s / 2; | |
3494 listener.point(-s, φ); | |
3495 listener.point(0, φ); | |
3496 listener.point(s, φ); | |
3497 } else { | |
3498 listener.point(to[0], to[1]); | |
3499 } | |
3500 } | |
3501 function d3_geo_pointInPolygon(point, polygon) { | |
3502 var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; | |
3503 d3_geo_areaRingSum.reset(); | |
3504 for (var i = 0, n = polygon.length; i < n; ++i) { | |
3505 var ring = polygon[i], m = ring.length; | |
3506 if (!m) continue; | |
3507 var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; | |
3508 while (true) { | |
3509 if (j === m) j = 0; | |
3510 point = ring[j]; | |
3511 var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; | |
3512 d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); | |
3513 polarAngle += antimeridian ? dλ + sdλ * τ : dλ; | |
3514 if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { | |
3515 var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); | |
3516 d3_geo_cartesianNormalize(arc); | |
3517 var intersection = d3_geo_cartesianCross(meridianNormal, arc); | |
3518 d3_geo_cartesianNormalize(intersection); | |
3519 var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); | |
3520 if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { | |
3521 winding += antimeridian ^ dλ >= 0 ? 1 : -1; | |
3522 } | |
3523 } | |
3524 if (!j++) break; | |
3525 λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; | |
3526 } | |
3527 } | |
3528 return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1; | |
3529 } | |
3530 function d3_geo_clipCircle(radius) { | |
3531 var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); | |
3532 return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); | |
3533 function visible(λ, φ) { | |
3534 return Math.cos(λ) * Math.cos(φ) > cr; | |
3535 } | |
3536 function clipLine(listener) { | |
3537 var point0, c0, v0, v00, clean; | |
3538 return { | |
3539 lineStart: function() { | |
3540 v00 = v0 = false; | |
3541 clean = 1; | |
3542 }, | |
3543 point: function(λ, φ) { | |
3544 var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; | |
3545 if (!point0 && (v00 = v0 = v)) listener.lineStart(); | |
3546 if (v !== v0) { | |
3547 point2 = intersect(point0, point1); | |
3548 if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { | |
3549 point1[0] += ε; | |
3550 point1[1] += ε; | |
3551 v = visible(point1[0], point1[1]); | |
3552 } | |
3553 } | |
3554 if (v !== v0) { | |
3555 clean = 0; | |
3556 if (v) { | |
3557 listener.lineStart(); | |
3558 point2 = intersect(point1, point0); | |
3559 listener.point(point2[0], point2[1]); | |
3560 } else { | |
3561 point2 = intersect(point0, point1); | |
3562 listener.point(point2[0], point2[1]); | |
3563 listener.lineEnd(); | |
3564 } | |
3565 point0 = point2; | |
3566 } else if (notHemisphere && point0 && smallRadius ^ v) { | |
3567 var t; | |
3568 if (!(c & c0) && (t = intersect(point1, point0, true))) { | |
3569 clean = 0; | |
3570 if (smallRadius) { | |
3571 listener.lineStart(); | |
3572 listener.point(t[0][0], t[0][1]); | |
3573 listener.point(t[1][0], t[1][1]); | |
3574 listener.lineEnd(); | |
3575 } else { | |
3576 listener.point(t[1][0], t[1][1]); | |
3577 listener.lineEnd(); | |
3578 listener.lineStart(); | |
3579 listener.point(t[0][0], t[0][1]); | |
3580 } | |
3581 } | |
3582 } | |
3583 if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { | |
3584 listener.point(point1[0], point1[1]); | |
3585 } | |
3586 point0 = point1, v0 = v, c0 = c; | |
3587 }, | |
3588 lineEnd: function() { | |
3589 if (v0) listener.lineEnd(); | |
3590 point0 = null; | |
3591 }, | |
3592 clean: function() { | |
3593 return clean | (v00 && v0) << 1; | |
3594 } | |
3595 }; | |
3596 } | |
3597 function intersect(a, b, two) { | |
3598 var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); | |
3599 var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; | |
3600 if (!determinant) return !two && a; | |
3601 var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); | |
3602 d3_geo_cartesianAdd(A, B); | |
3603 var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); | |
3604 if (t2 < 0) return; | |
3605 var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); | |
3606 d3_geo_cartesianAdd(q, A); | |
3607 q = d3_geo_spherical(q); | |
3608 if (!two) return q; | |
3609 var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; | |
3610 if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; | |
3611 var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε; | |
3612 if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; | |
3613 if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { | |
3614 var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); | |
3615 d3_geo_cartesianAdd(q1, A); | |
3616 return [ q, d3_geo_spherical(q1) ]; | |
3617 } | |
3618 } | |
3619 function code(λ, φ) { | |
3620 var r = smallRadius ? radius : π - radius, code = 0; | |
3621 if (λ < -r) code |= 1; else if (λ > r) code |= 2; | |
3622 if (φ < -r) code |= 4; else if (φ > r) code |= 8; | |
3623 return code; | |
3624 } | |
3625 } | |
3626 function d3_geom_clipLine(x0, y0, x1, y1) { | |
3627 return function(line) { | |
3628 var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; | |
3629 r = x0 - ax; | |
3630 if (!dx && r > 0) return; | |
3631 r /= dx; | |
3632 if (dx < 0) { | |
3633 if (r < t0) return; | |
3634 if (r < t1) t1 = r; | |
3635 } else if (dx > 0) { | |
3636 if (r > t1) return; | |
3637 if (r > t0) t0 = r; | |
3638 } | |
3639 r = x1 - ax; | |
3640 if (!dx && r < 0) return; | |
3641 r /= dx; | |
3642 if (dx < 0) { | |
3643 if (r > t1) return; | |
3644 if (r > t0) t0 = r; | |
3645 } else if (dx > 0) { | |
3646 if (r < t0) return; | |
3647 if (r < t1) t1 = r; | |
3648 } | |
3649 r = y0 - ay; | |
3650 if (!dy && r > 0) return; | |
3651 r /= dy; | |
3652 if (dy < 0) { | |
3653 if (r < t0) return; | |
3654 if (r < t1) t1 = r; | |
3655 } else if (dy > 0) { | |
3656 if (r > t1) return; | |
3657 if (r > t0) t0 = r; | |
3658 } | |
3659 r = y1 - ay; | |
3660 if (!dy && r < 0) return; | |
3661 r /= dy; | |
3662 if (dy < 0) { | |
3663 if (r > t1) return; | |
3664 if (r > t0) t0 = r; | |
3665 } else if (dy > 0) { | |
3666 if (r < t0) return; | |
3667 if (r < t1) t1 = r; | |
3668 } | |
3669 if (t0 > 0) line.a = { | |
3670 x: ax + t0 * dx, | |
3671 y: ay + t0 * dy | |
3672 }; | |
3673 if (t1 < 1) line.b = { | |
3674 x: ax + t1 * dx, | |
3675 y: ay + t1 * dy | |
3676 }; | |
3677 return line; | |
3678 }; | |
3679 } | |
3680 var d3_geo_clipExtentMAX = 1e9; | |
3681 d3.geo.clipExtent = function() { | |
3682 var x0, y0, x1, y1, stream, clip, clipExtent = { | |
3683 stream: function(output) { | |
3684 if (stream) stream.valid = false; | |
3685 stream = clip(output); | |
3686 stream.valid = true; | |
3687 return stream; | |
3688 }, | |
3689 extent: function(_) { | |
3690 if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; | |
3691 clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); | |
3692 if (stream) stream.valid = false, stream = null; | |
3693 return clipExtent; | |
3694 } | |
3695 }; | |
3696 return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); | |
3697 }; | |
3698 function d3_geo_clipExtent(x0, y0, x1, y1) { | |
3699 return function(listener) { | |
3700 var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; | |
3701 var clip = { | |
3702 point: point, | |
3703 lineStart: lineStart, | |
3704 lineEnd: lineEnd, | |
3705 polygonStart: function() { | |
3706 listener = bufferListener; | |
3707 segments = []; | |
3708 polygon = []; | |
3709 clean = true; | |
3710 }, | |
3711 polygonEnd: function() { | |
3712 listener = listener_; | |
3713 segments = d3.merge(segments); | |
3714 var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; | |
3715 if (inside || visible) { | |
3716 listener.polygonStart(); | |
3717 if (inside) { | |
3718 listener.lineStart(); | |
3719 interpolate(null, null, 1, listener); | |
3720 listener.lineEnd(); | |
3721 } | |
3722 if (visible) { | |
3723 d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); | |
3724 } | |
3725 listener.polygonEnd(); | |
3726 } | |
3727 segments = polygon = ring = null; | |
3728 } | |
3729 }; | |
3730 function insidePolygon(p) { | |
3731 var wn = 0, n = polygon.length, y = p[1]; | |
3732 for (var i = 0; i < n; ++i) { | |
3733 for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { | |
3734 b = v[j]; | |
3735 if (a[1] <= y) { | |
3736 if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; | |
3737 } else { | |
3738 if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; | |
3739 } | |
3740 a = b; | |
3741 } | |
3742 } | |
3743 return wn !== 0; | |
3744 } | |
3745 function interpolate(from, to, direction, listener) { | |
3746 var a = 0, a1 = 0; | |
3747 if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { | |
3748 do { | |
3749 listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); | |
3750 } while ((a = (a + direction + 4) % 4) !== a1); | |
3751 } else { | |
3752 listener.point(to[0], to[1]); | |
3753 } | |
3754 } | |
3755 function pointVisible(x, y) { | |
3756 return x0 <= x && x <= x1 && y0 <= y && y <= y1; | |
3757 } | |
3758 function point(x, y) { | |
3759 if (pointVisible(x, y)) listener.point(x, y); | |
3760 } | |
3761 var x__, y__, v__, x_, y_, v_, first, clean; | |
3762 function lineStart() { | |
3763 clip.point = linePoint; | |
3764 if (polygon) polygon.push(ring = []); | |
3765 first = true; | |
3766 v_ = false; | |
3767 x_ = y_ = NaN; | |
3768 } | |
3769 function lineEnd() { | |
3770 if (segments) { | |
3771 linePoint(x__, y__); | |
3772 if (v__ && v_) bufferListener.rejoin(); | |
3773 segments.push(bufferListener.buffer()); | |
3774 } | |
3775 clip.point = point; | |
3776 if (v_) listener.lineEnd(); | |
3777 } | |
3778 function linePoint(x, y) { | |
3779 x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); | |
3780 y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); | |
3781 var v = pointVisible(x, y); | |
3782 if (polygon) ring.push([ x, y ]); | |
3783 if (first) { | |
3784 x__ = x, y__ = y, v__ = v; | |
3785 first = false; | |
3786 if (v) { | |
3787 listener.lineStart(); | |
3788 listener.point(x, y); | |
3789 } | |
3790 } else { | |
3791 if (v && v_) listener.point(x, y); else { | |
3792 var l = { | |
3793 a: { | |
3794 x: x_, | |
3795 y: y_ | |
3796 }, | |
3797 b: { | |
3798 x: x, | |
3799 y: y | |
3800 } | |
3801 }; | |
3802 if (clipLine(l)) { | |
3803 if (!v_) { | |
3804 listener.lineStart(); | |
3805 listener.point(l.a.x, l.a.y); | |
3806 } | |
3807 listener.point(l.b.x, l.b.y); | |
3808 if (!v) listener.lineEnd(); | |
3809 clean = false; | |
3810 } else if (v) { | |
3811 listener.lineStart(); | |
3812 listener.point(x, y); | |
3813 clean = false; | |
3814 } | |
3815 } | |
3816 } | |
3817 x_ = x, y_ = y, v_ = v; | |
3818 } | |
3819 return clip; | |
3820 }; | |
3821 function corner(p, direction) { | |
3822 return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; | |
3823 } | |
3824 function compare(a, b) { | |
3825 return comparePoints(a.x, b.x); | |
3826 } | |
3827 function comparePoints(a, b) { | |
3828 var ca = corner(a, 1), cb = corner(b, 1); | |
3829 return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; | |
3830 } | |
3831 } | |
3832 function d3_geo_conic(projectAt) { | |
3833 var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); | |
3834 p.parallels = function(_) { | |
3835 if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; | |
3836 return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); | |
3837 }; | |
3838 return p; | |
3839 } | |
3840 function d3_geo_conicEqualArea(φ0, φ1) { | |
3841 var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; | |
3842 function forward(λ, φ) { | |
3843 var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; | |
3844 return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; | |
3845 } | |
3846 forward.invert = function(x, y) { | |
3847 var ρ0_y = ρ0 - y; | |
3848 return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; | |
3849 }; | |
3850 return forward; | |
3851 } | |
3852 (d3.geo.conicEqualArea = function() { | |
3853 return d3_geo_conic(d3_geo_conicEqualArea); | |
3854 }).raw = d3_geo_conicEqualArea; | |
3855 d3.geo.albers = function() { | |
3856 return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); | |
3857 }; | |
3858 d3.geo.albersUsa = function() { | |
3859 var lower48 = d3.geo.albers(); | |
3860 var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); | |
3861 var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); | |
3862 var point, pointStream = { | |
3863 point: function(x, y) { | |
3864 point = [ x, y ]; | |
3865 } | |
3866 }, lower48Point, alaskaPoint, hawaiiPoint; | |
3867 function albersUsa(coordinates) { | |
3868 var x = coordinates[0], y = coordinates[1]; | |
3869 point = null; | |
3870 (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); | |
3871 return point; | |
3872 } | |
3873 albersUsa.invert = function(coordinates) { | |
3874 var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; | |
3875 return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); | |
3876 }; | |
3877 albersUsa.stream = function(stream) { | |
3878 var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); | |
3879 return { | |
3880 point: function(x, y) { | |
3881 lower48Stream.point(x, y); | |
3882 alaskaStream.point(x, y); | |
3883 hawaiiStream.point(x, y); | |
3884 }, | |
3885 sphere: function() { | |
3886 lower48Stream.sphere(); | |
3887 alaskaStream.sphere(); | |
3888 hawaiiStream.sphere(); | |
3889 }, | |
3890 lineStart: function() { | |
3891 lower48Stream.lineStart(); | |
3892 alaskaStream.lineStart(); | |
3893 hawaiiStream.lineStart(); | |
3894 }, | |
3895 lineEnd: function() { | |
3896 lower48Stream.lineEnd(); | |
3897 alaskaStream.lineEnd(); | |
3898 hawaiiStream.lineEnd(); | |
3899 }, | |
3900 polygonStart: function() { | |
3901 lower48Stream.polygonStart(); | |
3902 alaskaStream.polygonStart(); | |
3903 hawaiiStream.polygonStart(); | |
3904 }, | |
3905 polygonEnd: function() { | |
3906 lower48Stream.polygonEnd(); | |
3907 alaskaStream.polygonEnd(); | |
3908 hawaiiStream.polygonEnd(); | |
3909 } | |
3910 }; | |
3911 }; | |
3912 albersUsa.precision = function(_) { | |
3913 if (!arguments.length) return lower48.precision(); | |
3914 lower48.precision(_); | |
3915 alaska.precision(_); | |
3916 hawaii.precision(_); | |
3917 return albersUsa; | |
3918 }; | |
3919 albersUsa.scale = function(_) { | |
3920 if (!arguments.length) return lower48.scale(); | |
3921 lower48.scale(_); | |
3922 alaska.scale(_ * .35); | |
3923 hawaii.scale(_); | |
3924 return albersUsa.translate(lower48.translate()); | |
3925 }; | |
3926 albersUsa.translate = function(_) { | |
3927 if (!arguments.length) return lower48.translate(); | |
3928 var k = lower48.scale(), x = +_[0], y = +_[1]; | |
3929 lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; | |
3930 alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; | |
3931 hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; | |
3932 return albersUsa; | |
3933 }; | |
3934 return albersUsa.scale(1070); | |
3935 }; | |
3936 var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { | |
3937 point: d3_noop, | |
3938 lineStart: d3_noop, | |
3939 lineEnd: d3_noop, | |
3940 polygonStart: function() { | |
3941 d3_geo_pathAreaPolygon = 0; | |
3942 d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; | |
3943 }, | |
3944 polygonEnd: function() { | |
3945 d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; | |
3946 d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2); | |
3947 } | |
3948 }; | |
3949 function d3_geo_pathAreaRingStart() { | |
3950 var x00, y00, x0, y0; | |
3951 d3_geo_pathArea.point = function(x, y) { | |
3952 d3_geo_pathArea.point = nextPoint; | |
3953 x00 = x0 = x, y00 = y0 = y; | |
3954 }; | |
3955 function nextPoint(x, y) { | |
3956 d3_geo_pathAreaPolygon += y0 * x - x0 * y; | |
3957 x0 = x, y0 = y; | |
3958 } | |
3959 d3_geo_pathArea.lineEnd = function() { | |
3960 nextPoint(x00, y00); | |
3961 }; | |
3962 } | |
3963 var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; | |
3964 var d3_geo_pathBounds = { | |
3965 point: d3_geo_pathBoundsPoint, | |
3966 lineStart: d3_noop, | |
3967 lineEnd: d3_noop, | |
3968 polygonStart: d3_noop, | |
3969 polygonEnd: d3_noop | |
3970 }; | |
3971 function d3_geo_pathBoundsPoint(x, y) { | |
3972 if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; | |
3973 if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; | |
3974 if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; | |
3975 if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; | |
3976 } | |
3977 function d3_geo_pathBuffer() { | |
3978 var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; | |
3979 var stream = { | |
3980 point: point, | |
3981 lineStart: function() { | |
3982 stream.point = pointLineStart; | |
3983 }, | |
3984 lineEnd: lineEnd, | |
3985 polygonStart: function() { | |
3986 stream.lineEnd = lineEndPolygon; | |
3987 }, | |
3988 polygonEnd: function() { | |
3989 stream.lineEnd = lineEnd; | |
3990 stream.point = point; | |
3991 }, | |
3992 pointRadius: function(_) { | |
3993 pointCircle = d3_geo_pathBufferCircle(_); | |
3994 return stream; | |
3995 }, | |
3996 result: function() { | |
3997 if (buffer.length) { | |
3998 var result = buffer.join(""); | |
3999 buffer = []; | |
4000 return result; | |
4001 } | |
4002 } | |
4003 }; | |
4004 function point(x, y) { | |
4005 buffer.push("M", x, ",", y, pointCircle); | |
4006 } | |
4007 function pointLineStart(x, y) { | |
4008 buffer.push("M", x, ",", y); | |
4009 stream.point = pointLine; | |
4010 } | |
4011 function pointLine(x, y) { | |
4012 buffer.push("L", x, ",", y); | |
4013 } | |
4014 function lineEnd() { | |
4015 stream.point = point; | |
4016 } | |
4017 function lineEndPolygon() { | |
4018 buffer.push("Z"); | |
4019 } | |
4020 return stream; | |
4021 } | |
4022 function d3_geo_pathBufferCircle(radius) { | |
4023 return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; | |
4024 } | |
4025 var d3_geo_pathCentroid = { | |
4026 point: d3_geo_pathCentroidPoint, | |
4027 lineStart: d3_geo_pathCentroidLineStart, | |
4028 lineEnd: d3_geo_pathCentroidLineEnd, | |
4029 polygonStart: function() { | |
4030 d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; | |
4031 }, | |
4032 polygonEnd: function() { | |
4033 d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; | |
4034 d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; | |
4035 d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; | |
4036 } | |
4037 }; | |
4038 function d3_geo_pathCentroidPoint(x, y) { | |
4039 d3_geo_centroidX0 += x; | |
4040 d3_geo_centroidY0 += y; | |
4041 ++d3_geo_centroidZ0; | |
4042 } | |
4043 function d3_geo_pathCentroidLineStart() { | |
4044 var x0, y0; | |
4045 d3_geo_pathCentroid.point = function(x, y) { | |
4046 d3_geo_pathCentroid.point = nextPoint; | |
4047 d3_geo_pathCentroidPoint(x0 = x, y0 = y); | |
4048 }; | |
4049 function nextPoint(x, y) { | |
4050 var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); | |
4051 d3_geo_centroidX1 += z * (x0 + x) / 2; | |
4052 d3_geo_centroidY1 += z * (y0 + y) / 2; | |
4053 d3_geo_centroidZ1 += z; | |
4054 d3_geo_pathCentroidPoint(x0 = x, y0 = y); | |
4055 } | |
4056 } | |
4057 function d3_geo_pathCentroidLineEnd() { | |
4058 d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; | |
4059 } | |
4060 function d3_geo_pathCentroidRingStart() { | |
4061 var x00, y00, x0, y0; | |
4062 d3_geo_pathCentroid.point = function(x, y) { | |
4063 d3_geo_pathCentroid.point = nextPoint; | |
4064 d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); | |
4065 }; | |
4066 function nextPoint(x, y) { | |
4067 var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); | |
4068 d3_geo_centroidX1 += z * (x0 + x) / 2; | |
4069 d3_geo_centroidY1 += z * (y0 + y) / 2; | |
4070 d3_geo_centroidZ1 += z; | |
4071 z = y0 * x - x0 * y; | |
4072 d3_geo_centroidX2 += z * (x0 + x); | |
4073 d3_geo_centroidY2 += z * (y0 + y); | |
4074 d3_geo_centroidZ2 += z * 3; | |
4075 d3_geo_pathCentroidPoint(x0 = x, y0 = y); | |
4076 } | |
4077 d3_geo_pathCentroid.lineEnd = function() { | |
4078 nextPoint(x00, y00); | |
4079 }; | |
4080 } | |
4081 function d3_geo_pathContext(context) { | |
4082 var pointRadius = 4.5; | |
4083 var stream = { | |
4084 point: point, | |
4085 lineStart: function() { | |
4086 stream.point = pointLineStart; | |
4087 }, | |
4088 lineEnd: lineEnd, | |
4089 polygonStart: function() { | |
4090 stream.lineEnd = lineEndPolygon; | |
4091 }, | |
4092 polygonEnd: function() { | |
4093 stream.lineEnd = lineEnd; | |
4094 stream.point = point; | |
4095 }, | |
4096 pointRadius: function(_) { | |
4097 pointRadius = _; | |
4098 return stream; | |
4099 }, | |
4100 result: d3_noop | |
4101 }; | |
4102 function point(x, y) { | |
4103 context.moveTo(x + pointRadius, y); | |
4104 context.arc(x, y, pointRadius, 0, τ); | |
4105 } | |
4106 function pointLineStart(x, y) { | |
4107 context.moveTo(x, y); | |
4108 stream.point = pointLine; | |
4109 } | |
4110 function pointLine(x, y) { | |
4111 context.lineTo(x, y); | |
4112 } | |
4113 function lineEnd() { | |
4114 stream.point = point; | |
4115 } | |
4116 function lineEndPolygon() { | |
4117 context.closePath(); | |
4118 } | |
4119 return stream; | |
4120 } | |
4121 function d3_geo_resample(project) { | |
4122 var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; | |
4123 function resample(stream) { | |
4124 return (maxDepth ? resampleRecursive : resampleNone)(stream); | |
4125 } | |
4126 function resampleNone(stream) { | |
4127 return d3_geo_transformPoint(stream, function(x, y) { | |
4128 x = project(x, y); | |
4129 stream.point(x[0], x[1]); | |
4130 }); | |
4131 } | |
4132 function resampleRecursive(stream) { | |
4133 var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; | |
4134 var resample = { | |
4135 point: point, | |
4136 lineStart: lineStart, | |
4137 lineEnd: lineEnd, | |
4138 polygonStart: function() { | |
4139 stream.polygonStart(); | |
4140 resample.lineStart = ringStart; | |
4141 }, | |
4142 polygonEnd: function() { | |
4143 stream.polygonEnd(); | |
4144 resample.lineStart = lineStart; | |
4145 } | |
4146 }; | |
4147 function point(x, y) { | |
4148 x = project(x, y); | |
4149 stream.point(x[0], x[1]); | |
4150 } | |
4151 function lineStart() { | |
4152 x0 = NaN; | |
4153 resample.point = linePoint; | |
4154 stream.lineStart(); | |
4155 } | |
4156 function linePoint(λ, φ) { | |
4157 var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); | |
4158 resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); | |
4159 stream.point(x0, y0); | |
4160 } | |
4161 function lineEnd() { | |
4162 resample.point = point; | |
4163 stream.lineEnd(); | |
4164 } | |
4165 function ringStart() { | |
4166 lineStart(); | |
4167 resample.point = ringPoint; | |
4168 resample.lineEnd = ringEnd; | |
4169 } | |
4170 function ringPoint(λ, φ) { | |
4171 linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; | |
4172 resample.point = linePoint; | |
4173 } | |
4174 function ringEnd() { | |
4175 resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); | |
4176 resample.lineEnd = lineEnd; | |
4177 lineEnd(); | |
4178 } | |
4179 return resample; | |
4180 } | |
4181 function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { | |
4182 var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; | |
4183 if (d2 > 4 * δ2 && depth--) { | |
4184 var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; | |
4185 if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { | |
4186 resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); | |
4187 stream.point(x2, y2); | |
4188 resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); | |
4189 } | |
4190 } | |
4191 } | |
4192 resample.precision = function(_) { | |
4193 if (!arguments.length) return Math.sqrt(δ2); | |
4194 maxDepth = (δ2 = _ * _) > 0 && 16; | |
4195 return resample; | |
4196 }; | |
4197 return resample; | |
4198 } | |
4199 d3.geo.path = function() { | |
4200 var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; | |
4201 function path(object) { | |
4202 if (object) { | |
4203 if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); | |
4204 if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); | |
4205 d3.geo.stream(object, cacheStream); | |
4206 } | |
4207 return contextStream.result(); | |
4208 } | |
4209 path.area = function(object) { | |
4210 d3_geo_pathAreaSum = 0; | |
4211 d3.geo.stream(object, projectStream(d3_geo_pathArea)); | |
4212 return d3_geo_pathAreaSum; | |
4213 }; | |
4214 path.centroid = function(object) { | |
4215 d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; | |
4216 d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); | |
4217 return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; | |
4218 }; | |
4219 path.bounds = function(object) { | |
4220 d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); | |
4221 d3.geo.stream(object, projectStream(d3_geo_pathBounds)); | |
4222 return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; | |
4223 }; | |
4224 path.projection = function(_) { | |
4225 if (!arguments.length) return projection; | |
4226 projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; | |
4227 return reset(); | |
4228 }; | |
4229 path.context = function(_) { | |
4230 if (!arguments.length) return context; | |
4231 contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); | |
4232 if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); | |
4233 return reset(); | |
4234 }; | |
4235 path.pointRadius = function(_) { | |
4236 if (!arguments.length) return pointRadius; | |
4237 pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); | |
4238 return path; | |
4239 }; | |
4240 function reset() { | |
4241 cacheStream = null; | |
4242 return path; | |
4243 } | |
4244 return path.projection(d3.geo.albersUsa()).context(null); | |
4245 }; | |
4246 function d3_geo_pathProjectStream(project) { | |
4247 var resample = d3_geo_resample(function(x, y) { | |
4248 return project([ x * d3_degrees, y * d3_degrees ]); | |
4249 }); | |
4250 return function(stream) { | |
4251 return d3_geo_projectionRadians(resample(stream)); | |
4252 }; | |
4253 } | |
4254 d3.geo.transform = function(methods) { | |
4255 return { | |
4256 stream: function(stream) { | |
4257 var transform = new d3_geo_transform(stream); | |
4258 for (var k in methods) transform[k] = methods[k]; | |
4259 return transform; | |
4260 } | |
4261 }; | |
4262 }; | |
4263 function d3_geo_transform(stream) { | |
4264 this.stream = stream; | |
4265 } | |
4266 d3_geo_transform.prototype = { | |
4267 point: function(x, y) { | |
4268 this.stream.point(x, y); | |
4269 }, | |
4270 sphere: function() { | |
4271 this.stream.sphere(); | |
4272 }, | |
4273 lineStart: function() { | |
4274 this.stream.lineStart(); | |
4275 }, | |
4276 lineEnd: function() { | |
4277 this.stream.lineEnd(); | |
4278 }, | |
4279 polygonStart: function() { | |
4280 this.stream.polygonStart(); | |
4281 }, | |
4282 polygonEnd: function() { | |
4283 this.stream.polygonEnd(); | |
4284 } | |
4285 }; | |
4286 function d3_geo_transformPoint(stream, point) { | |
4287 return { | |
4288 point: point, | |
4289 sphere: function() { | |
4290 stream.sphere(); | |
4291 }, | |
4292 lineStart: function() { | |
4293 stream.lineStart(); | |
4294 }, | |
4295 lineEnd: function() { | |
4296 stream.lineEnd(); | |
4297 }, | |
4298 polygonStart: function() { | |
4299 stream.polygonStart(); | |
4300 }, | |
4301 polygonEnd: function() { | |
4302 stream.polygonEnd(); | |
4303 } | |
4304 }; | |
4305 } | |
4306 d3.geo.projection = d3_geo_projection; | |
4307 d3.geo.projectionMutator = d3_geo_projectionMutator; | |
4308 function d3_geo_projection(project) { | |
4309 return d3_geo_projectionMutator(function() { | |
4310 return project; | |
4311 })(); | |
4312 } | |
4313 function d3_geo_projectionMutator(projectAt) { | |
4314 var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { | |
4315 x = project(x, y); | |
4316 return [ x[0] * k + δx, δy - x[1] * k ]; | |
4317 }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream; | |
4318 function projection(point) { | |
4319 point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); | |
4320 return [ point[0] * k + δx, δy - point[1] * k ]; | |
4321 } | |
4322 function invert(point) { | |
4323 point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); | |
4324 return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; | |
4325 } | |
4326 projection.stream = function(output) { | |
4327 if (stream) stream.valid = false; | |
4328 stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); | |
4329 stream.valid = true; | |
4330 return stream; | |
4331 }; | |
4332 projection.clipAngle = function(_) { | |
4333 if (!arguments.length) return clipAngle; | |
4334 preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); | |
4335 return invalidate(); | |
4336 }; | |
4337 projection.clipExtent = function(_) { | |
4338 if (!arguments.length) return clipExtent; | |
4339 clipExtent = _; | |
4340 postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; | |
4341 return invalidate(); | |
4342 }; | |
4343 projection.scale = function(_) { | |
4344 if (!arguments.length) return k; | |
4345 k = +_; | |
4346 return reset(); | |
4347 }; | |
4348 projection.translate = function(_) { | |
4349 if (!arguments.length) return [ x, y ]; | |
4350 x = +_[0]; | |
4351 y = +_[1]; | |
4352 return reset(); | |
4353 }; | |
4354 projection.center = function(_) { | |
4355 if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; | |
4356 λ = _[0] % 360 * d3_radians; | |
4357 φ = _[1] % 360 * d3_radians; | |
4358 return reset(); | |
4359 }; | |
4360 projection.rotate = function(_) { | |
4361 if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; | |
4362 δλ = _[0] % 360 * d3_radians; | |
4363 δφ = _[1] % 360 * d3_radians; | |
4364 δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; | |
4365 return reset(); | |
4366 }; | |
4367 d3.rebind(projection, projectResample, "precision"); | |
4368 function reset() { | |
4369 projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); | |
4370 var center = project(λ, φ); | |
4371 δx = x - center[0] * k; | |
4372 δy = y + center[1] * k; | |
4373 return invalidate(); | |
4374 } | |
4375 function invalidate() { | |
4376 if (stream) stream.valid = false, stream = null; | |
4377 return projection; | |
4378 } | |
4379 return function() { | |
4380 project = projectAt.apply(this, arguments); | |
4381 projection.invert = project.invert && invert; | |
4382 return reset(); | |
4383 }; | |
4384 } | |
4385 function d3_geo_projectionRadians(stream) { | |
4386 return d3_geo_transformPoint(stream, function(x, y) { | |
4387 stream.point(x * d3_radians, y * d3_radians); | |
4388 }); | |
4389 } | |
4390 function d3_geo_equirectangular(λ, φ) { | |
4391 return [ λ, φ ]; | |
4392 } | |
4393 (d3.geo.equirectangular = function() { | |
4394 return d3_geo_projection(d3_geo_equirectangular); | |
4395 }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; | |
4396 d3.geo.rotation = function(rotate) { | |
4397 rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0); | |
4398 function forward(coordinates) { | |
4399 coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians); | |
4400 return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; | |
4401 } | |
4402 forward.invert = function(coordinates) { | |
4403 coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians); | |
4404 return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; | |
4405 }; | |
4406 return forward; | |
4407 }; | |
4408 function d3_geo_identityRotation(λ, φ) { | |
4409 return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; | |
4410 } | |
4411 d3_geo_identityRotation.invert = d3_geo_equirectangular; | |
4412 function d3_geo_rotation(δλ, δφ, δγ) { | |
4413 return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation; | |
4414 } | |
4415 function d3_geo_forwardRotationλ(δλ) { | |
4416 return function(λ, φ) { | |
4417 return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; | |
4418 }; | |
4419 } | |
4420 function d3_geo_rotationλ(δλ) { | |
4421 var rotation = d3_geo_forwardRotationλ(δλ); | |
4422 rotation.invert = d3_geo_forwardRotationλ(-δλ); | |
4423 return rotation; | |
4424 } | |
4425 function d3_geo_rotationφγ(δφ, δγ) { | |
4426 var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); | |
4427 function rotation(λ, φ) { | |
4428 var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; | |
4429 return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ]; | |
4430 } | |
4431 rotation.invert = function(λ, φ) { | |
4432 var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; | |
4433 return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ]; | |
4434 }; | |
4435 return rotation; | |
4436 } | |
4437 d3.geo.circle = function() { | |
4438 var origin = [ 0, 0 ], angle, precision = 6, interpolate; | |
4439 function circle() { | |
4440 var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; | |
4441 interpolate(null, null, 1, { | |
4442 point: function(x, y) { | |
4443 ring.push(x = rotate(x, y)); | |
4444 x[0] *= d3_degrees, x[1] *= d3_degrees; | |
4445 } | |
4446 }); | |
4447 return { | |
4448 type: "Polygon", | |
4449 coordinates: [ ring ] | |
4450 }; | |
4451 } | |
4452 circle.origin = function(x) { | |
4453 if (!arguments.length) return origin; | |
4454 origin = x; | |
4455 return circle; | |
4456 }; | |
4457 circle.angle = function(x) { | |
4458 if (!arguments.length) return angle; | |
4459 interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); | |
4460 return circle; | |
4461 }; | |
4462 circle.precision = function(_) { | |
4463 if (!arguments.length) return precision; | |
4464 interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); | |
4465 return circle; | |
4466 }; | |
4467 return circle.angle(90); | |
4468 }; | |
4469 function d3_geo_circleInterpolate(radius, precision) { | |
4470 var cr = Math.cos(radius), sr = Math.sin(radius); | |
4471 return function(from, to, direction, listener) { | |
4472 var step = direction * precision; | |
4473 if (from != null) { | |
4474 from = d3_geo_circleAngle(cr, from); | |
4475 to = d3_geo_circleAngle(cr, to); | |
4476 if (direction > 0 ? from < to : from > to) from += direction * τ; | |
4477 } else { | |
4478 from = radius + direction * τ; | |
4479 to = radius - .5 * step; | |
4480 } | |
4481 for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) { | |
4482 listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); | |
4483 } | |
4484 }; | |
4485 } | |
4486 function d3_geo_circleAngle(cr, point) { | |
4487 var a = d3_geo_cartesian(point); | |
4488 a[0] -= cr; | |
4489 d3_geo_cartesianNormalize(a); | |
4490 var angle = d3_acos(-a[1]); | |
4491 return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); | |
4492 } | |
4493 d3.geo.distance = function(a, b) { | |
4494 var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t; | |
4495 return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ); | |
4496 }; | |
4497 d3.geo.graticule = function() { | |
4498 var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5; | |
4499 function graticule() { | |
4500 return { | |
4501 type: "MultiLineString", | |
4502 coordinates: lines() | |
4503 }; | |
4504 } | |
4505 function lines() { | |
4506 return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) { | |
4507 return abs(x % DX) > ε; | |
4508 }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { | |
4509 return abs(y % DY) > ε; | |
4510 }).map(y)); | |
4511 } | |
4512 graticule.lines = function() { | |
4513 return lines().map(function(coordinates) { | |
4514 return { | |
4515 type: "LineString", | |
4516 coordinates: coordinates | |
4517 }; | |
4518 }); | |
4519 }; | |
4520 graticule.outline = function() { | |
4521 return { | |
4522 type: "Polygon", | |
4523 coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ] | |
4524 }; | |
4525 }; | |
4526 graticule.extent = function(_) { | |
4527 if (!arguments.length) return graticule.minorExtent(); | |
4528 return graticule.majorExtent(_).minorExtent(_); | |
4529 }; | |
4530 graticule.majorExtent = function(_) { | |
4531 if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ]; | |
4532 X0 = +_[0][0], X1 = +_[1][0]; | |
4533 Y0 = +_[0][1], Y1 = +_[1][1]; | |
4534 if (X0 > X1) _ = X0, X0 = X1, X1 = _; | |
4535 if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; | |
4536 return graticule.precision(precision); | |
4537 }; | |
4538 graticule.minorExtent = function(_) { | |
4539 if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; | |
4540 x0 = +_[0][0], x1 = +_[1][0]; | |
4541 y0 = +_[0][1], y1 = +_[1][1]; | |
4542 if (x0 > x1) _ = x0, x0 = x1, x1 = _; | |
4543 if (y0 > y1) _ = y0, y0 = y1, y1 = _; | |
4544 return graticule.precision(precision); | |
4545 }; | |
4546 graticule.step = function(_) { | |
4547 if (!arguments.length) return graticule.minorStep(); | |
4548 return graticule.majorStep(_).minorStep(_); | |
4549 }; | |
4550 graticule.majorStep = function(_) { | |
4551 if (!arguments.length) return [ DX, DY ]; | |
4552 DX = +_[0], DY = +_[1]; | |
4553 return graticule; | |
4554 }; | |
4555 graticule.minorStep = function(_) { | |
4556 if (!arguments.length) return [ dx, dy ]; | |
4557 dx = +_[0], dy = +_[1]; | |
4558 return graticule; | |
4559 }; | |
4560 graticule.precision = function(_) { | |
4561 if (!arguments.length) return precision; | |
4562 precision = +_; | |
4563 x = d3_geo_graticuleX(y0, y1, 90); | |
4564 y = d3_geo_graticuleY(x0, x1, precision); | |
4565 X = d3_geo_graticuleX(Y0, Y1, 90); | |
4566 Y = d3_geo_graticuleY(X0, X1, precision); | |
4567 return graticule; | |
4568 }; | |
4569 return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]); | |
4570 }; | |
4571 function d3_geo_graticuleX(y0, y1, dy) { | |
4572 var y = d3.range(y0, y1 - ε, dy).concat(y1); | |
4573 return function(x) { | |
4574 return y.map(function(y) { | |
4575 return [ x, y ]; | |
4576 }); | |
4577 }; | |
4578 } | |
4579 function d3_geo_graticuleY(x0, x1, dx) { | |
4580 var x = d3.range(x0, x1 - ε, dx).concat(x1); | |
4581 return function(y) { | |
4582 return x.map(function(x) { | |
4583 return [ x, y ]; | |
4584 }); | |
4585 }; | |
4586 } | |
4587 function d3_source(d) { | |
4588 return d.source; | |
4589 } | |
4590 function d3_target(d) { | |
4591 return d.target; | |
4592 } | |
4593 d3.geo.greatArc = function() { | |
4594 var source = d3_source, source_, target = d3_target, target_; | |
4595 function greatArc() { | |
4596 return { | |
4597 type: "LineString", | |
4598 coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ] | |
4599 }; | |
4600 } | |
4601 greatArc.distance = function() { | |
4602 return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments)); | |
4603 }; | |
4604 greatArc.source = function(_) { | |
4605 if (!arguments.length) return source; | |
4606 source = _, source_ = typeof _ === "function" ? null : _; | |
4607 return greatArc; | |
4608 }; | |
4609 greatArc.target = function(_) { | |
4610 if (!arguments.length) return target; | |
4611 target = _, target_ = typeof _ === "function" ? null : _; | |
4612 return greatArc; | |
4613 }; | |
4614 greatArc.precision = function() { | |
4615 return arguments.length ? greatArc : 0; | |
4616 }; | |
4617 return greatArc; | |
4618 }; | |
4619 d3.geo.interpolate = function(source, target) { | |
4620 return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); | |
4621 }; | |
4622 function d3_geo_interpolate(x0, y0, x1, y1) { | |
4623 var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d); | |
4624 var interpolate = d ? function(t) { | |
4625 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; | |
4626 return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ]; | |
4627 } : function() { | |
4628 return [ x0 * d3_degrees, y0 * d3_degrees ]; | |
4629 }; | |
4630 interpolate.distance = d; | |
4631 return interpolate; | |
4632 } | |
4633 d3.geo.length = function(object) { | |
4634 d3_geo_lengthSum = 0; | |
4635 d3.geo.stream(object, d3_geo_length); | |
4636 return d3_geo_lengthSum; | |
4637 }; | |
4638 var d3_geo_lengthSum; | |
4639 var d3_geo_length = { | |
4640 sphere: d3_noop, | |
4641 point: d3_noop, | |
4642 lineStart: d3_geo_lengthLineStart, | |
4643 lineEnd: d3_noop, | |
4644 polygonStart: d3_noop, | |
4645 polygonEnd: d3_noop | |
4646 }; | |
4647 function d3_geo_lengthLineStart() { | |
4648 var λ0, sinφ0, cosφ0; | |
4649 d3_geo_length.point = function(λ, φ) { | |
4650 λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ); | |
4651 d3_geo_length.point = nextPoint; | |
4652 }; | |
4653 d3_geo_length.lineEnd = function() { | |
4654 d3_geo_length.point = d3_geo_length.lineEnd = d3_noop; | |
4655 }; | |
4656 function nextPoint(λ, φ) { | |
4657 var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t); | |
4658 d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ); | |
4659 λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ; | |
4660 } | |
4661 } | |
4662 function d3_geo_azimuthal(scale, angle) { | |
4663 function azimuthal(λ, φ) { | |
4664 var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); | |
4665 return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; | |
4666 } | |
4667 azimuthal.invert = function(x, y) { | |
4668 var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); | |
4669 return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; | |
4670 }; | |
4671 return azimuthal; | |
4672 } | |
4673 var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { | |
4674 return Math.sqrt(2 / (1 + cosλcosφ)); | |
4675 }, function(ρ) { | |
4676 return 2 * Math.asin(ρ / 2); | |
4677 }); | |
4678 (d3.geo.azimuthalEqualArea = function() { | |
4679 return d3_geo_projection(d3_geo_azimuthalEqualArea); | |
4680 }).raw = d3_geo_azimuthalEqualArea; | |
4681 var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { | |
4682 var c = Math.acos(cosλcosφ); | |
4683 return c && c / Math.sin(c); | |
4684 }, d3_identity); | |
4685 (d3.geo.azimuthalEquidistant = function() { | |
4686 return d3_geo_projection(d3_geo_azimuthalEquidistant); | |
4687 }).raw = d3_geo_azimuthalEquidistant; | |
4688 function d3_geo_conicConformal(φ0, φ1) { | |
4689 var cosφ0 = Math.cos(φ0), t = function(φ) { | |
4690 return Math.tan(π / 4 + φ / 2); | |
4691 }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n; | |
4692 if (!n) return d3_geo_mercator; | |
4693 function forward(λ, φ) { | |
4694 if (F > 0) { | |
4695 if (φ < -halfπ + ε) φ = -halfπ + ε; | |
4696 } else { | |
4697 if (φ > halfπ - ε) φ = halfπ - ε; | |
4698 } | |
4699 var ρ = F / Math.pow(t(φ), n); | |
4700 return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ]; | |
4701 } | |
4702 forward.invert = function(x, y) { | |
4703 var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y); | |
4704 return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ]; | |
4705 }; | |
4706 return forward; | |
4707 } | |
4708 (d3.geo.conicConformal = function() { | |
4709 return d3_geo_conic(d3_geo_conicConformal); | |
4710 }).raw = d3_geo_conicConformal; | |
4711 function d3_geo_conicEquidistant(φ0, φ1) { | |
4712 var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0; | |
4713 if (abs(n) < ε) return d3_geo_equirectangular; | |
4714 function forward(λ, φ) { | |
4715 var ρ = G - φ; | |
4716 return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ]; | |
4717 } | |
4718 forward.invert = function(x, y) { | |
4719 var ρ0_y = G - y; | |
4720 return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ]; | |
4721 }; | |
4722 return forward; | |
4723 } | |
4724 (d3.geo.conicEquidistant = function() { | |
4725 return d3_geo_conic(d3_geo_conicEquidistant); | |
4726 }).raw = d3_geo_conicEquidistant; | |
4727 var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { | |
4728 return 1 / cosλcosφ; | |
4729 }, Math.atan); | |
4730 (d3.geo.gnomonic = function() { | |
4731 return d3_geo_projection(d3_geo_gnomonic); | |
4732 }).raw = d3_geo_gnomonic; | |
4733 function d3_geo_mercator(λ, φ) { | |
4734 return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ]; | |
4735 } | |
4736 d3_geo_mercator.invert = function(x, y) { | |
4737 return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ]; | |
4738 }; | |
4739 function d3_geo_mercatorProjection(project) { | |
4740 var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto; | |
4741 m.scale = function() { | |
4742 var v = scale.apply(m, arguments); | |
4743 return v === m ? clipAuto ? m.clipExtent(null) : m : v; | |
4744 }; | |
4745 m.translate = function() { | |
4746 var v = translate.apply(m, arguments); | |
4747 return v === m ? clipAuto ? m.clipExtent(null) : m : v; | |
4748 }; | |
4749 m.clipExtent = function(_) { | |
4750 var v = clipExtent.apply(m, arguments); | |
4751 if (v === m) { | |
4752 if (clipAuto = _ == null) { | |
4753 var k = π * scale(), t = translate(); | |
4754 clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]); | |
4755 } | |
4756 } else if (clipAuto) { | |
4757 v = null; | |
4758 } | |
4759 return v; | |
4760 }; | |
4761 return m.clipExtent(null); | |
4762 } | |
4763 (d3.geo.mercator = function() { | |
4764 return d3_geo_mercatorProjection(d3_geo_mercator); | |
4765 }).raw = d3_geo_mercator; | |
4766 var d3_geo_orthographic = d3_geo_azimuthal(function() { | |
4767 return 1; | |
4768 }, Math.asin); | |
4769 (d3.geo.orthographic = function() { | |
4770 return d3_geo_projection(d3_geo_orthographic); | |
4771 }).raw = d3_geo_orthographic; | |
4772 var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { | |
4773 return 1 / (1 + cosλcosφ); | |
4774 }, function(ρ) { | |
4775 return 2 * Math.atan(ρ); | |
4776 }); | |
4777 (d3.geo.stereographic = function() { | |
4778 return d3_geo_projection(d3_geo_stereographic); | |
4779 }).raw = d3_geo_stereographic; | |
4780 function d3_geo_transverseMercator(λ, φ) { | |
4781 return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; | |
4782 } | |
4783 d3_geo_transverseMercator.invert = function(x, y) { | |
4784 return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; | |
4785 }; | |
4786 (d3.geo.transverseMercator = function() { | |
4787 var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; | |
4788 projection.center = function(_) { | |
4789 return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]); | |
4790 }; | |
4791 projection.rotate = function(_) { | |
4792 return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), | |
4793 [ _[0], _[1], _[2] - 90 ]); | |
4794 }; | |
4795 return rotate([ 0, 0, 90 ]); | |
4796 }).raw = d3_geo_transverseMercator; | |
4797 d3.geom = {}; | |
4798 function d3_geom_pointX(d) { | |
4799 return d[0]; | |
4800 } | |
4801 function d3_geom_pointY(d) { | |
4802 return d[1]; | |
4803 } | |
4804 d3.geom.hull = function(vertices) { | |
4805 var x = d3_geom_pointX, y = d3_geom_pointY; | |
4806 if (arguments.length) return hull(vertices); | |
4807 function hull(data) { | |
4808 if (data.length < 3) return []; | |
4809 var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; | |
4810 for (i = 0; i < n; i++) { | |
4811 points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); | |
4812 } | |
4813 points.sort(d3_geom_hullOrder); | |
4814 for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); | |
4815 var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); | |
4816 var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; | |
4817 for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); | |
4818 for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); | |
4819 return polygon; | |
4820 } | |
4821 hull.x = function(_) { | |
4822 return arguments.length ? (x = _, hull) : x; | |
4823 }; | |
4824 hull.y = function(_) { | |
4825 return arguments.length ? (y = _, hull) : y; | |
4826 }; | |
4827 return hull; | |
4828 }; | |
4829 function d3_geom_hullUpper(points) { | |
4830 var n = points.length, hull = [ 0, 1 ], hs = 2; | |
4831 for (var i = 2; i < n; i++) { | |
4832 while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; | |
4833 hull[hs++] = i; | |
4834 } | |
4835 return hull.slice(0, hs); | |
4836 } | |
4837 function d3_geom_hullOrder(a, b) { | |
4838 return a[0] - b[0] || a[1] - b[1]; | |
4839 } | |
4840 d3.geom.polygon = function(coordinates) { | |
4841 d3_subclass(coordinates, d3_geom_polygonPrototype); | |
4842 return coordinates; | |
4843 }; | |
4844 var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; | |
4845 d3_geom_polygonPrototype.area = function() { | |
4846 var i = -1, n = this.length, a, b = this[n - 1], area = 0; | |
4847 while (++i < n) { | |
4848 a = b; | |
4849 b = this[i]; | |
4850 area += a[1] * b[0] - a[0] * b[1]; | |
4851 } | |
4852 return area * .5; | |
4853 }; | |
4854 d3_geom_polygonPrototype.centroid = function(k) { | |
4855 var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; | |
4856 if (!arguments.length) k = -1 / (6 * this.area()); | |
4857 while (++i < n) { | |
4858 a = b; | |
4859 b = this[i]; | |
4860 c = a[0] * b[1] - b[0] * a[1]; | |
4861 x += (a[0] + b[0]) * c; | |
4862 y += (a[1] + b[1]) * c; | |
4863 } | |
4864 return [ x * k, y * k ]; | |
4865 }; | |
4866 d3_geom_polygonPrototype.clip = function(subject) { | |
4867 var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; | |
4868 while (++i < n) { | |
4869 input = subject.slice(); | |
4870 subject.length = 0; | |
4871 b = this[i]; | |
4872 c = input[(m = input.length - closed) - 1]; | |
4873 j = -1; | |
4874 while (++j < m) { | |
4875 d = input[j]; | |
4876 if (d3_geom_polygonInside(d, a, b)) { | |
4877 if (!d3_geom_polygonInside(c, a, b)) { | |
4878 subject.push(d3_geom_polygonIntersect(c, d, a, b)); | |
4879 } | |
4880 subject.push(d); | |
4881 } else if (d3_geom_polygonInside(c, a, b)) { | |
4882 subject.push(d3_geom_polygonIntersect(c, d, a, b)); | |
4883 } | |
4884 c = d; | |
4885 } | |
4886 if (closed) subject.push(subject[0]); | |
4887 a = b; | |
4888 } | |
4889 return subject; | |
4890 }; | |
4891 function d3_geom_polygonInside(p, a, b) { | |
4892 return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); | |
4893 } | |
4894 function d3_geom_polygonIntersect(c, d, a, b) { | |
4895 var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); | |
4896 return [ x1 + ua * x21, y1 + ua * y21 ]; | |
4897 } | |
4898 function d3_geom_polygonClosed(coordinates) { | |
4899 var a = coordinates[0], b = coordinates[coordinates.length - 1]; | |
4900 return !(a[0] - b[0] || a[1] - b[1]); | |
4901 } | |
4902 var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; | |
4903 function d3_geom_voronoiBeach() { | |
4904 d3_geom_voronoiRedBlackNode(this); | |
4905 this.edge = this.site = this.circle = null; | |
4906 } | |
4907 function d3_geom_voronoiCreateBeach(site) { | |
4908 var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); | |
4909 beach.site = site; | |
4910 return beach; | |
4911 } | |
4912 function d3_geom_voronoiDetachBeach(beach) { | |
4913 d3_geom_voronoiDetachCircle(beach); | |
4914 d3_geom_voronoiBeaches.remove(beach); | |
4915 d3_geom_voronoiBeachPool.push(beach); | |
4916 d3_geom_voronoiRedBlackNode(beach); | |
4917 } | |
4918 function d3_geom_voronoiRemoveBeach(beach) { | |
4919 var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { | |
4920 x: x, | |
4921 y: y | |
4922 }, previous = beach.P, next = beach.N, disappearing = [ beach ]; | |
4923 d3_geom_voronoiDetachBeach(beach); | |
4924 var lArc = previous; | |
4925 while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { | |
4926 previous = lArc.P; | |
4927 disappearing.unshift(lArc); | |
4928 d3_geom_voronoiDetachBeach(lArc); | |
4929 lArc = previous; | |
4930 } | |
4931 disappearing.unshift(lArc); | |
4932 d3_geom_voronoiDetachCircle(lArc); | |
4933 var rArc = next; | |
4934 while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { | |
4935 next = rArc.N; | |
4936 disappearing.push(rArc); | |
4937 d3_geom_voronoiDetachBeach(rArc); | |
4938 rArc = next; | |
4939 } | |
4940 disappearing.push(rArc); | |
4941 d3_geom_voronoiDetachCircle(rArc); | |
4942 var nArcs = disappearing.length, iArc; | |
4943 for (iArc = 1; iArc < nArcs; ++iArc) { | |
4944 rArc = disappearing[iArc]; | |
4945 lArc = disappearing[iArc - 1]; | |
4946 d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); | |
4947 } | |
4948 lArc = disappearing[0]; | |
4949 rArc = disappearing[nArcs - 1]; | |
4950 rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); | |
4951 d3_geom_voronoiAttachCircle(lArc); | |
4952 d3_geom_voronoiAttachCircle(rArc); | |
4953 } | |
4954 function d3_geom_voronoiAddBeach(site) { | |
4955 var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; | |
4956 while (node) { | |
4957 dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; | |
4958 if (dxl > ε) node = node.L; else { | |
4959 dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); | |
4960 if (dxr > ε) { | |
4961 if (!node.R) { | |
4962 lArc = node; | |
4963 break; | |
4964 } | |
4965 node = node.R; | |
4966 } else { | |
4967 if (dxl > -ε) { | |
4968 lArc = node.P; | |
4969 rArc = node; | |
4970 } else if (dxr > -ε) { | |
4971 lArc = node; | |
4972 rArc = node.N; | |
4973 } else { | |
4974 lArc = rArc = node; | |
4975 } | |
4976 break; | |
4977 } | |
4978 } | |
4979 } | |
4980 var newArc = d3_geom_voronoiCreateBeach(site); | |
4981 d3_geom_voronoiBeaches.insert(lArc, newArc); | |
4982 if (!lArc && !rArc) return; | |
4983 if (lArc === rArc) { | |
4984 d3_geom_voronoiDetachCircle(lArc); | |
4985 rArc = d3_geom_voronoiCreateBeach(lArc.site); | |
4986 d3_geom_voronoiBeaches.insert(newArc, rArc); | |
4987 newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); | |
4988 d3_geom_voronoiAttachCircle(lArc); | |
4989 d3_geom_voronoiAttachCircle(rArc); | |
4990 return; | |
4991 } | |
4992 if (!rArc) { | |
4993 newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); | |
4994 return; | |
4995 } | |
4996 d3_geom_voronoiDetachCircle(lArc); | |
4997 d3_geom_voronoiDetachCircle(rArc); | |
4998 var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { | |
4999 x: (cy * hb - by * hc) / d + ax, | |
5000 y: (bx * hc - cx * hb) / d + ay | |
5001 }; | |
5002 d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); | |
5003 newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); | |
5004 rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); | |
5005 d3_geom_voronoiAttachCircle(lArc); | |
5006 d3_geom_voronoiAttachCircle(rArc); | |
5007 } | |
5008 function d3_geom_voronoiLeftBreakPoint(arc, directrix) { | |
5009 var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; | |
5010 if (!pby2) return rfocx; | |
5011 var lArc = arc.P; | |
5012 if (!lArc) return -Infinity; | |
5013 site = lArc.site; | |
5014 var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; | |
5015 if (!plby2) return lfocx; | |
5016 var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; | |
5017 if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; | |
5018 return (rfocx + lfocx) / 2; | |
5019 } | |
5020 function d3_geom_voronoiRightBreakPoint(arc, directrix) { | |
5021 var rArc = arc.N; | |
5022 if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); | |
5023 var site = arc.site; | |
5024 return site.y === directrix ? site.x : Infinity; | |
5025 } | |
5026 function d3_geom_voronoiCell(site) { | |
5027 this.site = site; | |
5028 this.edges = []; | |
5029 } | |
5030 d3_geom_voronoiCell.prototype.prepare = function() { | |
5031 var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; | |
5032 while (iHalfEdge--) { | |
5033 edge = halfEdges[iHalfEdge].edge; | |
5034 if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); | |
5035 } | |
5036 halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); | |
5037 return halfEdges.length; | |
5038 }; | |
5039 function d3_geom_voronoiCloseCells(extent) { | |
5040 var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; | |
5041 while (iCell--) { | |
5042 cell = cells[iCell]; | |
5043 if (!cell || !cell.prepare()) continue; | |
5044 halfEdges = cell.edges; | |
5045 nHalfEdges = halfEdges.length; | |
5046 iHalfEdge = 0; | |
5047 while (iHalfEdge < nHalfEdges) { | |
5048 end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; | |
5049 start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; | |
5050 if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { | |
5051 halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { | |
5052 x: x0, | |
5053 y: abs(x2 - x0) < ε ? y2 : y1 | |
5054 } : abs(y3 - y1) < ε && x1 - x3 > ε ? { | |
5055 x: abs(y2 - y1) < ε ? x2 : x1, | |
5056 y: y1 | |
5057 } : abs(x3 - x1) < ε && y3 - y0 > ε ? { | |
5058 x: x1, | |
5059 y: abs(x2 - x1) < ε ? y2 : y0 | |
5060 } : abs(y3 - y0) < ε && x3 - x0 > ε ? { | |
5061 x: abs(y2 - y0) < ε ? x2 : x0, | |
5062 y: y0 | |
5063 } : null), cell.site, null)); | |
5064 ++nHalfEdges; | |
5065 } | |
5066 } | |
5067 } | |
5068 } | |
5069 function d3_geom_voronoiHalfEdgeOrder(a, b) { | |
5070 return b.angle - a.angle; | |
5071 } | |
5072 function d3_geom_voronoiCircle() { | |
5073 d3_geom_voronoiRedBlackNode(this); | |
5074 this.x = this.y = this.arc = this.site = this.cy = null; | |
5075 } | |
5076 function d3_geom_voronoiAttachCircle(arc) { | |
5077 var lArc = arc.P, rArc = arc.N; | |
5078 if (!lArc || !rArc) return; | |
5079 var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; | |
5080 if (lSite === rSite) return; | |
5081 var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; | |
5082 var d = 2 * (ax * cy - ay * cx); | |
5083 if (d >= -ε2) return; | |
5084 var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; | |
5085 var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); | |
5086 circle.arc = arc; | |
5087 circle.site = cSite; | |
5088 circle.x = x + bx; | |
5089 circle.y = cy + Math.sqrt(x * x + y * y); | |
5090 circle.cy = cy; | |
5091 arc.circle = circle; | |
5092 var before = null, node = d3_geom_voronoiCircles._; | |
5093 while (node) { | |
5094 if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { | |
5095 if (node.L) node = node.L; else { | |
5096 before = node.P; | |
5097 break; | |
5098 } | |
5099 } else { | |
5100 if (node.R) node = node.R; else { | |
5101 before = node; | |
5102 break; | |
5103 } | |
5104 } | |
5105 } | |
5106 d3_geom_voronoiCircles.insert(before, circle); | |
5107 if (!before) d3_geom_voronoiFirstCircle = circle; | |
5108 } | |
5109 function d3_geom_voronoiDetachCircle(arc) { | |
5110 var circle = arc.circle; | |
5111 if (circle) { | |
5112 if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; | |
5113 d3_geom_voronoiCircles.remove(circle); | |
5114 d3_geom_voronoiCirclePool.push(circle); | |
5115 d3_geom_voronoiRedBlackNode(circle); | |
5116 arc.circle = null; | |
5117 } | |
5118 } | |
5119 function d3_geom_voronoiClipEdges(extent) { | |
5120 var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; | |
5121 while (i--) { | |
5122 e = edges[i]; | |
5123 if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { | |
5124 e.a = e.b = null; | |
5125 edges.splice(i, 1); | |
5126 } | |
5127 } | |
5128 } | |
5129 function d3_geom_voronoiConnectEdge(edge, extent) { | |
5130 var vb = edge.b; | |
5131 if (vb) return true; | |
5132 var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; | |
5133 if (ry === ly) { | |
5134 if (fx < x0 || fx >= x1) return; | |
5135 if (lx > rx) { | |
5136 if (!va) va = { | |
5137 x: fx, | |
5138 y: y0 | |
5139 }; else if (va.y >= y1) return; | |
5140 vb = { | |
5141 x: fx, | |
5142 y: y1 | |
5143 }; | |
5144 } else { | |
5145 if (!va) va = { | |
5146 x: fx, | |
5147 y: y1 | |
5148 }; else if (va.y < y0) return; | |
5149 vb = { | |
5150 x: fx, | |
5151 y: y0 | |
5152 }; | |
5153 } | |
5154 } else { | |
5155 fm = (lx - rx) / (ry - ly); | |
5156 fb = fy - fm * fx; | |
5157 if (fm < -1 || fm > 1) { | |
5158 if (lx > rx) { | |
5159 if (!va) va = { | |
5160 x: (y0 - fb) / fm, | |
5161 y: y0 | |
5162 }; else if (va.y >= y1) return; | |
5163 vb = { | |
5164 x: (y1 - fb) / fm, | |
5165 y: y1 | |
5166 }; | |
5167 } else { | |
5168 if (!va) va = { | |
5169 x: (y1 - fb) / fm, | |
5170 y: y1 | |
5171 }; else if (va.y < y0) return; | |
5172 vb = { | |
5173 x: (y0 - fb) / fm, | |
5174 y: y0 | |
5175 }; | |
5176 } | |
5177 } else { | |
5178 if (ly < ry) { | |
5179 if (!va) va = { | |
5180 x: x0, | |
5181 y: fm * x0 + fb | |
5182 }; else if (va.x >= x1) return; | |
5183 vb = { | |
5184 x: x1, | |
5185 y: fm * x1 + fb | |
5186 }; | |
5187 } else { | |
5188 if (!va) va = { | |
5189 x: x1, | |
5190 y: fm * x1 + fb | |
5191 }; else if (va.x < x0) return; | |
5192 vb = { | |
5193 x: x0, | |
5194 y: fm * x0 + fb | |
5195 }; | |
5196 } | |
5197 } | |
5198 } | |
5199 edge.a = va; | |
5200 edge.b = vb; | |
5201 return true; | |
5202 } | |
5203 function d3_geom_voronoiEdge(lSite, rSite) { | |
5204 this.l = lSite; | |
5205 this.r = rSite; | |
5206 this.a = this.b = null; | |
5207 } | |
5208 function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { | |
5209 var edge = new d3_geom_voronoiEdge(lSite, rSite); | |
5210 d3_geom_voronoiEdges.push(edge); | |
5211 if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); | |
5212 if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); | |
5213 d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); | |
5214 d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); | |
5215 return edge; | |
5216 } | |
5217 function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { | |
5218 var edge = new d3_geom_voronoiEdge(lSite, null); | |
5219 edge.a = va; | |
5220 edge.b = vb; | |
5221 d3_geom_voronoiEdges.push(edge); | |
5222 return edge; | |
5223 } | |
5224 function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { | |
5225 if (!edge.a && !edge.b) { | |
5226 edge.a = vertex; | |
5227 edge.l = lSite; | |
5228 edge.r = rSite; | |
5229 } else if (edge.l === rSite) { | |
5230 edge.b = vertex; | |
5231 } else { | |
5232 edge.a = vertex; | |
5233 } | |
5234 } | |
5235 function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { | |
5236 var va = edge.a, vb = edge.b; | |
5237 this.edge = edge; | |
5238 this.site = lSite; | |
5239 this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); | |
5240 } | |
5241 d3_geom_voronoiHalfEdge.prototype = { | |
5242 start: function() { | |
5243 return this.edge.l === this.site ? this.edge.a : this.edge.b; | |
5244 }, | |
5245 end: function() { | |
5246 return this.edge.l === this.site ? this.edge.b : this.edge.a; | |
5247 } | |
5248 }; | |
5249 function d3_geom_voronoiRedBlackTree() { | |
5250 this._ = null; | |
5251 } | |
5252 function d3_geom_voronoiRedBlackNode(node) { | |
5253 node.U = node.C = node.L = node.R = node.P = node.N = null; | |
5254 } | |
5255 d3_geom_voronoiRedBlackTree.prototype = { | |
5256 insert: function(after, node) { | |
5257 var parent, grandpa, uncle; | |
5258 if (after) { | |
5259 node.P = after; | |
5260 node.N = after.N; | |
5261 if (after.N) after.N.P = node; | |
5262 after.N = node; | |
5263 if (after.R) { | |
5264 after = after.R; | |
5265 while (after.L) after = after.L; | |
5266 after.L = node; | |
5267 } else { | |
5268 after.R = node; | |
5269 } | |
5270 parent = after; | |
5271 } else if (this._) { | |
5272 after = d3_geom_voronoiRedBlackFirst(this._); | |
5273 node.P = null; | |
5274 node.N = after; | |
5275 after.P = after.L = node; | |
5276 parent = after; | |
5277 } else { | |
5278 node.P = node.N = null; | |
5279 this._ = node; | |
5280 parent = null; | |
5281 } | |
5282 node.L = node.R = null; | |
5283 node.U = parent; | |
5284 node.C = true; | |
5285 after = node; | |
5286 while (parent && parent.C) { | |
5287 grandpa = parent.U; | |
5288 if (parent === grandpa.L) { | |
5289 uncle = grandpa.R; | |
5290 if (uncle && uncle.C) { | |
5291 parent.C = uncle.C = false; | |
5292 grandpa.C = true; | |
5293 after = grandpa; | |
5294 } else { | |
5295 if (after === parent.R) { | |
5296 d3_geom_voronoiRedBlackRotateLeft(this, parent); | |
5297 after = parent; | |
5298 parent = after.U; | |
5299 } | |
5300 parent.C = false; | |
5301 grandpa.C = true; | |
5302 d3_geom_voronoiRedBlackRotateRight(this, grandpa); | |
5303 } | |
5304 } else { | |
5305 uncle = grandpa.L; | |
5306 if (uncle && uncle.C) { | |
5307 parent.C = uncle.C = false; | |
5308 grandpa.C = true; | |
5309 after = grandpa; | |
5310 } else { | |
5311 if (after === parent.L) { | |
5312 d3_geom_voronoiRedBlackRotateRight(this, parent); | |
5313 after = parent; | |
5314 parent = after.U; | |
5315 } | |
5316 parent.C = false; | |
5317 grandpa.C = true; | |
5318 d3_geom_voronoiRedBlackRotateLeft(this, grandpa); | |
5319 } | |
5320 } | |
5321 parent = after.U; | |
5322 } | |
5323 this._.C = false; | |
5324 }, | |
5325 remove: function(node) { | |
5326 if (node.N) node.N.P = node.P; | |
5327 if (node.P) node.P.N = node.N; | |
5328 node.N = node.P = null; | |
5329 var parent = node.U, sibling, left = node.L, right = node.R, next, red; | |
5330 if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); | |
5331 if (parent) { | |
5332 if (parent.L === node) parent.L = next; else parent.R = next; | |
5333 } else { | |
5334 this._ = next; | |
5335 } | |
5336 if (left && right) { | |
5337 red = next.C; | |
5338 next.C = node.C; | |
5339 next.L = left; | |
5340 left.U = next; | |
5341 if (next !== right) { | |
5342 parent = next.U; | |
5343 next.U = node.U; | |
5344 node = next.R; | |
5345 parent.L = node; | |
5346 next.R = right; | |
5347 right.U = next; | |
5348 } else { | |
5349 next.U = parent; | |
5350 parent = next; | |
5351 node = next.R; | |
5352 } | |
5353 } else { | |
5354 red = node.C; | |
5355 node = next; | |
5356 } | |
5357 if (node) node.U = parent; | |
5358 if (red) return; | |
5359 if (node && node.C) { | |
5360 node.C = false; | |
5361 return; | |
5362 } | |
5363 do { | |
5364 if (node === this._) break; | |
5365 if (node === parent.L) { | |
5366 sibling = parent.R; | |
5367 if (sibling.C) { | |
5368 sibling.C = false; | |
5369 parent.C = true; | |
5370 d3_geom_voronoiRedBlackRotateLeft(this, parent); | |
5371 sibling = parent.R; | |
5372 } | |
5373 if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { | |
5374 if (!sibling.R || !sibling.R.C) { | |
5375 sibling.L.C = false; | |
5376 sibling.C = true; | |
5377 d3_geom_voronoiRedBlackRotateRight(this, sibling); | |
5378 sibling = parent.R; | |
5379 } | |
5380 sibling.C = parent.C; | |
5381 parent.C = sibling.R.C = false; | |
5382 d3_geom_voronoiRedBlackRotateLeft(this, parent); | |
5383 node = this._; | |
5384 break; | |
5385 } | |
5386 } else { | |
5387 sibling = parent.L; | |
5388 if (sibling.C) { | |
5389 sibling.C = false; | |
5390 parent.C = true; | |
5391 d3_geom_voronoiRedBlackRotateRight(this, parent); | |
5392 sibling = parent.L; | |
5393 } | |
5394 if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { | |
5395 if (!sibling.L || !sibling.L.C) { | |
5396 sibling.R.C = false; | |
5397 sibling.C = true; | |
5398 d3_geom_voronoiRedBlackRotateLeft(this, sibling); | |
5399 sibling = parent.L; | |
5400 } | |
5401 sibling.C = parent.C; | |
5402 parent.C = sibling.L.C = false; | |
5403 d3_geom_voronoiRedBlackRotateRight(this, parent); | |
5404 node = this._; | |
5405 break; | |
5406 } | |
5407 } | |
5408 sibling.C = true; | |
5409 node = parent; | |
5410 parent = parent.U; | |
5411 } while (!node.C); | |
5412 if (node) node.C = false; | |
5413 } | |
5414 }; | |
5415 function d3_geom_voronoiRedBlackRotateLeft(tree, node) { | |
5416 var p = node, q = node.R, parent = p.U; | |
5417 if (parent) { | |
5418 if (parent.L === p) parent.L = q; else parent.R = q; | |
5419 } else { | |
5420 tree._ = q; | |
5421 } | |
5422 q.U = parent; | |
5423 p.U = q; | |
5424 p.R = q.L; | |
5425 if (p.R) p.R.U = p; | |
5426 q.L = p; | |
5427 } | |
5428 function d3_geom_voronoiRedBlackRotateRight(tree, node) { | |
5429 var p = node, q = node.L, parent = p.U; | |
5430 if (parent) { | |
5431 if (parent.L === p) parent.L = q; else parent.R = q; | |
5432 } else { | |
5433 tree._ = q; | |
5434 } | |
5435 q.U = parent; | |
5436 p.U = q; | |
5437 p.L = q.R; | |
5438 if (p.L) p.L.U = p; | |
5439 q.R = p; | |
5440 } | |
5441 function d3_geom_voronoiRedBlackFirst(node) { | |
5442 while (node.L) node = node.L; | |
5443 return node; | |
5444 } | |
5445 function d3_geom_voronoi(sites, bbox) { | |
5446 var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; | |
5447 d3_geom_voronoiEdges = []; | |
5448 d3_geom_voronoiCells = new Array(sites.length); | |
5449 d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); | |
5450 d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); | |
5451 while (true) { | |
5452 circle = d3_geom_voronoiFirstCircle; | |
5453 if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { | |
5454 if (site.x !== x0 || site.y !== y0) { | |
5455 d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); | |
5456 d3_geom_voronoiAddBeach(site); | |
5457 x0 = site.x, y0 = site.y; | |
5458 } | |
5459 site = sites.pop(); | |
5460 } else if (circle) { | |
5461 d3_geom_voronoiRemoveBeach(circle.arc); | |
5462 } else { | |
5463 break; | |
5464 } | |
5465 } | |
5466 if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); | |
5467 var diagram = { | |
5468 cells: d3_geom_voronoiCells, | |
5469 edges: d3_geom_voronoiEdges | |
5470 }; | |
5471 d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; | |
5472 return diagram; | |
5473 } | |
5474 function d3_geom_voronoiVertexOrder(a, b) { | |
5475 return b.y - a.y || b.x - a.x; | |
5476 } | |
5477 d3.geom.voronoi = function(points) { | |
5478 var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; | |
5479 if (points) return voronoi(points); | |
5480 function voronoi(data) { | |
5481 var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; | |
5482 d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { | |
5483 var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { | |
5484 var s = e.start(); | |
5485 return [ s.x, s.y ]; | |
5486 }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; | |
5487 polygon.point = data[i]; | |
5488 }); | |
5489 return polygons; | |
5490 } | |
5491 function sites(data) { | |
5492 return data.map(function(d, i) { | |
5493 return { | |
5494 x: Math.round(fx(d, i) / ε) * ε, | |
5495 y: Math.round(fy(d, i) / ε) * ε, | |
5496 i: i | |
5497 }; | |
5498 }); | |
5499 } | |
5500 voronoi.links = function(data) { | |
5501 return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { | |
5502 return edge.l && edge.r; | |
5503 }).map(function(edge) { | |
5504 return { | |
5505 source: data[edge.l.i], | |
5506 target: data[edge.r.i] | |
5507 }; | |
5508 }); | |
5509 }; | |
5510 voronoi.triangles = function(data) { | |
5511 var triangles = []; | |
5512 d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { | |
5513 var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; | |
5514 while (++j < m) { | |
5515 e0 = e1; | |
5516 s0 = s1; | |
5517 e1 = edges[j].edge; | |
5518 s1 = e1.l === site ? e1.r : e1.l; | |
5519 if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { | |
5520 triangles.push([ data[i], data[s0.i], data[s1.i] ]); | |
5521 } | |
5522 } | |
5523 }); | |
5524 return triangles; | |
5525 }; | |
5526 voronoi.x = function(_) { | |
5527 return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; | |
5528 }; | |
5529 voronoi.y = function(_) { | |
5530 return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; | |
5531 }; | |
5532 voronoi.clipExtent = function(_) { | |
5533 if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; | |
5534 clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; | |
5535 return voronoi; | |
5536 }; | |
5537 voronoi.size = function(_) { | |
5538 if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; | |
5539 return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); | |
5540 }; | |
5541 return voronoi; | |
5542 }; | |
5543 var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; | |
5544 function d3_geom_voronoiTriangleArea(a, b, c) { | |
5545 return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); | |
5546 } | |
5547 d3.geom.delaunay = function(vertices) { | |
5548 return d3.geom.voronoi().triangles(vertices); | |
5549 }; | |
5550 d3.geom.quadtree = function(points, x1, y1, x2, y2) { | |
5551 var x = d3_geom_pointX, y = d3_geom_pointY, compat; | |
5552 if (compat = arguments.length) { | |
5553 x = d3_geom_quadtreeCompatX; | |
5554 y = d3_geom_quadtreeCompatY; | |
5555 if (compat === 3) { | |
5556 y2 = y1; | |
5557 x2 = x1; | |
5558 y1 = x1 = 0; | |
5559 } | |
5560 return quadtree(points); | |
5561 } | |
5562 function quadtree(data) { | |
5563 var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_; | |
5564 if (x1 != null) { | |
5565 x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2; | |
5566 } else { | |
5567 x2_ = y2_ = -(x1_ = y1_ = Infinity); | |
5568 xs = [], ys = []; | |
5569 n = data.length; | |
5570 if (compat) for (i = 0; i < n; ++i) { | |
5571 d = data[i]; | |
5572 if (d.x < x1_) x1_ = d.x; | |
5573 if (d.y < y1_) y1_ = d.y; | |
5574 if (d.x > x2_) x2_ = d.x; | |
5575 if (d.y > y2_) y2_ = d.y; | |
5576 xs.push(d.x); | |
5577 ys.push(d.y); | |
5578 } else for (i = 0; i < n; ++i) { | |
5579 var x_ = +fx(d = data[i], i), y_ = +fy(d, i); | |
5580 if (x_ < x1_) x1_ = x_; | |
5581 if (y_ < y1_) y1_ = y_; | |
5582 if (x_ > x2_) x2_ = x_; | |
5583 if (y_ > y2_) y2_ = y_; | |
5584 xs.push(x_); | |
5585 ys.push(y_); | |
5586 } | |
5587 } | |
5588 var dx = x2_ - x1_, dy = y2_ - y1_; | |
5589 if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy; | |
5590 function insert(n, d, x, y, x1, y1, x2, y2) { | |
5591 if (isNaN(x) || isNaN(y)) return; | |
5592 if (n.leaf) { | |
5593 var nx = n.x, ny = n.y; | |
5594 if (nx != null) { | |
5595 if (abs(nx - x) + abs(ny - y) < .01) { | |
5596 insertChild(n, d, x, y, x1, y1, x2, y2); | |
5597 } else { | |
5598 var nPoint = n.point; | |
5599 n.x = n.y = n.point = null; | |
5600 insertChild(n, nPoint, nx, ny, x1, y1, x2, y2); | |
5601 insertChild(n, d, x, y, x1, y1, x2, y2); | |
5602 } | |
5603 } else { | |
5604 n.x = x, n.y = y, n.point = d; | |
5605 } | |
5606 } else { | |
5607 insertChild(n, d, x, y, x1, y1, x2, y2); | |
5608 } | |
5609 } | |
5610 function insertChild(n, d, x, y, x1, y1, x2, y2) { | |
5611 var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right; | |
5612 n.leaf = false; | |
5613 n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); | |
5614 if (right) x1 = xm; else x2 = xm; | |
5615 if (below) y1 = ym; else y2 = ym; | |
5616 insert(n, d, x, y, x1, y1, x2, y2); | |
5617 } | |
5618 var root = d3_geom_quadtreeNode(); | |
5619 root.add = function(d) { | |
5620 insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_); | |
5621 }; | |
5622 root.visit = function(f) { | |
5623 d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_); | |
5624 }; | |
5625 root.find = function(point) { | |
5626 return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_); | |
5627 }; | |
5628 i = -1; | |
5629 if (x1 == null) { | |
5630 while (++i < n) { | |
5631 insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_); | |
5632 } | |
5633 --i; | |
5634 } else data.forEach(root.add); | |
5635 xs = ys = data = d = null; | |
5636 return root; | |
5637 } | |
5638 quadtree.x = function(_) { | |
5639 return arguments.length ? (x = _, quadtree) : x; | |
5640 }; | |
5641 quadtree.y = function(_) { | |
5642 return arguments.length ? (y = _, quadtree) : y; | |
5643 }; | |
5644 quadtree.extent = function(_) { | |
5645 if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; | |
5646 if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], | |
5647 y2 = +_[1][1]; | |
5648 return quadtree; | |
5649 }; | |
5650 quadtree.size = function(_) { | |
5651 if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; | |
5652 if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1]; | |
5653 return quadtree; | |
5654 }; | |
5655 return quadtree; | |
5656 }; | |
5657 function d3_geom_quadtreeCompatX(d) { | |
5658 return d.x; | |
5659 } | |
5660 function d3_geom_quadtreeCompatY(d) { | |
5661 return d.y; | |
5662 } | |
5663 function d3_geom_quadtreeNode() { | |
5664 return { | |
5665 leaf: true, | |
5666 nodes: [], | |
5667 point: null, | |
5668 x: null, | |
5669 y: null | |
5670 }; | |
5671 } | |
5672 function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { | |
5673 if (!f(node, x1, y1, x2, y2)) { | |
5674 var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; | |
5675 if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); | |
5676 if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); | |
5677 if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); | |
5678 if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); | |
5679 } | |
5680 } | |
5681 function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) { | |
5682 var minDistance2 = Infinity, closestPoint; | |
5683 (function find(node, x1, y1, x2, y2) { | |
5684 if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return; | |
5685 if (point = node.point) { | |
5686 var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy; | |
5687 if (distance2 < minDistance2) { | |
5688 var distance = Math.sqrt(minDistance2 = distance2); | |
5689 x0 = x - distance, y0 = y - distance; | |
5690 x3 = x + distance, y3 = y + distance; | |
5691 closestPoint = point; | |
5692 } | |
5693 } | |
5694 var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym; | |
5695 for (var i = below << 1 | right, j = i + 4; i < j; ++i) { | |
5696 if (node = children[i & 3]) switch (i & 3) { | |
5697 case 0: | |
5698 find(node, x1, y1, xm, ym); | |
5699 break; | |
5700 | |
5701 case 1: | |
5702 find(node, xm, y1, x2, ym); | |
5703 break; | |
5704 | |
5705 case 2: | |
5706 find(node, x1, ym, xm, y2); | |
5707 break; | |
5708 | |
5709 case 3: | |
5710 find(node, xm, ym, x2, y2); | |
5711 break; | |
5712 } | |
5713 } | |
5714 })(root, x0, y0, x3, y3); | |
5715 return closestPoint; | |
5716 } | |
5717 d3.interpolateRgb = d3_interpolateRgb; | |
5718 function d3_interpolateRgb(a, b) { | |
5719 a = d3.rgb(a); | |
5720 b = d3.rgb(b); | |
5721 var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; | |
5722 return function(t) { | |
5723 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)); | |
5724 }; | |
5725 } | |
5726 d3.interpolateObject = d3_interpolateObject; | |
5727 function d3_interpolateObject(a, b) { | |
5728 var i = {}, c = {}, k; | |
5729 for (k in a) { | |
5730 if (k in b) { | |
5731 i[k] = d3_interpolate(a[k], b[k]); | |
5732 } else { | |
5733 c[k] = a[k]; | |
5734 } | |
5735 } | |
5736 for (k in b) { | |
5737 if (!(k in a)) { | |
5738 c[k] = b[k]; | |
5739 } | |
5740 } | |
5741 return function(t) { | |
5742 for (k in i) c[k] = i[k](t); | |
5743 return c; | |
5744 }; | |
5745 } | |
5746 d3.interpolateNumber = d3_interpolateNumber; | |
5747 function d3_interpolateNumber(a, b) { | |
5748 a = +a, b = +b; | |
5749 return function(t) { | |
5750 return a * (1 - t) + b * t; | |
5751 }; | |
5752 } | |
5753 d3.interpolateString = d3_interpolateString; | |
5754 function d3_interpolateString(a, b) { | |
5755 var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = []; | |
5756 a = a + "", b = b + ""; | |
5757 while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) { | |
5758 if ((bs = bm.index) > bi) { | |
5759 bs = b.slice(bi, bs); | |
5760 if (s[i]) s[i] += bs; else s[++i] = bs; | |
5761 } | |
5762 if ((am = am[0]) === (bm = bm[0])) { | |
5763 if (s[i]) s[i] += bm; else s[++i] = bm; | |
5764 } else { | |
5765 s[++i] = null; | |
5766 q.push({ | |
5767 i: i, | |
5768 x: d3_interpolateNumber(am, bm) | |
5769 }); | |
5770 } | |
5771 bi = d3_interpolate_numberB.lastIndex; | |
5772 } | |
5773 if (bi < b.length) { | |
5774 bs = b.slice(bi); | |
5775 if (s[i]) s[i] += bs; else s[++i] = bs; | |
5776 } | |
5777 return s.length < 2 ? q[0] ? (b = q[0].x, function(t) { | |
5778 return b(t) + ""; | |
5779 }) : function() { | |
5780 return b; | |
5781 } : (b = q.length, function(t) { | |
5782 for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); | |
5783 return s.join(""); | |
5784 }); | |
5785 } | |
5786 var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g"); | |
5787 d3.interpolate = d3_interpolate; | |
5788 function d3_interpolate(a, b) { | |
5789 var i = d3.interpolators.length, f; | |
5790 while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; | |
5791 return f; | |
5792 } | |
5793 d3.interpolators = [ function(a, b) { | |
5794 var t = typeof b; | |
5795 return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); | |
5796 } ]; | |
5797 d3.interpolateArray = d3_interpolateArray; | |
5798 function d3_interpolateArray(a, b) { | |
5799 var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; | |
5800 for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i])); | |
5801 for (;i < na; ++i) c[i] = a[i]; | |
5802 for (;i < nb; ++i) c[i] = b[i]; | |
5803 return function(t) { | |
5804 for (i = 0; i < n0; ++i) c[i] = x[i](t); | |
5805 return c; | |
5806 }; | |
5807 } | |
5808 var d3_ease_default = function() { | |
5809 return d3_identity; | |
5810 }; | |
5811 var d3_ease = d3.map({ | |
5812 linear: d3_ease_default, | |
5813 poly: d3_ease_poly, | |
5814 quad: function() { | |
5815 return d3_ease_quad; | |
5816 }, | |
5817 cubic: function() { | |
5818 return d3_ease_cubic; | |
5819 }, | |
5820 sin: function() { | |
5821 return d3_ease_sin; | |
5822 }, | |
5823 exp: function() { | |
5824 return d3_ease_exp; | |
5825 }, | |
5826 circle: function() { | |
5827 return d3_ease_circle; | |
5828 }, | |
5829 elastic: d3_ease_elastic, | |
5830 back: d3_ease_back, | |
5831 bounce: function() { | |
5832 return d3_ease_bounce; | |
5833 } | |
5834 }); | |
5835 var d3_ease_mode = d3.map({ | |
5836 "in": d3_identity, | |
5837 out: d3_ease_reverse, | |
5838 "in-out": d3_ease_reflect, | |
5839 "out-in": function(f) { | |
5840 return d3_ease_reflect(d3_ease_reverse(f)); | |
5841 } | |
5842 }); | |
5843 d3.ease = function(name) { | |
5844 var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in"; | |
5845 t = d3_ease.get(t) || d3_ease_default; | |
5846 m = d3_ease_mode.get(m) || d3_identity; | |
5847 return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1)))); | |
5848 }; | |
5849 function d3_ease_clamp(f) { | |
5850 return function(t) { | |
5851 return t <= 0 ? 0 : t >= 1 ? 1 : f(t); | |
5852 }; | |
5853 } | |
5854 function d3_ease_reverse(f) { | |
5855 return function(t) { | |
5856 return 1 - f(1 - t); | |
5857 }; | |
5858 } | |
5859 function d3_ease_reflect(f) { | |
5860 return function(t) { | |
5861 return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); | |
5862 }; | |
5863 } | |
5864 function d3_ease_quad(t) { | |
5865 return t * t; | |
5866 } | |
5867 function d3_ease_cubic(t) { | |
5868 return t * t * t; | |
5869 } | |
5870 function d3_ease_cubicInOut(t) { | |
5871 if (t <= 0) return 0; | |
5872 if (t >= 1) return 1; | |
5873 var t2 = t * t, t3 = t2 * t; | |
5874 return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); | |
5875 } | |
5876 function d3_ease_poly(e) { | |
5877 return function(t) { | |
5878 return Math.pow(t, e); | |
5879 }; | |
5880 } | |
5881 function d3_ease_sin(t) { | |
5882 return 1 - Math.cos(t * halfπ); | |
5883 } | |
5884 function d3_ease_exp(t) { | |
5885 return Math.pow(2, 10 * (t - 1)); | |
5886 } | |
5887 function d3_ease_circle(t) { | |
5888 return 1 - Math.sqrt(1 - t * t); | |
5889 } | |
5890 function d3_ease_elastic(a, p) { | |
5891 var s; | |
5892 if (arguments.length < 2) p = .45; | |
5893 if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4; | |
5894 return function(t) { | |
5895 return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p); | |
5896 }; | |
5897 } | |
5898 function d3_ease_back(s) { | |
5899 if (!s) s = 1.70158; | |
5900 return function(t) { | |
5901 return t * t * ((s + 1) * t - s); | |
5902 }; | |
5903 } | |
5904 function d3_ease_bounce(t) { | |
5905 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; | |
5906 } | |
5907 d3.interpolateHcl = d3_interpolateHcl; | |
5908 function d3_interpolateHcl(a, b) { | |
5909 a = d3.hcl(a); | |
5910 b = d3.hcl(b); | |
5911 var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; | |
5912 if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; | |
5913 if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; | |
5914 return function(t) { | |
5915 return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; | |
5916 }; | |
5917 } | |
5918 d3.interpolateHsl = d3_interpolateHsl; | |
5919 function d3_interpolateHsl(a, b) { | |
5920 a = d3.hsl(a); | |
5921 b = d3.hsl(b); | |
5922 var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; | |
5923 if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; | |
5924 if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; | |
5925 return function(t) { | |
5926 return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + ""; | |
5927 }; | |
5928 } | |
5929 d3.interpolateLab = d3_interpolateLab; | |
5930 function d3_interpolateLab(a, b) { | |
5931 a = d3.lab(a); | |
5932 b = d3.lab(b); | |
5933 var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; | |
5934 return function(t) { | |
5935 return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; | |
5936 }; | |
5937 } | |
5938 d3.interpolateRound = d3_interpolateRound; | |
5939 function d3_interpolateRound(a, b) { | |
5940 b -= a; | |
5941 return function(t) { | |
5942 return Math.round(a + b * t); | |
5943 }; | |
5944 } | |
5945 d3.transform = function(string) { | |
5946 var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); | |
5947 return (d3.transform = function(string) { | |
5948 if (string != null) { | |
5949 g.setAttribute("transform", string); | |
5950 var t = g.transform.baseVal.consolidate(); | |
5951 } | |
5952 return new d3_transform(t ? t.matrix : d3_transformIdentity); | |
5953 })(string); | |
5954 }; | |
5955 function d3_transform(m) { | |
5956 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; | |
5957 if (r0[0] * r1[1] < r1[0] * r0[1]) { | |
5958 r0[0] *= -1; | |
5959 r0[1] *= -1; | |
5960 kx *= -1; | |
5961 kz *= -1; | |
5962 } | |
5963 this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; | |
5964 this.translate = [ m.e, m.f ]; | |
5965 this.scale = [ kx, ky ]; | |
5966 this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; | |
5967 } | |
5968 d3_transform.prototype.toString = function() { | |
5969 return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; | |
5970 }; | |
5971 function d3_transformDot(a, b) { | |
5972 return a[0] * b[0] + a[1] * b[1]; | |
5973 } | |
5974 function d3_transformNormalize(a) { | |
5975 var k = Math.sqrt(d3_transformDot(a, a)); | |
5976 if (k) { | |
5977 a[0] /= k; | |
5978 a[1] /= k; | |
5979 } | |
5980 return k; | |
5981 } | |
5982 function d3_transformCombine(a, b, k) { | |
5983 a[0] += k * b[0]; | |
5984 a[1] += k * b[1]; | |
5985 return a; | |
5986 } | |
5987 var d3_transformIdentity = { | |
5988 a: 1, | |
5989 b: 0, | |
5990 c: 0, | |
5991 d: 1, | |
5992 e: 0, | |
5993 f: 0 | |
5994 }; | |
5995 d3.interpolateTransform = d3_interpolateTransform; | |
5996 function d3_interpolateTransformPop(s) { | |
5997 return s.length ? s.pop() + "," : ""; | |
5998 } | |
5999 function d3_interpolateTranslate(ta, tb, s, q) { | |
6000 if (ta[0] !== tb[0] || ta[1] !== tb[1]) { | |
6001 var i = s.push("translate(", null, ",", null, ")"); | |
6002 q.push({ | |
6003 i: i - 4, | |
6004 x: d3_interpolateNumber(ta[0], tb[0]) | |
6005 }, { | |
6006 i: i - 2, | |
6007 x: d3_interpolateNumber(ta[1], tb[1]) | |
6008 }); | |
6009 } else if (tb[0] || tb[1]) { | |
6010 s.push("translate(" + tb + ")"); | |
6011 } | |
6012 } | |
6013 function d3_interpolateRotate(ra, rb, s, q) { | |
6014 if (ra !== rb) { | |
6015 if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; | |
6016 q.push({ | |
6017 i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, | |
6018 x: d3_interpolateNumber(ra, rb) | |
6019 }); | |
6020 } else if (rb) { | |
6021 s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); | |
6022 } | |
6023 } | |
6024 function d3_interpolateSkew(wa, wb, s, q) { | |
6025 if (wa !== wb) { | |
6026 q.push({ | |
6027 i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, | |
6028 x: d3_interpolateNumber(wa, wb) | |
6029 }); | |
6030 } else if (wb) { | |
6031 s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); | |
6032 } | |
6033 } | |
6034 function d3_interpolateScale(ka, kb, s, q) { | |
6035 if (ka[0] !== kb[0] || ka[1] !== kb[1]) { | |
6036 var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); | |
6037 q.push({ | |
6038 i: i - 4, | |
6039 x: d3_interpolateNumber(ka[0], kb[0]) | |
6040 }, { | |
6041 i: i - 2, | |
6042 x: d3_interpolateNumber(ka[1], kb[1]) | |
6043 }); | |
6044 } else if (kb[0] !== 1 || kb[1] !== 1) { | |
6045 s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); | |
6046 } | |
6047 } | |
6048 function d3_interpolateTransform(a, b) { | |
6049 var s = [], q = []; | |
6050 a = d3.transform(a), b = d3.transform(b); | |
6051 d3_interpolateTranslate(a.translate, b.translate, s, q); | |
6052 d3_interpolateRotate(a.rotate, b.rotate, s, q); | |
6053 d3_interpolateSkew(a.skew, b.skew, s, q); | |
6054 d3_interpolateScale(a.scale, b.scale, s, q); | |
6055 a = b = null; | |
6056 return function(t) { | |
6057 var i = -1, n = q.length, o; | |
6058 while (++i < n) s[(o = q[i]).i] = o.x(t); | |
6059 return s.join(""); | |
6060 }; | |
6061 } | |
6062 function d3_uninterpolateNumber(a, b) { | |
6063 b = (b -= a = +a) || 1 / b; | |
6064 return function(x) { | |
6065 return (x - a) / b; | |
6066 }; | |
6067 } | |
6068 function d3_uninterpolateClamp(a, b) { | |
6069 b = (b -= a = +a) || 1 / b; | |
6070 return function(x) { | |
6071 return Math.max(0, Math.min(1, (x - a) / b)); | |
6072 }; | |
6073 } | |
6074 d3.layout = {}; | |
6075 d3.layout.bundle = function() { | |
6076 return function(links) { | |
6077 var paths = [], i = -1, n = links.length; | |
6078 while (++i < n) paths.push(d3_layout_bundlePath(links[i])); | |
6079 return paths; | |
6080 }; | |
6081 }; | |
6082 function d3_layout_bundlePath(link) { | |
6083 var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; | |
6084 while (start !== lca) { | |
6085 start = start.parent; | |
6086 points.push(start); | |
6087 } | |
6088 var k = points.length; | |
6089 while (end !== lca) { | |
6090 points.splice(k, 0, end); | |
6091 end = end.parent; | |
6092 } | |
6093 return points; | |
6094 } | |
6095 function d3_layout_bundleAncestors(node) { | |
6096 var ancestors = [], parent = node.parent; | |
6097 while (parent != null) { | |
6098 ancestors.push(node); | |
6099 node = parent; | |
6100 parent = parent.parent; | |
6101 } | |
6102 ancestors.push(node); | |
6103 return ancestors; | |
6104 } | |
6105 function d3_layout_bundleLeastCommonAncestor(a, b) { | |
6106 if (a === b) return a; | |
6107 var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; | |
6108 while (aNode === bNode) { | |
6109 sharedNode = aNode; | |
6110 aNode = aNodes.pop(); | |
6111 bNode = bNodes.pop(); | |
6112 } | |
6113 return sharedNode; | |
6114 } | |
6115 d3.layout.chord = function() { | |
6116 var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; | |
6117 function relayout() { | |
6118 var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; | |
6119 chords = []; | |
6120 groups = []; | |
6121 k = 0, i = -1; | |
6122 while (++i < n) { | |
6123 x = 0, j = -1; | |
6124 while (++j < n) { | |
6125 x += matrix[i][j]; | |
6126 } | |
6127 groupSums.push(x); | |
6128 subgroupIndex.push(d3.range(n)); | |
6129 k += x; | |
6130 } | |
6131 if (sortGroups) { | |
6132 groupIndex.sort(function(a, b) { | |
6133 return sortGroups(groupSums[a], groupSums[b]); | |
6134 }); | |
6135 } | |
6136 if (sortSubgroups) { | |
6137 subgroupIndex.forEach(function(d, i) { | |
6138 d.sort(function(a, b) { | |
6139 return sortSubgroups(matrix[i][a], matrix[i][b]); | |
6140 }); | |
6141 }); | |
6142 } | |
6143 k = (τ - padding * n) / k; | |
6144 x = 0, i = -1; | |
6145 while (++i < n) { | |
6146 x0 = x, j = -1; | |
6147 while (++j < n) { | |
6148 var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; | |
6149 subgroups[di + "-" + dj] = { | |
6150 index: di, | |
6151 subindex: dj, | |
6152 startAngle: a0, | |
6153 endAngle: a1, | |
6154 value: v | |
6155 }; | |
6156 } | |
6157 groups[di] = { | |
6158 index: di, | |
6159 startAngle: x0, | |
6160 endAngle: x, | |
6161 value: groupSums[di] | |
6162 }; | |
6163 x += padding; | |
6164 } | |
6165 i = -1; | |
6166 while (++i < n) { | |
6167 j = i - 1; | |
6168 while (++j < n) { | |
6169 var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; | |
6170 if (source.value || target.value) { | |
6171 chords.push(source.value < target.value ? { | |
6172 source: target, | |
6173 target: source | |
6174 } : { | |
6175 source: source, | |
6176 target: target | |
6177 }); | |
6178 } | |
6179 } | |
6180 } | |
6181 if (sortChords) resort(); | |
6182 } | |
6183 function resort() { | |
6184 chords.sort(function(a, b) { | |
6185 return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); | |
6186 }); | |
6187 } | |
6188 chord.matrix = function(x) { | |
6189 if (!arguments.length) return matrix; | |
6190 n = (matrix = x) && matrix.length; | |
6191 chords = groups = null; | |
6192 return chord; | |
6193 }; | |
6194 chord.padding = function(x) { | |
6195 if (!arguments.length) return padding; | |
6196 padding = x; | |
6197 chords = groups = null; | |
6198 return chord; | |
6199 }; | |
6200 chord.sortGroups = function(x) { | |
6201 if (!arguments.length) return sortGroups; | |
6202 sortGroups = x; | |
6203 chords = groups = null; | |
6204 return chord; | |
6205 }; | |
6206 chord.sortSubgroups = function(x) { | |
6207 if (!arguments.length) return sortSubgroups; | |
6208 sortSubgroups = x; | |
6209 chords = null; | |
6210 return chord; | |
6211 }; | |
6212 chord.sortChords = function(x) { | |
6213 if (!arguments.length) return sortChords; | |
6214 sortChords = x; | |
6215 if (chords) resort(); | |
6216 return chord; | |
6217 }; | |
6218 chord.chords = function() { | |
6219 if (!chords) relayout(); | |
6220 return chords; | |
6221 }; | |
6222 chord.groups = function() { | |
6223 if (!groups) relayout(); | |
6224 return groups; | |
6225 }; | |
6226 return chord; | |
6227 }; | |
6228 d3.layout.force = function() { | |
6229 var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; | |
6230 function repulse(node) { | |
6231 return function(quad, x1, _, x2) { | |
6232 if (quad.point !== node) { | |
6233 var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy; | |
6234 if (dw * dw / theta2 < dn) { | |
6235 if (dn < chargeDistance2) { | |
6236 var k = quad.charge / dn; | |
6237 node.px -= dx * k; | |
6238 node.py -= dy * k; | |
6239 } | |
6240 return true; | |
6241 } | |
6242 if (quad.point && dn && dn < chargeDistance2) { | |
6243 var k = quad.pointCharge / dn; | |
6244 node.px -= dx * k; | |
6245 node.py -= dy * k; | |
6246 } | |
6247 } | |
6248 return !quad.charge; | |
6249 }; | |
6250 } | |
6251 force.tick = function() { | |
6252 if ((alpha *= .99) < .005) { | |
6253 timer = null; | |
6254 event.end({ | |
6255 type: "end", | |
6256 alpha: alpha = 0 | |
6257 }); | |
6258 return true; | |
6259 } | |
6260 var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; | |
6261 for (i = 0; i < m; ++i) { | |
6262 o = links[i]; | |
6263 s = o.source; | |
6264 t = o.target; | |
6265 x = t.x - s.x; | |
6266 y = t.y - s.y; | |
6267 if (l = x * x + y * y) { | |
6268 l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; | |
6269 x *= l; | |
6270 y *= l; | |
6271 t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5); | |
6272 t.y -= y * k; | |
6273 s.x += x * (k = 1 - k); | |
6274 s.y += y * k; | |
6275 } | |
6276 } | |
6277 if (k = alpha * gravity) { | |
6278 x = size[0] / 2; | |
6279 y = size[1] / 2; | |
6280 i = -1; | |
6281 if (k) while (++i < n) { | |
6282 o = nodes[i]; | |
6283 o.x += (x - o.x) * k; | |
6284 o.y += (y - o.y) * k; | |
6285 } | |
6286 } | |
6287 if (charge) { | |
6288 d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); | |
6289 i = -1; | |
6290 while (++i < n) { | |
6291 if (!(o = nodes[i]).fixed) { | |
6292 q.visit(repulse(o)); | |
6293 } | |
6294 } | |
6295 } | |
6296 i = -1; | |
6297 while (++i < n) { | |
6298 o = nodes[i]; | |
6299 if (o.fixed) { | |
6300 o.x = o.px; | |
6301 o.y = o.py; | |
6302 } else { | |
6303 o.x -= (o.px - (o.px = o.x)) * friction; | |
6304 o.y -= (o.py - (o.py = o.y)) * friction; | |
6305 } | |
6306 } | |
6307 event.tick({ | |
6308 type: "tick", | |
6309 alpha: alpha | |
6310 }); | |
6311 }; | |
6312 force.nodes = function(x) { | |
6313 if (!arguments.length) return nodes; | |
6314 nodes = x; | |
6315 return force; | |
6316 }; | |
6317 force.links = function(x) { | |
6318 if (!arguments.length) return links; | |
6319 links = x; | |
6320 return force; | |
6321 }; | |
6322 force.size = function(x) { | |
6323 if (!arguments.length) return size; | |
6324 size = x; | |
6325 return force; | |
6326 }; | |
6327 force.linkDistance = function(x) { | |
6328 if (!arguments.length) return linkDistance; | |
6329 linkDistance = typeof x === "function" ? x : +x; | |
6330 return force; | |
6331 }; | |
6332 force.distance = force.linkDistance; | |
6333 force.linkStrength = function(x) { | |
6334 if (!arguments.length) return linkStrength; | |
6335 linkStrength = typeof x === "function" ? x : +x; | |
6336 return force; | |
6337 }; | |
6338 force.friction = function(x) { | |
6339 if (!arguments.length) return friction; | |
6340 friction = +x; | |
6341 return force; | |
6342 }; | |
6343 force.charge = function(x) { | |
6344 if (!arguments.length) return charge; | |
6345 charge = typeof x === "function" ? x : +x; | |
6346 return force; | |
6347 }; | |
6348 force.chargeDistance = function(x) { | |
6349 if (!arguments.length) return Math.sqrt(chargeDistance2); | |
6350 chargeDistance2 = x * x; | |
6351 return force; | |
6352 }; | |
6353 force.gravity = function(x) { | |
6354 if (!arguments.length) return gravity; | |
6355 gravity = +x; | |
6356 return force; | |
6357 }; | |
6358 force.theta = function(x) { | |
6359 if (!arguments.length) return Math.sqrt(theta2); | |
6360 theta2 = x * x; | |
6361 return force; | |
6362 }; | |
6363 force.alpha = function(x) { | |
6364 if (!arguments.length) return alpha; | |
6365 x = +x; | |
6366 if (alpha) { | |
6367 if (x > 0) { | |
6368 alpha = x; | |
6369 } else { | |
6370 timer.c = null, timer.t = NaN, timer = null; | |
6371 event.end({ | |
6372 type: "end", | |
6373 alpha: alpha = 0 | |
6374 }); | |
6375 } | |
6376 } else if (x > 0) { | |
6377 event.start({ | |
6378 type: "start", | |
6379 alpha: alpha = x | |
6380 }); | |
6381 timer = d3_timer(force.tick); | |
6382 } | |
6383 return force; | |
6384 }; | |
6385 force.start = function() { | |
6386 var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; | |
6387 for (i = 0; i < n; ++i) { | |
6388 (o = nodes[i]).index = i; | |
6389 o.weight = 0; | |
6390 } | |
6391 for (i = 0; i < m; ++i) { | |
6392 o = links[i]; | |
6393 if (typeof o.source == "number") o.source = nodes[o.source]; | |
6394 if (typeof o.target == "number") o.target = nodes[o.target]; | |
6395 ++o.source.weight; | |
6396 ++o.target.weight; | |
6397 } | |
6398 for (i = 0; i < n; ++i) { | |
6399 o = nodes[i]; | |
6400 if (isNaN(o.x)) o.x = position("x", w); | |
6401 if (isNaN(o.y)) o.y = position("y", h); | |
6402 if (isNaN(o.px)) o.px = o.x; | |
6403 if (isNaN(o.py)) o.py = o.y; | |
6404 } | |
6405 distances = []; | |
6406 if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance; | |
6407 strengths = []; | |
6408 if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength; | |
6409 charges = []; | |
6410 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; | |
6411 function position(dimension, size) { | |
6412 if (!neighbors) { | |
6413 neighbors = new Array(n); | |
6414 for (j = 0; j < n; ++j) { | |
6415 neighbors[j] = []; | |
6416 } | |
6417 for (j = 0; j < m; ++j) { | |
6418 var o = links[j]; | |
6419 neighbors[o.source.index].push(o.target); | |
6420 neighbors[o.target.index].push(o.source); | |
6421 } | |
6422 } | |
6423 var candidates = neighbors[i], j = -1, l = candidates.length, x; | |
6424 while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x; | |
6425 return Math.random() * size; | |
6426 } | |
6427 return force.resume(); | |
6428 }; | |
6429 force.resume = function() { | |
6430 return force.alpha(.1); | |
6431 }; | |
6432 force.stop = function() { | |
6433 return force.alpha(0); | |
6434 }; | |
6435 force.drag = function() { | |
6436 if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend); | |
6437 if (!arguments.length) return drag; | |
6438 this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); | |
6439 }; | |
6440 function dragmove(d) { | |
6441 d.px = d3.event.x, d.py = d3.event.y; | |
6442 force.resume(); | |
6443 } | |
6444 return d3.rebind(force, event, "on"); | |
6445 }; | |
6446 function d3_layout_forceDragstart(d) { | |
6447 d.fixed |= 2; | |
6448 } | |
6449 function d3_layout_forceDragend(d) { | |
6450 d.fixed &= ~6; | |
6451 } | |
6452 function d3_layout_forceMouseover(d) { | |
6453 d.fixed |= 4; | |
6454 d.px = d.x, d.py = d.y; | |
6455 } | |
6456 function d3_layout_forceMouseout(d) { | |
6457 d.fixed &= ~4; | |
6458 } | |
6459 function d3_layout_forceAccumulate(quad, alpha, charges) { | |
6460 var cx = 0, cy = 0; | |
6461 quad.charge = 0; | |
6462 if (!quad.leaf) { | |
6463 var nodes = quad.nodes, n = nodes.length, i = -1, c; | |
6464 while (++i < n) { | |
6465 c = nodes[i]; | |
6466 if (c == null) continue; | |
6467 d3_layout_forceAccumulate(c, alpha, charges); | |
6468 quad.charge += c.charge; | |
6469 cx += c.charge * c.cx; | |
6470 cy += c.charge * c.cy; | |
6471 } | |
6472 } | |
6473 if (quad.point) { | |
6474 if (!quad.leaf) { | |
6475 quad.point.x += Math.random() - .5; | |
6476 quad.point.y += Math.random() - .5; | |
6477 } | |
6478 var k = alpha * charges[quad.point.index]; | |
6479 quad.charge += quad.pointCharge = k; | |
6480 cx += k * quad.point.x; | |
6481 cy += k * quad.point.y; | |
6482 } | |
6483 quad.cx = cx / quad.charge; | |
6484 quad.cy = cy / quad.charge; | |
6485 } | |
6486 var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity; | |
6487 d3.layout.hierarchy = function() { | |
6488 var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; | |
6489 function hierarchy(root) { | |
6490 var stack = [ root ], nodes = [], node; | |
6491 root.depth = 0; | |
6492 while ((node = stack.pop()) != null) { | |
6493 nodes.push(node); | |
6494 if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) { | |
6495 var n, childs, child; | |
6496 while (--n >= 0) { | |
6497 stack.push(child = childs[n]); | |
6498 child.parent = node; | |
6499 child.depth = node.depth + 1; | |
6500 } | |
6501 if (value) node.value = 0; | |
6502 node.children = childs; | |
6503 } else { | |
6504 if (value) node.value = +value.call(hierarchy, node, node.depth) || 0; | |
6505 delete node.children; | |
6506 } | |
6507 } | |
6508 d3_layout_hierarchyVisitAfter(root, function(node) { | |
6509 var childs, parent; | |
6510 if (sort && (childs = node.children)) childs.sort(sort); | |
6511 if (value && (parent = node.parent)) parent.value += node.value; | |
6512 }); | |
6513 return nodes; | |
6514 } | |
6515 hierarchy.sort = function(x) { | |
6516 if (!arguments.length) return sort; | |
6517 sort = x; | |
6518 return hierarchy; | |
6519 }; | |
6520 hierarchy.children = function(x) { | |
6521 if (!arguments.length) return children; | |
6522 children = x; | |
6523 return hierarchy; | |
6524 }; | |
6525 hierarchy.value = function(x) { | |
6526 if (!arguments.length) return value; | |
6527 value = x; | |
6528 return hierarchy; | |
6529 }; | |
6530 hierarchy.revalue = function(root) { | |
6531 if (value) { | |
6532 d3_layout_hierarchyVisitBefore(root, function(node) { | |
6533 if (node.children) node.value = 0; | |
6534 }); | |
6535 d3_layout_hierarchyVisitAfter(root, function(node) { | |
6536 var parent; | |
6537 if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0; | |
6538 if (parent = node.parent) parent.value += node.value; | |
6539 }); | |
6540 } | |
6541 return root; | |
6542 }; | |
6543 return hierarchy; | |
6544 }; | |
6545 function d3_layout_hierarchyRebind(object, hierarchy) { | |
6546 d3.rebind(object, hierarchy, "sort", "children", "value"); | |
6547 object.nodes = object; | |
6548 object.links = d3_layout_hierarchyLinks; | |
6549 return object; | |
6550 } | |
6551 function d3_layout_hierarchyVisitBefore(node, callback) { | |
6552 var nodes = [ node ]; | |
6553 while ((node = nodes.pop()) != null) { | |
6554 callback(node); | |
6555 if ((children = node.children) && (n = children.length)) { | |
6556 var n, children; | |
6557 while (--n >= 0) nodes.push(children[n]); | |
6558 } | |
6559 } | |
6560 } | |
6561 function d3_layout_hierarchyVisitAfter(node, callback) { | |
6562 var nodes = [ node ], nodes2 = []; | |
6563 while ((node = nodes.pop()) != null) { | |
6564 nodes2.push(node); | |
6565 if ((children = node.children) && (n = children.length)) { | |
6566 var i = -1, n, children; | |
6567 while (++i < n) nodes.push(children[i]); | |
6568 } | |
6569 } | |
6570 while ((node = nodes2.pop()) != null) { | |
6571 callback(node); | |
6572 } | |
6573 } | |
6574 function d3_layout_hierarchyChildren(d) { | |
6575 return d.children; | |
6576 } | |
6577 function d3_layout_hierarchyValue(d) { | |
6578 return d.value; | |
6579 } | |
6580 function d3_layout_hierarchySort(a, b) { | |
6581 return b.value - a.value; | |
6582 } | |
6583 function d3_layout_hierarchyLinks(nodes) { | |
6584 return d3.merge(nodes.map(function(parent) { | |
6585 return (parent.children || []).map(function(child) { | |
6586 return { | |
6587 source: parent, | |
6588 target: child | |
6589 }; | |
6590 }); | |
6591 })); | |
6592 } | |
6593 d3.layout.partition = function() { | |
6594 var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; | |
6595 function position(node, x, dx, dy) { | |
6596 var children = node.children; | |
6597 node.x = x; | |
6598 node.y = node.depth * dy; | |
6599 node.dx = dx; | |
6600 node.dy = dy; | |
6601 if (children && (n = children.length)) { | |
6602 var i = -1, n, c, d; | |
6603 dx = node.value ? dx / node.value : 0; | |
6604 while (++i < n) { | |
6605 position(c = children[i], x, d = c.value * dx, dy); | |
6606 x += d; | |
6607 } | |
6608 } | |
6609 } | |
6610 function depth(node) { | |
6611 var children = node.children, d = 0; | |
6612 if (children && (n = children.length)) { | |
6613 var i = -1, n; | |
6614 while (++i < n) d = Math.max(d, depth(children[i])); | |
6615 } | |
6616 return 1 + d; | |
6617 } | |
6618 function partition(d, i) { | |
6619 var nodes = hierarchy.call(this, d, i); | |
6620 position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); | |
6621 return nodes; | |
6622 } | |
6623 partition.size = function(x) { | |
6624 if (!arguments.length) return size; | |
6625 size = x; | |
6626 return partition; | |
6627 }; | |
6628 return d3_layout_hierarchyRebind(partition, hierarchy); | |
6629 }; | |
6630 d3.layout.pie = function() { | |
6631 var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0; | |
6632 function pie(data) { | |
6633 var n = data.length, values = data.map(function(d, i) { | |
6634 return +value.call(pie, d, i); | |
6635 }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v; | |
6636 if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { | |
6637 return values[j] - values[i]; | |
6638 } : function(i, j) { | |
6639 return sort(data[i], data[j]); | |
6640 }); | |
6641 index.forEach(function(i) { | |
6642 arcs[i] = { | |
6643 data: data[i], | |
6644 value: v = values[i], | |
6645 startAngle: a, | |
6646 endAngle: a += v * k + pa, | |
6647 padAngle: p | |
6648 }; | |
6649 }); | |
6650 return arcs; | |
6651 } | |
6652 pie.value = function(_) { | |
6653 if (!arguments.length) return value; | |
6654 value = _; | |
6655 return pie; | |
6656 }; | |
6657 pie.sort = function(_) { | |
6658 if (!arguments.length) return sort; | |
6659 sort = _; | |
6660 return pie; | |
6661 }; | |
6662 pie.startAngle = function(_) { | |
6663 if (!arguments.length) return startAngle; | |
6664 startAngle = _; | |
6665 return pie; | |
6666 }; | |
6667 pie.endAngle = function(_) { | |
6668 if (!arguments.length) return endAngle; | |
6669 endAngle = _; | |
6670 return pie; | |
6671 }; | |
6672 pie.padAngle = function(_) { | |
6673 if (!arguments.length) return padAngle; | |
6674 padAngle = _; | |
6675 return pie; | |
6676 }; | |
6677 return pie; | |
6678 }; | |
6679 var d3_layout_pieSortByValue = {}; | |
6680 d3.layout.stack = function() { | |
6681 var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; | |
6682 function stack(data, index) { | |
6683 if (!(n = data.length)) return data; | |
6684 var series = data.map(function(d, i) { | |
6685 return values.call(stack, d, i); | |
6686 }); | |
6687 var points = series.map(function(d) { | |
6688 return d.map(function(v, i) { | |
6689 return [ x.call(stack, v, i), y.call(stack, v, i) ]; | |
6690 }); | |
6691 }); | |
6692 var orders = order.call(stack, points, index); | |
6693 series = d3.permute(series, orders); | |
6694 points = d3.permute(points, orders); | |
6695 var offsets = offset.call(stack, points, index); | |
6696 var m = series[0].length, n, i, j, o; | |
6697 for (j = 0; j < m; ++j) { | |
6698 out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); | |
6699 for (i = 1; i < n; ++i) { | |
6700 out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); | |
6701 } | |
6702 } | |
6703 return data; | |
6704 } | |
6705 stack.values = function(x) { | |
6706 if (!arguments.length) return values; | |
6707 values = x; | |
6708 return stack; | |
6709 }; | |
6710 stack.order = function(x) { | |
6711 if (!arguments.length) return order; | |
6712 order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; | |
6713 return stack; | |
6714 }; | |
6715 stack.offset = function(x) { | |
6716 if (!arguments.length) return offset; | |
6717 offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; | |
6718 return stack; | |
6719 }; | |
6720 stack.x = function(z) { | |
6721 if (!arguments.length) return x; | |
6722 x = z; | |
6723 return stack; | |
6724 }; | |
6725 stack.y = function(z) { | |
6726 if (!arguments.length) return y; | |
6727 y = z; | |
6728 return stack; | |
6729 }; | |
6730 stack.out = function(z) { | |
6731 if (!arguments.length) return out; | |
6732 out = z; | |
6733 return stack; | |
6734 }; | |
6735 return stack; | |
6736 }; | |
6737 function d3_layout_stackX(d) { | |
6738 return d.x; | |
6739 } | |
6740 function d3_layout_stackY(d) { | |
6741 return d.y; | |
6742 } | |
6743 function d3_layout_stackOut(d, y0, y) { | |
6744 d.y0 = y0; | |
6745 d.y = y; | |
6746 } | |
6747 var d3_layout_stackOrders = d3.map({ | |
6748 "inside-out": function(data) { | |
6749 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) { | |
6750 return max[a] - max[b]; | |
6751 }), top = 0, bottom = 0, tops = [], bottoms = []; | |
6752 for (i = 0; i < n; ++i) { | |
6753 j = index[i]; | |
6754 if (top < bottom) { | |
6755 top += sums[j]; | |
6756 tops.push(j); | |
6757 } else { | |
6758 bottom += sums[j]; | |
6759 bottoms.push(j); | |
6760 } | |
6761 } | |
6762 return bottoms.reverse().concat(tops); | |
6763 }, | |
6764 reverse: function(data) { | |
6765 return d3.range(data.length).reverse(); | |
6766 }, | |
6767 "default": d3_layout_stackOrderDefault | |
6768 }); | |
6769 var d3_layout_stackOffsets = d3.map({ | |
6770 silhouette: function(data) { | |
6771 var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; | |
6772 for (j = 0; j < m; ++j) { | |
6773 for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; | |
6774 if (o > max) max = o; | |
6775 sums.push(o); | |
6776 } | |
6777 for (j = 0; j < m; ++j) { | |
6778 y0[j] = (max - sums[j]) / 2; | |
6779 } | |
6780 return y0; | |
6781 }, | |
6782 wiggle: function(data) { | |
6783 var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; | |
6784 y0[0] = o = o0 = 0; | |
6785 for (j = 1; j < m; ++j) { | |
6786 for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; | |
6787 for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { | |
6788 for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { | |
6789 s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; | |
6790 } | |
6791 s2 += s3 * data[i][j][1]; | |
6792 } | |
6793 y0[j] = o -= s1 ? s2 / s1 * dx : 0; | |
6794 if (o < o0) o0 = o; | |
6795 } | |
6796 for (j = 0; j < m; ++j) y0[j] -= o0; | |
6797 return y0; | |
6798 }, | |
6799 expand: function(data) { | |
6800 var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; | |
6801 for (j = 0; j < m; ++j) { | |
6802 for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; | |
6803 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; | |
6804 } | |
6805 for (j = 0; j < m; ++j) y0[j] = 0; | |
6806 return y0; | |
6807 }, | |
6808 zero: d3_layout_stackOffsetZero | |
6809 }); | |
6810 function d3_layout_stackOrderDefault(data) { | |
6811 return d3.range(data.length); | |
6812 } | |
6813 function d3_layout_stackOffsetZero(data) { | |
6814 var j = -1, m = data[0].length, y0 = []; | |
6815 while (++j < m) y0[j] = 0; | |
6816 return y0; | |
6817 } | |
6818 function d3_layout_stackMaxIndex(array) { | |
6819 var i = 1, j = 0, v = array[0][1], k, n = array.length; | |
6820 for (;i < n; ++i) { | |
6821 if ((k = array[i][1]) > v) { | |
6822 j = i; | |
6823 v = k; | |
6824 } | |
6825 } | |
6826 return j; | |
6827 } | |
6828 function d3_layout_stackReduceSum(d) { | |
6829 return d.reduce(d3_layout_stackSum, 0); | |
6830 } | |
6831 function d3_layout_stackSum(p, d) { | |
6832 return p + d[1]; | |
6833 } | |
6834 d3.layout.histogram = function() { | |
6835 var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; | |
6836 function histogram(data, i) { | |
6837 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; | |
6838 while (++i < m) { | |
6839 bin = bins[i] = []; | |
6840 bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); | |
6841 bin.y = 0; | |
6842 } | |
6843 if (m > 0) { | |
6844 i = -1; | |
6845 while (++i < n) { | |
6846 x = values[i]; | |
6847 if (x >= range[0] && x <= range[1]) { | |
6848 bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; | |
6849 bin.y += k; | |
6850 bin.push(data[i]); | |
6851 } | |
6852 } | |
6853 } | |
6854 return bins; | |
6855 } | |
6856 histogram.value = function(x) { | |
6857 if (!arguments.length) return valuer; | |
6858 valuer = x; | |
6859 return histogram; | |
6860 }; | |
6861 histogram.range = function(x) { | |
6862 if (!arguments.length) return ranger; | |
6863 ranger = d3_functor(x); | |
6864 return histogram; | |
6865 }; | |
6866 histogram.bins = function(x) { | |
6867 if (!arguments.length) return binner; | |
6868 binner = typeof x === "number" ? function(range) { | |
6869 return d3_layout_histogramBinFixed(range, x); | |
6870 } : d3_functor(x); | |
6871 return histogram; | |
6872 }; | |
6873 histogram.frequency = function(x) { | |
6874 if (!arguments.length) return frequency; | |
6875 frequency = !!x; | |
6876 return histogram; | |
6877 }; | |
6878 return histogram; | |
6879 }; | |
6880 function d3_layout_histogramBinSturges(range, values) { | |
6881 return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); | |
6882 } | |
6883 function d3_layout_histogramBinFixed(range, n) { | |
6884 var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; | |
6885 while (++x <= n) f[x] = m * x + b; | |
6886 return f; | |
6887 } | |
6888 function d3_layout_histogramRange(values) { | |
6889 return [ d3.min(values), d3.max(values) ]; | |
6890 } | |
6891 d3.layout.pack = function() { | |
6892 var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; | |
6893 function pack(d, i) { | |
6894 var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { | |
6895 return radius; | |
6896 }; | |
6897 root.x = root.y = 0; | |
6898 d3_layout_hierarchyVisitAfter(root, function(d) { | |
6899 d.r = +r(d.value); | |
6900 }); | |
6901 d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); | |
6902 if (padding) { | |
6903 var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; | |
6904 d3_layout_hierarchyVisitAfter(root, function(d) { | |
6905 d.r += dr; | |
6906 }); | |
6907 d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); | |
6908 d3_layout_hierarchyVisitAfter(root, function(d) { | |
6909 d.r -= dr; | |
6910 }); | |
6911 } | |
6912 d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); | |
6913 return nodes; | |
6914 } | |
6915 pack.size = function(_) { | |
6916 if (!arguments.length) return size; | |
6917 size = _; | |
6918 return pack; | |
6919 }; | |
6920 pack.radius = function(_) { | |
6921 if (!arguments.length) return radius; | |
6922 radius = _ == null || typeof _ === "function" ? _ : +_; | |
6923 return pack; | |
6924 }; | |
6925 pack.padding = function(_) { | |
6926 if (!arguments.length) return padding; | |
6927 padding = +_; | |
6928 return pack; | |
6929 }; | |
6930 return d3_layout_hierarchyRebind(pack, hierarchy); | |
6931 }; | |
6932 function d3_layout_packSort(a, b) { | |
6933 return a.value - b.value; | |
6934 } | |
6935 function d3_layout_packInsert(a, b) { | |
6936 var c = a._pack_next; | |
6937 a._pack_next = b; | |
6938 b._pack_prev = a; | |
6939 b._pack_next = c; | |
6940 c._pack_prev = b; | |
6941 } | |
6942 function d3_layout_packSplice(a, b) { | |
6943 a._pack_next = b; | |
6944 b._pack_prev = a; | |
6945 } | |
6946 function d3_layout_packIntersects(a, b) { | |
6947 var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; | |
6948 return .999 * dr * dr > dx * dx + dy * dy; | |
6949 } | |
6950 function d3_layout_packSiblings(node) { | |
6951 if (!(nodes = node.children) || !(n = nodes.length)) return; | |
6952 var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; | |
6953 function bound(node) { | |
6954 xMin = Math.min(node.x - node.r, xMin); | |
6955 xMax = Math.max(node.x + node.r, xMax); | |
6956 yMin = Math.min(node.y - node.r, yMin); | |
6957 yMax = Math.max(node.y + node.r, yMax); | |
6958 } | |
6959 nodes.forEach(d3_layout_packLink); | |
6960 a = nodes[0]; | |
6961 a.x = -a.r; | |
6962 a.y = 0; | |
6963 bound(a); | |
6964 if (n > 1) { | |
6965 b = nodes[1]; | |
6966 b.x = b.r; | |
6967 b.y = 0; | |
6968 bound(b); | |
6969 if (n > 2) { | |
6970 c = nodes[2]; | |
6971 d3_layout_packPlace(a, b, c); | |
6972 bound(c); | |
6973 d3_layout_packInsert(a, c); | |
6974 a._pack_prev = c; | |
6975 d3_layout_packInsert(c, b); | |
6976 b = a._pack_next; | |
6977 for (i = 3; i < n; i++) { | |
6978 d3_layout_packPlace(a, b, c = nodes[i]); | |
6979 var isect = 0, s1 = 1, s2 = 1; | |
6980 for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { | |
6981 if (d3_layout_packIntersects(j, c)) { | |
6982 isect = 1; | |
6983 break; | |
6984 } | |
6985 } | |
6986 if (isect == 1) { | |
6987 for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { | |
6988 if (d3_layout_packIntersects(k, c)) { | |
6989 break; | |
6990 } | |
6991 } | |
6992 } | |
6993 if (isect) { | |
6994 if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); | |
6995 i--; | |
6996 } else { | |
6997 d3_layout_packInsert(a, c); | |
6998 b = c; | |
6999 bound(c); | |
7000 } | |
7001 } | |
7002 } | |
7003 } | |
7004 var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; | |
7005 for (i = 0; i < n; i++) { | |
7006 c = nodes[i]; | |
7007 c.x -= cx; | |
7008 c.y -= cy; | |
7009 cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); | |
7010 } | |
7011 node.r = cr; | |
7012 nodes.forEach(d3_layout_packUnlink); | |
7013 } | |
7014 function d3_layout_packLink(node) { | |
7015 node._pack_next = node._pack_prev = node; | |
7016 } | |
7017 function d3_layout_packUnlink(node) { | |
7018 delete node._pack_next; | |
7019 delete node._pack_prev; | |
7020 } | |
7021 function d3_layout_packTransform(node, x, y, k) { | |
7022 var children = node.children; | |
7023 node.x = x += k * node.x; | |
7024 node.y = y += k * node.y; | |
7025 node.r *= k; | |
7026 if (children) { | |
7027 var i = -1, n = children.length; | |
7028 while (++i < n) d3_layout_packTransform(children[i], x, y, k); | |
7029 } | |
7030 } | |
7031 function d3_layout_packPlace(a, b, c) { | |
7032 var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; | |
7033 if (db && (dx || dy)) { | |
7034 var da = b.r + c.r, dc = dx * dx + dy * dy; | |
7035 da *= da; | |
7036 db *= db; | |
7037 var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); | |
7038 c.x = a.x + x * dx + y * dy; | |
7039 c.y = a.y + x * dy - y * dx; | |
7040 } else { | |
7041 c.x = a.x + db; | |
7042 c.y = a.y; | |
7043 } | |
7044 } | |
7045 d3.layout.tree = function() { | |
7046 var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null; | |
7047 function tree(d, i) { | |
7048 var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0); | |
7049 d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z; | |
7050 d3_layout_hierarchyVisitBefore(root1, secondWalk); | |
7051 if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else { | |
7052 var left = root0, right = root0, bottom = root0; | |
7053 d3_layout_hierarchyVisitBefore(root0, function(node) { | |
7054 if (node.x < left.x) left = node; | |
7055 if (node.x > right.x) right = node; | |
7056 if (node.depth > bottom.depth) bottom = node; | |
7057 }); | |
7058 var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1); | |
7059 d3_layout_hierarchyVisitBefore(root0, function(node) { | |
7060 node.x = (node.x + tx) * kx; | |
7061 node.y = node.depth * ky; | |
7062 }); | |
7063 } | |
7064 return nodes; | |
7065 } | |
7066 function wrapTree(root0) { | |
7067 var root1 = { | |
7068 A: null, | |
7069 children: [ root0 ] | |
7070 }, queue = [ root1 ], node1; | |
7071 while ((node1 = queue.pop()) != null) { | |
7072 for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) { | |
7073 queue.push((children[i] = child = { | |
7074 _: children[i], | |
7075 parent: node1, | |
7076 children: (child = children[i].children) && child.slice() || [], | |
7077 A: null, | |
7078 a: null, | |
7079 z: 0, | |
7080 m: 0, | |
7081 c: 0, | |
7082 s: 0, | |
7083 t: null, | |
7084 i: i | |
7085 }).a = child); | |
7086 } | |
7087 } | |
7088 return root1.children[0]; | |
7089 } | |
7090 function firstWalk(v) { | |
7091 var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null; | |
7092 if (children.length) { | |
7093 d3_layout_treeShift(v); | |
7094 var midpoint = (children[0].z + children[children.length - 1].z) / 2; | |
7095 if (w) { | |
7096 v.z = w.z + separation(v._, w._); | |
7097 v.m = v.z - midpoint; | |
7098 } else { | |
7099 v.z = midpoint; | |
7100 } | |
7101 } else if (w) { | |
7102 v.z = w.z + separation(v._, w._); | |
7103 } | |
7104 v.parent.A = apportion(v, w, v.parent.A || siblings[0]); | |
7105 } | |
7106 function secondWalk(v) { | |
7107 v._.x = v.z + v.parent.m; | |
7108 v.m += v.parent.m; | |
7109 } | |
7110 function apportion(v, w, ancestor) { | |
7111 if (w) { | |
7112 var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift; | |
7113 while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { | |
7114 vom = d3_layout_treeLeft(vom); | |
7115 vop = d3_layout_treeRight(vop); | |
7116 vop.a = v; | |
7117 shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); | |
7118 if (shift > 0) { | |
7119 d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift); | |
7120 sip += shift; | |
7121 sop += shift; | |
7122 } | |
7123 sim += vim.m; | |
7124 sip += vip.m; | |
7125 som += vom.m; | |
7126 sop += vop.m; | |
7127 } | |
7128 if (vim && !d3_layout_treeRight(vop)) { | |
7129 vop.t = vim; | |
7130 vop.m += sim - sop; | |
7131 } | |
7132 if (vip && !d3_layout_treeLeft(vom)) { | |
7133 vom.t = vip; | |
7134 vom.m += sip - som; | |
7135 ancestor = v; | |
7136 } | |
7137 } | |
7138 return ancestor; | |
7139 } | |
7140 function sizeNode(node) { | |
7141 node.x *= size[0]; | |
7142 node.y = node.depth * size[1]; | |
7143 } | |
7144 tree.separation = function(x) { | |
7145 if (!arguments.length) return separation; | |
7146 separation = x; | |
7147 return tree; | |
7148 }; | |
7149 tree.size = function(x) { | |
7150 if (!arguments.length) return nodeSize ? null : size; | |
7151 nodeSize = (size = x) == null ? sizeNode : null; | |
7152 return tree; | |
7153 }; | |
7154 tree.nodeSize = function(x) { | |
7155 if (!arguments.length) return nodeSize ? size : null; | |
7156 nodeSize = (size = x) == null ? null : sizeNode; | |
7157 return tree; | |
7158 }; | |
7159 return d3_layout_hierarchyRebind(tree, hierarchy); | |
7160 }; | |
7161 function d3_layout_treeSeparation(a, b) { | |
7162 return a.parent == b.parent ? 1 : 2; | |
7163 } | |
7164 function d3_layout_treeLeft(v) { | |
7165 var children = v.children; | |
7166 return children.length ? children[0] : v.t; | |
7167 } | |
7168 function d3_layout_treeRight(v) { | |
7169 var children = v.children, n; | |
7170 return (n = children.length) ? children[n - 1] : v.t; | |
7171 } | |
7172 function d3_layout_treeMove(wm, wp, shift) { | |
7173 var change = shift / (wp.i - wm.i); | |
7174 wp.c -= change; | |
7175 wp.s += shift; | |
7176 wm.c += change; | |
7177 wp.z += shift; | |
7178 wp.m += shift; | |
7179 } | |
7180 function d3_layout_treeShift(v) { | |
7181 var shift = 0, change = 0, children = v.children, i = children.length, w; | |
7182 while (--i >= 0) { | |
7183 w = children[i]; | |
7184 w.z += shift; | |
7185 w.m += shift; | |
7186 shift += w.s + (change += w.c); | |
7187 } | |
7188 } | |
7189 function d3_layout_treeAncestor(vim, v, ancestor) { | |
7190 return vim.a.parent === v.parent ? vim.a : ancestor; | |
7191 } | |
7192 d3.layout.cluster = function() { | |
7193 var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; | |
7194 function cluster(d, i) { | |
7195 var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; | |
7196 d3_layout_hierarchyVisitAfter(root, function(node) { | |
7197 var children = node.children; | |
7198 if (children && children.length) { | |
7199 node.x = d3_layout_clusterX(children); | |
7200 node.y = d3_layout_clusterY(children); | |
7201 } else { | |
7202 node.x = previousNode ? x += separation(node, previousNode) : 0; | |
7203 node.y = 0; | |
7204 previousNode = node; | |
7205 } | |
7206 }); | |
7207 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; | |
7208 d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) { | |
7209 node.x = (node.x - root.x) * size[0]; | |
7210 node.y = (root.y - node.y) * size[1]; | |
7211 } : function(node) { | |
7212 node.x = (node.x - x0) / (x1 - x0) * size[0]; | |
7213 node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; | |
7214 }); | |
7215 return nodes; | |
7216 } | |
7217 cluster.separation = function(x) { | |
7218 if (!arguments.length) return separation; | |
7219 separation = x; | |
7220 return cluster; | |
7221 }; | |
7222 cluster.size = function(x) { | |
7223 if (!arguments.length) return nodeSize ? null : size; | |
7224 nodeSize = (size = x) == null; | |
7225 return cluster; | |
7226 }; | |
7227 cluster.nodeSize = function(x) { | |
7228 if (!arguments.length) return nodeSize ? size : null; | |
7229 nodeSize = (size = x) != null; | |
7230 return cluster; | |
7231 }; | |
7232 return d3_layout_hierarchyRebind(cluster, hierarchy); | |
7233 }; | |
7234 function d3_layout_clusterY(children) { | |
7235 return 1 + d3.max(children, function(child) { | |
7236 return child.y; | |
7237 }); | |
7238 } | |
7239 function d3_layout_clusterX(children) { | |
7240 return children.reduce(function(x, child) { | |
7241 return x + child.x; | |
7242 }, 0) / children.length; | |
7243 } | |
7244 function d3_layout_clusterLeft(node) { | |
7245 var children = node.children; | |
7246 return children && children.length ? d3_layout_clusterLeft(children[0]) : node; | |
7247 } | |
7248 function d3_layout_clusterRight(node) { | |
7249 var children = node.children, n; | |
7250 return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; | |
7251 } | |
7252 d3.layout.treemap = function() { | |
7253 var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); | |
7254 function scale(children, k) { | |
7255 var i = -1, n = children.length, child, area; | |
7256 while (++i < n) { | |
7257 area = (child = children[i]).value * (k < 0 ? 0 : k); | |
7258 child.area = isNaN(area) || area <= 0 ? 0 : area; | |
7259 } | |
7260 } | |
7261 function squarify(node) { | |
7262 var children = node.children; | |
7263 if (children && children.length) { | |
7264 var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; | |
7265 scale(remaining, rect.dx * rect.dy / node.value); | |
7266 row.area = 0; | |
7267 while ((n = remaining.length) > 0) { | |
7268 row.push(child = remaining[n - 1]); | |
7269 row.area += child.area; | |
7270 if (mode !== "squarify" || (score = worst(row, u)) <= best) { | |
7271 remaining.pop(); | |
7272 best = score; | |
7273 } else { | |
7274 row.area -= row.pop().area; | |
7275 position(row, u, rect, false); | |
7276 u = Math.min(rect.dx, rect.dy); | |
7277 row.length = row.area = 0; | |
7278 best = Infinity; | |
7279 } | |
7280 } | |
7281 if (row.length) { | |
7282 position(row, u, rect, true); | |
7283 row.length = row.area = 0; | |
7284 } | |
7285 children.forEach(squarify); | |
7286 } | |
7287 } | |
7288 function stickify(node) { | |
7289 var children = node.children; | |
7290 if (children && children.length) { | |
7291 var rect = pad(node), remaining = children.slice(), child, row = []; | |
7292 scale(remaining, rect.dx * rect.dy / node.value); | |
7293 row.area = 0; | |
7294 while (child = remaining.pop()) { | |
7295 row.push(child); | |
7296 row.area += child.area; | |
7297 if (child.z != null) { | |
7298 position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); | |
7299 row.length = row.area = 0; | |
7300 } | |
7301 } | |
7302 children.forEach(stickify); | |
7303 } | |
7304 } | |
7305 function worst(row, u) { | |
7306 var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; | |
7307 while (++i < n) { | |
7308 if (!(r = row[i].area)) continue; | |
7309 if (r < rmin) rmin = r; | |
7310 if (r > rmax) rmax = r; | |
7311 } | |
7312 s *= s; | |
7313 u *= u; | |
7314 return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; | |
7315 } | |
7316 function position(row, u, rect, flush) { | |
7317 var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; | |
7318 if (u == rect.dx) { | |
7319 if (flush || v > rect.dy) v = rect.dy; | |
7320 while (++i < n) { | |
7321 o = row[i]; | |
7322 o.x = x; | |
7323 o.y = y; | |
7324 o.dy = v; | |
7325 x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); | |
7326 } | |
7327 o.z = true; | |
7328 o.dx += rect.x + rect.dx - x; | |
7329 rect.y += v; | |
7330 rect.dy -= v; | |
7331 } else { | |
7332 if (flush || v > rect.dx) v = rect.dx; | |
7333 while (++i < n) { | |
7334 o = row[i]; | |
7335 o.x = x; | |
7336 o.y = y; | |
7337 o.dx = v; | |
7338 y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); | |
7339 } | |
7340 o.z = false; | |
7341 o.dy += rect.y + rect.dy - y; | |
7342 rect.x += v; | |
7343 rect.dx -= v; | |
7344 } | |
7345 } | |
7346 function treemap(d) { | |
7347 var nodes = stickies || hierarchy(d), root = nodes[0]; | |
7348 root.x = root.y = 0; | |
7349 if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; | |
7350 if (stickies) hierarchy.revalue(root); | |
7351 scale([ root ], root.dx * root.dy / root.value); | |
7352 (stickies ? stickify : squarify)(root); | |
7353 if (sticky) stickies = nodes; | |
7354 return nodes; | |
7355 } | |
7356 treemap.size = function(x) { | |
7357 if (!arguments.length) return size; | |
7358 size = x; | |
7359 return treemap; | |
7360 }; | |
7361 treemap.padding = function(x) { | |
7362 if (!arguments.length) return padding; | |
7363 function padFunction(node) { | |
7364 var p = x.call(treemap, node, node.depth); | |
7365 return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); | |
7366 } | |
7367 function padConstant(node) { | |
7368 return d3_layout_treemapPad(node, x); | |
7369 } | |
7370 var type; | |
7371 pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], | |
7372 padConstant) : padConstant; | |
7373 return treemap; | |
7374 }; | |
7375 treemap.round = function(x) { | |
7376 if (!arguments.length) return round != Number; | |
7377 round = x ? Math.round : Number; | |
7378 return treemap; | |
7379 }; | |
7380 treemap.sticky = function(x) { | |
7381 if (!arguments.length) return sticky; | |
7382 sticky = x; | |
7383 stickies = null; | |
7384 return treemap; | |
7385 }; | |
7386 treemap.ratio = function(x) { | |
7387 if (!arguments.length) return ratio; | |
7388 ratio = x; | |
7389 return treemap; | |
7390 }; | |
7391 treemap.mode = function(x) { | |
7392 if (!arguments.length) return mode; | |
7393 mode = x + ""; | |
7394 return treemap; | |
7395 }; | |
7396 return d3_layout_hierarchyRebind(treemap, hierarchy); | |
7397 }; | |
7398 function d3_layout_treemapPadNull(node) { | |
7399 return { | |
7400 x: node.x, | |
7401 y: node.y, | |
7402 dx: node.dx, | |
7403 dy: node.dy | |
7404 }; | |
7405 } | |
7406 function d3_layout_treemapPad(node, padding) { | |
7407 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]; | |
7408 if (dx < 0) { | |
7409 x += dx / 2; | |
7410 dx = 0; | |
7411 } | |
7412 if (dy < 0) { | |
7413 y += dy / 2; | |
7414 dy = 0; | |
7415 } | |
7416 return { | |
7417 x: x, | |
7418 y: y, | |
7419 dx: dx, | |
7420 dy: dy | |
7421 }; | |
7422 } | |
7423 d3.random = { | |
7424 normal: function(µ, σ) { | |
7425 var n = arguments.length; | |
7426 if (n < 2) σ = 1; | |
7427 if (n < 1) µ = 0; | |
7428 return function() { | |
7429 var x, y, r; | |
7430 do { | |
7431 x = Math.random() * 2 - 1; | |
7432 y = Math.random() * 2 - 1; | |
7433 r = x * x + y * y; | |
7434 } while (!r || r > 1); | |
7435 return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); | |
7436 }; | |
7437 }, | |
7438 logNormal: function() { | |
7439 var random = d3.random.normal.apply(d3, arguments); | |
7440 return function() { | |
7441 return Math.exp(random()); | |
7442 }; | |
7443 }, | |
7444 bates: function(m) { | |
7445 var random = d3.random.irwinHall(m); | |
7446 return function() { | |
7447 return random() / m; | |
7448 }; | |
7449 }, | |
7450 irwinHall: function(m) { | |
7451 return function() { | |
7452 for (var s = 0, j = 0; j < m; j++) s += Math.random(); | |
7453 return s; | |
7454 }; | |
7455 } | |
7456 }; | |
7457 d3.scale = {}; | |
7458 function d3_scaleExtent(domain) { | |
7459 var start = domain[0], stop = domain[domain.length - 1]; | |
7460 return start < stop ? [ start, stop ] : [ stop, start ]; | |
7461 } | |
7462 function d3_scaleRange(scale) { | |
7463 return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); | |
7464 } | |
7465 function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { | |
7466 var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); | |
7467 return function(x) { | |
7468 return i(u(x)); | |
7469 }; | |
7470 } | |
7471 function d3_scale_nice(domain, nice) { | |
7472 var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; | |
7473 if (x1 < x0) { | |
7474 dx = i0, i0 = i1, i1 = dx; | |
7475 dx = x0, x0 = x1, x1 = dx; | |
7476 } | |
7477 domain[i0] = nice.floor(x0); | |
7478 domain[i1] = nice.ceil(x1); | |
7479 return domain; | |
7480 } | |
7481 function d3_scale_niceStep(step) { | |
7482 return step ? { | |
7483 floor: function(x) { | |
7484 return Math.floor(x / step) * step; | |
7485 }, | |
7486 ceil: function(x) { | |
7487 return Math.ceil(x / step) * step; | |
7488 } | |
7489 } : d3_scale_niceIdentity; | |
7490 } | |
7491 var d3_scale_niceIdentity = { | |
7492 floor: d3_identity, | |
7493 ceil: d3_identity | |
7494 }; | |
7495 function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { | |
7496 var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; | |
7497 if (domain[k] < domain[0]) { | |
7498 domain = domain.slice().reverse(); | |
7499 range = range.slice().reverse(); | |
7500 } | |
7501 while (++j <= k) { | |
7502 u.push(uninterpolate(domain[j - 1], domain[j])); | |
7503 i.push(interpolate(range[j - 1], range[j])); | |
7504 } | |
7505 return function(x) { | |
7506 var j = d3.bisect(domain, x, 1, k) - 1; | |
7507 return i[j](u[j](x)); | |
7508 }; | |
7509 } | |
7510 d3.scale.linear = function() { | |
7511 return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false); | |
7512 }; | |
7513 function d3_scale_linear(domain, range, interpolate, clamp) { | |
7514 var output, input; | |
7515 function rescale() { | |
7516 var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; | |
7517 output = linear(domain, range, uninterpolate, interpolate); | |
7518 input = linear(range, domain, uninterpolate, d3_interpolate); | |
7519 return scale; | |
7520 } | |
7521 function scale(x) { | |
7522 return output(x); | |
7523 } | |
7524 scale.invert = function(y) { | |
7525 return input(y); | |
7526 }; | |
7527 scale.domain = function(x) { | |
7528 if (!arguments.length) return domain; | |
7529 domain = x.map(Number); | |
7530 return rescale(); | |
7531 }; | |
7532 scale.range = function(x) { | |
7533 if (!arguments.length) return range; | |
7534 range = x; | |
7535 return rescale(); | |
7536 }; | |
7537 scale.rangeRound = function(x) { | |
7538 return scale.range(x).interpolate(d3_interpolateRound); | |
7539 }; | |
7540 scale.clamp = function(x) { | |
7541 if (!arguments.length) return clamp; | |
7542 clamp = x; | |
7543 return rescale(); | |
7544 }; | |
7545 scale.interpolate = function(x) { | |
7546 if (!arguments.length) return interpolate; | |
7547 interpolate = x; | |
7548 return rescale(); | |
7549 }; | |
7550 scale.ticks = function(m) { | |
7551 return d3_scale_linearTicks(domain, m); | |
7552 }; | |
7553 scale.tickFormat = function(m, format) { | |
7554 return d3_scale_linearTickFormat(domain, m, format); | |
7555 }; | |
7556 scale.nice = function(m) { | |
7557 d3_scale_linearNice(domain, m); | |
7558 return rescale(); | |
7559 }; | |
7560 scale.copy = function() { | |
7561 return d3_scale_linear(domain, range, interpolate, clamp); | |
7562 }; | |
7563 return rescale(); | |
7564 } | |
7565 function d3_scale_linearRebind(scale, linear) { | |
7566 return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); | |
7567 } | |
7568 function d3_scale_linearNice(domain, m) { | |
7569 d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); | |
7570 d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); | |
7571 return domain; | |
7572 } | |
7573 function d3_scale_linearTickRange(domain, m) { | |
7574 if (m == null) m = 10; | |
7575 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; | |
7576 if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; | |
7577 extent[0] = Math.ceil(extent[0] / step) * step; | |
7578 extent[1] = Math.floor(extent[1] / step) * step + step * .5; | |
7579 extent[2] = step; | |
7580 return extent; | |
7581 } | |
7582 function d3_scale_linearTicks(domain, m) { | |
7583 return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); | |
7584 } | |
7585 function d3_scale_linearTickFormat(domain, m, format) { | |
7586 var range = d3_scale_linearTickRange(domain, m); | |
7587 if (format) { | |
7588 var match = d3_format_re.exec(format); | |
7589 match.shift(); | |
7590 if (match[8] === "s") { | |
7591 var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); | |
7592 if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); | |
7593 match[8] = "f"; | |
7594 format = d3.format(match.join("")); | |
7595 return function(d) { | |
7596 return format(prefix.scale(d)) + prefix.symbol; | |
7597 }; | |
7598 } | |
7599 if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); | |
7600 format = match.join(""); | |
7601 } else { | |
7602 format = ",." + d3_scale_linearPrecision(range[2]) + "f"; | |
7603 } | |
7604 return d3.format(format); | |
7605 } | |
7606 var d3_scale_linearFormatSignificant = { | |
7607 s: 1, | |
7608 g: 1, | |
7609 p: 1, | |
7610 r: 1, | |
7611 e: 1 | |
7612 }; | |
7613 function d3_scale_linearPrecision(value) { | |
7614 return -Math.floor(Math.log(value) / Math.LN10 + .01); | |
7615 } | |
7616 function d3_scale_linearFormatPrecision(type, range) { | |
7617 var p = d3_scale_linearPrecision(range[2]); | |
7618 return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; | |
7619 } | |
7620 d3.scale.log = function() { | |
7621 return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); | |
7622 }; | |
7623 function d3_scale_log(linear, base, positive, domain) { | |
7624 function log(x) { | |
7625 return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); | |
7626 } | |
7627 function pow(x) { | |
7628 return positive ? Math.pow(base, x) : -Math.pow(base, -x); | |
7629 } | |
7630 function scale(x) { | |
7631 return linear(log(x)); | |
7632 } | |
7633 scale.invert = function(x) { | |
7634 return pow(linear.invert(x)); | |
7635 }; | |
7636 scale.domain = function(x) { | |
7637 if (!arguments.length) return domain; | |
7638 positive = x[0] >= 0; | |
7639 linear.domain((domain = x.map(Number)).map(log)); | |
7640 return scale; | |
7641 }; | |
7642 scale.base = function(_) { | |
7643 if (!arguments.length) return base; | |
7644 base = +_; | |
7645 linear.domain(domain.map(log)); | |
7646 return scale; | |
7647 }; | |
7648 scale.nice = function() { | |
7649 var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); | |
7650 linear.domain(niced); | |
7651 domain = niced.map(pow); | |
7652 return scale; | |
7653 }; | |
7654 scale.ticks = function() { | |
7655 var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; | |
7656 if (isFinite(j - i)) { | |
7657 if (positive) { | |
7658 for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); | |
7659 ticks.push(pow(i)); | |
7660 } else { | |
7661 ticks.push(pow(i)); | |
7662 for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); | |
7663 } | |
7664 for (i = 0; ticks[i] < u; i++) {} | |
7665 for (j = ticks.length; ticks[j - 1] > v; j--) {} | |
7666 ticks = ticks.slice(i, j); | |
7667 } | |
7668 return ticks; | |
7669 }; | |
7670 scale.tickFormat = function(n, format) { | |
7671 if (!arguments.length) return d3_scale_logFormat; | |
7672 if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); | |
7673 var k = Math.max(1, base * n / scale.ticks().length); | |
7674 return function(d) { | |
7675 var i = d / pow(Math.round(log(d))); | |
7676 if (i * base < base - .5) i *= base; | |
7677 return i <= k ? format(d) : ""; | |
7678 }; | |
7679 }; | |
7680 scale.copy = function() { | |
7681 return d3_scale_log(linear.copy(), base, positive, domain); | |
7682 }; | |
7683 return d3_scale_linearRebind(scale, linear); | |
7684 } | |
7685 var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { | |
7686 floor: function(x) { | |
7687 return -Math.ceil(-x); | |
7688 }, | |
7689 ceil: function(x) { | |
7690 return -Math.floor(-x); | |
7691 } | |
7692 }; | |
7693 d3.scale.pow = function() { | |
7694 return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); | |
7695 }; | |
7696 function d3_scale_pow(linear, exponent, domain) { | |
7697 var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); | |
7698 function scale(x) { | |
7699 return linear(powp(x)); | |
7700 } | |
7701 scale.invert = function(x) { | |
7702 return powb(linear.invert(x)); | |
7703 }; | |
7704 scale.domain = function(x) { | |
7705 if (!arguments.length) return domain; | |
7706 linear.domain((domain = x.map(Number)).map(powp)); | |
7707 return scale; | |
7708 }; | |
7709 scale.ticks = function(m) { | |
7710 return d3_scale_linearTicks(domain, m); | |
7711 }; | |
7712 scale.tickFormat = function(m, format) { | |
7713 return d3_scale_linearTickFormat(domain, m, format); | |
7714 }; | |
7715 scale.nice = function(m) { | |
7716 return scale.domain(d3_scale_linearNice(domain, m)); | |
7717 }; | |
7718 scale.exponent = function(x) { | |
7719 if (!arguments.length) return exponent; | |
7720 powp = d3_scale_powPow(exponent = x); | |
7721 powb = d3_scale_powPow(1 / exponent); | |
7722 linear.domain(domain.map(powp)); | |
7723 return scale; | |
7724 }; | |
7725 scale.copy = function() { | |
7726 return d3_scale_pow(linear.copy(), exponent, domain); | |
7727 }; | |
7728 return d3_scale_linearRebind(scale, linear); | |
7729 } | |
7730 function d3_scale_powPow(e) { | |
7731 return function(x) { | |
7732 return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); | |
7733 }; | |
7734 } | |
7735 d3.scale.sqrt = function() { | |
7736 return d3.scale.pow().exponent(.5); | |
7737 }; | |
7738 d3.scale.ordinal = function() { | |
7739 return d3_scale_ordinal([], { | |
7740 t: "range", | |
7741 a: [ [] ] | |
7742 }); | |
7743 }; | |
7744 function d3_scale_ordinal(domain, ranger) { | |
7745 var index, range, rangeBand; | |
7746 function scale(x) { | |
7747 return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length]; | |
7748 } | |
7749 function steps(start, step) { | |
7750 return d3.range(domain.length).map(function(i) { | |
7751 return start + step * i; | |
7752 }); | |
7753 } | |
7754 scale.domain = function(x) { | |
7755 if (!arguments.length) return domain; | |
7756 domain = []; | |
7757 index = new d3_Map(); | |
7758 var i = -1, n = x.length, xi; | |
7759 while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); | |
7760 return scale[ranger.t].apply(scale, ranger.a); | |
7761 }; | |
7762 scale.range = function(x) { | |
7763 if (!arguments.length) return range; | |
7764 range = x; | |
7765 rangeBand = 0; | |
7766 ranger = { | |
7767 t: "range", | |
7768 a: arguments | |
7769 }; | |
7770 return scale; | |
7771 }; | |
7772 scale.rangePoints = function(x, padding) { | |
7773 if (arguments.length < 2) padding = 0; | |
7774 var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, | |
7775 0) : (stop - start) / (domain.length - 1 + padding); | |
7776 range = steps(start + step * padding / 2, step); | |
7777 rangeBand = 0; | |
7778 ranger = { | |
7779 t: "rangePoints", | |
7780 a: arguments | |
7781 }; | |
7782 return scale; | |
7783 }; | |
7784 scale.rangeRoundPoints = function(x, padding) { | |
7785 if (arguments.length < 2) padding = 0; | |
7786 var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), | |
7787 0) : (stop - start) / (domain.length - 1 + padding) | 0; | |
7788 range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step); | |
7789 rangeBand = 0; | |
7790 ranger = { | |
7791 t: "rangeRoundPoints", | |
7792 a: arguments | |
7793 }; | |
7794 return scale; | |
7795 }; | |
7796 scale.rangeBands = function(x, padding, outerPadding) { | |
7797 if (arguments.length < 2) padding = 0; | |
7798 if (arguments.length < 3) outerPadding = padding; | |
7799 var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); | |
7800 range = steps(start + step * outerPadding, step); | |
7801 if (reverse) range.reverse(); | |
7802 rangeBand = step * (1 - padding); | |
7803 ranger = { | |
7804 t: "rangeBands", | |
7805 a: arguments | |
7806 }; | |
7807 return scale; | |
7808 }; | |
7809 scale.rangeRoundBands = function(x, padding, outerPadding) { | |
7810 if (arguments.length < 2) padding = 0; | |
7811 if (arguments.length < 3) outerPadding = padding; | |
7812 var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)); | |
7813 range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step); | |
7814 if (reverse) range.reverse(); | |
7815 rangeBand = Math.round(step * (1 - padding)); | |
7816 ranger = { | |
7817 t: "rangeRoundBands", | |
7818 a: arguments | |
7819 }; | |
7820 return scale; | |
7821 }; | |
7822 scale.rangeBand = function() { | |
7823 return rangeBand; | |
7824 }; | |
7825 scale.rangeExtent = function() { | |
7826 return d3_scaleExtent(ranger.a[0]); | |
7827 }; | |
7828 scale.copy = function() { | |
7829 return d3_scale_ordinal(domain, ranger); | |
7830 }; | |
7831 return scale.domain(domain); | |
7832 } | |
7833 d3.scale.category10 = function() { | |
7834 return d3.scale.ordinal().range(d3_category10); | |
7835 }; | |
7836 d3.scale.category20 = function() { | |
7837 return d3.scale.ordinal().range(d3_category20); | |
7838 }; | |
7839 d3.scale.category20b = function() { | |
7840 return d3.scale.ordinal().range(d3_category20b); | |
7841 }; | |
7842 d3.scale.category20c = function() { | |
7843 return d3.scale.ordinal().range(d3_category20c); | |
7844 }; | |
7845 var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); | |
7846 var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); | |
7847 var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); | |
7848 var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); | |
7849 d3.scale.quantile = function() { | |
7850 return d3_scale_quantile([], []); | |
7851 }; | |
7852 function d3_scale_quantile(domain, range) { | |
7853 var thresholds; | |
7854 function rescale() { | |
7855 var k = 0, q = range.length; | |
7856 thresholds = []; | |
7857 while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); | |
7858 return scale; | |
7859 } | |
7860 function scale(x) { | |
7861 if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)]; | |
7862 } | |
7863 scale.domain = function(x) { | |
7864 if (!arguments.length) return domain; | |
7865 domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending); | |
7866 return rescale(); | |
7867 }; | |
7868 scale.range = function(x) { | |
7869 if (!arguments.length) return range; | |
7870 range = x; | |
7871 return rescale(); | |
7872 }; | |
7873 scale.quantiles = function() { | |
7874 return thresholds; | |
7875 }; | |
7876 scale.invertExtent = function(y) { | |
7877 y = range.indexOf(y); | |
7878 return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; | |
7879 }; | |
7880 scale.copy = function() { | |
7881 return d3_scale_quantile(domain, range); | |
7882 }; | |
7883 return rescale(); | |
7884 } | |
7885 d3.scale.quantize = function() { | |
7886 return d3_scale_quantize(0, 1, [ 0, 1 ]); | |
7887 }; | |
7888 function d3_scale_quantize(x0, x1, range) { | |
7889 var kx, i; | |
7890 function scale(x) { | |
7891 return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; | |
7892 } | |
7893 function rescale() { | |
7894 kx = range.length / (x1 - x0); | |
7895 i = range.length - 1; | |
7896 return scale; | |
7897 } | |
7898 scale.domain = function(x) { | |
7899 if (!arguments.length) return [ x0, x1 ]; | |
7900 x0 = +x[0]; | |
7901 x1 = +x[x.length - 1]; | |
7902 return rescale(); | |
7903 }; | |
7904 scale.range = function(x) { | |
7905 if (!arguments.length) return range; | |
7906 range = x; | |
7907 return rescale(); | |
7908 }; | |
7909 scale.invertExtent = function(y) { | |
7910 y = range.indexOf(y); | |
7911 y = y < 0 ? NaN : y / kx + x0; | |
7912 return [ y, y + 1 / kx ]; | |
7913 }; | |
7914 scale.copy = function() { | |
7915 return d3_scale_quantize(x0, x1, range); | |
7916 }; | |
7917 return rescale(); | |
7918 } | |
7919 d3.scale.threshold = function() { | |
7920 return d3_scale_threshold([ .5 ], [ 0, 1 ]); | |
7921 }; | |
7922 function d3_scale_threshold(domain, range) { | |
7923 function scale(x) { | |
7924 if (x <= x) return range[d3.bisect(domain, x)]; | |
7925 } | |
7926 scale.domain = function(_) { | |
7927 if (!arguments.length) return domain; | |
7928 domain = _; | |
7929 return scale; | |
7930 }; | |
7931 scale.range = function(_) { | |
7932 if (!arguments.length) return range; | |
7933 range = _; | |
7934 return scale; | |
7935 }; | |
7936 scale.invertExtent = function(y) { | |
7937 y = range.indexOf(y); | |
7938 return [ domain[y - 1], domain[y] ]; | |
7939 }; | |
7940 scale.copy = function() { | |
7941 return d3_scale_threshold(domain, range); | |
7942 }; | |
7943 return scale; | |
7944 } | |
7945 d3.scale.identity = function() { | |
7946 return d3_scale_identity([ 0, 1 ]); | |
7947 }; | |
7948 function d3_scale_identity(domain) { | |
7949 function identity(x) { | |
7950 return +x; | |
7951 } | |
7952 identity.invert = identity; | |
7953 identity.domain = identity.range = function(x) { | |
7954 if (!arguments.length) return domain; | |
7955 domain = x.map(identity); | |
7956 return identity; | |
7957 }; | |
7958 identity.ticks = function(m) { | |
7959 return d3_scale_linearTicks(domain, m); | |
7960 }; | |
7961 identity.tickFormat = function(m, format) { | |
7962 return d3_scale_linearTickFormat(domain, m, format); | |
7963 }; | |
7964 identity.copy = function() { | |
7965 return d3_scale_identity(domain); | |
7966 }; | |
7967 return identity; | |
7968 } | |
7969 d3.svg = {}; | |
7970 function d3_zero() { | |
7971 return 0; | |
7972 } | |
7973 d3.svg.arc = function() { | |
7974 var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle; | |
7975 function arc() { | |
7976 var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1; | |
7977 if (r1 < r0) rc = r1, r1 = r0, r0 = rc; | |
7978 if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z"; | |
7979 var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = []; | |
7980 if (ap = (+padAngle.apply(this, arguments) || 0) / 2) { | |
7981 rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments); | |
7982 if (!cw) p1 *= -1; | |
7983 if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap)); | |
7984 if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap)); | |
7985 } | |
7986 if (r1) { | |
7987 x0 = r1 * Math.cos(a0 + p1); | |
7988 y0 = r1 * Math.sin(a0 + p1); | |
7989 x1 = r1 * Math.cos(a1 - p1); | |
7990 y1 = r1 * Math.sin(a1 - p1); | |
7991 var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1; | |
7992 if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) { | |
7993 var h1 = (a0 + a1) / 2; | |
7994 x0 = r1 * Math.cos(h1); | |
7995 y0 = r1 * Math.sin(h1); | |
7996 x1 = y1 = null; | |
7997 } | |
7998 } else { | |
7999 x0 = y0 = 0; | |
8000 } | |
8001 if (r0) { | |
8002 x2 = r0 * Math.cos(a1 - p0); | |
8003 y2 = r0 * Math.sin(a1 - p0); | |
8004 x3 = r0 * Math.cos(a0 + p0); | |
8005 y3 = r0 * Math.sin(a0 + p0); | |
8006 var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1; | |
8007 if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) { | |
8008 var h0 = (a0 + a1) / 2; | |
8009 x2 = r0 * Math.cos(h0); | |
8010 y2 = r0 * Math.sin(h0); | |
8011 x3 = y3 = null; | |
8012 } | |
8013 } else { | |
8014 x2 = y2 = 0; | |
8015 } | |
8016 if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { | |
8017 cr = r0 < r1 ^ cw ? 0 : 1; | |
8018 var rc1 = rc, rc0 = rc; | |
8019 if (da < π) { | |
8020 var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); | |
8021 rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); | |
8022 rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); | |
8023 } | |
8024 if (x1 != null) { | |
8025 var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); | |
8026 if (rc === rc1) { | |
8027 path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); | |
8028 } else { | |
8029 path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]); | |
8030 } | |
8031 } else { | |
8032 path.push("M", x0, ",", y0); | |
8033 } | |
8034 if (x3 != null) { | |
8035 var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); | |
8036 if (rc === rc0) { | |
8037 path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); | |
8038 } else { | |
8039 path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); | |
8040 } | |
8041 } else { | |
8042 path.push("L", x2, ",", y2); | |
8043 } | |
8044 } else { | |
8045 path.push("M", x0, ",", y0); | |
8046 if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1); | |
8047 path.push("L", x2, ",", y2); | |
8048 if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3); | |
8049 } | |
8050 path.push("Z"); | |
8051 return path.join(""); | |
8052 } | |
8053 function circleSegment(r1, cw) { | |
8054 return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1; | |
8055 } | |
8056 arc.innerRadius = function(v) { | |
8057 if (!arguments.length) return innerRadius; | |
8058 innerRadius = d3_functor(v); | |
8059 return arc; | |
8060 }; | |
8061 arc.outerRadius = function(v) { | |
8062 if (!arguments.length) return outerRadius; | |
8063 outerRadius = d3_functor(v); | |
8064 return arc; | |
8065 }; | |
8066 arc.cornerRadius = function(v) { | |
8067 if (!arguments.length) return cornerRadius; | |
8068 cornerRadius = d3_functor(v); | |
8069 return arc; | |
8070 }; | |
8071 arc.padRadius = function(v) { | |
8072 if (!arguments.length) return padRadius; | |
8073 padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v); | |
8074 return arc; | |
8075 }; | |
8076 arc.startAngle = function(v) { | |
8077 if (!arguments.length) return startAngle; | |
8078 startAngle = d3_functor(v); | |
8079 return arc; | |
8080 }; | |
8081 arc.endAngle = function(v) { | |
8082 if (!arguments.length) return endAngle; | |
8083 endAngle = d3_functor(v); | |
8084 return arc; | |
8085 }; | |
8086 arc.padAngle = function(v) { | |
8087 if (!arguments.length) return padAngle; | |
8088 padAngle = d3_functor(v); | |
8089 return arc; | |
8090 }; | |
8091 arc.centroid = function() { | |
8092 var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ; | |
8093 return [ Math.cos(a) * r, Math.sin(a) * r ]; | |
8094 }; | |
8095 return arc; | |
8096 }; | |
8097 var d3_svg_arcAuto = "auto"; | |
8098 function d3_svg_arcInnerRadius(d) { | |
8099 return d.innerRadius; | |
8100 } | |
8101 function d3_svg_arcOuterRadius(d) { | |
8102 return d.outerRadius; | |
8103 } | |
8104 function d3_svg_arcStartAngle(d) { | |
8105 return d.startAngle; | |
8106 } | |
8107 function d3_svg_arcEndAngle(d) { | |
8108 return d.endAngle; | |
8109 } | |
8110 function d3_svg_arcPadAngle(d) { | |
8111 return d && d.padAngle; | |
8112 } | |
8113 function d3_svg_arcSweep(x0, y0, x1, y1) { | |
8114 return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; | |
8115 } | |
8116 function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { | |
8117 var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; | |
8118 if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; | |
8119 return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; | |
8120 } | |
8121 function d3_svg_line(projection) { | |
8122 var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; | |
8123 function line(data) { | |
8124 var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); | |
8125 function segment() { | |
8126 segments.push("M", interpolate(projection(points), tension)); | |
8127 } | |
8128 while (++i < n) { | |
8129 if (defined.call(this, d = data[i], i)) { | |
8130 points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); | |
8131 } else if (points.length) { | |
8132 segment(); | |
8133 points = []; | |
8134 } | |
8135 } | |
8136 if (points.length) segment(); | |
8137 return segments.length ? segments.join("") : null; | |
8138 } | |
8139 line.x = function(_) { | |
8140 if (!arguments.length) return x; | |
8141 x = _; | |
8142 return line; | |
8143 }; | |
8144 line.y = function(_) { | |
8145 if (!arguments.length) return y; | |
8146 y = _; | |
8147 return line; | |
8148 }; | |
8149 line.defined = function(_) { | |
8150 if (!arguments.length) return defined; | |
8151 defined = _; | |
8152 return line; | |
8153 }; | |
8154 line.interpolate = function(_) { | |
8155 if (!arguments.length) return interpolateKey; | |
8156 if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; | |
8157 return line; | |
8158 }; | |
8159 line.tension = function(_) { | |
8160 if (!arguments.length) return tension; | |
8161 tension = _; | |
8162 return line; | |
8163 }; | |
8164 return line; | |
8165 } | |
8166 d3.svg.line = function() { | |
8167 return d3_svg_line(d3_identity); | |
8168 }; | |
8169 var d3_svg_lineInterpolators = d3.map({ | |
8170 linear: d3_svg_lineLinear, | |
8171 "linear-closed": d3_svg_lineLinearClosed, | |
8172 step: d3_svg_lineStep, | |
8173 "step-before": d3_svg_lineStepBefore, | |
8174 "step-after": d3_svg_lineStepAfter, | |
8175 basis: d3_svg_lineBasis, | |
8176 "basis-open": d3_svg_lineBasisOpen, | |
8177 "basis-closed": d3_svg_lineBasisClosed, | |
8178 bundle: d3_svg_lineBundle, | |
8179 cardinal: d3_svg_lineCardinal, | |
8180 "cardinal-open": d3_svg_lineCardinalOpen, | |
8181 "cardinal-closed": d3_svg_lineCardinalClosed, | |
8182 monotone: d3_svg_lineMonotone | |
8183 }); | |
8184 d3_svg_lineInterpolators.forEach(function(key, value) { | |
8185 value.key = key; | |
8186 value.closed = /-closed$/.test(key); | |
8187 }); | |
8188 function d3_svg_lineLinear(points) { | |
8189 return points.length > 1 ? points.join("L") : points + "Z"; | |
8190 } | |
8191 function d3_svg_lineLinearClosed(points) { | |
8192 return points.join("L") + "Z"; | |
8193 } | |
8194 function d3_svg_lineStep(points) { | |
8195 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; | |
8196 while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); | |
8197 if (n > 1) path.push("H", p[0]); | |
8198 return path.join(""); | |
8199 } | |
8200 function d3_svg_lineStepBefore(points) { | |
8201 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; | |
8202 while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); | |
8203 return path.join(""); | |
8204 } | |
8205 function d3_svg_lineStepAfter(points) { | |
8206 var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; | |
8207 while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); | |
8208 return path.join(""); | |
8209 } | |
8210 function d3_svg_lineCardinalOpen(points, tension) { | |
8211 return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension)); | |
8212 } | |
8213 function d3_svg_lineCardinalClosed(points, tension) { | |
8214 return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), | |
8215 points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); | |
8216 } | |
8217 function d3_svg_lineCardinal(points, tension) { | |
8218 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); | |
8219 } | |
8220 function d3_svg_lineHermite(points, tangents) { | |
8221 if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { | |
8222 return d3_svg_lineLinear(points); | |
8223 } | |
8224 var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; | |
8225 if (quad) { | |
8226 path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; | |
8227 p0 = points[1]; | |
8228 pi = 2; | |
8229 } | |
8230 if (tangents.length > 1) { | |
8231 t = tangents[1]; | |
8232 p = points[pi]; | |
8233 pi++; | |
8234 path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; | |
8235 for (var i = 2; i < tangents.length; i++, pi++) { | |
8236 p = points[pi]; | |
8237 t = tangents[i]; | |
8238 path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; | |
8239 } | |
8240 } | |
8241 if (quad) { | |
8242 var lp = points[pi]; | |
8243 path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; | |
8244 } | |
8245 return path; | |
8246 } | |
8247 function d3_svg_lineCardinalTangents(points, tension) { | |
8248 var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; | |
8249 while (++i < n) { | |
8250 p0 = p1; | |
8251 p1 = p2; | |
8252 p2 = points[i]; | |
8253 tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); | |
8254 } | |
8255 return tangents; | |
8256 } | |
8257 function d3_svg_lineBasis(points) { | |
8258 if (points.length < 3) return d3_svg_lineLinear(points); | |
8259 var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; | |
8260 points.push(points[n - 1]); | |
8261 while (++i <= n) { | |
8262 pi = points[i]; | |
8263 px.shift(); | |
8264 px.push(pi[0]); | |
8265 py.shift(); | |
8266 py.push(pi[1]); | |
8267 d3_svg_lineBasisBezier(path, px, py); | |
8268 } | |
8269 points.pop(); | |
8270 path.push("L", pi); | |
8271 return path.join(""); | |
8272 } | |
8273 function d3_svg_lineBasisOpen(points) { | |
8274 if (points.length < 4) return d3_svg_lineLinear(points); | |
8275 var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; | |
8276 while (++i < 3) { | |
8277 pi = points[i]; | |
8278 px.push(pi[0]); | |
8279 py.push(pi[1]); | |
8280 } | |
8281 path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); | |
8282 --i; | |
8283 while (++i < n) { | |
8284 pi = points[i]; | |
8285 px.shift(); | |
8286 px.push(pi[0]); | |
8287 py.shift(); | |
8288 py.push(pi[1]); | |
8289 d3_svg_lineBasisBezier(path, px, py); | |
8290 } | |
8291 return path.join(""); | |
8292 } | |
8293 function d3_svg_lineBasisClosed(points) { | |
8294 var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; | |
8295 while (++i < 4) { | |
8296 pi = points[i % n]; | |
8297 px.push(pi[0]); | |
8298 py.push(pi[1]); | |
8299 } | |
8300 path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; | |
8301 --i; | |
8302 while (++i < m) { | |
8303 pi = points[i % n]; | |
8304 px.shift(); | |
8305 px.push(pi[0]); | |
8306 py.shift(); | |
8307 py.push(pi[1]); | |
8308 d3_svg_lineBasisBezier(path, px, py); | |
8309 } | |
8310 return path.join(""); | |
8311 } | |
8312 function d3_svg_lineBundle(points, tension) { | |
8313 var n = points.length - 1; | |
8314 if (n) { | |
8315 var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; | |
8316 while (++i <= n) { | |
8317 p = points[i]; | |
8318 t = i / n; | |
8319 p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); | |
8320 p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); | |
8321 } | |
8322 } | |
8323 return d3_svg_lineBasis(points); | |
8324 } | |
8325 function d3_svg_lineDot4(a, b) { | |
8326 return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; | |
8327 } | |
8328 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 ]; | |
8329 function d3_svg_lineBasisBezier(path, x, y) { | |
8330 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)); | |
8331 } | |
8332 function d3_svg_lineSlope(p0, p1) { | |
8333 return (p1[1] - p0[1]) / (p1[0] - p0[0]); | |
8334 } | |
8335 function d3_svg_lineFiniteDifferences(points) { | |
8336 var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); | |
8337 while (++i < j) { | |
8338 m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; | |
8339 } | |
8340 m[i] = d; | |
8341 return m; | |
8342 } | |
8343 function d3_svg_lineMonotoneTangents(points) { | |
8344 var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; | |
8345 while (++i < j) { | |
8346 d = d3_svg_lineSlope(points[i], points[i + 1]); | |
8347 if (abs(d) < ε) { | |
8348 m[i] = m[i + 1] = 0; | |
8349 } else { | |
8350 a = m[i] / d; | |
8351 b = m[i + 1] / d; | |
8352 s = a * a + b * b; | |
8353 if (s > 9) { | |
8354 s = d * 3 / Math.sqrt(s); | |
8355 m[i] = s * a; | |
8356 m[i + 1] = s * b; | |
8357 } | |
8358 } | |
8359 } | |
8360 i = -1; | |
8361 while (++i <= j) { | |
8362 s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); | |
8363 tangents.push([ s || 0, m[i] * s || 0 ]); | |
8364 } | |
8365 return tangents; | |
8366 } | |
8367 function d3_svg_lineMonotone(points) { | |
8368 return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); | |
8369 } | |
8370 d3.svg.line.radial = function() { | |
8371 var line = d3_svg_line(d3_svg_lineRadial); | |
8372 line.radius = line.x, delete line.x; | |
8373 line.angle = line.y, delete line.y; | |
8374 return line; | |
8375 }; | |
8376 function d3_svg_lineRadial(points) { | |
8377 var point, i = -1, n = points.length, r, a; | |
8378 while (++i < n) { | |
8379 point = points[i]; | |
8380 r = point[0]; | |
8381 a = point[1] - halfπ; | |
8382 point[0] = r * Math.cos(a); | |
8383 point[1] = r * Math.sin(a); | |
8384 } | |
8385 return points; | |
8386 } | |
8387 function d3_svg_area(projection) { | |
8388 var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; | |
8389 function area(data) { | |
8390 var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { | |
8391 return x; | |
8392 } : d3_functor(x1), fy1 = y0 === y1 ? function() { | |
8393 return y; | |
8394 } : d3_functor(y1), x, y; | |
8395 function segment() { | |
8396 segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); | |
8397 } | |
8398 while (++i < n) { | |
8399 if (defined.call(this, d = data[i], i)) { | |
8400 points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); | |
8401 points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); | |
8402 } else if (points0.length) { | |
8403 segment(); | |
8404 points0 = []; | |
8405 points1 = []; | |
8406 } | |
8407 } | |
8408 if (points0.length) segment(); | |
8409 return segments.length ? segments.join("") : null; | |
8410 } | |
8411 area.x = function(_) { | |
8412 if (!arguments.length) return x1; | |
8413 x0 = x1 = _; | |
8414 return area; | |
8415 }; | |
8416 area.x0 = function(_) { | |
8417 if (!arguments.length) return x0; | |
8418 x0 = _; | |
8419 return area; | |
8420 }; | |
8421 area.x1 = function(_) { | |
8422 if (!arguments.length) return x1; | |
8423 x1 = _; | |
8424 return area; | |
8425 }; | |
8426 area.y = function(_) { | |
8427 if (!arguments.length) return y1; | |
8428 y0 = y1 = _; | |
8429 return area; | |
8430 }; | |
8431 area.y0 = function(_) { | |
8432 if (!arguments.length) return y0; | |
8433 y0 = _; | |
8434 return area; | |
8435 }; | |
8436 area.y1 = function(_) { | |
8437 if (!arguments.length) return y1; | |
8438 y1 = _; | |
8439 return area; | |
8440 }; | |
8441 area.defined = function(_) { | |
8442 if (!arguments.length) return defined; | |
8443 defined = _; | |
8444 return area; | |
8445 }; | |
8446 area.interpolate = function(_) { | |
8447 if (!arguments.length) return interpolateKey; | |
8448 if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; | |
8449 interpolateReverse = interpolate.reverse || interpolate; | |
8450 L = interpolate.closed ? "M" : "L"; | |
8451 return area; | |
8452 }; | |
8453 area.tension = function(_) { | |
8454 if (!arguments.length) return tension; | |
8455 tension = _; | |
8456 return area; | |
8457 }; | |
8458 return area; | |
8459 } | |
8460 d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; | |
8461 d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; | |
8462 d3.svg.area = function() { | |
8463 return d3_svg_area(d3_identity); | |
8464 }; | |
8465 d3.svg.area.radial = function() { | |
8466 var area = d3_svg_area(d3_svg_lineRadial); | |
8467 area.radius = area.x, delete area.x; | |
8468 area.innerRadius = area.x0, delete area.x0; | |
8469 area.outerRadius = area.x1, delete area.x1; | |
8470 area.angle = area.y, delete area.y; | |
8471 area.startAngle = area.y0, delete area.y0; | |
8472 area.endAngle = area.y1, delete area.y1; | |
8473 return area; | |
8474 }; | |
8475 d3.svg.chord = function() { | |
8476 var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; | |
8477 function chord(d, i) { | |
8478 var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); | |
8479 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"; | |
8480 } | |
8481 function subgroup(self, f, d, i) { | |
8482 var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ; | |
8483 return { | |
8484 r: r, | |
8485 a0: a0, | |
8486 a1: a1, | |
8487 p0: [ r * Math.cos(a0), r * Math.sin(a0) ], | |
8488 p1: [ r * Math.cos(a1), r * Math.sin(a1) ] | |
8489 }; | |
8490 } | |
8491 function equals(a, b) { | |
8492 return a.a0 == b.a0 && a.a1 == b.a1; | |
8493 } | |
8494 function arc(r, p, a) { | |
8495 return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; | |
8496 } | |
8497 function curve(r0, p0, r1, p1) { | |
8498 return "Q 0,0 " + p1; | |
8499 } | |
8500 chord.radius = function(v) { | |
8501 if (!arguments.length) return radius; | |
8502 radius = d3_functor(v); | |
8503 return chord; | |
8504 }; | |
8505 chord.source = function(v) { | |
8506 if (!arguments.length) return source; | |
8507 source = d3_functor(v); | |
8508 return chord; | |
8509 }; | |
8510 chord.target = function(v) { | |
8511 if (!arguments.length) return target; | |
8512 target = d3_functor(v); | |
8513 return chord; | |
8514 }; | |
8515 chord.startAngle = function(v) { | |
8516 if (!arguments.length) return startAngle; | |
8517 startAngle = d3_functor(v); | |
8518 return chord; | |
8519 }; | |
8520 chord.endAngle = function(v) { | |
8521 if (!arguments.length) return endAngle; | |
8522 endAngle = d3_functor(v); | |
8523 return chord; | |
8524 }; | |
8525 return chord; | |
8526 }; | |
8527 function d3_svg_chordRadius(d) { | |
8528 return d.radius; | |
8529 } | |
8530 d3.svg.diagonal = function() { | |
8531 var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; | |
8532 function diagonal(d, i) { | |
8533 var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { | |
8534 x: p0.x, | |
8535 y: m | |
8536 }, { | |
8537 x: p3.x, | |
8538 y: m | |
8539 }, p3 ]; | |
8540 p = p.map(projection); | |
8541 return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; | |
8542 } | |
8543 diagonal.source = function(x) { | |
8544 if (!arguments.length) return source; | |
8545 source = d3_functor(x); | |
8546 return diagonal; | |
8547 }; | |
8548 diagonal.target = function(x) { | |
8549 if (!arguments.length) return target; | |
8550 target = d3_functor(x); | |
8551 return diagonal; | |
8552 }; | |
8553 diagonal.projection = function(x) { | |
8554 if (!arguments.length) return projection; | |
8555 projection = x; | |
8556 return diagonal; | |
8557 }; | |
8558 return diagonal; | |
8559 }; | |
8560 function d3_svg_diagonalProjection(d) { | |
8561 return [ d.x, d.y ]; | |
8562 } | |
8563 d3.svg.diagonal.radial = function() { | |
8564 var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; | |
8565 diagonal.projection = function(x) { | |
8566 return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; | |
8567 }; | |
8568 return diagonal; | |
8569 }; | |
8570 function d3_svg_diagonalRadialProjection(projection) { | |
8571 return function() { | |
8572 var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ; | |
8573 return [ r * Math.cos(a), r * Math.sin(a) ]; | |
8574 }; | |
8575 } | |
8576 d3.svg.symbol = function() { | |
8577 var type = d3_svg_symbolType, size = d3_svg_symbolSize; | |
8578 function symbol(d, i) { | |
8579 return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); | |
8580 } | |
8581 symbol.type = function(x) { | |
8582 if (!arguments.length) return type; | |
8583 type = d3_functor(x); | |
8584 return symbol; | |
8585 }; | |
8586 symbol.size = function(x) { | |
8587 if (!arguments.length) return size; | |
8588 size = d3_functor(x); | |
8589 return symbol; | |
8590 }; | |
8591 return symbol; | |
8592 }; | |
8593 function d3_svg_symbolSize() { | |
8594 return 64; | |
8595 } | |
8596 function d3_svg_symbolType() { | |
8597 return "circle"; | |
8598 } | |
8599 function d3_svg_symbolCircle(size) { | |
8600 var r = Math.sqrt(size / π); | |
8601 return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; | |
8602 } | |
8603 var d3_svg_symbols = d3.map({ | |
8604 circle: d3_svg_symbolCircle, | |
8605 cross: function(size) { | |
8606 var r = Math.sqrt(size / 5) / 2; | |
8607 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"; | |
8608 }, | |
8609 diamond: function(size) { | |
8610 var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; | |
8611 return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; | |
8612 }, | |
8613 square: function(size) { | |
8614 var r = Math.sqrt(size) / 2; | |
8615 return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; | |
8616 }, | |
8617 "triangle-down": function(size) { | |
8618 var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; | |
8619 return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; | |
8620 }, | |
8621 "triangle-up": function(size) { | |
8622 var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; | |
8623 return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; | |
8624 } | |
8625 }); | |
8626 d3.svg.symbolTypes = d3_svg_symbols.keys(); | |
8627 var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); | |
8628 d3_selectionPrototype.transition = function(name) { | |
8629 var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || { | |
8630 time: Date.now(), | |
8631 ease: d3_ease_cubicInOut, | |
8632 delay: 0, | |
8633 duration: 250 | |
8634 }; | |
8635 for (var j = -1, m = this.length; ++j < m; ) { | |
8636 subgroups.push(subgroup = []); | |
8637 for (var group = this[j], i = -1, n = group.length; ++i < n; ) { | |
8638 if (node = group[i]) d3_transitionNode(node, i, ns, id, transition); | |
8639 subgroup.push(node); | |
8640 } | |
8641 } | |
8642 return d3_transition(subgroups, ns, id); | |
8643 }; | |
8644 d3_selectionPrototype.interrupt = function(name) { | |
8645 return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name))); | |
8646 }; | |
8647 var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); | |
8648 function d3_selection_interruptNS(ns) { | |
8649 return function() { | |
8650 var lock, activeId, active; | |
8651 if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { | |
8652 active.timer.c = null; | |
8653 active.timer.t = NaN; | |
8654 if (--lock.count) delete lock[activeId]; else delete this[ns]; | |
8655 lock.active += .5; | |
8656 active.event && active.event.interrupt.call(this, this.__data__, active.index); | |
8657 } | |
8658 }; | |
8659 } | |
8660 function d3_transition(groups, ns, id) { | |
8661 d3_subclass(groups, d3_transitionPrototype); | |
8662 groups.namespace = ns; | |
8663 groups.id = id; | |
8664 return groups; | |
8665 } | |
8666 var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; | |
8667 d3_transitionPrototype.call = d3_selectionPrototype.call; | |
8668 d3_transitionPrototype.empty = d3_selectionPrototype.empty; | |
8669 d3_transitionPrototype.node = d3_selectionPrototype.node; | |
8670 d3_transitionPrototype.size = d3_selectionPrototype.size; | |
8671 d3.transition = function(selection, name) { | |
8672 return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection); | |
8673 }; | |
8674 d3.transition.prototype = d3_transitionPrototype; | |
8675 d3_transitionPrototype.select = function(selector) { | |
8676 var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node; | |
8677 selector = d3_selection_selector(selector); | |
8678 for (var j = -1, m = this.length; ++j < m; ) { | |
8679 subgroups.push(subgroup = []); | |
8680 for (var group = this[j], i = -1, n = group.length; ++i < n; ) { | |
8681 if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) { | |
8682 if ("__data__" in node) subnode.__data__ = node.__data__; | |
8683 d3_transitionNode(subnode, i, ns, id, node[ns][id]); | |
8684 subgroup.push(subnode); | |
8685 } else { | |
8686 subgroup.push(null); | |
8687 } | |
8688 } | |
8689 } | |
8690 return d3_transition(subgroups, ns, id); | |
8691 }; | |
8692 d3_transitionPrototype.selectAll = function(selector) { | |
8693 var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition; | |
8694 selector = d3_selection_selectorAll(selector); | |
8695 for (var j = -1, m = this.length; ++j < m; ) { | |
8696 for (var group = this[j], i = -1, n = group.length; ++i < n; ) { | |
8697 if (node = group[i]) { | |
8698 transition = node[ns][id]; | |
8699 subnodes = selector.call(node, node.__data__, i, j); | |
8700 subgroups.push(subgroup = []); | |
8701 for (var k = -1, o = subnodes.length; ++k < o; ) { | |
8702 if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition); | |
8703 subgroup.push(subnode); | |
8704 } | |
8705 } | |
8706 } | |
8707 } | |
8708 return d3_transition(subgroups, ns, id); | |
8709 }; | |
8710 d3_transitionPrototype.filter = function(filter) { | |
8711 var subgroups = [], subgroup, group, node; | |
8712 if (typeof filter !== "function") filter = d3_selection_filter(filter); | |
8713 for (var j = 0, m = this.length; j < m; j++) { | |
8714 subgroups.push(subgroup = []); | |
8715 for (var group = this[j], i = 0, n = group.length; i < n; i++) { | |
8716 if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { | |
8717 subgroup.push(node); | |
8718 } | |
8719 } | |
8720 } | |
8721 return d3_transition(subgroups, this.namespace, this.id); | |
8722 }; | |
8723 d3_transitionPrototype.tween = function(name, tween) { | |
8724 var id = this.id, ns = this.namespace; | |
8725 if (arguments.length < 2) return this.node()[ns][id].tween.get(name); | |
8726 return d3_selection_each(this, tween == null ? function(node) { | |
8727 node[ns][id].tween.remove(name); | |
8728 } : function(node) { | |
8729 node[ns][id].tween.set(name, tween); | |
8730 }); | |
8731 }; | |
8732 function d3_transition_tween(groups, name, value, tween) { | |
8733 var id = groups.id, ns = groups.namespace; | |
8734 return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { | |
8735 node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j))); | |
8736 } : (value = tween(value), function(node) { | |
8737 node[ns][id].tween.set(name, value); | |
8738 })); | |
8739 } | |
8740 d3_transitionPrototype.attr = function(nameNS, value) { | |
8741 if (arguments.length < 2) { | |
8742 for (value in nameNS) this.attr(value, nameNS[value]); | |
8743 return this; | |
8744 } | |
8745 var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); | |
8746 function attrNull() { | |
8747 this.removeAttribute(name); | |
8748 } | |
8749 function attrNullNS() { | |
8750 this.removeAttributeNS(name.space, name.local); | |
8751 } | |
8752 function attrTween(b) { | |
8753 return b == null ? attrNull : (b += "", function() { | |
8754 var a = this.getAttribute(name), i; | |
8755 return a !== b && (i = interpolate(a, b), function(t) { | |
8756 this.setAttribute(name, i(t)); | |
8757 }); | |
8758 }); | |
8759 } | |
8760 function attrTweenNS(b) { | |
8761 return b == null ? attrNullNS : (b += "", function() { | |
8762 var a = this.getAttributeNS(name.space, name.local), i; | |
8763 return a !== b && (i = interpolate(a, b), function(t) { | |
8764 this.setAttributeNS(name.space, name.local, i(t)); | |
8765 }); | |
8766 }); | |
8767 } | |
8768 return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); | |
8769 }; | |
8770 d3_transitionPrototype.attrTween = function(nameNS, tween) { | |
8771 var name = d3.ns.qualify(nameNS); | |
8772 function attrTween(d, i) { | |
8773 var f = tween.call(this, d, i, this.getAttribute(name)); | |
8774 return f && function(t) { | |
8775 this.setAttribute(name, f(t)); | |
8776 }; | |
8777 } | |
8778 function attrTweenNS(d, i) { | |
8779 var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); | |
8780 return f && function(t) { | |
8781 this.setAttributeNS(name.space, name.local, f(t)); | |
8782 }; | |
8783 } | |
8784 return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); | |
8785 }; | |
8786 d3_transitionPrototype.style = function(name, value, priority) { | |
8787 var n = arguments.length; | |
8788 if (n < 3) { | |
8789 if (typeof name !== "string") { | |
8790 if (n < 2) value = ""; | |
8791 for (priority in name) this.style(priority, name[priority], value); | |
8792 return this; | |
8793 } | |
8794 priority = ""; | |
8795 } | |
8796 function styleNull() { | |
8797 this.style.removeProperty(name); | |
8798 } | |
8799 function styleString(b) { | |
8800 return b == null ? styleNull : (b += "", function() { | |
8801 var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i; | |
8802 return a !== b && (i = d3_interpolate(a, b), function(t) { | |
8803 this.style.setProperty(name, i(t), priority); | |
8804 }); | |
8805 }); | |
8806 } | |
8807 return d3_transition_tween(this, "style." + name, value, styleString); | |
8808 }; | |
8809 d3_transitionPrototype.styleTween = function(name, tween, priority) { | |
8810 if (arguments.length < 3) priority = ""; | |
8811 function styleTween(d, i) { | |
8812 var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name)); | |
8813 return f && function(t) { | |
8814 this.style.setProperty(name, f(t), priority); | |
8815 }; | |
8816 } | |
8817 return this.tween("style." + name, styleTween); | |
8818 }; | |
8819 d3_transitionPrototype.text = function(value) { | |
8820 return d3_transition_tween(this, "text", value, d3_transition_text); | |
8821 }; | |
8822 function d3_transition_text(b) { | |
8823 if (b == null) b = ""; | |
8824 return function() { | |
8825 this.textContent = b; | |
8826 }; | |
8827 } | |
8828 d3_transitionPrototype.remove = function() { | |
8829 var ns = this.namespace; | |
8830 return this.each("end.transition", function() { | |
8831 var p; | |
8832 if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this); | |
8833 }); | |
8834 }; | |
8835 d3_transitionPrototype.ease = function(value) { | |
8836 var id = this.id, ns = this.namespace; | |
8837 if (arguments.length < 1) return this.node()[ns][id].ease; | |
8838 if (typeof value !== "function") value = d3.ease.apply(d3, arguments); | |
8839 return d3_selection_each(this, function(node) { | |
8840 node[ns][id].ease = value; | |
8841 }); | |
8842 }; | |
8843 d3_transitionPrototype.delay = function(value) { | |
8844 var id = this.id, ns = this.namespace; | |
8845 if (arguments.length < 1) return this.node()[ns][id].delay; | |
8846 return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { | |
8847 node[ns][id].delay = +value.call(node, node.__data__, i, j); | |
8848 } : (value = +value, function(node) { | |
8849 node[ns][id].delay = value; | |
8850 })); | |
8851 }; | |
8852 d3_transitionPrototype.duration = function(value) { | |
8853 var id = this.id, ns = this.namespace; | |
8854 if (arguments.length < 1) return this.node()[ns][id].duration; | |
8855 return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { | |
8856 node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j)); | |
8857 } : (value = Math.max(1, value), function(node) { | |
8858 node[ns][id].duration = value; | |
8859 })); | |
8860 }; | |
8861 d3_transitionPrototype.each = function(type, listener) { | |
8862 var id = this.id, ns = this.namespace; | |
8863 if (arguments.length < 2) { | |
8864 var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; | |
8865 try { | |
8866 d3_transitionInheritId = id; | |
8867 d3_selection_each(this, function(node, i, j) { | |
8868 d3_transitionInherit = node[ns][id]; | |
8869 type.call(node, node.__data__, i, j); | |
8870 }); | |
8871 } finally { | |
8872 d3_transitionInherit = inherit; | |
8873 d3_transitionInheritId = inheritId; | |
8874 } | |
8875 } else { | |
8876 d3_selection_each(this, function(node) { | |
8877 var transition = node[ns][id]; | |
8878 (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener); | |
8879 }); | |
8880 } | |
8881 return this; | |
8882 }; | |
8883 d3_transitionPrototype.transition = function() { | |
8884 var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition; | |
8885 for (var j = 0, m = this.length; j < m; j++) { | |
8886 subgroups.push(subgroup = []); | |
8887 for (var group = this[j], i = 0, n = group.length; i < n; i++) { | |
8888 if (node = group[i]) { | |
8889 transition = node[ns][id0]; | |
8890 d3_transitionNode(node, i, ns, id1, { | |
8891 time: transition.time, | |
8892 ease: transition.ease, | |
8893 delay: transition.delay + transition.duration, | |
8894 duration: transition.duration | |
8895 }); | |
8896 } | |
8897 subgroup.push(node); | |
8898 } | |
8899 } | |
8900 return d3_transition(subgroups, ns, id1); | |
8901 }; | |
8902 function d3_transitionNamespace(name) { | |
8903 return name == null ? "__transition__" : "__transition_" + name + "__"; | |
8904 } | |
8905 function d3_transitionNode(node, i, ns, id, inherit) { | |
8906 var lock = node[ns] || (node[ns] = { | |
8907 active: 0, | |
8908 count: 0 | |
8909 }), transition = lock[id], time, timer, duration, ease, tweens; | |
8910 function schedule(elapsed) { | |
8911 var delay = transition.delay; | |
8912 timer.t = delay + time; | |
8913 if (delay <= elapsed) return start(elapsed - delay); | |
8914 timer.c = start; | |
8915 } | |
8916 function start(elapsed) { | |
8917 var activeId = lock.active, active = lock[activeId]; | |
8918 if (active) { | |
8919 active.timer.c = null; | |
8920 active.timer.t = NaN; | |
8921 --lock.count; | |
8922 delete lock[activeId]; | |
8923 active.event && active.event.interrupt.call(node, node.__data__, active.index); | |
8924 } | |
8925 for (var cancelId in lock) { | |
8926 if (+cancelId < id) { | |
8927 var cancel = lock[cancelId]; | |
8928 cancel.timer.c = null; | |
8929 cancel.timer.t = NaN; | |
8930 --lock.count; | |
8931 delete lock[cancelId]; | |
8932 } | |
8933 } | |
8934 timer.c = tick; | |
8935 d3_timer(function() { | |
8936 if (timer.c && tick(elapsed || 1)) { | |
8937 timer.c = null; | |
8938 timer.t = NaN; | |
8939 } | |
8940 return 1; | |
8941 }, 0, time); | |
8942 lock.active = id; | |
8943 transition.event && transition.event.start.call(node, node.__data__, i); | |
8944 tweens = []; | |
8945 transition.tween.forEach(function(key, value) { | |
8946 if (value = value.call(node, node.__data__, i)) { | |
8947 tweens.push(value); | |
8948 } | |
8949 }); | |
8950 ease = transition.ease; | |
8951 duration = transition.duration; | |
8952 } | |
8953 function tick(elapsed) { | |
8954 var t = elapsed / duration, e = ease(t), n = tweens.length; | |
8955 while (n > 0) { | |
8956 tweens[--n].call(node, e); | |
8957 } | |
8958 if (t >= 1) { | |
8959 transition.event && transition.event.end.call(node, node.__data__, i); | |
8960 if (--lock.count) delete lock[id]; else delete node[ns]; | |
8961 return 1; | |
8962 } | |
8963 } | |
8964 if (!transition) { | |
8965 time = inherit.time; | |
8966 timer = d3_timer(schedule, 0, time); | |
8967 transition = lock[id] = { | |
8968 tween: new d3_Map(), | |
8969 time: time, | |
8970 timer: timer, | |
8971 delay: inherit.delay, | |
8972 duration: inherit.duration, | |
8973 ease: inherit.ease, | |
8974 index: i | |
8975 }; | |
8976 inherit = null; | |
8977 ++lock.count; | |
8978 } | |
8979 } | |
8980 d3.svg.axis = function() { | |
8981 var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; | |
8982 function axis(g) { | |
8983 g.each(function() { | |
8984 var g = d3.select(this); | |
8985 var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); | |
8986 var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform; | |
8987 var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), | |
8988 d3.transition(path)); | |
8989 tickEnter.append("line"); | |
8990 tickEnter.append("text"); | |
8991 var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2; | |
8992 if (orient === "bottom" || orient === "top") { | |
8993 tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2"; | |
8994 text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle"); | |
8995 pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize); | |
8996 } else { | |
8997 tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2"; | |
8998 text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start"); | |
8999 pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize); | |
9000 } | |
9001 lineEnter.attr(y2, sign * innerTickSize); | |
9002 textEnter.attr(y1, sign * tickSpacing); | |
9003 lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize); | |
9004 textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing); | |
9005 if (scale1.rangeBand) { | |
9006 var x = scale1, dx = x.rangeBand() / 2; | |
9007 scale0 = scale1 = function(d) { | |
9008 return x(d) + dx; | |
9009 }; | |
9010 } else if (scale0.rangeBand) { | |
9011 scale0 = scale1; | |
9012 } else { | |
9013 tickExit.call(tickTransform, scale1, scale0); | |
9014 } | |
9015 tickEnter.call(tickTransform, scale0, scale1); | |
9016 tickUpdate.call(tickTransform, scale1, scale1); | |
9017 }); | |
9018 } | |
9019 axis.scale = function(x) { | |
9020 if (!arguments.length) return scale; | |
9021 scale = x; | |
9022 return axis; | |
9023 }; | |
9024 axis.orient = function(x) { | |
9025 if (!arguments.length) return orient; | |
9026 orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient; | |
9027 return axis; | |
9028 }; | |
9029 axis.ticks = function() { | |
9030 if (!arguments.length) return tickArguments_; | |
9031 tickArguments_ = d3_array(arguments); | |
9032 return axis; | |
9033 }; | |
9034 axis.tickValues = function(x) { | |
9035 if (!arguments.length) return tickValues; | |
9036 tickValues = x; | |
9037 return axis; | |
9038 }; | |
9039 axis.tickFormat = function(x) { | |
9040 if (!arguments.length) return tickFormat_; | |
9041 tickFormat_ = x; | |
9042 return axis; | |
9043 }; | |
9044 axis.tickSize = function(x) { | |
9045 var n = arguments.length; | |
9046 if (!n) return innerTickSize; | |
9047 innerTickSize = +x; | |
9048 outerTickSize = +arguments[n - 1]; | |
9049 return axis; | |
9050 }; | |
9051 axis.innerTickSize = function(x) { | |
9052 if (!arguments.length) return innerTickSize; | |
9053 innerTickSize = +x; | |
9054 return axis; | |
9055 }; | |
9056 axis.outerTickSize = function(x) { | |
9057 if (!arguments.length) return outerTickSize; | |
9058 outerTickSize = +x; | |
9059 return axis; | |
9060 }; | |
9061 axis.tickPadding = function(x) { | |
9062 if (!arguments.length) return tickPadding; | |
9063 tickPadding = +x; | |
9064 return axis; | |
9065 }; | |
9066 axis.tickSubdivide = function() { | |
9067 return arguments.length && axis; | |
9068 }; | |
9069 return axis; | |
9070 }; | |
9071 var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { | |
9072 top: 1, | |
9073 right: 1, | |
9074 bottom: 1, | |
9075 left: 1 | |
9076 }; | |
9077 function d3_svg_axisX(selection, x0, x1) { | |
9078 selection.attr("transform", function(d) { | |
9079 var v0 = x0(d); | |
9080 return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)"; | |
9081 }); | |
9082 } | |
9083 function d3_svg_axisY(selection, y0, y1) { | |
9084 selection.attr("transform", function(d) { | |
9085 var v0 = y0(d); | |
9086 return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")"; | |
9087 }); | |
9088 } | |
9089 d3.svg.brush = function() { | |
9090 var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; | |
9091 function brush(g) { | |
9092 g.each(function() { | |
9093 var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); | |
9094 var background = g.selectAll(".background").data([ 0 ]); | |
9095 background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); | |
9096 g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); | |
9097 var resize = g.selectAll(".resize").data(resizes, d3_identity); | |
9098 resize.exit().remove(); | |
9099 resize.enter().append("g").attr("class", function(d) { | |
9100 return "resize " + d; | |
9101 }).style("cursor", function(d) { | |
9102 return d3_svg_brushCursor[d]; | |
9103 }).append("rect").attr("x", function(d) { | |
9104 return /[ew]$/.test(d) ? -3 : null; | |
9105 }).attr("y", function(d) { | |
9106 return /^[ns]/.test(d) ? -3 : null; | |
9107 }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); | |
9108 resize.style("display", brush.empty() ? "none" : null); | |
9109 var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; | |
9110 if (x) { | |
9111 range = d3_scaleRange(x); | |
9112 backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); | |
9113 redrawX(gUpdate); | |
9114 } | |
9115 if (y) { | |
9116 range = d3_scaleRange(y); | |
9117 backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); | |
9118 redrawY(gUpdate); | |
9119 } | |
9120 redraw(gUpdate); | |
9121 }); | |
9122 } | |
9123 brush.event = function(g) { | |
9124 g.each(function() { | |
9125 var event_ = event.of(this, arguments), extent1 = { | |
9126 x: xExtent, | |
9127 y: yExtent, | |
9128 i: xExtentDomain, | |
9129 j: yExtentDomain | |
9130 }, extent0 = this.__chart__ || extent1; | |
9131 this.__chart__ = extent1; | |
9132 if (d3_transitionInheritId) { | |
9133 d3.select(this).transition().each("start.brush", function() { | |
9134 xExtentDomain = extent0.i; | |
9135 yExtentDomain = extent0.j; | |
9136 xExtent = extent0.x; | |
9137 yExtent = extent0.y; | |
9138 event_({ | |
9139 type: "brushstart" | |
9140 }); | |
9141 }).tween("brush:brush", function() { | |
9142 var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); | |
9143 xExtentDomain = yExtentDomain = null; | |
9144 return function(t) { | |
9145 xExtent = extent1.x = xi(t); | |
9146 yExtent = extent1.y = yi(t); | |
9147 event_({ | |
9148 type: "brush", | |
9149 mode: "resize" | |
9150 }); | |
9151 }; | |
9152 }).each("end.brush", function() { | |
9153 xExtentDomain = extent1.i; | |
9154 yExtentDomain = extent1.j; | |
9155 event_({ | |
9156 type: "brush", | |
9157 mode: "resize" | |
9158 }); | |
9159 event_({ | |
9160 type: "brushend" | |
9161 }); | |
9162 }); | |
9163 } else { | |
9164 event_({ | |
9165 type: "brushstart" | |
9166 }); | |
9167 event_({ | |
9168 type: "brush", | |
9169 mode: "resize" | |
9170 }); | |
9171 event_({ | |
9172 type: "brushend" | |
9173 }); | |
9174 } | |
9175 }); | |
9176 }; | |
9177 function redraw(g) { | |
9178 g.selectAll(".resize").attr("transform", function(d) { | |
9179 return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; | |
9180 }); | |
9181 } | |
9182 function redrawX(g) { | |
9183 g.select(".extent").attr("x", xExtent[0]); | |
9184 g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); | |
9185 } | |
9186 function redrawY(g) { | |
9187 g.select(".extent").attr("y", yExtent[0]); | |
9188 g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); | |
9189 } | |
9190 function brushstart() { | |
9191 var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset; | |
9192 var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup); | |
9193 if (d3.event.changedTouches) { | |
9194 w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); | |
9195 } else { | |
9196 w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); | |
9197 } | |
9198 g.interrupt().selectAll("*").interrupt(); | |
9199 if (dragging) { | |
9200 origin[0] = xExtent[0] - origin[0]; | |
9201 origin[1] = yExtent[0] - origin[1]; | |
9202 } else if (resizing) { | |
9203 var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); | |
9204 offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; | |
9205 origin[0] = xExtent[ex]; | |
9206 origin[1] = yExtent[ey]; | |
9207 } else if (d3.event.altKey) center = origin.slice(); | |
9208 g.style("pointer-events", "none").selectAll(".resize").style("display", null); | |
9209 d3.select("body").style("cursor", eventTarget.style("cursor")); | |
9210 event_({ | |
9211 type: "brushstart" | |
9212 }); | |
9213 brushmove(); | |
9214 function keydown() { | |
9215 if (d3.event.keyCode == 32) { | |
9216 if (!dragging) { | |
9217 center = null; | |
9218 origin[0] -= xExtent[1]; | |
9219 origin[1] -= yExtent[1]; | |
9220 dragging = 2; | |
9221 } | |
9222 d3_eventPreventDefault(); | |
9223 } | |
9224 } | |
9225 function keyup() { | |
9226 if (d3.event.keyCode == 32 && dragging == 2) { | |
9227 origin[0] += xExtent[1]; | |
9228 origin[1] += yExtent[1]; | |
9229 dragging = 0; | |
9230 d3_eventPreventDefault(); | |
9231 } | |
9232 } | |
9233 function brushmove() { | |
9234 var point = d3.mouse(target), moved = false; | |
9235 if (offset) { | |
9236 point[0] += offset[0]; | |
9237 point[1] += offset[1]; | |
9238 } | |
9239 if (!dragging) { | |
9240 if (d3.event.altKey) { | |
9241 if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; | |
9242 origin[0] = xExtent[+(point[0] < center[0])]; | |
9243 origin[1] = yExtent[+(point[1] < center[1])]; | |
9244 } else center = null; | |
9245 } | |
9246 if (resizingX && move1(point, x, 0)) { | |
9247 redrawX(g); | |
9248 moved = true; | |
9249 } | |
9250 if (resizingY && move1(point, y, 1)) { | |
9251 redrawY(g); | |
9252 moved = true; | |
9253 } | |
9254 if (moved) { | |
9255 redraw(g); | |
9256 event_({ | |
9257 type: "brush", | |
9258 mode: dragging ? "move" : "resize" | |
9259 }); | |
9260 } | |
9261 } | |
9262 function move1(point, scale, i) { | |
9263 var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; | |
9264 if (dragging) { | |
9265 r0 -= position; | |
9266 r1 -= size + position; | |
9267 } | |
9268 min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i]; | |
9269 if (dragging) { | |
9270 max = (min += position) + size; | |
9271 } else { | |
9272 if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); | |
9273 if (position < min) { | |
9274 max = min; | |
9275 min = position; | |
9276 } else { | |
9277 max = position; | |
9278 } | |
9279 } | |
9280 if (extent[0] != min || extent[1] != max) { | |
9281 if (i) yExtentDomain = null; else xExtentDomain = null; | |
9282 extent[0] = min; | |
9283 extent[1] = max; | |
9284 return true; | |
9285 } | |
9286 } | |
9287 function brushend() { | |
9288 brushmove(); | |
9289 g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); | |
9290 d3.select("body").style("cursor", null); | |
9291 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); | |
9292 dragRestore(); | |
9293 event_({ | |
9294 type: "brushend" | |
9295 }); | |
9296 } | |
9297 } | |
9298 brush.x = function(z) { | |
9299 if (!arguments.length) return x; | |
9300 x = z; | |
9301 resizes = d3_svg_brushResizes[!x << 1 | !y]; | |
9302 return brush; | |
9303 }; | |
9304 brush.y = function(z) { | |
9305 if (!arguments.length) return y; | |
9306 y = z; | |
9307 resizes = d3_svg_brushResizes[!x << 1 | !y]; | |
9308 return brush; | |
9309 }; | |
9310 brush.clamp = function(z) { | |
9311 if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; | |
9312 if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; | |
9313 return brush; | |
9314 }; | |
9315 brush.extent = function(z) { | |
9316 var x0, x1, y0, y1, t; | |
9317 if (!arguments.length) { | |
9318 if (x) { | |
9319 if (xExtentDomain) { | |
9320 x0 = xExtentDomain[0], x1 = xExtentDomain[1]; | |
9321 } else { | |
9322 x0 = xExtent[0], x1 = xExtent[1]; | |
9323 if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); | |
9324 if (x1 < x0) t = x0, x0 = x1, x1 = t; | |
9325 } | |
9326 } | |
9327 if (y) { | |
9328 if (yExtentDomain) { | |
9329 y0 = yExtentDomain[0], y1 = yExtentDomain[1]; | |
9330 } else { | |
9331 y0 = yExtent[0], y1 = yExtent[1]; | |
9332 if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); | |
9333 if (y1 < y0) t = y0, y0 = y1, y1 = t; | |
9334 } | |
9335 } | |
9336 return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; | |
9337 } | |
9338 if (x) { | |
9339 x0 = z[0], x1 = z[1]; | |
9340 if (y) x0 = x0[0], x1 = x1[0]; | |
9341 xExtentDomain = [ x0, x1 ]; | |
9342 if (x.invert) x0 = x(x0), x1 = x(x1); | |
9343 if (x1 < x0) t = x0, x0 = x1, x1 = t; | |
9344 if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; | |
9345 } | |
9346 if (y) { | |
9347 y0 = z[0], y1 = z[1]; | |
9348 if (x) y0 = y0[1], y1 = y1[1]; | |
9349 yExtentDomain = [ y0, y1 ]; | |
9350 if (y.invert) y0 = y(y0), y1 = y(y1); | |
9351 if (y1 < y0) t = y0, y0 = y1, y1 = t; | |
9352 if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; | |
9353 } | |
9354 return brush; | |
9355 }; | |
9356 brush.clear = function() { | |
9357 if (!brush.empty()) { | |
9358 xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; | |
9359 xExtentDomain = yExtentDomain = null; | |
9360 } | |
9361 return brush; | |
9362 }; | |
9363 brush.empty = function() { | |
9364 return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1]; | |
9365 }; | |
9366 return d3.rebind(brush, event, "on"); | |
9367 }; | |
9368 var d3_svg_brushCursor = { | |
9369 n: "ns-resize", | |
9370 e: "ew-resize", | |
9371 s: "ns-resize", | |
9372 w: "ew-resize", | |
9373 nw: "nwse-resize", | |
9374 ne: "nesw-resize", | |
9375 se: "nwse-resize", | |
9376 sw: "nesw-resize" | |
9377 }; | |
9378 var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; | |
9379 var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; | |
9380 var d3_time_formatUtc = d3_time_format.utc; | |
9381 var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ"); | |
9382 d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso; | |
9383 function d3_time_formatIsoNative(date) { | |
9384 return date.toISOString(); | |
9385 } | |
9386 d3_time_formatIsoNative.parse = function(string) { | |
9387 var date = new Date(string); | |
9388 return isNaN(date) ? null : date; | |
9389 }; | |
9390 d3_time_formatIsoNative.toString = d3_time_formatIso.toString; | |
9391 d3_time.second = d3_time_interval(function(date) { | |
9392 return new d3_date(Math.floor(date / 1e3) * 1e3); | |
9393 }, function(date, offset) { | |
9394 date.setTime(date.getTime() + Math.floor(offset) * 1e3); | |
9395 }, function(date) { | |
9396 return date.getSeconds(); | |
9397 }); | |
9398 d3_time.seconds = d3_time.second.range; | |
9399 d3_time.seconds.utc = d3_time.second.utc.range; | |
9400 d3_time.minute = d3_time_interval(function(date) { | |
9401 return new d3_date(Math.floor(date / 6e4) * 6e4); | |
9402 }, function(date, offset) { | |
9403 date.setTime(date.getTime() + Math.floor(offset) * 6e4); | |
9404 }, function(date) { | |
9405 return date.getMinutes(); | |
9406 }); | |
9407 d3_time.minutes = d3_time.minute.range; | |
9408 d3_time.minutes.utc = d3_time.minute.utc.range; | |
9409 d3_time.hour = d3_time_interval(function(date) { | |
9410 var timezone = date.getTimezoneOffset() / 60; | |
9411 return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); | |
9412 }, function(date, offset) { | |
9413 date.setTime(date.getTime() + Math.floor(offset) * 36e5); | |
9414 }, function(date) { | |
9415 return date.getHours(); | |
9416 }); | |
9417 d3_time.hours = d3_time.hour.range; | |
9418 d3_time.hours.utc = d3_time.hour.utc.range; | |
9419 d3_time.month = d3_time_interval(function(date) { | |
9420 date = d3_time.day(date); | |
9421 date.setDate(1); | |
9422 return date; | |
9423 }, function(date, offset) { | |
9424 date.setMonth(date.getMonth() + offset); | |
9425 }, function(date) { | |
9426 return date.getMonth(); | |
9427 }); | |
9428 d3_time.months = d3_time.month.range; | |
9429 d3_time.months.utc = d3_time.month.utc.range; | |
9430 function d3_time_scale(linear, methods, format) { | |
9431 function scale(x) { | |
9432 return linear(x); | |
9433 } | |
9434 scale.invert = function(x) { | |
9435 return d3_time_scaleDate(linear.invert(x)); | |
9436 }; | |
9437 scale.domain = function(x) { | |
9438 if (!arguments.length) return linear.domain().map(d3_time_scaleDate); | |
9439 linear.domain(x); | |
9440 return scale; | |
9441 }; | |
9442 function tickMethod(extent, count) { | |
9443 var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); | |
9444 return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { | |
9445 return d / 31536e6; | |
9446 }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i]; | |
9447 } | |
9448 scale.nice = function(interval, skip) { | |
9449 var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval); | |
9450 if (method) interval = method[0], skip = method[1]; | |
9451 function skipped(date) { | |
9452 return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length; | |
9453 } | |
9454 return scale.domain(d3_scale_nice(domain, skip > 1 ? { | |
9455 floor: function(date) { | |
9456 while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1); | |
9457 return date; | |
9458 }, | |
9459 ceil: function(date) { | |
9460 while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1); | |
9461 return date; | |
9462 } | |
9463 } : interval)); | |
9464 }; | |
9465 scale.ticks = function(interval, skip) { | |
9466 var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ { | |
9467 range: interval | |
9468 }, skip ]; | |
9469 if (method) interval = method[0], skip = method[1]; | |
9470 return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip); | |
9471 }; | |
9472 scale.tickFormat = function() { | |
9473 return format; | |
9474 }; | |
9475 scale.copy = function() { | |
9476 return d3_time_scale(linear.copy(), methods, format); | |
9477 }; | |
9478 return d3_scale_linearRebind(scale, linear); | |
9479 } | |
9480 function d3_time_scaleDate(t) { | |
9481 return new Date(t); | |
9482 } | |
9483 var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ]; | |
9484 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 ] ]; | |
9485 var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) { | |
9486 return d.getMilliseconds(); | |
9487 } ], [ ":%S", function(d) { | |
9488 return d.getSeconds(); | |
9489 } ], [ "%I:%M", function(d) { | |
9490 return d.getMinutes(); | |
9491 } ], [ "%I %p", function(d) { | |
9492 return d.getHours(); | |
9493 } ], [ "%a %d", function(d) { | |
9494 return d.getDay() && d.getDate() != 1; | |
9495 } ], [ "%b %d", function(d) { | |
9496 return d.getDate() != 1; | |
9497 } ], [ "%B", function(d) { | |
9498 return d.getMonth(); | |
9499 } ], [ "%Y", d3_true ] ]); | |
9500 var d3_time_scaleMilliseconds = { | |
9501 range: function(start, stop, step) { | |
9502 return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate); | |
9503 }, | |
9504 floor: d3_identity, | |
9505 ceil: d3_identity | |
9506 }; | |
9507 d3_time_scaleLocalMethods.year = d3_time.year; | |
9508 d3_time.scale = function() { | |
9509 return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); | |
9510 }; | |
9511 var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) { | |
9512 return [ m[0].utc, m[1] ]; | |
9513 }); | |
9514 var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) { | |
9515 return d.getUTCMilliseconds(); | |
9516 } ], [ ":%S", function(d) { | |
9517 return d.getUTCSeconds(); | |
9518 } ], [ "%I:%M", function(d) { | |
9519 return d.getUTCMinutes(); | |
9520 } ], [ "%I %p", function(d) { | |
9521 return d.getUTCHours(); | |
9522 } ], [ "%a %d", function(d) { | |
9523 return d.getUTCDay() && d.getUTCDate() != 1; | |
9524 } ], [ "%b %d", function(d) { | |
9525 return d.getUTCDate() != 1; | |
9526 } ], [ "%B", function(d) { | |
9527 return d.getUTCMonth(); | |
9528 } ], [ "%Y", d3_true ] ]); | |
9529 d3_time_scaleUtcMethods.year = d3_time.year.utc; | |
9530 d3_time.scale.utc = function() { | |
9531 return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat); | |
9532 }; | |
9533 d3.text = d3_xhrType(function(request) { | |
9534 return request.responseText; | |
9535 }); | |
9536 d3.json = function(url, callback) { | |
9537 return d3_xhr(url, "application/json", d3_json, callback); | |
9538 }; | |
9539 function d3_json(request) { | |
9540 return JSON.parse(request.responseText); | |
9541 } | |
9542 d3.html = function(url, callback) { | |
9543 return d3_xhr(url, "text/html", d3_html, callback); | |
9544 }; | |
9545 function d3_html(request) { | |
9546 var range = d3_document.createRange(); | |
9547 range.selectNode(d3_document.body); | |
9548 return range.createContextualFragment(request.responseText); | |
9549 } | |
9550 d3.xml = d3_xhrType(function(request) { | |
9551 return request.responseXML; | |
9552 }); | |
9553 if (typeof define === "function" && define.amd) this.d3 = d3, define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; else this.d3 = d3; | |
9554 }(); |