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8704 lines
275 KiB
8704 lines
275 KiB
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(factory((global.mapv = global.mapv || {})));
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}(this, (function (exports) { 'use strict';
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var version = "2.0.38";
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/**
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* @author kyle / http://nikai.us/
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*/
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var clear = function (context) {
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context && context.clearRect && context.clearRect(0, 0, context.canvas.width, context.canvas.height);
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//context.canvas.width = context.canvas.width;
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//context.canvas.height = context.canvas.height;
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};
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/**
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* @author kyle / http://nikai.us/
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*/
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var resolutionScale$1 = function (context) {
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var devicePixelRatio = window.devicePixelRatio || 1;
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context.canvas.width = context.canvas.width * devicePixelRatio;
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context.canvas.height = context.canvas.height * devicePixelRatio;
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context.canvas.style.width = context.canvas.width / devicePixelRatio + 'px';
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context.canvas.style.height = context.canvas.height / devicePixelRatio + 'px';
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context.scale(devicePixelRatio, devicePixelRatio);
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};
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function Event() {
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this._subscribers = {}; // event subscribers
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}
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/**
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* Subscribe to an event, add an event listener
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* @param {String} event Event name. Available events: 'put', 'update',
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* 'remove'
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* @param {function} callback Callback method. Called with three parameters:
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* {String} event
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* {Object | null} params
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* {String | Number} senderId
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*/
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Event.prototype.on = function (event, callback) {
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var subscribers = this._subscribers[event];
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if (!subscribers) {
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subscribers = [];
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this._subscribers[event] = subscribers;
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}
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subscribers.push({
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callback: callback
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});
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};
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/**
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* Unsubscribe from an event, remove an event listener
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* @param {String} event
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* @param {function} callback
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*/
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Event.prototype.off = function (event, callback) {
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var subscribers = this._subscribers[event];
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if (subscribers) {
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//this._subscribers[event] = subscribers.filter(listener => listener.callback != callback);
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for (var i = 0; i < subscribers.length; i++) {
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if (subscribers[i].callback == callback) {
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subscribers.splice(i, 1);
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i--;
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}
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}
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}
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};
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/**
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* Trigger an event
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* @param {String} event
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* @param {Object | null} params
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* @param {String} [senderId] Optional id of the sender.
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* @private
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*/
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Event.prototype._trigger = function (event, params, senderId) {
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if (event == '*') {
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throw new Error('Cannot trigger event *');
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}
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var subscribers = [];
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if (event in this._subscribers) {
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subscribers = subscribers.concat(this._subscribers[event]);
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}
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if ('*' in this._subscribers) {
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subscribers = subscribers.concat(this._subscribers['*']);
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}
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for (var i = 0, len = subscribers.length; i < len; i++) {
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var subscriber = subscribers[i];
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if (subscriber.callback) {
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subscriber.callback(event, params, senderId || null);
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}
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}
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};
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/**
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* get the center by the city name
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* @author kyle / http://nikai.us/
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*/
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var citycenter = { municipalities: [{ n: "北京", g: "116.395645,39.929986|12" }, { n: "上海", g: "121.487899,31.249162|12" }, { n: "天津", g: "117.210813,39.14393|12" }, { n: "重庆", g: "106.530635,29.544606|12" }], provinces: [{ n: "安徽", g: "117.216005,31.859252|8", cities: [{ n: "合肥", g: "117.282699,31.866942|12" }, { n: "安庆", g: "117.058739,30.537898|13" }, { n: "蚌埠", g: "117.35708,32.929499|13" }, { n: "亳州", g: "115.787928,33.871211|13" }, { n: "巢湖", g: "117.88049,31.608733|13" }, { n: "池州", g: "117.494477,30.660019|14" }, { n: "滁州", g: "118.32457,32.317351|13" }, { n: "阜阳", g: "115.820932,32.901211|13" }, { n: "淮北", g: "116.791447,33.960023|13" }, { n: "淮南", g: "117.018639,32.642812|13" }, { n: "黄山", g: "118.29357,29.734435|13" }, { n: "六安", g: "116.505253,31.755558|13" }, { n: "马鞍山", g: "118.515882,31.688528|13" }, { n: "宿州", g: "116.988692,33.636772|13" }, { n: "铜陵", g: "117.819429,30.94093|14" }, { n: "芜湖", g: "118.384108,31.36602|12" }, { n: "宣城", g: "118.752096,30.951642|13" }] }, { n: "福建", g: "117.984943,26.050118|8", cities: [{ n: "福州", g: "119.330221,26.047125|12" }, { n: "龙岩", g: "117.017997,25.078685|13" }, { n: "南平", g: "118.181883,26.643626|13" }, { n: "宁德", g: "119.542082,26.656527|14" }, { n: "莆田", g: "119.077731,25.44845|13" }, { n: "泉州", g: "118.600362,24.901652|12" }, { n: "三明", g: "117.642194,26.270835|14" }, { n: "厦门", g: "118.103886,24.489231|12" }, { n: "漳州", g: "117.676205,24.517065|12" }] }, { n: "甘肃", g: "102.457625,38.103267|6", cities: [{ n: "兰州", g: "103.823305,36.064226|12" }, { n: "白银", g: "104.171241,36.546682|13" }, { n: "定西", g: "104.626638,35.586056|13" }, { n: "甘南州", g: "102.917442,34.992211|14" }, { n: "嘉峪关", g: "98.281635,39.802397|13" }, { n: "金昌", g: "102.208126,38.516072|13" }, { n: "酒泉", g: "98.508415,39.741474|13" }, { n: "临夏州", g: "103.215249,35.598514|13" }, { n: "陇南", g: "104.934573,33.39448|14" }, { n: "平凉", g: "106.688911,35.55011|13" }, { n: "庆阳", g: "107.644227,35.726801|13" }, { n: "天水", g: "105.736932,34.584319|13" }, { n: "武威", g: "102.640147,37.933172|13" }, { n: "张掖", g: "100.459892,38.93932|13" }] }, { n: "广东", g: "113.394818,23.408004|8", cities: [{ n: "广州", g: "113.30765,23.120049|12" }, { n: "潮州", g: "116.630076,23.661812|13" }, { n: "东莞", g: "113.763434,23.043024|12" }, { n: "佛山", g: "113.134026,23.035095|13" }, { n: "河源", g: "114.713721,23.757251|12" }, { n: "惠州", g: "114.410658,23.11354|12" }, { n: "江门", g: "113.078125,22.575117|13" }, { n: "揭阳", g: "116.379501,23.547999|13" }, { n: "茂名", g: "110.931245,21.668226|13" }, { n: "梅州", g: "116.126403,24.304571|13" }, { n: "清远", g: "113.040773,23.698469|13" }, { n: "汕头", g: "116.72865,23.383908|13" }, { n: "汕尾", g: "115.372924,22.778731|14" }, { n: "韶关", g: "113.594461,24.80296|13" }, { n: "深圳", g: "114.025974,22.546054|12" }, { n: "阳江", g: "111.97701,21.871517|14" }, { n: "云浮", g: "112.050946,22.937976|13" }, { n: "湛江", g: "110.365067,21.257463|13" }, { n: "肇庆", g: "112.479653,23.078663|13" }, { n: "中山", g: "113.42206,22.545178|12" }, { n: "珠海", g: "113.562447,22.256915|13" }] }, { n: "广西", g: "108.924274,23.552255|7", cities: [{ n: "南宁", g: "108.297234,22.806493|12" }, { n: "百色", g: "106.631821,23.901512|13" }, { n: "北海", g: "109.122628,21.472718|13" }, { n: "崇左", g: "107.357322,22.415455|14" }, { n: "防城港", g: "108.351791,21.617398|15" }, { n: "桂林", g: "110.26092,25.262901|12" }, { n: "贵港", g: "109.613708,23.103373|13" }, { n: "河池", g: "108.069948,24.699521|14" }, { n: "贺州", g: "111.552594,24.411054|14" }, { n: "来宾", g: "109.231817,23.741166|14" }, { n: "柳州", g: "109.422402,24.329053|12" }, { n: "钦州", g: "108.638798,21.97335|13" }, { n: "梧州", g: "111.305472,23.485395|13" }, { n: "玉林", g: "110.151676,22.643974|14" }] }, { n: "贵州", g: "106.734996,26.902826|8", cities: [{ n: "贵阳", g: "106.709177,26.629907|12" }, { n: "安顺", g: "105.92827,26.228595|13" }, { n: "毕节地区", g: "105.300492,27.302612|14" }, { n: "六盘水", g: "104.852087,26.591866|13" }, { n: "铜仁地区", g: "109.196161,27.726271|14" }, { n: "遵义", g: "106.93126,27.699961|13" }, { n: "黔西南州", g: "104.900558,25.095148|11" }, { n: "黔东南州", g: "107.985353,26.583992|11" }, { n: "黔南州", g: "107.523205,26.264536|11" }] }, { n: "海南", g: "109.733755,19.180501|9", cities: [{ n: "海口", g: "110.330802,20.022071|13" }, { n: "白沙", g: "109.358586,19.216056|12" }, { n: "保亭", g: "109.656113,18.597592|12" }, { n: "昌江", g: "109.0113,19.222483|12" }, { n: "儋州", g: "109.413973,19.571153|13" }, { n: "澄迈", g: "109.996736,19.693135|13" }, { n: "东方", g: "108.85101,18.998161|13" }, { n: "定安", g: "110.32009,19.490991|13" }, { n: "琼海", g: "110.414359,19.21483|13" }, { n: "琼中", g: "109.861849,19.039771|12" }, { n: "乐东", g: "109.062698,18.658614|12" }, { n: "临高", g: "109.724101,19.805922|13" }, { n: "陵水", g: "109.948661,18.575985|12" }, { n: "三亚", g: "109.522771,18.257776|12" }, { n: "屯昌", g: "110.063364,19.347749|13" }, { n: "万宁", g: "110.292505,18.839886|13" }, { n: "文昌", g: "110.780909,19.750947|13" }, { n: "五指山", g: "109.51775,18.831306|13" }] }, { n: "河北", g: "115.661434,38.61384|7", cities: [{ n: "石家庄", g: "114.522082,38.048958|12" }, { n: "保定", g: "115.49481,38.886565|13" }, { n: "沧州", g: "116.863806,38.297615|13" }, { n: "承德", g: "117.933822,40.992521|14" }, { n: "邯郸", g: "114.482694,36.609308|13" }, { n: "衡水", g: "115.686229,37.746929|13" }, { n: "廊坊", g: "116.703602,39.518611|13" }, { n: "秦皇岛", g: "119.604368,39.945462|12" }, { n: "唐山", g: "118.183451,39.650531|13" }, { n: "邢台", g: "114.520487,37.069531|13" }, { n: "张家口", g: "114.893782,40.811188|13" }] }, { n: "河南", g: "113.486804,34.157184|7", cities: [{ n: "郑州", g: "113.649644,34.75661|12" }, { n: "安阳", g: "114.351807,36.110267|12" }, { n: "鹤壁", g: "114.29777,35.755426|13" }, { n: "焦作", g: "113.211836,35.234608|13" }, { n: "开封", g: "114.351642,34.801854|13" }, { n: "洛阳", g: "112.447525,34.657368|12" }, { n: "漯河", g: "114.046061,33.576279|13" }, { n: "南阳", g: "112.542842,33.01142|13" }, { n: "平顶山", g: "113.300849,33.745301|13" }, { n: "濮阳", g: "115.026627,35.753298|12" }, { n: "三门峡", g: "111.181262,34.78332|13" }, { n: "商丘", g: "115.641886,34.438589|13" }, { n: "新乡", g: "113.91269,35.307258|13" }, { n: "信阳", g: "114.085491,32.128582|13" }, { n: "许昌", g: "113.835312,34.02674|13" }, { n: "周口", g: "114.654102,33.623741|13" }, { n: "驻马店", g: "114.049154,32.983158|13" }] }, { n: "黑龙江", g: "128.047414,47.356592|6", cities: [{ n: "哈尔滨", g: "126.657717,45.773225|12" }, { n: "大庆", g: "125.02184,46.596709|12" }, { n: "大兴安岭地区", g: "124.196104,51.991789|10" }, { n: "鹤岗", g: "130.292472,47.338666|13" }, { n: "黑河", g: "127.50083,50.25069|14" }, { n: "鸡西", g: "130.941767,45.32154|13" }, { n: "佳木斯", g: "130.284735,46.81378|12" }, { n: "牡丹江", g: "129.608035,44.588521|13" }, { n: "七台河", g: "131.019048,45.775005|14" }, { n: "齐齐哈尔", g: "123.987289,47.3477|13" }, { n: "双鸭山", g: "131.171402,46.655102|13" }, { n: "绥化", g: "126.989095,46.646064|13" }, { n: "伊春", g: "128.910766,47.734685|14" }] }, { n: "湖北", g: "112.410562,31.209316|8", cities: [{ n: "武汉", g: "114.3162,30.581084|12" }, { n: "鄂州", g: "114.895594,30.384439|14" }, { n: "恩施", g: "109.517433,30.308978|14" }, { n: "黄冈", g: "114.906618,30.446109|14" }, { n: "黄石", g: "115.050683,30.216127|13" }, { n: "荆门", g: "112.21733,31.042611|13" }, { n: "荆州", g: "112.241866,30.332591|12" }, { n: "潜江", g: "112.768768,30.343116|13" }, { n: "神农架林区", g: "110.487231,31.595768|13" }, { n: "十堰", g: "110.801229,32.636994|13" }, { n: "随州", g: "113.379358,31.717858|13" }, { n: "天门", g: "113.12623,30.649047|13" }, { n: "仙桃", g: "113.387448,30.293966|13" }, { n: "咸宁", g: "114.300061,29.880657|13" }, { n: "襄阳", g: "112.176326,32.094934|12" }, { n: "孝感", g: "113.935734,30.927955|13" }, { n: "宜昌", g: "111.310981,30.732758|13" }] }, { n: "湖南", g: "111.720664,27.695864|7", cities: [{ n: "长沙", g: "112.979353,28.213478|12" }, { n: "常德", g: "111.653718,29.012149|12" }, { n: "郴州", g: "113.037704,25.782264|13" }, { n: "衡阳", g: "112.583819,26.898164|13" }, { n: "怀化", g: "109.986959,27.557483|13" }, { n: "娄底", g: "111.996396,27.741073|13" }, { n: "邵阳", g: "111.461525,27.236811|13" }, { n: "湘潭", g: "112.935556,27.835095|13" }, { n: "湘西州", g: "109.745746,28.317951|14" }, { n: "益阳", g: "112.366547,28.588088|13" }, { n: "永州", g: "111.614648,26.435972|13" }, { n: "岳阳", g: "113.146196,29.378007|13" }, { n: "张家界", g: "110.48162,29.124889|13" }, { n: "株洲", g: "113.131695,27.827433|13" }] }, { n: "江苏", g: "119.368489,33.013797|8", cities: [{ n: "南京", g: "118.778074,32.057236|12" }, { n: "常州", g: "119.981861,31.771397|12" }, { n: "淮安", g: "119.030186,33.606513|12" }, { n: "连云港", g: "119.173872,34.601549|12" }, { n: "南通", g: "120.873801,32.014665|12" }, { n: "苏州", g: "120.619907,31.317987|12" }, { n: "宿迁", g: "118.296893,33.95205|13" }, { n: "泰州", g: "119.919606,32.476053|13" }, { n: "无锡", g: "120.305456,31.570037|12" }, { n: "徐州", g: "117.188107,34.271553|12" }, { n: "盐城", g: "120.148872,33.379862|12" }, { n: "扬州", g: "119.427778,32.408505|13" }, { n: "镇江", g: "119.455835,32.204409|13" }] }, { n: "江西", g: "115.676082,27.757258|7", cities: [{ n: "南昌", g: "115.893528,28.689578|12" }, { n: "抚州", g: "116.360919,27.954545|13" }, { n: "赣州", g: "114.935909,25.845296|13" }, { n: "吉安", g: "114.992039,27.113848|13" }, { n: "景德镇", g: "117.186523,29.303563|12" }, { n: "九江", g: "115.999848,29.71964|13" }, { n: "萍乡", g: "113.859917,27.639544|13" }, { n: "上饶", g: "117.955464,28.457623|13" }, { n: "新余", g: "114.947117,27.822322|13" }, { n: "宜春", g: "114.400039,27.81113|13" }, { n: "鹰潭", g: "117.03545,28.24131|13" }] }, { n: "吉林", g: "126.262876,43.678846|7", cities: [{ n: "长春", g: "125.313642,43.898338|12" }, { n: "白城", g: "122.840777,45.621086|13" }, { n: "白山", g: "126.435798,41.945859|13" }, { n: "吉林", g: "126.564544,43.871988|12" }, { n: "辽源", g: "125.133686,42.923303|13" }, { n: "四平", g: "124.391382,43.175525|12" }, { n: "松原", g: "124.832995,45.136049|13" }, { n: "通化", g: "125.94265,41.736397|13" }, { n: "延边", g: "129.485902,42.896414|13" }] }, { n: "辽宁", g: "122.753592,41.6216|8", cities: [{ n: "沈阳", g: "123.432791,41.808645|12" }, { n: "鞍山", g: "123.007763,41.118744|13" }, { n: "本溪", g: "123.778062,41.325838|12" }, { n: "朝阳", g: "120.446163,41.571828|13" }, { n: "大连", g: "121.593478,38.94871|12" }, { n: "丹东", g: "124.338543,40.129023|12" }, { n: "抚顺", g: "123.92982,41.877304|12" }, { n: "阜新", g: "121.660822,42.01925|14" }, { n: "葫芦岛", g: "120.860758,40.74303|13" }, { n: "锦州", g: "121.147749,41.130879|13" }, { n: "辽阳", g: "123.172451,41.273339|14" }, { n: "盘锦", g: "122.073228,41.141248|13" }, { n: "铁岭", g: "123.85485,42.299757|13" }, { n: "营口", g: "122.233391,40.668651|13" }] }, { n: "内蒙古", g: "114.415868,43.468238|5", cities: [{ n: "呼和浩特", g: "111.660351,40.828319|12" }, { n: "阿拉善盟", g: "105.695683,38.843075|14" }, { n: "包头", g: "109.846239,40.647119|12" }, { n: "巴彦淖尔", g: "107.423807,40.76918|12" }, { n: "赤峰", g: "118.930761,42.297112|12" }, { n: "鄂尔多斯", g: "109.993706,39.81649|12" }, { n: "呼伦贝尔", g: "119.760822,49.201636|12" }, { n: "通辽", g: "122.260363,43.633756|12" }, { n: "乌海", g: "106.831999,39.683177|13" }, { n: "乌兰察布", g: "113.112846,41.022363|12" }, { n: "锡林郭勒盟", g: "116.02734,43.939705|11" }, { n: "兴安盟", g: "122.048167,46.083757|11" }] }, { n: "宁夏", g: "106.155481,37.321323|8", cities: [{ n: "银川", g: "106.206479,38.502621|12" }, { n: "固原", g: "106.285268,36.021523|13" }, { n: "石嘴山", g: "106.379337,39.020223|13" }, { n: "吴忠", g: "106.208254,37.993561|14" }, { n: "中卫", g: "105.196754,37.521124|14" }] }, { n: "青海", g: "96.202544,35.499761|7", cities: [{ n: "西宁", g: "101.767921,36.640739|12" }, { n: "果洛州", g: "100.223723,34.480485|11" }, { n: "海东地区", g: "102.085207,36.51761|11" }, { n: "海北州", g: "100.879802,36.960654|11" }, { n: "海南州", g: "100.624066,36.284364|11" }, { n: "海西州", g: "97.342625,37.373799|11" }, { n: "黄南州", g: "102.0076,35.522852|11" }, { n: "玉树州", g: "97.013316,33.00624|14" }] }, { n: "山东", g: "118.527663,36.09929|8", cities: [{ n: "济南", g: "117.024967,36.682785|12" }, { n: "滨州", g: "117.968292,37.405314|12" }, { n: "东营", g: "118.583926,37.487121|12" }, { n: "德州", g: "116.328161,37.460826|12" }, { n: "菏泽", g: "115.46336,35.26244|13" }, { n: "济宁", g: "116.600798,35.402122|13" }, { n: "莱芜", g: "117.684667,36.233654|13" }, { n: "聊城", g: "115.986869,36.455829|12" }, { n: "临沂", g: "118.340768,35.072409|12" }, { n: "青岛", g: "120.384428,36.105215|12" }, { n: "日照", g: "119.50718,35.420225|12" }, { n: "泰安", g: "117.089415,36.188078|13" }, { n: "威海", g: "122.093958,37.528787|13" }, { n: "潍坊", g: "119.142634,36.716115|12" }, { n: "烟台", g: "121.309555,37.536562|12" }, { n: "枣庄", g: "117.279305,34.807883|13" }, { n: "淄博", g: "118.059134,36.804685|12" }] }, { n: "山西", g: "112.515496,37.866566|7", cities: [{ n: "太原", g: "112.550864,37.890277|12" }, { n: "长治", g: "113.120292,36.201664|12" }, { n: "大同", g: "113.290509,40.113744|12" }, { n: "晋城", g: "112.867333,35.499834|13" }, { n: "晋中", g: "112.738514,37.693362|13" }, { n: "临汾", g: "111.538788,36.099745|13" }, { n: "吕梁", g: "111.143157,37.527316|14" }, { n: "朔州", g: "112.479928,39.337672|13" }, { n: "忻州", g: "112.727939,38.461031|12" }, { n: "阳泉", g: "113.569238,37.869529|13" }, { n: "运城", g: "111.006854,35.038859|13" }] }, { n: "陕西", g: "109.503789,35.860026|7", cities: [{ n: "西安", g: "108.953098,34.2778|12" }, { n: "安康", g: "109.038045,32.70437|13" }, { n: "宝鸡", g: "107.170645,34.364081|12" }, { n: "汉中", g: "107.045478,33.081569|13" }, { n: "商洛", g: "109.934208,33.873907|13" }, { n: "铜川", g: "108.968067,34.908368|13" }, { n: "渭南", g: "109.483933,34.502358|13" }, { n: "咸阳", g: "108.707509,34.345373|13" }, { n: "延安", g: "109.50051,36.60332|13" }, { n: "榆林", g: "109.745926,38.279439|12" }] }, { n: "四川", g: "102.89916,30.367481|7", cities: [{ n: "成都", g: "104.067923,30.679943|12" }, { n: "阿坝州", g: "102.228565,31.905763|15" }, { n: "巴中", g: "106.757916,31.869189|14" }, { n: "达州", g: "107.494973,31.214199|14" }, { n: "德阳", g: "104.402398,31.13114|13" }, { n: "甘孜州", g: "101.969232,30.055144|15" }, { n: "广安", g: "106.63572,30.463984|13" }, { n: "广元", g: "105.819687,32.44104|13" }, { n: "乐山", g: "103.760824,29.600958|13" }, { n: "凉山州", g: "102.259591,27.892393|14" }, { n: "泸州", g: "105.44397,28.89593|14" }, { n: "南充", g: "106.105554,30.800965|13" }, { n: "眉山", g: "103.84143,30.061115|13" }, { n: "绵阳", g: "104.705519,31.504701|12" }, { n: "内江", g: "105.073056,29.599462|13" }, { n: "攀枝花", g: "101.722423,26.587571|14" }, { n: "遂宁", g: "105.564888,30.557491|12" }, { n: "雅安", g: "103.009356,29.999716|13" }, { n: "宜宾", g: "104.633019,28.769675|13" }, { n: "资阳", g: "104.63593,30.132191|13" }, { n: "自贡", g: "104.776071,29.359157|13" }] }, { n: "西藏", g: "89.137982,31.367315|6", cities: [{ n: "拉萨", g: "91.111891,29.662557|13" }, { n: "阿里地区", g: "81.107669,30.404557|11" }, { n: "昌都地区", g: "97.185582,31.140576|15" }, { n: "林芝地区", g: "94.349985,29.666941|11" }, { n: "那曲地区", g: "92.067018,31.48068|14" }, { n: "日喀则地区", g: "88.891486,29.269023|14" }, { n: "山南地区", g: "91.750644,29.229027|11" }] }, { n: "新疆", g: "85.614899,42.127001|6", cities: [{ n: "乌鲁木齐", g: "87.564988,43.84038|12" }, { n: "阿拉尔", g: "81.291737,40.61568|13" }, { n: "阿克苏地区", g: "80.269846,41.171731|12" }, { n: "阿勒泰地区", g: "88.137915,47.839744|13" }, { n: "巴音郭楞", g: "86.121688,41.771362|12" }, { n: "博尔塔拉州", g: "82.052436,44.913651|11" }, { n: "昌吉州", g: "87.296038,44.007058|13" }, { n: "哈密地区", g: "93.528355,42.858596|13" }, { n: "和田地区", g: "79.930239,37.116774|13" }, { n: "喀什地区", g: "75.992973,39.470627|12" }, { n: "克拉玛依", g: "84.88118,45.594331|13" }, { n: "克孜勒苏州", g: "76.137564,39.750346|11" }, { n: "石河子", g: "86.041865,44.308259|13" }, { n: "塔城地区", g: "82.974881,46.758684|12" }, { n: "图木舒克", g: "79.198155,39.889223|13" }, { n: "吐鲁番地区", g: "89.181595,42.96047|13" }, { n: "五家渠", g: "87.565449,44.368899|13" }, { n: "伊犁州", g: "81.297854,43.922248|11" }] }, { n: "云南", g: "101.592952,24.864213|7", cities: [{ n: "昆明", g: "102.714601,25.049153|12" }, { n: "保山", g: "99.177996,25.120489|13" }, { n: "楚雄州", g: "101.529382,25.066356|13" }, { n: "大理州", g: "100.223675,25.5969|14" }, { n: "德宏州", g: "98.589434,24.44124|14" }, { n: "迪庆州", g: "99.713682,27.831029|14" }, { n: "红河州", g: "103.384065,23.367718|11" }, { n: "丽江", g: "100.229628,26.875351|13" }, { n: "临沧", g: "100.092613,23.887806|14" }, { n: "怒江州", g: "98.859932,25.860677|14" }, { n: "普洱", g: "100.980058,22.788778|14" }, { n: "曲靖", g: "103.782539,25.520758|12" }, { n: "昭通", g: "103.725021,27.340633|13" }, { n: "文山", g: "104.089112,23.401781|14" }, { n: "西双版纳", g: "100.803038,22.009433|13" }, { n: "玉溪", g: "102.545068,24.370447|13" }] }, { n: "浙江", g: "119.957202,29.159494|8", cities: [{ n: "杭州", g: "120.219375,30.259244|12" }, { n: "湖州", g: "120.137243,30.877925|12" }, { n: "嘉兴", g: "120.760428,30.773992|13" }, { n: "金华", g: "119.652576,29.102899|12" }, { n: "丽水", g: "119.929576,28.4563|13" }, { n: "宁波", g: "121.579006,29.885259|12" }, { n: "衢州", g: "118.875842,28.95691|12" }, { n: "绍兴", g: "120.592467,30.002365|13" }, { n: "台州", g: "121.440613,28.668283|13" }, { n: "温州", g: "120.690635,28.002838|12" }, { n: "舟山", g: "122.169872,30.03601|13" }] }], other: [{ n: "香港", g: "114.186124,22.293586|11" }, { n: "澳门", g: "113.557519,22.204118|13" }, { n: "台湾", g: "120.961454,23.80406|8" }] };
|
|
|
|
function getCenter(g) {
|
|
var item = g.split("|");
|
|
item[0] = item[0].split(",");
|
|
return {
|
|
lng: parseFloat(item[0][0]),
|
|
lat: parseFloat(item[0][1])
|
|
};
|
|
}
|
|
|
|
var cityCenter = {
|
|
getProvinceNameByCityName: function getProvinceNameByCityName(name) {
|
|
var provinces = citycenter.provinces;
|
|
for (var i = 0; i < provinces.length; i++) {
|
|
var provinceName = provinces[i].n;
|
|
var cities = provinces[i].cities;
|
|
for (var j = 0; j < cities.length; j++) {
|
|
if (cities[j].n == name) {
|
|
return provinceName;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
},
|
|
getCenterByCityName: function getCenterByCityName(name) {
|
|
name = name.replace('市', '');
|
|
for (var i = 0; i < citycenter.municipalities.length; i++) {
|
|
if (citycenter.municipalities[i].n == name) {
|
|
return getCenter(citycenter.municipalities[i].g);
|
|
}
|
|
}
|
|
|
|
for (var i = 0; i < citycenter.other.length; i++) {
|
|
if (citycenter.other[i].n == name) {
|
|
return getCenter(citycenter.other[i].g);
|
|
}
|
|
}
|
|
|
|
var provinces = citycenter.provinces;
|
|
for (var i = 0; i < provinces.length; i++) {
|
|
if (provinces[i].n == name) {
|
|
return getCenter(provinces[i].g);
|
|
}
|
|
var cities = provinces[i].cities;
|
|
for (var j = 0; j < cities.length; j++) {
|
|
if (cities[j].n == name) {
|
|
return getCenter(cities[j].g);
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
};
|
|
|
|
var classCallCheck = function (instance, Constructor) {
|
|
if (!(instance instanceof Constructor)) {
|
|
throw new TypeError("Cannot call a class as a function");
|
|
}
|
|
};
|
|
|
|
var createClass = function () {
|
|
function defineProperties(target, props) {
|
|
for (var i = 0; i < props.length; i++) {
|
|
var descriptor = props[i];
|
|
descriptor.enumerable = descriptor.enumerable || false;
|
|
descriptor.configurable = true;
|
|
if ("value" in descriptor) descriptor.writable = true;
|
|
Object.defineProperty(target, descriptor.key, descriptor);
|
|
}
|
|
}
|
|
|
|
return function (Constructor, protoProps, staticProps) {
|
|
if (protoProps) defineProperties(Constructor.prototype, protoProps);
|
|
if (staticProps) defineProperties(Constructor, staticProps);
|
|
return Constructor;
|
|
};
|
|
}();
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|
|
|
|
|
var get = function get(object, property, receiver) {
|
|
if (object === null) object = Function.prototype;
|
|
var desc = Object.getOwnPropertyDescriptor(object, property);
|
|
|
|
if (desc === undefined) {
|
|
var parent = Object.getPrototypeOf(object);
|
|
|
|
if (parent === null) {
|
|
return undefined;
|
|
} else {
|
|
return get(parent, property, receiver);
|
|
}
|
|
} else if ("value" in desc) {
|
|
return desc.value;
|
|
} else {
|
|
var getter = desc.get;
|
|
|
|
if (getter === undefined) {
|
|
return undefined;
|
|
}
|
|
|
|
return getter.call(receiver);
|
|
}
|
|
};
|
|
|
|
var inherits = function (subClass, superClass) {
|
|
if (typeof superClass !== "function" && superClass !== null) {
|
|
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
|
|
}
|
|
|
|
subClass.prototype = Object.create(superClass && superClass.prototype, {
|
|
constructor: {
|
|
value: subClass,
|
|
enumerable: false,
|
|
writable: true,
|
|
configurable: true
|
|
}
|
|
});
|
|
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var possibleConstructorReturn = function (self, call) {
|
|
if (!self) {
|
|
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
|
|
}
|
|
|
|
return call && (typeof call === "object" || typeof call === "function") ? call : self;
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
/**
|
|
* DataSet
|
|
*
|
|
* A data set can:
|
|
* - add/remove/update data
|
|
* - gives triggers upon changes in the data
|
|
* - can import/export data in various data formats
|
|
* @param {Array} [data] Optional array with initial data
|
|
* the field geometry is like geojson, it can be:
|
|
* {
|
|
* "type": "Point",
|
|
* "coordinates": [125.6, 10.1]
|
|
* }
|
|
* {
|
|
* "type": "LineString",
|
|
* "coordinates": [
|
|
* [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
|
|
* ]
|
|
* }
|
|
* {
|
|
* "type": "Polygon",
|
|
* "coordinates": [
|
|
* [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
|
|
* [100.0, 1.0], [100.0, 0.0] ]
|
|
* ]
|
|
* }
|
|
* @param {Object} [options] Available options:
|
|
*
|
|
*/
|
|
function DataSet(data, options) {
|
|
Event.bind(this)();
|
|
|
|
this._options = options || {};
|
|
this._data = []; // map with data indexed by id
|
|
|
|
// add initial data when provided
|
|
if (data) {
|
|
this.add(data);
|
|
}
|
|
}
|
|
|
|
DataSet.prototype = Event.prototype;
|
|
|
|
/**
|
|
* Add data.
|
|
*/
|
|
DataSet.prototype.add = function (data, senderId) {
|
|
if (Array.isArray(data)) {
|
|
// Array
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
if (data[i].time && data[i].time.length == 14 && data[i].time.substr(0, 2) == '20') {
|
|
var time = data[i].time;
|
|
data[i].time = new Date(time.substr(0, 4) + '-' + time.substr(4, 2) + '-' + time.substr(6, 2) + ' ' + time.substr(8, 2) + ':' + time.substr(10, 2) + ':' + time.substr(12, 2)).getTime();
|
|
}
|
|
this._data.push(data[i]);
|
|
}
|
|
} else if (data instanceof Object) {
|
|
// Single item
|
|
this._data.push(data);
|
|
} else {
|
|
throw new Error('Unknown dataType');
|
|
}
|
|
|
|
this._dataCache = JSON.parse(JSON.stringify(this._data));
|
|
};
|
|
|
|
DataSet.prototype.reset = function () {
|
|
this._data = JSON.parse(JSON.stringify(this._dataCache));
|
|
};
|
|
|
|
/**
|
|
* get data.
|
|
*/
|
|
DataSet.prototype.get = function (args) {
|
|
args = args || {};
|
|
|
|
//console.time('copy data time')
|
|
var start = new Date();
|
|
// TODO: 不修改原始数据，在数据上挂载新的名称，每次修改数据直接修改新名称下的数据，可以省去deepCopy
|
|
// var data = deepCopy(this._data);
|
|
var data = this._data;
|
|
|
|
var start = new Date();
|
|
|
|
if (args.filter) {
|
|
var newData = [];
|
|
for (var i = 0; i < data.length; i++) {
|
|
if (args.filter(data[i])) {
|
|
newData.push(data[i]);
|
|
}
|
|
}
|
|
data = newData;
|
|
}
|
|
|
|
if (args.transferCoordinate) {
|
|
data = this.transferCoordinate(data, args.transferCoordinate, args.fromColumn, args.toColumn);
|
|
}
|
|
|
|
// console.timeEnd('transferCoordinate time')
|
|
|
|
return data;
|
|
};
|
|
|
|
/**
|
|
* set data.
|
|
*/
|
|
DataSet.prototype.set = function (data) {
|
|
this._set(data);
|
|
this._trigger('change');
|
|
};
|
|
|
|
/**
|
|
* set data.
|
|
*/
|
|
DataSet.prototype._set = function (data) {
|
|
this.clear();
|
|
this.add(data);
|
|
};
|
|
|
|
/**
|
|
* clear data.
|
|
*/
|
|
DataSet.prototype.clear = function (args) {
|
|
this._data = []; // map with data indexed by id
|
|
};
|
|
|
|
/**
|
|
* remove data.
|
|
*/
|
|
DataSet.prototype.remove = function (args) {};
|
|
|
|
/**
|
|
* update data.
|
|
*/
|
|
DataSet.prototype.update = function (cbk, condition) {
|
|
|
|
var data = this._data;
|
|
|
|
var item = null;
|
|
for (var i = 0; i < data.length; i++) {
|
|
if (condition) {
|
|
var flag = true;
|
|
for (var key in condition) {
|
|
if (data[i][key] != condition[key]) {
|
|
flag = false;
|
|
}
|
|
}
|
|
if (flag) {
|
|
cbk && cbk(data[i]);
|
|
}
|
|
} else {
|
|
cbk && cbk(data[i]);
|
|
}
|
|
}
|
|
|
|
this._dataCache = JSON.parse(JSON.stringify(this._data));
|
|
|
|
this._trigger('change');
|
|
};
|
|
|
|
/**
|
|
* transfer coordinate.
|
|
*/
|
|
DataSet.prototype.transferCoordinate = function (data, transferFn, fromColumn, toColumnName) {
|
|
|
|
toColumnName = toColumnName || '_coordinates';
|
|
fromColumn = fromColumn || 'coordinates';
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
|
|
var geometry = data[i].geometry;
|
|
var coordinates = geometry[fromColumn];
|
|
switch (geometry.type) {
|
|
case 'Point':
|
|
geometry[toColumnName] = transferFn(coordinates);
|
|
break;
|
|
case 'LineString':
|
|
var newCoordinates = [];
|
|
for (var j = 0; j < coordinates.length; j++) {
|
|
newCoordinates.push(transferFn(coordinates[j]));
|
|
}
|
|
geometry[toColumnName] = newCoordinates;
|
|
break;
|
|
case 'MultiLineString':
|
|
case 'Polygon':
|
|
var newCoordinates = getPolygon(coordinates);
|
|
geometry[toColumnName] = newCoordinates;
|
|
break;
|
|
case 'MultiPolygon':
|
|
var newCoordinates = [];
|
|
for (var c = 0; c < coordinates.length; c++) {
|
|
var polygon = coordinates[c];
|
|
var polygon = getPolygon(polygon);
|
|
newCoordinates.push(polygon);
|
|
}
|
|
|
|
geometry[toColumnName] = newCoordinates;
|
|
break;
|
|
}
|
|
}
|
|
|
|
function getPolygon(coordinates) {
|
|
var newCoordinates = [];
|
|
for (var c = 0; c < coordinates.length; c++) {
|
|
var coordinate = coordinates[c];
|
|
var newcoordinate = [];
|
|
for (var j = 0; j < coordinate.length; j++) {
|
|
newcoordinate.push(transferFn(coordinate[j]));
|
|
}
|
|
newCoordinates.push(newcoordinate);
|
|
}
|
|
return newCoordinates;
|
|
}
|
|
|
|
return data;
|
|
};
|
|
|
|
DataSet.prototype.initGeometry = function (transferFn) {
|
|
|
|
if (transferFn) {
|
|
|
|
this._data.forEach(function (item) {
|
|
item.geometry = transferFn(item);
|
|
});
|
|
} else {
|
|
|
|
this._data.forEach(function (item) {
|
|
if (!item.geometry) {
|
|
if (item.lng && item.lat) {
|
|
item.geometry = {
|
|
type: 'Point',
|
|
coordinates: [item.lng, item.lat]
|
|
};
|
|
} else if (item.city) {
|
|
var center = cityCenter.getCenterByCityName(item.city);
|
|
if (center) {
|
|
item.geometry = {
|
|
type: 'Point',
|
|
coordinates: [center.lng, center.lat]
|
|
};
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 获取当前列的最大值
|
|
*/
|
|
DataSet.prototype.getMax = function (columnName) {
|
|
var data = this._data;
|
|
|
|
if (!data || data.length <= 0) {
|
|
return;
|
|
}
|
|
|
|
var max = parseFloat(data[0][columnName]);
|
|
|
|
for (var i = 1; i < data.length; i++) {
|
|
var value = parseFloat(data[i][columnName]);
|
|
if (value > max) {
|
|
max = value;
|
|
}
|
|
}
|
|
|
|
return max;
|
|
};
|
|
|
|
/**
|
|
* 获取当前列的总和
|
|
*/
|
|
DataSet.prototype.getSum = function (columnName) {
|
|
var data = this._data;
|
|
|
|
if (!data || data.length <= 0) {
|
|
return;
|
|
}
|
|
|
|
var sum = 0;
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
if (data[i][columnName]) {
|
|
sum += parseFloat(data[i][columnName]);
|
|
}
|
|
}
|
|
|
|
return sum;
|
|
};
|
|
|
|
/**
|
|
* 获取当前列的最小值
|
|
*/
|
|
DataSet.prototype.getMin = function (columnName) {
|
|
var data = this._data;
|
|
|
|
if (!data || data.length <= 0) {
|
|
return;
|
|
}
|
|
|
|
var min = parseFloat(data[0][columnName]);
|
|
|
|
for (var i = 1; i < data.length; i++) {
|
|
var value = parseFloat(data[i][columnName]);
|
|
if (value < min) {
|
|
min = value;
|
|
}
|
|
}
|
|
|
|
return min;
|
|
};
|
|
|
|
/**
|
|
* 获取去重的数据
|
|
*/
|
|
DataSet.prototype.getUnique = function (columnName) {
|
|
var data = this._data;
|
|
|
|
if (!data || data.length <= 0) {
|
|
return;
|
|
}
|
|
|
|
var maps = {};
|
|
|
|
for (var i = 1; i < data.length; i++) {
|
|
maps[data[i][columnName]] = true;
|
|
}
|
|
|
|
var data = [];
|
|
for (var key in maps) {
|
|
data.push(key);
|
|
}
|
|
|
|
return data;
|
|
};
|
|
|
|
function hex_corner(center, size, i) {
|
|
var angle_deg = 60 * i + 30;
|
|
var angle_rad = Math.PI / 180 * angle_deg;
|
|
return [center.x + size * Math.cos(angle_rad), center.y + size * Math.sin(angle_rad)];
|
|
}
|
|
|
|
function draw(context, x, y, size) {
|
|
|
|
for (var j = 0; j < 6; j++) {
|
|
|
|
var result = hex_corner({
|
|
x: x,
|
|
y: y
|
|
}, size, j);
|
|
|
|
context.lineTo(result[0], result[1]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var pathSimple = {
|
|
drawDataSet: function drawDataSet(context, dataSet, options) {
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
var item = data[i];
|
|
this.draw(context, item, options);
|
|
}
|
|
},
|
|
draw: function draw$$1(context, data, options) {
|
|
var type = data.geometry.type;
|
|
var coordinates = data.geometry._coordinates || data.geometry.coordinates;
|
|
var symbol = options.symbol || 'circle';
|
|
switch (type) {
|
|
case 'Point':
|
|
var size = data._size || data.size || options._size || options.size || 5;
|
|
if (symbol === 'circle') {
|
|
if (options.bigData === 'Point') {
|
|
context.moveTo(coordinates[0], coordinates[1]);
|
|
}
|
|
context.arc(coordinates[0], coordinates[1], size, 0, Math.PI * 2);
|
|
} else if (symbol === 'rect') {
|
|
context.rect(coordinates[0] - size / 2, coordinates[1] - size / 2, size, size);
|
|
} else if (symbol === 'honeycomb') {
|
|
draw(context, coordinates[0], coordinates[1], size);
|
|
}
|
|
break;
|
|
case 'LineString':
|
|
this.drawLineString(context, coordinates);
|
|
break;
|
|
case 'MultiLineString':
|
|
for (var i = 0; i < coordinates.length; i++) {
|
|
var lineString = coordinates[i];
|
|
this.drawLineString(context, lineString);
|
|
}
|
|
break;
|
|
case 'Polygon':
|
|
this.drawPolygon(context, coordinates);
|
|
break;
|
|
case 'MultiPolygon':
|
|
for (var i = 0; i < coordinates.length; i++) {
|
|
var polygon = coordinates[i];
|
|
this.drawPolygon(context, polygon);
|
|
if (options.multiPolygonDraw) {
|
|
options.multiPolygonDraw();
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
console.error('type' + type + 'is not support now!');
|
|
break;
|
|
}
|
|
},
|
|
|
|
drawLineString: function drawLineString(context, coordinates) {
|
|
for (var j = 0; j < coordinates.length; j++) {
|
|
var x = coordinates[j][0];
|
|
var y = coordinates[j][1];
|
|
if (j == 0) {
|
|
context.moveTo(x, y);
|
|
} else {
|
|
context.lineTo(x, y);
|
|
}
|
|
}
|
|
},
|
|
|
|
drawPolygon: function drawPolygon(context, coordinates) {
|
|
context.beginPath();
|
|
|
|
for (var i = 0; i < coordinates.length; i++) {
|
|
var coordinate = coordinates[i];
|
|
|
|
context.moveTo(coordinate[0][0], coordinate[0][1]);
|
|
for (var j = 1; j < coordinate.length; j++) {
|
|
context.lineTo(coordinate[j][0], coordinate[j][1]);
|
|
}
|
|
context.lineTo(coordinate[0][0], coordinate[0][1]);
|
|
context.closePath();
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var drawSimple = {
|
|
draw: function draw(context, dataSet, options) {
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
// console.log('xxxx',options)
|
|
context.save();
|
|
|
|
for (var key in options) {
|
|
context[key] = options[key];
|
|
}
|
|
|
|
// console.log(data);
|
|
if (options.bigData) {
|
|
context.save();
|
|
context.beginPath();
|
|
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
|
|
var item = data[i];
|
|
|
|
pathSimple.draw(context, item, options);
|
|
}
|
|
|
|
var type = options.bigData;
|
|
|
|
if (type == 'Point' || type == 'Polygon' || type == 'MultiPolygon') {
|
|
|
|
context.fill();
|
|
|
|
if (context.lineDash) {
|
|
context.setLineDash(context.lineDash);
|
|
}
|
|
|
|
if (item.lineDash) {
|
|
context.setLineDash(item.lineDash);
|
|
}
|
|
|
|
if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
|
|
context.stroke();
|
|
}
|
|
} else if (type == 'LineString' || type == 'MultiLineString') {
|
|
context.stroke();
|
|
}
|
|
|
|
context.restore();
|
|
} else {
|
|
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
|
|
var item = data[i];
|
|
|
|
context.save();
|
|
|
|
if (item.fillStyle || item._fillStyle) {
|
|
context.fillStyle = item.fillStyle || item._fillStyle;
|
|
}
|
|
|
|
if (item.strokeStyle || item._strokeStyle) {
|
|
context.strokeStyle = item.strokeStyle || item._strokeStyle;
|
|
}
|
|
|
|
if (context.lineDash) {
|
|
context.setLineDash(context.lineDash);
|
|
}
|
|
|
|
if (item.lineDash) {
|
|
context.setLineDash(item.lineDash);
|
|
}
|
|
|
|
var type = item.geometry.type;
|
|
|
|
context.beginPath();
|
|
|
|
options.multiPolygonDraw = function () {
|
|
context.fill();
|
|
|
|
if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
|
|
context.stroke();
|
|
}
|
|
};
|
|
pathSimple.draw(context, item, options);
|
|
|
|
if (type == 'Point' || type == 'Polygon' || type == 'MultiPolygon') {
|
|
|
|
context.fill();
|
|
|
|
if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
|
|
context.stroke();
|
|
}
|
|
} else if (type == 'LineString' || type == 'MultiLineString') {
|
|
if (item.lineWidth || item._lineWidth) {
|
|
context.lineWidth = item.lineWidth || item._lineWidth;
|
|
}
|
|
context.stroke();
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
};
|
|
|
|
function Canvas(width, height) {
|
|
|
|
var canvas;
|
|
|
|
if (typeof document === 'undefined') {
|
|
|
|
// var Canvas = require('canvas');
|
|
// canvas = new Canvas(width, height);
|
|
|
|
} else {
|
|
|
|
var canvas = document.createElement('canvas');
|
|
|
|
if (width) {
|
|
canvas.width = width;
|
|
}
|
|
|
|
if (height) {
|
|
canvas.height = height;
|
|
}
|
|
}
|
|
|
|
return canvas;
|
|
}
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
/**
|
|
* Category
|
|
* @param {Object} [options] Available options:
|
|
* {Object} gradient: { 0.25: "rgb(0,0,255)", 0.55: "rgb(0,255,0)", 0.85: "yellow", 1.0: "rgb(255,0,0)"}
|
|
*/
|
|
function Intensity(options) {
|
|
|
|
options = options || {};
|
|
this.gradient = options.gradient || {
|
|
0.25: "rgba(0, 0, 255, 1)",
|
|
0.55: "rgba(0, 255, 0, 1)",
|
|
0.85: "rgba(255, 255, 0, 1)",
|
|
1.0: "rgba(255, 0, 0, 1)"
|
|
};
|
|
this.maxSize = options.maxSize || 35;
|
|
this.minSize = options.minSize || 0;
|
|
this.max = options.max || 100;
|
|
this.min = options.min || 0;
|
|
this.initPalette();
|
|
}
|
|
|
|
Intensity.prototype.setMax = function (value) {
|
|
this.max = value || 100;
|
|
};
|
|
|
|
Intensity.prototype.setMin = function (value) {
|
|
this.min = value || 0;
|
|
};
|
|
|
|
Intensity.prototype.setMaxSize = function (maxSize) {
|
|
this.maxSize = maxSize || 35;
|
|
};
|
|
|
|
Intensity.prototype.setMinSize = function (minSize) {
|
|
this.minSize = minSize || 0;
|
|
};
|
|
|
|
Intensity.prototype.initPalette = function () {
|
|
|
|
var gradient = this.gradient;
|
|
|
|
var canvas = new Canvas(256, 1);
|
|
|
|
var paletteCtx = this.paletteCtx = canvas.getContext('2d');
|
|
|
|
var lineGradient = paletteCtx.createLinearGradient(0, 0, 256, 1);
|
|
|
|
for (var key in gradient) {
|
|
lineGradient.addColorStop(parseFloat(key), gradient[key]);
|
|
}
|
|
|
|
paletteCtx.fillStyle = lineGradient;
|
|
paletteCtx.fillRect(0, 0, 256, 1);
|
|
};
|
|
|
|
Intensity.prototype.getColor = function (value) {
|
|
|
|
var imageData = this.getImageData(value);
|
|
|
|
return "rgba(" + imageData[0] + ", " + imageData[1] + ", " + imageData[2] + ", " + imageData[3] / 256 + ")";
|
|
};
|
|
|
|
Intensity.prototype.getImageData = function (value) {
|
|
|
|
var imageData = this.paletteCtx.getImageData(0, 0, 256, 1).data;
|
|
|
|
if (value === undefined) {
|
|
return imageData;
|
|
}
|
|
|
|
var max = this.max;
|
|
var min = this.min;
|
|
|
|
if (value > max) {
|
|
value = max;
|
|
}
|
|
|
|
if (value < min) {
|
|
value = min;
|
|
}
|
|
|
|
var index = Math.floor((value - min) / (max - min) * (256 - 1)) * 4;
|
|
|
|
return [imageData[index], imageData[index + 1], imageData[index + 2], imageData[index + 3]];
|
|
};
|
|
|
|
/**
|
|
* @param Number value
|
|
* @param Number max of value
|
|
* @param Number max of size
|
|
* @param Object other options
|
|
*/
|
|
Intensity.prototype.getSize = function (value) {
|
|
|
|
var size = 0;
|
|
var max = this.max;
|
|
var min = this.min;
|
|
var maxSize = this.maxSize;
|
|
var minSize = this.minSize;
|
|
|
|
if (value > max) {
|
|
value = max;
|
|
}
|
|
|
|
if (value < min) {
|
|
value = min;
|
|
}
|
|
|
|
if (max > min) {
|
|
size = minSize + (value - min) / (max - min) * (maxSize - minSize);
|
|
} else {
|
|
return maxSize;
|
|
}
|
|
|
|
return size;
|
|
};
|
|
|
|
Intensity.prototype.getLegend = function (options) {
|
|
var gradient = this.gradient;
|
|
|
|
var width = options.width || 20;
|
|
var height = options.height || 180;
|
|
|
|
var canvas = new Canvas(width, height);
|
|
|
|
var paletteCtx = canvas.getContext('2d');
|
|
|
|
var lineGradient = paletteCtx.createLinearGradient(0, height, 0, 0);
|
|
|
|
for (var key in gradient) {
|
|
lineGradient.addColorStop(parseFloat(key), gradient[key]);
|
|
}
|
|
|
|
paletteCtx.fillStyle = lineGradient;
|
|
paletteCtx.fillRect(0, 0, width, height);
|
|
|
|
return canvas;
|
|
};
|
|
|
|
var global$1 = typeof window === 'undefined' ? {} : window;
|
|
|
|
var devicePixelRatio = global$1.devicePixelRatio || 1;
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
function createCircle(size) {
|
|
|
|
var shadowBlur = size / 2;
|
|
var r2 = size + shadowBlur;
|
|
var offsetDistance = 10000;
|
|
|
|
var circle = new Canvas(r2 * 2, r2 * 2);
|
|
var context = circle.getContext('2d');
|
|
|
|
context.shadowBlur = shadowBlur;
|
|
context.shadowColor = 'black';
|
|
context.shadowOffsetX = context.shadowOffsetY = offsetDistance;
|
|
|
|
context.beginPath();
|
|
context.arc(r2 - offsetDistance, r2 - offsetDistance, size, 0, Math.PI * 2, true);
|
|
context.closePath();
|
|
context.fill();
|
|
return circle;
|
|
}
|
|
|
|
function colorize(pixels, gradient, options) {
|
|
var max = getMax(options);
|
|
var min = getMin(options);
|
|
var diff = max - min;
|
|
var range = options.range || null;
|
|
|
|
var jMin = 0;
|
|
var jMax = 1024;
|
|
if (range && range.length === 2) {
|
|
jMin = (range[0] - min) / diff * 1024;
|
|
}
|
|
|
|
if (range && range.length === 2) {
|
|
jMax = (range[1] - min) / diff * 1024;
|
|
}
|
|
|
|
var maxOpacity = options.maxOpacity || 0.8;
|
|
var range = options.range;
|
|
|
|
for (var i = 3, len = pixels.length, j; i < len; i += 4) {
|
|
j = pixels[i] * 4; // get gradient color from opacity value
|
|
|
|
if (pixels[i] / 256 > maxOpacity) {
|
|
pixels[i] = 256 * maxOpacity;
|
|
}
|
|
|
|
if (j && j >= jMin && j <= jMax) {
|
|
pixels[i - 3] = gradient[j];
|
|
pixels[i - 2] = gradient[j + 1];
|
|
pixels[i - 1] = gradient[j + 2];
|
|
} else {
|
|
pixels[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
function getMax(options) {
|
|
var max = options.max || 100;
|
|
return max;
|
|
}
|
|
|
|
function getMin(options) {
|
|
var min = options.min || 0;
|
|
return min;
|
|
}
|
|
|
|
function drawGray(context, dataSet, options) {
|
|
|
|
var max = getMax(options);
|
|
var min = getMin(options);
|
|
// console.log(max)
|
|
var size = options._size;
|
|
if (size == undefined) {
|
|
size = options.size;
|
|
if (size == undefined) {
|
|
size = 13;
|
|
}
|
|
}
|
|
|
|
var intensity = new Intensity({
|
|
gradient: options.gradient,
|
|
max: max,
|
|
min: min
|
|
});
|
|
|
|
var circle = createCircle(size);
|
|
var circleHalfWidth = circle.width / 2;
|
|
var circleHalfHeight = circle.height / 2;
|
|
|
|
var data = dataSet;
|
|
|
|
var dataOrderByAlpha = {};
|
|
|
|
data.forEach(function (item, index) {
|
|
var count = item.count === undefined ? 1 : item.count;
|
|
var alpha = Math.min(1, count / max).toFixed(2);
|
|
dataOrderByAlpha[alpha] = dataOrderByAlpha[alpha] || [];
|
|
dataOrderByAlpha[alpha].push(item);
|
|
});
|
|
|
|
for (var i in dataOrderByAlpha) {
|
|
if (isNaN(i)) continue;
|
|
var _data = dataOrderByAlpha[i];
|
|
context.beginPath();
|
|
if (!options.withoutAlpha) {
|
|
context.globalAlpha = i;
|
|
}
|
|
context.strokeStyle = intensity.getColor(i * max);
|
|
_data.forEach(function (item, index) {
|
|
if (!item.geometry) {
|
|
return;
|
|
}
|
|
|
|
var coordinates = item.geometry._coordinates || item.geometry.coordinates;
|
|
var type = item.geometry.type;
|
|
if (type === 'Point') {
|
|
var count = item.count === undefined ? 1 : item.count;
|
|
context.globalAlpha = count / max;
|
|
context.drawImage(circle, coordinates[0] - circleHalfWidth, coordinates[1] - circleHalfHeight);
|
|
} else if (type === 'LineString') {
|
|
var count = item.count === undefined ? 1 : item.count;
|
|
context.globalAlpha = count / max;
|
|
context.beginPath();
|
|
pathSimple.draw(context, item, options);
|
|
context.stroke();
|
|
} else if (type === 'Polygon') {}
|
|
});
|
|
}
|
|
}
|
|
|
|
function draw$1(context, dataSet, options) {
|
|
if (context.canvas.width <= 0 || context.canvas.height <= 0) {
|
|
return;
|
|
}
|
|
|
|
var strength = options.strength || 0.3;
|
|
context.strokeStyle = 'rgba(0,0,0,' + strength + ')';
|
|
|
|
var shadowCanvas = new Canvas(context.canvas.width, context.canvas.height);
|
|
var shadowContext = shadowCanvas.getContext('2d');
|
|
shadowContext.scale(devicePixelRatio, devicePixelRatio);
|
|
|
|
options = options || {};
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
context.save();
|
|
|
|
var intensity = new Intensity({
|
|
gradient: options.gradient
|
|
});
|
|
|
|
//console.time('drawGray')
|
|
drawGray(shadowContext, data, options);
|
|
|
|
//console.timeEnd('drawGray');
|
|
// return false;
|
|
if (!options.absolute) {
|
|
//console.time('changeColor');
|
|
var colored = shadowContext.getImageData(0, 0, context.canvas.width, context.canvas.height);
|
|
colorize(colored.data, intensity.getImageData(), options);
|
|
//console.timeEnd('changeColor');
|
|
context.putImageData(colored, 0, 0);
|
|
|
|
context.restore();
|
|
}
|
|
|
|
intensity = null;
|
|
shadowCanvas = null;
|
|
}
|
|
|
|
var drawHeatmap = {
|
|
draw: draw$1
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var drawGrid = {
|
|
draw: function draw(context, dataSet, options) {
|
|
|
|
context.save();
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
var grids = {};
|
|
|
|
var size = options._size || options.size || 50;
|
|
|
|
var offset = options.offset || {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
|
|
var gridKey = Math.floor((coordinates[0] - offset.x) / size) + "," + Math.floor((coordinates[1] - offset.y) / size);
|
|
if (!grids[gridKey]) {
|
|
grids[gridKey] = 0;
|
|
}
|
|
grids[gridKey] += ~~(data[i].count || 1);
|
|
}
|
|
|
|
var intensity = new Intensity({
|
|
min: options.min || 0,
|
|
max: options.max || 100,
|
|
gradient: options.gradient
|
|
});
|
|
|
|
for (var gridKey in grids) {
|
|
gridKey = gridKey.split(",");
|
|
|
|
context.beginPath();
|
|
context.rect(gridKey[0] * size + .5 + offset.x, gridKey[1] * size + .5 + offset.y, size, size);
|
|
context.fillStyle = intensity.getColor(grids[gridKey]);
|
|
context.fill();
|
|
if (options.strokeStyle && options.lineWidth) {
|
|
context.stroke();
|
|
}
|
|
}
|
|
|
|
if (options.label && options.label.show !== false) {
|
|
|
|
context.fillStyle = options.label.fillStyle || 'white';
|
|
|
|
if (options.label.font) {
|
|
context.font = options.label.font;
|
|
}
|
|
|
|
if (options.label.shadowColor) {
|
|
context.shadowColor = options.label.shadowColor;
|
|
}
|
|
|
|
if (options.label.shadowBlur) {
|
|
context.shadowBlur = options.label.shadowBlur;
|
|
}
|
|
|
|
for (var gridKey in grids) {
|
|
gridKey = gridKey.split(",");
|
|
var text = grids[gridKey];
|
|
var textWidth = context.measureText(text).width;
|
|
context.fillText(text, gridKey[0] * size + .5 + offset.x + size / 2 - textWidth / 2, gridKey[1] * size + .5 + offset.y + size / 2 + 5);
|
|
}
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
function hex_corner$1(center, size, i) {
|
|
var angle_deg = 60 * i + 30;
|
|
var angle_rad = Math.PI / 180 * angle_deg;
|
|
return [center.x + size * Math.cos(angle_rad), center.y + size * Math.sin(angle_rad)];
|
|
}
|
|
|
|
var drawHoneycomb = {
|
|
draw: function draw(context, dataSet, options) {
|
|
|
|
context.save();
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
for (var key in options) {
|
|
context[key] = options[key];
|
|
}
|
|
|
|
var grids = {};
|
|
|
|
var offset = options.offset || {
|
|
x: 10,
|
|
y: 10
|
|
};
|
|
|
|
var r = options._size || options.size || 40;
|
|
r = r / 2 / Math.sin(Math.PI / 3);
|
|
var dx = r * 2 * Math.sin(Math.PI / 3);
|
|
var dy = r * 1.5;
|
|
|
|
var binsById = {};
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
|
|
var py = (coordinates[1] - offset.y) / dy,
|
|
pj = Math.round(py),
|
|
px = (coordinates[0] - offset.x) / dx - (pj & 1 ? .5 : 0),
|
|
pi = Math.round(px),
|
|
py1 = py - pj;
|
|
|
|
if (Math.abs(py1) * 3 > 1) {
|
|
var px1 = px - pi,
|
|
pi2 = pi + (px < pi ? -1 : 1) / 2,
|
|
pj2 = pj + (py < pj ? -1 : 1),
|
|
px2 = px - pi2,
|
|
py2 = py - pj2;
|
|
if (px1 * px1 + py1 * py1 > px2 * px2 + py2 * py2) pi = pi2 + (pj & 1 ? 1 : -1) / 2, pj = pj2;
|
|
}
|
|
|
|
var id = pi + "-" + pj,
|
|
bin = binsById[id];
|
|
if (bin) {
|
|
bin.push(data[i]);
|
|
} else {
|
|
bin = binsById[id] = [data[i]];
|
|
bin.i = pi;
|
|
bin.j = pj;
|
|
bin.x = (pi + (pj & 1 ? 1 / 2 : 0)) * dx;
|
|
bin.y = pj * dy;
|
|
}
|
|
}
|
|
|
|
var intensity = new Intensity({
|
|
max: options.max || 100,
|
|
maxSize: r,
|
|
gradient: options.gradient
|
|
});
|
|
|
|
for (var key in binsById) {
|
|
|
|
var item = binsById[key];
|
|
|
|
context.beginPath();
|
|
|
|
for (var j = 0; j < 6; j++) {
|
|
|
|
var result = hex_corner$1({
|
|
x: item.x + offset.x,
|
|
y: item.y + offset.y
|
|
}, r, j);
|
|
|
|
context.lineTo(result[0], result[1]);
|
|
}
|
|
|
|
context.closePath();
|
|
|
|
var count = 0;
|
|
for (var i = 0; i < item.length; i++) {
|
|
count += item[i].count || 1;
|
|
}
|
|
item.count = count;
|
|
|
|
context.fillStyle = intensity.getColor(count);
|
|
context.fill();
|
|
if (options.strokeStyle && options.lineWidth) {
|
|
context.stroke();
|
|
}
|
|
}
|
|
|
|
if (options.label && options.label.show !== false) {
|
|
|
|
context.fillStyle = options.label.fillStyle || 'white';
|
|
|
|
if (options.label.font) {
|
|
context.font = options.label.font;
|
|
}
|
|
|
|
if (options.label.shadowColor) {
|
|
context.shadowColor = options.label.shadowColor;
|
|
}
|
|
|
|
if (options.label.shadowBlur) {
|
|
context.shadowBlur = options.label.shadowBlur;
|
|
}
|
|
|
|
for (var key in binsById) {
|
|
var item = binsById[key];
|
|
var text = item.count;
|
|
if (text < 0) {
|
|
text = text.toFixed(2);
|
|
} else {
|
|
text = ~~text;
|
|
}
|
|
var textWidth = context.measureText(text).width;
|
|
context.fillText(text, item.x + offset.x - textWidth / 2, item.y + offset.y + 5);
|
|
}
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
};
|
|
|
|
function createShader(gl, src, type) {
|
|
var shader = gl.createShader(type);
|
|
gl.shaderSource(shader, src);
|
|
gl.compileShader(shader);
|
|
return shader;
|
|
}
|
|
|
|
function initShaders(gl, vs_source, fs_source) {
|
|
|
|
var vertexShader = createShader(gl, vs_source, gl.VERTEX_SHADER);
|
|
var fragmentShader = createShader(gl, fs_source, gl.FRAGMENT_SHADER);
|
|
|
|
var glProgram = gl.createProgram();
|
|
|
|
gl.attachShader(glProgram, vertexShader);
|
|
gl.attachShader(glProgram, fragmentShader);
|
|
gl.linkProgram(glProgram);
|
|
|
|
gl.useProgram(glProgram);
|
|
|
|
return glProgram;
|
|
}
|
|
|
|
function getColorData(color) {
|
|
var tmpCanvas = document.createElement('canvas');
|
|
var tmpCtx = tmpCanvas.getContext('2d');
|
|
tmpCanvas.width = 1;
|
|
tmpCanvas.height = 1;
|
|
tmpCtx.fillStyle = color;
|
|
tmpCtx.fillRect(0, 0, 1, 1);
|
|
return tmpCtx.getImageData(0, 0, 1, 1).data;
|
|
}
|
|
|
|
var vs_s = ['attribute vec4 a_Position;', 'void main() {', 'gl_Position = a_Position;', 'gl_PointSize = 30.0;', '}'].join('');
|
|
|
|
var fs_s = ['precision mediump float;', 'uniform vec4 u_FragColor;', 'void main() {', 'gl_FragColor = u_FragColor;', '}'].join('');
|
|
|
|
function draw$2(gl, data, options) {
|
|
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
var program = initShaders(gl, vs_s, fs_s);
|
|
|
|
gl.enable(gl.BLEND);
|
|
gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
|
|
|
|
//gl.clearColor(0.0, 0.0, 1.0, 1.0);
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
|
|
var halfCanvasWidth = gl.canvas.width / 2;
|
|
var halfCanvasHeight = gl.canvas.height / 2;
|
|
|
|
// Create a buffer object
|
|
var vertexBuffer = gl.createBuffer();
|
|
// Bind the buffer object to target
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
|
|
|
|
var a_Position = gl.getAttribLocation(program, 'a_Position');
|
|
// Assign the buffer object to a_Position variable
|
|
gl.vertexAttribPointer(a_Position, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
// Enable the assignment to a_Position variable
|
|
gl.enableVertexAttribArray(a_Position);
|
|
|
|
var uFragColor = gl.getUniformLocation(program, 'u_FragColor');
|
|
|
|
var colored = getColorData(options.strokeStyle || 'red');
|
|
|
|
gl.uniform4f(uFragColor, colored[0] / 255, colored[1] / 255, colored[2] / 255, colored[3] / 255);
|
|
|
|
gl.lineWidth(options.lineWidth || 1);
|
|
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
var _geometry = data[i].geometry._coordinates;
|
|
|
|
var verticesData = [];
|
|
|
|
for (var j = 0; j < _geometry.length; j++) {
|
|
var item = _geometry[j];
|
|
|
|
var x = (item[0] - halfCanvasWidth) / halfCanvasWidth;
|
|
var y = (halfCanvasHeight - item[1]) / halfCanvasHeight;
|
|
verticesData.push(x, y);
|
|
}
|
|
|
|
var vertices = new Float32Array(verticesData);
|
|
// Write date into the buffer object
|
|
gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);
|
|
gl.drawArrays(gl.LINE_STRIP, 0, _geometry.length);
|
|
}
|
|
}
|
|
|
|
var line = {
|
|
draw: draw$2
|
|
};
|
|
|
|
var vs_s$1 = ['attribute vec4 a_Position;', 'attribute float a_PointSize;', 'void main() {', 'gl_Position = a_Position;', 'gl_PointSize = a_PointSize;', '}'].join('');
|
|
|
|
var fs_s$1 = ['precision mediump float;', 'uniform vec4 u_FragColor;', 'void main() {', 'gl_FragColor = u_FragColor;', '}'].join('');
|
|
|
|
function draw$3(gl, data, options) {
|
|
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
var program = initShaders(gl, vs_s$1, fs_s$1);
|
|
|
|
var a_Position = gl.getAttribLocation(program, 'a_Position');
|
|
|
|
var a_PointSize = gl.getAttribLocation(program, 'a_PointSize');
|
|
|
|
var uFragColor = gl.getUniformLocation(program, 'u_FragColor');
|
|
|
|
//gl.clearColor(0.0, 0.0, 1.0, 1.0);
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
|
|
var halfCanvasWidth = gl.canvas.width / 2;
|
|
var halfCanvasHeight = gl.canvas.height / 2;
|
|
|
|
var verticesData = [];
|
|
var count = 0;
|
|
for (var i = 0; i < data.length; i++) {
|
|
var item = data[i].geometry._coordinates;
|
|
|
|
var x = (item[0] - halfCanvasWidth) / halfCanvasWidth;
|
|
var y = (halfCanvasHeight - item[1]) / halfCanvasHeight;
|
|
|
|
if (x < -1 || x > 1 || y < -1 || y > 1) {
|
|
continue;
|
|
}
|
|
verticesData.push(x, y);
|
|
count++;
|
|
}
|
|
|
|
var vertices = new Float32Array(verticesData);
|
|
var n = count; // The number of vertices
|
|
|
|
// Create a buffer object
|
|
var vertexBuffer = gl.createBuffer();
|
|
|
|
// Bind the buffer object to target
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
|
|
// Write date into the buffer object
|
|
gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);
|
|
|
|
// Assign the buffer object to a_Position variable
|
|
gl.vertexAttribPointer(a_Position, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
// Enable the assignment to a_Position variable
|
|
gl.enableVertexAttribArray(a_Position);
|
|
|
|
gl.vertexAttrib1f(a_PointSize, options._size);
|
|
|
|
var colored = getColorData(options.fillStyle || 'red');
|
|
|
|
gl.uniform4f(uFragColor, colored[0] / 255, colored[1] / 255, colored[2] / 255, colored[3] / 255);
|
|
gl.drawArrays(gl.POINTS, 0, n);
|
|
}
|
|
|
|
var point = {
|
|
draw: draw$3
|
|
};
|
|
|
|
function earcut(data, holeIndices, dim) {
|
|
|
|
dim = dim || 2;
|
|
|
|
var hasHoles = holeIndices && holeIndices.length,
|
|
outerLen = hasHoles ? holeIndices[0] * dim : data.length,
|
|
outerNode = linkedList(data, 0, outerLen, dim, true),
|
|
triangles = [];
|
|
|
|
if (!outerNode) return triangles;
|
|
|
|
var minX, minY, maxX, maxY, x, y, size;
|
|
|
|
if (hasHoles) outerNode = eliminateHoles(data, holeIndices, outerNode, dim);
|
|
|
|
// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox
|
|
if (data.length > 80 * dim) {
|
|
minX = maxX = data[0];
|
|
minY = maxY = data[1];
|
|
|
|
for (var i = dim; i < outerLen; i += dim) {
|
|
x = data[i];
|
|
y = data[i + 1];
|
|
if (x < minX) minX = x;
|
|
if (y < minY) minY = y;
|
|
if (x > maxX) maxX = x;
|
|
if (y > maxY) maxY = y;
|
|
}
|
|
|
|
// minX, minY and size are later used to transform coords into integers for z-order calculation
|
|
size = Math.max(maxX - minX, maxY - minY);
|
|
}
|
|
|
|
earcutLinked(outerNode, triangles, dim, minX, minY, size);
|
|
|
|
return triangles;
|
|
}
|
|
|
|
// create a circular doubly linked list from polygon points in the specified winding order
|
|
function linkedList(data, start, end, dim, clockwise) {
|
|
var i, last;
|
|
|
|
if (clockwise === signedArea(data, start, end, dim) > 0) {
|
|
for (i = start; i < end; i += dim) {
|
|
last = insertNode(i, data[i], data[i + 1], last);
|
|
}
|
|
} else {
|
|
for (i = end - dim; i >= start; i -= dim) {
|
|
last = insertNode(i, data[i], data[i + 1], last);
|
|
}
|
|
}
|
|
|
|
if (last && equals(last, last.next)) {
|
|
removeNode(last);
|
|
last = last.next;
|
|
}
|
|
|
|
return last;
|
|
}
|
|
|
|
// eliminate colinear or duplicate points
|
|
function filterPoints(start, end) {
|
|
if (!start) return start;
|
|
if (!end) end = start;
|
|
|
|
var p = start,
|
|
again;
|
|
do {
|
|
again = false;
|
|
|
|
if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) {
|
|
removeNode(p);
|
|
p = end = p.prev;
|
|
if (p === p.next) return null;
|
|
again = true;
|
|
} else {
|
|
p = p.next;
|
|
}
|
|
} while (again || p !== end);
|
|
|
|
return end;
|
|
}
|
|
|
|
// main ear slicing loop which triangulates a polygon (given as a linked list)
|
|
function earcutLinked(ear, triangles, dim, minX, minY, size, pass) {
|
|
if (!ear) return;
|
|
|
|
// interlink polygon nodes in z-order
|
|
if (!pass && size) indexCurve(ear, minX, minY, size);
|
|
|
|
var stop = ear,
|
|
prev,
|
|
next;
|
|
|
|
// iterate through ears, slicing them one by one
|
|
while (ear.prev !== ear.next) {
|
|
prev = ear.prev;
|
|
next = ear.next;
|
|
|
|
if (size ? isEarHashed(ear, minX, minY, size) : isEar(ear)) {
|
|
// cut off the triangle
|
|
triangles.push(prev.i / dim);
|
|
triangles.push(ear.i / dim);
|
|
triangles.push(next.i / dim);
|
|
|
|
removeNode(ear);
|
|
|
|
// skipping the next vertice leads to less sliver triangles
|
|
ear = next.next;
|
|
stop = next.next;
|
|
|
|
continue;
|
|
}
|
|
|
|
ear = next;
|
|
|
|
// if we looped through the whole remaining polygon and can't find any more ears
|
|
if (ear === stop) {
|
|
// try filtering points and slicing again
|
|
if (!pass) {
|
|
earcutLinked(filterPoints(ear), triangles, dim, minX, minY, size, 1);
|
|
|
|
// if this didn't work, try curing all small self-intersections locally
|
|
} else if (pass === 1) {
|
|
ear = cureLocalIntersections(ear, triangles, dim);
|
|
earcutLinked(ear, triangles, dim, minX, minY, size, 2);
|
|
|
|
// as a last resort, try splitting the remaining polygon into two
|
|
} else if (pass === 2) {
|
|
splitEarcut(ear, triangles, dim, minX, minY, size);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// check whether a polygon node forms a valid ear with adjacent nodes
|
|
function isEar(ear) {
|
|
var a = ear.prev,
|
|
b = ear,
|
|
c = ear.next;
|
|
|
|
if (area(a, b, c) >= 0) return false; // reflex, can't be an ear
|
|
|
|
// now make sure we don't have other points inside the potential ear
|
|
var p = ear.next.next;
|
|
|
|
while (p !== ear.prev) {
|
|
if (pointInTriangle(a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;
|
|
p = p.next;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function isEarHashed(ear, minX, minY, size) {
|
|
var a = ear.prev,
|
|
b = ear,
|
|
c = ear.next;
|
|
|
|
if (area(a, b, c) >= 0) return false; // reflex, can't be an ear
|
|
|
|
// triangle bbox; min & max are calculated like this for speed
|
|
var minTX = a.x < b.x ? a.x < c.x ? a.x : c.x : b.x < c.x ? b.x : c.x,
|
|
minTY = a.y < b.y ? a.y < c.y ? a.y : c.y : b.y < c.y ? b.y : c.y,
|
|
maxTX = a.x > b.x ? a.x > c.x ? a.x : c.x : b.x > c.x ? b.x : c.x,
|
|
maxTY = a.y > b.y ? a.y > c.y ? a.y : c.y : b.y > c.y ? b.y : c.y;
|
|
|
|
// z-order range for the current triangle bbox;
|
|
var minZ = zOrder(minTX, minTY, minX, minY, size),
|
|
maxZ = zOrder(maxTX, maxTY, minX, minY, size);
|
|
|
|
// first look for points inside the triangle in increasing z-order
|
|
var p = ear.nextZ;
|
|
|
|
while (p && p.z <= maxZ) {
|
|
if (p !== ear.prev && p !== ear.next && pointInTriangle(a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;
|
|
p = p.nextZ;
|
|
}
|
|
|
|
// then look for points in decreasing z-order
|
|
p = ear.prevZ;
|
|
|
|
while (p && p.z >= minZ) {
|
|
if (p !== ear.prev && p !== ear.next && pointInTriangle(a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;
|
|
p = p.prevZ;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// go through all polygon nodes and cure small local self-intersections
|
|
function cureLocalIntersections(start, triangles, dim) {
|
|
var p = start;
|
|
do {
|
|
var a = p.prev,
|
|
b = p.next.next;
|
|
|
|
if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) {
|
|
|
|
triangles.push(a.i / dim);
|
|
triangles.push(p.i / dim);
|
|
triangles.push(b.i / dim);
|
|
|
|
// remove two nodes involved
|
|
removeNode(p);
|
|
removeNode(p.next);
|
|
|
|
p = start = b;
|
|
}
|
|
p = p.next;
|
|
} while (p !== start);
|
|
|
|
return p;
|
|
}
|
|
|
|
// try splitting polygon into two and triangulate them independently
|
|
function splitEarcut(start, triangles, dim, minX, minY, size) {
|
|
// look for a valid diagonal that divides the polygon into two
|
|
var a = start;
|
|
do {
|
|
var b = a.next.next;
|
|
while (b !== a.prev) {
|
|
if (a.i !== b.i && isValidDiagonal(a, b)) {
|
|
// split the polygon in two by the diagonal
|
|
var c = splitPolygon(a, b);
|
|
|
|
// filter colinear points around the cuts
|
|
a = filterPoints(a, a.next);
|
|
c = filterPoints(c, c.next);
|
|
|
|
// run earcut on each half
|
|
earcutLinked(a, triangles, dim, minX, minY, size);
|
|
earcutLinked(c, triangles, dim, minX, minY, size);
|
|
return;
|
|
}
|
|
b = b.next;
|
|
}
|
|
a = a.next;
|
|
} while (a !== start);
|
|
}
|
|
|
|
// link every hole into the outer loop, producing a single-ring polygon without holes
|
|
function eliminateHoles(data, holeIndices, outerNode, dim) {
|
|
var queue = [],
|
|
i,
|
|
len,
|
|
start,
|
|
end,
|
|
list;
|
|
|
|
for (i = 0, len = holeIndices.length; i < len; i++) {
|
|
start = holeIndices[i] * dim;
|
|
end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;
|
|
list = linkedList(data, start, end, dim, false);
|
|
if (list === list.next) list.steiner = true;
|
|
queue.push(getLeftmost(list));
|
|
}
|
|
|
|
queue.sort(compareX);
|
|
|
|
// process holes from left to right
|
|
for (i = 0; i < queue.length; i++) {
|
|
eliminateHole(queue[i], outerNode);
|
|
outerNode = filterPoints(outerNode, outerNode.next);
|
|
}
|
|
|
|
return outerNode;
|
|
}
|
|
|
|
function compareX(a, b) {
|
|
return a.x - b.x;
|
|
}
|
|
|
|
// find a bridge between vertices that connects hole with an outer ring and and link it
|
|
function eliminateHole(hole, outerNode) {
|
|
outerNode = findHoleBridge(hole, outerNode);
|
|
if (outerNode) {
|
|
var b = splitPolygon(outerNode, hole);
|
|
filterPoints(b, b.next);
|
|
}
|
|
}
|
|
|
|
// David Eberly's algorithm for finding a bridge between hole and outer polygon
|
|
function findHoleBridge(hole, outerNode) {
|
|
var p = outerNode,
|
|
hx = hole.x,
|
|
hy = hole.y,
|
|
qx = -Infinity,
|
|
m;
|
|
|
|
// find a segment intersected by a ray from the hole's leftmost point to the left;
|
|
// segment's endpoint with lesser x will be potential connection point
|
|
do {
|
|
if (hy <= p.y && hy >= p.next.y) {
|
|
var x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y);
|
|
if (x <= hx && x > qx) {
|
|
qx = x;
|
|
if (x === hx) {
|
|
if (hy === p.y) return p;
|
|
if (hy === p.next.y) return p.next;
|
|
}
|
|
m = p.x < p.next.x ? p : p.next;
|
|
}
|
|
}
|
|
p = p.next;
|
|
} while (p !== outerNode);
|
|
|
|
if (!m) return null;
|
|
|
|
if (hx === qx) return m.prev; // hole touches outer segment; pick lower endpoint
|
|
|
|
// look for points inside the triangle of hole point, segment intersection and endpoint;
|
|
// if there are no points found, we have a valid connection;
|
|
// otherwise choose the point of the minimum angle with the ray as connection point
|
|
|
|
var stop = m,
|
|
mx = m.x,
|
|
my = m.y,
|
|
tanMin = Infinity,
|
|
tan;
|
|
|
|
p = m.next;
|
|
|
|
while (p !== stop) {
|
|
if (hx >= p.x && p.x >= mx && pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) {
|
|
|
|
tan = Math.abs(hy - p.y) / (hx - p.x); // tangential
|
|
|
|
if ((tan < tanMin || tan === tanMin && p.x > m.x) && locallyInside(p, hole)) {
|
|
m = p;
|
|
tanMin = tan;
|
|
}
|
|
}
|
|
|
|
p = p.next;
|
|
}
|
|
|
|
return m;
|
|
}
|
|
|
|
// interlink polygon nodes in z-order
|
|
function indexCurve(start, minX, minY, size) {
|
|
var p = start;
|
|
do {
|
|
if (p.z === null) p.z = zOrder(p.x, p.y, minX, minY, size);
|
|
p.prevZ = p.prev;
|
|
p.nextZ = p.next;
|
|
p = p.next;
|
|
} while (p !== start);
|
|
|
|
p.prevZ.nextZ = null;
|
|
p.prevZ = null;
|
|
|
|
sortLinked(p);
|
|
}
|
|
|
|
// Simon Tatham's linked list merge sort algorithm
|
|
// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html
|
|
function sortLinked(list) {
|
|
var i,
|
|
p,
|
|
q,
|
|
e,
|
|
tail,
|
|
numMerges,
|
|
pSize,
|
|
qSize,
|
|
inSize = 1;
|
|
|
|
do {
|
|
p = list;
|
|
list = null;
|
|
tail = null;
|
|
numMerges = 0;
|
|
|
|
while (p) {
|
|
numMerges++;
|
|
q = p;
|
|
pSize = 0;
|
|
for (i = 0; i < inSize; i++) {
|
|
pSize++;
|
|
q = q.nextZ;
|
|
if (!q) break;
|
|
}
|
|
|
|
qSize = inSize;
|
|
|
|
while (pSize > 0 || qSize > 0 && q) {
|
|
|
|
if (pSize === 0) {
|
|
e = q;
|
|
q = q.nextZ;
|
|
qSize--;
|
|
} else if (qSize === 0 || !q) {
|
|
e = p;
|
|
p = p.nextZ;
|
|
pSize--;
|
|
} else if (p.z <= q.z) {
|
|
e = p;
|
|
p = p.nextZ;
|
|
pSize--;
|
|
} else {
|
|
e = q;
|
|
q = q.nextZ;
|
|
qSize--;
|
|
}
|
|
|
|
if (tail) tail.nextZ = e;else list = e;
|
|
|
|
e.prevZ = tail;
|
|
tail = e;
|
|
}
|
|
|
|
p = q;
|
|
}
|
|
|
|
tail.nextZ = null;
|
|
inSize *= 2;
|
|
} while (numMerges > 1);
|
|
|
|
return list;
|
|
}
|
|
|
|
// z-order of a point given coords and size of the data bounding box
|
|
function zOrder(x, y, minX, minY, size) {
|
|
// coords are transformed into non-negative 15-bit integer range
|
|
x = 32767 * (x - minX) / size;
|
|
y = 32767 * (y - minY) / size;
|
|
|
|
x = (x | x << 8) & 0x00FF00FF;
|
|
x = (x | x << 4) & 0x0F0F0F0F;
|
|
x = (x | x << 2) & 0x33333333;
|
|
x = (x | x << 1) & 0x55555555;
|
|
|
|
y = (y | y << 8) & 0x00FF00FF;
|
|
y = (y | y << 4) & 0x0F0F0F0F;
|
|
y = (y | y << 2) & 0x33333333;
|
|
y = (y | y << 1) & 0x55555555;
|
|
|
|
return x | y << 1;
|
|
}
|
|
|
|
// find the leftmost node of a polygon ring
|
|
function getLeftmost(start) {
|
|
var p = start,
|
|
leftmost = start;
|
|
do {
|
|
if (p.x < leftmost.x) leftmost = p;
|
|
p = p.next;
|
|
} while (p !== start);
|
|
|
|
return leftmost;
|
|
}
|
|
|
|
// check if a point lies within a convex triangle
|
|
function pointInTriangle(ax, ay, bx, by, cx, cy, px, py) {
|
|
return (cx - px) * (ay - py) - (ax - px) * (cy - py) >= 0 && (ax - px) * (by - py) - (bx - px) * (ay - py) >= 0 && (bx - px) * (cy - py) - (cx - px) * (by - py) >= 0;
|
|
}
|
|
|
|
// check if a diagonal between two polygon nodes is valid (lies in polygon interior)
|
|
function isValidDiagonal(a, b) {
|
|
return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b);
|
|
}
|
|
|
|
// signed area of a triangle
|
|
function area(p, q, r) {
|
|
return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y);
|
|
}
|
|
|
|
// check if two points are equal
|
|
function equals(p1, p2) {
|
|
return p1.x === p2.x && p1.y === p2.y;
|
|
}
|
|
|
|
// check if two segments intersect
|
|
function intersects(p1, q1, p2, q2) {
|
|
if (equals(p1, q1) && equals(p2, q2) || equals(p1, q2) && equals(p2, q1)) return true;
|
|
return area(p1, q1, p2) > 0 !== area(p1, q1, q2) > 0 && area(p2, q2, p1) > 0 !== area(p2, q2, q1) > 0;
|
|
}
|
|
|
|
// check if a polygon diagonal intersects any polygon segments
|
|
function intersectsPolygon(a, b) {
|
|
var p = a;
|
|
do {
|
|
if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && intersects(p, p.next, a, b)) return true;
|
|
p = p.next;
|
|
} while (p !== a);
|
|
|
|
return false;
|
|
}
|
|
|
|
// check if a polygon diagonal is locally inside the polygon
|
|
function locallyInside(a, b) {
|
|
return area(a.prev, a, a.next) < 0 ? area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 : area(a, b, a.prev) < 0 || area(a, a.next, b) < 0;
|
|
}
|
|
|
|
// check if the middle point of a polygon diagonal is inside the polygon
|
|
function middleInside(a, b) {
|
|
var p = a,
|
|
inside = false,
|
|
px = (a.x + b.x) / 2,
|
|
py = (a.y + b.y) / 2;
|
|
do {
|
|
if (p.y > py !== p.next.y > py && px < (p.next.x - p.x) * (py - p.y) / (p.next.y - p.y) + p.x) inside = !inside;
|
|
p = p.next;
|
|
} while (p !== a);
|
|
|
|
return inside;
|
|
}
|
|
|
|
// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;
|
|
// if one belongs to the outer ring and another to a hole, it merges it into a single ring
|
|
function splitPolygon(a, b) {
|
|
var a2 = new Node(a.i, a.x, a.y),
|
|
b2 = new Node(b.i, b.x, b.y),
|
|
an = a.next,
|
|
bp = b.prev;
|
|
|
|
a.next = b;
|
|
b.prev = a;
|
|
|
|
a2.next = an;
|
|
an.prev = a2;
|
|
|
|
b2.next = a2;
|
|
a2.prev = b2;
|
|
|
|
bp.next = b2;
|
|
b2.prev = bp;
|
|
|
|
return b2;
|
|
}
|
|
|
|
// create a node and optionally link it with previous one (in a circular doubly linked list)
|
|
function insertNode(i, x, y, last) {
|
|
var p = new Node(i, x, y);
|
|
|
|
if (!last) {
|
|
p.prev = p;
|
|
p.next = p;
|
|
} else {
|
|
p.next = last.next;
|
|
p.prev = last;
|
|
last.next.prev = p;
|
|
last.next = p;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
function removeNode(p) {
|
|
p.next.prev = p.prev;
|
|
p.prev.next = p.next;
|
|
|
|
if (p.prevZ) p.prevZ.nextZ = p.nextZ;
|
|
if (p.nextZ) p.nextZ.prevZ = p.prevZ;
|
|
}
|
|
|
|
function Node(i, x, y) {
|
|
// vertice index in coordinates array
|
|
this.i = i;
|
|
|
|
// vertex coordinates
|
|
this.x = x;
|
|
this.y = y;
|
|
|
|
// previous and next vertice nodes in a polygon ring
|
|
this.prev = null;
|
|
this.next = null;
|
|
|
|
// z-order curve value
|
|
this.z = null;
|
|
|
|
// previous and next nodes in z-order
|
|
this.prevZ = null;
|
|
this.nextZ = null;
|
|
|
|
// indicates whether this is a steiner point
|
|
this.steiner = false;
|
|
}
|
|
|
|
// return a percentage difference between the polygon area and its triangulation area;
|
|
// used to verify correctness of triangulation
|
|
earcut.deviation = function (data, holeIndices, dim, triangles) {
|
|
var hasHoles = holeIndices && holeIndices.length;
|
|
var outerLen = hasHoles ? holeIndices[0] * dim : data.length;
|
|
|
|
var polygonArea = Math.abs(signedArea(data, 0, outerLen, dim));
|
|
if (hasHoles) {
|
|
for (var i = 0, len = holeIndices.length; i < len; i++) {
|
|
var start = holeIndices[i] * dim;
|
|
var end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;
|
|
polygonArea -= Math.abs(signedArea(data, start, end, dim));
|
|
}
|
|
}
|
|
|
|
var trianglesArea = 0;
|
|
for (i = 0; i < triangles.length; i += 3) {
|
|
var a = triangles[i] * dim;
|
|
var b = triangles[i + 1] * dim;
|
|
var c = triangles[i + 2] * dim;
|
|
trianglesArea += Math.abs((data[a] - data[c]) * (data[b + 1] - data[a + 1]) - (data[a] - data[b]) * (data[c + 1] - data[a + 1]));
|
|
}
|
|
|
|
return polygonArea === 0 && trianglesArea === 0 ? 0 : Math.abs((trianglesArea - polygonArea) / polygonArea);
|
|
};
|
|
|
|
function signedArea(data, start, end, dim) {
|
|
var sum = 0;
|
|
for (var i = start, j = end - dim; i < end; i += dim) {
|
|
sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]);
|
|
j = i;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
// turn a polygon in a multi-dimensional array form (e.g. as in GeoJSON) into a form Earcut accepts
|
|
earcut.flatten = function (data) {
|
|
var dim = data[0][0].length,
|
|
result = { vertices: [], holes: [], dimensions: dim },
|
|
holeIndex = 0;
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
for (var j = 0; j < data[i].length; j++) {
|
|
for (var d = 0; d < dim; d++) {
|
|
result.vertices.push(data[i][j][d]);
|
|
}
|
|
}
|
|
if (i > 0) {
|
|
holeIndex += data[i - 1].length;
|
|
result.holes.push(holeIndex);
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
var vs_s$2 = ['attribute vec4 a_Position;', 'void main() {', 'gl_Position = a_Position;', 'gl_PointSize = 30.0;', '}'].join('');
|
|
|
|
var fs_s$2 = ['precision mediump float;', 'uniform vec4 u_FragColor;', 'void main() {', 'gl_FragColor = u_FragColor;', '}'].join('');
|
|
|
|
function draw$4(gl, data, options) {
|
|
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
// gl.clearColor(0.0, 0.0, 0.0, 1.0);
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
|
|
|
|
var program = initShaders(gl, vs_s$2, fs_s$2);
|
|
|
|
gl.enable(gl.BLEND);
|
|
gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
|
|
|
|
var halfCanvasWidth = gl.canvas.width / 2;
|
|
var halfCanvasHeight = gl.canvas.height / 2;
|
|
|
|
// Bind the buffer object to target
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer());
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.createBuffer());
|
|
|
|
var a_Position = gl.getAttribLocation(program, 'a_Position');
|
|
// Assign the buffer object to a_Position variable
|
|
gl.vertexAttribPointer(a_Position, 2, gl.FLOAT, false, 0, 0);
|
|
|
|
// Enable the assignment to a_Position variable
|
|
gl.enableVertexAttribArray(a_Position);
|
|
|
|
var uFragColor = gl.getUniformLocation(program, 'u_FragColor');
|
|
|
|
var colored = getColorData(options.fillStyle || 'red');
|
|
|
|
gl.uniform4f(uFragColor, colored[0] / 255, colored[1] / 255, colored[2] / 255, colored[3] / 255);
|
|
|
|
gl.lineWidth(options.lineWidth || 1);
|
|
|
|
var verticesArr = [];
|
|
var trianglesArr = [];
|
|
|
|
var maxSize = 65536;
|
|
var indexOffset = 0;
|
|
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
|
|
var flatten = earcut.flatten(data[i].geometry._coordinates || data[i].geometry.coordinates);
|
|
var vertices = flatten.vertices;
|
|
indexOffset = verticesArr.length / 2;
|
|
for (var j = 0; j < vertices.length; j += 2) {
|
|
vertices[j] = (vertices[j] - halfCanvasWidth) / halfCanvasWidth;
|
|
vertices[j + 1] = (halfCanvasHeight - vertices[j + 1]) / halfCanvasHeight;
|
|
}
|
|
|
|
if ((verticesArr.length + vertices.length) / 2 > maxSize) {
|
|
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(verticesArr), gl.STATIC_DRAW);
|
|
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(trianglesArr), gl.STATIC_DRAW);
|
|
gl.drawElements(gl.TRIANGLES, trianglesArr.length, gl.UNSIGNED_SHORT, 0);
|
|
verticesArr.length = 0;
|
|
trianglesArr.length = 0;
|
|
indexOffset = 0;
|
|
}
|
|
|
|
for (var j = 0; j < vertices.length; j++) {
|
|
verticesArr.push(vertices[j]);
|
|
}
|
|
|
|
var triangles = earcut(vertices, flatten.holes, flatten.dimensions);
|
|
for (var j = 0; j < triangles.length; j++) {
|
|
trianglesArr.push(triangles[j] + indexOffset);
|
|
}
|
|
}
|
|
|
|
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(verticesArr), gl.STATIC_DRAW);
|
|
gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(trianglesArr), gl.STATIC_DRAW);
|
|
gl.drawElements(gl.TRIANGLES, trianglesArr.length, gl.UNSIGNED_SHORT, 0);
|
|
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, null);
|
|
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
|
|
}
|
|
|
|
var polygon = {
|
|
draw: draw$4
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
var webglDrawSimple = {
|
|
draw: function draw(gl, dataSet, options) {
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
if (data.length > 0) {
|
|
if (data[0].geometry.type == "LineString") {
|
|
line.draw(gl, data, options);
|
|
} else if (data[0].geometry.type == "Polygon" || data[0].geometry.type == "MultiPolygon") {
|
|
polygon.draw(gl, data, options);
|
|
} else {
|
|
point.draw(gl, data, options);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 根据弧线的坐标节点数组
|
|
*/
|
|
function getCurvePoints(points, options) {
|
|
options = options || {};
|
|
var curvePoints = [];
|
|
for (var i = 0; i < points.length - 1; i++) {
|
|
var p = getCurveByTwoPoints(points[i], points[i + 1], options.count);
|
|
if (p && p.length > 0) {
|
|
curvePoints = curvePoints.concat(p);
|
|
}
|
|
}
|
|
return curvePoints;
|
|
}
|
|
|
|
/**
|
|
* 根据两点获取曲线坐标点数组
|
|
* @param Point 起点
|
|
* @param Point 终点
|
|
*/
|
|
function getCurveByTwoPoints(obj1, obj2, count) {
|
|
if (!obj1 || !obj2) {
|
|
return null;
|
|
}
|
|
|
|
var B1 = function B1(x) {
|
|
return 1 - 2 * x + x * x;
|
|
};
|
|
var B2 = function B2(x) {
|
|
return 2 * x - 2 * x * x;
|
|
};
|
|
var B3 = function B3(x) {
|
|
return x * x;
|
|
};
|
|
|
|
var curveCoordinates = [];
|
|
|
|
var count = count || 40; // 曲线是由一些小的线段组成的，这个表示这个曲线所有到的折线的个数
|
|
var isFuture = false;
|
|
var t, h, h2, lat3, lng3, j, t2;
|
|
var LnArray = [];
|
|
var i = 0;
|
|
var inc = 0;
|
|
|
|
if (typeof obj2 == "undefined") {
|
|
if (typeof curveCoordinates != "undefined") {
|
|
curveCoordinates = [];
|
|
}
|
|
return;
|
|
}
|
|
|
|
var lat1 = parseFloat(obj1.lat);
|
|
var lat2 = parseFloat(obj2.lat);
|
|
var lng1 = parseFloat(obj1.lng);
|
|
var lng2 = parseFloat(obj2.lng);
|
|
|
|
// 计算曲线角度的方法
|
|
if (lng2 > lng1) {
|
|
if (parseFloat(lng2 - lng1) > 180) {
|
|
if (lng1 < 0) {
|
|
lng1 = parseFloat(180 + 180 + lng1);
|
|
lng2 = parseFloat(180 + 180 + lng2);
|
|
}
|
|
}
|
|
}
|
|
// 此时纠正了 lng1 lng2
|
|
j = 0;
|
|
t2 = 0;
|
|
// 纬度相同
|
|
if (lat2 == lat1) {
|
|
t = 0;
|
|
h = lng1 - lng2;
|
|
// 经度相同
|
|
} else if (lng2 == lng1) {
|
|
t = Math.PI / 2;
|
|
h = lat1 - lat2;
|
|
} else {
|
|
t = Math.atan((lat2 - lat1) / (lng2 - lng1));
|
|
h = (lat2 - lat1) / Math.sin(t);
|
|
}
|
|
if (t2 == 0) {
|
|
t2 = t + Math.PI / 5;
|
|
}
|
|
h2 = h / 2;
|
|
lng3 = h2 * Math.cos(t2) + lng1;
|
|
lat3 = h2 * Math.sin(t2) + lat1;
|
|
|
|
for (i = 0; i < count + 1; i++) {
|
|
var x = lng1 * B1(inc) + lng3 * B2(inc) + lng2 * B3(inc);
|
|
var y = lat1 * B1(inc) + lat3 * B2(inc) + lat2 * B3(inc);
|
|
var lng1_src = obj1.lng;
|
|
var lng2_src = obj2.lng;
|
|
|
|
curveCoordinates.push([lng1_src < 0 && lng2_src > 0 ? x - 360 : x, y]);
|
|
inc = inc + 1 / count;
|
|
}
|
|
return curveCoordinates;
|
|
}
|
|
|
|
var curve = {
|
|
getPoints: getCurvePoints
|
|
};
|
|
|
|
/*
|
|
FDEB algorithm implementation [www.win.tue.nl/~dholten/papers/forcebundles_eurovis.pdf].
|
|
|
|
Author: (github.com/upphiminn)
|
|
2013
|
|
|
|
*/
|
|
|
|
var ForceEdgeBundling = function ForceEdgeBundling() {
|
|
var data_nodes = {},
|
|
// {'nodeid':{'x':,'y':},..}
|
|
data_edges = [],
|
|
// [{'source':'nodeid1', 'target':'nodeid2'},..]
|
|
compatibility_list_for_edge = [],
|
|
subdivision_points_for_edge = [],
|
|
K = 0.1,
|
|
// global bundling constant controling edge stiffness
|
|
S_initial = 0.1,
|
|
// init. distance to move points
|
|
P_initial = 1,
|
|
// init. subdivision number
|
|
P_rate = 2,
|
|
// subdivision rate increase
|
|
C = 6,
|
|
// number of cycles to perform
|
|
I_initial = 70,
|
|
// init. number of iterations for cycle
|
|
I_rate = 0.6666667,
|
|
// rate at which iteration number decreases i.e. 2/3
|
|
compatibility_threshold = 0.6,
|
|
invers_quadratic_mode = false,
|
|
eps = 1e-8;
|
|
|
|
/*** Geometry Helper Methods ***/
|
|
function vector_dot_product(p, q) {
|
|
return p.x * q.x + p.y * q.y;
|
|
}
|
|
|
|
function edge_as_vector(P) {
|
|
return { 'x': data_nodes[P.target].x - data_nodes[P.source].x,
|
|
'y': data_nodes[P.target].y - data_nodes[P.source].y };
|
|
}
|
|
|
|
function edge_length(e) {
|
|
return Math.sqrt(Math.pow(data_nodes[e.source].x - data_nodes[e.target].x, 2) + Math.pow(data_nodes[e.source].y - data_nodes[e.target].y, 2));
|
|
}
|
|
|
|
function custom_edge_length(e) {
|
|
return Math.sqrt(Math.pow(e.source.x - e.target.x, 2) + Math.pow(e.source.y - e.target.y, 2));
|
|
}
|
|
|
|
function edge_midpoint(e) {
|
|
var middle_x = (data_nodes[e.source].x + data_nodes[e.target].x) / 2.0;
|
|
var middle_y = (data_nodes[e.source].y + data_nodes[e.target].y) / 2.0;
|
|
return { 'x': middle_x, 'y': middle_y };
|
|
}
|
|
|
|
function compute_divided_edge_length(e_idx) {
|
|
var length = 0;
|
|
for (var i = 1; i < subdivision_points_for_edge[e_idx].length; i++) {
|
|
var segment_length = euclidean_distance(subdivision_points_for_edge[e_idx][i], subdivision_points_for_edge[e_idx][i - 1]);
|
|
length += segment_length;
|
|
}
|
|
return length;
|
|
}
|
|
|
|
function euclidean_distance(p, q) {
|
|
return Math.sqrt(Math.pow(p.x - q.x, 2) + Math.pow(p.y - q.y, 2));
|
|
}
|
|
|
|
function project_point_on_line(p, Q) {
|
|
var L = Math.sqrt((Q.target.x - Q.source.x) * (Q.target.x - Q.source.x) + (Q.target.y - Q.source.y) * (Q.target.y - Q.source.y));
|
|
var r = ((Q.source.y - p.y) * (Q.source.y - Q.target.y) - (Q.source.x - p.x) * (Q.target.x - Q.source.x)) / (L * L);
|
|
|
|
return { 'x': Q.source.x + r * (Q.target.x - Q.source.x), 'y': Q.source.y + r * (Q.target.y - Q.source.y) };
|
|
}
|
|
|
|
/*** ********************** ***/
|
|
|
|
/*** Initialization Methods ***/
|
|
function initialize_edge_subdivisions() {
|
|
for (var i = 0; i < data_edges.length; i++) {
|
|
if (P_initial == 1) subdivision_points_for_edge[i] = []; //0 subdivisions
|
|
else {
|
|
subdivision_points_for_edge[i] = [];
|
|
subdivision_points_for_edge[i].push(data_nodes[data_edges[i].source]);
|
|
subdivision_points_for_edge[i].push(data_nodes[data_edges[i].target]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function initialize_compatibility_lists() {
|
|
for (var i = 0; i < data_edges.length; i++) {
|
|
compatibility_list_for_edge[i] = [];
|
|
} //0 compatible edges.
|
|
}
|
|
|
|
function filter_self_loops(edgelist) {
|
|
var filtered_edge_list = [];
|
|
for (var e = 0; e < edgelist.length; e++) {
|
|
if (data_nodes[edgelist[e].source].x != data_nodes[edgelist[e].target].x && data_nodes[edgelist[e].source].y != data_nodes[edgelist[e].target].y) {
|
|
//or smaller than eps
|
|
filtered_edge_list.push(edgelist[e]);
|
|
}
|
|
}
|
|
|
|
return filtered_edge_list;
|
|
}
|
|
/*** ********************** ***/
|
|
|
|
/*** Force Calculation Methods ***/
|
|
function apply_spring_force(e_idx, i, kP) {
|
|
|
|
var prev = subdivision_points_for_edge[e_idx][i - 1];
|
|
var next = subdivision_points_for_edge[e_idx][i + 1];
|
|
var crnt = subdivision_points_for_edge[e_idx][i];
|
|
|
|
var x = prev.x - crnt.x + next.x - crnt.x;
|
|
var y = prev.y - crnt.y + next.y - crnt.y;
|
|
|
|
x *= kP;
|
|
y *= kP;
|
|
|
|
return { 'x': x, 'y': y };
|
|
}
|
|
|
|
function apply_electrostatic_force(e_idx, i, S) {
|
|
var sum_of_forces = { 'x': 0, 'y': 0 };
|
|
var compatible_edges_list = compatibility_list_for_edge[e_idx];
|
|
|
|
for (var oe = 0; oe < compatible_edges_list.length; oe++) {
|
|
var force = { 'x': subdivision_points_for_edge[compatible_edges_list[oe]][i].x - subdivision_points_for_edge[e_idx][i].x,
|
|
'y': subdivision_points_for_edge[compatible_edges_list[oe]][i].y - subdivision_points_for_edge[e_idx][i].y };
|
|
|
|
if (Math.abs(force.x) > eps || Math.abs(force.y) > eps) {
|
|
|
|
var diff = 1 / Math.pow(custom_edge_length({ 'source': subdivision_points_for_edge[compatible_edges_list[oe]][i],
|
|
'target': subdivision_points_for_edge[e_idx][i] }), 1);
|
|
|
|
sum_of_forces.x += force.x * diff;
|
|
sum_of_forces.y += force.y * diff;
|
|
}
|
|
}
|
|
return sum_of_forces;
|
|
}
|
|
|
|
function apply_resulting_forces_on_subdivision_points(e_idx, P, S) {
|
|
var kP = K / (edge_length(data_edges[e_idx]) * (P + 1)); // kP=K/|P|(number of segments), where |P| is the initial length of edge P.
|
|
// (length * (num of sub division pts - 1))
|
|
var resulting_forces_for_subdivision_points = [{ 'x': 0, 'y': 0 }];
|
|
for (var i = 1; i < P + 1; i++) {
|
|
// exclude initial end points of the edge 0 and P+1
|
|
var resulting_force = { 'x': 0, 'y': 0 };
|
|
|
|
var spring_force = apply_spring_force(e_idx, i, kP);
|
|
var electrostatic_force = apply_electrostatic_force(e_idx, i, S);
|
|
|
|
resulting_force.x = S * (spring_force.x + electrostatic_force.x);
|
|
resulting_force.y = S * (spring_force.y + electrostatic_force.y);
|
|
|
|
resulting_forces_for_subdivision_points.push(resulting_force);
|
|
}
|
|
resulting_forces_for_subdivision_points.push({ 'x': 0, 'y': 0 });
|
|
return resulting_forces_for_subdivision_points;
|
|
}
|
|
/*** ********************** ***/
|
|
|
|
/*** Edge Division Calculation Methods ***/
|
|
function update_edge_divisions(P) {
|
|
for (var e_idx = 0; e_idx < data_edges.length; e_idx++) {
|
|
|
|
if (P == 1) {
|
|
subdivision_points_for_edge[e_idx].push(data_nodes[data_edges[e_idx].source]); // source
|
|
subdivision_points_for_edge[e_idx].push(edge_midpoint(data_edges[e_idx])); // mid point
|
|
subdivision_points_for_edge[e_idx].push(data_nodes[data_edges[e_idx].target]); // target
|
|
} else {
|
|
|
|
var divided_edge_length = compute_divided_edge_length(e_idx);
|
|
var segment_length = divided_edge_length / (P + 1);
|
|
var current_segment_length = segment_length;
|
|
var new_subdivision_points = [];
|
|
new_subdivision_points.push(data_nodes[data_edges[e_idx].source]); //source
|
|
|
|
for (var i = 1; i < subdivision_points_for_edge[e_idx].length; i++) {
|
|
var old_segment_length = euclidean_distance(subdivision_points_for_edge[e_idx][i], subdivision_points_for_edge[e_idx][i - 1]);
|
|
|
|
while (old_segment_length > current_segment_length) {
|
|
var percent_position = current_segment_length / old_segment_length;
|
|
var new_subdivision_point_x = subdivision_points_for_edge[e_idx][i - 1].x;
|
|
var new_subdivision_point_y = subdivision_points_for_edge[e_idx][i - 1].y;
|
|
|
|
new_subdivision_point_x += percent_position * (subdivision_points_for_edge[e_idx][i].x - subdivision_points_for_edge[e_idx][i - 1].x);
|
|
new_subdivision_point_y += percent_position * (subdivision_points_for_edge[e_idx][i].y - subdivision_points_for_edge[e_idx][i - 1].y);
|
|
new_subdivision_points.push({ 'x': new_subdivision_point_x,
|
|
'y': new_subdivision_point_y });
|
|
|
|
old_segment_length -= current_segment_length;
|
|
current_segment_length = segment_length;
|
|
}
|
|
current_segment_length -= old_segment_length;
|
|
}
|
|
new_subdivision_points.push(data_nodes[data_edges[e_idx].target]); //target
|
|
subdivision_points_for_edge[e_idx] = new_subdivision_points;
|
|
}
|
|
}
|
|
}
|
|
/*** ********************** ***/
|
|
|
|
/*** Edge compatibility measures ***/
|
|
function angle_compatibility(P, Q) {
|
|
var result = Math.abs(vector_dot_product(edge_as_vector(P), edge_as_vector(Q)) / (edge_length(P) * edge_length(Q)));
|
|
return result;
|
|
}
|
|
|
|
function scale_compatibility(P, Q) {
|
|
var lavg = (edge_length(P) + edge_length(Q)) / 2.0;
|
|
var result = 2.0 / (lavg / Math.min(edge_length(P), edge_length(Q)) + Math.max(edge_length(P), edge_length(Q)) / lavg);
|
|
return result;
|
|
}
|
|
|
|
function position_compatibility(P, Q) {
|
|
var lavg = (edge_length(P) + edge_length(Q)) / 2.0;
|
|
var midP = { 'x': (data_nodes[P.source].x + data_nodes[P.target].x) / 2.0,
|
|
'y': (data_nodes[P.source].y + data_nodes[P.target].y) / 2.0 };
|
|
var midQ = { 'x': (data_nodes[Q.source].x + data_nodes[Q.target].x) / 2.0,
|
|
'y': (data_nodes[Q.source].y + data_nodes[Q.target].y) / 2.0 };
|
|
var result = lavg / (lavg + euclidean_distance(midP, midQ));
|
|
return result;
|
|
}
|
|
|
|
function edge_visibility(P, Q) {
|
|
var I0 = project_point_on_line(data_nodes[Q.source], { 'source': data_nodes[P.source],
|
|
'target': data_nodes[P.target] });
|
|
var I1 = project_point_on_line(data_nodes[Q.target], { 'source': data_nodes[P.source],
|
|
'target': data_nodes[P.target] }); //send acutal edge points positions
|
|
var midI = { 'x': (I0.x + I1.x) / 2.0,
|
|
'y': (I0.y + I1.y) / 2.0 };
|
|
var midP = { 'x': (data_nodes[P.source].x + data_nodes[P.target].x) / 2.0,
|
|
'y': (data_nodes[P.source].y + data_nodes[P.target].y) / 2.0 };
|
|
var result = Math.max(0, 1 - 2 * euclidean_distance(midP, midI) / euclidean_distance(I0, I1));
|
|
return result;
|
|
}
|
|
|
|
function visibility_compatibility(P, Q) {
|
|
return Math.min(edge_visibility(P, Q), edge_visibility(Q, P));
|
|
}
|
|
|
|
function compatibility_score(P, Q) {
|
|
var result = angle_compatibility(P, Q) * scale_compatibility(P, Q) * position_compatibility(P, Q) * visibility_compatibility(P, Q);
|
|
|
|
return result;
|
|
}
|
|
|
|
function are_compatible(P, Q) {
|
|
// console.log('compatibility ' + P.source +' - '+ P.target + ' and ' + Q.source +' '+ Q.target);
|
|
return compatibility_score(P, Q) >= compatibility_threshold;
|
|
}
|
|
|
|
function compute_compatibility_lists() {
|
|
for (var e = 0; e < data_edges.length - 1; e++) {
|
|
for (var oe = e + 1; oe < data_edges.length; oe++) {
|
|
// don't want any duplicates
|
|
if (e == oe) continue;else {
|
|
if (are_compatible(data_edges[e], data_edges[oe])) {
|
|
compatibility_list_for_edge[e].push(oe);
|
|
compatibility_list_for_edge[oe].push(e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*** ************************ ***/
|
|
|
|
/*** Main Bundling Loop Methods ***/
|
|
var forcebundle = function forcebundle() {
|
|
var S = S_initial;
|
|
var I = I_initial;
|
|
var P = P_initial;
|
|
|
|
initialize_edge_subdivisions();
|
|
initialize_compatibility_lists();
|
|
update_edge_divisions(P);
|
|
compute_compatibility_lists();
|
|
for (var cycle = 0; cycle < C; cycle++) {
|
|
for (var iteration = 0; iteration < I; iteration++) {
|
|
var forces = [];
|
|
for (var edge = 0; edge < data_edges.length; edge++) {
|
|
forces[edge] = apply_resulting_forces_on_subdivision_points(edge, P, S);
|
|
}
|
|
for (var e = 0; e < data_edges.length; e++) {
|
|
for (var i = 0; i < P + 1; i++) {
|
|
subdivision_points_for_edge[e][i].x += forces[e][i].x;
|
|
subdivision_points_for_edge[e][i].y += forces[e][i].y;
|
|
}
|
|
}
|
|
}
|
|
//prepare for next cycle
|
|
S = S / 2;
|
|
P = P * 2;
|
|
I = I_rate * I;
|
|
|
|
update_edge_divisions(P);
|
|
// console.log('C' + cycle);
|
|
// console.log('P' + P);
|
|
// console.log('S' + S);
|
|
}
|
|
return subdivision_points_for_edge;
|
|
};
|
|
/*** ************************ ***/
|
|
|
|
/*** Getters/Setters Methods ***/
|
|
forcebundle.nodes = function (nl) {
|
|
if (arguments.length == 0) {
|
|
return data_nodes;
|
|
} else {
|
|
data_nodes = nl;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.edges = function (ll) {
|
|
if (arguments.length == 0) {
|
|
return data_edges;
|
|
} else {
|
|
data_edges = filter_self_loops(ll); //remove edges to from to the same point
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.bundling_stiffness = function (k) {
|
|
if (arguments.length == 0) {
|
|
return K;
|
|
} else {
|
|
K = k;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.step_size = function (step) {
|
|
if (arguments.length == 0) {
|
|
return S_initial;
|
|
} else {
|
|
S_initial = step;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.cycles = function (c) {
|
|
if (arguments.length == 0) {
|
|
return C;
|
|
} else {
|
|
C = c;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.iterations = function (i) {
|
|
if (arguments.length == 0) {
|
|
return I_initial;
|
|
} else {
|
|
I_initial = i;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.iterations_rate = function (i) {
|
|
if (arguments.length == 0) {
|
|
return I_rate;
|
|
} else {
|
|
I_rate = i;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.subdivision_points_seed = function (p) {
|
|
if (arguments.length == 0) {
|
|
return P;
|
|
} else {
|
|
P = p;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.subdivision_rate = function (r) {
|
|
if (arguments.length == 0) {
|
|
return P_rate;
|
|
} else {
|
|
P_rate = r;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
forcebundle.compatbility_threshold = function (t) {
|
|
if (arguments.length == 0) {
|
|
return compatbility_threshold;
|
|
} else {
|
|
compatibility_threshold = t;
|
|
}
|
|
return forcebundle;
|
|
};
|
|
|
|
/*** ************************ ***/
|
|
|
|
return forcebundle;
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
/**
|
|
* Category
|
|
* @param {Object} splitList:
|
|
* {
|
|
* other: 1,
|
|
* 1: 2,
|
|
* 2: 3,
|
|
* 3: 4,
|
|
* 4: 5,
|
|
* 5: 6,
|
|
* 6: 7
|
|
* }
|
|
*/
|
|
function Category(splitList) {
|
|
this.splitList = splitList || {
|
|
other: 1
|
|
};
|
|
}
|
|
|
|
Category.prototype.get = function (count) {
|
|
|
|
var splitList = this.splitList;
|
|
|
|
var value = splitList['other'];
|
|
|
|
for (var i in splitList) {
|
|
if (count == i) {
|
|
value = splitList[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* 根据DataSet自动生成对应的splitList
|
|
*/
|
|
Category.prototype.generateByDataSet = function (dataSet, color) {
|
|
var colors = color || ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
|
|
var data = dataSet.get();
|
|
this.splitList = {};
|
|
var count = 0;
|
|
for (var i = 0; i < data.length; i++) {
|
|
if (this.splitList[data[i].count] === undefined) {
|
|
this.splitList[data[i].count] = colors[count];
|
|
count++;
|
|
}
|
|
if (count >= colors.length - 1) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.splitList['other'] = colors[colors.length - 1];
|
|
};
|
|
|
|
Category.prototype.getLegend = function (options) {
|
|
var splitList = this.splitList;
|
|
var container = document.createElement('div');
|
|
container.style.cssText = "background:#fff; padding: 5px; border: 1px solid #ccc;";
|
|
var html = '';
|
|
for (var key in splitList) {
|
|
html += '<div style="line-height: 19px;" value="' + key + '"><span style="vertical-align: -2px; display: inline-block; width: 30px;height: 19px;background:' + splitList[key] + ';"></span><span style="margin-left: 3px;">' + key + '<span></div>';
|
|
}
|
|
container.innerHTML = html;
|
|
return container;
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
/**
|
|
* Choropleth
|
|
* @param {Object} splitList:
|
|
* [
|
|
* {
|
|
* start: 0,
|
|
* end: 2,
|
|
* value: randomColor()
|
|
* },{
|
|
* start: 2,
|
|
* end: 4,
|
|
* value: randomColor()
|
|
* },{
|
|
* start: 4,
|
|
* value: randomColor()
|
|
* }
|
|
* ];
|
|
*
|
|
*/
|
|
function Choropleth(splitList) {
|
|
this.splitList = splitList || [{
|
|
start: 0,
|
|
value: 'red'
|
|
}];
|
|
}
|
|
|
|
Choropleth.prototype.get = function (count) {
|
|
var splitList = this.splitList;
|
|
|
|
var value = false;
|
|
|
|
for (var i = 0; i < splitList.length; i++) {
|
|
if ((splitList[i].start === undefined || splitList[i].start !== undefined && count >= splitList[i].start) && (splitList[i].end === undefined || splitList[i].end !== undefined && count < splitList[i].end)) {
|
|
value = splitList[i].value;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* 根据DataSet自动生成对应的splitList
|
|
*/
|
|
Choropleth.prototype.generateByDataSet = function (dataSet) {
|
|
|
|
var min = dataSet.getMin('count');
|
|
var max = dataSet.getMax('count');
|
|
|
|
this.generateByMinMax(min, max);
|
|
};
|
|
|
|
/**
|
|
* 根据DataSet自动生成对应的splitList
|
|
*/
|
|
Choropleth.prototype.generateByMinMax = function (min, max) {
|
|
var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
|
|
var splitNum = Number((max - min) / 7);
|
|
// console.log(splitNum)
|
|
max = Number(max);
|
|
var index = Number(min);
|
|
this.splitList = [];
|
|
var count = 0;
|
|
|
|
while (index < max) {
|
|
this.splitList.push({
|
|
start: index,
|
|
end: index + splitNum,
|
|
value: colors[count]
|
|
});
|
|
count++;
|
|
index += splitNum;
|
|
// console.log(index, max)
|
|
}
|
|
// console.log('splitNum')
|
|
};
|
|
|
|
Choropleth.prototype.getLegend = function (options) {
|
|
var splitList = this.splitList;
|
|
};
|
|
|
|
/**
|
|
* @author Mofei<http://www.zhuwenlong.com>
|
|
*/
|
|
|
|
var MapHelper = function () {
|
|
function MapHelper(id, type, opt) {
|
|
classCallCheck(this, MapHelper);
|
|
|
|
if (!id || !type) {
|
|
console.warn('id 和 type 为必填项');
|
|
return false;
|
|
}
|
|
|
|
if (type == 'baidu') {
|
|
if (!BMap) {
|
|
console.warn('请先引入百度地图JS API');
|
|
return false;
|
|
}
|
|
} else {
|
|
console.warn('暂不支持你的地图类型');
|
|
}
|
|
this.type = type;
|
|
var center = opt && opt.center ? opt.center : [106.962497, 38.208726];
|
|
var zoom = opt && opt.zoom ? opt.zoom : 5;
|
|
var map = this.map = new BMap.Map(id, {
|
|
enableMapClick: false
|
|
});
|
|
map.centerAndZoom(new BMap.Point(center[0], center[1]), zoom);
|
|
map.enableScrollWheelZoom(true);
|
|
|
|
map.setMapStyle({
|
|
style: 'light'
|
|
});
|
|
}
|
|
|
|
createClass(MapHelper, [{
|
|
key: 'addLayer',
|
|
value: function addLayer(datas, options) {
|
|
if (this.type == 'baidu') {
|
|
return new mapv.baiduMapLayer(this.map, dataSet, options);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'getMap',
|
|
value: function getMap() {
|
|
return this.map;
|
|
}
|
|
}]);
|
|
return MapHelper;
|
|
}();
|
|
|
|
/**
|
|
* 一直覆盖在当前地图视野的Canvas对象
|
|
*
|
|
* @author nikai (@胖嘟嘟的骨头, nikai@baidu.com)
|
|
*
|
|
* @param
|
|
* {
|
|
* map 地图实例对象
|
|
* }
|
|
*/
|
|
|
|
function CanvasLayer(options) {
|
|
this.options = options || {};
|
|
this.paneName = this.options.paneName || 'mapPane';
|
|
this.context = this.options.context || '2d';
|
|
this.zIndex = this.options.zIndex || 0;
|
|
this.mixBlendMode = this.options.mixBlendMode || null;
|
|
this.enableMassClear = this.options.enableMassClear;
|
|
this._map = options.map;
|
|
this._lastDrawTime = null;
|
|
this.show();
|
|
}
|
|
|
|
var global$3 = typeof window === 'undefined' ? {} : window;
|
|
|
|
if (global$3.BMap) {
|
|
|
|
CanvasLayer.prototype = new BMap.Overlay();
|
|
|
|
CanvasLayer.prototype.initialize = function (map) {
|
|
this._map = map;
|
|
var canvas = this.canvas = document.createElement("canvas");
|
|
canvas.style.cssText = "position:absolute;" + "left:0;" + "top:0;" + "z-index:" + this.zIndex + ";user-select:none;";
|
|
canvas.style.mixBlendMode = this.mixBlendMode;
|
|
this.adjustSize();
|
|
map.getPanes()[this.paneName].appendChild(canvas);
|
|
var that = this;
|
|
map.addEventListener('resize', function () {
|
|
that.adjustSize();
|
|
that._draw();
|
|
});
|
|
/*
|
|
map.addEventListener('moving', function() {
|
|
that._draw();
|
|
});
|
|
*/
|
|
return this.canvas;
|
|
};
|
|
|
|
CanvasLayer.prototype.adjustSize = function () {
|
|
var size = this._map.getSize();
|
|
var canvas = this.canvas;
|
|
|
|
var devicePixelRatio = this.devicePixelRatio = global$3.devicePixelRatio || 1;
|
|
|
|
canvas.width = size.width * devicePixelRatio;
|
|
canvas.height = size.height * devicePixelRatio;
|
|
if (this.context == '2d') {
|
|
canvas.getContext(this.context).scale(devicePixelRatio, devicePixelRatio);
|
|
}
|
|
|
|
canvas.style.width = size.width + "px";
|
|
canvas.style.height = size.height + "px";
|
|
};
|
|
|
|
CanvasLayer.prototype.draw = function () {
|
|
var self = this;
|
|
clearTimeout(self.timeoutID);
|
|
self.timeoutID = setTimeout(function () {
|
|
self._draw();
|
|
}, 15);
|
|
};
|
|
|
|
CanvasLayer.prototype._draw = function () {
|
|
var map = this._map;
|
|
var size = map.getSize();
|
|
var center = map.getCenter();
|
|
if (center) {
|
|
var pixel = map.pointToOverlayPixel(center);
|
|
this.canvas.style.left = pixel.x - size.width / 2 + 'px';
|
|
this.canvas.style.top = pixel.y - size.height / 2 + 'px';
|
|
this.dispatchEvent('draw');
|
|
this.options.update && this.options.update.call(this);
|
|
}
|
|
};
|
|
|
|
CanvasLayer.prototype.getContainer = function () {
|
|
return this.canvas;
|
|
};
|
|
|
|
CanvasLayer.prototype.show = function () {
|
|
if (!this.canvas) {
|
|
this._map.addOverlay(this);
|
|
}
|
|
this.canvas.style.display = "block";
|
|
};
|
|
|
|
CanvasLayer.prototype.hide = function () {
|
|
this.canvas.style.display = "none";
|
|
//this._map.removeOverlay(this);
|
|
};
|
|
|
|
CanvasLayer.prototype.setZIndex = function (zIndex) {
|
|
this.zIndex = zIndex;
|
|
this.canvas.style.zIndex = this.zIndex;
|
|
};
|
|
|
|
CanvasLayer.prototype.getZIndex = function () {
|
|
return this.zIndex;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Tween.js - Licensed under the MIT license
|
|
* https://github.com/tweenjs/tween.js
|
|
* ----------------------------------------------
|
|
*
|
|
* See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.
|
|
* Thank you all, you're awesome!
|
|
*/
|
|
|
|
var TWEEN = TWEEN || function () {
|
|
|
|
var _tweens = [];
|
|
|
|
return {
|
|
|
|
getAll: function getAll() {
|
|
|
|
return _tweens;
|
|
},
|
|
|
|
removeAll: function removeAll() {
|
|
|
|
_tweens = [];
|
|
},
|
|
|
|
add: function add(tween) {
|
|
|
|
_tweens.push(tween);
|
|
},
|
|
|
|
remove: function remove(tween) {
|
|
|
|
var i = _tweens.indexOf(tween);
|
|
|
|
if (i !== -1) {
|
|
_tweens.splice(i, 1);
|
|
}
|
|
},
|
|
|
|
update: function update(time, preserve) {
|
|
|
|
if (_tweens.length === 0) {
|
|
return false;
|
|
}
|
|
|
|
var i = 0;
|
|
|
|
time = time !== undefined ? time : TWEEN.now();
|
|
|
|
while (i < _tweens.length) {
|
|
|
|
if (_tweens[i].update(time) || preserve) {
|
|
i++;
|
|
} else {
|
|
_tweens.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
}();
|
|
|
|
// Include a performance.now polyfill.
|
|
// In node.js, use process.hrtime.
|
|
if (typeof window === 'undefined' && typeof process !== 'undefined') {
|
|
TWEEN.now = function () {
|
|
var time = process.hrtime();
|
|
|
|
// Convert [seconds, nanoseconds] to milliseconds.
|
|
return time[0] * 1000 + time[1] / 1000000;
|
|
};
|
|
}
|
|
// In a browser, use window.performance.now if it is available.
|
|
else if (typeof window !== 'undefined' && window.performance !== undefined && window.performance.now !== undefined) {
|
|
// This must be bound, because directly assigning this function
|
|
// leads to an invocation exception in Chrome.
|
|
TWEEN.now = window.performance.now.bind(window.performance);
|
|
}
|
|
// Use Date.now if it is available.
|
|
else if (Date.now !== undefined) {
|
|
TWEEN.now = Date.now;
|
|
}
|
|
// Otherwise, use 'new Date().getTime()'.
|
|
else {
|
|
TWEEN.now = function () {
|
|
return new Date().getTime();
|
|
};
|
|
}
|
|
|
|
TWEEN.Tween = function (object) {
|
|
|
|
var _object = object;
|
|
var _valuesStart = {};
|
|
var _valuesEnd = {};
|
|
var _valuesStartRepeat = {};
|
|
var _duration = 1000;
|
|
var _repeat = 0;
|
|
var _repeatDelayTime;
|
|
var _yoyo = false;
|
|
var _isPlaying = false;
|
|
var _reversed = false;
|
|
var _delayTime = 0;
|
|
var _startTime = null;
|
|
var _easingFunction = TWEEN.Easing.Linear.None;
|
|
var _interpolationFunction = TWEEN.Interpolation.Linear;
|
|
var _chainedTweens = [];
|
|
var _onStartCallback = null;
|
|
var _onStartCallbackFired = false;
|
|
var _onUpdateCallback = null;
|
|
var _onCompleteCallback = null;
|
|
var _onStopCallback = null;
|
|
|
|
this.to = function (properties, duration) {
|
|
|
|
_valuesEnd = properties;
|
|
|
|
if (duration !== undefined) {
|
|
_duration = duration;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
this.start = function (time) {
|
|
|
|
TWEEN.add(this);
|
|
|
|
_isPlaying = true;
|
|
|
|
_onStartCallbackFired = false;
|
|
|
|
_startTime = time !== undefined ? time : TWEEN.now();
|
|
_startTime += _delayTime;
|
|
|
|
for (var property in _valuesEnd) {
|
|
|
|
// Check if an Array was provided as property value
|
|
if (_valuesEnd[property] instanceof Array) {
|
|
|
|
if (_valuesEnd[property].length === 0) {
|
|
continue;
|
|
}
|
|
|
|
// Create a local copy of the Array with the start value at the front
|
|
_valuesEnd[property] = [_object[property]].concat(_valuesEnd[property]);
|
|
}
|
|
|
|
// If `to()` specifies a property that doesn't exist in the source object,
|
|
// we should not set that property in the object
|
|
if (_object[property] === undefined) {
|
|
continue;
|
|
}
|
|
|
|
// Save the starting value.
|
|
_valuesStart[property] = _object[property];
|
|
|
|
if (_valuesStart[property] instanceof Array === false) {
|
|
_valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings
|
|
}
|
|
|
|
_valuesStartRepeat[property] = _valuesStart[property] || 0;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
this.stop = function () {
|
|
|
|
if (!_isPlaying) {
|
|
return this;
|
|
}
|
|
|
|
TWEEN.remove(this);
|
|
_isPlaying = false;
|
|
|
|
if (_onStopCallback !== null) {
|
|
_onStopCallback.call(_object, _object);
|
|
}
|
|
|
|
this.stopChainedTweens();
|
|
return this;
|
|
};
|
|
|
|
this.end = function () {
|
|
|
|
this.update(_startTime + _duration);
|
|
return this;
|
|
};
|
|
|
|
this.stopChainedTweens = function () {
|
|
|
|
for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) {
|
|
_chainedTweens[i].stop();
|
|
}
|
|
};
|
|
|
|
this.delay = function (amount) {
|
|
|
|
_delayTime = amount;
|
|
return this;
|
|
};
|
|
|
|
this.repeat = function (times) {
|
|
|
|
_repeat = times;
|
|
return this;
|
|
};
|
|
|
|
this.repeatDelay = function (amount) {
|
|
|
|
_repeatDelayTime = amount;
|
|
return this;
|
|
};
|
|
|
|
this.yoyo = function (yoyo) {
|
|
|
|
_yoyo = yoyo;
|
|
return this;
|
|
};
|
|
|
|
this.easing = function (easing) {
|
|
|
|
_easingFunction = easing;
|
|
return this;
|
|
};
|
|
|
|
this.interpolation = function (interpolation) {
|
|
|
|
_interpolationFunction = interpolation;
|
|
return this;
|
|
};
|
|
|
|
this.chain = function () {
|
|
|
|
_chainedTweens = arguments;
|
|
return this;
|
|
};
|
|
|
|
this.onStart = function (callback) {
|
|
|
|
_onStartCallback = callback;
|
|
return this;
|
|
};
|
|
|
|
this.onUpdate = function (callback) {
|
|
|
|
_onUpdateCallback = callback;
|
|
return this;
|
|
};
|
|
|
|
this.onComplete = function (callback) {
|
|
|
|
_onCompleteCallback = callback;
|
|
return this;
|
|
};
|
|
|
|
this.onStop = function (callback) {
|
|
|
|
_onStopCallback = callback;
|
|
return this;
|
|
};
|
|
|
|
this.update = function (time) {
|
|
|
|
var property;
|
|
var elapsed;
|
|
var value;
|
|
|
|
if (time < _startTime) {
|
|
return true;
|
|
}
|
|
|
|
if (_onStartCallbackFired === false) {
|
|
|
|
if (_onStartCallback !== null) {
|
|
_onStartCallback.call(_object, _object);
|
|
}
|
|
|
|
_onStartCallbackFired = true;
|
|
}
|
|
|
|
elapsed = (time - _startTime) / _duration;
|
|
elapsed = elapsed > 1 ? 1 : elapsed;
|
|
|
|
value = _easingFunction(elapsed);
|
|
|
|
for (property in _valuesEnd) {
|
|
|
|
// Don't update properties that do not exist in the source object
|
|
if (_valuesStart[property] === undefined) {
|
|
continue;
|
|
}
|
|
|
|
var start = _valuesStart[property] || 0;
|
|
var end = _valuesEnd[property];
|
|
|
|
if (end instanceof Array) {
|
|
|
|
_object[property] = _interpolationFunction(end, value);
|
|
} else {
|
|
|
|
// Parses relative end values with start as base (e.g.: +10, -3)
|
|
if (typeof end === 'string') {
|
|
|
|
if (end.charAt(0) === '+' || end.charAt(0) === '-') {
|
|
end = start + parseFloat(end);
|
|
} else {
|
|
end = parseFloat(end);
|
|
}
|
|
}
|
|
|
|
// Protect against non numeric properties.
|
|
if (typeof end === 'number') {
|
|
_object[property] = start + (end - start) * value;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_onUpdateCallback !== null) {
|
|
_onUpdateCallback.call(_object, value);
|
|
}
|
|
|
|
if (elapsed === 1) {
|
|
|
|
if (_repeat > 0) {
|
|
|
|
if (isFinite(_repeat)) {
|
|
_repeat--;
|
|
}
|
|
|
|
// Reassign starting values, restart by making startTime = now
|
|
for (property in _valuesStartRepeat) {
|
|
|
|
if (typeof _valuesEnd[property] === 'string') {
|
|
_valuesStartRepeat[property] = _valuesStartRepeat[property] + parseFloat(_valuesEnd[property]);
|
|
}
|
|
|
|
if (_yoyo) {
|
|
var tmp = _valuesStartRepeat[property];
|
|
|
|
_valuesStartRepeat[property] = _valuesEnd[property];
|
|
_valuesEnd[property] = tmp;
|
|
}
|
|
|
|
_valuesStart[property] = _valuesStartRepeat[property];
|
|
}
|
|
|
|
if (_yoyo) {
|
|
_reversed = !_reversed;
|
|
}
|
|
|
|
if (_repeatDelayTime !== undefined) {
|
|
_startTime = time + _repeatDelayTime;
|
|
} else {
|
|
_startTime = time + _delayTime;
|
|
}
|
|
|
|
return true;
|
|
} else {
|
|
|
|
if (_onCompleteCallback !== null) {
|
|
|
|
_onCompleteCallback.call(_object, _object);
|
|
}
|
|
|
|
for (var i = 0, numChainedTweens = _chainedTweens.length; i < numChainedTweens; i++) {
|
|
// Make the chained tweens start exactly at the time they should,
|
|
// even if the `update()` method was called way past the duration of the tween
|
|
_chainedTweens[i].start(_startTime + _duration);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
};
|
|
};
|
|
|
|
TWEEN.Easing = {
|
|
|
|
Linear: {
|
|
|
|
None: function None(k) {
|
|
|
|
return k;
|
|
}
|
|
|
|
},
|
|
|
|
Quadratic: {
|
|
|
|
In: function In(k) {
|
|
|
|
return k * k;
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return k * (2 - k);
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if ((k *= 2) < 1) {
|
|
return 0.5 * k * k;
|
|
}
|
|
|
|
return -0.5 * (--k * (k - 2) - 1);
|
|
}
|
|
|
|
},
|
|
|
|
Cubic: {
|
|
|
|
In: function In(k) {
|
|
|
|
return k * k * k;
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return --k * k * k + 1;
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if ((k *= 2) < 1) {
|
|
return 0.5 * k * k * k;
|
|
}
|
|
|
|
return 0.5 * ((k -= 2) * k * k + 2);
|
|
}
|
|
|
|
},
|
|
|
|
Quartic: {
|
|
|
|
In: function In(k) {
|
|
|
|
return k * k * k * k;
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return 1 - --k * k * k * k;
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if ((k *= 2) < 1) {
|
|
return 0.5 * k * k * k * k;
|
|
}
|
|
|
|
return -0.5 * ((k -= 2) * k * k * k - 2);
|
|
}
|
|
|
|
},
|
|
|
|
Quintic: {
|
|
|
|
In: function In(k) {
|
|
|
|
return k * k * k * k * k;
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return --k * k * k * k * k + 1;
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if ((k *= 2) < 1) {
|
|
return 0.5 * k * k * k * k * k;
|
|
}
|
|
|
|
return 0.5 * ((k -= 2) * k * k * k * k + 2);
|
|
}
|
|
|
|
},
|
|
|
|
Sinusoidal: {
|
|
|
|
In: function In(k) {
|
|
|
|
return 1 - Math.cos(k * Math.PI / 2);
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return Math.sin(k * Math.PI / 2);
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
return 0.5 * (1 - Math.cos(Math.PI * k));
|
|
}
|
|
|
|
},
|
|
|
|
Exponential: {
|
|
|
|
In: function In(k) {
|
|
|
|
return k === 0 ? 0 : Math.pow(1024, k - 1);
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return k === 1 ? 1 : 1 - Math.pow(2, -10 * k);
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if (k === 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (k === 1) {
|
|
return 1;
|
|
}
|
|
|
|
if ((k *= 2) < 1) {
|
|
return 0.5 * Math.pow(1024, k - 1);
|
|
}
|
|
|
|
return 0.5 * (-Math.pow(2, -10 * (k - 1)) + 2);
|
|
}
|
|
|
|
},
|
|
|
|
Circular: {
|
|
|
|
In: function In(k) {
|
|
|
|
return 1 - Math.sqrt(1 - k * k);
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
return Math.sqrt(1 - --k * k);
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if ((k *= 2) < 1) {
|
|
return -0.5 * (Math.sqrt(1 - k * k) - 1);
|
|
}
|
|
|
|
return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1);
|
|
}
|
|
|
|
},
|
|
|
|
Elastic: {
|
|
|
|
In: function In(k) {
|
|
|
|
if (k === 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (k === 1) {
|
|
return 1;
|
|
}
|
|
|
|
return -Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
if (k === 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (k === 1) {
|
|
return 1;
|
|
}
|
|
|
|
return Math.pow(2, -10 * k) * Math.sin((k - 0.1) * 5 * Math.PI) + 1;
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if (k === 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (k === 1) {
|
|
return 1;
|
|
}
|
|
|
|
k *= 2;
|
|
|
|
if (k < 1) {
|
|
return -0.5 * Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
|
|
}
|
|
|
|
return 0.5 * Math.pow(2, -10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI) + 1;
|
|
}
|
|
|
|
},
|
|
|
|
Back: {
|
|
|
|
In: function In(k) {
|
|
|
|
var s = 1.70158;
|
|
|
|
return k * k * ((s + 1) * k - s);
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
var s = 1.70158;
|
|
|
|
return --k * k * ((s + 1) * k + s) + 1;
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
var s = 1.70158 * 1.525;
|
|
|
|
if ((k *= 2) < 1) {
|
|
return 0.5 * (k * k * ((s + 1) * k - s));
|
|
}
|
|
|
|
return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2);
|
|
}
|
|
|
|
},
|
|
|
|
Bounce: {
|
|
|
|
In: function In(k) {
|
|
|
|
return 1 - TWEEN.Easing.Bounce.Out(1 - k);
|
|
},
|
|
|
|
Out: function Out(k) {
|
|
|
|
if (k < 1 / 2.75) {
|
|
return 7.5625 * k * k;
|
|
} else if (k < 2 / 2.75) {
|
|
return 7.5625 * (k -= 1.5 / 2.75) * k + 0.75;
|
|
} else if (k < 2.5 / 2.75) {
|
|
return 7.5625 * (k -= 2.25 / 2.75) * k + 0.9375;
|
|
} else {
|
|
return 7.5625 * (k -= 2.625 / 2.75) * k + 0.984375;
|
|
}
|
|
},
|
|
|
|
InOut: function InOut(k) {
|
|
|
|
if (k < 0.5) {
|
|
return TWEEN.Easing.Bounce.In(k * 2) * 0.5;
|
|
}
|
|
|
|
return TWEEN.Easing.Bounce.Out(k * 2 - 1) * 0.5 + 0.5;
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
TWEEN.Interpolation = {
|
|
|
|
Linear: function Linear(v, k) {
|
|
|
|
var m = v.length - 1;
|
|
var f = m * k;
|
|
var i = Math.floor(f);
|
|
var fn = TWEEN.Interpolation.Utils.Linear;
|
|
|
|
if (k < 0) {
|
|
return fn(v[0], v[1], f);
|
|
}
|
|
|
|
if (k > 1) {
|
|
return fn(v[m], v[m - 1], m - f);
|
|
}
|
|
|
|
return fn(v[i], v[i + 1 > m ? m : i + 1], f - i);
|
|
},
|
|
|
|
Bezier: function Bezier(v, k) {
|
|
|
|
var b = 0;
|
|
var n = v.length - 1;
|
|
var pw = Math.pow;
|
|
var bn = TWEEN.Interpolation.Utils.Bernstein;
|
|
|
|
for (var i = 0; i <= n; i++) {
|
|
b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i);
|
|
}
|
|
|
|
return b;
|
|
},
|
|
|
|
CatmullRom: function CatmullRom(v, k) {
|
|
|
|
var m = v.length - 1;
|
|
var f = m * k;
|
|
var i = Math.floor(f);
|
|
var fn = TWEEN.Interpolation.Utils.CatmullRom;
|
|
|
|
if (v[0] === v[m]) {
|
|
|
|
if (k < 0) {
|
|
i = Math.floor(f = m * (1 + k));
|
|
}
|
|
|
|
return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i);
|
|
} else {
|
|
|
|
if (k < 0) {
|
|
return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]);
|
|
}
|
|
|
|
if (k > 1) {
|
|
return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]);
|
|
}
|
|
|
|
return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i);
|
|
}
|
|
},
|
|
|
|
Utils: {
|
|
|
|
Linear: function Linear(p0, p1, t) {
|
|
|
|
return (p1 - p0) * t + p0;
|
|
},
|
|
|
|
Bernstein: function Bernstein(n, i) {
|
|
|
|
var fc = TWEEN.Interpolation.Utils.Factorial;
|
|
|
|
return fc(n) / fc(i) / fc(n - i);
|
|
},
|
|
|
|
Factorial: function () {
|
|
|
|
var a = [1];
|
|
|
|
return function (n) {
|
|
|
|
var s = 1;
|
|
|
|
if (a[n]) {
|
|
return a[n];
|
|
}
|
|
|
|
for (var i = n; i > 1; i--) {
|
|
s *= i;
|
|
}
|
|
|
|
a[n] = s;
|
|
return s;
|
|
};
|
|
}(),
|
|
|
|
CatmullRom: function CatmullRom(p0, p1, p2, p3, t) {
|
|
|
|
var v0 = (p2 - p0) * 0.5;
|
|
var v1 = (p3 - p1) * 0.5;
|
|
var t2 = t * t;
|
|
var t3 = t * t2;
|
|
|
|
return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1;
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* 根据2点获取角度
|
|
* @param Array [123, 23] 点1
|
|
* @param Array [123, 23] 点2
|
|
* @return angle 角度,不是弧度
|
|
*/
|
|
function getAngle(start, end) {
|
|
var diff_x = end[0] - start[0];
|
|
var diff_y = end[1] - start[1];
|
|
var deg = 360 * Math.atan(diff_y / diff_x) / (2 * Math.PI);
|
|
if (end[0] < start[0]) {
|
|
deg = deg + 180;
|
|
}
|
|
return deg;
|
|
}
|
|
|
|
/**
|
|
* 绘制沿线箭头
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var imageCache = {};
|
|
|
|
var object = {
|
|
draw: function draw(context, dataSet, options) {
|
|
var imageCacheKey = 'http://huiyan.baidu.com/github/tools/gis-drawing/static/images/direction.png';
|
|
if (options.arrow && options.arrow.url) {
|
|
imageCacheKey = options.arrow.url;
|
|
}
|
|
|
|
if (!imageCache[imageCacheKey]) {
|
|
imageCache[imageCacheKey] = null;
|
|
}
|
|
|
|
var directionImage = imageCache[imageCacheKey];
|
|
|
|
if (!directionImage) {
|
|
var args = Array.prototype.slice.call(arguments);
|
|
var image = new Image();
|
|
image.onload = function () {
|
|
imageCache[imageCacheKey] = image;
|
|
object.draw.apply(null, args);
|
|
};
|
|
image.src = imageCacheKey;
|
|
return;
|
|
}
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
// console.log('xxxx',options)
|
|
context.save();
|
|
|
|
for (var key in options) {
|
|
context[key] = options[key];
|
|
}
|
|
|
|
var points = [];
|
|
var preCoordinate = null;
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
|
|
var item = data[i];
|
|
|
|
context.save();
|
|
|
|
if (item.fillStyle || item._fillStyle) {
|
|
context.fillStyle = item.fillStyle || item._fillStyle;
|
|
}
|
|
|
|
if (item.strokeStyle || item._strokeStyle) {
|
|
context.strokeStyle = item.strokeStyle || item._strokeStyle;
|
|
}
|
|
|
|
var type = item.geometry.type;
|
|
|
|
context.beginPath();
|
|
if (type === 'LineString') {
|
|
var coordinates = item.geometry._coordinates || item.geometry.coordinates;
|
|
var interval = options.arrow.interval !== undefined ? options.arrow.interval : 1;
|
|
for (var j = 0; j < coordinates.length; j += interval) {
|
|
if (coordinates[j] && coordinates[j + 1]) {
|
|
var coordinate = coordinates[j];
|
|
|
|
if (preCoordinate && getDistance(coordinate, preCoordinate) < 30) {
|
|
continue;
|
|
}
|
|
|
|
context.save();
|
|
var angle = getAngle(coordinates[j], coordinates[j + 1]);
|
|
context.translate(coordinate[0], coordinate[1]);
|
|
context.rotate(angle * Math.PI / 180);
|
|
context.drawImage(directionImage, -directionImage.width / 2 / 2, -directionImage.height / 2 / 2, directionImage.width / 2, directionImage.height / 2);
|
|
context.restore();
|
|
|
|
points.push(coordinate);
|
|
preCoordinate = coordinate;
|
|
}
|
|
}
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
};
|
|
|
|
function getDistance(coordinateA, coordinateB) {
|
|
return Math.sqrt(Math.pow(coordinateA[0] - coordinateB[0], 2) + Math.pow(coordinateA[1] - coordinateB[1], 2));
|
|
}
|
|
|
|
/**
|
|
* @author Mofei Zhu<mapv@zhuwenlong.com>
|
|
* This file is to draw text
|
|
*/
|
|
|
|
var drawClip = {
|
|
draw: function draw(context, dataSet, options) {
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
context.save();
|
|
|
|
context.fillStyle = options.fillStyle || 'rgba(0, 0, 0, 0.5)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
|
|
options.multiPolygonDraw = function () {
|
|
context.save();
|
|
context.clip();
|
|
clear(context);
|
|
context.restore();
|
|
};
|
|
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
|
|
context.beginPath();
|
|
|
|
pathSimple.drawDataSet(context, [data[i]], options);
|
|
context.save();
|
|
context.clip();
|
|
clear(context);
|
|
context.restore();
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var drawCluster = {
|
|
draw: function draw(context, dataSet, options) {
|
|
context.save();
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
var pointCountMax;
|
|
var pointCountMin;
|
|
for (var i = 0; i < data.length; i++) {
|
|
var item = data[i];
|
|
if (item.properties && item.properties.cluster) {
|
|
if (pointCountMax === undefined) {
|
|
pointCountMax = item.properties.point_count;
|
|
}
|
|
if (pointCountMin === undefined) {
|
|
pointCountMin = item.properties.point_count;
|
|
}
|
|
pointCountMax = Math.max(pointCountMax, item.properties.point_count);
|
|
pointCountMin = Math.min(pointCountMin, item.properties.point_count);
|
|
}
|
|
}
|
|
|
|
var intensity = new Intensity({
|
|
min: pointCountMin,
|
|
max: pointCountMax,
|
|
minSize: options.minSize || 8,
|
|
maxSize: options.maxSize || 30,
|
|
gradient: options.gradient
|
|
});
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
var item = data[i];
|
|
var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
|
|
context.beginPath();
|
|
if (item.properties && item.properties.cluster) {
|
|
context.arc(coordinates[0], coordinates[1], intensity.getSize(item.properties.point_count), 0, Math.PI * 2);
|
|
context.fillStyle = intensity.getColor(item.properties.point_count);
|
|
context.fill();
|
|
|
|
if (options.label && options.label.show !== false) {
|
|
|
|
context.fillStyle = options.label.fillStyle || 'white';
|
|
|
|
if (options.label.font) {
|
|
context.font = options.label.font;
|
|
}
|
|
|
|
if (options.label.shadowColor) {
|
|
context.shadowColor = options.label.shadowColor;
|
|
}
|
|
|
|
if (options.label.shadowBlur) {
|
|
context.shadowBlur = options.label.shadowBlur;
|
|
}
|
|
|
|
var text = item.properties.point_count;
|
|
var textWidth = context.measureText(text).width;
|
|
context.fillText(text, coordinates[0] + .5 - textWidth / 2, coordinates[1] + .5 + 3);
|
|
}
|
|
} else {
|
|
context.arc(coordinates[0], coordinates[1], options.size || 5, 0, Math.PI * 2);
|
|
context.fillStyle = options.fillStyle || 'red';
|
|
context.fill();
|
|
}
|
|
}
|
|
context.restore();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @author Mofei Zhu<mapv@zhuwenlong.com>
|
|
* This file is to draw text
|
|
*/
|
|
|
|
var drawText = {
|
|
draw: function draw(context, dataSet, options) {
|
|
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
context.save();
|
|
|
|
// set from options
|
|
for (var key in options) {
|
|
context[key] = options[key];
|
|
}
|
|
|
|
var offset = options.offset || {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
|
|
var rects = [];
|
|
|
|
var size = options._size || options.size;
|
|
if (size) {
|
|
context.font = "bold " + size + "px Arial";
|
|
} else {
|
|
size = 12;
|
|
}
|
|
|
|
var textKey = options.textKey || 'text';
|
|
|
|
if (!options.textAlign) {
|
|
context.textAlign = 'center';
|
|
}
|
|
|
|
if (!options.textBaseline) {
|
|
context.textBaseline = 'middle';
|
|
}
|
|
|
|
if (options.avoid) {
|
|
// 标注避让
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
|
|
var x = coordinates[0] + offset.x;
|
|
var y = coordinates[1] + offset.y;
|
|
var text = data[i][textKey];
|
|
var textWidth = context.measureText(text).width;
|
|
|
|
// 根据文本宽度和高度调整x，y位置，使得绘制文本时候坐标点在文本中心点，这个计算出的是左上角坐标
|
|
var px = x - textWidth / 2;
|
|
var py = y - size / 2;
|
|
|
|
var rect = {
|
|
sw: {
|
|
x: px,
|
|
y: py + size
|
|
},
|
|
ne: {
|
|
x: px + textWidth,
|
|
y: py
|
|
}
|
|
};
|
|
|
|
if (!hasOverlay(rects, rect)) {
|
|
rects.push(rect);
|
|
px = px + textWidth / 2;
|
|
py = py + size / 2;
|
|
context.fillText(text, px, py);
|
|
}
|
|
}
|
|
} else {
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
|
|
var x = coordinates[0] + offset.x;
|
|
var y = coordinates[1] + offset.y;
|
|
var text = data[i][textKey];
|
|
context.fillText(text, x, y);
|
|
}
|
|
}
|
|
|
|
context.restore();
|
|
}
|
|
|
|
/*
|
|
* 当前文字区域和已有的文字区域是否有重叠部分
|
|
*/
|
|
};function hasOverlay(rects, overlay) {
|
|
for (var i = 0; i < rects.length; i++) {
|
|
if (isRectOverlay(rects[i], overlay)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//判断2个矩形是否有重叠部分
|
|
function isRectOverlay(rect1, rect2) {
|
|
//minx、miny 2个矩形右下角最小的x和y
|
|
//maxx、maxy 2个矩形左上角最大的x和y
|
|
var minx = Math.min(rect1.ne.x, rect2.ne.x);
|
|
var miny = Math.min(rect1.sw.y, rect2.sw.y);
|
|
var maxx = Math.max(rect1.sw.x, rect2.sw.x);
|
|
var maxy = Math.max(rect1.ne.y, rect2.ne.y);
|
|
if (minx > maxx && miny > maxy) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @author Mofei Zhu<mapv@zhuwenlong.com>
|
|
* This file is to draw text
|
|
*/
|
|
|
|
var drawIcon = {
|
|
draw: function draw(context, dataSet, options) {
|
|
var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
|
|
|
|
context.fillStyle = 'white';
|
|
context.textAlign = 'center';
|
|
context.textBaseline = 'middle';
|
|
|
|
var offset = options.offset || {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
|
|
// set from options
|
|
// for (var key in options) {
|
|
// context[key] = options[key];
|
|
// }
|
|
// console.log(data)
|
|
for (var i = 0, len = data.length; i < len; i++) {
|
|
|
|
if (data[i].geometry) {
|
|
var deg = data[i].deg || options.deg;
|
|
var icon = data[i].icon || options.icon;
|
|
var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
|
|
var x = coordinates[0];
|
|
var y = coordinates[1];
|
|
if (deg) {
|
|
context.save();
|
|
context.translate(x, y);
|
|
context.rotate(deg * Math.PI / 180);
|
|
context.translate(-x, -y);
|
|
}
|
|
var width = options._width || options.width || icon.width;
|
|
var height = options._height || options.height || icon.height;
|
|
x = x - width / 2 + offset.x;
|
|
y = y - height / 2 + offset.y;
|
|
if (options.sx && options.sy && options.swidth && options.sheight && options.width && options.height) {
|
|
context.drawImage(icon, options.sx, options.sy, options.swidth, options.sheight, x, y, width, height);
|
|
} else if (options.width && options.height) {
|
|
context.drawImage(icon, x, y, width, height);
|
|
} else {
|
|
context.drawImage(icon, x, y);
|
|
}
|
|
|
|
if (deg) {
|
|
context.restore();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* from https://github.com/mapbox/supercluster
|
|
*/
|
|
|
|
function sortKD(ids, coords, nodeSize, left, right, depth) {
|
|
if (right - left <= nodeSize) {
|
|
return;
|
|
}
|
|
|
|
var m = left + right >> 1;
|
|
|
|
select(ids, coords, m, left, right, depth % 2);
|
|
|
|
sortKD(ids, coords, nodeSize, left, m - 1, depth + 1);
|
|
sortKD(ids, coords, nodeSize, m + 1, right, depth + 1);
|
|
}
|
|
|
|
function select(ids, coords, k, left, right, inc) {
|
|
|
|
while (right > left) {
|
|
if (right - left > 600) {
|
|
var n = right - left + 1;
|
|
var m = k - left + 1;
|
|
var z = Math.log(n);
|
|
var s = 0.5 * Math.exp(2 * z / 3);
|
|
var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1);
|
|
var newLeft = Math.max(left, Math.floor(k - m * s / n + sd));
|
|
var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd));
|
|
select(ids, coords, k, newLeft, newRight, inc);
|
|
}
|
|
|
|
var t = coords[2 * k + inc];
|
|
var i = left;
|
|
var j = right;
|
|
|
|
swapItem(ids, coords, left, k);
|
|
if (coords[2 * right + inc] > t) {
|
|
swapItem(ids, coords, left, right);
|
|
}
|
|
|
|
while (i < j) {
|
|
swapItem(ids, coords, i, j);
|
|
i++;
|
|
j--;
|
|
while (coords[2 * i + inc] < t) {
|
|
i++;
|
|
}
|
|
while (coords[2 * j + inc] > t) {
|
|
j--;
|
|
}
|
|
}
|
|
|
|
if (coords[2 * left + inc] === t) {
|
|
swapItem(ids, coords, left, j);
|
|
} else {
|
|
j++;
|
|
swapItem(ids, coords, j, right);
|
|
}
|
|
|
|
if (j <= k) {
|
|
left = j + 1;
|
|
}
|
|
if (k <= j) {
|
|
right = j - 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
function swapItem(ids, coords, i, j) {
|
|
swap(ids, i, j);
|
|
swap(coords, 2 * i, 2 * j);
|
|
swap(coords, 2 * i + 1, 2 * j + 1);
|
|
}
|
|
|
|
function swap(arr, i, j) {
|
|
var tmp = arr[i];
|
|
arr[i] = arr[j];
|
|
arr[j] = tmp;
|
|
}
|
|
|
|
function range(ids, coords, minX, minY, maxX, maxY, nodeSize) {
|
|
var stack = [0, ids.length - 1, 0];
|
|
var result = [];
|
|
var x, y;
|
|
|
|
while (stack.length) {
|
|
var axis = stack.pop();
|
|
var right = stack.pop();
|
|
var left = stack.pop();
|
|
|
|
if (right - left <= nodeSize) {
|
|
for (var i = left; i <= right; i++) {
|
|
x = coords[2 * i];
|
|
y = coords[2 * i + 1];
|
|
if (x >= minX && x <= maxX && y >= minY && y <= maxY) {
|
|
result.push(ids[i]);
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
var m = Math.floor((left + right) / 2);
|
|
|
|
x = coords[2 * m];
|
|
y = coords[2 * m + 1];
|
|
|
|
if (x >= minX && x <= maxX && y >= minY && y <= maxY) {
|
|
result.push(ids[m]);
|
|
}
|
|
|
|
var nextAxis = (axis + 1) % 2;
|
|
|
|
if (axis === 0 ? minX <= x : minY <= y) {
|
|
stack.push(left);
|
|
stack.push(m - 1);
|
|
stack.push(nextAxis);
|
|
}
|
|
if (axis === 0 ? maxX >= x : maxY >= y) {
|
|
stack.push(m + 1);
|
|
stack.push(right);
|
|
stack.push(nextAxis);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function within(ids, coords, qx, qy, r, nodeSize) {
|
|
var stack = [0, ids.length - 1, 0];
|
|
var result = [];
|
|
var r2 = r * r;
|
|
|
|
while (stack.length) {
|
|
var axis = stack.pop();
|
|
var right = stack.pop();
|
|
var left = stack.pop();
|
|
|
|
if (right - left <= nodeSize) {
|
|
for (var i = left; i <= right; i++) {
|
|
if (sqDist(coords[2 * i], coords[2 * i + 1], qx, qy) <= r2) {
|
|
result.push(ids[i]);
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
var m = Math.floor((left + right) / 2);
|
|
|
|
var x = coords[2 * m];
|
|
var y = coords[2 * m + 1];
|
|
|
|
if (sqDist(x, y, qx, qy) <= r2) {
|
|
result.push(ids[m]);
|
|
}
|
|
|
|
var nextAxis = (axis + 1) % 2;
|
|
|
|
if (axis === 0 ? qx - r <= x : qy - r <= y) {
|
|
stack.push(left);
|
|
stack.push(m - 1);
|
|
stack.push(nextAxis);
|
|
}
|
|
if (axis === 0 ? qx + r >= x : qy + r >= y) {
|
|
stack.push(m + 1);
|
|
stack.push(right);
|
|
stack.push(nextAxis);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function sqDist(ax, ay, bx, by) {
|
|
var dx = ax - bx;
|
|
var dy = ay - by;
|
|
return dx * dx + dy * dy;
|
|
}
|
|
|
|
var defaultGetX = function defaultGetX(p) {
|
|
return p[0];
|
|
};
|
|
var defaultGetY = function defaultGetY(p) {
|
|
return p[1];
|
|
};
|
|
|
|
var KDBush = function KDBush(points, getX, getY, nodeSize, ArrayType) {
|
|
if (getX === void 0) getX = defaultGetX;
|
|
if (getY === void 0) getY = defaultGetY;
|
|
if (nodeSize === void 0) nodeSize = 64;
|
|
if (ArrayType === void 0) ArrayType = Float64Array;
|
|
|
|
this.nodeSize = nodeSize;
|
|
this.points = points;
|
|
|
|
var IndexArrayType = points.length < 65536 ? Uint16Array : Uint32Array;
|
|
|
|
var ids = this.ids = new IndexArrayType(points.length);
|
|
var coords = this.coords = new ArrayType(points.length * 2);
|
|
|
|
for (var i = 0; i < points.length; i++) {
|
|
ids[i] = i;
|
|
coords[2 * i] = getX(points[i]);
|
|
coords[2 * i + 1] = getY(points[i]);
|
|
}
|
|
|
|
sortKD(ids, coords, nodeSize, 0, ids.length - 1, 0);
|
|
};
|
|
|
|
KDBush.prototype.range = function range$1(minX, minY, maxX, maxY) {
|
|
return range(this.ids, this.coords, minX, minY, maxX, maxY, this.nodeSize);
|
|
};
|
|
|
|
KDBush.prototype.within = function within$1(x, y, r) {
|
|
return within(this.ids, this.coords, x, y, r, this.nodeSize);
|
|
};
|
|
|
|
var defaultOptions = {
|
|
minZoom: 0, // min zoom to generate clusters on
|
|
maxZoom: 16, // max zoom level to cluster the points on
|
|
radius: 40, // cluster radius in pixels
|
|
extent: 512, // tile extent (radius is calculated relative to it)
|
|
nodeSize: 64, // size of the KD-tree leaf node, affects performance
|
|
log: false, // whether to log timing info
|
|
|
|
// a reduce function for calculating custom cluster properties
|
|
reduce: null, // (accumulated, props) => { accumulated.sum += props.sum; }
|
|
|
|
// properties to use for individual points when running the reducer
|
|
map: function map(props) {
|
|
return props;
|
|
} // props => ({sum: props.my_value})
|
|
};
|
|
|
|
var Supercluster = function Supercluster(options) {
|
|
this.options = extend(Object.create(defaultOptions), options);
|
|
this.trees = new Array(this.options.maxZoom + 1);
|
|
};
|
|
|
|
Supercluster.prototype.load = function load(points) {
|
|
var ref = this.options;
|
|
var log = ref.log;
|
|
var minZoom = ref.minZoom;
|
|
var maxZoom = ref.maxZoom;
|
|
var nodeSize = ref.nodeSize;
|
|
|
|
if (log) {}
|
|
|
|
var timerId = "prepare " + points.length + " points";
|
|
if (log) {}
|
|
|
|
this.points = points;
|
|
|
|
// generate a cluster object for each point and index input points into a KD-tree
|
|
var clusters = [];
|
|
for (var i = 0; i < points.length; i++) {
|
|
if (!points[i].geometry) {
|
|
continue;
|
|
}
|
|
clusters.push(createPointCluster(points[i], i));
|
|
}
|
|
this.trees[maxZoom + 1] = new KDBush(clusters, getX, getY, nodeSize, Float32Array);
|
|
|
|
if (log) {}
|
|
|
|
// cluster points on max zoom, then cluster the results on previous zoom, etc.;
|
|
// results in a cluster hierarchy across zoom levels
|
|
for (var z = maxZoom; z >= minZoom; z--) {
|
|
var now = +Date.now();
|
|
|
|
// create a new set of clusters for the zoom and index them with a KD-tree
|
|
clusters = this._cluster(clusters, z);
|
|
this.trees[z] = new KDBush(clusters, getX, getY, nodeSize, Float32Array);
|
|
|
|
if (log) {}
|
|
}
|
|
|
|
if (log) {}
|
|
|
|
return this;
|
|
};
|
|
|
|
Supercluster.prototype.getClusters = function getClusters(bbox, zoom) {
|
|
var minLng = ((bbox[0] + 180) % 360 + 360) % 360 - 180;
|
|
var minLat = Math.max(-90, Math.min(90, bbox[1]));
|
|
var maxLng = bbox[2] === 180 ? 180 : ((bbox[2] + 180) % 360 + 360) % 360 - 180;
|
|
var maxLat = Math.max(-90, Math.min(90, bbox[3]));
|
|
|
|
if (bbox[2] - bbox[0] >= 360) {
|
|
minLng = -180;
|
|
maxLng = 180;
|
|
} else if (minLng > maxLng) {
|
|
var easternHem = this.getClusters([minLng, minLat, 180, maxLat], zoom);
|
|
var westernHem = this.getClusters([-180, minLat, maxLng, maxLat], zoom);
|
|
return easternHem.concat(westernHem);
|
|
}
|
|
|
|
var tree = this.trees[this._limitZoom(zoom)];
|
|
var ids = tree.range(lngX(minLng), latY(maxLat), lngX(maxLng), latY(minLat));
|
|
var clusters = [];
|
|
for (var i = 0, list = ids; i < list.length; i += 1) {
|
|
var id = list[i];
|
|
|
|
var c = tree.points[id];
|
|
clusters.push(c.numPoints ? getClusterJSON(c) : this.points[c.index]);
|
|
}
|
|
return clusters;
|
|
};
|
|
|
|
Supercluster.prototype.getChildren = function getChildren(clusterId) {
|
|
var originId = clusterId >> 5;
|
|
var originZoom = clusterId % 32;
|
|
var errorMsg = 'No cluster with the specified id.';
|
|
|
|
var index = this.trees[originZoom];
|
|
if (!index) {
|
|
throw new Error(errorMsg);
|
|
}
|
|
|
|
var origin = index.points[originId];
|
|
if (!origin) {
|
|
throw new Error(errorMsg);
|
|
}
|
|
|
|
var r = this.options.radius / (this.options.extent * Math.pow(2, originZoom - 1));
|
|
var ids = index.within(origin.x, origin.y, r);
|
|
var children = [];
|
|
for (var i = 0, list = ids; i < list.length; i += 1) {
|
|
var id = list[i];
|
|
|
|
var c = index.points[id];
|
|
if (c.parentId === clusterId) {
|
|
children.push(c.numPoints ? getClusterJSON(c) : this.points[c.index]);
|
|
}
|
|
}
|
|
|
|
if (children.length === 0) {
|
|
throw new Error(errorMsg);
|
|
}
|
|
|
|
return children;
|
|
};
|
|
|
|
Supercluster.prototype.getLeaves = function getLeaves(clusterId, limit, offset) {
|
|
limit = limit || 10;
|
|
offset = offset || 0;
|
|
|
|
var leaves = [];
|
|
this._appendLeaves(leaves, clusterId, limit, offset, 0);
|
|
|
|
return leaves;
|
|
};
|
|
|
|
Supercluster.prototype.getTile = function getTile(z, x, y) {
|
|
var tree = this.trees[this._limitZoom(z)];
|
|
var z2 = Math.pow(2, z);
|
|
var ref = this.options;
|
|
var extent = ref.extent;
|
|
var radius = ref.radius;
|
|
var p = radius / extent;
|
|
var top = (y - p) / z2;
|
|
var bottom = (y + 1 + p) / z2;
|
|
|
|
var tile = {
|
|
features: []
|
|
};
|
|
|
|
this._addTileFeatures(tree.range((x - p) / z2, top, (x + 1 + p) / z2, bottom), tree.points, x, y, z2, tile);
|
|
|
|
if (x === 0) {
|
|
this._addTileFeatures(tree.range(1 - p / z2, top, 1, bottom), tree.points, z2, y, z2, tile);
|
|
}
|
|
if (x === z2 - 1) {
|
|
this._addTileFeatures(tree.range(0, top, p / z2, bottom), tree.points, -1, y, z2, tile);
|
|
}
|
|
|
|
return tile.features.length ? tile : null;
|
|
};
|
|
|
|
Supercluster.prototype.getClusterExpansionZoom = function getClusterExpansionZoom(clusterId) {
|
|
var clusterZoom = clusterId % 32 - 1;
|
|
while (clusterZoom <= this.options.maxZoom) {
|
|
var children = this.getChildren(clusterId);
|
|
clusterZoom++;
|
|
if (children.length !== 1) {
|
|
break;
|
|
}
|
|
clusterId = children[0].properties.cluster_id;
|
|
}
|
|
return clusterZoom;
|
|
};
|
|
|
|
Supercluster.prototype._appendLeaves = function _appendLeaves(result, clusterId, limit, offset, skipped) {
|
|
var children = this.getChildren(clusterId);
|
|
|
|
for (var i = 0, list = children; i < list.length; i += 1) {
|
|
var child = list[i];
|
|
|
|
var props = child.properties;
|
|
|
|
if (props && props.cluster) {
|
|
if (skipped + props.point_count <= offset) {
|
|
// skip the whole cluster
|
|
skipped += props.point_count;
|
|
} else {
|
|
// enter the cluster
|
|
skipped = this._appendLeaves(result, props.cluster_id, limit, offset, skipped);
|
|
// exit the cluster
|
|
}
|
|
} else if (skipped < offset) {
|
|
// skip a single point
|
|
skipped++;
|
|
} else {
|
|
// add a single point
|
|
result.push(child);
|
|
}
|
|
if (result.length === limit) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return skipped;
|
|
};
|
|
|
|
Supercluster.prototype._addTileFeatures = function _addTileFeatures(ids, points, x, y, z2, tile) {
|
|
for (var i$1 = 0, list = ids; i$1 < list.length; i$1 += 1) {
|
|
var i = list[i$1];
|
|
|
|
var c = points[i];
|
|
var f = {
|
|
type: 1,
|
|
geometry: [[Math.round(this.options.extent * (c.x * z2 - x)), Math.round(this.options.extent * (c.y * z2 - y))]],
|
|
tags: c.numPoints ? getClusterProperties(c) : this.points[c.index].properties
|
|
};
|
|
var id = c.numPoints ? c.id : this.points[c.index].id;
|
|
if (id !== undefined) {
|
|
f.id = id;
|
|
}
|
|
tile.features.push(f);
|
|
}
|
|
};
|
|
|
|
Supercluster.prototype._limitZoom = function _limitZoom(z) {
|
|
return Math.max(this.options.minZoom, Math.min(z, this.options.maxZoom + 1));
|
|
};
|
|
|
|
Supercluster.prototype._cluster = function _cluster(points, zoom) {
|
|
var clusters = [];
|
|
var ref = this.options;
|
|
var radius = ref.radius;
|
|
var extent = ref.extent;
|
|
var reduce = ref.reduce;
|
|
var r = radius / (extent * Math.pow(2, zoom));
|
|
|
|
// loop through each point
|
|
for (var i = 0; i < points.length; i++) {
|
|
var p = points[i];
|
|
// if we've already visited the point at this zoom level, skip it
|
|
if (p.zoom <= zoom) {
|
|
continue;
|
|
}
|
|
p.zoom = zoom;
|
|
|
|
// find all nearby points
|
|
var tree = this.trees[zoom + 1];
|
|
var neighborIds = tree.within(p.x, p.y, r);
|
|
|
|
var numPoints = p.numPoints || 1;
|
|
var wx = p.x * numPoints;
|
|
var wy = p.y * numPoints;
|
|
|
|
var clusterProperties = reduce && numPoints > 1 ? this._map(p, true) : null;
|
|
|
|
// encode both zoom and point index on which the cluster originated
|
|
var id = (i << 5) + (zoom + 1);
|
|
|
|
for (var i$1 = 0, list = neighborIds; i$1 < list.length; i$1 += 1) {
|
|
var neighborId = list[i$1];
|
|
|
|
var b = tree.points[neighborId];
|
|
// filter out neighbors that are already processed
|
|
if (b.zoom <= zoom) {
|
|
continue;
|
|
}
|
|
b.zoom = zoom; // save the zoom (so it doesn't get processed twice)
|
|
|
|
var numPoints2 = b.numPoints || 1;
|
|
wx += b.x * numPoints2; // accumulate coordinates for calculating weighted center
|
|
wy += b.y * numPoints2;
|
|
|
|
numPoints += numPoints2;
|
|
b.parentId = id;
|
|
|
|
if (reduce) {
|
|
if (!clusterProperties) {
|
|
clusterProperties = this._map(p, true);
|
|
}
|
|
reduce(clusterProperties, this._map(b));
|
|
}
|
|
}
|
|
|
|
if (numPoints === 1) {
|
|
clusters.push(p);
|
|
} else {
|
|
p.parentId = id;
|
|
clusters.push(createCluster(wx / numPoints, wy / numPoints, id, numPoints, clusterProperties));
|
|
}
|
|
}
|
|
|
|
return clusters;
|
|
};
|
|
|
|
Supercluster.prototype._map = function _map(point, clone) {
|
|
if (point.numPoints) {
|
|
return clone ? extend({}, point.properties) : point.properties;
|
|
}
|
|
var original = this.points[point.index].properties;
|
|
var result = this.options.map(original);
|
|
return clone && result === original ? extend({}, result) : result;
|
|
};
|
|
|
|
function createCluster(x, y, id, numPoints, properties) {
|
|
return {
|
|
x: x, // weighted cluster center
|
|
y: y,
|
|
zoom: Infinity, // the last zoom the cluster was processed at
|
|
id: id, // encodes index of the first child of the cluster and its zoom level
|
|
parentId: -1, // parent cluster id
|
|
numPoints: numPoints,
|
|
properties: properties
|
|
};
|
|
}
|
|
|
|
function createPointCluster(p, id) {
|
|
var ref = p.geometry.coordinates;
|
|
var x = ref[0];
|
|
var y = ref[1];
|
|
return {
|
|
x: lngX(x), // projected point coordinates
|
|
y: latY(y),
|
|
zoom: Infinity, // the last zoom the point was processed at
|
|
index: id, // index of the source feature in the original input array,
|
|
parentId: -1 // parent cluster id
|
|
};
|
|
}
|
|
|
|
function getClusterJSON(cluster) {
|
|
return {
|
|
type: 'Feature',
|
|
id: cluster.id,
|
|
properties: getClusterProperties(cluster),
|
|
geometry: {
|
|
type: 'Point',
|
|
coordinates: [xLng(cluster.x), yLat(cluster.y)]
|
|
}
|
|
};
|
|
}
|
|
|
|
function getClusterProperties(cluster) {
|
|
var count = cluster.numPoints;
|
|
var abbrev = count >= 10000 ? Math.round(count / 1000) + "k" : count >= 1000 ? Math.round(count / 100) / 10 + "k" : count;
|
|
return extend(extend({}, cluster.properties), {
|
|
cluster: true,
|
|
cluster_id: cluster.id,
|
|
point_count: count,
|
|
point_count_abbreviated: abbrev
|
|
});
|
|
}
|
|
|
|
// longitude/latitude to spherical mercator in [0..1] range
|
|
function lngX(lng) {
|
|
return lng / 360 + 0.5;
|
|
}
|
|
function latY(lat) {
|
|
var sin = Math.sin(lat * Math.PI / 180);
|
|
var y = 0.5 - 0.25 * Math.log((1 + sin) / (1 - sin)) / Math.PI;
|
|
return y < 0 ? 0 : y > 1 ? 1 : y;
|
|
}
|
|
|
|
// spherical mercator to longitude/latitude
|
|
function xLng(x) {
|
|
return (x - 0.5) * 360;
|
|
}
|
|
function yLat(y) {
|
|
var y2 = (180 - y * 360) * Math.PI / 180;
|
|
return 360 * Math.atan(Math.exp(y2)) / Math.PI - 90;
|
|
}
|
|
|
|
function extend(dest, src) {
|
|
for (var id in src) {
|
|
dest[id] = src[id];
|
|
}
|
|
return dest;
|
|
}
|
|
|
|
function getX(p) {
|
|
return p.x;
|
|
}
|
|
function getY(p) {
|
|
return p.y;
|
|
}
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
if (typeof window !== 'undefined') {
|
|
requestAnimationFrame(animate);
|
|
}
|
|
|
|
function animate(time) {
|
|
requestAnimationFrame(animate);
|
|
TWEEN.update(time);
|
|
}
|
|
|
|
var BaseLayer = function () {
|
|
function BaseLayer(map, dataSet, options) {
|
|
classCallCheck(this, BaseLayer);
|
|
|
|
if (!(dataSet instanceof DataSet)) {
|
|
dataSet = new DataSet(dataSet);
|
|
}
|
|
|
|
this.dataSet = dataSet;
|
|
this.map = map;
|
|
|
|
if (options.draw === 'cluster' && !this.supercluster) {
|
|
this.supercluster = new Supercluster({ maxZoom: options.maxZoom || 19, radius: options.clusterRadius || 100 });
|
|
this.supercluster.load(dataSet.get());
|
|
this.clusterDataSet = new DataSet();
|
|
}
|
|
}
|
|
|
|
createClass(BaseLayer, [{
|
|
key: "getDefaultContextConfig",
|
|
value: function getDefaultContextConfig() {
|
|
return {
|
|
globalAlpha: 1,
|
|
globalCompositeOperation: 'source-over',
|
|
imageSmoothingEnabled: true,
|
|
strokeStyle: '#000000',
|
|
fillStyle: '#000000',
|
|
shadowOffsetX: 0,
|
|
shadowOffsetY: 0,
|
|
shadowBlur: 0,
|
|
shadowColor: 'rgba(0, 0, 0, 0)',
|
|
lineWidth: 1,
|
|
lineCap: 'butt',
|
|
lineJoin: 'miter',
|
|
miterLimit: 10,
|
|
lineDashOffset: 0,
|
|
font: '10px sans-serif',
|
|
textAlign: 'start',
|
|
textBaseline: 'alphabetic'
|
|
};
|
|
}
|
|
}, {
|
|
key: "initDataRange",
|
|
value: function initDataRange(options) {
|
|
var self = this;
|
|
self.intensity = new Intensity({
|
|
maxSize: self.options.maxSize,
|
|
minSize: self.options.minSize,
|
|
gradient: self.options.gradient,
|
|
max: self.options.max || this.dataSet.getMax('count')
|
|
});
|
|
self.category = new Category(self.options.splitList);
|
|
self.choropleth = new Choropleth(self.options.splitList);
|
|
if (self.options.splitList === undefined) {
|
|
self.category.generateByDataSet(this.dataSet, self.options.color);
|
|
}
|
|
if (self.options.splitList === undefined) {
|
|
var min = self.options.min || this.dataSet.getMin('count');
|
|
var max = self.options.max || this.dataSet.getMax('count');
|
|
self.choropleth.generateByMinMax(min, max);
|
|
}
|
|
}
|
|
}, {
|
|
key: "getLegend",
|
|
value: function getLegend(options) {
|
|
var draw = this.options.draw;
|
|
var legend = null;
|
|
var self = this;
|
|
if (self.options.draw == 'intensity' || self.options.draw == 'heatmap') {
|
|
return this.intensity.getLegend(options);
|
|
} else if (self.options.draw == 'category') {
|
|
return this.category.getLegend(options);
|
|
}
|
|
}
|
|
}, {
|
|
key: "processData",
|
|
value: function processData(data) {
|
|
var self = this;
|
|
var draw = self.options.draw;
|
|
if (draw == 'bubble' || draw == 'intensity' || draw == 'category' || draw == 'choropleth' || draw == 'simple') {
|
|
|
|
for (var i = 0; i < data.length; i++) {
|
|
var item = data[i];
|
|
|
|
if (self.options.draw == 'bubble') {
|
|
data[i]._size = self.intensity.getSize(item.count);
|
|
} else {
|
|
data[i]._size = undefined;
|
|
}
|
|
|
|
var styleType = '_fillStyle';
|
|
|
|
if (data[i].geometry.type === 'LineString' || self.options.styleType === 'stroke') {
|
|
styleType = '_strokeStyle';
|
|
}
|
|
|
|
if (self.options.draw == 'intensity') {
|
|
data[i][styleType] = self.intensity.getColor(item.count);
|
|
} else if (self.options.draw == 'category') {
|
|
data[i][styleType] = self.category.get(item.count);
|
|
} else if (self.options.draw == 'choropleth') {
|
|
data[i][styleType] = self.choropleth.get(item.count);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "isEnabledTime",
|
|
value: function isEnabledTime() {
|
|
|
|
var animationOptions = this.options.animation;
|
|
|
|
var flag = animationOptions && !(animationOptions.enabled === false);
|
|
|
|
return flag;
|
|
}
|
|
}, {
|
|
key: "argCheck",
|
|
value: function argCheck(options) {
|
|
if (options.draw == 'heatmap') {
|
|
if (options.strokeStyle) {
|
|
console.warn('[heatmap] options.strokeStyle is discard, pleause use options.strength [eg: options.strength = 0.1]');
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "drawContext",
|
|
value: function drawContext(context, dataSet, options, nwPixel) {
|
|
var self = this;
|
|
switch (self.options.draw) {
|
|
case 'heatmap':
|
|
drawHeatmap.draw(context, dataSet, self.options);
|
|
break;
|
|
case 'grid':
|
|
case 'cluster':
|
|
case 'honeycomb':
|
|
self.options.offset = {
|
|
x: nwPixel.x,
|
|
y: nwPixel.y
|
|
};
|
|
if (self.options.draw === 'grid') {
|
|
drawGrid.draw(context, dataSet, self.options);
|
|
} else if (self.options.draw === 'cluster') {
|
|
drawCluster.draw(context, dataSet, self.options);
|
|
} else {
|
|
drawHoneycomb.draw(context, dataSet, self.options);
|
|
}
|
|
break;
|
|
case 'text':
|
|
drawText.draw(context, dataSet, self.options);
|
|
break;
|
|
case 'icon':
|
|
drawIcon.draw(context, dataSet, self.options);
|
|
break;
|
|
case 'clip':
|
|
drawClip.draw(context, dataSet, self.options);
|
|
break;
|
|
default:
|
|
if (self.options.context == "webgl") {
|
|
webglDrawSimple.draw(self.canvasLayer.canvas.getContext('webgl'), dataSet, self.options);
|
|
} else {
|
|
drawSimple.draw(context, dataSet, self.options);
|
|
}
|
|
}
|
|
|
|
if (self.options.arrow && self.options.arrow.show !== false) {
|
|
object.draw(context, dataSet, self.options);
|
|
}
|
|
}
|
|
}, {
|
|
key: "isPointInPath",
|
|
value: function isPointInPath(context, pixel) {
|
|
var context = this.canvasLayer.canvas.getContext(this.context);
|
|
var data;
|
|
if (this.options.draw === 'cluster') {
|
|
data = this.clusterDataSet.get();
|
|
} else {
|
|
data = this.dataSet.get();
|
|
}
|
|
for (var i = 0; i < data.length; i++) {
|
|
context.beginPath();
|
|
pathSimple.draw(context, data[i], this.options);
|
|
var x = pixel.x * this.canvasLayer.devicePixelRatio;
|
|
var y = pixel.y * this.canvasLayer.devicePixelRatio;
|
|
|
|
var geoType = data[i].geometry && data[i].geometry.type;
|
|
if (geoType.indexOf('LineString') > -1) {
|
|
if (context.isPointInStroke && context.isPointInStroke(x, y)) {
|
|
return data[i];
|
|
}
|
|
} else {
|
|
if (context.isPointInPath(x, y)) {
|
|
return data[i];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "clickEvent",
|
|
value: function clickEvent(pixel, e) {
|
|
if (!this.options.methods) {
|
|
return;
|
|
}
|
|
var dataItem = this.isPointInPath(this.getContext(), pixel);
|
|
|
|
if (dataItem) {
|
|
this.options.methods.click(dataItem, e);
|
|
} else {
|
|
this.options.methods.click(null, e);
|
|
}
|
|
}
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(pixel, e) {
|
|
if (!this.options.methods) {
|
|
return;
|
|
}
|
|
var dataItem = this.isPointInPath(this.getContext(), pixel);
|
|
if (dataItem) {
|
|
this.options.methods.mousemove(dataItem, e);
|
|
} else {
|
|
this.options.methods.mousemove(null, e);
|
|
}
|
|
}
|
|
}, {
|
|
key: "tapEvent",
|
|
value: function tapEvent(pixel, e) {
|
|
if (!this.options.methods) {
|
|
return;
|
|
}
|
|
var dataItem = this.isPointInPath(this.getContext(), pixel);
|
|
if (dataItem) {
|
|
this.options.methods.tap(dataItem, e);
|
|
} else {
|
|
this.options.methods.tap(null, e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* obj.options
|
|
*/
|
|
|
|
}, {
|
|
key: "update",
|
|
value: function update(obj, isDraw) {
|
|
var self = this;
|
|
var _options = obj.options;
|
|
var options = self.options;
|
|
for (var i in _options) {
|
|
options[i] = _options[i];
|
|
}
|
|
self.init(options);
|
|
if (isDraw !== false) {
|
|
self.draw();
|
|
}
|
|
}
|
|
}, {
|
|
key: "setOptions",
|
|
value: function setOptions(options) {
|
|
var self = this;
|
|
self.dataSet.reset();
|
|
// console.log('xxx1')
|
|
self.init(options);
|
|
// console.log('xxx')
|
|
self.draw();
|
|
}
|
|
}, {
|
|
key: "set",
|
|
value: function set$$1(obj) {
|
|
var self = this;
|
|
var ctx = this.getContext();
|
|
var conf = this.getDefaultContextConfig();
|
|
for (var i in conf) {
|
|
ctx[i] = conf[i];
|
|
}
|
|
self.init(obj.options);
|
|
self.draw();
|
|
}
|
|
}, {
|
|
key: "destroy",
|
|
value: function destroy() {
|
|
this.unbindEvent();
|
|
this.hide();
|
|
}
|
|
}, {
|
|
key: "initAnimator",
|
|
value: function initAnimator() {
|
|
var self = this;
|
|
var animationOptions = self.options.animation;
|
|
|
|
if (self.options.draw == 'time' || self.isEnabledTime()) {
|
|
|
|
if (!animationOptions.stepsRange) {
|
|
animationOptions.stepsRange = {
|
|
start: this.dataSet.getMin('time') || 0,
|
|
end: this.dataSet.getMax('time') || 0
|
|
};
|
|
}
|
|
|
|
this.steps = { step: animationOptions.stepsRange.start };
|
|
self.animator = new TWEEN.Tween(this.steps).onUpdate(function () {
|
|
self._canvasUpdate(this.step);
|
|
}).repeat(Infinity);
|
|
|
|
this.addAnimatorEvent();
|
|
|
|
var duration = animationOptions.duration * 1000 || 5000;
|
|
|
|
self.animator.to({ step: animationOptions.stepsRange.end }, duration);
|
|
self.animator.start();
|
|
} else {
|
|
self.animator && self.animator.stop();
|
|
}
|
|
}
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {}
|
|
}, {
|
|
key: "animatorMovestartEvent",
|
|
value: function animatorMovestartEvent() {
|
|
var animationOptions = this.options.animation;
|
|
if (this.isEnabledTime() && this.animator) {
|
|
this.steps.step = animationOptions.stepsRange.start;
|
|
this.animator.stop();
|
|
}
|
|
}
|
|
}, {
|
|
key: "animatorMoveendEvent",
|
|
value: function animatorMoveendEvent() {
|
|
if (this.isEnabledTime() && this.animator) {
|
|
this.animator.start();
|
|
}
|
|
}
|
|
}]);
|
|
return BaseLayer;
|
|
}();
|
|
|
|
var AnimationLayer = function (_BaseLayer) {
|
|
inherits(AnimationLayer, _BaseLayer);
|
|
|
|
function AnimationLayer(map, dataSet, options) {
|
|
classCallCheck(this, AnimationLayer);
|
|
|
|
var _this = possibleConstructorReturn(this, (AnimationLayer.__proto__ || Object.getPrototypeOf(AnimationLayer)).call(this, map, dataSet, options));
|
|
|
|
_this.map = map;
|
|
_this.options = options || {};
|
|
_this.dataSet = dataSet;
|
|
|
|
var canvasLayer = new CanvasLayer({
|
|
map: map,
|
|
zIndex: _this.options.zIndex,
|
|
update: _this._canvasUpdate.bind(_this)
|
|
});
|
|
|
|
_this.init(_this.options);
|
|
|
|
_this.canvasLayer = canvasLayer;
|
|
_this.transferToMercator();
|
|
var self = _this;
|
|
dataSet.on('change', function () {
|
|
self.transferToMercator();
|
|
canvasLayer.draw();
|
|
});
|
|
_this.ctx = canvasLayer.canvas.getContext('2d');
|
|
|
|
_this.start();
|
|
return _this;
|
|
}
|
|
|
|
createClass(AnimationLayer, [{
|
|
key: "draw",
|
|
value: function draw() {
|
|
this.canvasLayer.draw();
|
|
}
|
|
}, {
|
|
key: "init",
|
|
value: function init(options) {
|
|
|
|
var self = this;
|
|
self.options = options;
|
|
this.initDataRange(options);
|
|
this.context = self.options.context || '2d';
|
|
|
|
if (self.options.zIndex) {
|
|
this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
|
|
}
|
|
|
|
if (self.options.max) {
|
|
this.intensity.setMax(self.options.max);
|
|
}
|
|
|
|
if (self.options.min) {
|
|
this.intensity.setMin(self.options.min);
|
|
}
|
|
|
|
this.initAnimator();
|
|
}
|
|
|
|
// 经纬度左边转换为墨卡托坐标
|
|
|
|
}, {
|
|
key: "transferToMercator",
|
|
value: function transferToMercator() {
|
|
var projection = this.map.getMapType().getProjection();
|
|
|
|
if (this.options.coordType !== 'bd09mc') {
|
|
var data = this.dataSet.get();
|
|
data = this.dataSet.transferCoordinate(data, function (coordinates) {
|
|
var pixel = projection.lngLatToPoint({
|
|
lng: coordinates[0],
|
|
lat: coordinates[1]
|
|
});
|
|
return [pixel.x, pixel.y];
|
|
}, 'coordinates', 'coordinates_mercator');
|
|
this.dataSet._set(data);
|
|
}
|
|
}
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate() {
|
|
var ctx = this.ctx;
|
|
if (!ctx) {
|
|
return;
|
|
}
|
|
//clear(ctx);
|
|
var map = this.map;
|
|
var zoomUnit = Math.pow(2, 18 - map.getZoom());
|
|
var projection = map.getMapType().getProjection();
|
|
|
|
var mcCenter = projection.lngLatToPoint(map.getCenter());
|
|
var nwMc = new BMap.Pixel(mcCenter.x - map.getSize().width / 2 * zoomUnit, mcCenter.y + map.getSize().height / 2 * zoomUnit); //左上角墨卡托坐标
|
|
|
|
clear(ctx);
|
|
|
|
var dataGetOptions = {
|
|
fromColumn: this.options.coordType == 'bd09mc' ? 'coordinates' : 'coordinates_mercator',
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
if (!coordinate) {
|
|
return;
|
|
}
|
|
var x = (coordinate[0] - nwMc.x) / zoomUnit;
|
|
var y = (nwMc.y - coordinate[1]) / zoomUnit;
|
|
return [x, y];
|
|
}
|
|
};
|
|
|
|
this.data = this.dataSet.get(dataGetOptions);
|
|
|
|
this.processData(this.data);
|
|
|
|
this.drawAnimation();
|
|
}
|
|
}, {
|
|
key: "drawAnimation",
|
|
value: function drawAnimation() {
|
|
var ctx = this.ctx;
|
|
var data = this.data;
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
ctx.save();
|
|
ctx.globalCompositeOperation = 'destination-out';
|
|
ctx.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
|
|
ctx.restore();
|
|
|
|
ctx.save();
|
|
if (this.options.shadowColor) {
|
|
ctx.shadowColor = this.options.shadowColor;
|
|
}
|
|
|
|
if (this.options.shadowBlur) {
|
|
ctx.shadowBlur = this.options.shadowBlur;
|
|
}
|
|
|
|
if (this.options.globalAlpha) {
|
|
ctx.globalAlpha = this.options.globalAlpha;
|
|
}
|
|
|
|
if (this.options.globalCompositeOperation) {
|
|
ctx.globalCompositeOperation = this.options.globalCompositeOperation;
|
|
}
|
|
|
|
var options = this.options;
|
|
for (var i = 0; i < data.length; i++) {
|
|
if (data[i].geometry.type === 'Point') {
|
|
ctx.beginPath();
|
|
var maxSize = data[i].size || this.options.size;
|
|
var minSize = data[i].minSize || this.options.minSize || 0;
|
|
if (data[i]._size === undefined) {
|
|
data[i]._size = minSize;
|
|
}
|
|
ctx.arc(data[i].geometry._coordinates[0], data[i].geometry._coordinates[1], data[i]._size, 0, Math.PI * 2, true);
|
|
ctx.closePath();
|
|
|
|
data[i]._size++;
|
|
|
|
if (data[i]._size > maxSize) {
|
|
data[i]._size = minSize;
|
|
}
|
|
ctx.lineWidth = 1;
|
|
ctx.strokeStyle = data[i].strokeStyle || data[i]._strokeStyle || options.strokeStyle || 'yellow';
|
|
ctx.stroke();
|
|
var fillStyle = data[i].fillStyle || data[i]._fillStyle || options.fillStyle;
|
|
if (fillStyle) {
|
|
ctx.fillStyle = fillStyle;
|
|
ctx.fill();
|
|
}
|
|
} else if (data[i].geometry.type === 'LineString') {
|
|
ctx.beginPath();
|
|
var size = data[i].size || this.options.size || 5;
|
|
var minSize = data[i].minSize || this.options.minSize || 0;
|
|
if (data[i]._index === undefined) {
|
|
data[i]._index = 0;
|
|
}
|
|
var index = data[i]._index;
|
|
ctx.arc(data[i].geometry._coordinates[index][0], data[i].geometry._coordinates[index][1], size, 0, Math.PI * 2, true);
|
|
ctx.closePath();
|
|
|
|
data[i]._index++;
|
|
|
|
if (data[i]._index >= data[i].geometry._coordinates.length) {
|
|
data[i]._index = 0;
|
|
}
|
|
|
|
var strokeStyle = data[i].strokeStyle || options.strokeStyle;
|
|
var fillStyle = data[i].fillStyle || options.fillStyle || 'yellow';
|
|
ctx.fillStyle = fillStyle;
|
|
ctx.fill();
|
|
if (strokeStyle && options.lineWidth) {
|
|
ctx.lineWidth = options.lineWidth || 1;
|
|
ctx.strokeStyle = strokeStyle;
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
}
|
|
ctx.restore();
|
|
}
|
|
}, {
|
|
key: "animate",
|
|
value: function animate() {
|
|
this.drawAnimation();
|
|
var animateTime = this.options.animateTime || 100;
|
|
this.timeout = setTimeout(this.animate.bind(this), animateTime);
|
|
}
|
|
}, {
|
|
key: "start",
|
|
value: function start() {
|
|
this.stop();
|
|
this.animate();
|
|
}
|
|
}, {
|
|
key: "stop",
|
|
value: function stop() {
|
|
clearTimeout(this.timeout);
|
|
}
|
|
}, {
|
|
key: "unbindEvent",
|
|
value: function unbindEvent() {}
|
|
}, {
|
|
key: "hide",
|
|
value: function hide() {
|
|
this.canvasLayer.hide();
|
|
this.stop();
|
|
}
|
|
}, {
|
|
key: "show",
|
|
value: function show() {
|
|
this.start();
|
|
}
|
|
}]);
|
|
return AnimationLayer;
|
|
}(BaseLayer);
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var Layer = function (_BaseLayer) {
|
|
inherits(Layer, _BaseLayer);
|
|
|
|
function Layer(map, dataSet, options) {
|
|
classCallCheck(this, Layer);
|
|
|
|
var _this = possibleConstructorReturn(this, (Layer.__proto__ || Object.getPrototypeOf(Layer)).call(this, map, dataSet, options));
|
|
|
|
var self = _this;
|
|
var data = null;
|
|
options = options || {};
|
|
|
|
_this.clickEvent = _this.clickEvent.bind(_this);
|
|
_this.mousemoveEvent = _this.mousemoveEvent.bind(_this);
|
|
_this.tapEvent = _this.tapEvent.bind(_this);
|
|
|
|
self.init(options);
|
|
self.argCheck(options);
|
|
self.transferToMercator();
|
|
|
|
var canvasLayer = _this.canvasLayer = new CanvasLayer({
|
|
map: map,
|
|
context: _this.context,
|
|
paneName: options.paneName,
|
|
mixBlendMode: options.mixBlendMode,
|
|
enableMassClear: options.enableMassClear,
|
|
zIndex: options.zIndex,
|
|
update: function update() {
|
|
self._canvasUpdate();
|
|
}
|
|
});
|
|
|
|
dataSet.on('change', function () {
|
|
self.transferToMercator();
|
|
canvasLayer.draw();
|
|
});
|
|
|
|
return _this;
|
|
}
|
|
|
|
createClass(Layer, [{
|
|
key: "clickEvent",
|
|
value: function clickEvent(e) {
|
|
var pixel = e.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "clickEvent", this).call(this, pixel, e);
|
|
}
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(e) {
|
|
var pixel = e.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "mousemoveEvent", this).call(this, pixel, e);
|
|
}
|
|
}, {
|
|
key: "tapEvent",
|
|
value: function tapEvent(e) {
|
|
var pixel = e.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "tapEvent", this).call(this, pixel, e);
|
|
}
|
|
}, {
|
|
key: "bindEvent",
|
|
value: function bindEvent(e) {
|
|
this.unbindEvent();
|
|
var map = this.map;
|
|
var timer = 0;
|
|
var that = this;
|
|
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.setDefaultCursor("default");
|
|
map.addEventListener('click', this.clickEvent);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.addEventListener('mousemove', this.mousemoveEvent);
|
|
}
|
|
|
|
if ("ontouchend" in window.document && this.options.methods.tap) {
|
|
map.addEventListener('touchstart', function (e) {
|
|
timer = new Date();
|
|
});
|
|
map.addEventListener('touchend', function (e) {
|
|
if (new Date() - timer < 300) {
|
|
that.tapEvent(e);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "unbindEvent",
|
|
value: function unbindEvent(e) {
|
|
var map = this.map;
|
|
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.removeEventListener('click', this.clickEvent);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.removeEventListener('mousemove', this.mousemoveEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 经纬度左边转换为墨卡托坐标
|
|
|
|
}, {
|
|
key: "transferToMercator",
|
|
value: function transferToMercator(dataSet) {
|
|
if (!dataSet) {
|
|
dataSet = this.dataSet;
|
|
}
|
|
var projection = this.map.getMapType().getProjection();
|
|
|
|
if (this.options.coordType !== 'bd09mc') {
|
|
var data = dataSet.get();
|
|
data = dataSet.transferCoordinate(data, function (coordinates) {
|
|
if (coordinates[0] < -180 || coordinates[0] > 180 || coordinates[1] < -90 || coordinates[1] > 90) {
|
|
return coordinates;
|
|
} else {
|
|
var pixel = projection.lngLatToPoint({
|
|
lng: coordinates[0],
|
|
lat: coordinates[1]
|
|
});
|
|
return [pixel.x, pixel.y];
|
|
}
|
|
}, 'coordinates', 'coordinates_mercator');
|
|
dataSet._set(data);
|
|
}
|
|
}
|
|
}, {
|
|
key: "getContext",
|
|
value: function getContext() {
|
|
return this.canvasLayer.canvas.getContext(this.context);
|
|
}
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate(time) {
|
|
if (!this.canvasLayer) {
|
|
return;
|
|
}
|
|
|
|
var self = this;
|
|
|
|
var animationOptions = self.options.animation;
|
|
|
|
var map = this.canvasLayer._map;
|
|
|
|
var zoomUnit = Math.pow(2, 18 - map.getZoom());
|
|
var projection = map.getMapType().getProjection();
|
|
|
|
var mcCenter = projection.lngLatToPoint(map.getCenter());
|
|
var nwMc = new BMap.Pixel(mcCenter.x - map.getSize().width / 2 * zoomUnit, mcCenter.y + map.getSize().height / 2 * zoomUnit); //左上角墨卡托坐标
|
|
|
|
var context = this.getContext();
|
|
|
|
if (self.isEnabledTime()) {
|
|
if (time === undefined) {
|
|
clear(context);
|
|
return;
|
|
}
|
|
if (this.context == '2d') {
|
|
context.save();
|
|
context.globalCompositeOperation = 'destination-out';
|
|
context.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
context.restore();
|
|
}
|
|
} else {
|
|
clear(context);
|
|
}
|
|
|
|
if (this.context == '2d') {
|
|
for (var key in self.options) {
|
|
context[key] = self.options[key];
|
|
}
|
|
} else {
|
|
context.clear(context.COLOR_BUFFER_BIT);
|
|
}
|
|
|
|
if (self.options.minZoom && map.getZoom() < self.options.minZoom || self.options.maxZoom && map.getZoom() > self.options.maxZoom) {
|
|
return;
|
|
}
|
|
|
|
var scale = 1;
|
|
if (this.context != '2d') {
|
|
scale = this.canvasLayer.devicePixelRatio;
|
|
}
|
|
|
|
var dataGetOptions = {
|
|
fromColumn: self.options.coordType == 'bd09mc' ? 'coordinates' : 'coordinates_mercator',
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
var x = (coordinate[0] - nwMc.x) / zoomUnit * scale;
|
|
var y = (nwMc.y - coordinate[1]) / zoomUnit * scale;
|
|
return [x, y];
|
|
}
|
|
};
|
|
|
|
if (time !== undefined) {
|
|
dataGetOptions.filter = function (item) {
|
|
var trails = animationOptions.trails || 10;
|
|
if (time && item.time > time - trails && item.time < time) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
}
|
|
|
|
// get data from data set
|
|
var data;
|
|
|
|
if (self.options.draw === 'cluster') {
|
|
var bounds = this.map.getBounds();
|
|
var ne = bounds.getNorthEast();
|
|
var sw = bounds.getSouthWest();
|
|
var clusterData = this.supercluster.getClusters([sw.lng, sw.lat, ne.lng, ne.lat], this.getZoom());
|
|
this.clusterDataSet.set(clusterData);
|
|
this.transferToMercator(this.clusterDataSet);
|
|
data = this.clusterDataSet.get(dataGetOptions);
|
|
} else {
|
|
data = self.dataSet.get(dataGetOptions);
|
|
}
|
|
|
|
this.processData(data);
|
|
|
|
var nwPixel = map.pointToPixel(new BMap.Point(0, 0));
|
|
|
|
if (self.options.unit == 'm') {
|
|
if (self.options.size) {
|
|
self.options._size = self.options.size / zoomUnit;
|
|
}
|
|
if (self.options.width) {
|
|
self.options._width = self.options.width / zoomUnit;
|
|
}
|
|
if (self.options.height) {
|
|
self.options._height = self.options.height / zoomUnit;
|
|
}
|
|
} else {
|
|
self.options._size = self.options.size;
|
|
self.options._height = self.options.height;
|
|
self.options._width = self.options.width;
|
|
}
|
|
|
|
this.drawContext(context, data, self.options, nwPixel);
|
|
|
|
//console.timeEnd('draw');
|
|
|
|
//console.timeEnd('update')
|
|
self.options.updateCallback && self.options.updateCallback(time);
|
|
}
|
|
}, {
|
|
key: "init",
|
|
value: function init(options) {
|
|
|
|
var self = this;
|
|
self.options = options;
|
|
this.initDataRange(options);
|
|
this.context = self.options.context || '2d';
|
|
|
|
if (self.options.zIndex) {
|
|
this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
|
|
}
|
|
|
|
if (self.options.max) {
|
|
this.intensity.setMax(self.options.max);
|
|
}
|
|
|
|
if (self.options.min) {
|
|
this.intensity.setMin(self.options.min);
|
|
}
|
|
|
|
this.initAnimator();
|
|
this.bindEvent();
|
|
}
|
|
}, {
|
|
key: "getZoom",
|
|
value: function getZoom() {
|
|
return this.map.getZoom();
|
|
}
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {
|
|
this.map.addEventListener('movestart', this.animatorMovestartEvent.bind(this));
|
|
this.map.addEventListener('moveend', this.animatorMoveendEvent.bind(this));
|
|
}
|
|
}, {
|
|
key: "show",
|
|
value: function show() {
|
|
this.map.addOverlay(this.canvasLayer);
|
|
}
|
|
}, {
|
|
key: "hide",
|
|
value: function hide() {
|
|
this.map.removeOverlay(this.canvasLayer);
|
|
}
|
|
}, {
|
|
key: "draw",
|
|
value: function draw() {
|
|
this.canvasLayer.draw();
|
|
}
|
|
}]);
|
|
return Layer;
|
|
}(BaseLayer);
|
|
|
|
/**
|
|
* Copyright 2012 Google Inc. All Rights Reserved.
|
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Extends OverlayView to provide a canvas "Layer".
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* @author Brendan Kenny
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*/
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/**
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* A map layer that provides a canvas over the slippy map and a callback
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* system for efficient animation. Requires canvas and CSS 2D transform
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* support.
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* @constructor
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* @extends google.maps.OverlayView
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* @param {CanvasLayerOptions=} opt_options Options to set in this CanvasLayer.
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*/
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function CanvasLayer$2(opt_options) {
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/**
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* If true, canvas is in a map pane and the OverlayView is fully functional.
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* See google.maps.OverlayView.onAdd for more information.
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* @type {boolean}
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* @private
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*/
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this.isAdded_ = false;
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/**
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* If true, each update will immediately schedule the next.
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* @type {boolean}
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* @private
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*/
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this.isAnimated_ = false;
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/**
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* The name of the MapPane in which this layer will be displayed.
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* @type {string}
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* @private
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*/
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this.paneName_ = CanvasLayer$2.DEFAULT_PANE_NAME_;
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/**
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* A user-supplied function called whenever an update is required. Null or
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* undefined if a callback is not provided.
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* @type {?function=}
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* @private
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*/
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this.updateHandler_ = null;
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/**
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* A user-supplied function called whenever an update is required and the
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* map has been resized since the last update. Null or undefined if a
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* callback is not provided.
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* @type {?function}
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* @private
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*/
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this.resizeHandler_ = null;
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/**
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* The LatLng coordinate of the top left of the current view of the map. Will
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* be null when this.isAdded_ is false.
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* @type {google.maps.LatLng}
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* @private
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*/
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this.topLeft_ = null;
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/**
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* The map-pan event listener. Will be null when this.isAdded_ is false. Will
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* be null when this.isAdded_ is false.
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* @type {?function}
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* @private
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*/
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this.centerListener_ = null;
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/**
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* The map-resize event listener. Will be null when this.isAdded_ is false.
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* @type {?function}
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* @private
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*/
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this.resizeListener_ = null;
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/**
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* If true, the map size has changed and this.resizeHandler_ must be called
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* on the next update.
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* @type {boolean}
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* @private
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*/
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this.needsResize_ = true;
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/**
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* A browser-defined id for the currently requested callback. Null when no
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* callback is queued.
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* @type {?number}
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* @private
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*/
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this.requestAnimationFrameId_ = null;
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var canvas = document.createElement('canvas');
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canvas.style.position = 'absolute';
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canvas.style.top = 0;
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canvas.style.left = 0;
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canvas.style.pointerEvents = 'none';
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/**
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* The canvas element.
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* @type {!HTMLCanvasElement}
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*/
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this.canvas = canvas;
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/**
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* The CSS width of the canvas, which may be different than the width of the
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* backing store.
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* @private {number}
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*/
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this.canvasCssWidth_ = 300;
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/**
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* The CSS height of the canvas, which may be different than the height of
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* the backing store.
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* @private {number}
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*/
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this.canvasCssHeight_ = 150;
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/**
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* A value for scaling the CanvasLayer resolution relative to the CanvasLayer
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* display size.
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* @private {number}
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*/
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this.resolutionScale_ = 1;
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/**
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* Simple bind for functions with no args for bind-less browsers (Safari).
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* @param {Object} thisArg The this value used for the target function.
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* @param {function} func The function to be bound.
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*/
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function simpleBindShim(thisArg, func) {
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return function () {
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func.apply(thisArg);
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};
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}
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/**
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* A reference to this.repositionCanvas_ with this bound as its this value.
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* @type {function}
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* @private
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*/
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this.repositionFunction_ = simpleBindShim(this, this.repositionCanvas_);
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/**
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* A reference to this.resize_ with this bound as its this value.
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* @type {function}
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* @private
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*/
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this.resizeFunction_ = simpleBindShim(this, this.resize_);
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/**
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* A reference to this.update_ with this bound as its this value.
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* @type {function}
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* @private
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*/
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this.requestUpdateFunction_ = simpleBindShim(this, this.update_);
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// set provided options, if any
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if (opt_options) {
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this.setOptions(opt_options);
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}
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}
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var global$4 = typeof window === 'undefined' ? {} : window;
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if (global$4.google && global$4.google.maps) {
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CanvasLayer$2.prototype = new google.maps.OverlayView();
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/**
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* The default MapPane to contain the canvas.
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* @type {string}
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* @const
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* @private
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*/
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CanvasLayer$2.DEFAULT_PANE_NAME_ = 'overlayLayer';
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/**
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* Transform CSS property name, with vendor prefix if required. If browser
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* does not support transforms, property will be ignored.
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* @type {string}
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* @const
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* @private
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*/
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CanvasLayer$2.CSS_TRANSFORM_ = function () {
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var div = document.createElement('div');
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var transformProps = ['transform', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform'];
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for (var i = 0; i < transformProps.length; i++) {
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var prop = transformProps[i];
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if (div.style[prop] !== undefined) {
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return prop;
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}
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}
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// return unprefixed version by default
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return transformProps[0];
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}();
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/**
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* The requestAnimationFrame function, with vendor-prefixed or setTimeout-based
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* fallbacks. MUST be called with window as thisArg.
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* @type {function}
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* @param {function} callback The function to add to the frame request queue.
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* @return {number} The browser-defined id for the requested callback.
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* @private
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*/
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CanvasLayer$2.prototype.requestAnimFrame_ = global$4.requestAnimationFrame || global$4.webkitRequestAnimationFrame || global$4.mozRequestAnimationFrame || global$4.oRequestAnimationFrame || global$4.msRequestAnimationFrame || function (callback) {
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return global$4.setTimeout(callback, 1000 / 60);
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};
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/**
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* The cancelAnimationFrame function, with vendor-prefixed fallback. Does not
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* fall back to clearTimeout as some platforms implement requestAnimationFrame
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* but not cancelAnimationFrame, and the cost is an extra frame on onRemove.
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* MUST be called with window as thisArg.
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* @type {function}
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* @param {number=} requestId The id of the frame request to cancel.
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* @private
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*/
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CanvasLayer$2.prototype.cancelAnimFrame_ = global$4.cancelAnimationFrame || global$4.webkitCancelAnimationFrame || global$4.mozCancelAnimationFrame || global$4.oCancelAnimationFrame || global$4.msCancelAnimationFrame || function (requestId) {};
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/**
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* Sets any options provided. See CanvasLayerOptions for more information.
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* @param {CanvasLayerOptions} options The options to set.
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*/
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CanvasLayer$2.prototype.setOptions = function (options) {
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if (options.animate !== undefined) {
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this.setAnimate(options.animate);
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}
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if (options.paneName !== undefined) {
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this.setPaneName(options.paneName);
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}
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if (options.updateHandler !== undefined) {
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this.setUpdateHandler(options.updateHandler);
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}
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if (options.resizeHandler !== undefined) {
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this.setResizeHandler(options.resizeHandler);
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}
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if (options.resolutionScale !== undefined) {
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this.setResolutionScale(options.resolutionScale);
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}
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if (options.map !== undefined) {
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this.setMap(options.map);
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}
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};
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/**
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* Set the animated state of the layer. If true, updateHandler will be called
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* repeatedly, once per frame. If false, updateHandler will only be called when
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* a map property changes that could require the canvas content to be redrawn.
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* @param {boolean} animate Whether the canvas is animated.
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*/
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CanvasLayer$2.prototype.setAnimate = function (animate) {
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this.isAnimated_ = !!animate;
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if (this.isAnimated_) {
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this.scheduleUpdate();
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}
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};
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/**
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* @return {boolean} Whether the canvas is animated.
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*/
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CanvasLayer$2.prototype.isAnimated = function () {
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return this.isAnimated_;
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};
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/**
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* Set the MapPane in which this layer will be displayed, by name. See
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* {@code google.maps.MapPanes} for the panes available.
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* @param {string} paneName The name of the desired MapPane.
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*/
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CanvasLayer$2.prototype.setPaneName = function (paneName) {
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this.paneName_ = paneName;
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this.setPane_();
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};
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/**
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* @return {string} The name of the current container pane.
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*/
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CanvasLayer$2.prototype.getPaneName = function () {
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return this.paneName_;
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};
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/**
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* Adds the canvas to the specified container pane. Since this is guaranteed to
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* execute only after onAdd is called, this is when paneName's existence is
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* checked (and an error is thrown if it doesn't exist).
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* @private
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*/
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CanvasLayer$2.prototype.setPane_ = function () {
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if (!this.isAdded_) {
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return;
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}
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// onAdd has been called, so panes can be used
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var panes = this.getPanes();
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if (!panes[this.paneName_]) {
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throw new Error('"' + this.paneName_ + '" is not a valid MapPane name.');
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}
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panes[this.paneName_].appendChild(this.canvas);
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};
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/**
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* Set a function that will be called whenever the parent map and the overlay's
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* canvas have been resized. If opt_resizeHandler is null or unspecified, any
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* existing callback is removed.
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* @param {?function=} opt_resizeHandler The resize callback function.
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*/
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CanvasLayer$2.prototype.setResizeHandler = function (opt_resizeHandler) {
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this.resizeHandler_ = opt_resizeHandler;
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};
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/**
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* Sets a value for scaling the canvas resolution relative to the canvas
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* display size. This can be used to save computation by scaling the backing
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* buffer down, or to support high DPI devices by scaling it up (by e.g.
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* window.devicePixelRatio).
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* @param {number} scale
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*/
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CanvasLayer$2.prototype.setResolutionScale = function (scale) {
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if (typeof scale === 'number') {
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this.resolutionScale_ = scale;
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this.resize_();
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}
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};
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/**
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* Set a function that will be called when a repaint of the canvas is required.
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* If opt_updateHandler is null or unspecified, any existing callback is
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* removed.
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* @param {?function=} opt_updateHandler The update callback function.
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*/
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CanvasLayer$2.prototype.setUpdateHandler = function (opt_updateHandler) {
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this.updateHandler_ = opt_updateHandler;
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};
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/**
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* @inheritDoc
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*/
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CanvasLayer$2.prototype.onAdd = function () {
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if (this.isAdded_) {
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return;
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}
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this.isAdded_ = true;
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this.setPane_();
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this.resizeListener_ = google.maps.event.addListener(this.getMap(), 'resize', this.resizeFunction_);
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this.centerListener_ = google.maps.event.addListener(this.getMap(), 'center_changed', this.repositionFunction_);
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this.resize_();
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this.repositionCanvas_();
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};
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/**
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* @inheritDoc
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*/
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CanvasLayer$2.prototype.onRemove = function () {
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if (!this.isAdded_) {
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return;
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}
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this.isAdded_ = false;
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this.topLeft_ = null;
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// remove canvas and listeners for pan and resize from map
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this.canvas.parentElement.removeChild(this.canvas);
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if (this.centerListener_) {
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google.maps.event.removeListener(this.centerListener_);
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this.centerListener_ = null;
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}
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if (this.resizeListener_) {
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google.maps.event.removeListener(this.resizeListener_);
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this.resizeListener_ = null;
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}
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// cease canvas update callbacks
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if (this.requestAnimationFrameId_) {
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this.cancelAnimFrame_.call(global$4, this.requestAnimationFrameId_);
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this.requestAnimationFrameId_ = null;
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}
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};
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/**
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* The internal callback for resize events that resizes the canvas to keep the
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* map properly covered.
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* @private
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*/
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CanvasLayer$2.prototype.resize_ = function () {
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if (!this.isAdded_) {
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return;
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}
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var map = this.getMap();
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var mapWidth = map.getDiv().offsetWidth;
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var mapHeight = map.getDiv().offsetHeight;
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var newWidth = mapWidth * this.resolutionScale_;
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var newHeight = mapHeight * this.resolutionScale_;
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var oldWidth = this.canvas.width;
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var oldHeight = this.canvas.height;
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// resizing may allocate a new back buffer, so do so conservatively
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if (oldWidth !== newWidth || oldHeight !== newHeight) {
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this.canvas.width = newWidth;
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this.canvas.height = newHeight;
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this.needsResize_ = true;
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this.scheduleUpdate();
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}
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// reset styling if new sizes don't match; resize of data not needed
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if (this.canvasCssWidth_ !== mapWidth || this.canvasCssHeight_ !== mapHeight) {
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this.canvasCssWidth_ = mapWidth;
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this.canvasCssHeight_ = mapHeight;
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this.canvas.style.width = mapWidth + 'px';
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this.canvas.style.height = mapHeight + 'px';
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}
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};
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/**
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* @inheritDoc
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*/
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CanvasLayer$2.prototype.draw = function () {
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this.repositionCanvas_();
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};
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/**
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* Internal callback for map view changes. Since the Maps API moves the overlay
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* along with the map, this function calculates the opposite translation to
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* keep the canvas in place.
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* @private
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*/
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CanvasLayer$2.prototype.repositionCanvas_ = function () {
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// TODO(bckenny): *should* only be executed on RAF, but in current browsers
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// this causes noticeable hitches in map and overlay relative
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// positioning.
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var map = this.getMap();
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// topLeft can't be calculated from map.getBounds(), because bounds are
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// clamped to -180 and 180 when completely zoomed out. Instead, calculate
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// left as an offset from the center, which is an unwrapped LatLng.
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var top = map.getBounds().getNorthEast().lat();
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var center = map.getCenter();
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var scale = Math.pow(2, map.getZoom());
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var left = center.lng() - this.canvasCssWidth_ * 180 / (256 * scale);
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this.topLeft_ = new google.maps.LatLng(top, left);
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// Canvas position relative to draggable map's container depends on
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// overlayView's projection, not the map's. Have to use the center of the
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// map for this, not the top left, for the same reason as above.
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var projection = this.getProjection();
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var divCenter = projection.fromLatLngToDivPixel(center);
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var offsetX = -Math.round(this.canvasCssWidth_ / 2 - divCenter.x);
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var offsetY = -Math.round(this.canvasCssHeight_ / 2 - divCenter.y);
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this.canvas.style[CanvasLayer$2.CSS_TRANSFORM_] = 'translate(' + offsetX + 'px,' + offsetY + 'px)';
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this.scheduleUpdate();
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};
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/**
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|
* Internal callback that serves as main animation scheduler via
|
|
* requestAnimationFrame. Calls resize and update callbacks if set, and
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* schedules the next frame if overlay is animated.
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* @private
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*/
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CanvasLayer$2.prototype.update_ = function () {
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this.requestAnimationFrameId_ = null;
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if (!this.isAdded_) {
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return;
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}
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if (this.isAnimated_) {
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this.scheduleUpdate();
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}
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if (this.needsResize_ && this.resizeHandler_) {
|
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this.needsResize_ = false;
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this.resizeHandler_();
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}
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if (this.updateHandler_) {
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this.updateHandler_();
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}
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};
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|
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/**
|
|
* A convenience method to get the current LatLng coordinate of the top left of
|
|
* the current view of the map.
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|
* @return {google.maps.LatLng} The top left coordinate.
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|
*/
|
|
CanvasLayer$2.prototype.getTopLeft = function () {
|
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return this.topLeft_;
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};
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|
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/**
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|
* Schedule a requestAnimationFrame callback to updateHandler. If one is
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* already scheduled, there is no effect.
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*/
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CanvasLayer$2.prototype.scheduleUpdate = function () {
|
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if (this.isAdded_ && !this.requestAnimationFrameId_) {
|
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this.requestAnimationFrameId_ = this.requestAnimFrame_.call(global$4, this.requestUpdateFunction_);
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}
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};
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}
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|
|
/**
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|
* @author kyle / http://nikai.us/
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|
*/
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|
|
var Layer$2 = function (_BaseLayer) {
|
|
inherits(Layer, _BaseLayer);
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|
|
function Layer(map, dataSet, options) {
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classCallCheck(this, Layer);
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|
|
var _this = possibleConstructorReturn(this, (Layer.__proto__ || Object.getPrototypeOf(Layer)).call(this, map, dataSet, options));
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|
|
var self = _this;
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var data = null;
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|
options = options || {};
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|
self.init(options);
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self.argCheck(options);
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|
|
var canvasLayerOptions = {
|
|
map: map,
|
|
animate: false,
|
|
updateHandler: function updateHandler() {
|
|
self._canvasUpdate();
|
|
},
|
|
resolutionScale: resolutionScale
|
|
};
|
|
|
|
var canvasLayer = _this.canvasLayer = new CanvasLayer$2(canvasLayerOptions);
|
|
|
|
_this.clickEvent = _this.clickEvent.bind(_this);
|
|
_this.mousemoveEvent = _this.mousemoveEvent.bind(_this);
|
|
_this.bindEvent();
|
|
return _this;
|
|
}
|
|
|
|
createClass(Layer, [{
|
|
key: "clickEvent",
|
|
value: function clickEvent(e) {
|
|
var pixel = e.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "clickEvent", this).call(this, pixel, e);
|
|
}
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(e) {
|
|
var pixel = e.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "mousemoveEvent", this).call(this, pixel, e);
|
|
}
|
|
}, {
|
|
key: "bindEvent",
|
|
value: function bindEvent(e) {
|
|
var map = this.map;
|
|
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.setDefaultCursor("default");
|
|
map.addListener('click', this.clickEvent);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.addListener('mousemove', this.mousemoveEvent);
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "unbindEvent",
|
|
value: function unbindEvent(e) {
|
|
var map = this.map;
|
|
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.removeListener('click', this.clickEvent);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.removeListener('mousemove', this.mousemoveEvent);
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: "getContext",
|
|
value: function getContext() {
|
|
return this.canvasLayer.canvas.getContext(this.context);
|
|
}
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate(time) {
|
|
if (!this.canvasLayer) {
|
|
return;
|
|
}
|
|
|
|
var self = this;
|
|
|
|
var animationOptions = self.options.animation;
|
|
|
|
var context = this.getContext();
|
|
|
|
if (self.isEnabledTime()) {
|
|
if (time === undefined) {
|
|
clear(context);
|
|
return;
|
|
}
|
|
if (this.context == '2d') {
|
|
context.save();
|
|
context.globalCompositeOperation = 'destination-out';
|
|
context.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
context.restore();
|
|
}
|
|
} else {
|
|
clear(context);
|
|
}
|
|
|
|
if (this.context == '2d') {
|
|
for (var key in self.options) {
|
|
context[key] = self.options[key];
|
|
}
|
|
} else {
|
|
context.clear(context.COLOR_BUFFER_BIT);
|
|
}
|
|
|
|
if (self.options.minZoom && map.getZoom() < self.options.minZoom || self.options.maxZoom && map.getZoom() > self.options.maxZoom) {
|
|
return;
|
|
}
|
|
|
|
var scale = 1;
|
|
if (this.context != '2d') {
|
|
scale = this.canvasLayer.devicePixelRatio;
|
|
}
|
|
|
|
var map = this.map;
|
|
var mapProjection = map.getProjection();
|
|
var scale = Math.pow(2, map.zoom) * resolutionScale;
|
|
var offset = mapProjection.fromLatLngToPoint(this.canvasLayer.getTopLeft());
|
|
var dataGetOptions = {
|
|
//fromColumn: self.options.coordType == 'bd09mc' ? 'coordinates' : 'coordinates_mercator',
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
var latLng = new google.maps.LatLng(coordinate[1], coordinate[0]);
|
|
var worldPoint = mapProjection.fromLatLngToPoint(latLng);
|
|
var pixel = {
|
|
x: (worldPoint.x - offset.x) * scale,
|
|
y: (worldPoint.y - offset.y) * scale
|
|
};
|
|
return [pixel.x, pixel.y];
|
|
}
|
|
};
|
|
|
|
if (time !== undefined) {
|
|
dataGetOptions.filter = function (item) {
|
|
var trails = animationOptions.trails || 10;
|
|
if (time && item.time > time - trails && item.time < time) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
}
|
|
|
|
// get data from data set
|
|
var data = self.dataSet.get(dataGetOptions);
|
|
|
|
this.processData(data);
|
|
|
|
var latLng = new google.maps.LatLng(0, 0);
|
|
var worldPoint = mapProjection.fromLatLngToPoint(latLng);
|
|
var pixel = {
|
|
x: (worldPoint.x - offset.x) * scale,
|
|
y: (worldPoint.y - offset.y) * scale
|
|
};
|
|
|
|
if (self.options.unit == 'm' && self.options.size) {
|
|
self.options._size = self.options.size / zoomUnit;
|
|
} else {
|
|
self.options._size = self.options.size;
|
|
}
|
|
|
|
this.drawContext(context, new DataSet(data), self.options, pixel);
|
|
|
|
//console.timeEnd('draw');
|
|
|
|
//console.timeEnd('update')
|
|
self.options.updateCallback && self.options.updateCallback(time);
|
|
}
|
|
}, {
|
|
key: "init",
|
|
value: function init(options) {
|
|
|
|
var self = this;
|
|
|
|
self.options = options;
|
|
|
|
this.initDataRange(options);
|
|
|
|
this.context = self.options.context || '2d';
|
|
|
|
if (self.options.zIndex) {
|
|
this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
|
|
}
|
|
|
|
this.initAnimator();
|
|
}
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {
|
|
this.map.addListener('movestart', this.animatorMovestartEvent.bind(this));
|
|
this.map.addListener('moveend', this.animatorMoveendEvent.bind(this));
|
|
}
|
|
}, {
|
|
key: "show",
|
|
value: function show() {
|
|
this.map.addOverlay(this.canvasLayer);
|
|
}
|
|
}, {
|
|
key: "hide",
|
|
value: function hide() {
|
|
this.map.removeOverlay(this.canvasLayer);
|
|
}
|
|
}, {
|
|
key: "draw",
|
|
value: function draw() {
|
|
self.canvasLayer.draw();
|
|
}
|
|
}]);
|
|
return Layer;
|
|
}(BaseLayer);
|
|
|
|
/**
|
|
* MapV for maptalks.js (https://github.com/maptalks/maptalks.js)
|
|
* @author fuzhenn / https://github.com/fuzhenn
|
|
*/
|
|
// import * as maptalks from 'maptalks';
|
|
var Layer$4 = void 0;
|
|
if (typeof maptalks !== 'undefined') {
|
|
Layer$4 = function (_maptalks$Layer) {
|
|
inherits(Layer, _maptalks$Layer);
|
|
|
|
function Layer(id, dataSet, options) {
|
|
classCallCheck(this, Layer);
|
|
|
|
var _this = possibleConstructorReturn(this, (Layer.__proto__ || Object.getPrototypeOf(Layer)).call(this, id, options));
|
|
|
|
_this.options_ = options;
|
|
_this.dataSet = dataSet;
|
|
_this._initBaseLayer(options);
|
|
return _this;
|
|
}
|
|
|
|
createClass(Layer, [{
|
|
key: "_initBaseLayer",
|
|
value: function _initBaseLayer(options) {
|
|
var self = this;
|
|
var baseLayer = this.baseLayer = new BaseLayer(null, this.dataSet, options);
|
|
self.init(options);
|
|
baseLayer.argCheck(options);
|
|
}
|
|
}, {
|
|
key: "clickEvent",
|
|
value: function clickEvent(e) {
|
|
if (!this.baseLayer) {
|
|
return;
|
|
}
|
|
var pixel = e.containerPoint;
|
|
this.baseLayer.clickEvent(pixel, e.domEvent);
|
|
}
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(e) {
|
|
if (!this.baseLayer) {
|
|
return;
|
|
}
|
|
var pixel = e.containerPoint;
|
|
this.baseLayer.mousemoveEvent(pixel, e.domEvent);
|
|
}
|
|
}, {
|
|
key: "getEvents",
|
|
value: function getEvents() {
|
|
return {
|
|
'click': this.clickEvent,
|
|
'mousemove': this.mousemoveEvent
|
|
};
|
|
}
|
|
}, {
|
|
key: "init",
|
|
value: function init(options) {
|
|
|
|
var base = this.baseLayer;
|
|
|
|
base.options = options;
|
|
|
|
base.initDataRange(options);
|
|
|
|
base.context = base.options.context || '2d';
|
|
|
|
base.initAnimator();
|
|
}
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {
|
|
this.map.addListener('movestart', this.animatorMovestartEvent.bind(this));
|
|
this.map.addListener('moveend', this.animatorMoveendEvent.bind(this));
|
|
}
|
|
}]);
|
|
return Layer;
|
|
}(maptalks.Layer);
|
|
|
|
var LayerRenderer = function (_maptalks$renderer$Ca) {
|
|
inherits(LayerRenderer, _maptalks$renderer$Ca);
|
|
|
|
function LayerRenderer() {
|
|
classCallCheck(this, LayerRenderer);
|
|
return possibleConstructorReturn(this, (LayerRenderer.__proto__ || Object.getPrototypeOf(LayerRenderer)).apply(this, arguments));
|
|
}
|
|
|
|
createClass(LayerRenderer, [{
|
|
key: "needToRedraw",
|
|
value: function needToRedraw() {
|
|
var base = this.layer.baseLayer;
|
|
if (base.isEnabledTime()) {
|
|
return true;
|
|
}
|
|
return get(LayerRenderer.prototype.__proto__ || Object.getPrototypeOf(LayerRenderer.prototype), "needToRedraw", this).call(this);
|
|
}
|
|
}, {
|
|
key: "draw",
|
|
value: function draw() {
|
|
var base = this.layer.baseLayer;
|
|
if (!this.canvas || !base.isEnabledTime() || this._shouldClear) {
|
|
this.prepareCanvas();
|
|
this._shouldClear = false;
|
|
}
|
|
this._update(this.gl || this.context, this._mapvFrameTime);
|
|
delete this._mapvFrameTime;
|
|
this.completeRender();
|
|
}
|
|
}, {
|
|
key: "drawOnInteracting",
|
|
value: function drawOnInteracting() {
|
|
this.draw();
|
|
this._shouldClear = false;
|
|
}
|
|
}, {
|
|
key: "onSkipDrawOnInteracting",
|
|
value: function onSkipDrawOnInteracting() {
|
|
this._shouldClear = true;
|
|
}
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate(time) {
|
|
this.setToRedraw();
|
|
this._mapvFrameTime = time;
|
|
}
|
|
}, {
|
|
key: "_update",
|
|
value: function _update(context, time) {
|
|
if (!this.canvas) {
|
|
return;
|
|
}
|
|
|
|
var self = this.layer.baseLayer;
|
|
|
|
var animationOptions = self.options.animation;
|
|
|
|
var map = this.getMap();
|
|
|
|
if (self.isEnabledTime()) {
|
|
if (time === undefined) {
|
|
clear(context);
|
|
return;
|
|
}
|
|
if (self.context == '2d') {
|
|
context.save();
|
|
context.globalCompositeOperation = 'destination-out';
|
|
context.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
context.restore();
|
|
}
|
|
} else {
|
|
clear(context);
|
|
}
|
|
|
|
if (self.context == '2d') {
|
|
for (var key in self.options) {
|
|
context[key] = self.options[key];
|
|
}
|
|
} else {
|
|
context.clear(context.COLOR_BUFFER_BIT);
|
|
}
|
|
|
|
var scale = 1;
|
|
if (self.context === '2d' && self.options.draw !== 'heatmap') {
|
|
//in heatmap.js, devicePixelRatio is being mulitplied independently
|
|
scale = self.canvasLayer.devicePixelRatio;
|
|
}
|
|
|
|
//reuse to save coordinate instance creation
|
|
var coord = new maptalks.Coordinate(0, 0);
|
|
var dataGetOptions = {
|
|
fromColumn: self.options.coordType === 'bd09mc' ? 'coordinates_mercator' : 'coordinates',
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
coord.x = coordinate[0];
|
|
coord.y = coordinate[1];
|
|
var r = map.coordToContainerPoint(coord)._multi(scale).toArray();
|
|
return r;
|
|
}
|
|
};
|
|
|
|
if (time !== undefined) {
|
|
dataGetOptions.filter = function (item) {
|
|
var trails = animationOptions.trails || 10;
|
|
if (time && item.time > time - trails && item.time < time) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
}
|
|
|
|
// get data from data set
|
|
var data = self.dataSet.get(dataGetOptions);
|
|
|
|
self.processData(data);
|
|
|
|
if (self.options.unit == 'm') {
|
|
if (self.options.size) {
|
|
self.options._size = self.options.size / zoomUnit;
|
|
}
|
|
if (self.options.width) {
|
|
self.options._width = self.options.width / zoomUnit;
|
|
}
|
|
if (self.options.height) {
|
|
self.options._height = self.options.height / zoomUnit;
|
|
}
|
|
} else {
|
|
self.options._size = self.options.size;
|
|
self.options._height = self.options.height;
|
|
self.options._width = self.options.width;
|
|
}
|
|
|
|
var zeroZero = new maptalks.Point(0, 0);
|
|
//screen position of the [0, 0] point
|
|
var zeroZeroScreen = map._pointToContainerPoint(zeroZero)._multi(scale);
|
|
self.drawContext(context, data, self.options, zeroZeroScreen);
|
|
|
|
//console.timeEnd('draw');
|
|
|
|
//console.timeEnd('update')
|
|
self.options.updateCallback && self.options.updateCallback(time);
|
|
}
|
|
}, {
|
|
key: "createCanvas",
|
|
value: function createCanvas() {
|
|
if (this.canvas) {
|
|
return;
|
|
}
|
|
var map = this.getMap();
|
|
var size = map.getSize();
|
|
var r = maptalks.Browser.retina ? 2 : 1,
|
|
w = r * size.width,
|
|
h = r * size.height;
|
|
this.canvas = maptalks.Canvas.createCanvas(w, h, map.CanvasClass);
|
|
var mapvContext = this.layer.baseLayer.context;
|
|
if (mapvContext === '2d') {
|
|
this.context = this.canvas.getContext('2d');
|
|
if (this.layer.options['globalCompositeOperation']) {
|
|
this.context.globalCompositeOperation = this.layer.options['globalCompositeOperation'];
|
|
}
|
|
} else {
|
|
var attributes = {
|
|
'alpha': true,
|
|
'preserveDrawingBuffer': true,
|
|
'antialias': false
|
|
};
|
|
this.gl = this.canvas.getContext('webgl', attributes);
|
|
}
|
|
|
|
this.onCanvasCreate();
|
|
|
|
this._bindToMapv();
|
|
|
|
this.layer.fire('canvascreate', {
|
|
'context': this.context,
|
|
'gl': this.gl
|
|
});
|
|
}
|
|
}, {
|
|
key: "_bindToMapv",
|
|
value: function _bindToMapv() {
|
|
//some bindings needed by mapv baselayer
|
|
var base = this.layer.baseLayer;
|
|
this.devicePixelRatio = maptalks.Browser.retina ? 2 : 1;
|
|
base.canvasLayer = this;
|
|
base._canvasUpdate = this._canvasUpdate.bind(this);
|
|
base.getContext = function () {
|
|
var renderer = self.getRenderer();
|
|
return renderer.gl || renderer.context;
|
|
};
|
|
}
|
|
}]);
|
|
return LayerRenderer;
|
|
}(maptalks.renderer.CanvasRenderer);
|
|
|
|
Layer$4.registerRenderer('canvas', LayerRenderer);
|
|
}
|
|
|
|
var Layer$5 = Layer$4;
|
|
|
|
/**
|
|
* MapV for AMap
|
|
* @author sakitam-fdd - https://github.com/sakitam-fdd
|
|
*/
|
|
|
|
/**
|
|
* create canvas
|
|
* @param width
|
|
* @param height
|
|
* @param Canvas
|
|
* @returns {HTMLCanvasElement}
|
|
*/
|
|
var createCanvas = function createCanvas(width, height, Canvas) {
|
|
if (typeof document !== 'undefined') {
|
|
var canvas = document.createElement('canvas');
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
return canvas;
|
|
} else {
|
|
// create a new canvas instance in node.js
|
|
// the canvas class needs to have a default constructor without any parameter
|
|
return new Canvas(width, height);
|
|
}
|
|
};
|
|
|
|
var Layer$6 = function (_BaseLayer) {
|
|
inherits(Layer, _BaseLayer);
|
|
|
|
function Layer() {
|
|
var map = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
|
|
var dataSet = arguments[1];
|
|
var options = arguments[2];
|
|
classCallCheck(this, Layer);
|
|
|
|
var _this = possibleConstructorReturn(this, (Layer.__proto__ || Object.getPrototypeOf(Layer)).call(this, map, dataSet, options));
|
|
|
|
_this.options = options;
|
|
|
|
/**
|
|
* internal
|
|
* @type {{canvas: null, devicePixelRatio: number}}
|
|
*/
|
|
_this.canvasLayer = {
|
|
canvas: null,
|
|
devicePixelRatio: window.devicePixelRatio
|
|
};
|
|
|
|
/**
|
|
* canvas layer
|
|
* @type {null}
|
|
* @private
|
|
*/
|
|
_this.layer_ = null;
|
|
|
|
_this.initDataRange(options);
|
|
_this.initAnimator();
|
|
_this.onEvents();
|
|
map.on('complete', function () {
|
|
this.init(map, options);
|
|
this.argCheck(options);
|
|
}, _this);
|
|
return _this;
|
|
}
|
|
|
|
/**
|
|
* init mapv layer
|
|
* @param map
|
|
* @param options
|
|
*/
|
|
|
|
|
|
createClass(Layer, [{
|
|
key: "init",
|
|
value: function init(map, options) {
|
|
if (map) {
|
|
this.map = map;
|
|
this.context = this.options.context || '2d';
|
|
this.getCanvasLayer();
|
|
} else {
|
|
throw new Error('not map object');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* update layer
|
|
* @param time
|
|
* @private
|
|
*/
|
|
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate(time) {
|
|
this.render(this.canvasLayer.canvas, time);
|
|
}
|
|
|
|
/**
|
|
* render layer
|
|
* @param canvas
|
|
* @param time
|
|
* @returns {Layer}
|
|
*/
|
|
|
|
}, {
|
|
key: "render",
|
|
value: function render(canvas, time) {
|
|
if (!canvas) return;
|
|
var map = this.map;
|
|
var context = canvas.getContext(this.context);
|
|
var animationOptions = this.options.animation;
|
|
if (this.isEnabledTime()) {
|
|
if (time === undefined) {
|
|
clear(context);
|
|
return this;
|
|
}
|
|
if (this.context === '2d') {
|
|
context.save();
|
|
context.globalCompositeOperation = 'destination-out';
|
|
context.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
context.restore();
|
|
}
|
|
} else {
|
|
clear(context);
|
|
}
|
|
|
|
if (this.context === '2d') {
|
|
for (var key in this.options) {
|
|
context[key] = this.options[key];
|
|
}
|
|
} else {
|
|
context.clear(context.COLOR_BUFFER_BIT);
|
|
}
|
|
var dataGetOptions = {
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
var _pixel = map.lngLatToContainer(new AMap.LngLat(coordinate[0], coordinate[1]));
|
|
return [_pixel['x'], _pixel['y']];
|
|
}
|
|
};
|
|
|
|
if (time !== undefined) {
|
|
dataGetOptions.filter = function (item) {
|
|
var trails = animationOptions.trails || 10;
|
|
if (time && item.time > time - trails && item.time < time) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
}
|
|
|
|
var data = this.dataSet.get(dataGetOptions);
|
|
this.processData(data);
|
|
|
|
if (this.options.unit === 'm') {
|
|
if (this.options.size) {
|
|
this.options._size = this.options.size / zoomUnit;
|
|
}
|
|
if (this.options.width) {
|
|
this.options._width = this.options.width / zoomUnit;
|
|
}
|
|
if (this.options.height) {
|
|
this.options._height = this.options.height / zoomUnit;
|
|
}
|
|
} else {
|
|
this.options._size = this.options.size;
|
|
this.options._height = this.options.height;
|
|
this.options._width = this.options.width;
|
|
}
|
|
|
|
this.drawContext(context, new DataSet(data), this.options, { x: 0, y: 0 });
|
|
this.options.updateCallback && this.options.updateCallback(time);
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* get canvas layer
|
|
*/
|
|
|
|
}, {
|
|
key: "getCanvasLayer",
|
|
value: function getCanvasLayer() {
|
|
if (!this.canvasLayer.canvas && !this.layer_) {
|
|
var canvas = this.canvasFunction();
|
|
var bounds = this.map.getBounds();
|
|
this.layer_ = new AMap.CanvasLayer({
|
|
canvas: canvas,
|
|
bounds: this.options.bounds || bounds,
|
|
zooms: this.options.zooms || [0, 22]
|
|
});
|
|
this.layer_.setMap(this.map);
|
|
this.map.on('mapmove', this.canvasFunction, this);
|
|
this.map.on('zoomchange', this.canvasFunction, this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* canvas constructor
|
|
* @returns {*}
|
|
*/
|
|
|
|
}, {
|
|
key: "canvasFunction",
|
|
value: function canvasFunction() {
|
|
var _ref = [this.map.getSize().width, this.map.getSize().height],
|
|
width = _ref[0],
|
|
height = _ref[1];
|
|
|
|
if (!this.canvasLayer.canvas) {
|
|
this.canvasLayer.canvas = createCanvas(width, height);
|
|
} else {
|
|
this.canvasLayer.canvas.width = width;
|
|
this.canvasLayer.canvas.height = height;
|
|
var bounds = this.map.getBounds();
|
|
if (this.layer_) {
|
|
this.layer_.setBounds(this.options.bounds || bounds);
|
|
}
|
|
}
|
|
this.render(this.canvasLayer.canvas);
|
|
return this.canvasLayer.canvas;
|
|
}
|
|
|
|
/**
|
|
* remove layer
|
|
*/
|
|
|
|
}, {
|
|
key: "removeLayer",
|
|
value: function removeLayer() {
|
|
if (!this.map) return;
|
|
this.unEvents();
|
|
this.map.removeLayer(this.layer_);
|
|
delete this.map;
|
|
delete this.layer_;
|
|
delete this.canvasLayer.canvas;
|
|
}
|
|
}, {
|
|
key: "getContext",
|
|
value: function getContext() {
|
|
return this.canvasLayer.canvas.getContext(this.context);
|
|
}
|
|
|
|
/**
|
|
* handle click event
|
|
* @param event
|
|
*/
|
|
|
|
}, {
|
|
key: "clickEvent",
|
|
value: function clickEvent(event) {
|
|
var pixel = event.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "clickEvent", this).call(this, pixel, event);
|
|
}
|
|
|
|
/**
|
|
* handle mousemove/pointermove event
|
|
* @param event
|
|
*/
|
|
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(event) {
|
|
var pixel = event.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "mousemoveEvent", this).call(this, pixel, event);
|
|
}
|
|
|
|
/**
|
|
* add animator event
|
|
*/
|
|
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {
|
|
this.map.on('movestart', this.animatorMovestartEvent, this);
|
|
this.map.on('moveend', this.animatorMoveendEvent, this);
|
|
}
|
|
|
|
/**
|
|
* bind event
|
|
*/
|
|
|
|
}, {
|
|
key: "onEvents",
|
|
value: function onEvents() {
|
|
var map = this.map;
|
|
this.unEvents();
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.on('click', this.clickEvent, this);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.on('mousemove', this.mousemoveEvent, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* unbind events
|
|
*/
|
|
|
|
}, {
|
|
key: "unEvents",
|
|
value: function unEvents() {
|
|
var map = this.map;
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.off('click', this.clickEvent, this);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.off('mousemove', this.mousemoveEvent, this);
|
|
}
|
|
}
|
|
}
|
|
}]);
|
|
return Layer;
|
|
}(BaseLayer);
|
|
|
|
/**
|
|
* MapV for openlayers (https://openlayers.org)
|
|
* @author sakitam-fdd - https://github.com/sakitam-fdd
|
|
*/
|
|
|
|
/**
|
|
* create canvas
|
|
* @param width
|
|
* @param height
|
|
* @returns {HTMLCanvasElement}
|
|
*/
|
|
var createCanvas$1 = function createCanvas(width, height) {
|
|
if (typeof document !== 'undefined') {
|
|
var canvas = document.createElement('canvas');
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
return canvas;
|
|
} else {
|
|
// create a new canvas instance in node.js
|
|
// the canvas class needs to have a default constructor without any parameter
|
|
}
|
|
};
|
|
|
|
var Layer$8 = function (_BaseLayer) {
|
|
inherits(Layer, _BaseLayer);
|
|
|
|
function Layer() {
|
|
var map = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
|
|
var dataSet = arguments[1];
|
|
var options = arguments[2];
|
|
classCallCheck(this, Layer);
|
|
|
|
var _this = possibleConstructorReturn(this, (Layer.__proto__ || Object.getPrototypeOf(Layer)).call(this, map, dataSet, options));
|
|
|
|
_this.options = options;
|
|
|
|
/**
|
|
* internal
|
|
* @type {{canvas: null, devicePixelRatio: number}}
|
|
*/
|
|
_this.canvasLayer = {
|
|
canvas: null,
|
|
devicePixelRatio: window.devicePixelRatio
|
|
|
|
/**
|
|
* cavnas layer
|
|
* @type {null}
|
|
* @private
|
|
*/
|
|
};_this.layer_ = null;
|
|
|
|
/**
|
|
* previous cursor
|
|
* @type {undefined}
|
|
* @private
|
|
*/
|
|
_this.previousCursor_ = undefined;
|
|
|
|
_this.init(map, options);
|
|
_this.argCheck(options);
|
|
return _this;
|
|
}
|
|
|
|
/**
|
|
* init mapv layer
|
|
* @param map
|
|
* @param options
|
|
*/
|
|
|
|
|
|
createClass(Layer, [{
|
|
key: "init",
|
|
value: function init(map, options) {
|
|
if (map && map instanceof ol.Map) {
|
|
this.$Map = map;
|
|
this.context = this.options.context || '2d';
|
|
this.getCanvasLayer();
|
|
this.initDataRange(options);
|
|
this.initAnimator();
|
|
this.onEvents();
|
|
} else {
|
|
throw new Error('not map object');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* update layer
|
|
* @param time
|
|
* @private
|
|
*/
|
|
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate(time) {
|
|
this.render(this.canvasLayer.canvas, time);
|
|
}
|
|
|
|
/**
|
|
* render layer
|
|
* @param canvas
|
|
* @param time
|
|
* @returns {Layer}
|
|
*/
|
|
|
|
}, {
|
|
key: "render",
|
|
value: function render(canvas, time) {
|
|
var map = this.$Map;
|
|
var context = canvas.getContext(this.context);
|
|
var animationOptions = this.options.animation;
|
|
var _projection = this.options.hasOwnProperty('projection') ? this.options.projection : 'EPSG:4326';
|
|
if (this.isEnabledTime()) {
|
|
if (time === undefined) {
|
|
clear(context);
|
|
return this;
|
|
}
|
|
if (this.context === '2d') {
|
|
context.save();
|
|
context.globalCompositeOperation = 'destination-out';
|
|
context.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
context.restore();
|
|
}
|
|
} else {
|
|
clear(context);
|
|
}
|
|
|
|
if (this.context === '2d') {
|
|
for (var key in this.options) {
|
|
context[key] = this.options[key];
|
|
}
|
|
} else {
|
|
context.clear(context.COLOR_BUFFER_BIT);
|
|
}
|
|
var dataGetOptions = {
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
return map.getPixelFromCoordinate(ol.proj.transform(coordinate, _projection, 'EPSG:4326'));
|
|
}
|
|
};
|
|
|
|
if (time !== undefined) {
|
|
dataGetOptions.filter = function (item) {
|
|
var trails = animationOptions.trails || 10;
|
|
if (time && item.time > time - trails && item.time < time) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
}
|
|
|
|
var data = this.dataSet.get(dataGetOptions);
|
|
this.processData(data);
|
|
|
|
if (this.options.unit === 'm') {
|
|
if (this.options.size) {
|
|
this.options._size = this.options.size / zoomUnit;
|
|
}
|
|
if (this.options.width) {
|
|
this.options._width = this.options.width / zoomUnit;
|
|
}
|
|
if (this.options.height) {
|
|
this.options._height = this.options.height / zoomUnit;
|
|
}
|
|
} else {
|
|
this.options._size = this.options.size;
|
|
this.options._height = this.options.height;
|
|
this.options._width = this.options.width;
|
|
}
|
|
|
|
this.drawContext(context, new DataSet(data), this.options, { x: 0, y: 0 });
|
|
this.options.updateCallback && this.options.updateCallback(time);
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* get canvas layer
|
|
*/
|
|
|
|
}, {
|
|
key: "getCanvasLayer",
|
|
value: function getCanvasLayer() {
|
|
if (!this.canvasLayer.canvas && !this.layer_) {
|
|
var extent = this.getMapExtent();
|
|
this.layer_ = new ol.layer.Image({
|
|
layerName: this.options.layerName,
|
|
minResolution: this.options.minResolution,
|
|
maxResolution: this.options.maxResolution,
|
|
zIndex: this.options.zIndex,
|
|
extent: extent,
|
|
source: new ol.source.ImageCanvas({
|
|
canvasFunction: this.canvasFunction.bind(this),
|
|
projection: this.options.hasOwnProperty('projection') ? this.options.projection : 'EPSG:4326',
|
|
ratio: this.options.hasOwnProperty('ratio') ? this.options.ratio : 1
|
|
})
|
|
});
|
|
this.$Map.addLayer(this.layer_);
|
|
this.$Map.un('precompose', this.reRender, this);
|
|
this.$Map.on('precompose', this.reRender, this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* re render
|
|
*/
|
|
|
|
}, {
|
|
key: "reRender",
|
|
value: function reRender() {
|
|
if (!this.layer_) return;
|
|
var extent = this.getMapExtent();
|
|
this.layer_.setExtent(extent);
|
|
}
|
|
|
|
/**
|
|
* canvas constructor
|
|
* @param extent
|
|
* @param resolution
|
|
* @param pixelRatio
|
|
* @param size
|
|
* @param projection
|
|
* @returns {*}
|
|
*/
|
|
|
|
}, {
|
|
key: "canvasFunction",
|
|
value: function canvasFunction(extent, resolution, pixelRatio, size, projection) {
|
|
if (!this.canvasLayer.canvas) {
|
|
this.canvasLayer.canvas = createCanvas$1(size[0], size[1]);
|
|
} else {
|
|
this.canvasLayer.canvas.width = size[0];
|
|
this.canvasLayer.canvas.height = size[1];
|
|
}
|
|
this.render(this.canvasLayer.canvas);
|
|
return this.canvasLayer.canvas;
|
|
}
|
|
|
|
/**
|
|
* get map current extent
|
|
* @returns {Array}
|
|
*/
|
|
|
|
}, {
|
|
key: "getMapExtent",
|
|
value: function getMapExtent() {
|
|
var size = this.$Map.getSize();
|
|
return this.$Map.getView().calculateExtent(size);
|
|
}
|
|
|
|
/**
|
|
* add layer to map
|
|
* @param map
|
|
*/
|
|
|
|
}, {
|
|
key: "addTo",
|
|
value: function addTo(map) {
|
|
this.init(map, this.options);
|
|
}
|
|
|
|
/**
|
|
* remove layer
|
|
*/
|
|
|
|
}, {
|
|
key: "removeLayer",
|
|
value: function removeLayer() {
|
|
if (!this.$Map) return;
|
|
this.unEvents();
|
|
this.$Map.un('precompose', this.reRender, this);
|
|
this.$Map.removeLayer(this.layer_);
|
|
delete this.$Map;
|
|
delete this.layer_;
|
|
delete this.canvasLayer.canvas;
|
|
}
|
|
}, {
|
|
key: "getContext",
|
|
value: function getContext() {
|
|
return this.canvasLayer.canvas.getContext(this.context);
|
|
}
|
|
|
|
/**
|
|
* handle click event
|
|
* @param event
|
|
*/
|
|
|
|
}, {
|
|
key: "clickEvent",
|
|
value: function clickEvent(event) {
|
|
var pixel = event.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "clickEvent", this).call(this, {
|
|
x: pixel[0],
|
|
y: pixel[1]
|
|
}, event);
|
|
}
|
|
|
|
/**
|
|
* handle mousemove/pointermove event
|
|
* @param event
|
|
*/
|
|
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(event) {
|
|
var pixel = event.pixel;
|
|
get(Layer.prototype.__proto__ || Object.getPrototypeOf(Layer.prototype), "mousemoveEvent", this).call(this, {
|
|
x: pixel[0],
|
|
y: pixel[1]
|
|
}, event);
|
|
}
|
|
|
|
/**
|
|
* add animator event
|
|
*/
|
|
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {
|
|
this.$Map.on('movestart', this.animatorMovestartEvent, this);
|
|
this.$Map.on('moveend', this.animatorMoveendEvent, this);
|
|
}
|
|
|
|
/**
|
|
* bind event
|
|
*/
|
|
|
|
}, {
|
|
key: "onEvents",
|
|
value: function onEvents() {
|
|
var map = this.$Map;
|
|
this.unEvents();
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.on('click', this.clickEvent, this);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.on('pointermove', this.mousemoveEvent, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* unbind events
|
|
*/
|
|
|
|
}, {
|
|
key: "unEvents",
|
|
value: function unEvents() {
|
|
var map = this.$Map;
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.un('click', this.clickEvent, this);
|
|
}
|
|
if (this.options.methods.pointermove) {
|
|
map.un('pointermove', this.mousemoveEvent, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* set map cursor
|
|
* @param cursor
|
|
* @param feature
|
|
*/
|
|
|
|
}, {
|
|
key: "setDefaultCursor",
|
|
value: function setDefaultCursor(cursor, feature) {
|
|
if (!this.$Map) return;
|
|
var element = this.$Map.getTargetElement();
|
|
if (feature) {
|
|
if (element.style.cursor !== cursor) {
|
|
this.previousCursor_ = element.style.cursor;
|
|
element.style.cursor = cursor;
|
|
}
|
|
} else if (this.previousCursor_ !== undefined) {
|
|
element.style.cursor = this.previousCursor_;
|
|
this.previousCursor_ = undefined;
|
|
}
|
|
}
|
|
}]);
|
|
return Layer;
|
|
}(BaseLayer);
|
|
|
|
// https://github.com/SuperMap/iClient-JavaScript
|
|
/**
|
|
* @class MapVRenderer
|
|
* @classdesc 地图渲染类。
|
|
* @category Visualization MapV
|
|
* @private
|
|
* @extends mapv.BaseLayer
|
|
* @param {L.Map} map - 待渲染的地图。
|
|
* @param {L.Layer} layer - 待渲染的图层。
|
|
* @param {DataSet} dataSet - 待渲染的数据集。
|
|
* @param {Object} options - 渲染的参数。
|
|
*/
|
|
var MapVRenderer = function (_BaseLayer) {
|
|
inherits(MapVRenderer, _BaseLayer);
|
|
|
|
function MapVRenderer(map, layer, dataSet, options) {
|
|
classCallCheck(this, MapVRenderer);
|
|
|
|
var _this = possibleConstructorReturn(this, (MapVRenderer.__proto__ || Object.getPrototypeOf(MapVRenderer)).call(this, map, dataSet, options));
|
|
|
|
if (!BaseLayer) {
|
|
return possibleConstructorReturn(_this);
|
|
}
|
|
|
|
var self = _this;
|
|
options = options || {};
|
|
|
|
self.init(options);
|
|
self.argCheck(options);
|
|
_this.canvasLayer = layer;
|
|
_this.clickEvent = _this.clickEvent.bind(_this);
|
|
_this.mousemoveEvent = _this.mousemoveEvent.bind(_this);
|
|
_this._moveStartEvent = _this.moveStartEvent.bind(_this);
|
|
_this._moveEndEvent = _this.moveEndEvent.bind(_this);
|
|
_this._zoomStartEvent = _this.zoomStartEvent.bind(_this);
|
|
_this.bindEvent();
|
|
return _this;
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.clickEvent
|
|
* @description 点击事件。
|
|
* @param {Object} e - 触发对象。
|
|
*/
|
|
|
|
|
|
createClass(MapVRenderer, [{
|
|
key: 'clickEvent',
|
|
value: function clickEvent(e) {
|
|
var offset = this.map.containerPointToLayerPoint([0, 0]);
|
|
var devicePixelRatio = this.devicePixelRatio = this.canvasLayer.devicePixelRatio = window.devicePixelRatio;
|
|
var pixel = e.layerPoint;
|
|
get(MapVRenderer.prototype.__proto__ || Object.getPrototypeOf(MapVRenderer.prototype), 'clickEvent', this).call(this, L.point((pixel.x - offset.x) / devicePixelRatio, (pixel.y - offset.y) / devicePixelRatio), e);
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.mousemoveEvent
|
|
* @description 鼠标移动事件。
|
|
* @param {Object} e - 触发对象。
|
|
*/
|
|
|
|
}, {
|
|
key: 'mousemoveEvent',
|
|
value: function mousemoveEvent(e) {
|
|
var pixel = e.layerPoint;
|
|
get(MapVRenderer.prototype.__proto__ || Object.getPrototypeOf(MapVRenderer.prototype), 'mousemoveEvent', this).call(this, pixel, e);
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.bindEvent
|
|
* @description 绑定鼠标移动和鼠标点击事件。
|
|
* @param {Object} e - 触发对象。
|
|
*/
|
|
|
|
}, {
|
|
key: 'bindEvent',
|
|
value: function bindEvent() {
|
|
var map = this.map;
|
|
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.on('click', this.clickEvent);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.on('mousemove', this.mousemoveEvent);
|
|
}
|
|
}
|
|
this.map.on('movestart', this._moveStartEvent);
|
|
this.map.on('moveend', this._moveEndEvent);
|
|
this.map.on('zoomstart', this._zoomStartEvent);
|
|
}
|
|
/**
|
|
* @function MapVRenderer.prototype.destroy
|
|
* @description 释放资源。
|
|
*/
|
|
|
|
}, {
|
|
key: 'destroy',
|
|
value: function destroy() {
|
|
this.unbindEvent();
|
|
this.clearData();
|
|
this.animator && this.animator.stop();
|
|
this.animator = null;
|
|
this.canvasLayer = null;
|
|
}
|
|
/**
|
|
* @function MapVRenderer.prototype.unbindEvent
|
|
* @description 解绑鼠标移动和鼠标滑动触发的事件。
|
|
* @param {Object} e - 触发对象。
|
|
*/
|
|
|
|
}, {
|
|
key: 'unbindEvent',
|
|
value: function unbindEvent() {
|
|
var map = this.map;
|
|
|
|
if (this.options.methods) {
|
|
if (this.options.methods.click) {
|
|
map.off('click', this.clickEvent);
|
|
}
|
|
if (this.options.methods.mousemove) {
|
|
map.off('mousemove', this.mousemoveEvent);
|
|
}
|
|
}
|
|
this.map.off('movestart', this._moveStartEvent);
|
|
this.map.off('moveend', this._moveEndEvent);
|
|
this.map.off('zoomstart', this._zoomStartEvent);
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.getContext
|
|
* @description 获取信息。
|
|
*/
|
|
|
|
}, {
|
|
key: 'getContext',
|
|
value: function getContext() {
|
|
return this.canvasLayer.getCanvas().getContext(this.context);
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.addData
|
|
* @description 添加数据。
|
|
* @param {Object} data - 待添加的数据。
|
|
* @param {Object} options - 待添加的数据信息。
|
|
*/
|
|
|
|
}, {
|
|
key: 'addData',
|
|
value: function addData(data, options) {
|
|
var _data = data;
|
|
if (data && data.get) {
|
|
_data = data.get();
|
|
}
|
|
this.dataSet.add(_data);
|
|
this.update({
|
|
options: options
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.update
|
|
* @description 更新图层。
|
|
* @param {Object} opt - 待更新的数据。
|
|
* @param {Object} opt.data - mapv数据集。
|
|
* @param {Object} opt.options - mapv绘制参数。
|
|
*/
|
|
|
|
}, {
|
|
key: 'update',
|
|
value: function update(opt) {
|
|
var update = opt || {};
|
|
var _data = update.data;
|
|
if (_data && _data.get) {
|
|
_data = _data.get();
|
|
}
|
|
if (_data != undefined) {
|
|
this.dataSet.set(_data);
|
|
}
|
|
get(MapVRenderer.prototype.__proto__ || Object.getPrototypeOf(MapVRenderer.prototype), 'update', this).call(this, {
|
|
options: update.options
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.getData
|
|
* @description 获取数据
|
|
*/
|
|
|
|
}, {
|
|
key: 'getData',
|
|
value: function getData() {
|
|
return this.dataSet;
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.removeData
|
|
* @description 删除符合过滤条件的数据。
|
|
* @param {Function} filter - 过滤条件。条件参数为数据项，返回值为 true，表示删除该元素；否则表示不删除。
|
|
*/
|
|
|
|
}, {
|
|
key: 'removeData',
|
|
value: function removeData(_filter) {
|
|
if (!this.dataSet) {
|
|
return;
|
|
}
|
|
var newData = this.dataSet.get({
|
|
filter: function filter(data) {
|
|
return _filter != null && typeof _filter === "function" ? !_filter(data) : true;
|
|
}
|
|
});
|
|
this.dataSet.set(newData);
|
|
this.update({
|
|
options: null
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.clearData
|
|
* @description 清除数据
|
|
*/
|
|
|
|
}, {
|
|
key: 'clearData',
|
|
value: function clearData() {
|
|
this.dataSet && this.dataSet.clear();
|
|
this.update({
|
|
options: null
|
|
});
|
|
}
|
|
}, {
|
|
key: '_canvasUpdate',
|
|
value: function _canvasUpdate(time) {
|
|
if (!this.canvasLayer) {
|
|
return;
|
|
}
|
|
|
|
var self = this;
|
|
|
|
var animationOptions = self.options.animation;
|
|
|
|
var context = this.getContext();
|
|
var map = this.map;
|
|
if (self.isEnabledTime()) {
|
|
if (time === undefined) {
|
|
this.clear(context);
|
|
return;
|
|
}
|
|
if (this.context === '2d') {
|
|
context.save();
|
|
context.globalCompositeOperation = 'destination-out';
|
|
context.fillStyle = 'rgba(0, 0, 0, .1)';
|
|
context.fillRect(0, 0, context.canvas.width, context.canvas.height);
|
|
context.restore();
|
|
}
|
|
} else {
|
|
this.clear(context);
|
|
}
|
|
|
|
if (this.context === '2d') {
|
|
for (var key in self.options) {
|
|
context[key] = self.options[key];
|
|
}
|
|
} else {
|
|
context.clear(context.COLOR_BUFFER_BIT);
|
|
}
|
|
|
|
if (self.options.minZoom && map.getZoom() < self.options.minZoom || self.options.maxZoom && map.getZoom() > self.options.maxZoom) {
|
|
return;
|
|
}
|
|
|
|
var bounds = map.getBounds();
|
|
//获取当前像素下的地理范围
|
|
var dw = bounds.getEast() - bounds.getWest();
|
|
var dh = bounds.getNorth() - bounds.getSouth();
|
|
var mapCanvas = map.getSize();
|
|
|
|
var resolutionX = dw / mapCanvas.x,
|
|
resolutionY = dh / mapCanvas.y;
|
|
//var centerPx = map.latLngToLayerPoint(map.getCenter());
|
|
|
|
//获取屏幕左上角的地理坐标坐标
|
|
//左上角屏幕坐标为0,0
|
|
var topLeft = this.canvasLayer.getTopLeft();
|
|
|
|
var topLeftPX = map.latLngToContainerPoint(topLeft);
|
|
// 获取精确的像素坐标. https://github.com/SuperMap/iClient-JavaScript/blob/eacc26952b8915bba0122db751d766056c5fb24d/src/leaflet/core/Base.js
|
|
// var topLeftPX = map.latLngToAccurateContainerPoint(topLeft);
|
|
// var lopLeft = map.containerPointToLatLng([0, 0]);
|
|
var dataGetOptions = {
|
|
transferCoordinate: function transferCoordinate(coordinate) {
|
|
var offset;
|
|
if (self.context === '2d') {
|
|
offset = map.latLngToContainerPoint(L.latLng(coordinate[1], coordinate[0]));
|
|
// offset = map.latLngToAccurateContainerPoint(L.latLng(coordinate[1], coordinate[0]));
|
|
} else {
|
|
offset = {
|
|
'x': (coordinate[0] - topLeft.lng) / resolutionX,
|
|
'y': (topLeft.lat - coordinate[1]) / resolutionY
|
|
};
|
|
}
|
|
var pixel = {
|
|
x: offset.x - topLeftPX.x,
|
|
y: offset.y - topLeftPX.y
|
|
};
|
|
return [pixel.x, pixel.y];
|
|
}
|
|
};
|
|
|
|
if (time !== undefined) {
|
|
dataGetOptions.filter = function (item) {
|
|
var trails = animationOptions.trails || 10;
|
|
return time && item.time > time - trails && item.time < time;
|
|
};
|
|
}
|
|
|
|
var data = self.dataSet.get(dataGetOptions);
|
|
|
|
this.processData(data);
|
|
|
|
self.options._size = self.options.size;
|
|
|
|
var worldPoint = map.latLngToContainerPoint(L.latLng(0, 0));
|
|
var pixel = {
|
|
x: worldPoint.x - topLeftPX.x,
|
|
y: worldPoint.y - topLeftPX.y
|
|
};
|
|
this.drawContext(context, data, self.options, pixel);
|
|
|
|
self.options.updateCallback && self.options.updateCallback(time);
|
|
}
|
|
}, {
|
|
key: 'init',
|
|
value: function init(options) {
|
|
|
|
var self = this;
|
|
|
|
self.options = options;
|
|
|
|
this.initDataRange(options);
|
|
|
|
this.context = self.options.context || '2d';
|
|
|
|
if (self.options.zIndex) {
|
|
this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
|
|
}
|
|
|
|
this.initAnimator();
|
|
}
|
|
}, {
|
|
key: 'addAnimatorEvent',
|
|
value: function addAnimatorEvent() {}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.moveStartEvent
|
|
* @description 开始移动事件。
|
|
*/
|
|
|
|
}, {
|
|
key: 'moveStartEvent',
|
|
value: function moveStartEvent() {
|
|
var animationOptions = this.options.animation;
|
|
if (this.isEnabledTime() && this.animator) {
|
|
this.steps.step = animationOptions.stepsRange.start;
|
|
this._hide();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.moveEndEvent
|
|
* @description 结束移动事件。
|
|
*/
|
|
|
|
}, {
|
|
key: 'moveEndEvent',
|
|
value: function moveEndEvent() {
|
|
this.canvasLayer.draw();
|
|
this._show();
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.zoomStartEvent
|
|
* @description 隐藏渲染样式。
|
|
*/
|
|
|
|
}, {
|
|
key: 'zoomStartEvent',
|
|
value: function zoomStartEvent() {
|
|
this._hide();
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.clear
|
|
* @description 清除信息。
|
|
* @param {string} context - 指定要清除的信息。
|
|
*/
|
|
|
|
}, {
|
|
key: 'clear',
|
|
value: function clear(context) {
|
|
context && context.clearRect && context.clearRect(0, 0, context.canvas.width, context.canvas.height);
|
|
}
|
|
}, {
|
|
key: '_hide',
|
|
value: function _hide() {
|
|
this.canvasLayer.canvas.style.display = 'none';
|
|
}
|
|
}, {
|
|
key: '_show',
|
|
value: function _show() {
|
|
this.canvasLayer.canvas.style.display = 'block';
|
|
}
|
|
|
|
/**
|
|
* @function MapVRenderer.prototype.draw
|
|
* @description 绘制渲染
|
|
*/
|
|
|
|
}, {
|
|
key: 'draw',
|
|
value: function draw() {
|
|
this.canvasLayer.draw();
|
|
}
|
|
}]);
|
|
return MapVRenderer;
|
|
}(BaseLayer);
|
|
|
|
var mapVLayer;
|
|
if (typeof L !== 'undefined') {
|
|
/**
|
|
* @class mapVLayer
|
|
* @classdesc MapV 图层。
|
|
* @category Visualization MapV
|
|
* @extends {L.Layer}
|
|
* @param {mapv.DataSet} dataSet - MapV 图层数据集。
|
|
* @param {Object} mapVOptions - MapV 图层参数。
|
|
* @param {Object} options - 参数。
|
|
* @param {string} [options.attributionPrefix] - 版权信息前缀。
|
|
* @param {string} [options.attribution='© 2018 百度 MapV'] - 版权信息。
|
|
* @fires mapVLayer#loaded
|
|
*/
|
|
var MapVLayer = L.Layer.extend({
|
|
|
|
options: {
|
|
attributionPrefix: null,
|
|
attribution: ''
|
|
},
|
|
|
|
initialize: function initialize(dataSet, mapVOptions, options) {
|
|
options = options || {};
|
|
this.dataSet = dataSet || {};
|
|
this.mapVOptions = mapVOptions || {};
|
|
this.render = this.render.bind(this);
|
|
L.Util.setOptions(this, options);
|
|
if (this.options.attributionPrefix) {
|
|
this.options.attribution = this.options.attributionPrefix + this.options.attribution;
|
|
}
|
|
|
|
this.canvas = this._createCanvas();
|
|
L.stamp(this);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
* @function mapVLayer.prototype.onAdd
|
|
* @description 添加地图图层。
|
|
* @param {L.Map} map - 要添加的地图。
|
|
*/
|
|
onAdd: function onAdd(map) {
|
|
this._map = map;
|
|
var overlayPane = this.getPane();
|
|
var container = this.container = L.DomUtil.create("div", "leaflet-layer leaflet-zoom-animated", overlayPane);
|
|
container.appendChild(this.canvas);
|
|
var size = map.getSize();
|
|
container.style.width = size.x + "px";
|
|
container.style.height = size.y + "px";
|
|
this.renderer = new MapVRenderer(map, this, this.dataSet, this.mapVOptions);
|
|
this.draw();
|
|
/**
|
|
* @event mapVLayer#loaded
|
|
* @description 图层添加完成之后触发。
|
|
*/
|
|
this.fire("loaded");
|
|
},
|
|
|
|
// _hide: function () {
|
|
// this.canvas.style.display = 'none';
|
|
// },
|
|
|
|
// _show: function () {
|
|
// this.canvas.style.display = 'block';
|
|
// },
|
|
|
|
/**
|
|
* @private
|
|
* @function mapVLayer.prototype.onRemove
|
|
* @description 删除地图图层。
|
|
*/
|
|
onRemove: function onRemove() {
|
|
L.DomUtil.remove(this.container);
|
|
this.renderer.destroy();
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.addData
|
|
* @description 追加数据。
|
|
* @param {Object} data - 要追加的数据。
|
|
* @param {Object} options - 要追加的值。
|
|
*/
|
|
addData: function addData(data, options) {
|
|
this.renderer.addData(data, options);
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.update
|
|
* @description 更新图层。
|
|
* @param {Object} opt - 待更新的数据。
|
|
* @param {Object} data - mapv 数据集。
|
|
* @param {Object} options - mapv 绘制参数。
|
|
*/
|
|
update: function update(opt) {
|
|
this.renderer.update(opt);
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.getData
|
|
* @description 获取数据。
|
|
* @returns {mapv.DataSet} mapv 数据集。
|
|
*/
|
|
getData: function getData() {
|
|
if (this.renderer) {
|
|
this.dataSet = this.renderer.getData();
|
|
}
|
|
return this.dataSet;
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.removeData
|
|
* @description 删除符合过滤条件的数据。
|
|
* @param {Function} filter - 过滤条件。条件参数为数据项，返回值为 true，表示删除该元素；否则表示不删除。
|
|
* @example
|
|
* filter=function(data){
|
|
* if(data.id=="1"){
|
|
* return true
|
|
* }
|
|
* return false;
|
|
* }
|
|
*/
|
|
removeData: function removeData(filter) {
|
|
this.renderer && this.renderer.removeData(filter);
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.clearData
|
|
* @description 清除数据。
|
|
*/
|
|
clearData: function clearData() {
|
|
this.renderer.clearData();
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.draw
|
|
* @description 绘制图层。
|
|
*/
|
|
draw: function draw() {
|
|
return this._reset();
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.setZIndex
|
|
* @description 设置 canvas 层级。
|
|
* @param {number} zIndex - canvas 层级。
|
|
*/
|
|
setZIndex: function setZIndex(zIndex) {
|
|
this.canvas.style.zIndex = zIndex;
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.render
|
|
* @description 渲染。
|
|
*/
|
|
render: function render() {
|
|
this.renderer._canvasUpdate();
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.getCanvas
|
|
* @description 获取 canvas。
|
|
* @returns {HTMLElement} 返回 mapV 图层包含的 canvas 对象。
|
|
*/
|
|
getCanvas: function getCanvas() {
|
|
return this.canvas;
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.getContainer
|
|
* @description 获取容器。
|
|
* @returns {HTMLElement} 返回包含 mapV 图层的 dom 对象。
|
|
*/
|
|
getContainer: function getContainer() {
|
|
return this.container;
|
|
},
|
|
|
|
/**
|
|
* @function mapVLayer.prototype.getTopLeft
|
|
* @description 获取左上角坐标。
|
|
* @returns {L.Bounds} 返回左上角坐标。
|
|
*/
|
|
getTopLeft: function getTopLeft() {
|
|
var map = this._map;
|
|
var topLeft;
|
|
if (map) {
|
|
var bounds = map.getBounds();
|
|
topLeft = bounds.getNorthWest();
|
|
}
|
|
return topLeft;
|
|
},
|
|
|
|
_createCanvas: function _createCanvas() {
|
|
var canvas = document.createElement('canvas');
|
|
canvas.style.position = 'absolute';
|
|
canvas.style.top = 0 + "px";
|
|
canvas.style.left = 0 + "px";
|
|
canvas.style.pointerEvents = "none";
|
|
canvas.style.zIndex = this.options.zIndex || 600;
|
|
var global$2 = typeof window === 'undefined' ? {} : window;
|
|
var devicePixelRatio = this.devicePixelRatio = global$2.devicePixelRatio;
|
|
if (!this.mapVOptions.context || this.mapVOptions.context === '2d') {
|
|
canvas.getContext('2d').scale(devicePixelRatio, devicePixelRatio);
|
|
}
|
|
return canvas;
|
|
},
|
|
|
|
_resize: function _resize() {
|
|
var canvas = this.canvas;
|
|
if (!canvas) {
|
|
return;
|
|
}
|
|
|
|
var map = this._map;
|
|
var size = map.getSize();
|
|
canvas.width = size.x;
|
|
canvas.height = size.y;
|
|
canvas.style.width = size.x + 'px';
|
|
canvas.style.height = size.y + 'px';
|
|
var bounds = map.getBounds();
|
|
var topLeft = map.latLngToLayerPoint(bounds.getNorthWest());
|
|
L.DomUtil.setPosition(canvas, topLeft);
|
|
},
|
|
|
|
_reset: function _reset() {
|
|
this._resize();
|
|
this._render();
|
|
},
|
|
redraw: function redraw() {
|
|
this._resize();
|
|
this._render();
|
|
},
|
|
_render: function _render() {
|
|
this.render();
|
|
}
|
|
|
|
});
|
|
|
|
mapVLayer = function mapVLayer(dataSet, mapVOptions, options) {
|
|
return new MapVLayer(dataSet, mapVOptions, options);
|
|
};
|
|
}
|
|
var mapVLayer$1 = mapVLayer;
|
|
|
|
var MapVRenderer$1 = function (_BaseLayer) {
|
|
inherits(MapVRenderer, _BaseLayer);
|
|
|
|
/**
|
|
* Creates an instance of MapVRenderer.
|
|
* @param {*} viewer cesium viewer
|
|
* @param {*} dataset mapv dataset
|
|
* @param {*} option mapvOptions
|
|
* @param {*} mapVLayer
|
|
* @memberof MapVRenderer
|
|
*/
|
|
function MapVRenderer(viewer, dataset, option, mapVLayer) {
|
|
classCallCheck(this, MapVRenderer);
|
|
|
|
var _this = possibleConstructorReturn(this, (MapVRenderer.__proto__ || Object.getPrototypeOf(MapVRenderer)).call(this, viewer, dataset, option));
|
|
|
|
if (!BaseLayer) {
|
|
return possibleConstructorReturn(_this);
|
|
}
|
|
_this.map = viewer, _this.scene = viewer.scene, _this.dataSet = dataset;
|
|
option = option || {}, _this.init(option), _this.argCheck(option), _this.initDevicePixelRatio(), _this.canvasLayer = mapVLayer, _this.stopAniamation = !1, _this.animation = option.animation, _this.clickEvent = _this.clickEvent.bind(_this), _this.mousemoveEvent = _this.mousemoveEvent.bind(_this), _this.bindEvent();
|
|
return _this;
|
|
}
|
|
|
|
createClass(MapVRenderer, [{
|
|
key: "initDevicePixelRatio",
|
|
value: function initDevicePixelRatio() {
|
|
this.devicePixelRatio = window.devicePixelRatio || 1;
|
|
}
|
|
}, {
|
|
key: "clickEvent",
|
|
value: function clickEvent(t) {
|
|
var e = t.point;
|
|
get(MapVRenderer.prototype.__proto__ || Object.getPrototypeOf(MapVRenderer.prototype), "clickEvent", this).call(this, e, t);
|
|
}
|
|
}, {
|
|
key: "mousemoveEvent",
|
|
value: function mousemoveEvent(t) {
|
|
var e = t.point;
|
|
get(MapVRenderer.prototype.__proto__ || Object.getPrototypeOf(MapVRenderer.prototype), "mousemoveEvent", this).call(this, e, t);
|
|
}
|
|
}, {
|
|
key: "addAnimatorEvent",
|
|
value: function addAnimatorEvent() {}
|
|
}, {
|
|
key: "animatorMovestartEvent",
|
|
value: function animatorMovestartEvent() {
|
|
var t = this.options.animation;
|
|
this.isEnabledTime() && this.animator && (this.steps.step = t.stepsRange.start);
|
|
}
|
|
}, {
|
|
key: "animatorMoveendEvent",
|
|
value: function animatorMoveendEvent() {
|
|
this.isEnabledTime() && this.animator;
|
|
}
|
|
}, {
|
|
key: "bindEvent",
|
|
value: function bindEvent() {
|
|
this.map;
|
|
this.options.methods && (this.options.methods.click, this.options.methods.mousemove);
|
|
}
|
|
}, {
|
|
key: "unbindEvent",
|
|
value: function unbindEvent() {
|
|
var t = this.map;
|
|
this.options.methods && (this.options.methods.click && t.off("click", this.clickEvent), this.options.methods.mousemove && t.off("mousemove", this.mousemoveEvent));
|
|
}
|
|
}, {
|
|
key: "getContext",
|
|
value: function getContext() {
|
|
return this.canvasLayer.canvas.getContext(this.context);
|
|
}
|
|
}, {
|
|
key: "init",
|
|
value: function init(t) {
|
|
this.options = t, this.initDataRange(t), this.context = this.options.context || "2d", this.options.zIndex && this.canvasLayer && this.canvasLayer.setZIndex(this.options.zIndex), this.initAnimator();
|
|
}
|
|
}, {
|
|
key: "_canvasUpdate",
|
|
value: function _canvasUpdate(t) {
|
|
this.map;
|
|
var e = this.scene;
|
|
if (this.canvasLayer && !this.stopAniamation) {
|
|
var i = this.options.animation,
|
|
n = this.getContext();
|
|
if (this.isEnabledTime()) {
|
|
if (void 0 === t) return void this.clear(n);
|
|
"2d" === this.context && (n.save(), n.globalCompositeOperation = "destination-out", n.fillStyle = "rgba(0, 0, 0, .1)", n.fillRect(0, 0, n.canvas.width, n.canvas.height), n.restore());
|
|
} else this.clear(n);
|
|
if ("2d" === this.context) for (var o in this.options) {
|
|
n[o] = this.options[o];
|
|
} else n.clear(n.COLOR_BUFFER_BIT);
|
|
var a = {
|
|
transferCoordinate: function transferCoordinate(t) {
|
|
var i = Cesium.Cartesian3.fromDegrees(t[0], t[1]),
|
|
n = Cesium.SceneTransforms.wgs84ToWindowCoordinates(e, i);
|
|
return void 0 == n ? [-1, -1] : [n.x, n.y];
|
|
}
|
|
};
|
|
void 0 !== t && (a.filter = function (e) {
|
|
var n = i.trails || 10;
|
|
return !!(t && e.time > t - n && e.time < t);
|
|
});
|
|
var c = this.dataSet.get(a);
|
|
this.processData(c), "m" == this.options.unit && this.options.size, this.options._size = this.options.size;
|
|
var h = Cesium.SceneTransforms.wgs84ToWindowCoordinates(e, Cesium.Cartesian3.fromDegrees(0, 0));
|
|
this.drawContext(n, new DataSet(c), this.options, h), this.options.updateCallback && this.options.updateCallback(t);
|
|
}
|
|
}
|
|
}, {
|
|
key: "updateData",
|
|
value: function updateData(t, e) {
|
|
var i = t;
|
|
i && i.get && (i = i.get()), void 0 != i && this.dataSet.set(i), get(MapVRenderer.prototype.__proto__ || Object.getPrototypeOf(MapVRenderer.prototype), "update", this).call(this, {
|
|
options: e
|
|
});
|
|
}
|
|
}, {
|
|
key: "addData",
|
|
value: function addData(t, e) {
|
|
var i = t;
|
|
t && t.get && (i = t.get()), this.dataSet.add(i), this.update({
|
|
options: e
|
|
});
|
|
}
|
|
}, {
|
|
key: "getData",
|
|
value: function getData() {
|
|
return this.dataSet;
|
|
}
|
|
}, {
|
|
key: "removeData",
|
|
value: function removeData(t) {
|
|
if (this.dataSet) {
|
|
var e = this.dataSet.get({
|
|
filter: function filter(e) {
|
|
return null == t || "function" != typeof t || !t(e);
|
|
}
|
|
});
|
|
this.dataSet.set(e), this.update({
|
|
options: null
|
|
});
|
|
}
|
|
}
|
|
}, {
|
|
key: "clearData",
|
|
value: function clearData() {
|
|
this.dataSet && this.dataSet.clear(), this.update({
|
|
options: null
|
|
});
|
|
}
|
|
}, {
|
|
key: "draw",
|
|
value: function draw() {
|
|
this.canvasLayer.draw();
|
|
}
|
|
}, {
|
|
key: "clear",
|
|
value: function clear(t) {
|
|
t && t.clearRect && t.clearRect(0, 0, t.canvas.width, t.canvas.height);
|
|
}
|
|
}]);
|
|
return MapVRenderer;
|
|
}(BaseLayer);
|
|
|
|
var mapVLayer$2;
|
|
if (typeof Cesium !== 'undefined') {
|
|
var defIndex = 0;
|
|
var r = Cesium;
|
|
|
|
var MapVLayer$1 = function () {
|
|
/**
|
|
*Creates an instance of MapVLayer.
|
|
* @param {*} viewer
|
|
* @param {*} dataset
|
|
* @param {*} options
|
|
* @param {*} container default viewer.container
|
|
* @memberof MapVLayer
|
|
*/
|
|
function MapVLayer(viewer, dataset, options, container) {
|
|
classCallCheck(this, MapVLayer);
|
|
|
|
this.map = viewer, this.scene = viewer.scene, this.mapvBaseLayer = new MapVRenderer$1(viewer, dataset, options, this), this.mapVOptions = options, this.initDevicePixelRatio(), this.canvas = this._createCanvas(), this.render = this.render.bind(this);
|
|
if (container) {
|
|
this.container = container;
|
|
} else {
|
|
var inner = viewer.container.querySelector('.cesium-viewer-cesiumWidgetContainer');
|
|
this.container = inner ? inner : viewer.container;
|
|
}
|
|
this.addInnerContainer();
|
|
|
|
// void 0 != container ? (this.container = container,
|
|
// container.appendChild(this.canvas)) : (this.container = viewer.container,
|
|
// this.addInnerContainer()),
|
|
this.bindEvent();
|
|
this._reset();
|
|
}
|
|
|
|
createClass(MapVLayer, [{
|
|
key: 'initDevicePixelRatio',
|
|
value: function initDevicePixelRatio() {
|
|
this.devicePixelRatio = window.devicePixelRatio || 1;
|
|
}
|
|
}, {
|
|
key: 'addInnerContainer',
|
|
value: function addInnerContainer() {
|
|
this.container.appendChild(this.canvas);
|
|
}
|
|
}, {
|
|
key: 'bindEvent',
|
|
value: function bindEvent() {
|
|
var that = this;
|
|
|
|
this.innerMoveStart = this.moveStartEvent.bind(this);
|
|
this.innerMoveEnd = this.moveEndEvent.bind(this);
|
|
this.scene.camera.moveStart.addEventListener(this.innerMoveStart, this);
|
|
this.scene.camera.moveEnd.addEventListener(this.innerMoveEnd, this);
|
|
|
|
var t = new Cesium.ScreenSpaceEventHandler(this.scene.canvas);
|
|
|
|
t.setInputAction(function (t) {
|
|
that.innerMoveEnd();
|
|
}, Cesium.ScreenSpaceEventType.LEFT_UP);
|
|
t.setInputAction(function (t) {
|
|
that.innerMoveEnd();
|
|
}, Cesium.ScreenSpaceEventType.MIDDLE_UP);
|
|
this.handler = t;
|
|
}
|
|
}, {
|
|
key: 'unbindEvent',
|
|
value: function unbindEvent() {
|
|
this.scene.camera.moveStart.removeEventListener(this.innerMoveStart, this);
|
|
this.scene.camera.moveEnd.removeEventListener(this.innerMoveEnd, this);
|
|
this.scene.postRender.removeEventListener(this._reset, this);
|
|
this.handler && (this.handler.destroy(), this.handler = null);
|
|
}
|
|
}, {
|
|
key: 'moveStartEvent',
|
|
value: function moveStartEvent() {
|
|
if (this.mapvBaseLayer) {
|
|
this.mapvBaseLayer.animatorMovestartEvent();
|
|
this.scene.postRender.addEventListener(this._reset, this);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'moveEndEvent',
|
|
value: function moveEndEvent() {
|
|
if (this.mapvBaseLayer) {
|
|
this.scene.postRender.removeEventListener(this._reset, this), this.mapvBaseLayer.animatorMoveendEvent();
|
|
this._reset();
|
|
}
|
|
}
|
|
}, {
|
|
key: 'zoomStartEvent',
|
|
value: function zoomStartEvent() {
|
|
this._unvisiable();
|
|
}
|
|
}, {
|
|
key: 'zoomEndEvent',
|
|
value: function zoomEndEvent() {
|
|
this._unvisiable();
|
|
}
|
|
}, {
|
|
key: 'addData',
|
|
value: function addData(t, e) {
|
|
void 0 != this.mapvBaseLayer && this.mapvBaseLayer.addData(t, e);
|
|
}
|
|
}, {
|
|
key: 'updateData',
|
|
value: function updateData(t, e) {
|
|
void 0 != this.mapvBaseLayer && this.mapvBaseLayer.updateData(t, e);
|
|
}
|
|
}, {
|
|
key: 'getData',
|
|
value: function getData() {
|
|
return this.mapvBaseLayer && (this.dataSet = this.mapvBaseLayer.getData()), this.dataSet;
|
|
}
|
|
}, {
|
|
key: 'removeData',
|
|
value: function removeData(t) {
|
|
void 0 != this.mapvBaseLayer && this.mapvBaseLayer && this.mapvBaseLayer.removeData(t);
|
|
}
|
|
}, {
|
|
key: 'removeAllData',
|
|
value: function removeAllData() {
|
|
void 0 != this.mapvBaseLayer && this.mapvBaseLayer.clearData();
|
|
}
|
|
}, {
|
|
key: '_visiable',
|
|
value: function _visiable() {
|
|
return this.canvas.style.display = "block", this;
|
|
}
|
|
}, {
|
|
key: '_unvisiable',
|
|
value: function _unvisiable() {
|
|
return this.canvas.style.display = "none", this;
|
|
}
|
|
}, {
|
|
key: '_createCanvas',
|
|
value: function _createCanvas() {
|
|
var t = document.createElement("canvas");
|
|
t.id = this.mapVOptions.layerid || "mapv" + defIndex++, t.style.position = "absolute", t.style.top = "0px", t.style.left = "0px", t.style.pointerEvents = "none", t.style.zIndex = this.mapVOptions.zIndex || 0, t.width = parseInt(this.map.canvas.width), t.height = parseInt(this.map.canvas.height), t.style.width = this.map.canvas.style.width, t.style.height = this.map.canvas.style.height;
|
|
var e = this.devicePixelRatio;
|
|
return "2d" == this.mapVOptions.context && t.getContext(this.mapVOptions.context).scale(e, e), t;
|
|
}
|
|
}, {
|
|
key: '_reset',
|
|
value: function _reset() {
|
|
this.resizeCanvas();
|
|
this.fixPosition();
|
|
this.onResize();
|
|
this.render();
|
|
}
|
|
}, {
|
|
key: 'draw',
|
|
value: function draw() {
|
|
this._reset();
|
|
}
|
|
}, {
|
|
key: 'show',
|
|
value: function show() {
|
|
this._visiable();
|
|
}
|
|
}, {
|
|
key: 'hide',
|
|
value: function hide() {
|
|
this._unvisiable();
|
|
}
|
|
}, {
|
|
key: 'destroy',
|
|
value: function destroy() {
|
|
this.remove();
|
|
}
|
|
}, {
|
|
key: 'remove',
|
|
value: function remove() {
|
|
void 0 != this.mapvBaseLayer && (this.removeAllData(), this.mapvBaseLayer.clear(this.mapvBaseLayer.getContext()), this.mapvBaseLayer = void 0, this.canvas.parentElement.removeChild(this.canvas));
|
|
}
|
|
}, {
|
|
key: 'update',
|
|
value: function update(t) {
|
|
void 0 != t && this.updateData(t.data, t.options);
|
|
}
|
|
}, {
|
|
key: 'resizeCanvas',
|
|
value: function resizeCanvas() {
|
|
if (void 0 != this.canvas && null != this.canvas) {
|
|
var t = this.canvas;
|
|
t.style.position = "absolute", t.style.top = "0px", t.style.left = "0px", t.width = parseInt(this.map.canvas.width), t.height = parseInt(this.map.canvas.height), t.style.width = this.map.canvas.style.width, t.style.height = this.map.canvas.style.height;
|
|
}
|
|
}
|
|
}, {
|
|
key: 'fixPosition',
|
|
value: function fixPosition() {}
|
|
}, {
|
|
key: 'onResize',
|
|
value: function onResize() {}
|
|
}, {
|
|
key: 'render',
|
|
value: function render() {
|
|
void 0 != this.mapvBaseLayer && this.mapvBaseLayer._canvasUpdate();
|
|
}
|
|
}]);
|
|
return MapVLayer;
|
|
}();
|
|
|
|
mapVLayer$2 = function mapVLayer(viewer, dataSet, mapVOptions, container) {
|
|
return new MapVLayer$1(viewer, dataSet, mapVOptions, container);
|
|
};
|
|
}
|
|
|
|
var mapVLayer$3 = mapVLayer$2;
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var geojson = {
|
|
getDataSet: function getDataSet(geoJson) {
|
|
|
|
var data = [];
|
|
var features = geoJson.features;
|
|
if (features) {
|
|
for (var i = 0; i < features.length; i++) {
|
|
var feature = features[i];
|
|
var geometry = feature.geometry;
|
|
var properties = feature.properties;
|
|
var item = {};
|
|
for (var key in properties) {
|
|
item[key] = properties[key];
|
|
}
|
|
item.geometry = geometry;
|
|
data.push(item);
|
|
}
|
|
}
|
|
return new DataSet(data);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @author kyle / http://nikai.us/
|
|
*/
|
|
|
|
var csv = {
|
|
CSVToArray: function CSVToArray(strData, strDelimiter) {
|
|
// Check to see if the delimiter is defined. If not,
|
|
// then default to comma.
|
|
strDelimiter = strDelimiter || ",";
|
|
|
|
// Create a regular expression to parse the CSV values.
|
|
var objPattern = new RegExp(
|
|
// Delimiters.
|
|
"(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +
|
|
|
|
// Quoted fields.
|
|
"(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
|
|
|
|
// Standard fields.
|
|
"([^\"\\" + strDelimiter + "\\r\\n]*))", "gi");
|
|
|
|
// Create an array to hold our data. Give the array
|
|
// a default empty first row.
|
|
var arrData = [[]];
|
|
|
|
// Create an array to hold our individual pattern
|
|
// matching groups.
|
|
var arrMatches = null;
|
|
|
|
// Keep looping over the regular expression matches
|
|
// until we can no longer find a match.
|
|
while (arrMatches = objPattern.exec(strData)) {
|
|
|
|
// Get the delimiter that was found.
|
|
var strMatchedDelimiter = arrMatches[1];
|
|
|
|
// Check to see if the given delimiter has a length
|
|
// (is not the start of string) and if it matches
|
|
// field delimiter. If id does not, then we know
|
|
// that this delimiter is a row delimiter.
|
|
if (strMatchedDelimiter.length && strMatchedDelimiter !== strDelimiter) {
|
|
|
|
// Since we have reached a new row of data,
|
|
// add an empty row to our data array.
|
|
arrData.push([]);
|
|
}
|
|
|
|
var strMatchedValue;
|
|
|
|
// Now that we have our delimiter out of the way,
|
|
// let's check to see which kind of value we
|
|
// captured (quoted or unquoted).
|
|
if (arrMatches[2]) {
|
|
|
|
// We found a quoted value. When we capture
|
|
// this value, unescape any double quotes.
|
|
strMatchedValue = arrMatches[2].replace(new RegExp("\"\"", "g"), "\"");
|
|
} else {
|
|
|
|
// We found a non-quoted value.
|
|
strMatchedValue = arrMatches[3];
|
|
}
|
|
|
|
// Now that we have our value string, let's add
|
|
// it to the data array.
|
|
arrData[arrData.length - 1].push(strMatchedValue);
|
|
}
|
|
|
|
// Return the parsed data.
|
|
return arrData;
|
|
},
|
|
|
|
getDataSet: function getDataSet(csvStr, split) {
|
|
|
|
var arr = this.CSVToArray(csvStr, split || ',');
|
|
|
|
var data = [];
|
|
|
|
var header = arr[0];
|
|
|
|
for (var i = 1; i < arr.length - 1; i++) {
|
|
var line = arr[i];
|
|
var item = {};
|
|
for (var j = 0; j < line.length; j++) {
|
|
var value = line[j];
|
|
if (header[j] == 'geometry') {
|
|
value = JSON.parse(value);
|
|
}
|
|
item[header[j]] = value;
|
|
}
|
|
data.push(item);
|
|
}
|
|
|
|
return new DataSet(data);
|
|
}
|
|
};
|
|
|
|
exports.version = version;
|
|
exports.canvasClear = clear;
|
|
exports.canvasResolutionScale = resolutionScale$1;
|
|
exports.canvasDrawSimple = drawSimple;
|
|
exports.canvasDrawHeatmap = drawHeatmap;
|
|
exports.canvasDrawGrid = drawGrid;
|
|
exports.canvasDrawHoneycomb = drawHoneycomb;
|
|
exports.webglDrawSimple = webglDrawSimple;
|
|
exports.webglDrawPoint = point;
|
|
exports.webglDrawLine = line;
|
|
exports.webglDrawPolygon = polygon;
|
|
exports.utilCityCenter = cityCenter;
|
|
exports.utilCurve = curve;
|
|
exports.utilForceEdgeBundling = ForceEdgeBundling;
|
|
exports.utilDataRangeIntensity = Intensity;
|
|
exports.utilDataRangeCategory = Category;
|
|
exports.utilDataRangeChoropleth = Choropleth;
|
|
exports.Map = MapHelper;
|
|
exports.baiduMapCanvasLayer = CanvasLayer;
|
|
exports.baiduMapAnimationLayer = AnimationLayer;
|
|
exports.baiduMapLayer = Layer;
|
|
exports.googleMapCanvasLayer = CanvasLayer$2;
|
|
exports.googleMapLayer = Layer$2;
|
|
exports.MaptalksLayer = Layer$5;
|
|
exports.AMapLayer = Layer$6;
|
|
exports.OpenlayersLayer = Layer$8;
|
|
exports.leafletMapLayer = mapVLayer$1;
|
|
exports.cesiumMapLayer = mapVLayer$3;
|
|
exports.DataSet = DataSet;
|
|
exports.geojson = geojson;
|
|
exports.csv = csv;
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
})));
|
|
|