mapv
Version:
a library of geography visualization
1,236 lines (982 loc) • 282 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.mapv = global.mapv || {})));
}(this, (function (exports) { 'use strict';
var version = "2.0.37";
/**
* @author kyle / http://nikai.us/
*/
var clear = function (context) {
context && context.clearRect && context.clearRect(0, 0, context.canvas.width, context.canvas.height);
//context.canvas.width = context.canvas.width;
//context.canvas.height = context.canvas.height;
};
/**
* @author kyle / http://nikai.us/
*/
var resolutionScale$1 = function (context) {
var devicePixelRatio = window.devicePixelRatio || 1;
context.canvas.width = context.canvas.width * devicePixelRatio;
context.canvas.height = context.canvas.height * devicePixelRatio;
context.canvas.style.width = context.canvas.width / devicePixelRatio + 'px';
context.canvas.style.height = context.canvas.height / devicePixelRatio + 'px';
context.scale(devicePixelRatio, devicePixelRatio);
};
function Event() {
this._subscribers = {}; // event subscribers
}
/**
* Subscribe to an event, add an event listener
* @param {String} event Event name. Available events: 'put', 'update',
* 'remove'
* @param {function} callback Callback method. Called with three parameters:
* {String} event
* {Object | null} params
* {String | Number} senderId
*/
Event.prototype.on = function (event, callback) {
var subscribers = this._subscribers[event];
if (!subscribers) {
subscribers = [];
this._subscribers[event] = subscribers;
}
subscribers.push({
callback: callback
});
};
/**
* Unsubscribe from an event, remove an event listener
* @param {String} event
* @param {function} callback
*/
Event.prototype.off = function (event, callback) {
var subscribers = this._subscribers[event];
if (subscribers) {
//this._subscribers[event] = subscribers.filter(listener => listener.callback != callback);
for (var i = 0; i < subscribers.length; i++) {
if (subscribers[i].callback == callback) {
subscribers.splice(i, 1);
i--;
}
}
}
};
/**
* Trigger an event
* @param {String} event
* @param {Object | null} params
* @param {String} [senderId] Optional id of the sender.
* @private
*/
Event.prototype._trigger = function (event, params, senderId) {
if (event == '*') {
throw new Error('Cannot trigger event *');
}
var subscribers = [];
if (event in this._subscribers) {
subscribers = subscribers.concat(this._subscribers[event]);
}
if ('*' in this._subscribers) {
subscribers = subscribers.concat(this._subscribers['*']);
}
for (var i = 0, len = subscribers.length; i < len; i++) {
var subscriber = subscribers[i];
if (subscriber.callback) {
subscriber.callback(event, params, senderId || null);
}
}
};
/**
* get the center by the city name
* @author kyle / http://nikai.us/
*/
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;
};
}();
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;
}
size = minSize + (value - min) / (max - min) * (maxSize - minSize);
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 * ang