2019-02-27 15:33:38 +08:00
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<meta name="geometry" content="diagram">
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<link rel="stylesheet" href="./assets/common.css">
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<title>point_circle</title>
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<style>
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#map { position:absolute; top:0; bottom:0; width:100%; }
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</style>
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</head>
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<body>
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<div id="map"></div>
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<script src="https://webapi.amap.com/maps?v=1.4.8&key=15cd8a57710d40c9b7c0e3cc120f1200&plugin=Map3D"></script>
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<script src="./assets/jquery-3.2.1.min.js"></script>
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<script src="./assets/dat.gui.min.js"></script>
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<script src="../build/L7.js"></script>
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<script>
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const scene = new L7.Scene({
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id: 'map',
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mapStyle: 'dark', // 样式URL
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center: [120.132624,30.281774],
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pitch: 0,
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zoom: 10
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});
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scene.on('loaded', () => {
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$.get('https://gw.alipayobjects.com/os/basement_prod/7359a5e9-3c5e-453f-b207-bc892fb23b84.csv', data => {
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2019-03-01 13:09:41 +08:00
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var layer = scene.HeatmapLayer({
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2019-02-27 15:33:38 +08:00
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zIndex: 2
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})
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.source(data, {
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parser: {
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type: 'csv',
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x: 'lng',
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y: 'lat'
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},
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transforms:[
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{
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type: 'map',
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callback:function(item){
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const [x, y] = item.coordinates;
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item.lat = item.lat*1;
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item.lng = item.lng*1;
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item.v = item.v *1;
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item.coordinates = [x*1,y*1];
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return item;
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}
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},
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{
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type: 'hexagon',
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size: 6000,
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field:'v',
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method:'sum'
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}
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]
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})
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.active(true)
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.shape('hexagon')
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.style({
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coverage: 0.9,
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angle: 0,
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})
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.color('count', ["#002466","#105CB3","#2894E0","#CFF6FF","#FFF5B8","#FFAB5C","#F27049","#730D1C"])
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.render();
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console.log(layer);
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});
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});
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</script>
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</body>
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</html>
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