2019-08-13 17:26:27 +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>city demo</title>
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2019-08-19 10:50:57 +08:00
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</head>
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2019-08-13 17:26:27 +08:00
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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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<body>
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<div id="map">
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</div>
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<script src="https://webapi.amap.com/maps?v=1.4.8&key=f28fca5384129d180ad82915156a9baf&plugin=Map3D"></script>
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<script src="./assets/jquery-3.2.1.min.js"></script>
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<script src="../build/L7.js"></script>
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<script>
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2019-08-19 10:50:57 +08:00
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function parseCSV (data) {
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const lines = data.split('\n')
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const header = lines[0]
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const columns = header.split(',')
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return lines.slice(1).filter(l => l).map(line => {
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const obj = {}
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line.split(',').forEach((value, i) => {
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const name = columns[i]
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obj[name] = value;
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})
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return obj
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})
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}
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2019-08-13 17:26:27 +08:00
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const scene = new L7.Scene({
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id: 'map',
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2019-08-19 10:50:57 +08:00
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mapStyle: 'dark', // 样式URL
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center: [-73.95115, 40.76628 ],
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pitch: 56,
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zoom: 13.67,
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rotation:255.1,
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hash:true
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2019-08-13 17:26:27 +08:00
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});
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2019-08-19 10:50:57 +08:00
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scene.on('loaded',()=>{
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Promise.all([
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fetch('https://gw.alipayobjects.com/os/basement_prod/9acd4831-5655-41a5-b0a0-831603e0092d.json').then(d => d.text()).then(JSON.parse),
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fetch('https://gw.alipayobjects.com/os/basement_prod/dbe4e40b-3fbf-4a20-b36b-7a8bd3b8aef2.csv').then(d => d.text()),
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fetch('https://gw.alipayobjects.com/os/basement_prod/89d20ef7-77df-44ca-a238-6e3679ab3ae4.csv').then(d => d.text())
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]).then(function onLoad ([coordinates, trips, stations]) {
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const stationArray = parseCSV(stations);
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const stationObj = {};
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stationArray.forEach((st)=>{
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stationObj[st.station_id] = {
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x:st.longitude* 1,
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y:st.latitude * 1,
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}
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})
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const tripsArray = parseCSV(trips);
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const triplines = [];
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tripsArray.forEach(trip=>{
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if(stationObj[trip.start_station] && stationObj[trip.end_station]) {
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const line = {
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x: stationObj[trip.start_station].x,
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y: stationObj[trip.start_station].y,
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x1: stationObj[trip.end_station].x,
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y1: stationObj[trip.end_station].y,
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duration: trip.duration,
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}
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triplines.push(line);
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}
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})
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const triplayer = scene.LineLayer({
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zIndex: 1
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})
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.source(triplines.slice(0,500),{
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parser:{
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type:'json',
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x:'x',
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y:'y',
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x1:'x1',
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y1:'y1'
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}
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})
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.shape('arc')
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.size(2)
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.color('#fec44f')
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.style({
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opacity:0.9,
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})
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.render();
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2019-08-13 17:26:27 +08:00
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2019-08-19 10:50:57 +08:00
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const road = scene.LineLayer({
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zIndex: 0
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2019-08-13 17:26:27 +08:00
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})
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.source(coordinates)
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2019-08-13 17:26:27 +08:00
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.shape('line')
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2019-08-19 10:50:57 +08:00
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.size(1.5)
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.color('#eee')
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.style({
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opacity:1,
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})
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.render();
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const station = scene.PointLayer({
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zIndex: 0
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})
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.source(stations,{
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parser:{
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type:'csv',
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x:'longitude',
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y:'latitude'
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}
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})
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.shape('circle')
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.active(true)
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.size(5)
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.color('#fec44f')
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2019-08-13 17:26:27 +08:00
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.style({
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2019-08-19 10:50:57 +08:00
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opacity:0.9,
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})
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2019-08-13 17:26:27 +08:00
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.render();
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2019-08-19 10:50:57 +08:00
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})
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2019-08-13 17:26:27 +08:00
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})
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</script>
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</body>
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</html>
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