slides/webgl/asset/ec-demo2/hangzhou-track-gl.html (107 lines of code) (raw):
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<link rel="stylesheet" href="../common/reset.css">
</head>
<body>
<div id="main"></div>
<script src="http://api.map.baidu.com/api?v=2.0&ak=ZUONbpqGBsYGXNIYHicvbAbM"></script>
<script src="../common/echarts.min.js"></script>
<script src="../common/extension/bmap.min.js"></script>
<script src="../common/echarts-gl.js"></script>
<script src="../data/hangzhou-tracks.json.js"></script>
<script src="../data/xihuqu.js"></script>
<script>
var chart = echarts.init(document.getElementById('main'));
var lines = hangzhouTracks.map(function (track) {
return {
coords: track.map(function (seg, idx) {
return seg.coord.concat([seg.elevation]);
})
};
});
var len = lines.length;
for (var i = 0; i < 5; i++) {
for (var k = 0; k < len; k++) {
var coords = lines[k].coords;
lines.push({
coords: coords.map(function (coord) {
return [
coord[0] + (Math.random() - 0.5) / 9e4,
coord[1] + (Math.random() - 0.5) / 9e4,
coord[2] + (Math.random() - 0.5) / 9e4,
];
})
});
}
}
chart.setOption({
geo3D: {
map: 'xihuqu',
shading: 'realistic',
environment: 'none',
silent: true,
realisticMaterial: {
roughness: 0.8,
metalness: 0
},
postEffect: {
enable: true
},
groundPlane: {
color: '#000'
},
light: {
main: {
intensity: 0,
shadow: true,
shadowQuality: 'high',
alpha: 30
},
ambient: {
intensity: 0.2
}
},
viewControl: {
distance: 50
},
itemStyle: {
areaColor: '#000',
borderColor: '#fff'
},
boxHeight: 0.5
},
series: [{
type: 'lines3D',
coordinateSystem: 'geo3D',
effect: {
show: true,
constantSpeed: 10,
trailWidth: 2,
trailLength: 0.2,
trailColor: [2, 2, 10],
trailOpacity: 0.2
},
blendMode: 'lighter',
polyline: true,
lineStyle: {
width: 0.5,
color: 'rgb(50, 50, 150)',
opacity: 0.1
},
distanceToGeo3D: [0, 10],
data: lines
}]
});
window.onresize = chart.resize;
window.addEventListener('keydown', function () {
chart.dispatchAction({
type: 'lines3DToggleEffect',
seriesIndex: 0
});
});
</script>
</body>
</html>