mapv
Version:
a library of geography visualization
72 lines (63 loc) • 2.1 kB
HTML
<html>
<head>
<title>Cesium example</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- CesiumUnminified -->
<script src="https://openlayers.org/ol-cesium/node_modules/@camptocamp/cesium/Build/Cesium/Cesium.js"></script>
<link rel="stylesheet" type="text/css"
href="https://openlayers.org/ol-cesium/node_modules/@camptocamp/cesium/Build/Cesium/Widgets/widgets.css" />
<style>
html,
body,
#cesiumContainer {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="cesiumContainer"></div>
<script src="../../build/mapv.js"></script>
<script>
var viewer = new Cesium.Viewer('cesiumContainer', {
imageryProvider: new Cesium.UrlTemplateImageryProvider({
url: 'http://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png',
subdomains: ['a', 'b', 'c', 'd', 'e'],
}),
})
viewer.camera.setView({
destination: Cesium.Cartesian3.fromDegrees(-102.17609405517578, 34.41583177128595, 5000000)
});
var randomCount = 300;
var data = [];
while (randomCount--) {
data.push({
geometry: {
type: 'Point',
coordinates: [-125.8 + Math.random() * 50, 30.3 + Math.random() * 20]
},
count: parseInt(30 * Math.random())
});
}
var dataSet = new mapv.DataSet(data);
var options = {
size: 5, // 点大小
gradient: { // 显示的颜色渐变范围
0: 'blue',
0.6: 'cyan',
0.7: 'lime',
0.8: 'yellow',
1.0: 'red'
},
max: 30,
draw: 'intensity'
}
var mapvLayer = mapv.cesiumMapLayer(viewer, dataSet, options);
</script>
</body>
</html>