2025-03-19 02:51:24 +00:00
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<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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2025-03-19 03:00:22 +00:00
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<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
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2025-03-19 02:51:24 +00:00
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<script src="./turf.min.js"></script>
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</head>
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<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<script type="text/javascript">
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {});
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var points = turf.randomPoint(50, { bbox: [100, 20, 101, 21] });
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for (var i = 0; i < points.features.length; i++) {
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points.features[i].properties.z = ~~(Math.random() * 9);
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}
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2025-03-19 03:02:36 +00:00
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2025-03-19 02:51:24 +00:00
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points.features.push({
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type: 'Feature',
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geometry: {
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type: 'Point',
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coordinates: [100, 20]
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},
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properties: {
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z: 5
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}
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});
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points.features.push({
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type: 'Feature',
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geometry: {
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type: 'Point',
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coordinates: [101, 20]
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},
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properties: {
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z: 3
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}
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});
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points.features.push({
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type: 'Feature',
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geometry: {
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type: 'Point',
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coordinates: [101, 21]
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},
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properties: {
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z: 4
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}
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});
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points.features.push({
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type: 'Feature',
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geometry: {
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type: 'Point',
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coordinates: [100, 21]
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},
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properties: {
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z: 2
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}
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});
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var tin = turf.tin(points, 'z');
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var promise = Cesium.GeoJsonDataSource.load(tin, {});
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promise.then(function (dataSource) {
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viewer.dataSources.add(dataSource);
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var entities = dataSource.entities.values;
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for (var o = 0; o < entities.length; o++) {
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var r = entities[o];
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r.polygon.material = Cesium.Color.fromRandom({
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alpha: 0.7
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});
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}
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});
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viewer.flyTo(promise);
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</script>
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</body>
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</html>
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