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GIS客户端分析 泰森多边形

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jiawanlong 2025-03-19 10:51:24 +08:00
parent 3325f5f6f1
commit 24b955db61
3 changed files with 95 additions and 2 deletions
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81
examples/cesiumEx/8.1.2、泰森多边形.html Normal file
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@ -0,0 +1,81 @@
<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./../../cesium/Cesium1.98/Widgets/widgets.css">
<script type="text/javascript" src="./../../cesium/Cesium1.98/Cesium.js"></script>
<script src="./turf.min.js"></script>
</head>
<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
<script type="text/javascript">
Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
const viewer = new Cesium.Viewer('map', {});
var points = turf.randomPoint(50, { bbox: [100, 20, 101, 21] });
for (var i = 0; i < points.features.length; i++) {
points.features[i].properties.z = ~~(Math.random() * 9);
}
points.features.push({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [100, 20]
},
properties: {
z: 5
}
});
points.features.push({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [101, 20]
},
properties: {
z: 3
}
});
points.features.push({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [101, 21]
},
properties: {
z: 4
}
});
points.features.push({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [100, 21]
},
properties: {
z: 2
}
});
var tin = turf.tin(points, 'z');
var promise = Cesium.GeoJsonDataSource.load(tin, {});
promise.then(function (dataSource) {
viewer.dataSources.add(dataSource);
var entities = dataSource.entities.values;
for (var o = 0; o < entities.length; o++) {
var r = entities[o];
r.polygon.material = Cesium.Color.fromRandom({
alpha: 0.7
});
}
});
viewer.flyTo(promise);
</script>
</body>
</html>

16
examples/cesiumEx/config.js
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@ -1043,11 +1043,23 @@ var exampleConfig = {
thumbnail: "8.1.1、叠加分析.jpg", thumbnail: "8.1.1、叠加分析.jpg",
fileName: "8.1.1、叠加分析" fileName: "8.1.1、叠加分析"
}, },
{
name: "8.1.2、泰森多边形",
name_en: "8.1.2、泰森多边形",
thumbnail: "8.1.2、泰森多边形.jpg",
fileName: "8.1.2、泰森多边形"
},
{
name: "8.1.3、等值面",
name_en: "8.1.3、等值面",
thumbnail: "8.1.5、等值面.jpg",
fileName: "8.1.5、等值面"
},
] ]
}, },
"map11cddd3233231": { "map11cddd3233231": {
name: "8.2、可视化1", name: "8.2、可视化",
name_en: "8.2、可视化1", name_en: "8.2、可视化",
content: [ content: [
{ {
name: "8.2.1、kriging", name: "8.2.1、kriging",

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examples/cesiumEx/img/8.1.2、泰森多边形.jpg Normal file
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