Cesium-Examples/examples/cesiumEx/2.1.13、wkt.html
2025-05-20 14:52:40 +08:00

49 lines
2.0 KiB
HTML

<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
<script src="./wkt/terraformer.js"></script>
<script src="./wkt/terraformer-wkt-parser.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.eyJqdGkiOiJjM2EzNGJmNy02N2RmLTQ0MDMtYjI2MS1hZTJiMTIwZGYwMTYiLCJpZCI6MzA0MzEyLCJpYXQiOjE3NDc3MjM3MTV9.ePQNhuoVuDsi_z00lTm5W26wyW1Adcr1AWetGM6WSXI'
const viewer = new Cesium.Viewer('map', {});
// 开启帧率
viewer.scene.debugShowFramesPerSecond = true;
let wkts = "POLYGON((102.797302689433 36.5936423859273,105.519115206186 29.4789248520356,100.346180647351 29.9699202912212))";
let geojson = {
"type": "Polygon",
"coordinates": [
[[100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]],
[[100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2]]
]
}
console.log("wkt转geojson", Terraformer.WKT.parse(wkts))
console.log("geojson转wkt", Terraformer.WKT.convert(geojson))
var promise = Cesium.GeoJsonDataSource.load(Terraformer.WKT.parse(wkts), {
clampToGround: true,
fill: Cesium.Color.PINK.withAlpha(0.6),
});
promise.then(function (dataSource) {
viewer.dataSources.add(dataSource);
});
viewer.flyTo(promise);
</script>
</body>
</html>