Cesium-Examples/examples/cesiumEx/2.3.2、entity线.html
2025-11-26 14:20:25 +08:00

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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>
</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">
const viewer = new Cesium.Viewer('map', {
imageryProvider: false,
baseLayerPicker: false,
});
var xyz = new Cesium.UrlTemplateImageryProvider({
"url": '//data.mars3d.cn/tile/img/{z}/{x}/{y}.jpg'
})
viewer.imageryLayers.addImageryProvider(xyz)
// Cesium地形
viewer.terrainProvider = new Cesium.CesiumTerrainProvider({
url: '//data.mars3d.cn/terrain'
});
// 深度监测
viewer.scene.globe.depthTestAgainstTerrain = true;
// 贴地
var hello = viewer.entities.add({
name: 'hello world',
polyline: {
positions: Cesium.Cartesian3.fromDegreesArray([-77, 35, -80, 35, -90, 45]),
width: 3,
material: Cesium.Color.RED,
clampToGround: true,//贴地画线
}
});
// 不贴地
var world = viewer.entities.add({
name: 'hello world',
polyline: {
positions: Cesium.Cartesian3.fromDegreesArray([-77, 30, -80, 30, -90, 40]),
width: 3,
material: Cesium.Color.BLUE,
clampToGround: false,
}
});
// 不贴地2
var start = Cesium.Cartesian3.fromDegrees(-57, 30, 2800.0);
var end = Cesium.Cartesian3.fromDegrees(-70, 40, 300000.0);
var world = viewer.entities.add({
name: 'hello world',
polyline: {
positions: [start, end],
width: 3,
material: Cesium.Color.BLUE,
clampToGround: false,
}
});
</script>
</body>
</html>