Cesium（Geometry）：合并几何体并设置几何体材质

最新推荐文章于 2025-04-22 19:06:19 发布

zy123698745

最新推荐文章于 2025-04-22 19:06:19 发布

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分类专栏：前端：Cesium

本文链接：https://blog.youkuaiyun.com/zy123698745/article/details/102812742

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var scene = viewer.scene;  
var instances = [];
instances.push(new Cesium.GeometryInstance({
	id:"test1",
	geometry: new Cesium.PolylineGeometry({
		positions: Cesium.Cartesian3.fromDegreesArrayHeights([109.79980744342872, 19.726783300634732, 0, 110.33598888957718, 19.728501947765064, 0]),
		width: 100.0,
		vertexFormat: Cesium.PolylineMaterialAppearance.VERTEX_FORMAT
	})
}));
instances.push(new Cesium.GeometryInstance({
	id:"test2",
	geometry: new Cesium.PolylineGeometry({
		positions: Cesium.Cartesian3.fromDegreesArrayHeights([109.79980744342872, 19.776783300634732, 0,
															   110.33598888957718, 19.778501947765064, 0]),
		width: 10.0,
		vertexFormat: Cesium.PolylineMaterialAppearance.VERTEX_FORMAT
	})
}));

var primitive = new Cesium.Primitive({
	geometryInstances: instances,
	appearance: new Cesium.PolylineMaterialAppearance({
		// 铁路
		material: Cesium.Material.fromType(Cesium.Material.PolylineDashType,{
			color : Cesiu