Web所以Cesium为其提供了Primitive (图元)类和Entity (实体)类去创建一个几何对象，也提供了与材质有关的Material类和MaterialProperty类，可以分别对Primitive和Entity两种方式生成的几何对象的material对象进行赋值。. … Web在上面的代码中，我们使用Cesium.Geometry和Cesium.GeometryInstance类创建几何图形，使用Cesium.Primitive类将其添加到场景中，并使用Cesium.PerInstanceColorAppearance类来为每个面设置颜色。这个示例中绘制的是三角形面，如果需要绘制其他形状的面，只需要更改顶点坐标和顶点索引即可。

Drawing polygon using mouse click in Cesium?

WebSep 30, 2015 · The other is shapes that will will get updated many times, like thousands, in a few seconds, then not change again for a long time, if ever. I had two ideas for how to fix this. Idea 1: Have two methods, a renderDynamicPolygon and a renderStaticPolygon. The renderDynamicPolygon method would do the above functionality, using the ... WebJul 12, 2024 · 河流材质效果 Cesium.Material. 看了这个文档我尝试加载geojson然后遍历设置每个Entity的材质，发现两个材质新建的对象不一样. Entity中材质设置是 new Cesium.MaterialProperty () Primitive中材质设置是 new Cesium.Material () 明显可以发现二者的材质是有区别的，主要是因为Entity ... boxy autoloader

Cesium快速上手4-Polylines图元使用讲解 - 码上快乐

WebName Type Default Description; positions: Array. An array of Cartesian3 defining the polyline's points. Heights above the ellipsoid will be ignored. width: number: 1.0: optional The screen space width in pixels.: granularity: number: 9999.0 WebMar 9, 2024 · 前言. 使用Cesium加载线数据时，在关闭地形的情况下毫无问题，但在开启地形加载地形数据以后，由于地面将不再是平平整整，而是可能会坑坑洼洼，在这种情况 … WebJul 12, 2016 · +1 for me. Same issue with polylines rendering over labels, polylines left untouched, labels having disableDepthTestDistance: Number.POSITIVE_INFINITY.. When setting polyline material and depthFailMaterial to be different, I discovered that parts of polyline covering the labels are rendered using depthFailMaterial event through the … gutter heat tape controller