在cesium二维视图下绘制实体时,绘制的区域小的时候实体不填充 不显示
let shape = viewer.entities.add({
id: String(id),
polygon: {
hierarchy: positions as any,
// perPositionHeight: true,//每个顶点跟随地形起伏
// heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
material: new Cesium.ColorMaterialProperty(
Cesium.Color.WHITE.withAlpha(0.8)
),
zIndex: 4
},
});