Clip point in PointPrimitiveCollection properly
Clip point in PointPrimitiveCollection properly

AnalyticalGraphicsInc/cesium,CesiumGS/cesium,YonatanKra/cesium,likangning93/cesium,likangning93/cesium,CesiumGS/cesium,AnalyticalGraphicsInc/cesium,likangning93/cesium,CesiumGS/cesium,progsung/cesium,YonatanKra/cesium,YonatanKra/cesium,YonatanKra/cesium,progsung/cesium,likangning93/cesium,CesiumGS/cesium,CesiumGS/cesium,likangning93/cesium