PointBased Occlusion and Color Bleeding 与 Occlusion Baking 的区别

The "baking" in the point-based method is nothing more than a simple conversion of scene's geometry into a point cloud file

最大的区别就是ptc 方法仅仅是讲场景几何体转换为ptc文件所以非常快，不需要任何bake 

来自3delight 文档 

7.7 Point-Based Occlusion and Color Bleeding