Area Shadow with Occlusion - RenderMan
The idea of this tutorial its to use the occlusion function to generate area shadow in a faster way.
带OCC的面阴影-renderman
This tutorial its written by Dmitry S. Novikоv from the R&D of Lunokhod Studio.
这个教程是 Lunokhod Studio.工作室的Dmitry S. Novikоv写的。
Here we are going to describe an extremely fast and simple way to calculate area shadows. Sometimes you can actually gain speed efficiency till 10 or more times in compare to the standard ray-traced method. Though, in general, it won?t work on transparent objects.
这个教程主要是想讲述一个及其快速和简单的生成面阴影的方法。很多时候与标准的 光线追踪 方式相比较,有时你可以有效的加速10倍。尽管,通常,它不适用于透明物体。