Originally Posted by cmsmith
You know, I just had a thought: what do CGI in movies, particularly the Avatars of the world, use?
Micropolygons using REYES
rasterizer and limited ray-tracing.
Ray-tracing is usually used for creating GI data for renderer, but is rarely used for actual rendering as it has tendency of increase the needed amount of surface shading. (shaders can be tens of thousands of lines long.)