DEPRECATED. This shader is unsupported, but it may still get installed with Softimage to provide compatibility with older scenes that use it. It is recommended that you replace unsupported shaders in your scenes with equivalent shaders from the current Softimage shader library.
Performs a type of anti-aliasing without taking the background color into consideration by over-sampling the primary rays of an object. Especially useful for games developers who want to create "sprites" that aren't "contaminated" with any contour.