Patterns
Patterns
While Materials control the appearance of an object, patterns control the detail by varying the parameters of the material's Bxdf across a surface. Usually this involves modulating a noise function or applying a texture. RPS 19 ships with a set of patterns that allow texturing, color correction, bumping, and various utlility shading systems.
The patterns designed for use with PRMan's RIS mode can be divided into the following categories: