20.8. Further Information
The RealWorldz demo is available upon request from 3Dlabs. The Pandromeda Web site contains a large gallery of images and movies made with MojoWorld, a program that facilitates the creation and exploration of very high quality fractal worlds. A free trial version of MojoWorld is available. Ken Musgrave discusses some of the concepts behind MojoWorld in Texturing and Modeling: A Procedural Approach. Voronoi (cellular) noise is described by Steven Worley in his 1996 SIGGRAPH paper, A Cellular Texture Basis Function. See also the references at the end of Chapter 15 for more information about noise functions.