radiance-materials 4R0+20110410-1build1 (amd64 binary) in ubuntu quantal

 Radiance is intended to aid lighting designers and architects by
 predicting the light levels and appearance of a space prior to
 construction.
 .
 This package contains common auxiliary files used by Radiance, including
 procedural patterns, textures and coordinate mappings, font descriptions,
 compiled scene descriptions for use in instances, material definitions,
 images for patterns and other examples.