The present invention generates an environment map by storing in memory color values associated with pixels of an image representing the panoramic scene. For at least one element of each facet of the environment map, a mapping operation is performed that comprises the following steps. A direction vector...http://www.google.com.au/patents/US5923334?utm_source=gb-gplus-sharePatent US5923334 - Polyhedral environment map utilizing a triangular data structure
