A system for performing visible object determination. Visualization software running on a host processor represents space with a hierarchy of cones, and generates a hierarchy of bounding hulls from a collection of objects by recursively grouping clusters of objects. Each hull node in the hull hierarchy...http://www.google.es/patents/US20020191034?utm_source=gb-gplus-sharePatente US20020191034 - Size conditioned visibility search system and method
Size conditioned visibility search system and method
