Automatic Creation of Object Hierarchies for Ray Tracing

Abstract

Intersection calculations dominate the run time of canonical ray tracers. A common algorithm to reduce the number of intersection tests required is the intersection of rays with a tree of extents, rather than the whole database of objects. A shortcoming of this method is that these trees are difficult to generate. Additionally, manually generated trees can… (More)
DOI: 10.1109/MCG.1987.276983

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