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Ray Tracing for the Movie 'Cars' Per H. Christensen, Julian Fong, David M. Laur, Dana Batali September 2006 This paper describes how we extended Pixar's RenderMan renderer with ray tracing abilities. In order to ray trace highly complex scenes we use multiresolution geometry and texture caches, and use ray differentials to determine the appropriate resolution. With this method we are able to efficiently ray trace scenes with much more geometry and ... [more] Available in Proceedings of the IEEE Symposium on Interactive Ray Tracing 2006, pages 1-6. IEEE 2006 |
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Ray Differentials and Multiresolution Geometry Caching for Distribution Ray
Tracing in Complex Scenes Per H. Christensen, David M. Laur, Julian Fong, Wayne L. Wooten, Dana Batali September 2003 When rendering only directly visible objects, ray tracing a few levels of specular reflection from large, low curvatures surfaces, and ray tracing shadows from point-like light sources, the accessed geometry is coherent and a geometry cache performs well. But in many other cases, ... [more] Published as pp. pp. 543-552 in Computer Graphics Forum (Eurographics 2003 Conference Proceedings), Blackwell Publishers, September 2003. |
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RenderMan, Theory and Practice Dana Batali, Byron Bashforth, Chris Bernardi, Per H. Christensen, David M. Laur, Christophe Hery, Guido Quaroni, Erin Tomson, Thomas Jordan, Wayne L. Wooten July 2003 Siggraph 2003 course notes. |