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Object visibility control for ray tracing

  • US 7,479,960 B2
  • Filed: 10/04/2005
  • Issued: 01/20/2009
  • Est. Priority Date: 06/27/2001
  • Status: Expired due to Fees
First Claim
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1. A method of ray tracing for a graphics rendering system, the method comprising:

  • identifying a ray-object intersection point on an object, the object having associated object visibility rules;

    processing with a processor, each of a plurality of rays associated with the ray-object intersection point in accordance with the object visibility rules, wherein the object visibility rules specify whether to selectively exclude the contribution of each of the rays to a rendered image based on each of the ray'"'"'s intersections with other objects identified by the object visibility rules; and

    generating a digital image based on the processing.

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