Method and apparatus for modeling specular reflection
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United States of America Patent
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Apr 8, 2003
Issued Date -
N/A
app pub date -
Apr 30, 2001
filing date -
May 21, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for modeling the specular reflection of light from an object is disclosed. In accordance with one embodiment of the method, a portion of the object is modeled by one or more surfaces each having at least one vertex and an edge point corresponding to an edge. A sine value associated with a highlight angle is determined at each vertex and edge point, and a control value is determined at each vertex and edge point using the sine values. A specular input component at each point on the surface is determined using the control values. The specular input component is utilized to determine the specular light component at that particular point. Embodiments of apparatus implementing the method are also disclosed.
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