Method and apparatus for representing computer-modeled objects
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United States of America Patent
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Aug 6, 2002
Grant Date -
N/A
app pub date -
Mar 11, 1998
filing date -
Mar 11, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an apparatus and method for representing computer-modeled objects comprising a plurality of adjacent polygon surfaces, the image impression in the corner points of the polygon surfaces is calculated according to a local illumination model, whereas the image impression of the remaining pixels is interpolated according to the Gouraud shading method, and a color or brightness value is additionally calculated for simulating a surface structure for each pixel, the value taking into consideration the influence of the surface structure on the image impression without necessitating a complicated calculation of the local illumination model in each pixel.
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