Method and apparatus for mapping texture on an object displayed at a varying view angle from an observer
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United States of America Patent
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Jul 28, 1998
Issued Date -
N/A
app pub date -
Jun 13, 1997
filing date -
Jan 26, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A plurality of texture data of a surface of an object to be displayed as viewed from a plurality of assumed directions are stored in a texture memory. When a CPU sends to a graphic processor information specifying a shape of the surface, a direction to view the surface and a texture in the texture memory as a command, a geometric operation unit produces read information of the texture memory based on the input information. A triangle generator reads the texture data corresponding to the view direction of the surface of the object by the read information for texture mapping. An image of the texture mapped image of the surface of the object is stored in a frame memory and displayed on a monitor. When there is no texture data corresponding to the view direction, a plurality of texture data closest thereto are read from the texture memory and interpolated to produce an appropriate texture data.
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Cited Art Landscape
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