US PATENT SUBCLASS 345 / 419
.~ Three-dimension

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

418  DF  COMPUTER GRAPHICS PROCESSING {9}
419.~ Three-dimension {7}
420  DF  .~.~> Solid modelling
421  DF  .~.~> Hidden line/surface determining {1}
423  DF  .~.~> Tessellation
424  DF  .~.~> Voxel
425  DF  .~.~> Mapping image onto surface of 3D object
426  DF  .~.~> Lighting/shading
427  DF  .~.~> Space transformation

DEFINITION

Classification: 345/419

Three-dimension:

(under subclass 418) Subject matter wherein objects are pictured to show them as they appear to the eye with reference to relative distance or depth from an imaginary viewpoint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

139, for the selective control to modify the image data to produce either a perspective or a shadow effect.