Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Patent
1996-07-03
1998-02-17
Feild, Joseph H.
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
345433, 345505, 345521, G06F 1300
Patent
active
057195986
ABSTRACT:
An image generator system for producing real time imagery from a digital database includes processors performing in sequence: scene data management, geometry processing, and video processing. The scene data management processor selects and organizes the data base objects, modeled with polygons, and distributes polygons to parallel geometry processing modules. Geometry processing modules convert the images from 3-D to 2-D coordinates and divide the polygons into two-pixel-high scanline-aligned "spans". Spans are collected and sorted in a region buffer associated with each channel of a scene. Occlusion is done hierarchically to conserve time and bandwidth, and antialiasing is performed recursively for the same reasons.
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Buchel Rudolph
Clarkson Douglas M.
Feild Joseph H.
Loral Aerospace Corporation
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