Computer graphics priority system with antialiasing

Details Computer graphics priority system with antialiasing Computer graphics priority system with antialiasing

1987-12-09

1990-04-17

Harkcom, Gary V.

Boots, shoes, and leggings

364518, 364521, 340729, 340728, 340747, G06F 1572, G06F 1562

Patent

active

049186264

ABSTRACT:
Image data is composed from primitives (polygons) to attain data for displays with the removal of hidden surfaces and smooth-appearing edges. Defined polygons are tested for priority in a determined field of vision by scan conversion to specify individual picture elements (pixels). Polygon contention for pixels is resolved by determining the edge of intersection between the planes of such polygons and testing the signs of certain values in accordance with predetermined criteria. Subpixel priority is treated for similar resolution to provide improved antialiased images.

REFERENCES:
patent: 3602702 (1971-08-01), Warnock
patent: 3816726 (1974-06-01), Sutherland et al.
patent: 4679040 (1987-07-01), Yan
patent: 4780711 (1988-10-01), Doumas
patent: 4811245 (1989-03-01), Bunker et al.
patent: 4812988 (1989-03-01), Duthuit et al.
Newman et al. "Principles of Interactive Computer Graphics" (2nd ed.) McGraw-Hill, 1979, (pp. 376-379.

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