Computer graphics, parametric patch parallel subdivision process

Details Computer graphics, parametric patch parallel subdivision process Computer graphics, parametric patch parallel subdivision process

1985-10-03

1987-02-24

Gellner, Michael L.

Boots, shoes, and leggings

G06F 1566

Patent

active

046462511

ABSTRACT:
A system is disclosed for subdividing parametric patches for use in a computer graphics system to develop images. The system utilizes initial data, provided as by an interactive user, to represent control points for an initial patch from which the system rapidly computes control points for subpatches using parallel processors. The disclosed system is recursive so that each level of subdivision leads to greater refinement of an initial patch. In one embodiment, the processors in the system compute multiple control points, the grouping of processors exploiting patch symmetrical properties.

REFERENCES:
patent: 3889107 (1975-06-01), Sutherland
patent: 4360884 (1982-11-01), Okada et al.

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