Efficient graphics process for clipping polygons

Details Efficient graphics process for clipping polygons Efficient graphics process for clipping polygons

1989-02-23

1991-09-24

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340723, 340721, G09G 114

Patent

active

050517376

ABSTRACT:
A system for displaying graphic images comprising an arrangement for clipping polygons against preselected clipping planes, an arrangement for determining when the vertices of a polygon all lie within one of a number of particular subspaces defined by the clipping planes, and an arrangement for disabling the means for clipping so long as all vertices of a polygon lie in the same subspace.

REFERENCES:
patent: 3889107 (1975-06-01), Sutherland
patent: 4623880 (1986-11-01), Bresenham et al.
patent: 4736200 (1988-04-01), Ounuma
patent: 4821209 (1989-04-01), Hempel et al.
Newman, (Principles of Interactive Computer Graphics), Second Edition, New York, McGraw-Hill, 1981, pp. 67-70.
Foley and Van Dam, "Fundamentals of Interactive Computer Graphics", 1982, pp. 144-149.

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