Polygon and polyline clipping for computer graphic displays

Details Polygon and polyline clipping for computer graphic displays Polygon and polyline clipping for computer graphic displays

1993-03-08

1995-10-03

Jankus, Almis

395133, 395135, 395143, G06F 1562

Patent

active

054558972

ABSTRACT:
A method of clipping polygons in two dimensions, in which if a vertex is outside a boundary line, the succeeding vertex is handled as it is also outside the same boundary line until determined to be otherwise, in which if a vertex is in the window, the succeeding vertex is handled as it is also in the window until determined to be otherwise. This method also produces the fewest vertices after clipping a polygon. A method for clipping polylines is also derived from this method.

REFERENCES:
patent: 5040130 (1991-08-01), Chang et al.
patent: 5208909 (1993-05-01), Corona et al.
Foley et al. "Computer Graphics Principles & Practice" 1990 pp. 110-125, 923-945.

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