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

G - Physics

09

G

375/12, 354/236

G09G 5/00 (2006.01) G06T 15/30 (2006.01)

Patent

CA 1328136

ABSTRACT A method of clipping polygons against rectilinear rectangular windows is disclosed, in which groups of consecutive vertices of the polygons are processed together, using a coherence property of polygons, rather than processing each pair of vertices in isolation. The method does not generate repetitive sequences of window corners. As a by- product, there is also a new polyline clipping algorithm which also uses the coherence property.

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