Method and apparatus for intersecting color regions of multiple

Details Method and apparatus for intersecting color regions of multiple Method and apparatus for intersecting color regions of multiple

1993-07-15

1998-11-03

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

345431, 345435, G06T 1140

Patent

active

058316221

ABSTRACT:
A graphics system for rendering multiple computer images which may include intersecting regions. The graphics system invention includes processing logic for generating the displayed images. A recursive process is used for generating the contours of intersecting regions and for determining the color or shade to fill in each intersecting region. These fill colors or shades represent the result of combining the fill color of each shape included in a particular intersection. Finally, the intersecting regions with appropriate fill colors or shades are rendered and the non-intersected portion of the image is rendered with its appropriate fill color.

REFERENCES:
patent: 4718024 (1988-01-01), Guttag et al.
patent: 4954970 (1990-09-01), Walker et al.
patent: 5045967 (1991-09-01), Igarashi
patent: 5276787 (1994-01-01), Searby

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