Computer graphics processing and selective visual display system – Computer graphics processing – Shape generating
Reexamination Certificate
2006-01-31
2006-01-31
Bella, Matthew C. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphics processing
Shape generating
C345S419000, C703S001000
Reexamination Certificate
active
06992670
ABSTRACT:
In one embodiment, selecting a screen region on a screen of a monitor of a computer graphics display system to activate in rendering a straight line segment. Steps of aligning a rectangular grid to screen region boundaries, wherein the screen includes a screen space divided into at least one screen region, locating a first and second endpoints of the straight line segment on the screen space, defining a rectangular bounding box in the screen space having vertices at the first and second endpoints, identifying each screen region that at least partially overlaps the bounding box, and selecting each identified screen region through which the straight line segment passes to activate for rendering the straight line segment on the screen are disclosed.
REFERENCES:
patent: 6437780 (2002-08-01), Baltaretu et al.
Foley et al., “Computer Graphics: Principles and Practice— Second Edition in C”, Reading, Massachusetts: Addison-Wesley Publishing Company (1996), pp. 71-79.
Segal et al., “The OpenGL Graphics System: A Specification (Version 1.3)”, Aug. 14, 2001, pp. 58-78.
Larson Ronald D.
Thrasher Thomas L.
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