Efficient rendering utilizing user defined rooms and windows

Details Efficient rendering utilizing user defined rooms and windows Efficient rendering utilizing user defined rooms and windows

1996-11-19

1999-07-20

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

G06F 1500

Patent

active

059261838

ABSTRACT:
A room is a region of space, such as a volumetric cell, that is associated with certain objects that are potentially visible (or potentially not visible) when the camera lies within the room. The rooms are distinct from the objects that represent a scene. A preprocessing step checks whether the camera is within a room, and if so determines those objects of the scene that are potentially visible (or potentially not visible) from within the room. Only those objects that are potentially visible from within the room are then rendered for display.

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patent: 5359704 (1994-10-01), Rossignac et al.
patent: 5428716 (1995-06-01), Brokenshire et al.
Visibility Preprocessing for Interactive Walkthroughs, ACM Press Computer Graphics, vol. 25, No. 4, Jul. 1991, pp. 61-69.
Hierarchical Z-Buffer Visibility Computer Graphics Proceedings, Annual Conference Series, 1993, pp. 231-238.

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