Updating graphical objects based on object validity periods

Details Updating graphical objects based on object validity periods Updating graphical objects based on object validity periods

1997-04-24

1998-11-24

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

345421, 345422, 345501, G06T 1500

Patent

active

058414398

ABSTRACT:
A graphic display system includes a set of rendering engines and a plurality of data storage units. Each data storage unit in the set of data storage units is coupled to at least one rendering engine in the set of rendering engines. A selection means is included in the graphic display system for selecting a data storage unit in the plurality of data storage units. The selected data storage unit is to be used for storing data representing an object to be displayed by the graphic display system and is selected based on a validity period of the object. The selection means includes means for determining a size validity period of the object and means for determining a translational validity period of the object. The translational validity period is a time required for the object to change by a predetermined translational threshold, wherein the predetermined translational threshold is a first angle extending from a line that passes through both a reference point and the object. The size validity period is a time required for the object to change by a predetermined size threshold, wherein the predetermined size threshold is a second angle extending from the line.

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Riechlen, Bruce, "Sparcchait: A One Hundred Million Pixel Display", Virtual Reality, 1993 international Symposium, pp. 300-307, 1993.
Paper entitled "An Architecture for Orientation Mapping Post Rendering" from the proceedings of the third International Conference on Artifical Reality and Tele-Existence, ICAT '93, Jul. 6-7, 1993, pp. 121, et seq. Authors: Matthew Regan and Ronald Pose.
Paper entitled "A Low Latency Virtual Reality Display System" Technical Report No: 92/166, Sep. 1992, pp. 1-12, Authors: Matthew Regan and Ronald Pose. Department of Computer Science, Monash Univesity, Wellington Rd, Clayton, Victoria 3168.
Paper entitled "An Interactive Graphics Display Architecture" from the proceedings of VRAIS-93: Virtual Reality Annual International Symposium, Sep. 18-22, 1993, pp. 293-299, Authors: Matthew Regan and Ronald Pose.

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