Method for out-of core rendering of large 3D models

Details Method for out-of core rendering of large 3D models Method for out-of core rendering of large 3D models

2005-08-23

2005-08-23

Tung, Kee M. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S583000, C345S629000, C345S649000, C345S654000, C345S659000

Reexamination Certificate

active

06933946

ABSTRACT:
The present invention is a method and system for interactive rendering of large polygonal environments on commodity PC hardware. The system allows a user to walk through a large model at interactive frame rates on machines with limited memory. It works by first creating a hierarchical spatial decomposition of the model on disk using a fast and incremental out-of-core preprocessing algorithm. At running time, the system and method uses an approximate from-point visibility algorithm to dynamically determine which parts of the model to retrieve from disk. Multiple threads and a speculative prefetching algorithm are used to improve frame rates.

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