System and method using bounding volumes for assigning vertices

Details System and method using bounding volumes for assigning vertices System and method using bounding volumes for assigning vertices

1996-12-19

1999-06-15

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Animation

G06F 1500

Patent

active

059126752

ABSTRACT:
A system and method for assigning the vertices of an envelope to one or more elements of a skeleton in an animation model. Bounding volumes are defined for skeleton elements and define effective volumes which are positioned relative to the skeleton elements to encompass one or more vertices of envelopes. The bounding volume geometry may be defined as desired and a desired assignment operation type is selected for the bounding volume. When automated assignment is performed, assignment of the vertices within the bounding volumes is performed in accordance with the selected assignment operation for each bounding volume and with a selected maximum number of elements to which each vertex may be assigned. Bounding volumes may be overlapped to provide versatile automated assignment and the bounding volumes and corresponding assignment operations are stored with the skeleton and therefore are independent of the envelopes employed. Thus, the bounding volumes and assignment operations can be used both for the assignment of pre-production quality, low resolution, envelopes and for the subsequent assignment of production quality, high resolution, envelopes, as desired.

REFERENCES:
patent: 5442734 (1995-08-01), Murakami et al.
patent: 5714977 (1998-02-01), McNeil
patent: 5754189 (1998-05-01), Doi et al.

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