Foot roll rigging

Details Foot roll rigging Foot roll rigging

2005-05-16

2009-06-09

Chauhan, Ulka (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Animation

Reexamination Certificate

active

07545378

ABSTRACT:
A system and method enables animators to pose character models' feet. An initial foot model position is received. The initial foot model position specifies a foot model contact point. One or more foot roll parameters are specified that change the relative angle between at least a portion of the foot model and an initial orientation of an alignment plane. Foot roll parameters specify the rotation of the foot model around foot model contact points. Foot roll parameters can include heel roll, ball roll, and toe roll, which specify the rotation of the foot model around contact points on the heel, ball, and toe, respectively, of a foot model. To maintain the position of the foot model contact point, the foot model position is adjusted based on the foot roll parameter. The repositioned foot model is realigned with alignment plane, which restores contact at the foot model contact point.

REFERENCES:
patent: 7012608 (2006-03-01), Fujisaki
patent: 7088366 (2006-08-01), Okubo
patent: 2003/0022715 (2003-01-01), Okubo
Armin Bruderlin , Thomas W. Calvert, “Goal-Directed, Dynamic Animation of Human Walking,” Jul. 1989, Computer Graphics, vol. 23, No. 3, p. 233-242.
Jessica K. Hodgins, Wayne L. Wooten, David C. Brogan, James F. O'Brien, “Animating Human Athletics,” Sep. 1995, Proceedings of the 22nd Annual Conference on Computer Graphics and Interactive Techniques, p. 71-78.
Chris Maraffi, “Book: Maya® Character Creation: Modeling and Animation Controls,” Sep. 11, 2003, ISBN: 978-0-7357-1344-4, Chapter 3, Proquest Safari Books [online] <http://proquest.safaribooksonline.com/0735713448 >.
Taku Komura, Atsushi Kuroda, Shunsuke Kudoh, Tai Chiew Lan, Yoshinhis Shinagawa, “An Inverse Kinematics Method for 3D Figures with Motion Data,” Jul. 9, 2003, Proceedings of the Computer Graphics International, p. 266-2.

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