NDLI: DreamWorks animation facial motion and deformation system

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DreamWorks animation facial motion and deformation system

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DreamWorks animation facial motion and deformation system

Content Provider	ACM Digital Library
Author	Nilsson, Frederick Watkins, Brent Hutchinson, Michael Pohle, Sven Walsh, Dick Candell, Stephen Reisig, Jason
Abstract	DreamWorks Animation's Premo animation system enables a direct manipulation of controls in real time on the geometry of the character. To support this workflow a new approach for our facial system needed to be developed as a typical shape driven system with macro controls could not take advantage of the new software. This paper introduces a free-form facial control shaping system, a new in-house motion system approach coupled with a curve based pose interpolation system in a layered deformation rigging system. The resulting rigs are capable of producing a larger amount of facial shapes while offering more control to the animator. A freely designed set of Featurelines defining either main control areas or layers of minor controls is driven by the posing system. A highly layered Deformation System using a new curve based deformer type at its base is then used to transfer the motion into the Face. Several additional layers allow for a very art directable rigging system and provide a necessary level of abstraction for the artist. This system in its various stages has been used on productions using Premo at DreamWorks.
Starting Page	5
Ending Page	6
Page Count	2
File Format	PDF
ISBN	9781450337182
DOI	10.1145/2791261.2791262
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-08-08
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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