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LibEE 2: enabling fast edits and evaluation

Published: 11 August 2018 Publication History

Abstract

The Premo animation platform [Gong et al. 2014] developed by DreamWorks utilized LibEE v1 [Watt et al. 2012] for high performance graph evaluation. The animator experience required fast evaluation, but did not require fast editing of the graph. LibEE v1, therefore, was never designed to support efficient edits. This talk presents an overview of how we developed LibEE v2 to enable fast editing of character rigs while still maintaining or improving upon the speed of evaluation. Overall, LibEE v2 achieves a 100x speedup of authoring operations compared with LibEE v1.

References

[1]
Matthew Gong, Fredrik Nilsson, Alex Powell, Jason Reisig, Alex Wells, Stuart Bryson, Esteban Papp, and Paul DiLorenzo. 2014. Premo: A Natural-Interaction Animation Platform. In ACM SIGGRAPH 2014 Talks. ACM, 3.
[2]
Martin Watt, Lawrence D. Cutler, Alex Powell, Brendan Duncan, Michael Hutchinson, and Kevin Ochs. 2012. LibEE: A Multithreaded Dependency Graph for Character Animation. In Proceedings of the Digital Production Symposium (DigiPro '12). ACM, New York, NY, USA, 59--66.

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cover image ACM Conferences
DigiPro '18: Proceedings of the 8th Annual Digital Production Symposium
August 2018
60 pages
ISBN:9781450358958
DOI:10.1145/3233085
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Association for Computing Machinery

New York, NY, United States

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Published: 11 August 2018

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Author Tags

  1. animation
  2. authoring
  3. dependency graph
  4. directed acyclic graph
  5. evaluation
  6. rigging

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DigiPro '18
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DigiPro '18: The Digital Production Symposium
August 11, 2018
British Columbia, Vancouver, Canada

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