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Vector graphics animation with time-varying topology

Published: 27 July 2015 Publication History

Abstract

We introduce the Vector Animation Complex (VAC), a novel data structure for vector graphics animation, designed to support the modeling of time-continuous topological events. This allows features of a connected drawing to merge, split, appear, or disappear at desired times via keyframes that introduce the desired topological change. Because the resulting space-time complex directly captures the time-varying topological structure, features are readily edited in both space and time in a way that reflects the intent of the drawing. A formal description of the data structure is provided, along with topological and geometric invariants. We illustrate our modeling paradigm with experimental results on various examples.

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Published In

cover image ACM Transactions on Graphics
ACM Transactions on Graphics  Volume 34, Issue 4
August 2015
1307 pages
ISSN:0730-0301
EISSN:1557-7368
DOI:10.1145/2809654
Issue’s Table of Contents
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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Publication History

Published: 27 July 2015
Published in TOG Volume 34, Issue 4

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Author Tags

  1. 2D
  2. animation
  3. boundary-based representation
  4. cell complex
  5. space-time
  6. topology
  7. vector graphics

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