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Journal Articles ACM Transactions on Graphics Year : 2015

Vector Graphics Animation with Time-Varying Topology

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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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Dates and versions

hal-01155246 , version 1 (22-12-2015)

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Boris Dalstein, Rémi Ronfard, Michiel van de Panne. Vector Graphics Animation with Time-Varying Topology. ACM Transactions on Graphics, 2015, Proceedings of ACM SIGGRAPH 2015, 34 (4), Article No. 145, 12 p. ⟨10.1145/2766913⟩. ⟨hal-01155246⟩
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