Vector graphics animation with time-varying topology | Zendy

Boris Dalstein | Zendy; Rémi Ronfard | Zendy; Michiel van de Panne | Zendy

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Vector graphics animation with time-varying topology

Author(s) -

Boris Dalstein,

Rémi Ronfard,

Michiel van de Panne

Publication year - 2015

Publication title -

acm transactions on graphics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.153

H-Index - 218

eISSN - 1557-7368

pISSN - 0730-0301

DOI - 10.1145/2766913

Subject(s) - animation , merge (version control) , computer science , graphics , topology (electrical circuits) , computer graphics (images) , vector graphics , data structure , computer animation , topological data analysis , algorithm , mathematics , information retrieval , programming language , combinatorics

International audienceWe introduce the Vector Animation Complex (VAC), a novel data structure for vector graphics animation, designed to support themodeling of time-continuous topological events. This allows features of a connected drawing to merge, split, appear, or disappear atdesired times via keyframes that introduce the desired topological change. Because the resulting space-time complex directly capturesthe 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 modelingparadigm with experimental results on various examples

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