Animated Texels

Fabrice Neyret 1
1 SYNTIM - Image Analysis and Synthesis
Inria Paris-Rocquencourt
Abstract : Volumetric textures, introduced by Kajiya in 1989, are used to model complex geometries (such as foliage, fur, ...) on a textural way, by mapping a 'thick skin' made of a repetitive pattern (the texel) covering a simple surface. This article deal with animating volumetric textures. Complex geometry animation is equivalent to the one of the frame of the texel: - on an animated surface (cloth), the texels stay 'normals' to the surface, following its deformations. - on a rigid surface, texels are deformed by using a strength field (wind) ob the vertical edges. - it may be also possible to switch some 'key volumes' along the time, for a cartoon spirit animation (e.g. for small oscillations).
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  • HAL Id : inria-00589117, version 1

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Fabrice Neyret. Animated Texels. Eurographics Workshop Computer Animation and Simulation, Sep 1995, Maastricht, Netherlands. ⟨inria-00589117⟩

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