MicroSculpt : Une approche en espace image pour la manipulation de matériaux anisotropes

Boris Raymond 1, 2, 3 Pascal Barla 1, 2, 3 Gael Guennebaud 1, 2, 3
3 MANAO - Melting the frontiers between Light, Shape and Matter
LaBRI - Laboratoire Bordelais de Recherche en Informatique, Inria Bordeaux - Sud-Ouest, LP2N - Laboratoire Photonique, Numérique et Nanosciences
Abstract : The appearance of an object mainly depends on its material characteristics. While many previous methods have focused on the interactive edition of materials, few of them have worried about specifically controlling anisotropy. This paper presents a geometrical study of the relationships between the characteristics of anisotropic materials and the resulting observed reflections. Relying on this study, we propose an interactive edition system which allows users to control directly the shape of reflections, in reality modifying the direction field used for locally orienting material anisotropy. With this approach, reflections are simply drawn with tools such as brushes and erasers, while providing coherent shading behaviors for novel lighting or viewing directions.
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Submitted on : Tuesday, December 18, 2012 - 3:11:22 PM
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Boris Raymond, Pascal Barla, Gael Guennebaud. MicroSculpt : Une approche en espace image pour la manipulation de matériaux anisotropes. Journées de l'Association Française d'Informatique Graphique (AFIG), Université du Littoral Côte d'Opale et LISIC, Nov 2012, Calais, France. pp.113-118. ⟨hal-00766602⟩

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