Sketch and Paint-based Interfacefor Highlight Modeling

Romain Pacanowski 1, 2 Xavier Granier 1 Christophe Schlick 3, 1 Poulin Pierre 2
1 IPARLA - Visualization and manipulation of complex data on wireless mobile devices
Université Sciences et Technologies - Bordeaux 1, Inria Bordeaux - Sud-Ouest, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : In computer graphics, highlights capture much of the appearance of light reflection off a surface. They are generally limited to pre-defined models (e.g., Phong, Blinn) or to measured data. In this paper, we introduce new tools and a corresponding highlight model to provide computer graphics artists a more expressive approach to design highlights. For each defined light key-direction, the artist simply sketches and paints the main highlight features (shape, intensity, and color) on a plane oriented perpendicularly to the reflected direction. For other light-andview configurations, our system smoothly blends the different user-defined highlights. Based on GPU abilities, our solution allows real-time editing and feedback. We illustrate our approach with a wide range of highlights, with complex shapes and varying colors. This solution also demonstrates the simplicity of introduced tools
Keywords : BRDF Sketch Interface
Type de document :
Communication dans un congrès
Fifth Eurographics conference on Sketch-Based Interfaces and Modeling, Jun 2008, Annecy, France. 〈10.2312/SBM/SBM08/017-023〉
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Soumis le : lundi 5 mai 2008 - 14:21:39
Dernière modification le : jeudi 11 octobre 2018 - 17:30:02
Document(s) archivé(s) le : vendredi 28 mai 2010 - 18:23:01




Romain Pacanowski, Xavier Granier, Christophe Schlick, Poulin Pierre. Sketch and Paint-based Interfacefor Highlight Modeling. Fifth Eurographics conference on Sketch-Based Interfaces and Modeling, Jun 2008, Annecy, France. 〈10.2312/SBM/SBM08/017-023〉. 〈inria-00277102〉



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