A Gradient-Based Implicit Blend

Olivier Gourmel 1 Loïc Barthe 1, * Marie-Paule Cani 2, * Brian Wyvill 3 Adrien Bernhardt 2, * Mathias Paulin 1 Herbert Grasberger 3
* Auteur correspondant
1 IRIT - Institut de recherche en informatique de Toulouse
2 IMAGINE - Intuitive Modeling and Animation for Interactive Graphics & Narrative Environments
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
3 Department of Computer Science [Victoria]
Abstract : We introduce a new family of binary composition operators that solves four major problems of constructive implicit modeling: suppressing bulges when two shapes merge, avoiding unwanted blending at a distance, ensuring that the resulting shape keeps the topology of the union, and enabling sharp details to be added without being blown up. The key idea is that field functions should not only be combined based on their values, but also on their gradients.We implement this idea through a family of C1 composition operators evaluated on the GPU for efficiency, and illustrate it by applications to constructive modeling and animation.
keyword : Shape
Type de document :
Article dans une revue
ACM Transactions on Graphics, Association for Computing Machinery, 2013, 32 (2), pp.Article No. 12. 〈10.1145/2451236.2451238〉
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Dernière modification le : jeudi 7 février 2019 - 17:14:49
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Olivier Gourmel, Loïc Barthe, Marie-Paule Cani, Brian Wyvill, Adrien Bernhardt, et al.. A Gradient-Based Implicit Blend. ACM Transactions on Graphics, Association for Computing Machinery, 2013, 32 (2), pp.Article No. 12. 〈10.1145/2451236.2451238〉. 〈hal-00753246〉

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