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Implicit Modeling with Skeleton Curves: Controlled Blending in Contact Situations

Alexis Angelidis 1 Pauline Jepp 2 Marie-Paule Cani 1, * 
* Corresponding author
1 iMAGIS - Models, Algorithms and Geometry for Computer Generated Image Graphics
GRAVIR - IMAG - Laboratoire d'informatique GRAphique, VIsion et Robotique de Grenoble, Inria Grenoble - Rhône-Alpes
Abstract : Interactive implicit modelling with complex skeletons was recently improved with the introduction of primitives defined at different LODs. These implicit primitives use a subdivision curve as a skeleton. In this paper an extension to this representation is presented, in order to make it suitable for the interactive modelling and animation of soft objects in contact situations. The first contribution improves the display method for subdivision-based implicit primitives; this uses an adaptive polygonisation which locally refines, where necessary, according to the currently selected LOD. The second contribution consists of a new method for preventing unwanted blending when a skeleton-curve folds back onto itself. The third introduces local deformations where surfaces that should not blend come into contact. We illustrate the benefits of this methodology by describing two applications: the interactive modelling of complex organic shapes in contact situations and the physically-based animation of such organic shapes.
keyword : implicit surfaces
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Submitted on : Thursday, November 18, 2010 - 3:48:22 PM
Last modification on : Friday, February 4, 2022 - 3:24:25 AM
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Alexis Angelidis, Pauline Jepp, Marie-Paule Cani. Implicit Modeling with Skeleton Curves: Controlled Blending in Contact Situations. International Conference on Shape Modeling and Applications (SMI'02), ACM, May 2002, Banff, Canada. pp.137-144, ⟨10.1109/SMA.2002.1003538⟩. ⟨inria-00537493⟩



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