Constructive hypervolume modeling
Graphical Models - Volume modeling
Interactive Global and Local Deformations for Virtual Clay
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
Interactive global and local deformations for virtual clay
Graphical Models - Special issue on pacific graphics 2003
ACM SIGGRAPH 2006 Courses
Technical Section: Interactive free-form level-set surface-editing operators
Computers and Graphics
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Modeling free-form shapes in a 3D space is one of the difficult problems in computer graphics. In a parametric patch, intuitive control of free-form shapes is not easy. Modeling methods based on strict physical laws need considerable computation time to deform objects, which are not suitable for interactive applications. In this paper we focus on a cellular automaton and try to apply it to interactive free-form modeling within a 3D voxel space. Each voxel is allocated a finite state automaton which repeats state transitions according to the conditions of its neighbor voxels. Virtual clay objects defined in such an active voxel space are easily deformed under the constraints of physical conservation laws.