Twister: a space-warp operator for the two-handed editing of 3D shapes
ACM SIGGRAPH 2003 Papers
A Painting Interface for Interactive Surface Deformations
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
A painting interface for interactive surface deformations
Graphical Models - Special issue on pacific graphics 2003
Bender: a virtual ribbon for deforming 3D shapes in biomedical and styling applications
Proceedings of the 2005 ACM symposium on Solid and physical modeling
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This report describes a system for interactive manipulation of polygon meshes using virtual sculpting tools and mesh refinement operations. The virtual tools are geometric objects with shapes described by superquadric equations. The user controls a virtual tool to sculpt a free-form polygonal mesh model. The vertices of the mesh respond to the tool in a semi-realistic manner, allowing the user to push, pull, and deform the mesh in a variety of ways. Mesh refinement operations allow the user to control refinement levels and create smooth objects. Interactive shadows and a virtual trackball considerably enhance the intuitive manipulation and sculpting of models. The strength of the system has been demonstrated by sculpting free-form surfaces such as a dog, flower, television set, and dinosaur, all with widely varying levels of detail.