Interactive techniques for implicit modeling
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Sculpting: an interactive volumetric modeling technique
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
3DM: a three dimensional modeler using a head-mounted display
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
Virtual reality technology
Encyclopedia of graphics file formats
Encyclopedia of graphics file formats
An implicit surface polygonizer
Graphics gems IV
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
Direct haptic rendering of sculptured models
Proceedings of the 1997 symposium on Interactive 3D graphics
Skin: a constructive approach to modeling free-form shapes
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Animation of Deformable Models Using Implicit Surfaces
IEEE Transactions on Visualization and Computer Graphics
Sculpting and Animating in a Desktop VR Environment
CGI '98 Proceedings of the Computer Graphics International 1998
Incremental Techniques for Implicit Surface Modeling
CGI '98 Proceedings of the Computer Graphics International 1998
Virtual Clay Modeling Using the ISU Exoskeleton
VRAIS '98 Proceedings of the Virtual Reality Annual International Symposium
Working in a Virtual World: Interaction Techniques Used in the Chapel Hill Immersive Modeling Program
A pen-based 3D role modeling tool for children
Transactions on edutainment I
Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology
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We present a new free-form interactive modeling technique based on the metaphor of clay work. This paper discusses design issues and an immersive modeling system which enables a user to design intuitively and interactively 3D solid objects with curved surfaces by using one's finger. Shape deformation is expressed by simple formulas without complex calculation because of skeletal implicit surfaces employed to represent smooth free-form surfaces. A polygonization algorithm that generates polygonal representation from implicit surfaces is developed to reduce the time required for rendering curved surfaces, since conventional graphics hardware is optimized for displaying polygons. The prototype system has shown that a user can design 3D solid objects composed of curved surfaces in a short time by deforming objects intuitively using one's finger in real time.