Adaptive subdivision algorithms for a set of Bezier triangles
Computer-Aided Design
Real-time rendering of trimmed surfaces
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
Interactive display of large-scale NURBS models
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
The NURBS book
Dynamic view-dependent simplification for polygonal models
Proceedings of the 7th conference on Visualization '96
Accelerated walkthrough of large spline models
Proceedings of the 1997 symposium on Interactive 3D graphics
View-dependent refinement of progressive meshes
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
A method for progressive and selective transmission of multi-resolution models
Proceedings of the ACM symposium on Virtual reality software and technology
Curves and Surfaces for Computer-Aided Geometric Design: A Practical Code
Curves and Surfaces for Computer-Aided Geometric Design: A Practical Code
Virtual 3D Sculpturing with a Parametric Hand Surface
CGI '98 Proceedings of the Computer Graphics International 1998
Adaptive Multi-Resolution Modeling Technique Based on Viewing and Animation Parameters
VRAIS '97 Proceedings of the 1997 Virtual Reality Annual International Symposium (VRAIS '97)
An Adaptive Subdivision Method With Crack Prevention for Rendering
An Adaptive Subdivision Method With Crack Prevention for Rendering
Incremental rendering of deformable trimmed NURBS surfaces
Proceedings of the ACM symposium on Virtual reality software and technology
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Nonuniform rational B-splines (NURBS) are a powerful tool to model deformable objects. Their shapes can be easily modified by moving the control points. A common method used to render these objects is polygonization. However, the polygonization process is computationally very expensive. If the object deforms, we need to execute this process in every frame to reflect the geometric change of the object. This limitation makes real-time rendering of deforming objects very difficult. In this paper, we present an incremental method for polygonizing deforming objects modeled by NURBS surfaces. Some incremental techniques are introduced here to further improve the performance of the method. They include an efficient mechanism for determining the deformation region when the surface deforms, an incremental crack prevention technique, and an updating method for multiple control point movement.