The NURBS book
The virtual reality modeling language and Java
Communications of the ACM
VRML '00 Proceedings of the fifth symposium on Virtual reality modeling language (Web3D-VRML)
A web architecture for progressive delivery of 3D content
Proceedings of the sixth international conference on 3D Web technology
Coding polygon meshes as compressable ASCII
Proceedings of the seventh international conference on 3D Web technology
Late Night VRML 2.0 with Java
ACM SIGGRAPH 2003 Papers
T-spline simplification and local refinement
ACM SIGGRAPH 2004 Papers
Analytically-Defined Collaborative Shape Modeling in VRML
CW '04 Proceedings of the 2004 International Conference on Cyberworlds
Adaptive T-spline surface fitting to z-map models
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Control point removal algorithm for t-spline surfaces
GMP'06 Proceedings of the 4th international conference on Geometric Modeling and Processing
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T-splines are increasingly popular in design and animation. However, since it is not supported by VRML/X3D, T-spline visualization is not available for the use online. This paper proposes the T-spline VRML node, which allows the end users to utilize T-splines for complex model design and online visualization with relatively small number of control points. Similar with the NURBS based and polygon based VRML nodes, T-spline VRML node can support geometry, color, texture, LOD and animation. The file size required for T-spline VRML node to represent a same complex model can be substantially minimized compared with the ones with NURBS based and polygonal based VRML nodes. Thus, it is feasible for data transmission on internet. A new data structure is proposed to represent T-spline surfaces in VRML for easy editing. The implementation details and the application examples of the proposed node are discussed.