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Title: Rational bicubic simple quadrilateral mesh surfaces
Authors: Zhao, P.
Chuan Teh, H. 
Keywords: B-splines
Bézier representation
Closed surface modeling
Free-form surfaces design
Rational bicubic patches
Issue Date: Aug-1995
Citation: Zhao, P.,Chuan Teh, H. (1995-08). Rational bicubic simple quadrilateral mesh surfaces. The Visual Computer 11 (8) : 401-418. ScholarBank@NUS Repository.
Abstract: In free-form modeling a closed smooth piecewise surface is highly desirable when the smoothness across the boundaries of patches can be represented within the formulation. Closed, smooth, piecewise bicubic surfaces, defined on simple quadrilateral mesh. (SQM), may be defined as SQM surfaces. We have extended previous work on SQM surfaces and described the surface representation in rational form. The global constraint of the control parameters associated with each control vertex is relaxed. The new local shape-control parameters with their larger range of usability further enhance the power of this free-form surface design scheme. We have also provided more B-spline functions. A complete set of B-spline functions for various topologies of the SQM is now available. Examples demonstrate that editing of shapes for reasonably complex objects can be carried out on an SGI Personal Iris machine at an interactive rate. © 1995 Springer-Verlag.
Source Title: The Visual Computer
ISSN: 01782789
DOI: 10.1007/BF02464331
Appears in Collections:Staff Publications

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