DocumentCode
2372928
Title
Representing spheres and ellipsoids using periodic NURBS surfaces with fewer control vertices
Author
Qin, Kaihuai ; Wang, Wenping ; Tang, Zesheng
Author_Institution
Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing, China
fYear
1998
fDate
26-29 Oct 1998
Firstpage
210
Lastpage
211
Abstract
A new kind of NURBS representation for periodic curves is introduced. The method for periodic curves is extended to derive a compact and symmetric representation of the sphere or the ellipsoid using a piecewise bi-quadratic NURBS surface with only eight distinct control vertices
Keywords
CAD; computational geometry; splines (mathematics); surface fitting; NURBS representation; control vertices; distinct control vertices; ellipsoids; nonuniform rational b-splines; periodic NURBS surfaces; periodic curves; piecewise bi-quadratic NURBS surface; spheres; symmetric representation; Computer science; Ellipsoids; Spline; Sufficient conditions; Surface reconstruction; Surface topography; Transmission line matrix methods; Weight control;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer Graphics and Applications, 1998. Pacific Graphics '98. Sixth Pacific Conference on
Print_ISBN
0-8186-8620-0
Type
conf
DOI
10.1109/PCCGA.1998.732121
Filename
732121
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