2006 | OriginalPaper | Buchkapitel
Control Point Removal Algorithm for T-Spline Surfaces
verfasst von : Yimin Wang, Jianmin Zheng
Erschienen in: Geometric Modeling and Processing - GMP 2006
Verlag: Springer Berlin Heidelberg
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This paper discusses the problem of removing control points from a T-spline control grid while keeping the surface unchanged. An algorithm is proposed to detect whether a specified control point can be removed or not and to compute the new control points if the point is removable. The algorithm can be viewed as a reverse process of the T-spline local knot insertion algorithm. The extension of the algorithm to remove more control points is also discussed.