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《JOURNAL OF ENGINEERING GRAPHICS》 1996-02
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SHAPE PRESERVING RATIONAL CUBIC B-SPLINE CURVES WITH GIVEN TANGENT POLYGONS

Fang Kui; Zhao Jun(National University of Defense Technology)Tan Jianrong(State Key Lab. of CAD&CG, Zhejiang University)  
A closed shape preserving rational cubic B-spline curve with given tangent polygon is presented and part of its weight factors can be given by choosing the positions of the contact points. A shape preserving rational cubic B-spline interpolation curve is derived. Two examples are given.
【CateGory Index】: O174.41
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