NURBS curves are convexity preserving, i.e. once the control polygon is convex, the associated NURBS curve will also be convex. In this paper this property is proved geometrically.
基金Supported by the National Natural Science Found of China(10371113)Supported by the 2002 Henan Found of Younger Teacher
文摘NURBS curves are convexity preserving, i.e. once the control polygon is convex, the associated NURBS curve will also be convex. In this paper this property is proved geometrically.