FIFTH INTERNATIONAL CONFERENCE ON INFORMATION VISUALISATION, PROCEEDINGS
|
2001年
关键词:
D O I:
10.1109/IV.2001.942040
中图分类号:
TP31 [计算机软件];
学科分类号:
081202 ;
0835 ;
摘要:
Shape control methods of cubic B-spline and NURBS curves by, the modification of their knot values, and simultaneous modification of weights and knots are presented, Theoretical aspects of knot modification concerning the paths of points of a curve and the existence of an envelope for the family of curves resulted by a knot modification are also discussed for curves of degree k.