摘要
在柱坐标下给出空间圆柱螺线的NURBS逼近 ,用反求控制顶点法确定逼近螺线控制顶点的定位 .
In this paper,we gave the representation of a helix with NURBS curves in cylindrical coordinates. Meanwhile a reversal problem is obtained,which determines the positions of the control vertexes with the approximating curves.
出处
《南京师大学报(自然科学版)》
CAS
CSCD
2001年第1期33-36,共4页
Journal of Nanjing Normal University(Natural Science Edition)