反算控制点的三次均匀B样条闭曲线插值功能模块的设计  

Model Design of Cubic Uniform B Spline Close Curve Based on Interpolation

作　　者：胡志刚 余周 丛晓霞 

机构地区：[1]河南职技师院机电系,新乡453003

出　　处：《河南职业技术师范学院学报》2000年第1期44-46,共3页Journal of Henan Vocation-Technical Teachers College

摘　　要：运用均匀 B样条曲线的正算公式和插值数据点推导出了反算三次均匀 B样条插直曲线的 B特征多边形顶点计算公式 。Using the forward calculating formula of uniform B spline curve and interpolating nodes, its B feature polygon calculating formula is made out which defines the curve. We also show the programming design method of the backword calculating procedure for B feature polygon and the forward one which will generate the equivalent cubic uniform B spline curve.

关 键 词：均匀B样条曲线 CAGD 反算控制点 插值 模块 

分 类 号：TP391.72[自动化与计算机技术—计算机应用技术] O24[自动化与计算机技术—计算机科学与技术]