| 平面NURBS曲线的导矢及其等距线 |
| |
| 引用本文： | 康宝生,杨宏娃,吕科.平面NURBS曲线的导矢及其等距线[J].计算机应用与软件,2001,18(11):60-63. |
| |
| 作者姓名： | 康宝生 杨宏娃 吕科 |
| |
| 作者单位： | 1. 西北大学数学系,
2. 宁夏大学计算机系, |
| |
| 基金项目： | 陕西省教委重点科研基金(编号:95JZK06) |
| |
| 摘 要： | 本文首先给出了计算NURBS曲线导矢的递推公式，在此基础上，给出了生成平面NURBS曲线等距线的算法。
|
| 关 键 词： | 递推公式 等距线 平面NURBS曲线 几何造型 CAD CAM |
DERIVATIVES OF NURBS CURVES AND THEIR OFFSET CURVES |
| |
| Kang Baosheng Yang Hongwa.DERIVATIVES OF NURBS CURVES AND THEIR OFFSET CURVES[J].Computer Applications and Software,2001,18(11):60-63. |
| |
| Authors: | Kang Baosheng Yang Hongwa |
| |
| Abstract: | This paper derives a recursive formula which expresses the derivatives of a NURBS curve in terms of its control points and weights. Based on the derivatives of NURBS curves, a stable algorithm generating offset curve of planar NURBS curves is presented. |
| |
| Keywords: | NURBS Recursive formula Offset curve |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
