G1端点约束的Bézier曲线曲面的Ribs和Fans

被引:0
|
作者
黄伟贤 [1 ]
王国瑾 [2 ]
机构
[1] 浙江大学数学系计算机图像图形研究所
[2] CAD &
关键词
Bézier曲线; Bézier曲面; 三角Bézier曲面; Ribs和Fans; 端点约束;
D O I
暂无
中图分类号
TP391.72 [];
学科分类号
080201 ; 080203 ; 081304 ; 1403 ;
摘要
为了得到Bézier曲线曲面的更加适用于网络传输的分解和重构算法,研究了带1阶端点(角点)约束的Bézier曲线曲面的Ribs和Fans,并且得到了相应的曲线曲面的光滑部分和细节部分.反过来,给定Bézier曲线的光滑部分和细节部分,给出了重构原曲线的算法.另外,还把Ribs和Fans的概念与算法推广到三角Bézier曲面.1张n次的三角Bézier曲面能够分解为1张n-1次的Rib、1张n-3次的Fan和3条n-4次Bézier曲线(Fans).数值例子表明对曲线曲面的光滑部分和细节部分的分解是更优与更有效的.
引用
收藏
页码:1781 / 1787
页数:7
相关论文
共 6 条
  • [1] Construction of Bézier surface patches with Bézier curves as geodesic boundaries[J] . R.T. Farouki,N. Szafran,L. Biard.Computer-Aided Design . 2009 (11)
  • [2] Approximating tensor product Bézier surfaces with tangent plane continuity[J] . Lizheng Lu.Journal of Computational and Applied Mathematics . 2009 (1)
  • [3] Geometric Properties of Ribs and Fans of a Bézier Curve
    Joo-Haeng Lee
    Hyungjun Park
    [J]. Journal of Computer Science and Technology, 2006, 21 : 279 - 283
  • [4] Ribs and Fans of Bézier Curves and Surfaces[J] . Joo-Haeng Lee,Hyungjun Park.Computer-Aided Design and Applications . 2005 (1-4)
  • [5] Hermite interpolation by piecewise polynomial surfaces with rational offsets
    Jüttler, B
    Sampoli, ML
    [J]. COMPUTER AIDED GEOMETRIC DESIGN, 2000, 17 (04) : 361 - 385
  • [6] Disk Bézier curves[J] . Qun Lin,J.G. Rokne.Computer Aided Geometric Design . 1998 (7)