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中国科学院大学学报 ›› 2012, Vol. ›› Issue (3): 289-293.DOI: 10.7523/j.issn.2095-6134.2012.3.001

• 数学与物理学 •    下一篇

基于μ基有理可展曲面的参数化

陈晓华, 陈玉福, 申立勇   

  1. 中国科学院研究生院数学科学学院, 北京 100049
  • 收稿日期:2011-01-14 修回日期:2011-04-13 发布日期:2012-05-15
  • 通讯作者: 陈晓华
  • 基金资助:
    Supported by National Natural Science Fund of China(10901163),and the President Fund of GUCAS

Parametrization of a rational developable surface using the μ-basis

CHEN Xiao-Hua, CHEN Yu-Fu, SHEN Li-Yong   

  1. School of Mathematical Sciences, Graduate University, Chinese Academy of Sciences, Beijing 100049, China
  • Received:2011-01-14 Revised:2011-04-13 Published:2012-05-15
  • Supported by:
    Supported by National Natural Science Fund of China(10901163),and the President Fund of GUCAS

摘要: 针对工程设计中常用的可展曲面,给出其有理参数化算法. 给定一个隐式曲面,首先根据几何性质判定它是否是可展曲面,并给出判定算法;然后应用近年来新兴发展的隐式化代数工具——μ基方法,得到可展曲面的μ基的次数界. 在此基础上,设计计算隐式曲面μ基的算法,并通过计算其对偶曲面的重新参数化,得到原隐式曲面的参数表示. 结合已有的参数曲面隐式化算法,给出了有理可展曲面的代数交换算法图.

关键词: 参数化, μ基, 零点分解

Abstract: Finding parametrization of a given curve or surface is an essential problem in CAGD and CG. It is still open to design an algorithm for a general given curve or surface. In this paper, we focus on rational developable surfaces which are widely used in manufacturing.

Key words: parametrization, μ-basis, zero decomposition

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