吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (4): 1273-1279.doi: 10.13229/j.cnki.jdxbgxb201704037

• 论文 • 上一篇    下一篇

几何约束求解的扩展C-树分解法

李文辉1, 孙明玉1, 曹春红2   

  1. 1.吉林大学 计算机科学与技术学院,长春30012;
    2.东北大学 计算机科学与工程学院,沈阳110819
  • 收稿日期:2016-05-15 出版日期:2017-07-20 发布日期:2017-07-20
  • 通讯作者: 孙明玉(1978-),男,讲师,博士.研究方向:计算机辅助设计,计算机图形学.E-mail:sunmingyu370@sohu.com
  • 作者简介:李文辉(1961-)男,教授,博士生导师.研究方向:计算机辅助设计,计算机图形学.E-mail:liwh@jlu.edu.cn
  • 基金资助:
    国家自然科学基金项目(61300096); 吉林省科技厅发展计划项目(20140101181JC).

Extension C-tree decomposition method for geometric constraint solving

LI Wen-hui1, SUN Ming-yu1, CAO Chun-hong2   

  1. 1.College of Computer Science and Technology, Jilin University,Changchun 130012, China;
    2.College of Computer Science and Engineering, Northeastern University, Shenyang 110819, China
  • Received:2016-05-15 Online:2017-07-20 Published:2017-07-20

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摘要： 为了有效分解几何约束系统,本文提出了一种基于增量LMA(ILMA)算法的扩展C-树分解法,该方法将几何约束系统分解为一棵扩展C-树。与C-树分解法相比,该方法能够保证以任意装配几何约束的方式构造的扩展C-树是几何约束系统的最大化分解。实例分解结果表明:将本文方法应用于几何约束求解是行之有效的。

关键词: 计算机应用, 几何约束求解, 扩展C-树, 增量LMA算法, 广义构造序列

Abstract: A decomposition method of the extended C-Tree based on the increment LMA (ILMA) algorithm was proposed. The method decomposes a geometric constraint system into an extended C-Tree. In comparison with the C-Tree decomposition method, the proposed method can ensure that an extended C-Tree is inevitably the maximum decomposition of the geometric constraint system when constructing it in any way of assembling geometric constraints. Research results show that the proposed method is effective when it is applied to GCS.

Key words: computer application, geometric constraint solving(GCS), extended C-Tree, incremental LMA algorithm, generalize construction sequence

中图分类号: 

  • TP391.7
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