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

• Orginal Article • Previous Articles     Next Articles

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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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

CLC Number: 

  • TP391.7
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