Volume 7 Number 3 (Mar. 2012)
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JSW 2012 Vol.7(3): 705-711 ISSN: 1796-217X
doi: 10.4304/jsw.7.3.705-711

A New Mechanism of Naming Topological Entities for Semantic Feature Operations

Xue-Yao Gao1, Chun-Xiang Zhang2, Ming-Yuan Ren3, Shang-Min Gao4,Yong Liu5
1School of Computer Science and Technology, Harbin University of Science and Technology, Harbin, China
2School of Software, Harbin University of Science and Technology, Harbin, China
3School of Software, Harbin University of Science and Technology, Harbin, China
3School of Computer Science and Technology, Harbin University of Science and Technology, Harbin, China
3School of Computer Science and Technology, Heilongjiang University, Harbin, China

Abstract—Naming topological entities and the validity maintenance of model are two important issues in Computer Aided Design, which can make a semantic feature model conform to all constraints correctly. In this paper, a new mechanism of naming topological entities based on face features is proposed. Based on the corresponding mechanisms for naming topological entities, the methods of coding entities, sub-entities and virtual entities are given. The mechanisms for maintaining the validity of semantic feature operations are described. Sub-edges, sub-faces, virtual faces and virtual sub-edges are applied to process the problem of face obliteration. Sub-edges and virtual edges are used to process the problem of edge obliteration. After the mechanisms for naming topological entities and the methods of validity maintenance are applied to HUSTCAID system, its modeling performance is improved and the feasibility of the proposed mechanisms and methods above is also proved.

Index Terms—topological entities, validity maintenance, semantic feature model, virtual entities, face obliteration, edge obliteration

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Cite: Xue-Yao Gao,Chun-Xiang Zhang,Ming-Yuan Ren,Shang-Min Gao,Yong Liu, "A New Mechanism of Naming Topological Entities for Semantic Feature Operations," Journal of Software vol. 7, no. 3, pp. 705-711, 2012.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly (2006-2019); Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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