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Title: GIS线目标间拓扑关系描述的4交差模型
Other Titles: A generic model of line/line topological relations in GIS
Authors: Deng, M
Li, ZL 
Li, Y
Zhang, X
Keywords: Topological relations
Line object
Topological distance
Conceptual neighborhood
Issue Date: 2006
Publisher: 武汉大学期刋社
Source: 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University), Nov. 2006, v. 31, no. 11, p. 945-948, 974 How to cite?
Journal: 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University) 
Abstract: 提出了利用连通度不变量来区分单个线目标上具有不同拓扑特性的点,进一步定义了线目标的端点集和内点集。在此基础上,建立了IR1和IR2中线目标间拓扑关系的基本模型。该模型能有效地表达线目标间拓扑关系的变化特性。
The concept of connective degree is utilized for the identification of topological difference in the geometric structure of a line,its generally topological definition of a line is given.A generic model,called the 4-intersection-and-difference,is set up for the description of basic line-line topological relations,upon which a conceptual neighborhood graph is built with the consideration of topological distance.It concludes that the proposed model in this paper can represent the property of topological changes,and basic relations between line segments in IR~1 and IR~2.
ISSN: 1000-050X
EISSN: 1671-8860
Rights: © 2006 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2006 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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