空间实体的拓扑构建

周顺平; 李华; 杜小平

Volume 31 Issue 5

Sep. 2006

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ZHOU Shun-ping, LI Hua, DU Xiao-ping, 2006. Building the Topology of Spatial Entities. Earth Science, 31(5): 590-594.

Citation:

ZHOU Shun-ping, LI Hua, DU Xiao-ping, 2006. Building the Topology of Spatial Entities. Earth Science, 31(5): 590-594.

ZHOU Shun-ping, LI Hua, DU Xiao-ping, 2006. Building the Topology of Spatial Entities. Earth Science, 31(5): 590-594.

Citation:

ZHOU Shun-ping, LI Hua, DU Xiao-ping, 2006. Building the Topology of Spatial Entities. Earth Science, 31(5): 590-594.

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Building the Topology of Spatial Entities

Faculty of Informati on Engineering ,China University of Geosciences ,Wuhan 430074,China

Received Date: 2006-05-30
Publish Date: 2006-09-25

Abstract

Abstract

The topology relationship of spatial entities is the basis of GIS applications in spatial analysis and decision support. The crucial point of topology relationships is the building of topological structure. This paper firstly introduces the point set of topology theory, enumerating all kinds of topology relations which have practical application value. The relationship between a base topology element and spatial entity in the topology model is also analyzed.Then a topology building method is put forward, using feature classes. The algorithms accompany with the spatial entity model of MAPGIS7.0. These algorithms mainly present the idea of feature splitting. These methods are proved effective for building topological relationships of spatial entities in practice.
- logical topological structure,
- topology building,
- split,
- topology element

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References(14)

References

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