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《Science of Surveying and Mapping》 2009-01
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The research of spatial topology rules managing mechanism based on MapGIS7.0

PAN Chan-ling①,ZHOU Shun-ping②,YANG Lin②,CHEN Rong-chao③(①Guangxi Institue of Areo-photogrammetry and Remote Sensing,Nanning 530022,China;②Faculty of Information Engineering,China University of Geosciences,Wuhan 430074,China;③Wuhan Engineering University,Wuhan 430000,China)  
Spatial topology rules is the primary method which GIS software insures the consistency and validity of spatial topology relation.The realization of the method lies on the data model of GIS software.This paper brings forward a compliant managing mechanism for spatial data topology rules aimed at the "feature-geometry-spatial" three-layered data manage mode of MapGIS7.0 entity-oriented spatial data model.It designs detailed unitary and duality topology rules aimed at point line region feature class.It also introduces the process and method of using topology rules to check spatial relation by examples,and applies the mechanism to GIS software MapGIS7.0.The method is proved to be an ideal way to manage topology rules in GIS software with highly efficiency.
【Fund】: 国家863项目:“面向网络海量空间信息的大型GIS”(编号:2003AA133010)
【CateGory Index】: P208
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