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The Establishment of Topological Data Structure and Its Applications

Wang Weian;Wang Yushu(Tongji University, Shanghai, 200092)  
Topological data structure of graphic data is most wide adopted in recent GIS system, which prompt GIS technology to be extended and spread in various field, The paper focuses on the principle and necessary process on establishment of topological structure as well as its application based upon the experience of its implementation with computer programming.
【CateGory Index】: P208
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