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《Microcomputer Information》 2010-07
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Application of four-color algorithm in GIS based on MapObjects

FANG Cai-li(College of Computer and Information Engineering,Henan University,Kaifeng Henan 475001,China)  
Coloring of graph is main technology in Geographic Information System.This paper first describes four-color conjecture and Police-GIS design,second introduces how to utilize the spatial query function in MapObjects topological analysis of the map layer needed color,finally realize the four-color algorithm for use in this system.
【CateGory Index】: P208
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