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《Editorial Board of Geomatics and Information Science of Wuhan University》 2005-10
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Polygon Medial Axis Problem and the Algorithm

HU Peng~1,2 WANG Haijun~1 SHAO Chunli~1 HU Hai~3 (1 School of Resource and Environment Science, Wuhan University,129 Luoyu Road,Wuhan 430079,China)(2 Key Laboratory of Geographic Information System, Ministry of Education, Wuhan University, 129 Luoyu Road, Wuhan 430079, China)(3 Research Center of GPS,Wuhan University,129 Luoyu Road,Wuhan 430079,China)  
This paper discusses the polygon medial axis definition of GIS and calculation geometry,and their main distinguishing feature, pointes out that the polygon medial axis should be the locu of the equal-distance points to two or more edges of the polygon;analyzes the relevant different algorithm and cases in practice, and proposes the geometry means in theory relatively rigid and widely meeting the requirements in practice-dotted pair rank method and the map algebra polygon medial axis method, utilizes them to offer several polygon medial axis calculation examples.
【Fund】: 国家自然科学基金资助项目(40471107);; 国家863计划资助项目(2002AA616080)
【CateGory Index】: P208;
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