2013, Volume 15, Issue 5
Strategic Study of CAE >> 2013, Volume 15, Issue 5
Directional relation description and calculation based on Voronoi region in GIS
Chinese Academy of Surveying and Mapping，Beijing 100830，China
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Abstract
Directional relation is very important in GIS,but because of depending on the size of objects,it is difficult to make a formal description and determination. In this paper on the basis of CDR,a solution using Voronoi Region of MBR is suggested,and the wonderful results have been acquired.
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References
[ 1 ] Peuquet D J, Xiang Z C. An algorithm to determine the directional relationship between arbitraril- shaped polygons in the plane [J].Pattern Recognition，1987(20)：65-74. link1
[ 2 ] Aurenhammer F. Voronoi diagrams：A survey of a fundamental geometric data structure[J]. ACM Computing Surveys，1991，23 （3）：345-405. link1
[ 3 ] 李成名，陈 军. 空间关系描述的9交模型[J]. 武汉测绘科技大 学学报，1997，22（3）：207-211. link1
[ 4 ] Chen J，Li C M. A Voronoi-based 9-intersection model for spatial relations[J]. International Journal of Geographical Information Science，2001，15（3）：201-220. link1
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