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《Acta Geodaetica et Cartographica Sinica》 2010-06
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Disposal of Spatial Conflict between Roads and Buildings Based on the Multilevel Displacement Principles

WU Xiaofang1,DU Qingyun2,XU Zhiyong3 1.College of Information,South China Agricultural University,Guangzhou 510642,China;2.Key Laboratory of GIS,Ministry of Education,Wuhan University,Wuhan 430079,China;3.Bureau of Urban Utilities and Landscaping of Guangzhou Municipality,Guangzhou 510060,China  
By analyzing the advantages of traditional algorithm of disposing the spatial conflict between roads and buildings,one new method is brought forward,which refers to simulating the method of manual displacement and keeping the general spatial layout of the buildings well.Firstly,the multilevel spatial disposal principles between the roads and buildings of different regions are put forward in terms of the difference of region density.The multile-vel spatial disposal principles refer to three levels: one is to keep the origin distance scale,spatial relation and spatial layout in the sparse region,the other is to keep the minimal distance and spatial orientation relation in the dense region,the third is to only keep the minimal distance in the high-dense region.Then,the displacement layers of buildings are built according to the neighbor degree between buildings and roads.And the displacement operation will be executed respectively according as fore-and-aft displacement layer order.When disposing the conflict and displacing the buildings,the multilevel spatial disposal principles spread through the calculation and aggregation of external forces and the design of displacement algorithm on the buildings.The spatial conflicts between the road and building,and the conflicts between the buildings,are disposed especially.
【Fund】: 广东省自然科学基金(8451064201000951);; 数字制图与国土信息应用工程国家测绘局重点实验室开放研究基金(GCwd200805);; 华南农业大学新学科扶持基金
【CateGory Index】: P283
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