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《Modern Surveying and Mapping》 2010-02
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Analysis of Means to Build Digital Three Dimensional City Models

LI Yong-quan1,HAN Wen-quan2,3,HUANG Zhi-zhou1(1 Nanjing Surveying and Mapping Research Institute CO.LTD.,Nanjing Jiangsu 210005,China;2 Jiangsu Geoman DigiSpatial Technology Co.,Ltd.Nanjing Jiangsu 210019,China;3 School of Geographic and Oceanographic Sciences of Nanjing University,Nanjing Jiangsu 210093,China)  
According to status of building three dimensional city models in China,this paper divide popular methods into three classes.They are simulation,half simulation and survey.It analyses simulation method from GIS point of view.Present technical means,cost and realization are discussed in building city models.Digital photogrammetry,building accord to map and LiDAR were put forward.At last,it bring forward some suggestions in rest of the paper.
【CateGory Index】: P208
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