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《Science of Surveying and Mapping》 2005-04
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An efficient algorithm for converting TIN to grid DEM

WU Fei,WU Fan(School of Resource and Environmental Science,Wuhan University,430079)  
Interpolating the TIN to GRID can provide precision DEM data.In the process how to lookup the needed triangle efficiently is a key problem.This paper provides an efficient algorithm for converting TIN to GRID base on spatial index,which can accelerate the interpolation.And the experiment illustrates that it is efficient.
【Fund】: 国家基础测绘科技计划资助项目(1469990324231)
【CateGory Index】: P208
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