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《Science and Technology of West China》 2013-10
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The Development of Coordinate Conversion Program Based on Multi-reference Ellipsoid

LIU Si-yao;TANG Bin;NI Jian;Geosciences College,Chengdu University of Technology;  
Gauss projection is still wide used inn engineering survey.Its projection method makes the actual work situation often require coordinate transformation and band change.Controlling length distortion and a single value of the coordinates point still need to be solved in calculation process.Based on the Gaussian projection theory and the length of deformation,we developed positive and negative counting procedures and band change procedures in Visual Basic platform.Through the program self-validation and cross-validation with Trip software,the procedure is accuracy,reliable and ensuring coordinate single value which is easy to operate.It has a certain practical application value.
【CateGory Index】: P226.3
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