ON PLANE COORDINATE TRANSFORMATION BASED ON BARYCENTRE DATUM
Liu Taosheng 1,2) ;Huang Shengxiang 1) ;,Luo Li 1) ; Zeng Xiangui 2) ; and Li Peihong 2)
1)School of Geodesy and Geomatics,Wuhan University,Wuhan 4300792)Faculty of Architectural and Mapping Engineering of Jiangxi University of Science and Technology,Ganzhou 341000
Abstract The coordinate transformation between different coordinate systems includes four parameters: two translations, one rotation, and one scale paramete.When there is illcondition transformation matrix, the common points’ little errors may cause big fluctuation of parameters’ results. Considering the unity between coordinate transformation model and centre of gravity datum of free net adjustment, the two translation parameters may be elimineted under auxiliary condition. This method is validated with an example.
Key words ：
coordinate transformation
parameter calculation
illconditioned matrix
free net adjustment
centre of gravity datum
Received: 01 January 1900
Cite this article:
Liu Taosheng,Huang Shengxiang ,Luo Li et al. ON PLANE COORDINATE TRANSFORMATION BASED ON BARYCENTRE DATUM[J]. , 2011, 31(2): 102-106.
Liu Taosheng,Huang Shengxiang ,Luo Li et al. ON PLANE COORDINATE TRANSFORMATION BASED ON BARYCENTRE DATUM[J]. jgg, 2011, 31(2): 102-106.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I2/102
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