[GRASS-dev] [GRASS GIS] #35: Verify and uncomment Swiss datum parameters

[GRASS GIS]

#35: Verify and uncomment Swiss datum parameters
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 Reporter:  neteler  |       Owner:  grass-dev at lists.osgeo.org
     Type:  defect   |      Status:  new                      
 Priority:  major    |   Milestone:  6.4.0                    
Component:  default  |     Version:  unspecified              
 Keywords:           |  
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 12/23/07 12:17:20 changed by pkelly

 Re: the commented-out 7-parameter transform

 I originally put this in and the source is now at
 http://www.asprs.org/resources/grids/08-2001-swiss.pdf

 As far as I can remember the two reasons I left it commented were:

 1) The parameters given are for CH1903+ which is apparently different from
 CH1903 - I have no idea how much or if the differences are big enough to
 be relevant.

 2) I didn't have any test points to verify the parameters - in particular
 we always need to check the sign of the 3 rotation parameters (the 4th,
 5th and 6th numbers out of the 7) as the American/European conventions are
 different.

 If somebody can verify these two points then we can uncomment the
 parameters.

 Paul

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