[GRASS-dev] [GRASS GIS] #1452: wx location wizard doesn't ask for datum transform options because proj4 4.7.1's epsg file is broken

[GRASS GIS]

#1452: wx location wizard doesn't ask for datum transform options because proj4
4.7.1's epsg file is broken
-------------------------------------+--------------------------------------
 Reporter:  hamish                   |       Owner:  grass-dev@…              
     Type:  defect                   |      Status:  new                      
 Priority:  critical                 |   Milestone:  6.4.3                    
Component:  Projections/Datums       |     Version:  svn-releasebranch64      
 Keywords:  location wizard, g.proj  |    Platform:  All                      
      Cpu:  All                      |  
-------------------------------------+--------------------------------------

Comment(by neteler):

 Ticket #1748 contains a patch for g.proj with various backports of fixes
 by Paul Kelly
 which lead to these results:

 {{{
 GRASS 6.4.3svn (nc_spm_08):~ > g.proj proj4='+proj=longlat +datum=nzgd49'
 datumtrans=-1 -d
 GRASS datum code: nzgd49
 WKT Name: New_Zealand_Geodetic_Datum_1949
 Datum transformation parameters (PROJ.4 format):
         towgs84=59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993

 GRASS 6.4.3svn (nc_spm_08):~ > g.proj epsg=27200 datumtrans=-1 -d
 GRASS datum code: nzgd49
 WKT Name: New_Zealand_Geodetic_Datum_1949
 Datum transformation parameters (PROJ.4 format):
         towgs84=59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993

 GRASS 6.4.3svn (nc_spm_08):~ > g.proj -d proj4='+proj=utm +datum=eur50'
 datum=eur50
 WARNING: Datum <unknown> not recognised by GRASS and no parameters found
 Datum set to <eur50>
 Ellipsoid set to <international>
 GRASS datum code: eur50
 WKT Name: European_Datum_1950
 Datum parameters not present; default for eur50 is:
         towgs84=-87.000,-98.000,-121.000
 }}}

-- 
Ticket URL: <http://trac.osgeo.org/grass/ticket/1452#comment:29>
GRASS GIS <http://grass.osgeo.org>