[QGIS-trac] Re: [Quantum GIS] #1035: automated generation of srs.db (in line with postgis, proj and gdal)

[Quantum GIS]

#1035: automated generation of srs.db (in line with postgis, proj and gdal)
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        Reporter:  rduivenvoorde                    |         Owner:  nobody           
            Type:  enhancement                      |        Status:  new              
        Priority:  minor: annoyance or enhancement  |     Milestone:                   
       Component:  Build/Install                    |       Version:  HEAD             
      Resolution:                                   |      Keywords:  srs.db projection
Platform_version:                                   |      Platform:  All              
        Must_fix:  No                               |   Status_info:  0                
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Comment (by hamish):

 Paul Kelly wrote on the grass-users list:
 > There are actually only a few +datum= codes recognised by
 > PROJ.4 - most of them are specific to GRASS. So it isn't
 > meaningful to include a +datum=xxxx if the PROJ string is
 > destined to be used by something other than GRASS. The OGR
 > functions that GRASS uses to interpret EPSG codes somehow
 > manage to return the full EPSG name for the datum, which is
 > then compared to GRASS's datum.table (the second field in this
 > table holds the full EPSG name). Combined with
 > datumtransform.table that gives GRASS enough information to go
 > on to present the user with a choice of datum transform
 > paramteters. However the full EPSG name isn't included in the
 > PROJ.4 string, and if that is all QGIS is using then maybe
 > that's where its deficiency stems from. It is all very messy
 > and complicated.
 >
 >
 > Paul

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Ticket URL: <http://trac.osgeo.org/qgis/ticket/1035#comment:6>
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