#1452: wx location wizard doesn't ask for datum transform options because proj4
4.7.1's epsg file is broken
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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 |
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Comment(by cmbarton):
In fact eur50 is not recognized. Same is true for at least several other
datums. Since they are not recognized, they do now spawn datum transforms.
For example, wgs84 is recognized by g.proj
{{{
GRASS 7.0.svn (newLocation):~ > g.proj -d proj4='+proj=utm +datum=wgs84'
GRASS datum code: wgs84
WKT Name: WGS_1984
Datum transformation parameters (PROJ.4 format):
towgs84=0,0,0,0,0,0,0
}}}
but European Datum 1995 (eur50) is not recognized.
{{{
GRASS 7.0.svn (newLocation):~ > g.proj -d proj4='+proj=utm +datum=eur50'
WARNING: Datum <unknown> not recognised by GRASS and no parameters found
Datum name not present
Datum parameters not present
}}}
All unrecognized datums that I tested are listed in
../etc/proj/datums.table
Could this be a problem more with g.proj than with proj4?
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Ticket URL: <https://trac.osgeo.org/grass/ticket/1452#comment:27>
GRASS GIS <http://grass.osgeo.org>
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