#3750: Grass 7.7.svn (r74061): CLI location creation: cannot read .prj file for new location -----------------------+--------------------------------------- Reporter: rshepard | Owner: grass-dev@… Type: defect | Status: new Priority: normal | Milestone: Component: wxGUI | Version: svn-trunk Resolution: | Keywords: locaton wizard, .prj file CPU: x86-32 | Platform: Linux -----------------------+---------------------------------------
Comment (by mmetz): Replying to [comment:4 mmetz]: > Replying to [comment:2 neteler]: > > > > > > {{{ > > # write out user's WKT string as .prj file > > echo 'PROJCS["NAD_1983_UTM_Zone_11N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-117],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["Meter",1]]' > bla.prj > > > > # attempt to generate a new location from it: > > grass77 -c bla.prj ~/grassdata/mylocation > > Starting GRASS GIS... > > Creating new GRASS GIS location <mylocation>... > > ERROR: ERROR 4: `bla.prj' not recognized as a supported file format. > > ERROR: Unable to read georeferenced file <bla.prj> using GDAL library > > }}} > > > > > > I checked further and found a difference between g.proj and > > gdalsrsinfo opening files: > > > > general/g.proj/input.c, line 271 : > > (inofficially: https://github.com/GRASS-GIS/grass- ci/blob/master/general/g.proj/input.c#L271) > > > > {{{ > > if ((gdal_ds = GDALOpen(geofile, GA_ReadOnly))) { > > }}} > > > > apps/gdalsrsinfo.cpp, line 306 > > https://github.com/OSGeo/gdal/blob/master/gdal/apps/gdalsrsinfo.cpp#L306 > > > > {{{ > > poGDALDS = static_cast<GDALDataset *>(GDALOpenEx( pszInput, 0, > > nullptr, nullptr, nullptr )); > > }}} > > > > > > It seems that GDALOpenEx() is more flexible concerning the input (it > > exists since GDAL 2.0): > > No, the trick is here: > https://github.com/OSGeo/gdal/blob/a0e1932541cb4edc6d2e254d7af6f64cd0dc0806/gdal/apps/gdalsrsinfo.cpp#L334 > > If `GDALOpenEx()` fails, it checks if it is a *.prj file Please try trunk r74072 -- Ticket URL: <https://trac.osgeo.org/grass/ticket/3750#comment:5> GRASS GIS <https://grass.osgeo.org>
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