On Mon, Oct 9, 2017 at 4:47 PM, Nikos Alexandris <[email protected]> wrote: > > Hakim Benoudjit: > >> Hi, >> >> I'm unable to open the Coring Land cover map (100m accuracy version) for >> Europe using GrassGIS, which can be downloaded from >> http://land.copernicus.eu/pan-european/corine-land-cover/clc-2012. >> Apparentely the coordinate system of this land cover map isn't supported >> (The projection is ETRS89 (EPSG:3035)), while the projection of the >> location I'm trying to import the raster to is WGS84 (EPSG:4326). Here is >> the error shown in GrassGIS: *ERROR: Coordinate reference system not >> available for input <C:\Data\Corine Land >> Cover\g100_clc12_V18_5a\g100_clc12_V18_5.tif>*
As the error says, there is no coordinate reference system defined with the input. The coordinate reference system is only defined in non-standard metadata which are not readable for GDAL. Therefore you need to specify the CRS (EPSG:3035) manually, no matter what tool you are going to use (GRASS GIS/GDAL/QGIS). >> >> Is there a workaround in GrassGIS to open this image? >> Otherwise which tool should I use to reproject it? > > > Dear Hakim, you can > > 1) create an ETRS89-based Location and then import the map in this > Location. You will need the -o flag to override projection check. > If it is required to land in WGS84, there is r.proj that will > transform the raster map from one Location (say the "new" one based on > EPSG 3035) to the other (say the WGS84). > > 2) transform the map to wgs84 (use, for example GDAL tools -- perhaps > from inside QGIS) That will only work if you manually assign a CRS to the input, e.g. with gdalwarp -s_srs EPSG3035 HTH, Markus M > > > It all depends what the further processing steps are. Better to avoid > transformations if precision is of interest. > > If only quick viewing is of concern, consider using QGIS. > > > Some links to our Wiki: > > https://grasswiki.osgeo.org/wiki/GRASS_Location_Wizard > https://grasswiki.osgeo.org/wiki/Map_Reprojection > > > Nikos > > > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user
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