António Rocha wrote:
Hi all
I have Location/Mapset with this characteristics:
g.region
-p
projection: 3 (Latitude-Longitude)
zone: 0
datum: wgs84
ellipsoid: wgs84
I'm I'm trying to import a file with the following geographic
characteristics (using gdalinfo):
Driver: GTiff/GeoTIFF
Files: euro_area_latlong.tif
Size is 1721, 595
Coordinate System is:
GEOGCS["WGS 84",
DATUM["unknown",
SPHEROID["unnamed",6378137,298.2572235629972]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433]]
When I do r.in.gdal, to import this file, I get the following Warning:
Datum <unknown> not recognised by GRASS and no parameters found
Projection of input dataset and current location appear to match
It imports but it wasn't suppose to get this error since i'm using the
same coordinate/projection system.
No, because datum unkown does not match datum wgs84 and speroid
(ellipsoid) unnamed does not match ellipsoid wgs84 although
SPHEROID["unnamed",6378137,298.2572235629972]] describes ellipsoid
wgs84. If you can confirm that the datum of the raster to be imported is
indeed wgs84, everything should be all right, otherwise set up a new
location with the CRS of the raster to be imported.
Markus M
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