[GRASS-user] Warning message while using r.in.gdal

[António Rocha]

Hi Markus
Here goes the gdalinfo euro_latlon.tif output:
Driver: GTiff/GeoTIFF
Files: Desktop/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]]
Origin = (-36.828910669041655,74.067423529421049)
Pixel Size = (0.066529120923939,-0.066529120923939)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  ( -36.8289107,  74.0674235) ( 36d49'44.08"W, 74d 4'2.72"N)
Lower Left  ( -36.8289107,  34.4825966) ( 36d49'44.08"W, 34d28'57.35"N)
Upper Right (  77.6677064,  74.0674235) ( 77d40'3.74"E, 74d 4'2.72"N)
Lower Right (  77.6677064,  34.4825966) ( 77d40'3.74"E, 34d28'57.35"N)
Center      (  20.4193979,  54.2750101) ( 20d25'9.83"E, 54d16'30.04"N)
Band 1 Block=1721x2 Type=Int16, ColorInterp=Gray

Hope this helps


Markus Neteler wrote:
> 2010/2/25 António Rocha <antonio.rocha at deimos.com.pt>:
>   
>> 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
>>     
>
> please post the output of
>
> gdalinfo euro_area_latlong.tif
>
>
>   
>> It imports but it wasn't suppose to get this error since i'm using the same
>> coordinate/projection system. How can I avoid this? Should I add more
>> information to destination_projection when I warped that file?
>>     
>
> Either the metadata in euro_area_latlong.tif are read correctly by GDAL or
> a definition is missing or the metadata are incorrect in the file. From the
> gdalinfo output we may understand more...
>
> Markus
>
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