Wow - thanks a lot. This was exactly what I was searching for. Wolfgang
> -----Ursprüngliche Nachricht----- > Von: [email protected] [mailto:qgis-user- > [email protected]] Im Auftrag von Andre Joost > Gesendet: Montag, 11. August 2014 18:22 > An: [email protected] > Betreff: Re: [Qgis-user] Import and reference HDF4 data > > Am 11.08.2014 15:27, schrieb SCHULZ Wolfgang: > > Hello, I want to import the following data (hdf format) into QGIS: > > http://ghrc.nsstc.nasa.gov/hydro/search.pl?method=quick&keyword=HRFC&c > > ontext=Any+field > > > > Any idea how to georeference it? I can import it. The interesting > > layer of the hdf4 file is the first layer. The layer should contain > > data -180 to +180 longitude and -90 to +90 latitude in 0.5 degree > > resolution. How can I tell to QGIS the limits of the data layer for a > > hdf4 file? > > > > > If you query the subdatasets of the HDF file with gdalinfo > LISOTD_HRFC_V2.3.2013.hdf gdalinfo > HDF4_SDS:UNKOWN:"LISOTD_HRFC_V2.3.2013.hdf":0 > gdalinfo HDF4_SDS:UNKOWN:"LISOTD_HRFC_V2.3.2013.hdf":1 > gdalinfo HDF4_SDS:UNKOWN:"LISOTD_HRFC_V2.3.2013.hdf":2 > > you learn that SDS 1 contains the longitudes from -180 to +180, and SDS > 2 the latitudes from -90 to +90. Unfortunately, the GDAL driver is not able to > use these coordinate infos. > > I got around it by extracting the SDS 0 and applying the corner coordinates > with > GDAL: > > gdal_translate -a_srs EPSG:4326 -a_ullr -180 -90 180 90 -of "Gtiff" > HDF4_SDS:UNKOWN:"LISOTD_HRFC_V2.3.2013.hdf":0 test.tif > > HTH, > André Joost > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
