Hi, Does anyone know if Gdal, current version or development version, is able to translate from Geostationnary projection to other regular projection ?
Is it planned in future Gdal release ? Many thanks ! Stéphane 2010/3/2 António Rocha <antonio.ro...@deimos.com.pt> > Hi Stéphane > > According to http://www.gdal.org/gdal_translate.html > > *-a_ullr* /ulx uly lrx lry/: > Assign/override the georeferenced bounds of the output file. This > assigns georeferenced bounds to the output file, ignoring what would > have been derived from the source file. > Yes... Regarding extracting sub-domains, I didn't tried > > Yes, please keep me in touch in case there are better methods > > Antonio > > > Stéphane wrote: > >> Thanks for feedback ! >> >> Do you have any ideas of the meaning of -a_ullr arguments they gave you ? >> >> Futhermore, once you get your GeoTiff file, did you success to translate >> it to other projection, or extracting sub domains ? >> >> I've heard that GEOS projection is not so really supported currently by >> GDAL, and re-projection / sub domain extraction doesn't work correctly ... >> >> I'll keep you in touch if any news ! >> Stéphane >> >> 2010/3/2 António Rocha <antonio.ro...@deimos.com.pt <mailto: >> antonio.ro...@deimos.com.pt>> >> >> >> Greetings >> >> I had exacly the same problem. I have been using LSASAF data (from >> MSG-2nd Generation satellites) that provides LST and FVC in HDF5 >> files. For some technical reason they are not goerreferenced and >> their information. >> >> I talked with a few ILWIS software developers and they gave the >> following Commands (adapted to my spatial coverage images): >> >> gdal_translate -a_srs "+proj=geos +lon_0=0.0 +h=35785831 +x_0=0.0 >> +y_0=0.0" -a_ullr -924124.2 5421728.5 4179561.6 3468466.1 >> "HDF5:"HDF5_LSASAF_MSG_LST_Euro_200802170100"://LST" >> "euro_area_georeferenced.tif" >> >> >> gdalwarp -s_srs "+proj=geos +lon_0=0.0 +h=35785831 +x_0=0.0 >> +y_0=0.0" -t_srs "+proj=latlong" "euro_area_georeferenced.tif" >> "euro_area_latlong.tif" >> >> My HDF5 file doesn't contain any infoprmation regarding GEOS >> projection. So, I had to do this >> >> >> Hope this helps >> >> If you get any news/information/method regarding this, please let >> me know >> >> Best regards >> Antonio >> >> >> __________ Information from ESET NOD32 Antivirus, version of virus >> signature database 4907 (20100302) __________ >> >> The message was checked by ESET NOD32 Antivirus. >> >> http://www.eset.com >> >> >> >> > > > __________ Information from ESET NOD32 Antivirus, version of virus > signature database 4908 (20100302) __________ > > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > >
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