Johannes Radinger wrote: > Hi,
Hi Johnanes! > I'd like to use the conditioned DEM from HydroSheds (15sec resolution) > in GRASS to extract rivers etc. using r.watershed. On the HydroSheds- > Website (http://hydrosheds.cr.usgs.gov/dataavail.php) there are two possible > file formats: bil and esri grid. > > The esri grid folder for Europe (eu_dem_15s) contains several files all > with .adf ending and metadata (htm, xml). > The bil folder contains the eu_dem_15s.bil and a *.hdr and *.prj and some > more. > > Which format is prefered for importing into GRASS? I guess its the .bil as > there is only > one bil-file with the different addtional info (header, projection etc.). > Which format type > is the .bil in r.in.gdal? I guess (BIL is simply, well as we all know, "Binary Data Interleaved per Line", and) what matters is to have beforehand a Header file (the .hdr). It might be ESRI's "EHdr -- ESRI .hdr Labelled" type of file or ENVI's "ENVI - ENVI .hdr Labelled Raster". # check... gdalinfo --formats | grep .hdr ENVI (rw+v): ENVI .hdr Labelled EHdr (rw+v): ESRI .hdr Labelled .. Also, what does "gdalinfo" on the "*.hdr" files of yours say about? Importing should be straightforward using "r.in.gdal". ...ok, looking closely: I've downloaded one of the files: <http://earlywarning.usgs.gov/hydrodata/sa_15s_zip_bil/ca_dem_15s_bil.zip>. #unzip, checking gdalinfo ca_dem_15s.bil -nogcp -nomd -nofl Driver: EHdr/ESRI .hdr Labelled Files: ca_dem_15s.bil Size is 14160, 6000 Coordinate System is: [...] I think it should be easy to import. Best, Nikos > /Johannes [0] <http://www.gdal.org/frmt_various.html> _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
