[GRASS-user] USGS SDDS DEM to Grass HOWTO??
hajhouse at houseag.com
Wed May 9 19:46:46 EDT 2007
På 2007-05-09, skrev David Adam:
> I'm missing some secrets for downloading DEM data from the USGS SDDS
> (Seamless Data Distribution System) into GRASS.
> I'm using GRASS-6.2.1 as a downloaded binary for Fedora Core 6. I would
> like to download DEM data for various areas and import the data into
> GRASS, with each area going into a separate location.
> I've tried various formats for downloading the data (ArcGrid, geotiff,
> BIL). I get everything in a single zip file, put it in its own
> directory, and unzip it, which produces a set of files including both
> data and metadata. I can set up a location using the "Define new
> location using georeferenced file" option, and the new location exists
> when I restart GRASS, but I have been unable to get the actual data to
> import, either through the gui or directly with a call to r.in.gdal
> (which brings up the gui anyway). I have tried specifying each of the
> files in the data as the file to import, but none of them seems to work.
> Is there a HOWTO available for this process? If not, can anyone point
> me in the proper direction? Any help will be much appreciated...
I have sucessfully imported 1/3" NED DEMS from Seamless into GRASS. I
just added some advice on this the GRASS wiki. Why don't you record your
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