[GRASSLIST:6153] Re: DEM imports to Grass

[Glynn Clements]

John Doucette wrote:

> I am unsure how to import DEM's into Grass.

It depends upon the format.

> I have been trying to use DEM's from Data Depot for US topomap areas.  I am
> trying to use r.in.gdal which (in man pages) says it can import USGS ascii
> DEM's or SDTS format. When I try either of these it get an "Unrecognized
> format" error.  What the heck?
> 
> I know that I have somehow gotten a DEM into Grass in the past but don't
> remember how.
> 
> Can anyone give me a clue?

As well as the formats which GDAL supports, raw binary DEMs (e.g.
GTOPO30) can be imported with r.in.bin.

If you have no idea regarding the format, posting more details (e.g. 
file names or the URL) might result in someone recognising it.

-- 
Glynn Clements <glynn.clements at virgin.net>