[GRASS-user] Re: extracting features from DEM: how big DEM?

Milton Cezar Ribeiro miltinho.astronauta at gmail.com
Wed Jul 22 23:42:41 EDT 2009

By the way, I forgot to comment that my computer is a dell,
running vista 64 bits, with 6GB of run. I am also able to
run grass (compiled for 64bits) under Ubuntu on same machine.



2009/7/22 Milton Cezar Ribeiro <miltinho.astronauta at gmail.com>

> Dear all,
> I am organizing a very large DEM for a region of interest,
> and would like to know from our colleagues what is your
> experience with features extraction from large DEM.
> What was your highest (rows and cols) DEM that
> you handled on grass? I will need to extract features
> using r.watershed, r.flor, w.terraflor, and the I need
> to extract several features (may be 10) from my final
> (not yet ready) DEM.
> Thanks in advance for the help
> miltinho
> brazil=toronto
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