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

[Jarek Jasiewicz]

no prblem with 20000 x 20000 but takes lots of time

Milton Cezar Ribeiro pisze:
> 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.
>  
> Cheers
>  
> milton
>
> 2009/7/22 Milton Cezar Ribeiro <miltinho.astronauta at gmail.com 
> <mailto: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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