[GRASS-user] Network Analysis in GRASS

Moritz Lennert mlennert at club.worldonline.be
Tue Oct 2 03:49:59 PDT 2012

On 02/10/12 11:37, Margherita Di Leo wrote:
> On Tue, Oct 2, 2012 at 11:35 AM, Moritz Lennert
> <mlennert at club.worldonline.be <mailto:mlennert at club.worldonline.be>> wrote:
>     On 01/10/12 10:10, Phil Donovan wrote:
>         Kiaora GRASS!
>         I require a network tool which can calculate 'service areas'. I know
>         GRASS can currently do this but the specific problem I have is
>         that I
>         need to do it for a very large dataset (400,000 locations). I tried
>         this with ArcGIS tool (sorry!) but it failed to 'solve' due to an
>         overloaded memory. Would the GRASS tool 'v.net.iso' be able to
>         process
>         this without breaking?
>     I don't have a straight answer to the question, but generally GRASS
>     can handle fairly large datasets. It might depend more on the
>     resources of your machine.
>     The best way to find out would be to try. ;-)
> ..And please let us know :)

Yes ! :-)

As a follow-up: you might want to try grass7 as AFAIR some improvements 
in the modules only exist in that version for the moment. MarkusM can 
you confirm that ?


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