[GRASS-user] Network Analysis in GRASS
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
> 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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