[postgis-users] flow analysis

[Nicolas Ribot]

Hello,

This precise example, no, but the "WITH RECURSIVE" construct yes.

Could you post your query and the data model ?

Nicolas


On 15 May 2013 17:56, Jonatan Malaver <jon.malaver at shrewsburyma.gov> wrote:

>  Hello again, ****
>
> I tried the example, but it only returns the same line. Has anyone tried
> that example?****
>
> ** **
>
> Thanks,****
>
> ** **
>
> Jonatan ****
>
> ** **
>
> *From:* postgis-users-bounces at lists.osgeo.org [mailto:
> postgis-users-bounces at lists.osgeo.org] *On Behalf Of *Nicolas Ribot
> *Sent:* Tuesday, May 14, 2013 1:02 PM
> *To:* PostGIS Users Discussion
>
> *Subject:* Re: [postgis-users] flow analysis****
>
> ** **
>
> Hi,****
>
> ** **
>
> The WITH RECURSIVE construct allows to walk a graph:****
>
> ** **
>
> This link may help:****
>
> http://blog.cleverelephant.ca/2010/07/network-walking-in-postgis.html****
>
> ** **
>
> Nicolas****
>
> ** **
>
> On 14 May 2013 18:40, Jonatan Malaver <jon.malaver at shrewsburyma.gov>
> wrote:****
>
>  Hello, is it possible to do any flow analysis? For example, query
> postgis for what down flow a certain point?****
>
>  ****
>
> Thanks,****
>
>  ****
>
> Jonatan Malaver****
>
>  ****
>
>
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