[postgis-users] flow analysis

[Jonatan Malaver]

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<mailto: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


_______________________________________________
postgis-users mailing list
postgis-users at lists.osgeo.org<mailto:postgis-users at lists.osgeo.org>
http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20130515/6583cc03/attachment.html>