[Qgis-developer] Network analysis

[Blumentrath, Stefan]

My recommendation would be igraph (http://igraph.org/).
Powerful, Open Source (https://github.com/igraph), well documented, and comes with Python, and C++ and R interfaces.
I used it in the r.connectivity.network addon for GRASS 6 and was quite happy with it!

Cheers
Stefan

From: qgis-developer-bounces at lists.osgeo.org [mailto:qgis-developer-bounces at lists.osgeo.org] On Behalf Of Andreas Neumann
Sent: 18. juni 2015 08:48
To: qgis-developer at lists.osgeo.org
Subject: Re: [Qgis-developer] Network analysis

This seems to be the important bit: https://github.com/QGEP/QGEP/blob/master/qgepplugin/tools/qgepnetwork.py

Andreas
On 18.06.2015 05:44, Nathan Woodrow wrote:
Hey all,

Has anyone done or know any good tools for doing network analysis in QGIS.  Stuff like finding downstream nodes on pipes, turning off switches to see downstream effects?

I know there is a network x library for Python which might be able to do it however I can't seem to find it.  I thought it was uploaded to the plugin repository

Regards,
Nathan




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