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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">My recommendation would be igraph (http://igraph.org/).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Powerful, Open Source (<a href="https://github.com/igraph">https://github.com/igraph</a>), well documented, and comes
with Python, and C++ and R interfaces.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I used it in the r.connectivity.network addon for GRASS 6 and was quite happy with it!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Cheers<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Stefan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> qgis-developer-bounces@lists.osgeo.org
[mailto:qgis-developer-bounces@lists.osgeo.org] <b>On Behalf Of </b>Andreas Neumann<br>
<b>Sent:</b> 18. juni 2015 08:48<br>
<b>To:</b> qgis-developer@lists.osgeo.org<br>
<b>Subject:</b> Re: [Qgis-developer] Network analysis<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">This seems to be the important bit:
<a href="https://github.com/QGEP/QGEP/blob/master/qgepplugin/tools/qgepnetwork.py">
https://github.com/QGEP/QGEP/blob/master/qgepplugin/tools/qgepnetwork.py</a><br>
<br>
Andreas<o:p></o:p></p>
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<p class="MsoNormal">On 18.06.2015 05:44, Nathan Woodrow wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hey all, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">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?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">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 <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Nathan<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Qgis-developer mailing list<o:p></o:p></pre>
<pre><a href="mailto:Qgis-developer@lists.osgeo.org">Qgis-developer@lists.osgeo.org</a><o:p></o:p></pre>
<pre><a href="http://lists.osgeo.org/mailman/listinfo/qgis-developer">http://lists.osgeo.org/mailman/listinfo/qgis-developer</a><o:p></o:p></pre>
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<p class="MsoNormal"><o:p> </o:p></p>
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