[Qgis-user] Isolate area of water supply network using existing valves
欧阳乐岩
ouyang.leyan at hotmail.com
Wed Jun 27 06:06:52 PDT 2012
Hi all,
I have a water distribution network with valves. For any given
selection, I would like to find the valves that can be used to isolate
it from the rest of the network and extract the selected area. This is a
very standard feature for GIS aimed at water supply.
It is not a very complicated problem and after failing to find a tool
doing it, I started a plugin that can do it. However, before spending
too much time trying to do it cleanly and efficiently, is there a way to
do it already that I have overlooked, e.g. via a plugin, a Sextante
algorithm, etc. ?
This seems like in could be a quite general tool in network
manipulation, does this problem have a more general name that could help
me find resources ?
Regards,
Leyan
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