What about v.net.path to get shortest paths from a start node to a number of end nodes?
Markus M On Mon, Jan 11, 2021 at 2:32 PM Daniel McInerney < [email protected]> wrote: > > Hi List, > > I've been using v.net.allpairs [1] for the calculation of shortest paths > between pairs of nodes on a river network, and it is working very well. > However, for some datasets there are several thousand individual nodes > and I would like to reduce the associated processing time if possible. > > Based on the documentation and the current outputs, the module > calculates the shortest paths between all pairs of nodes on the network. > In my case, I'm only interested in the shortest paths from one specific > node. I'm therefore, wondering if it is possible to use the module in > this way and limit the shortest path calculations from one node to all > of the other nodes on network. I tried to use the 'cats' and 'where' > options, but so far to no avail. > > I appreciate I am overlooking something, but would value any feedback or > advice on how to reduce the associated processing time. > > Thanks in advance. > > Regards > > Daniel. > > [1]: https://grass.osgeo.org/grass79/manuals/v.net.allpairs.html > > > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user
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