Le 27 septembre 2017 13:11:54 GMT+02:00, Johannes Radinger <[email protected]> a écrit : >Hi, > >I have a GRASS vector network that represents a river network (with >many >first order tributaries) and that has additional connected nodes that >represent sampling sites. > >I'd like to extract a minimum subnetwork of the full network that still >connects a set of selected nodes (e.g. identified by their cat). >However, >network edges (i.e. river segments) that are not necessary to connect >the >sampling points should be excluded in the new subnetwork. Is there a >function or process in GRASS GIS to extract such a subnetwork that >fully >connects a set of selected nodes?
not sure but maybe v.net.spanningtree ? Moritz _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
