Hi, In the Processing toolbox, QGIS provides a lot of algorithms to create bounding boxes, under "Vector geometry" group. You may want to give them a look.
Harrissou Le dim. 9 déc. 2018 à 20:14, Havard Tveite <havard.tve...@nmbu.no> a écrit : > Assuming that the point layer has an attribute that identifies > the district, I suggest that you first create Voronoi polygons > for the point layer, and then dissolve the Voronoi polygons based > on the attribute that identifies the district. > Both these functions can be found in the Processing toolbox. > The QGIS Voronoi algorithm was fixed recently, so if you do not > have the latest QGIS version you should use v.voronoi (GRASS). > > Håvard > > On 09.12.2018 18:35, Holly Allen wrote: > > I've stumbled onto QGIS through a work project, and have a specific > > problem I'm trying to solve. We have a set of around 5000 locations > > which are broken up into about 500 districts. We'd like to produce a map > > of polygons representing the districts, and I would really, really like > > to not do that by hand if I can. > > > > I've poked around in QGIS a bit (mostly 3.4.2, but I also installed the > > latest 2.x version briefly to check it out) and worked through the list > > of plugins available, and I don't see a way to auto-generate boundaries > > between groups of points. I am about to write the code myself, but > > wanted to ask the group whether I'm just missing something obvious. > > Please point me to anything I'm missing! Since I haven't done anything > > in this field before, I may simply not be searching for the right terms. > > Bonus points if I can take the resulting boundaries and have them snap > > to state boundaries (in another layer) wherever the state boundaries > > happen to fall between the groups. > > > > Thanks, > > Holly > > > > _______________________________________________ > > Qgis-user mailing list > > Qgis-user@lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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