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
> >
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