[Qgis-user] points to polygons conversion

2022-03-16 Thread Francesca Parente via Qgis-user
Hello group, I'd have a question I hope it doesn't sound too nonsense to you: I'm working on a points shapefile, which I know has been created by centroids of polygons- but I don't have access to polygonal areas. I would need to select just those in some locations and recover their original area w

Re: [Qgis-user] points to polygons conversion

2022-03-16 Thread Bernd Vogelgesang via Qgis-user
Well, yes, thats sounds like nonsense ;) The only thing I could think of is trying to make voronoi polygons (toolbox) on those centroids, but for sure this will not bring up any usefull findings. Am 16.03.22 um 11:04 schrieb Francesca Parente via Qgis-user: Hello group, I'd have a question

Re: [Qgis-user] points to polygons conversion

2022-03-16 Thread chris hermansen via Qgis-user
Francesca and list, On Wed, Mar 16, 2022, 03:06 Francesca Parente via Qgis-user < qgis-user@lists.osgeo.org> wrote: > Hello group, > > I'd have a question I hope it doesn't sound too nonsense to you: I'm > working on a points shapefile, which I know has been created by centroids > of polygons- bu

Re: [Qgis-user] points to polygons conversion

2022-03-16 Thread Nicolas Cadieux via Qgis-user
Hi, Unfortunately,  the $geometry field with the original polygons no longer exists.  Layers only have one geometry field at a time unless you specifically create something like a wkt of wkb field. If it's was a regular grid, then yes, you could recreate it using vector/research tools/create