Re: [Qgis-user] geotiff to polygons

2018-03-01 Thread Alexandre Neto
Hi, Do a reclassification on the Raster side, then convert to vector using the Polygonize tool. Hope it helps, Alex Neto Colm O'Neill escreveu no dia quinta, 1/03/2018 às 18:06: > Hi all, > > I'm wondering if this is a possiblity or if I'm off my mark: > > I'm working from a

[Qgis-user] geotiff to polygons

2018-03-01 Thread Colm O'Neill
Hi all, I'm wondering if this is a possiblity or if I'm off my mark: I'm working from a geotiff (that contains NO² levels — pollution indexes) that covers all of Belgium. From the geotiff, I performed a clipping, and a contour extraction. This is great and let me perform my spacial queries