One thing to always check – does your computational region contain data you are analysing? Try to run `g.region rast=immagine` before running i.atcorr.
Māris. trešd., 2022. g. 26. janv., plkst. 18:13 — lietotājs <ilaria.ferrand...@gmail.com> rakstīja: > > Dear all, > > I am having troubles in processing a Sentinel-2 image with i.atcorr. > > The command I use is the following: > > i.atcorr -r -input=immagine@mapset range=0,10000 > parameters=C:\...\22giugno2020_b4.txt output=immagine_atcorr rescale=0,1 > > and I obtain this output: > > wavelength less than 0.25 micron: > > let's take s(l)=s(0.25) > > Atmospheric correction... > > Atmospheric correction complete. > > > > The map I obtain is constituted by pixels with 6.669033e-34 values. > > Can anyone explain the meaning of the output and why I obtain a NULL value > corrected map? > > Thank you for your support. > > > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user