Dear Māris, Thank you for your reply. Yes, the image is inside the computational region. Any other ideas?
Il mer 26 gen 2022, 19:45 Maris Nartiss <maris....@gmail.com> ha scritto: > 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 >
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