[GRASS-user] NULL values as output of i.atcorr

[ilaria.ferrando87 at gmail.com]

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 at 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.

 

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