I use i.atcorr modul, but I have one question:
- in the "run_i_atcorr(radiance_flag, input_band, input_range, elevation,
visibility, parameters, output, output_range)" party,

 what is the input_range output_range, you take this from MTL.txt or from
Radiance min and max values, or you fixed it 1:255 (because of DN)?

Thank you very much for your help.

Best regards
Julita Dudek
UMR 5600 Environnement Ville Société, CNRS
Centre de recherche en géographie et aménagement, LCRE, Université Lyon 3
0649 07 25 75
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