I have a problem with i.topo.corr Data: Landsat 7 ETM+ WGS 84/zone38N SRTM 3arc WGS84 What I did: I did the atmospheric correction of landsat bands with dos1 I did the illumination model for SRTM, in a different location and mapset since it is in a different coordinate system and then I used r.proj to import the illumination model to the mapset with my landsat data. But! When I run i.topo.corr the results are not as they should be. The output map is in dark grey, almost black, just one colour. I thought that maybe it is because the resolution of SRTM is different than resolution of Landsat. So I've tried to change it but there was error. What am I doing wrong? Joanna
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