Hi, I am in the first experiences with GRASS and I have a problem with the i.maxlik module. I have to semi-automatically classify two orthophotos already geo-referenced and rectified. As a first operation, I create a group and a subgroup in which I put the two orthophotos. Next, I create a signature with the i.cluster module (initial number of class = 5; iterations = 30; percent convergence = 95%; minimum number of pixels = 5). But in the resulting output there is a problem because the only classified part is the overlap zone between the two orthophotos ... why? I hope I was clear GC
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