Greetings I'm doing a GRASS Module (in C) that uses a training area (raster) and bands from a group and it do some pixel checking for the training_area and sees if the value shopuld be in that training area (some statistical analysis quite easy to implement). But I'm having a lot of difficulties in "accessing" to data in training_area raster. I have used i.maxlik to access to data in group and in signature file (that I need) and r.example to access to training map but I'm not getting it.
For pixels where my training_map is null(), according to map display pixel query, if I print that value using: c = ((CELL *) inrast)[col]; I get -2147483648 instead of null() or something. Is this expected? Thanks Best regards Pedro
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