Hi, 2015-10-06 17:29 GMT+02:00 Moritz Lennert <[email protected]>: > One can argue that setting them NULL is actually a valid choice as it might > not be legitimate to give them values of pixel so much larger. But maybe > this should be decided by a flag ?
right, a flag could be an option. [...] > Get area and if area < pixel size then > - number = 1 There can be more areas with same category. > - range = 0 > - stddev,variance,coeff_var = 0 (or NULL) > - all other values = pixel value which you can get by replacing the areas by > their centroids, you could use v.what.rast to get the pixel value. > > But I wonder if this is not a bit of overkill... Why? I have request from the users, they are not happy about NULL values. I just wonder how to implement within Python script. Probably rewriting to C would make sense(?) Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
