joel dinis: > > In fact, I put maxsig=30. > > i.gensigset trainingmap=amostras group=grupo subgroup=subgrupo > > signaturefile=assinaturas maxsig=30
NikosA: > What about smaller maxsig's, like: > > - maxsig=25 > - maxsig=20 > - maxsig=15 and even smaller than 10 perhaps since the algorithm indicates "9 remain" after the first removal. Are the "sub-signature removals of the same amount for all classes"? Nikos > > > I always > > > get the same problem: > > > ... > > > Removed a singular subsignature number 1 (9 remain) > > > Removed a singular subsignature number 1 (8 remain) > > > Removed a singular subsignature number 1 (7 remain) > > > Removed a singular subsignature number 1 (6 remain) > > > Removed a singular subsignature number 1 (5 remain) > > > Removed a singular subsignature number 1 (4 remain) > > > Removed a singular subsignature number 1 (3 remain) > > > Removed a singular subsignature number 1 (2 remain) > > > Removed a singular subsignature number 1 (1 remain) > > > Unreliable clustering. Try a smaller initial number of > > clusters > > > Removed a singular subsignature number 1 (-1 remain) > > > Unreliable clustering. Try a smaller initial number of > > clusters > > > Number of subclasses is 0 > > > Clustering class 12 (184 pixels)... > > > Removed a singular subsignature number 1 (9 remain) > > > Removed a singular subsignature number 1 (8 remain) > > > Removed a singular subsignature number 1 (7 remain) > > > Removed a singular subsignature number 1 (6 remain) > > > Removed a singular subsignature number 1 (5 remain) > > > Removed a singular subsignature number 1 (4 remain) > > > Removed a singular subsignature number 1 (3 remain) > > > Removed a singular subsignature number 1 (2 remain) > > > Removed a singular subsignature number 1 (1 remain) > > > Unreliable clustering. Try a smaller initial number of > > clusters > > > Removed a singular subsignature number 1 (-1 remain) > > > Unreliable clustering. Try a smaller initial number of > > clusters > > > Number of subclasses is 0 > > > i.gensigset complete. > > > > > > And afterwards the signature file doesn't have any > > > spectral information. I really don't understand whats > > happening > > > and the cause to this outcome. > > > > > > Can anyone solve this "enigma"? > > > > > > Ps: I don't know if this information is important: I > > collected > > > about 450 samples distributed by 10 classes. I may also > > > add that the average number of pixels per sample is around > > 50. > > > > > > And thanks list, for the previous tips: they were very > > useful. _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
