Hello Nikos,<br><br>In fact, I put maxsig=30.<br>i.gensigset trainingmap=amostras group=grupo subgroup=subgrupo signaturefile=assinaturas maxsig=30<br><br>JD<br><br><div class="gmail_quote">On Tue, Apr 6, 2010 at 4:04 PM, Nikos Alexandris <span dir="ltr"><<a href="mailto:nikos.alexandris@felis.uni-freiburg.de">nikos.alexandris@felis.uni-freiburg.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="im">joel dinis wrote:<br>
> I trying to classify remote sensing imagery, and<br>
> I thought to try the i.smap module, but<br>
> when I run the i.gensigset,<br>
<br>
</div>Please, could you copy-paste the exact command you used?<br>
Does the "maxsig=" (e.g. maxsig=20) make any difference?<br>
<font color="#888888"><br>
Nikos<br>
</font><div><div></div><div class="h5"><br>
> I always<br>
> get the same problem:<br>
> ...<br>
> Removed a singular subsignature number 1 (9 remain)<br>
> Removed a singular subsignature number 1 (8 remain)<br>
> Removed a singular subsignature number 1 (7 remain)<br>
> Removed a singular subsignature number 1 (6 remain)<br>
> Removed a singular subsignature number 1 (5 remain)<br>
> Removed a singular subsignature number 1 (4 remain)<br>
> Removed a singular subsignature number 1 (3 remain)<br>
> Removed a singular subsignature number 1 (2 remain)<br>
> Removed a singular subsignature number 1 (1 remain)<br>
> Unreliable clustering. Try a smaller initial number of clusters<br>
> Removed a singular subsignature number 1 (-1 remain)<br>
> Unreliable clustering. Try a smaller initial number of clusters<br>
> Number of subclasses is 0<br>
> Clustering class 12 (184 pixels)...<br>
> Removed a singular subsignature number 1 (9 remain)<br>
> Removed a singular subsignature number 1 (8 remain)<br>
> Removed a singular subsignature number 1 (7 remain)<br>
> Removed a singular subsignature number 1 (6 remain)<br>
> Removed a singular subsignature number 1 (5 remain)<br>
> Removed a singular subsignature number 1 (4 remain)<br>
> Removed a singular subsignature number 1 (3 remain)<br>
> Removed a singular subsignature number 1 (2 remain)<br>
> Removed a singular subsignature number 1 (1 remain)<br>
> Unreliable clustering. Try a smaller initial number of clusters<br>
> Removed a singular subsignature number 1 (-1 remain)<br>
> Unreliable clustering. Try a smaller initial number of clusters<br>
> Number of subclasses is 0<br>
> i.gensigset complete.<br>
><br>
> And afterwards the signature file doesn't have any<br>
> spectral information. I really don't understand whats happening<br>
> and the cause to this outcome.<br>
><br>
> Can anyone solve this "enigma"?<br>
><br>
> Ps: I don't know if this information is important: I collected<br>
> about 450 samples distributed by 10 classes. I may also<br>
> add that the average number of pixels per sample is around 50.<br>
><br>
> And thanks list, for the previous tips: they were very useful.<br>
<br>
</div></div></blockquote></div><br>