<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"><br></font>Thanks Markus!<br><br>I'm now using grass6.4.svn but I still have trouble with the supervised classification process. Now I can run i.class and produce the spectral signature for my map but this file is NOT readable by i.maxlik. I get the following message: Can't read signature file [signaturefile].<br><br>I checked in $MAPSET/group/subgroup/$SUBGROUP/sig/; the signaturefile is there but it only contains 3 lines, as follows:<br>#<br>#comment<br>single value XXXX<br><br>Is this correct? I obtained other signature files from i.cluster which look different from this. It seems to me that i.class doesn't write the signature file correctly so that i.maxlik is not able to read it.<br><br>How can I overcome this problem?<br><br>thanks<br><br>silvia<br><br>On Sep 1, 2008, at 1:30 PM, Markus Neteler wrote:<br><br><blockquote type="cite">Hi Silvia,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">there have been a couple of fixes which probably didn't reach 6.3.0.<br></blockquote><blockquote type="cite">Could you try with 6.4.svn instead? There it will work.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Best<br></blockquote><blockquote type="cite">Markus<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">PS: See the list archives for older discussions on this.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Mon, Sep 1, 2008 at 11:19 AM, Silvia Simoni<br></blockquote><blockquote type="cite"><<a href="mailto:silvia.simoni@ing.unitn.it">silvia.simoni@ing.unitn.it</a>> wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite">Hi grass-users,<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I'm trying to run a supervised reclassification for an orthophoto created<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">using r.in.gdal and r.composite.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Before running i.class, i run i.group to create a subgroup which is required<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">by i.class. [The group containing 3 files .red, .green, .blue had been<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">previously created during the import phase].<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">When I run i.class the interactive screen cannot find the subgroup, it<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">outputs: "no subgroup files available in current mapset". I get the same<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">message also using i.gensig.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I can see the folder and the file REF using "ls" in<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">/Users/silvia/grassdata/location/mapset/group/subgroup/, but somehow GRASS<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">6.3 cannot.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">The result is the i.class exits.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Does anyone know what's going on? How can I create a subgroup that GRASS 6.3<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">can see?<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Thanks<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Silvia<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">----------------------------------------------------------------------------------------<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Silvia Simoni PhD<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">DICA - Department of Civil and Environmental Engineering<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Universita' di Trento<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">via Mesiano 77, 38100 Trento, ITALY<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">tel. +39 0461 882610<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">fax. +39 0461 882672<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">e-mail: <a href="mailto:silvia.simoni@ing.unitn.it">silvia.simoni@ing.unitn.it</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">_______________________________________________<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">grass-user mailing list<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="mailto:grass-user@lists.osgeo.org">grass-user@lists.osgeo.org</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="http://lists.osgeo.org/mailman/listinfo/grass-user">http://lists.osgeo.org/mailman/listinfo/grass-user</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">-- <br></blockquote><blockquote type="cite">Open Source Geospatial Foundation<br></blockquote><blockquote type="cite"><a href="http://www.osgeo.org/">http://www.osgeo.org/</a><br></blockquote><blockquote type="cite"><a href="http://www.grassbook.org/">http://www.grassbook.org/</a><br></blockquote><br>----------------------------------------------------------------------------------------<br>Silvia Simoni PhD<br>DICA - Department of Civil and Environmental Engineering<br>Universita' di Trento<br>via Mesiano 77, 38100 Trento, ITALY<br>tel. +39 0461 882610<br>fax. +39 0461 882672<br>e-mail: <a href="mailto:silvia.simoni@ing.unitn.it">silvia.simoni@ing.unitn.it</a><br><br><br><br></div></blockquote></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; 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margin-left: 0px; ">----------------------------------------------------------------------------------------</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Silvia Simoni PhD </div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">DICA - Department of Civil and Environmental Engineering</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Universita' di Trento</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">via Mesiano 77, 38100 Trento, ITALY</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">tel. +39 0461 882610</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">fax. +39 0461 882672</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">e-mail: <a href="mailto:silvia.simoni@ing.unitn.it">silvia.simoni@ing.unitn.it</a></div><div style="margin-top: 0px; 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