Sometimes I have the same problem. My solution is to use the georectify module to set the GPCs, save, close it and then run:i.group - i.target - i.rectfy.It's fail safe.
Pablo Torres Carreira > From: [email protected] > Date: Wed, 6 Oct 2010 09:23:17 -0400 > To: [email protected] > Subject: [GRASS-user] help with georectify > > Hi ~ > > GRASS 6.4.0 / OS X 10.6.4 and 10.5.8 (PPC) with wxpython > > I'm having a problem with the georectify module - which is strange since I've > used it a lot in the past without any problems; although maybe not since I > upgraded to this GRASS version - hard to remember. The module executes > smoothly through the selection of GCPs and will compute an rms error. > However, when the georectify button is activated I get an error message > stating that the Group does not exist. Right above this message is a line > from i.points stating that the points file was saved for this group -- i.e. > > POINTS file </Users/stu/grassdata/xy2/PERMANENT/group/sheet9/POINTS> saved > > (Wed Oct 6 09:03:44 2010) > > i.rectify -a group=sheet9 extension=georect64214 order=1 > > ERROR: Group <sheet9> does not exist > (Wed Oct 6 09:03:44 2010) Command finished (0 sec) > > > This looks a little like a bug that was identified last year and fixed (# 689 > / # 709) > > BTW, what is the complex 'extension' and why is the auto-generated value so > 'complex' > > Thanks for any assistance ....... > > Stu_______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user
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