[GRASS-dev] error in interactive supervised classification input - update

[Anna Petrášová]

Is it landsat 8? g.gui.iclass is rewritten i.class which supported only 256
categories...

On Tue, Dec 1, 2015 at 5:55 PM, Michael Barton <Michael.Barton at asu.edu>
wrote:

> Apparently no graphs work in the interactive iclass module. Also, it
> doesn’t seem to work otherwise.
>
> I can mark training fields with no problem. I can export them with no
> problem.
>
> But when I click the update button, the preview screen goes blank for a
> bit for each class then returns to the original base raster with nothing
> showing. The command console displays the following errors (one for each
> class):
>
> Data error preparing signatures: value (19592) > num of cats
> (256)
> Data error preparing signatures: value (8089) > num of cats
> (256)
> Data error preparing signatures: value (11048) > num of cats
> (256)
> Data error preparing signatures: value (9218) > num of cats
> (256)
>
>
> I’ve looked at the very slim help file and it did not help. Copying Helena
> and Anna in case they’ve be successful with this working.
>
> Michael
>
>
> ____________________
> C. Michael Barton
> Director, Center for Social Dynamics & Complexity
> Professor of Anthropology, School of Human Evolution & Social Change
> Head, Graduate Faculty in Complex Adaptive Systems Science
> Arizona State University
>
> voice:  480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)
> fax: 480-965-7671 (SHESC),  480-727-0709 (CSDC)
> www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu
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> On Dec 1, 2015, at 3:33 PM, Michael Barton <michael.barton at ASU.Edu> wrote:
>
> When I try to use g.gui.iclass, I get the error in the attached file. It
> says it was unable to import matplotlib. Then it says it did find
> matplotlib but it was the wrong architecture.
>
> If I fire up Python from the GRASS terminal and import matplotlib, it is
> fine. I also tried to install matplotlib from the terminal in case it would
> find a correct architecture version. This also went fine.
>
> So I begin to suspect that this is a bug instead of a problem with my
> systems. Any thoughts?
>
> Mac OS X 10.10.3
> GRASS 7.0.2, compliled a week ago.
>
> Michael
>
>
> ____________________
> C. Michael Barton
> Director, Center for Social Dynamics & Complexity
> Professor of Anthropology, School of Human Evolution & Social Change
> Head, Graduate Faculty in Complex Adaptive Systems Science
> Arizona State University
>
> voice:  480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)
> fax: 480-965-7671 (SHESC),  480-727-0709 (CSDC)
> www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu
>
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