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

[Anna Petrášová]

On Dec 2, 2015 10:59 PM, "Michael Barton" <Michael.Barton at asu.edu> wrote:
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> It is landsat 8, which is 16 bit. So that may account for one issue. If
so, the error about matplotlib is a 2nd issue.

Yes, I remember having problems with matplotlib before on Mac, it's all
related to the 32-bit wxpython I think

Anna

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> 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 2, 2015, at 8:20 PM, Anna Petrášová <kratochanna at gmail.com> wrote:
>>
>> 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
>>>>
>>>> <error.png>
>>>>
>>>> ____________________
>>>> 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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