[Mne_analysis] mne.viz.plot_topo behavior

[Kambiz Tavabi]

Hi Denis,
At the moment I am experiencing this issue with the master 0.6 branch (FYI
I also expect to be working with the christianmbrodbeck branch). On my
machine (Ubuntu 13.04 64bit running canopy-1.0.0.1160.rh5-x86_64 &
python2.7) the topo plot example does not work using IPython notebook or
Enthough console.

In a last ditch effort to dig into this issue further I tried running the
tutorial example in an ipython --pylab terminal and noticed a pylab
issue (ImportError:
Matplotlib backend_wx and backend_wxagg require wxPython >=2.8); So I just
updated my enthought package as per web forum advice and now I cannot
import MNE because of these NEW errors:

---------------------------------------------------------------------------RuntimeError
                             Traceback (most recent call
last)RuntimeError: module compiled against API version 7 but this
version of numpy is 6
...

ImportError: numpy.core.multiarray failed to import

---------------------------------------------------------------------------


Needless to say, I am royally confused.

Kambiz



On Wed, Jun 26, 2013 at 4:25 PM, Denis-Alexander Engemann <
denis.engemann at gmail.com> wrote:

> Hi Kambiz,
>
> which version of mne-python are you running? Does the example you refer to
> work on your machine?
> And, yes, using plot_topo, theoretically any number of conditions can be
> visualized.
>
> Cheers,
> Denis
>
>
>
> On Thu, Jun 27, 2013 at 1:12 AM, Kambiz Tavabi <ktavabi at uw.edu> wrote:
>
>> Hi all,
>> A little quirky behavior I can't make sense of; I am trying to show
>> topography for different conditions using mne.viz.plot_topo however I keep
>> getting a type error regarding the number of input arguments
>> i.e., plot_topo() takes at least X arguments (Y given) that I can't make
>> sense of. By the way, I assume I can plot any number of conditions using
>> this function, right?
>>
>> Here is my code snippet:
>> # Generate list of evoked objects from conditions names
>> evokeds = [epochs[name].average() for name in 'retroflex_standard',
>> 'dental_deviant']
>>
>> *print* evokeds
>> [<Evoked  |  comment : 'retroflex_standard', time : [-0.100000,
>> 0.500000], n_epochs : 79, n_channels x n_times : 204 x 601>, <Evoked  |
>>  comment : 'dental_deviant', time : [-0.100000, 0.500000], n_epochs : 80,
>> n_channels x n_times : 204 x 601>]
>>
>> From the tutorial<http://martinos.org/mne/auto_examples/plot_topo_compare_conditions.html>
>>
>> from mne.viz import plot_topo
>> # Show topography for different conditions
>> colors = 'yellow', 'green'
>> title = 'Evoked responses'
>> plot_topo(evokeds, color=colors, title=title)
>> conditions = [e.comment for e in evokeds]
>>  for cond, col, pos in zip(conditions, colors, (0.025, 0.07)):
>>     pl.figtext(0.775, pos, cond, color=col, fontsize=12)
>> pl.show()
>>
>>
>> ---------------------------------------------------------------------------
>> TypeError                                 Traceback (most recent call
>> last)
>> <ipython-input-120-5809c3f526e8> in <module>()
>>       5 title = 'Evoked responses'
>>       6
>> ----> 7 plot_topo(evokeds, color=colors, title=title)
>>       8
>>       9 conditions = [e.comment for e in evokeds]
>>
>> TypeError: plot_topo() takes at least 2 arguments (3 given)
>>
>> Thanks in advance
>> Kambiz
>> --
>> ------------------------------------------------------------
>> Kambiz Tavabi PhD
>> Institute for Learning & Brain Sciences
>> 1715 Columbia Road N
>> Portage Bay Building
>> Box 357988
>> University of Washington
>> Seattle, WA 98195-7988
>> Tel: 206-221-6415
>> ------------------------------------------------------------
>>
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-- 
------------------------------------------------------------
Kambiz Tavabi PhD
Institute for Learning & Brain Sciences
1715 Columbia Road N
Portage Bay Building
Box 357988
University of Washington
Seattle, WA 98195-7988
Tel: 206-221-6415
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