[Mne_analysis] MNE-python plotting evoked responses

Kambiz Tavabi ktavabi at uw.edu
Wed Jul 31 20:45:17 EDT 2013
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Hi Eric,

With the ax.set_title line in either position I get the same behavior i.e.,
X axes with butterfly plot & default axis title generated by evoked.plot
and X blank axes with the desired title.

Kambiz


On Wed, Jul 31, 2013 at 4:39 PM, Eric Larson <larson.eric.d at gmail.com>wrote:

> Hey Kambiz,
>
> mne-python will overwrite your axis title with its own. Does it work if
> you move the line ax.set_title after the evokeds.plot() line?
>
> The "titles" keywoard argument not working might be a bug, I'd have to
> look (Alex, Denis?).
>
> Eric
>
>
>
> On Wed, Jul 31, 2013 at 4:34 PM, Kambiz Tavabi <ktavabi at uw.edu> wrote:
>
>> Greetings
>> I am using the following loop to plot the evoked response iterating over
>> several different conditions:
>> # Create the figure (Letter format)
>> for j, cond in enumerate(['Known', 'Known-ctrl', 'Unknown',
>> 'Unkown-ctrl']):
>>     figure(num=j, figsize=(8.5,11), dpi=100)
>>     ax = subplot2grid((4, 2), (j, 0), rowspan=1, colspan=2)
>>     ax.set_title(r"$MEG evoked field, %s trials$" % cond, fontsize=16)
>>     evokeds[j].plot(picks=mag_picks, axes=ax)
>>     # Save to PDF
>>     #savefig("%s.pdf" % TITLE)
>>
>> I get the figure(s) I want but I cannot figure out how to set the title.
>> The above ax.set_title statement seems to do nothing, nor does
>> evokeds[j].plot(picks=mag_picks, axes=ax, titles=event_ids);
>> where event_ids = {'Known': 1, 'Known-ctrl': 2, 'Unknown': 3,
>> 'Unkown-ctrl': 4}. In both case the axes title defaults to channel type
>> e.g., Magnetometers (102 channels). If I follow the example here<http://martinos.org/mne/auto_examples/plot_from_raw_to_multiple_epochs_to_evoked.html> then
>> the above code will generate additional empty axes with the names I want
>> for each iteration; i.e., inserting the statement: `title ("MEG evoked
>> field, %s trials" % cond)` into the loop. Could someone please explain this
>> behavior? 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: 206-685-6173
>> ------------------------------------------------------------
>>
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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: 206-685-6173
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