[Mne_analysis] MNE-python plotting evoked responses

[Eric Larson]

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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