[Mne_analysis] interactive issue on windows

[Brunner, Clemens (clemens.brunner@uni-graz.at)]

Hi Boris!

Have you tried enabling interactive matplotlib mode with

%matplotlib

?

Clemens



> On Nov 8, 2017, at 14:31, Boris BURLE <boris.burle at univ-amu.fr> wrote:
> 
> Dear list,
> 
> 
> I have a code that works perfectly on Linux but creates issues on 
> Windows©, where I loose interactivity.
> 
> here is (the relevant part of) the incriminated code:
> 
> [...]
> 
>     epochs_eog = 
> mne.preprocessing.create_eog_epochs(raw,ch_name='EOGV',baseline=(-.5,-.2),reject=None) 
> 
>     epochs_eog.plot()
>     #print("Checking EOG detection...")
> 
>     if float(sys.version[0]) < 3:
>         x = raw_input("press Enter to continue: ")
>     else:
>         x = input("press Enter to continue: ")
> 
>     print("Computing the EOG projector...")
>     # estimating the eog projector on pure EOG
>     projs = mne.compute_proj_epochs(epochs_eog, n_eeg=1, \
>     n_grad=0, n_mag=0, desc_prefix=None)
> 
>     print("Plotting the EOG projector...")
>     # plotting the eog projector
>     # to get the EEG layout
>     lt = mne.channels.find_layout(raw.info)
>     mne.viz.plot_projs_topomap(projs,layout=lt)
>     if float(sys.version[0]) < 3:
>         x = raw_input("Accept? [Y/N]: ")
>     else:
>         x = input("Accept? [Y/N]: ")
> [...]
> 
> Basically,  it's estimating blinks artifact epochs and show them. Then 
> the user can visualize the blinks and reject the epochs that are not 
> blinks (or noisy ones etc...). Once this is finished, by closing the 
> window that showed the epochs, the user is facing a prompt in Ipython 
> (with a test of python version currently being ran), and after pressing 
> "Enter", one computes the projector and shows its topography. The user 
> can then decide to accept the projector or not and the scripts goes on.
> 
> When running this script in Ipython, it runs smoothly on my linux 
> machine. But on Windows© (tested on two different machine, and two 
> different versions), the behavior is not the intended one: when the 
> blink epochs are shown, the window is "not responding" and the user 
> cannot interact with it (hence can not reject the non-blink epochs). The 
> windows becomes interactive back once the "Enter" key is pressed at the 
> ipython prompt. But then, obviously, the scripts keeps on running and 
> computed the projector on all epochs, including the non cleaned ones...
> 
> Has anyone experience a similar issue? Is it a Ipython issue? Is it 
> blocking matplotlib figures from being interactive by default? Should we 
> run with some specific options (and if so, how can this be done on 
> Windows©?).
> 
>     Thanks a lot in advance for your help !!
> 
>         Boris
> 
> 
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