[Mne_analysis] Visualization of EDF gives ugly output

[Marijn van Vliet]

        External Email - Use Caution        

Dear Senaka,

for each channel listed in ch_pure, the corresponding location is searched for in the emotiv.locs file. Hence, the channel names in ch_pure should match those in emotiv.locs, which in your case is not the case.

best,
Marijn.

> On 6 Apr 2019, at 19:41, Senaka Amarakeerthi <senakahks at gmail.com> wrote:
> 
>         External Email - Use Caution        
> 
> 
> Dear Alex,
> 
> Thank you for the quick reply. I am trying to channel locations using the code below.
> 
> ch_pure = ['AF3', 'F7', 'F3', 'FC5', 'T7', 'P7', 'O1', 'O2', 'P8','T8', 'FC6', 'F4', 'F8', 'AF4']
> montage_pure = mne.channels.read_montage(kind="emotiv", ch_names=ch_pure, path='/Volumes/STORAGE/Dropbox/')
> raw.set_montage(montage=montage_pure)
> 
> emotiv.locs has the following content
>  1    0     .181       Fz..
>  2    0        0       Cz..
>  3    180   .181       Pz..
>  4    180   .352       Oz..
>  5   -39    .231       F3..
>  6    39    .231       F4..
>  7   -90    .181       C3..
>  8    90    .181       C4..
>  9   -90    .352       T3..
> 10    90    .352       T4..
> 11  -142    .231       P3..
> 12   142    .231       P4..
> 13     0    .352       Fpz.
> 14     0    .501       EOG.
> 
> Anyway I ended up with the error:
>   365         upper_names = [ch_name.upper() for ch_name in ch_names]
>     366
>          sel, ch_names_ = zip(*[(i, ch_names[upper_names.index(e)]) for i, e in
> 
> --> 367                                enumerate([n.upper() for n in ch_names_])
>     368
>                                 if e in upper_names])
> 
>     369         sel = list(sel)
> 
> 
> 
> ValueError: not enough values to unpack (expected 2, got 0)
> 
> Any suport is highly appreciated.
> 
> Senaka
> 
> 
> 
> On Sat, Apr 6, 2019 at 1:19 PM Alexandre Gramfort <alexandre.gramfort at inria.fr> wrote:
>         External Email - Use Caution        
> 
> 
> hi Senaka,
> 
> I assume you speak about "spatial_colors=True" option in evoked.plot
> 
> if so to get the colors you need to have the channel locations that you can so
> far set with set_montage method.
> 
> HTH
> Alex
> 
> 
> On Sat, Apr 6, 2019 at 6:05 AM Senaka Amarakeerthi <senakahks at gmail.com> wrote:
>         External Email - Use Caution        
> 
> 
> 
> Dear All,
> 
> Visualization of  FIF generates nice color graphs and EDF generates ugly black and white graphs. Can we get color graphs for EDF as well?
> 
> Senaka
> _______________________________________________
> Mne_analysis mailing list
> Mne_analysis at nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis
> _______________________________________________
> Mne_analysis mailing list
> Mne_analysis at nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis
> 
> 
> 
> _______________________________________________
> Mne_analysis mailing list
> Mne_analysis at nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis