electrodes locations

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Hi all,
Is there a function in mne-python that extract electrodes x,y,z 3d
positions from epoched data? I tried but couldn't find.

Thanks in advance for help

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hi,

you can do something like this:

locs = [c['loc'] for c in epochs.info['chs']]

you can have a look at the plot_sensors function to see how we use these
internally.

HTH
Alex

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In addition to Alex's comment, you could check the file, from which xyz
location for each channel is read.
here is 10-20 system file
https://github.com/mne-tools/mne-python/blob/master/mne/channels/data/montages/standard_1020.elc.
<https://github.com/mne-tools/mne-python/blob/master/mne/channels/data/montages/standard_1020.elc>
You must have the same files in your local machine at ..
/mne/channels/data/montages/'.

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Here is shortcode to achieve the same: