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# -*- coding: utf-8 -*-
"""
.. _ex-eeg-on-scalp:
=================================
Plotting EEG sensors on the scalp
=================================
In this example, digitized EEG sensor locations are shown on the scalp.
"""
# Author: Eric Larson <larson.eric.d@gmail.com>
#
# License: BSD-3-Clause
# %%
import mne
from mne.viz import plot_alignment, set_3d_view
print(__doc__)
data_path = mne.datasets.sample.data_path()
subjects_dir = data_path / 'subjects'
meg_path = data_path / 'MEG' / 'sample'
trans = mne.read_trans(meg_path / 'sample_audvis_raw-trans.fif')
raw = mne.io.read_raw_fif(meg_path / 'sample_audvis_raw.fif')
# Plot electrode locations on scalp
fig = plot_alignment(raw.info, trans, subject='sample', dig=False,
eeg=['original', 'projected'], meg=[],
coord_frame='head', subjects_dir=subjects_dir)
# Set viewing angle
set_3d_view(figure=fig, azimuth=135, elevation=80)
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