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"""
.. _ex-plot-meg-sensors:
======================================
Plotting sensor layouts of MEG systems
======================================
Show sensor layouts of different MEG systems.
"""
# Author: Eric Larson <larson.eric.d@gmail.com>
#
# License: BSD (3-clause)
import os.path as op
import mne
from mne.io import read_raw_fif, read_raw_ctf, read_raw_bti, read_raw_kit
from mne.io import read_raw_artemis123
from mne.datasets import sample, spm_face, testing
from mne.viz import plot_alignment, set_3d_title
print(__doc__)
bti_path = op.abspath(op.dirname(mne.__file__)) + '/io/bti/tests/data/'
kit_path = op.abspath(op.dirname(mne.__file__)) + '/io/kit/tests/data/'
raws = {
'Neuromag': read_raw_fif(sample.data_path() +
'/MEG/sample/sample_audvis_raw.fif'),
'CTF 275': read_raw_ctf(spm_face.data_path() +
'/MEG/spm/SPM_CTF_MEG_example_faces1_3D.ds'),
'Magnes 3600wh': read_raw_bti(op.join(bti_path, 'test_pdf_linux'),
op.join(bti_path, 'test_config_linux'),
op.join(bti_path, 'test_hs_linux')),
'KIT': read_raw_kit(op.join(kit_path, 'test.sqd')),
'Artemis123': read_raw_artemis123(op.join(
testing.data_path(), 'ARTEMIS123',
'Artemis_Data_2017-04-14-10h-38m-59s_Phantom_1k_HPI_1s.bin')),
}
for system, raw in sorted(raws.items()):
meg = ['helmet', 'sensors']
# We don't have coil definitions for KIT refs, so exclude them
if system != 'KIT':
meg.append('ref')
fig = plot_alignment(raw.info, trans=None, dig=False, eeg=False,
surfaces=[], meg=meg, coord_frame='meg',
verbose=True)
set_3d_title(figure=fig, title=system)
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