old_contents: """
  ======================================
  Plotting sensor layouts of MEG systems
  ======================================
  
  In this example, sensor layouts of different MEG systems
  are shown.
  """
  # Author: Eric Larson <larson.eric.d@gmail.com>
  #
  # License: BSD (3-clause)
  
  import os.path as op
  
  from mayavi import mlab
  
  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_trans
  
  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 = dict(
      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_2016-11-03-15h-58m_test.bin'))
  )
  
  for system, raw in raws.items():
      # We don't have coil definitions for KIT refs, so exclude them
      ref_meg = False if system == 'KIT' else True
      fig = plot_trans(raw.info, trans=None, dig=False, eeg_sensors=False,
                       meg_sensors=True, coord_frame='meg', ref_meg=ref_meg)
      text = mlab.title(system)
      text.x_position = 0.5
      text.y_position = 0.95
      text.property.vertical_justification = 'top'
      text.property.justification = 'center'
      text.actor.text_scale_mode = 'none'
      text.property.bold = True
      mlab.draw(fig)
  
new_contents: """
  ======================================
  Plotting sensor layouts of MEG systems
  ======================================
  
  In this example, sensor layouts of different MEG systems
  are shown.
  """
  # Author: Eric Larson <larson.eric.d@gmail.com>
  #
  # License: BSD (3-clause)
  
  import os.path as op
  
  from mayavi import mlab
  
  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_trans
  
  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 = dict(
      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 raws.items():
      # We don't have coil definitions for KIT refs, so exclude them
      ref_meg = False if system == 'KIT' else True
      fig = plot_trans(raw.info, trans=None, dig=False, eeg_sensors=False,
                       meg_sensors=True, coord_frame='meg', ref_meg=ref_meg)
      text = mlab.title(system)
      text.x_position = 0.5
      text.y_position = 0.95
      text.property.vertical_justification = 'top'
      text.property.justification = 'center'
      text.actor.text_scale_mode = 'none'
      text.property.bold = True
      mlab.draw(fig)
  
subject: Fix example