Add plot_montage (that uses the same code as plot_eeg_no_mri)

examples/visualization/plot_montage.py

@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+"""
+Plotting sensor layouts of EEG Systems
+======================================
+
+Show sensor layouts of different EEG systems.
+"""  # noqa
+# Authors: Alexandre Gramfort <[email protected]>
+#          Joan Massich <[email protected]>
+#
+# License: BSD Style.
+
+from mayavi import mlab
+import os.path as op
+
+import mne
+from mne.channels.montage import get_builtin_montages
+from mne.viz import plot_alignment
+
+# print(__doc__)
+
+subjects_dir = op.join(mne.datasets.sample.data_path(), 'subjects')
+
+###############################################################################
+# check all montages
+#
+
+fix_units = {'EGI_256': 'cm', 'GSN-HydroCel-128': 'cm',
+             'GSN-HydroCel-129': 'cm', 'GSN-HydroCel-256': 'cm',
+             'GSN-HydroCel-257': 'cm', 'GSN-HydroCel-32': 'cm',
+             'GSN-HydroCel-64_1.0': 'cm', 'GSN-HydroCel-65_1.0': 'cm',
+             'biosemi128': 'mm', 'biosemi16': 'mm', 'biosemi160': 'mm',
+             'biosemi256': 'mm', 'biosemi32': 'mm', 'biosemi64': 'mm',
+             'easycap-M1': 'mm', 'easycap-M10': 'mm',
+             'mgh60': 'm', 'mgh70': 'm',
+             'standard_1005': 'm', 'standard_1020': 'm',
+             'standard_alphabetic': 'm',
+             'standard_postfixed': 'm',
+             'standard_prefixed': 'm',
+             'standard_primed': 'm'}
+
+###############################################################################
+# check all montages
+#
+
+for current_montage in get_builtin_montages():
+    montage = mne.channels.read_montage(current_montage,
+                                        unit=fix_units[current_montage],
+                                        transform=False)
+
+    info = mne.create_info(ch_names=montage.ch_names,
+                           sfreq=1,
+                           ch_types='eeg',
+                           montage=montage)
+
+    fig = plot_alignment(info, trans=None,
+                         subject='fsaverage',
+                         subjects_dir=subjects_dir,
+                         eeg=['original', 'projected'],
+                         )
+    mlab.view(135, 80)
+    mlab.title(montage.kind, figure=fig)

mne/datasets/utils.py

@@ -252,7 +252,7 @@ def _data_path(path=None, force_update=False, update_path=True, download=True,
              'datasets/foo.tgz',
         misc='https://codeload.github.com/mne-tools/mne-misc-data/'
              'tar.gz/%s' % releases['misc'],
-        sample="https://osf.io/86qa2/download",
+        sample="https://osf.io/j4ms3/download",
         somato='https://osf.io/tp4sg/download',
         spm='https://osf.io/je4s8/download',
         testing='https://codeload.github.com/mne-tools/mne-testing-data/'