EXA: add Brain.save_movie() example

Author: christianbrodbeck

examples/save_movie.py

@@ -0,0 +1,55 @@
+"""
+Create movie from  MEG inverse solution
+=======================================
+
+Data were computed using mne-python (http://martinos.org/mne)
+
+"""
+print __doc__
+
+import os
+import numpy as np
+
+from surfer import Brain
+from surfer.io import read_stc
+
+"""
+create Brain object for visualization
+"""
+brain = Brain('fsaverage', 'split', 'inflated',
+              config_opts=dict(width=800, height=400))
+
+"""
+read MNE dSPM inverse solution
+"""
+for hemi in ['lh', 'rh']:
+    stc_fname = os.path.join('example_data',
+                             'meg_source_estimate-' + hemi + '.stc')
+    stc = read_stc(stc_fname)
+    data = stc['data']
+
+    """
+    time points in milliseconds
+    """
+    time = 1e3 * np.linspace(stc['tmin'],
+                             stc['tmin'] + data.shape[1] * stc['tstep'],
+                             data.shape[1])
+
+    brain.add_data(data, colormap='hot', vertices=stc['vertices'],
+                   smoothing_steps=10, time=time, time_label='time=%0.2f ms',
+                   hemi=hemi)
+
+"""
+scale colormap
+"""
+brain.scale_data_colormap(fmin=13, fmid=18, fmax=22, transparent=True)
+
+"""
+Save movies with different combinations of views
+"""
+brain.save_movie('example_current.mov')
+brain.save_movie('example_single.mov', montage='single')
+brain.save_movie('example_h.mov', montage=['lat', 'med'], orientation='h')
+brain.save_movie('example_v.mov', montage=[['lat'], ['med']])
+
+brain.close()