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FPVSWORD_SensitivityMaps.py
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FPVSWORD_SensitivityMaps.py
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#!/imaging/local/software/mne_python/mne1.4.0_1/bin/python
"""
=========================================================
Make and plot sensitivity maps for FPVS.
Saving figures doesn't work on cluster yet.
run FPVS_SensitivityMaps.py <config.do_subjs>
=========================================================
"""
from time import sleep
import os
# needed to run on SLURM
# os.environ['QT_QPA_PLATFORM'] = 'offscreen'
sleep(1)
print('00\n')
import sys
from os import path as op
from copy import deepcopy
import numpy as np
# print('0a')
# from xvfbwrapper import Xvfb
# vdisplay = Xvfb(width=1920, height=1080)
# vdisplay.start()
# print('0')
# from mayavi import mlab
# mlab.options.offscreen = True
# print('0a')
# import matplotlib
# matplotlib.use('Agg') # possibly for running on cluster
from importlib import reload
from time import sleep
import mne
import config_fpvswords as config
reload(config)
# whether to morph the STCs or not
do_morph = 0
subjects_dir = config.subjects_dir
# where figures will be written to
bem_dir = '/imaging/hauk/users/olaf/FPVS2/MRI/BEM_figs'
ch_types = ['grad', 'mag', 'eeg']
print('1')
def run_make_sensitivity_maps(sbj_id):
"""Compute sensitivity maps for one subject.
Plot to figure.
Return dictionary with STCs for ch_types.
"""
subject = config.mri_subjects[sbj_id]
if subject == '':
print('No subject name for MRI specified - doing nothing now.')
return
print('Making Forward Solution for %s.' % subject)
sbj_path = op.join(config.data_path, config.map_subjects[sbj_id][0])
fwd_fname = op.join(sbj_path, subject + '_EEGMEG-fwd.fif')
print('Reading forward solution: %s.' % fwd_fname)
fwd_eegmeg = mne.read_forward_solution(fwd_fname)
maps = {} # will contains STCs
for ch_type in ch_types:
# channel types will be picked
fwd = deepcopy(fwd_eegmeg)
print('2')
maps[ch_type] = mne.sensitivity_map(fwd=fwd, ch_type=ch_type, mode='free')
if do_morph:
print('3')
# morph STCs for group averaging
print('Computing morphing matrix.')
morph_mat = mne.compute_source_morph(src=maps[ch_type], subject_from=subject,
subject_to='fsaverage', subjects_dir=subjects_dir)
map_morph = morph_mat.apply(maps[ch_type])
map_fname = op.join(sbj_path, subject + '_SM_mph_%s.stc' % ch_type)
print('Saving morphed sensitivity map to %s.' % map_fname)
map_morph.save(map_fname, overwrite=True)
return maps
# get all input arguments except first
if len(sys.argv) == 1:
sbj_ids = config.do_subjs
else:
# get list of subjects IDs to process
sbj_ids = [int(aa) for aa in sys.argv[1:]]
for ss in sbj_ids:
# dictionary for different channel types
maps = run_make_sensitivity_maps(ss)
subject = config.mri_subjects[ss]
# channel types for which plotted sensitivity maps
for ch_type in ch_types:
time_label = '%s sensitivity' % ch_type
print('4')
fig = maps[ch_type].plot(time_label=time_label, subjects_dir=subjects_dir,
clim=dict(kind='percent', lims=[0, 50, 100]))
fig.show_view('lateral')
fig_fname = op.join(bem_dir, subject + '_SM_%s.jpg' % ch_type)
print('Saving figure to %s' % fig_fname)
fig.save_image(fig_fname)
fig.close()
print('Done.')