def map_meg_loocv_channels(inst,
pick_from,
pick_to,
self_dots=None,
cross_dots=None,
mode='fast'):
from mne.io.pick import pick_info
from mne.forward._lead_dots import _do_self_dots, _do_cross_dots
from mne.forward._make_forward import _create_meg_coils, _read_coil_defs
from mne.forward._field_interpolation import _setup_dots
from mne.forward._field_interpolation import _compute_mapping_matrix
from mne.bem import _check_origin
info_from = pick_info(inst.info, pick_from, copy=True)
info_to = pick_info(inst.info, pick_to, copy=True)
# no need to apply trans because both from and to coils are in device
# coordinates
templates = _read_coil_defs(verbose=False)
coils_from = _create_meg_coils(info_from['chs'], 'normal',
info_from['dev_head_t'], templates)
coils_to = _create_meg_coils(info_to['chs'], 'normal',
info_to['dev_head_t'], templates)
miss = 1e-4 # Smoothing criterion for MEG
int_rad, noise, lut_fun, n_fact = _setup_dots(mode, coils_from, 'meg')
my_origin = _check_origin((0., 0., 0.04), info_from)
if self_dots is None:
self_dots = _do_self_dots(int_rad,
False,
coils_from,
my_origin,
'meg',
lut_fun,
n_fact,
n_jobs=1)
if cross_dots is None:
cross_dots = _do_cross_dots(int_rad, False, coils_from, coils_to,
my_origin, 'meg', lut_fun, n_fact).T
ch_names = [c['ch_name'] for c in info_from['chs']]
fmd = dict(kind='meg',
ch_names=ch_names,
origin=my_origin,
noise=noise,
self_dots=self_dots,
surface_dots=cross_dots,
int_rad=int_rad,
miss=miss)
fmd['data'] = _compute_mapping_matrix(fmd, info_from)
return fmd['data'], self_dots, cross_dots
def _compute_dots(info, mode='fast'):
"""Compute all-to-all dots."""
templates = _read_coil_defs()
coils = _create_meg_coils(info['chs'], 'normal', info['dev_head_t'],
templates)
my_origin = _check_origin((0., 0., 0.04), info_from)
int_rad, noise, lut_fun, n_fact = _setup_dots(mode, coils, 'meg')
self_dots = _do_self_dots(int_rad, False, coils, my_origin, 'meg',
lut_fun, n_fact, n_jobs=1)
cross_dots = _do_cross_dots(int_rad, False, coils, coils,
my_origin, 'meg', lut_fun, n_fact).T
return self_dots, cross_dots
def _compute_dots(info, mode='fast'):
"""Compute all-to-all dots.
"""
templates = _read_coil_defs()
coils = _create_meg_coils(info['chs'], 'normal', info['dev_head_t'],
templates)
my_origin = _check_origin((0., 0., 0.04), info_from)
int_rad, noise, lut_fun, n_fact = _setup_dots(mode, coils, 'meg')
self_dots = _do_self_dots(int_rad, False, coils, my_origin, 'meg',
lut_fun, n_fact, n_jobs=1)
cross_dots = _do_cross_dots(int_rad, False, coils, coils,
my_origin, 'meg', lut_fun, n_fact).T
return self_dots, cross_dots
def _compute_dots(info, mode='fast'):
"""Compute all-to-all dots."""
from mne.forward._field_interpolation import _setup_dots
from mne.forward._lead_dots import _do_self_dots, _do_cross_dots
from mne.forward._make_forward import _create_meg_coils, _read_coil_defs
from mne.bem import _check_origin
templates = _read_coil_defs()
coils = _create_meg_coils(info['chs'], 'normal', info['dev_head_t'],
templates)
my_origin = _check_origin((0., 0., 0.04), info)
int_rad, noise, lut_fun, n_fact = _setup_dots(mode, coils, 'meg')
self_dots = _do_self_dots(int_rad, False, coils, my_origin, 'meg',
lut_fun, n_fact, n_jobs=1)
cross_dots = _do_cross_dots(int_rad, False, coils, coils,
my_origin, 'meg', lut_fun, n_fact).T
return self_dots, cross_dots
def _compute_dots(info, mode='fast'):
"""Compute all-to-all dots."""
from mne.forward._field_interpolation import _setup_dots
from mne.forward._lead_dots import _do_self_dots, _do_cross_dots
from mne.forward._make_forward import _create_meg_coils, _read_coil_defs
from mne.bem import _check_origin
templates = _read_coil_defs()
coils = _create_meg_coils(info['chs'], 'normal', info['dev_head_t'],
templates)
my_origin = _check_origin((0., 0., 0.04), info)
int_rad, noise, lut_fun, n_fact = _setup_dots(mode, coils, 'meg')
self_dots = _do_self_dots(int_rad, False, coils, my_origin, 'meg',
lut_fun, n_fact, n_jobs=1)
cross_dots = _do_cross_dots(int_rad, False, coils, coils,
my_origin, 'meg', lut_fun, n_fact).T
return self_dots, cross_dots
def map_meg_loocv_channels(inst, pick_from, pick_to, self_dots=None,
cross_dots=None, mode='fast'):
from mne.io.pick import pick_info
from mne.forward._lead_dots import _do_self_dots, _do_cross_dots
from mne.forward._make_forward import _create_meg_coils, _read_coil_defs
from mne.forward._field_interpolation import _setup_dots
from mne.forward._field_interpolation import _compute_mapping_matrix
from mne.bem import _check_origin
info_from = pick_info(inst.info, pick_from, copy=True)
info_to = pick_info(inst.info, pick_to, copy=True)
# no need to apply trans because both from and to coils are in device
# coordinates
templates = _read_coil_defs(verbose=False)
coils_from = _create_meg_coils(info_from['chs'], 'normal',
info_from['dev_head_t'], templates)
coils_to = _create_meg_coils(info_to['chs'], 'normal',
info_to['dev_head_t'], templates)
miss = 1e-4 # Smoothing criterion for MEG
int_rad, noise, lut_fun, n_fact = _setup_dots(mode, coils_from, 'meg')
my_origin = _check_origin((0., 0., 0.04), info_from)
if self_dots is None:
self_dots = _do_self_dots(int_rad, False, coils_from, my_origin, 'meg',
lut_fun, n_fact, n_jobs=1)
if cross_dots is None:
cross_dots = _do_cross_dots(int_rad, False, coils_from, coils_to,
my_origin, 'meg', lut_fun, n_fact).T
ch_names = [c['ch_name'] for c in info_from['chs']]
fmd = dict(kind='meg', ch_names=ch_names,
origin=my_origin, noise=noise, self_dots=self_dots,
surface_dots=cross_dots, int_rad=int_rad, miss=miss)
fmd['data'] = _compute_mapping_matrix(fmd, info_from)
return fmd['data'], self_dots, cross_dots
