def _create_meg_coils(chs, acc, t=None, coilset=None, do_es=False):
 acc = (_accuracy_dict[acc] if isinstance(acc, string_types) else acc)
 coilset = (_read_coil_defs(verbose=False) if (coilset is None) else coilset)
 coils = [_create_meg_coil(coilset, ch, acc, do_es) for ch in chs]
 _transform_orig_meg_coils(coils, t, do_es=do_es)
 return coils

def _create_meg_coils ( chs , acc , t = None , coilset = None , do_es = False ) : acc = ( _accuracy_dict [ acc ] if isinstance ( acc , string_types ) else acc ) coilset = ( _read_coil_defs ( verbose = False ) if ( coilset is None ) else coilset ) coils = [ _create_meg_coil ( coilset , ch , acc , do_es ) for ch in chs ] _transform_orig_meg_coils ( coils , t , do_es = do_es ) return coils
create a set of meg coils in the head coordinate frame .