function mne_find_source_space_hemi(src) Return the hemisphere id for a source space src - The source space to investigate hemi - Deduced hemisphere id
0001 function [hemi] = mne_find_source_space_hemi(src) 0002 % 0003 % function mne_find_source_space_hemi(src) 0004 % 0005 % Return the hemisphere id for a source space 0006 % 0007 % src - The source space to investigate 0008 % hemi - Deduced hemisphere id 0009 % 0010 0011 % 0012 % 0013 % Author : Matti Hamalainen, MGH Martinos Center 0014 % License : BSD 3-clause 0015 % 0016 % Revision 1.2 2006/09/25 19:48:16 msh 0017 % Added projection item kinds to fiff_define_constants 0018 % Changed some fields to int32 in surface structures 0019 % 0020 % Revision 1.1 2006/05/05 03:50:40 msh 0021 % Added routines to compute L2-norm inverse solutions. 0022 % Added mne_write_inverse_sol_stc to write them in stc files 0023 % Several bug fixes in other files 0024 % 0025 % 0026 0027 me='MNE:mne_find_source_space_hemi'; 0028 0029 global FIFF; 0030 if isempty(FIFF) 0031 FIFF = fiff_define_constants(); 0032 end 0033 0034 if nargin ~= 1 0035 error(me,'Incorrect number of arguments'); 0036 end 0037 0038 xave = sum(src.rr(:,1)); 0039 0040 if xave < 0 0041 hemi = int32(FIFF.FIFFV_MNE_SURF_LEFT_HEMI); 0042 else 0043 hemi = int32(FIFF.FIFFV_MNE_SURF_RIGHT_HEMI); 0044 end 0045 0046 return; 0047