mne_find_source_space_hemi.m
2cb18aae5832master

mne_find_source_space_hemi.m
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			function [hemi] = mne_find_source_space_hemi(src)
			%
			% 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
			%

			%
			%
			% Author : Matti Hamalainen, MGH Martinos Center
			% License : BSD 3-clause
			%
			% Revision 1.2 2006/09/25 19:48:16 msh
			% Added projection item kinds to fiff_define_constants
			% Changed some fields to int32 in surface structures
			%
			% Revision 1.1 2006/05/05 03:50:40 msh
			% Added routines to compute L2-norm inverse solutions.
			% Added mne_write_inverse_sol_stc to write them in stc files
			% Several bug fixes in other files
			%
			%

			me='MNE:mne_find_source_space_hemi';

			global FIFF;
			if isempty(FIFF)
			FIFF = fiff_define_constants();
			end

			if nargin ~= 1
			error(me,'Incorrect number of arguments');
			end

			xave = sum(src.rr(:,1));

			if xave < 0
			hemi = int32(FIFF.FIFFV_MNE_SURF_LEFT_HEMI);
			else
			hemi = int32(FIFF.FIFFV_MNE_SURF_RIGHT_HEMI);
			end

			return;