vb_tag_add_trial_index

 Add trial index to tag object.
 [USAGE]
    [tag_obj] = vb_tag_add_trial_index(tag_obj, ix);
 [IN]
    ix : index of trial data(which is stored in vb_trial_extractor object) [Nx1]
 [OUT]
   tag_obj : updated tag object.

 Copyright (C) 2011, ATR All Rights Reserved.
 License : New BSD License(see VBMEG_LICENSE.txt)

0001 function [tag_obj] = vb_tag_add_trial_index(tag_obj, ix)
0002 % Add trial index to tag object.
0003 % [USAGE]
0004 %    [tag_obj] = vb_tag_add_trial_index(tag_obj, ix);
0005 % [IN]
0006 %    ix : index of trial data(which is stored in vb_trial_extractor object) [Nx1]
0007 % [OUT]
0008 %   tag_obj : updated tag object.
0009 %
0010 % Copyright (C) 2011, ATR All Rights Reserved.
0011 % License : New BSD License(see VBMEG_LICENSE.txt)
0012 
0013 %
0014 % --- Previous check
0015 %
0016 if ~exist('tag_obj', 'var')
0017     error('tag_obj is a required parameter.');
0018 end
0019 if ~exist('ix', 'var')
0020     error('ix is a required parameter.');
0021 end
0022 
0023 if size(ix, 2) ~= 1
0024     error('The shape of index should be [Nx1]');
0025 end
0026 
0027 
0028 %
0029 % --- Main Procedure
0030 %
0031 tag_obj.trial_ix = [tag_obj.trial_ix; ix];
0032 
0033 %
0034 % --- After check
0035 %
0036 if nargout ~= 1
0037     error('function caller should receive tag_obj.');
0038 end