return channel index list
[usage]
ch_idx = vb_eeginfo_get_channel_index(eeginfo, active_swt)
[input]
eeginfo : <required> <<struct>> EEGinfo
active_swt : <optional> <<boolean>> active filter switch [false]
[output]
ch_idx : [Nch x 1] channel index list
result : <<integer>> error code
: 0) success
: 1) error - bad eeginfo
[note]
channel index is kept in .ChannelID field of EEGinfo
[history]
2008-04-16 (Sako) initial version
Copyright (C) 2011, ATR All Rights Reserved.
License : New BSD License(see VBMEG_LICENSE.txt)0001 function [ch_idx, result] = vb_eeginfo_get_channel_index(eeginfo, active_swt) 0002 % return channel index list 0003 % [usage] 0004 % ch_idx = vb_eeginfo_get_channel_index(eeginfo, active_swt) 0005 % [input] 0006 % eeginfo : <required> <<struct>> EEGinfo 0007 % active_swt : <optional> <<boolean>> active filter switch [false] 0008 % [output] 0009 % ch_idx : [Nch x 1] channel index list 0010 % result : <<integer>> error code 0011 % : 0) success 0012 % : 1) error - bad eeginfo 0013 % [note] 0014 % channel index is kept in .ChannelID field of EEGinfo 0015 % [history] 0016 % 2008-04-16 (Sako) initial version 0017 % 0018 % Copyright (C) 2011, ATR All Rights Reserved. 0019 % License : New BSD License(see VBMEG_LICENSE.txt) 0020 0021 % --- CHECK ARGUMENTS --- % 0022 if ~exist('eeginfo', 'var'), eeginfo = []; end 0023 if ~exist('active_swt', 'var'), active_swt = []; end 0024 [eeginfo, active_swt, result] = inner_check_arguments(eeginfo, active_swt); 0025 0026 % --- MAIN PROCEDURE --------------------------------------------------------- % 0027 % 0028 if result ~= 0 0029 ch_idx = []; 0030 return; 0031 end 0032 0033 if isfield(eeginfo, 'ChannelID') 0034 ch_idx = eeginfo.ChannelID; 0035 else 0036 fprintf('(%s)cannot find ChannelID field\n', mfilename); 0037 result = 1; 0038 ch_idx = []; 0039 return; 0040 end 0041 0042 if active_swt 0043 if ~vb_info_active_channel_is_valid(eeginfo) 0044 return; 0045 end 0046 active_list = vb_info_get_active_channel(eeginfo); 0047 ch_idx = ch_idx(active_list == 1); 0048 end 0049 return; 0050 % 0051 % --- END OF MAIN PROCEDURE -------------------------------------------------- % 0052 0053 0054 % --- INNER FUNCTIONS -------------------------------------------------------- % 0055 % 0056 % --- inner_check_arguments() 0057 % 0058 function [eeginfo, active_swt, result] = ... 0059 inner_check_arguments(eeginfo, active_swt) 0060 func_ = mfilename; 0061 result = 0; % success 0062 0063 if isempty(eeginfo) 0064 fprintf('(%s)eeginfo is a required parameter\n', func_); 0065 result = 1; 0066 return; 0067 end 0068 0069 if isempty(active_swt) 0070 active_swt = false; 0071 end 0072 return; 0073 % 0074 % --- end of inner_check_arguments() 0075 % 0076 % --- END OF INNER FUNCTIONS ------------------------------------------------- % 0077 0078 %%% END OF FILE %%%