return active channel index list
[usage]
[idx_list] = vb_info_get_active_channel_index(info, ch_type)
[input]
info : <required> <<struct>> MEGinfo or EEGinfo
ch_type : <optional> <<integer>> channel type [1]
: 1) MEG or EEG channels
: 2) only extra channels
: 3) all channels
[output]
idx_list : [N_activeCh x 1] active channel index list
[note]
@see vb_info_get_active_channel.m
[history]
2008-04-16 (Sako) initial version
2008-06-05 (Sako) added ch_type
Copyright (C) 2011, ATR All Rights Reserved.
License : New BSD License(see VBMEG_LICENSE.txt)0001 function [idx_list] = vb_info_get_active_channel_index(info, ch_type) 0002 % return active channel index list 0003 % [usage] 0004 % [idx_list] = vb_info_get_active_channel_index(info, ch_type) 0005 % [input] 0006 % info : <required> <<struct>> MEGinfo or EEGinfo 0007 % ch_type : <optional> <<integer>> channel type [1] 0008 % : 1) MEG or EEG channels 0009 % : 2) only extra channels 0010 % : 3) all channels 0011 % [output] 0012 % idx_list : [N_activeCh x 1] active channel index list 0013 % [note] 0014 % @see vb_info_get_active_channel.m 0015 % [history] 0016 % 2008-04-16 (Sako) initial version 0017 % 2008-06-05 (Sako) added ch_type 0018 % 0019 % Copyright (C) 2011, ATR All Rights Reserved. 0020 % License : New BSD License(see VBMEG_LICENSE.txt) 0021 0022 % --- CHECK ARGUMENTS --- % 0023 if ~exist('info', 'var'), info = []; end 0024 if ~exist('ch_type', 'var'), ch_type = []; end 0025 [info, ch_type] = inner_check_arguments(info, ch_type); 0026 0027 % --- MAIN PROCEDURE --------------------------------------------------------- % 0028 % 0029 if vb_info_active_channel_is_valid(info) 0030 switch ch_type 0031 case 1 0032 % MEG or EEG channels 0033 active_list = vb_info_get_active_channel(info, 1); 0034 idx_list = find(active_list == 1); 0035 return; 0036 0037 case 2 0038 % only extra channels 0039 active_list = vb_info_get_active_channel(info, 2); 0040 idx_list = info.ExtraChannelInfo.Channel_id(active_list == 1); 0041 return; 0042 0043 case 3 0044 idx_list = ... 0045 [vb_info_get_active_channel_index(info,1); ... 0046 vb_info_get_active_channel_index(info,2)]; 0047 return; 0048 end 0049 end 0050 0051 % --- no ActiveChannel field in info 0052 Measurement = vb_info_get_measurement(info); 0053 switch Measurement 0054 case 'MEG' 0055 % [ch_idx,ch_idx_arg,active_list] = vb_meginfo_get_channel_index_meg(info); 0056 [ch_idx] = vb_meginfo_get_channel_index_meg(info, [], true); 0057 idx_list = ch_idx(active_list == 1); 0058 case 'EEG' 0059 idx_list = vb_eeginfo_get_channel_index(info, true); 0060 return; 0061 end 0062 return; 0063 % 0064 % --- END OF MAIN PROCEDURE -------------------------------------------------- % 0065 0066 % --- INNER FUNCTIONS -------------------------------------------------------- % 0067 % 0068 % --- inner_check_arguments() 0069 % 0070 function [info, ch_type] = inner_check_arguments(info, ch_type) 0071 if isempty(info) 0072 error('(%s)info is a required parameter\n', mfilename); 0073 end 0074 0075 if isempty(ch_type) 0076 ch_type = 1; 0077 elseif ~isnumeric(ch_type) 0078 error('(%s)ch_type must be specify as numeric'); 0079 end 0080 return; 0081 % 0082 % --- end of inner_check_arguments() 0083 % 0084 % --- END OF INNER FUNCTIONS ------------------------------------------------- % 0085 0086 %%% END OF FILE %%%