<getter> return index list of extra channel (except for reference channel)
[usage]
[idx, result] = vb_meginfo_get_channel_index_extra(meg_info, ...
ex_type, ch_name, active_swt, ref_swt)
[input]
meg_info : <required> <<struct>> MEGinfo
: which is expected to have ExtraChannelInfo
ex_type : <optional> extra channel type [1] | 0 | -1 | -2 | -3 | -4
: - YOKOGAWA definition
: [1]) all channel
: 0 ) Null Channel
: -1 ) Trigger Channel
: -2 ) Eeg Channel
: -3 ) Ecg Channel
: -4 ) Etc Channel
: this has priority over ch_name
ch_name : <optional> {Nch x 1 cell} channel name list ['']
: if this is not empty and ex_type is empty,
: return specified index of original
active_swt : <optional> <<boolean>> active filter switch [false]
: true) filter active channels
: false) all the channels
ref_swt : <optinal> <<boolean>> switch to include reference channels
: true ) include
: [false]) not include
[output]
idx : index list of channels [N x 1]
result : <<integer>> error code
: 0) success
: 1) error - bad meginfo
[note]
for only YOKOGAWA now
if device is not YOKOGAWA, return index of all channel
[history]
2007-06-29 (Sako) initial version
2008-02-21 (Sako) modified thoroughly according to new specification
2008-04-18 (Sako) added active_swt and result
Copyright (C) 2011, ATR All Rights Reserved.
License : New BSD License(see VBMEG_LICENSE.txt)0001 function [idx, result] = vb_meginfo_get_channel_index_extra(meg_info, ... 0002 ex_type, ch_name, active_swt, ref_swt) 0003 % <getter> return index list of extra channel (except for reference channel) 0004 % [usage] 0005 % [idx, result] = vb_meginfo_get_channel_index_extra(meg_info, ... 0006 % ex_type, ch_name, active_swt, ref_swt) 0007 % [input] 0008 % meg_info : <required> <<struct>> MEGinfo 0009 % : which is expected to have ExtraChannelInfo 0010 % ex_type : <optional> extra channel type [1] | 0 | -1 | -2 | -3 | -4 0011 % : - YOKOGAWA definition 0012 % : [1]) all channel 0013 % : 0 ) Null Channel 0014 % : -1 ) Trigger Channel 0015 % : -2 ) Eeg Channel 0016 % : -3 ) Ecg Channel 0017 % : -4 ) Etc Channel 0018 % : this has priority over ch_name 0019 % ch_name : <optional> {Nch x 1 cell} channel name list [''] 0020 % : if this is not empty and ex_type is empty, 0021 % : return specified index of original 0022 % active_swt : <optional> <<boolean>> active filter switch [false] 0023 % : true) filter active channels 0024 % : false) all the channels 0025 % ref_swt : <optinal> <<boolean>> switch to include reference channels 0026 % : true ) include 0027 % : [false]) not include 0028 % [output] 0029 % idx : index list of channels [N x 1] 0030 % result : <<integer>> error code 0031 % : 0) success 0032 % : 1) error - bad meginfo 0033 % [note] 0034 % for only YOKOGAWA now 0035 % if device is not YOKOGAWA, return index of all channel 0036 % [history] 0037 % 2007-06-29 (Sako) initial version 0038 % 2008-02-21 (Sako) modified thoroughly according to new specification 0039 % 2008-04-18 (Sako) added active_swt and result 0040 % 0041 % Copyright (C) 2011, ATR All Rights Reserved. 0042 % License : New BSD License(see VBMEG_LICENSE.txt) 0043 0044 % --- CHECK ARGUMENTS --- % 0045 if ~exist('meg_info', 'var'), meg_info = []; end 0046 if ~exist('ex_type', 'var'), ex_type = []; end 0047 if ~exist('ch_name', 'var'), ch_name = ''; end 0048 if ~exist('active_swt', 'var'), active_swt = []; end 0049 if ~exist('ref_swt', 'var'), ref_swt = []; end 0050 [meg_info, ex_type, ch_name, active_swt, ref_swt, result] = ... 0051 inner_check_arguments(meg_info, ex_type, ch_name, active_swt, ref_swt); 0052 0053 % --- MAIN PROCEDURE --------------------------------------------------------- % 0054 % 0055 idx = []; 0056 0057 if result ~= 0 0058 return; 0059 end 0060 0061 % include reference channels 0062 all_index = vb_meginfo_get_channel_id_extra(meg_info); 0063 all_types = vb_meginfo_get_channel_type_extra(meg_info); 0064 active_list = vb_meginfo_get_channel_active_extra(meg_info, active_swt); 0065 0066 if isempty(ex_type) && isempty(ch_name) 0067 criterion = bitand((active_list == 1),(all_types <= 0)); 0068 idx = all_index(criterion == 1); 0069 return; 0070 end 0071 0072 if ~isempty(ex_type) 0073 if ex_type == 1 0074 criterion = bitand((active_list == 1),(all_types <= 0)); 0075 idx = all_index(criterion == 1); 0076 else 0077 criterion = bitand((active_list == 1),(all_types == ex_type)); 0078 idx = all_index(criterion == 1); 0079 end 0080 else 0081 % --- select by channel names 0082 % ----- get labels of all the channels 0083 ch_label = vb_meginfo_get_channel_label_extra(meg_info, false, ref_swt); 0084 ch_idx = vb_util_get_index(ch_label, ch_name); 0085 a_list = find(active_list == 1); 0086 alist_idx = vb_util_get_index(a_list, ch_idx); 0087 idx = a_list(alist_idx); 0088 end 0089 return; 0090 % 0091 % --- END OF MAIN PROCEDURE -------------------------------------------------- % 0092 0093 % --- INNER FUNCTIONS -------------------------------------------------------- % 0094 % 0095 % --- inner_check_arguments() 0096 % 0097 function [meg_info, ex_type, ch_name, active_swt, ref_swt, result] = ... 0098 inner_check_arguments(meg_info, ex_type, ch_name, active_swt, ref_swt) 0099 func_ = mfilename; 0100 result = 0; 0101 0102 if isempty(meg_info) 0103 fprintf('(%s)meg_info is a required parameter\n', func_); 0104 result = 1; 0105 return; 0106 end 0107 0108 if ~isfield(meg_info, 'ExtraChannelInfo') 0109 fprintf('(%s)meg_info does not have ExtraChannelInfo field\n', func_); 0110 result = 1; 0111 return; 0112 end 0113 0114 if isempty(ex_type) 0115 if isempty(ch_name) 0116 ex_type = 1; % all channel 0117 end 0118 end 0119 0120 if ~strcmp('YOKOGAWA', vb_meginfo_get_device(meg_info)) 0121 fprintf('(%s)return all the extra channels because of not YOKOGAWA\n', ... 0122 func_); 0123 ex_type = 1; 0124 end 0125 0126 % priority 0127 if ~isempty(ch_name) && ~iscell(ch_name) 0128 ch_name = {ch_name}; 0129 end 0130 0131 if isempty(active_swt) 0132 active_swt = false; 0133 end 0134 0135 if isempty(ref_swt) 0136 ref_swt = false; 0137 end 0138 return; 0139 % 0140 % --- end of inner_check_arguments() 0141 % 0142 % --- END OF INNER FUNCTIONS ------------------------------------------------- % 0143 0144 %%% END OF FILE %%%