return number of sensor
[usage]
[Nch] = vb_eeginfo_get_sensor_number(eeginfo, active_swt)
[input]
eeginfo : <required> <<struct>> EEGinfo which includes Coord
active_swt : <optional> <<boolean>> [false]
: switch to return whether all the channels or only active
: true) only active channels
: false) all the channels
[output]
Nch : number of used channels
[note]
[history]
2008-05-01 (Sako) initial version
Copyright (C) 2011, ATR All Rights Reserved.
License : New BSD License(see VBMEG_LICENSE.txt)0001 function [Nch] = vb_eeginfo_get_sensor_number(eeginfo, active_swt) 0002 % return number of sensor 0003 % [usage] 0004 % [Nch] = vb_eeginfo_get_sensor_number(eeginfo, active_swt) 0005 % [input] 0006 % eeginfo : <required> <<struct>> EEGinfo which includes Coord 0007 % active_swt : <optional> <<boolean>> [false] 0008 % : switch to return whether all the channels or only active 0009 % : true) only active channels 0010 % : false) all the channels 0011 % [output] 0012 % Nch : number of used channels 0013 % [note] 0014 % 0015 % [history] 0016 % 2008-05-01 (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] = inner_check_arguments(eeginfo, active_swt); 0025 0026 % --- MAIN PROCEDURE --------------------------------------------------------- % 0027 % 0028 sensor_pos = vb_eeginfo_get_sensor_position(eeginfo, active_swt); 0029 Nch = size(sensor_pos, 1); 0030 return; 0031 % 0032 % --- END OF MAIN PROCEDURE -------------------------------------------------- % 0033 0034 % --- INNER FUNCTIONS -------------------------------------------------------- % 0035 % 0036 % --- inner_check_arguments() 0037 % 0038 function [eeginfo, active_swt] = inner_check_arguments(eeginfo, active_swt) 0039 func_ = mfilename; 0040 if isempty(eeginfo) 0041 error('(%s)eeginfo is a required parameter', func_); 0042 end 0043 0044 if ~isfield(eeginfo, 'Coord') 0045 eeginfo.Coord = []; 0046 end 0047 0048 if isempty(active_swt) 0049 active_swt = false; 0050 end 0051 % 0052 % --- end of inner_check_arguments() 0053 % 0054 % --- END OF INNER FUNCTIONS ------------------------------------------------- % 0055 0056 %%% END OF FILE %%%