Home > vbmeg > functions > device > eeg > vb_eegfile_load_internal_data.m

vb_eegfile_load_internal_data

PURPOSE ^

return eeg data which is saved as an internal parameter in EEG-MAT file

SYNOPSIS ^

function eegdata = vb_eegfile_load_internal_data(eegfile)

DESCRIPTION ^

 return eeg data which is saved as an internal parameter in EEG-MAT file
 [usage]
   eeg_data = vb_eegfile_load_internal_data(eegfile)
 [input]
   eegfile : <required> <<file>> EEG-MAT file
 [output]
   eegdata : EEG data [Nchannel x Nsample x Ntrial]
 [note]

 [history]
   2008-02-29 (Sako) initial version

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

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SUBFUNCTIONS ^

SOURCE CODE ^

0001 function eegdata = vb_eegfile_load_internal_data(eegfile)
0002 % return eeg data which is saved as an internal parameter in EEG-MAT file
0003 % [usage]
0004 %   eeg_data = vb_eegfile_load_internal_data(eegfile)
0005 % [input]
0006 %   eegfile : <required> <<file>> EEG-MAT file
0007 % [output]
0008 %   eegdata : EEG data [Nchannel x Nsample x Ntrial]
0009 % [note]
0010 %
0011 % [history]
0012 %   2008-02-29 (Sako) initial version
0013 %
0014 % Copyright (C) 2011, ATR All Rights Reserved.
0015 % License : New BSD License(see VBMEG_LICENSE.txt)
0016 
0017 % --- CHECK ARGUMENTS --- %
0018 if ~exist('eegfile', 'var'), eegfile = ''; end
0019 [eegfile] = inner_check_arguments(eegfile);
0020 
0021 % --- MAIN PROCEDURE --------------------------------------------------------- %
0022 %
0023 eeg = load(eegfile);
0024 if isfield(eeg, 'eeg_data')
0025   eegdata = eeg.eeg_data;
0026 else
0027   eegdata = [];
0028 end
0029 return;
0030 %
0031 % --- END OF MAIN PROCEDURE -------------------------------------------------- %
0032 
0033 
0034 % --- INNER FUNCTIONS -------------------------------------------------------- %
0035 %
0036 % --- inner_check_arguments()
0037 %
0038 function [eegfile] = inner_check_arguments(eegfile)
0039 func_ = mfilename;
0040 if isempty(eegfile)
0041   error('(%s)eegfile is a required parameter', func_);
0042 end
0043 
0044 if exist(eegfile, 'file') ~= 2
0045   error('(%s)cannot find eegfile: %s', func_, eegfile);
0046 end
0047 return;
0048 %
0049 % --- end of inner_check_arguments()
0050 %
0051 % --- END OF INNER FUNCTIONS ------------------------------------------------- %
0052 
0053 %%% END OF FILE %%%

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