vb_get_keyset_area

 This function is used to get the set of cortical area IDs. 

 --- Syntax
 keyset = vb_get_keyset_area(areafile)

 --- Input
 areafile: Cortical area file (.area.mat). 

 --- Optional input

 --- Output
 keyset{i}: Set of IDs of cortical areas. 

 --- Example
 >> areafile = './TY/data/TY.area.mat';
 >> key = vb_get_keyset_area(area);

 --- History
 2004-10-09 Taku Yoshioka

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

0001 function keyset = vb_get_keyset_area(areafile)
0002 % This function is used to get the set of cortical area IDs.
0003 %
0004 % --- Syntax
0005 % keyset = vb_get_keyset_area(areafile)
0006 %
0007 % --- Input
0008 % areafile: Cortical area file (.area.mat).
0009 %
0010 % --- Optional input
0011 %
0012 % --- Output
0013 % keyset{i}: Set of IDs of cortical areas.
0014 %
0015 % --- Example
0016 % >> areafile = './TY/data/TY.area.mat';
0017 % >> key = vb_get_keyset_area(area);
0018 %
0019 % --- History
0020 % 2004-10-09 Taku Yoshioka
0021 %
0022 % Copyright (C) 2011, ATR All Rights Reserved.
0023 % License : New BSD License(see VBMEG_LICENSE.txt)
0024 
0025 if exist(areafile) ~= 2
0026   error('Area data file is not found.');
0027   keyset = [];
0028 else
0029   load(areafile,'Area')
0030   keyset = cell(length(Area),1);
0031   for i = 1:length(Area)
0032     keyset{i} = Area{i}.key;
0033   end
0034 end