--- a
+++ b/functions/@mmo/subsref.m
@@ -0,0 +1,93 @@
+% SUBSREF - index eegdata class
+%
+% Author: Arnaud Delorme, SCCN, INC, UCSD, Nov. 2008
+
+% Copyright (C) 2008 Arnaud Delorme, SCCN, INC, UCSD
+%
+% This file is part of EEGLAB, see http://www.eeglab.org
+% for the documentation and details.
+%
+% Redistribution and use in source and binary forms, with or without
+% modification, are permitted provided that the following conditions are met:
+%
+% 1. Redistributions of source code must retain the above copyright notice,
+% this list of conditions and the following disclaimer.
+%
+% 2. Redistributions in binary form must reproduce the above copyright notice,
+% this list of conditions and the following disclaimer in the documentation
+% and/or other materials provided with the distribution.
+%
+% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+% THE POSSIBILITY OF SUCH DAMAGE.
+
+function res = subsref(obj,s)
+
+    if strcmpi(s(1).type, '.')
+        res = builtin('subsref', obj, s);
+        return;
+    end
+    
+    tmpMMO = memmapfile(obj.dataFile, 'writable', obj.writable, 'format', { 'single' obj.dimensions 'x' });
+
+    subs = s(1).subs;
+    finaldim = cellfun('length', subs);
+    
+    % one dimension input
+    % -------------------
+    if length(s) > 1 || ~strcmpi(s(1).type, '()')
+        error('MMO can only map single array data files');
+    end
+    
+    % deal with transposed data
+    % -------------------------
+    if obj.transposed, s = transposeindices(obj, s); end
+
+    % convert : to real sizes
+    % -----------------------
+    lastdim = length(subs);
+    if ischar(subs{end}) && ndims(obj) > lastdim
+        for index = lastdim+1:ndims(obj)
+            if index > length(obj.dimensions)
+                subs{index} = 1;
+            else
+                subs{index} = [1:obj.dimensions(index)]; 
+            end
+        end
+    end
+    for index = 1:length(subs)
+        if ischar(subs{index}) % can only be ":"
+            if index > length(obj.dimensions)
+                subs{index} = 1;
+            else
+                subs{index} = [1:obj.dimensions(index)]; 
+            end
+        end
+    end
+    finaldim = cellfun(@length, subs);
+    finaldim(lastdim) = prod(finaldim(lastdim:end));
+    finaldim(lastdim+1:end) = [];
+
+    % non-transposed data
+    % -------------------
+    res = tmpMMO.data.x(subs{:});
+    if length(finaldim) == 1, finaldim(2) = 1; end
+    res = reshape(res, finaldim);
+    if obj.transposed
+        if finaldim(end) == 1, finaldim(end) = []; end
+        if length(finaldim) <= 2, res = res';
+        else
+            res = reshape(res, [finaldim(1)*finaldim(2) finaldim(3)])';
+            res = reshape(res, [finaldim(3) finaldim(1) finaldim(2)]);
+        end
+    end
+    
+