Updated channelplot to take an argument to show all channels in one p…

…lot.

channelPlot.m

@@ -7,9 +7,23 @@
     imData{5} = rgb2ntsc(rgb);
     imData{6} = rgb2ycbcr(rgb);
 
-    if nargin > 1
+    if nargin == 2 && ~ischar(varargin{1}) && all(class(varargin{1}) == 'function_handle')
         imData = cellfun(varargin{1}, imData, 'UniformOutput', false);
         names = {'f(rgb)', 'f(hsv)', 'f(lab)', 'f(sqrt(xyz))', 'f(ntsc)', 'f(ycbcr)'};
+    elseif nargin > 1 && strcmp(varargin{end}, 'oneplot')
+        figure;
+        runsum = 1;
+        for ii = length(imData):-1:1
+            data = imData{ii};
+            ch = size(data, 3);
+            for jj = 1:ch
+                subplot(length(imData), 3, runsum)
+                imsc(data(:, :, jj));
+                title(sprintf('%s(%d)', names{ii}, jj))
+                runsum = runsum + 1;
+            end
+        end
+        return
     end
 
     for ii = length(imData):-1:1