Plot the ship track using SSPS quality code in descending order.

tsg_util/plot_map.m

@@ -122,8 +122,9 @@ if ~isempty( ind )
 
   % Plot Sample/TSG differences on axe 2
   % iterate (loop) on each key store inside hastable
+  % Iterate from the end of the cell array : fliplr
   % ------------------------------------------------
-  for key = qc_list
+  for key = fliplr( qc_list )
 
     % get  some values in hashtable
     % -----------------------------