change pointer to watch when draw map

tsg_util/plot_map.m

@@ -25,6 +25,12 @@ function plot_map(hTsgGUI, hPlotAxes)
 % -------------------------------
 tsg = getappdata( hTsgGUI, 'tsg_data');
 
+% save pointer and change it to watch
+% -----------------------------------
+pointer = get(hTsgGUI, 'pointer');
+set(hTsgGUI, 'pointer', 'watch');
+set(get(hPlotAxes(4), 'parent'), 'pointer', 'watch');
+
 % Retrieve map border
 % --------------------
 border = tsg.preference.map_border;
@@ -204,5 +210,10 @@ if ~isempty( ind )
   % ------------------
   setappdata( hTsgGUI, 'tsg_data', tsg);
   
+  % restore pointer
+  % ---------------
+  set(hTsgGUI, 'pointer', pointer);
+  set(get(hPlotAxes(4), 'parent'), 'pointer', pointer);
+  
 end