diff --git a/tsgqc.m b/tsgqc.m
index 8e935e249edb215498e291fa1df87af17eeb30cb..43c4a1d33c6578aef574103ed9c223e4f72f81b2 100644
--- a/tsgqc.m
+++ b/tsgqc.m
@@ -38,9 +38,9 @@ global GOSUD_FORMAT_VERSION
 % version number, may be used to initialize some files when it change
 % 0.90x -> 1.0RCx
 % -------------------------------------------------------------------
-VERSION      = 1.481;  % -> 1.44
-CHAR_VERSION = '1.48.1';
-DATE_VERSION = '29/05/2018';
+VERSION      = 1.482;  % -> 1.44
+CHAR_VERSION = '1.48.2';
+DATE_VERSION = '18/06/2018';
 
 % netcdf file version, see DATA FORMAT TSG document:
 % CORTSG_format_gosud.doc
@@ -1333,7 +1333,7 @@ hrbInterpCancel = uicontrol( ...
         
         % update the filename display
         % ---------------------------
-        set( hInfoFileText, 'String', strcat(tsg.file.name, tsg.file.ext));
+        set( hInfoFileText, 'String', fileName);
         
         % The callback to detect the mouse motion can be set to on
         % --------------------------------------------------------
@@ -2128,9 +2128,9 @@ hrbInterpCancel = uicontrol( ...
       
       % Selection of the data within the figure
       % ---------------------------------------
-      point1    = get(gca,'CurrentPoint');    % button down detected
-      finalRect = rbbox;                      % return figure units
-      point2    = get(gca,'CurrentPoint');    % button up detected
+      point1    = get(gcbo,'CurrentPoint');    % button down detected
+      rbbox;                      % Create rubberband box for area selection
+      point2    = get(gcbo,'CurrentPoint');    % button up detected
       
       point1 = point1(1,1:2);                 % extract x and y
       point2 = point2(1,1:2);
@@ -2138,6 +2138,14 @@ hrbInterpCancel = uicontrol( ...
       p1 = min(point1,point2);
       p2 = max(point1,point2);                % calculate locations
       
+      if p1 == p2
+        %disp('p1 == p2');
+        return
+      end
+      
+%       fprintf(1, 'p1: %f %f size = %d\n', p1,  length(p1));
+%       fprintf(1, 'p2: %f %f size = %d\n', p2,  length(p2));
+      
       % The following code is only executed if the left mouse button is clicked.
       % If the right mouse button is clicked, this code must not be
       % executed as the variable 'ind' will be emptied. And this variable
@@ -3553,7 +3561,7 @@ hrbInterpCancel = uicontrol( ...
       
       % update the display
       % ------------------
-      set( hInfoFileText, 'String', strcat(tsg.file.name, tsg.file.ext));
+      set( hInfoFileText, 'String', fileName);
       
       % enable Quality Control mode
       % ---------------------------