diff --git a/hurricane/src/hurricane/Interval.cpp b/hurricane/src/hurricane/Interval.cpp
index 8c718b19..a2e1c443 100644
--- a/hurricane/src/hurricane/Interval.cpp
+++ b/hurricane/src/hurricane/Interval.cpp
@@ -202,9 +202,14 @@ Interval& Interval::merge(const DbU::Unit& v)
 Interval& Interval::merge(const Interval& interval)
 // ************************************************
 {
-    if (!interval.isEmpty()) {
-        _vMin = min(_vMin, interval._vMin);
-        _vMax = max(_vMax, interval._vMax);
+    if ( isEmpty() ) {
+        _vMin = interval._vMin;
+        _vMax = interval._vMax;
+    } else {
+        if (!interval.isEmpty()) {
+            _vMin = min(_vMin, interval._vMin);
+            _vMax = max(_vMax, interval._vMax);
+        }
     }
     return *this;
 }
diff --git a/hurricane/src/hurricane/hurricane/CompositeLayers.h b/hurricane/src/hurricane/hurricane/CompositeLayers.h
deleted file mode 100644
index cb3de3cf..00000000
--- a/hurricane/src/hurricane/hurricane/CompositeLayers.h
+++ /dev/null
@@ -1,76 +0,0 @@
-// ****************************************************************************************************
-// File: ./hurricane/CompositeLayers.h
-// Authors: R. Escassut
-// Copyright (c) BULL S.A. 2000-2009, All Rights Reserved
-//
-// This file is part of Hurricane.
-//
-// Hurricane is free software: you can redistribute it  and/or  modify it under the  terms  of the  GNU
-// Lesser General Public License as published by the Free Software Foundation, either version 3 of  the
-// License, or (at your option) any later version.
-//
-// Hurricane is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without  even
-// the implied warranty of MERCHANTABILITY or FITNESS FOR A  PARTICULAR  PURPOSE. See  the  Lesser  GNU
-// General Public License for more details.
-//
-// You should have received a copy of the Lesser GNU General Public License along  with  Hurricane.  If
-// not, see <http://www.gnu.org/licenses/>.
-// ****************************************************************************************************
-
-#ifndef HURRICANE_COMPOSITE_LAYERS
-#define HURRICANE_COMPOSITE_LAYERS
-
-#include "hurricane/Collection.h"
-
-namespace Hurricane {
-
-class CompositeLayer;
-
-
-
-// ****************************************************************************************************
-// CompositeLayers declaration
-// ****************************************************************************************************
-
-typedef GenericCollection<CompositeLayer*> CompositeLayers;
-
-
-
-// ****************************************************************************************************
-// CompositeLayerLocator declaration
-// ****************************************************************************************************
-
-typedef GenericLocator<CompositeLayer*> CompositeLayerLocator;
-
-
-
-// ****************************************************************************************************
-// CompositeLayerFilter declaration
-// ****************************************************************************************************
-
-typedef GenericFilter<CompositeLayer*> CompositeLayerFilter;
-
-
-
-// ****************************************************************************************************
-// for_each_composite_layer declaration
-// ****************************************************************************************************
-
-#define for_each_composite_layer(compositeLayer, compositeLayers)\
-/****************************************************************/\
-{\
-    CompositeLayerLocator _locator = compositeLayers.getLocator();\
-    while (_locator.isValid()) {\
-        CompositeLayer* compositeLayer = _locator.getElement();\
-        _locator.progress();
-
-
-
-} // End of Hurricane namespace.
-
-#endif // HURRICANE_COMPOSITE_LAYERS
-
-
-// ****************************************************************************************************
-// Copyright (c) BULL S.A. 2000-2009, All Rights Reserved
-// ****************************************************************************************************
diff --git a/hurricane/src/hviewer/CellViewer.cpp b/hurricane/src/hviewer/CellViewer.cpp
index 0382c860..dc9d4dbb 100644
--- a/hurricane/src/hviewer/CellViewer.cpp
+++ b/hurricane/src/hviewer/CellViewer.cpp
@@ -23,6 +23,7 @@
 // x-----------------------------------------------------------------x
 
 
+#include  <unistd.h>
 #include  <algorithm>
 
 #include  <QAction>
@@ -457,7 +458,14 @@ namespace Hurricane {
     QImage image ( _cellWidget->width(), _cellWidget->height(), QImage::Format_RGB32 );
     _cellWidget->copyToImage ( &image, true ); //true for no scale (use for map congestion)
 
-    QString filePath = QFileDialog::getSaveFileName ( this, tr("Save image as ..."), "", tr("Image PNG ( *.png )") );
+    char workingDirectory [1024];
+    getcwd ( workingDirectory, 1024 );
+
+    QString filePath = QFileDialog::getSaveFileName ( this
+                                                    , tr("Save Image as ...")
+                                                    , workingDirectory
+                                                    , tr("Image (*.png)")
+                                                    );
 
     image.save ( filePath, "png" );
   }
diff --git a/hurricane/src/hviewer/hurricane/viewer/CellViewer.h b/hurricane/src/hviewer/hurricane/viewer/CellViewer.h
index 21266b41..b5459a8f 100644
--- a/hurricane/src/hviewer/hurricane/viewer/CellViewer.h
+++ b/hurricane/src/hviewer/hurricane/viewer/CellViewer.h
@@ -75,6 +75,7 @@ namespace Hurricane {
               Cell*                getCell                   ();
       virtual Cell*                getCellFromDb             ( const char* name );
       inline  CellWidget*          getCellWidget             ();
+      inline  ControllerWidget*    getControllerWidget       ();
               void                 select                    ( Occurrence& );
               void                 unselect                  ( Occurrence& );
               void                 unselectAll               ();
@@ -141,8 +142,9 @@ namespace Hurricane {
   inline void        CellViewer::setEnableRedrawInterrupt  ( bool state )
   { _cellWidget->setEnableRedrawInterrupt(state); }
 
-  inline CellWidget* CellViewer::getCellWidget      () { return _cellWidget; }
-  inline void        CellViewer::setApplicationName ( const QString& name ) { _applicationName = name; }
+  inline CellWidget*       CellViewer::getCellWidget       () { return _cellWidget; }
+  inline ControllerWidget* CellViewer::getControllerWidget () { return _controller; }
+  inline void              CellViewer::setApplicationName  ( const QString& name ) { _applicationName = name; }
 
 
 } // End of Hurricane namespace.