diff --git a/hurricane/CMakeLists.txt b/hurricane/CMakeLists.txt
index 116a590d..95f52215 100644
--- a/hurricane/CMakeLists.txt
+++ b/hurricane/CMakeLists.txt
@@ -41,6 +41,7 @@ FIND_PACKAGE(BISON REQUIRED)
 FIND_PACKAGE(FLEX REQUIRED)
 FIND_PACKAGE(PythonLibs REQUIRED)
 FIND_PACKAGE(PythonSitePackages REQUIRED)
+FIND_PACKAGE(VLSISAPD REQUIRED)
 IF(BUILD_DOC)
   FIND_PACKAGE(Doxygen)
 ENDIF(BUILD_DOC)
diff --git a/hurricane/src/hurricane/DbU.cpp b/hurricane/src/hurricane/DbU.cpp
index de300d8d..87ea004c 100644
--- a/hurricane/src/hurricane/DbU.cpp
+++ b/hurricane/src/hurricane/DbU.cpp
@@ -299,6 +299,52 @@ namespace Hurricane {
   }
 
 
+  string  DbU::getValueString ( double u, int mode )
+  {
+    char buffer[1024];
+    char unitPower = 'u';
+    char unitSymbol   = '\0';
+
+    if ( _stringMode == Grid ) {
+      unitPower = 'g';
+      snprintf ( buffer, 1024, "%.1f", getGrid(u) );
+    } else if ( _stringMode == Symbolic ) {
+      unitPower = 'l';
+      snprintf ( buffer, 1024, "%.1f", getLambda(u) );
+    } else if ( _stringMode == Physical ) {
+      unitSymbol = 'm';
+      switch ( _stringModeUnitPower ) {
+        case Pico:  unitPower = 'p'; break;
+        case Nano:  unitPower = 'n'; break;
+        case Micro: unitPower = 'u'; break;
+        case Milli: unitPower = 'm'; break;
+        case Unity: unitPower = 'U'; break;
+        case Kilo:  unitPower = 'k'; break;
+        default:    unitPower = '?'; break;
+      }
+      snprintf ( buffer, 1024, "%.3f", getPhysical(u,_stringModeUnitPower) );
+    } else {
+      if ( _stringMode != Db )
+        cerr << "[ERROR] Unknown Unit representation mode: " << _stringMode << endl;
+
+      snprintf ( buffer, 1024, "%f", u );
+    }
+
+    size_t length = strlen(buffer) - 1;
+    if ( mode & SmartTruncate ) {
+      for ( ; length > 0 ; length-- ) {
+        if ( buffer[length] == '.' ) { length--; break; }
+        if ( buffer[length] != '0' ) break;
+      }
+    }
+    buffer[++length] = unitPower;
+    if ( unitSymbol ) buffer[++length] = unitSymbol;
+    buffer[++length] = '\0';
+
+    return buffer;
+  }
+
+
   Record* DbU::getValueRecord ( const DbU::Unit* u )
   {
     Record* record = new Record(getValueString(*u));
diff --git a/hurricane/src/hurricane/hurricane/DbU.h b/hurricane/src/hurricane/hurricane/DbU.h
index b5a1e2c1..812b03f3 100644
--- a/hurricane/src/hurricane/hurricane/DbU.h
+++ b/hurricane/src/hurricane/hurricane/DbU.h
@@ -103,9 +103,13 @@ namespace Hurricane {
     // Conversions.
       static inline long                getDb                   ( Unit u );
       static inline double              getGrid                 ( Unit u );
+      static inline double              getGrid                 ( double u );
       static inline double              getLambda               ( Unit u );
+      static inline double              getLambda               ( double u );
       static inline double              getPhysical             ( Unit u, UnitPower p );
+      static inline double              getPhysical             ( double u, UnitPower p );
       static        string              getValueString          ( Unit u, int mode=SmartTruncate );
+      static        string              getValueString          ( double u, int mode=SmartTruncate );
       static        Record*             getValueRecord          ( const Unit* u );
       static        Slot*               getValueSlot            ( const string& name, const Unit* u );
       static        void                setStringMode           ( unsigned int mode, UnitPower p=Nano );
@@ -134,8 +138,11 @@ namespace Hurricane {
   inline DbU::Unit  DbU::lambda                  ( double value )               { return grid(value*_gridsPerLambda); }
   inline long       DbU::getDb                   ( DbU::Unit u )                { return u; }
   inline double     DbU::getGrid                 ( DbU::Unit u )                { return _resolution*(double)u; }
+  inline double     DbU::getGrid                 ( double u )                   { return _resolution*u; }
   inline double     DbU::getLambda               ( DbU::Unit u )                { return getGrid(u)/_gridsPerLambda; }
+  inline double     DbU::getLambda               ( double u )                   { return getGrid(u)/_gridsPerLambda; }
   inline double     DbU::getPhysical             ( DbU::Unit u, UnitPower p )   { return (_physicalsPerGrid*_resolution*(double)u)/getUnitPower(p); }
+  inline double     DbU::getPhysical             ( double u, UnitPower p )      { return (_physicalsPerGrid*_resolution*u)/getUnitPower(p); }
   inline void       DbU::setRealSnapGridStep     ( DbU::Unit step )             { _realSnapGridStep = step; }
   inline void       DbU::setSymbolicSnapGridStep ( DbU::Unit step )             { _symbolicSnapGridStep = step; }
   inline DbU::Unit  DbU::getOnPhysicalGrid       ( DbU::Unit u, SnapMode mode ) { return getOnCustomGrid(u, grid(1), mode); }
diff --git a/hurricane/src/viewer/CMakeLists.txt b/hurricane/src/viewer/CMakeLists.txt
index 98445b33..48a08b5b 100644
--- a/hurricane/src/viewer/CMakeLists.txt
+++ b/hurricane/src/viewer/CMakeLists.txt
@@ -3,7 +3,9 @@
 
    include_directories ( ${HURRICANE_SOURCE_DIR}/src/hurricane
                          ${HURRICANE_SOURCE_DIR}/src/viewer
-                         ${Boost_INCLUDE_DIRS} )
+                         ${CONFIGURATION_INCLUDE_DIR}
+                         ${Boost_INCLUDE_DIRS}
+                       )
 
                    set ( mocincludes hurricane/viewer/HApplication.h
                                      hurricane/viewer/PaletteItem.h
@@ -113,7 +115,8 @@
 
            add_library ( viewer          ${cpps} ${MOC_SRCS} ${RCC_SRCS} )
  target_link_libraries ( viewer          hurricane
+                                         ${CONFIGURATION_LIBRARIES}
                                          ${QT_LIBRARIES}
-#                                        ${Boost_LIBRARIES}
+                                         ${Boost_LIBRARIES}
                        )
                install ( TARGETS         viewer        DESTINATION lib${LIB_SUFFIX} )
diff --git a/hurricane/src/viewer/CellViewer.cpp b/hurricane/src/viewer/CellViewer.cpp
index 33c3699f..053f2304 100644
--- a/hurricane/src/viewer/CellViewer.cpp
+++ b/hurricane/src/viewer/CellViewer.cpp
@@ -100,8 +100,6 @@ namespace Hurricane {
   }
 
 
-
-
   void  CellViewer::createActions ()
   {
     if ( _openAction ) return;
diff --git a/hurricane/src/viewer/ControllerWidget.cpp b/hurricane/src/viewer/ControllerWidget.cpp
index 4f0547f0..21c648c2 100644
--- a/hurricane/src/viewer/ControllerWidget.cpp
+++ b/hurricane/src/viewer/ControllerWidget.cpp
@@ -29,6 +29,8 @@
 #include  <QVBoxLayout>
 #include  <QCheckBox>
 #include  <QComboBox>
+#include  <vlsisapd/configuration/Configuration.h>
+#include  <vlsisapd/configuration/ConfigurationWidget.h>
 #include  <hurricane/DataBase.h>
 #include  <hurricane/Cell.h>
 #include  <hurricane/viewer/Graphics.h>
@@ -44,6 +46,8 @@
 
 namespace Hurricane {
 
+  using Cfg::Configuration;
+
 
 // -------------------------------------------------------------------
 // Class  :  "Hurricane::ControllerTab".
@@ -436,16 +440,16 @@ namespace Hurricane {
 
 
   TabSettings::TabSettings ( QWidget* parent )
-    : ControllerTab(parent)
-    , _settings(new QTabWidget())
+    : ControllerTab (parent)
+    , _configuration(Configuration::get()->buildWidget())
   { 
     setContentsMargins ( 5, 0, 5, 5 );
 
-    _settings->setObjectName ( "controller.tabSettings.settings" );
+    _configuration->setObjectName ( "controller.tabSettings.settings" );
 
     QVBoxLayout* vLayout  = new QVBoxLayout ();
     vLayout->setContentsMargins ( 0, 0, 0, 0 );
-    vLayout->addWidget ( _settings );
+    vLayout->addWidget ( _configuration );
     setLayout ( vLayout );
   }
 
@@ -454,6 +458,21 @@ namespace Hurricane {
   { }
 
 
+  // TabSettings::TabSettings ( QWidget* parent )
+  //   : ControllerTab(parent)
+  //   , _settings(new QTabWidget())
+  // { 
+  //   setContentsMargins ( 5, 0, 5, 5 );
+
+  //   _settings->setObjectName ( "controller.tabSettings.settings" );
+
+  //   QVBoxLayout* vLayout  = new QVBoxLayout ();
+  //   vLayout->setContentsMargins ( 0, 0, 0, 0 );
+  //   vLayout->addWidget ( _settings );
+  //   setLayout ( vLayout );
+  // }
+
+
 // -------------------------------------------------------------------
 // Class  :  "Hurricane::ControllerWidget".
 
diff --git a/hurricane/src/viewer/hurricane/viewer/ControllerWidget.h b/hurricane/src/viewer/hurricane/viewer/ControllerWidget.h
index 3e4aa3af..09e1a01e 100644
--- a/hurricane/src/viewer/hurricane/viewer/ControllerWidget.h
+++ b/hurricane/src/viewer/hurricane/viewer/ControllerWidget.h
@@ -31,11 +31,16 @@
 class QCheckBox;
 class QComboBox;
 
+namespace Cfg {
+  class ConfigurationWidget;
+}
+
 #include  "hurricane/Occurrence.h"
 
 
 namespace Hurricane {
 
+  using Cfg::ConfigurationWidget;
 
   class Record;
   class Net;
@@ -233,21 +238,34 @@ namespace Hurricane {
 
   class TabSettings : public ControllerTab {
       Q_OBJECT;
-
     public:
-                         TabSettings   ( QWidget* parent=NULL );
-      inline QTabWidget* getSettings   ();
-      inline int         addSetting    ( QWidget* page, const QString& label );
+                                  TabSettings   ( QWidget* parent=NULL );
+      inline ConfigurationWidget* getSettings   ();
     public slots:
-             void        setCellWidget ( CellWidget* );
-
-    protected:
-      QTabWidget* _settings;
+             void                 setCellWidget ( CellWidget* );
+    private:
+      ConfigurationWidget* _configuration;
+      
   };
 
 
-  inline QTabWidget* TabSettings::getSettings () { return _settings; }
-  inline int         TabSettings::addSetting  ( QWidget* page, const QString& label ) { return _settings->addTab(page,label); }
+  // class TabSettings : public ControllerTab {
+  //     Q_OBJECT;
+
+  //   public:
+  //                        TabSettings   ( QWidget* parent=NULL );
+  //     inline QTabWidget* getSettings   ();
+  //     inline int         addSetting    ( QWidget* page, const QString& label );
+  //   public slots:
+  //            void        setCellWidget ( CellWidget* );
+
+  //   protected:
+  //     QTabWidget* _settings;
+  // };
+
+
+  // inline QTabWidget* TabSettings::getSettings () { return _settings; }
+  // inline int         TabSettings::addSetting  ( QWidget* page, const QString& label ) { return _settings->addTab(page,label); }
 
 
 // -------------------------------------------------------------------
@@ -268,7 +286,7 @@ namespace Hurricane {
       inline InspectorWidget*     getInspectorWidget ();
       inline TabSettings*         getSettings        ();
              void                 setCellWidget      ( CellWidget* );
-      inline int                  addSetting         ( QWidget* page, const QString& label );
+    //inline int                  addSetting         ( QWidget* page, const QString& label );
     public slots:                 
              void                 cellPreModificate  ();
              void                 cellPostModificate ();
@@ -296,7 +314,7 @@ namespace Hurricane {
   inline SelectionWidget*     ControllerWidget::getSelection       () { return _tabSelection->getSelection(); }
   inline InspectorWidget*     ControllerWidget::getInspectorWidget () { return _tabInspector->getInspectorWidget(); }
   inline TabSettings*         ControllerWidget::getSettings        () { return _tabSettings; }
-  inline int                  ControllerWidget::addSetting         ( QWidget* page, const QString& label ) { return _tabSettings->addSetting(page,label); }
+//inline int                  ControllerWidget::addSetting         ( QWidget* page, const QString& label ) { return _tabSettings->addSetting(page,label); }
 
 
 }  // End of Hurricane namespace.