Salome HOME
Fix regressions 0021322, 0021323
[modules/smesh.git] / src / OBJECT / SMESH_Actor.cxx
index 7a37d65410b17301f6db14ab0fb145891d3ea17f..a998576e9db9f2790eea10f4aeb0956e6349f7c1 100644 (file)
@@ -1,35 +1,39 @@
-//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
 //
-//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
 //
-//  This library 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 2.1 of the License.
+// This library 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 2.1 of the License.
 //
-//  This library 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 GNU
-//  Lesser General Public License for more details.
+// This library 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 GNU
+// Lesser General Public License for more details.
 //
-//  You should have received a copy of the GNU Lesser General Public
-//  License along with this library; if not, write to the Free Software
-//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 //
-//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
+
 //  SMESH OBJECT : interactive object for SMESH visualization
 //  File   : SMESH_Actor.cxx
 //  Author : Nicolas REJNERI
 //  Module : SMESH
-
-
+//
 #include "SMESH_ActorDef.h"
 #include "SMESH_ActorUtils.h"
 #include "SMESH_DeviceActor.h"
 #include "SMESH_ObjectDef.h"
 #include "SMESH_ControlsDef.hxx"
+#include "SMDS_UnstructuredGrid.hxx"
+#include "SMESH_ScalarBarActor.h"
+#include "VTKViewer_CellCenters.h"
+#include "VTKViewer_DataSetMapper.h"
 #include "VTKViewer_ExtractUnstructuredGrid.h"
 #include "VTKViewer_FramedTextActor.h"
 #include "SALOME_InteractiveObject.hxx"
 #include "SUIT_Session.h"
 #include "SUIT_ResourceMgr.h"
 
+#ifndef DISABLE_PLOT2DVIEWER
+#include <SPlot2d_Histogram.h>
+#endif
+
 #include <vtkProperty.h>
 #include <vtkTimeStamp.h>
 #include <vtkObjectFactory.h>
 #include <vtkProperty2D.h>
 #include <vtkPolyData.h>
 #include <vtkMaskPoints.h>
-#include <vtkCellCenters.h>
 #include <vtkTextProperty.h>
 #include <vtkLabeledDataMapper.h>
 #include <vtkSelectVisiblePoints.h>
 
-#include <vtkScalarBarActor.h>
 #include <vtkLookupTable.h>
 
 #include <vtkMath.h>
 #ifdef _DEBUG_
 static int MYDEBUG = 1;
 #else
-static int MYDEBUG = 0;
+static int MYDEBUG = 1;
 #endif
 
 static int aLineWidthInc = 2;
-static int aPointSizeInc = 2;
 
 
 SMESH_ActorDef* SMESH_ActorDef::New(){
@@ -99,13 +104,16 @@ SMESH_Actor* SMESH_Actor::New(TVisualObjPtr theVisualObj,
                               const char* theName,
                               int theIsClear)
 {
-  SMESH_ActorDef* anActor = SMESH_ActorDef::New();
-  if(!anActor->Init(theVisualObj,theEntry,theName,theIsClear)){
-    anActor->Delete();
-    anActor = NULL;
+  SMESH_ActorDef* anActor = NULL;
+  if(theVisualObj->IsValid() ) {
+    anActor = SMESH_ActorDef::New();
+    if(!anActor->Init(theVisualObj,theEntry,theName,theIsClear)){
+      anActor->Delete();
+      anActor = NULL;
+    }
+    if( anActor )
+      anActor->UpdateScalarBar();
   }
-  if( anActor )
-    anActor->UpdateScalarBar();
   return anActor;
 }
 
@@ -129,7 +137,6 @@ SMESH_ActorDef::SMESH_ActorDef()
   if ( mgr && mgr->booleanValue( "SMESH", "use_precision", false ) )
     myControlsPrecision = mgr->integerValue( "SMESH", "controls_precision", -1);
 
-  vtkFloatingPointType aPointSize  = SMESH::GetFloat("SMESH:node_size",3);
   vtkFloatingPointType aElem0DSize = SMESH::GetFloat("SMESH:elem0d_size",5);
   vtkFloatingPointType aLineWidth  = SMESH::GetFloat("SMESH:element_width",1);
 
@@ -198,7 +205,32 @@ SMESH_ActorDef::SMESH_ActorDef()
   aFilter->RegisterCellsWithType(VTK_QUADRATIC_TETRA);
   aFilter->RegisterCellsWithType(VTK_QUADRATIC_HEXAHEDRON);
   aFilter->RegisterCellsWithType(VTK_QUADRATIC_WEDGE);
+  aFilter->RegisterCellsWithType(VTK_QUADRATIC_PYRAMID);
   aFilter->RegisterCellsWithType(VTK_CONVEX_POINT_SET);
+//#ifdef VTK_HAVE_POLYHEDRON
+  MESSAGE("RegisterCellsWithType(VTK_POLYHEDRON)");
+  aFilter->RegisterCellsWithType(VTK_POLYHEDRON);
+//#endif
+
+  my3DExtActor = SMESH_DeviceActor::New();
+  my3DExtActor->SetUserMatrix(aMatrix);
+  my3DExtActor->PickableOff();
+  my3DExtActor->SetProperty(my2DExtProp);
+  my3DExtActor->SetBackfaceProperty(my2DExtProp);
+  my3DExtActor->SetRepresentation(SMESH_DeviceActor::eSurface);
+  aFilter = my3DExtActor->GetExtractUnstructuredGrid();
+  aFilter->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::eAdding);
+  aFilter->RegisterCellsWithType(VTK_TETRA);
+  aFilter->RegisterCellsWithType(VTK_VOXEL);
+  aFilter->RegisterCellsWithType(VTK_HEXAHEDRON);
+  aFilter->RegisterCellsWithType(VTK_WEDGE);
+  aFilter->RegisterCellsWithType(VTK_PYRAMID);
+  aFilter->RegisterCellsWithType(VTK_QUADRATIC_TETRA);
+  aFilter->RegisterCellsWithType(VTK_QUADRATIC_HEXAHEDRON);
+  aFilter->RegisterCellsWithType(VTK_QUADRATIC_WEDGE);
+  aFilter->RegisterCellsWithType(VTK_QUADRATIC_PYRAMID);
+  aFilter->RegisterCellsWithType(VTK_CONVEX_POINT_SET);
+  aFilter->RegisterCellsWithType(VTK_POLYHEDRON);
 
   //Definition 1D device of the actor
   //---------------------------------
@@ -224,7 +256,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   my1DProp = vtkProperty::New();
   my1DProp->DeepCopy(myEdgeProp);
   my1DProp->SetLineWidth(aLineWidth + aLineWidthInc);
-  my1DProp->SetPointSize(aPointSize);
+  my1DProp->SetPointSize(aElem0DSize);
   
   my1DExtProp = vtkProperty::New();
   my1DExtProp->DeepCopy(myEdgeProp);
@@ -233,7 +265,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   anRGB[2] = 1 - anRGB[2];
   my1DExtProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
   my1DExtProp->SetLineWidth(aLineWidth + aLineWidthInc);
-  my1DExtProp->SetPointSize(aPointSize + aPointSizeInc);
+  my1DExtProp->SetPointSize(aElem0DSize);
 
   my1DExtActor = SMESH_DeviceActor::New();
   my1DExtActor->SetUserMatrix(aMatrix);
@@ -294,7 +326,6 @@ SMESH_ActorDef::SMESH_ActorDef()
   myNodeProp = vtkProperty::New();
   SMESH::GetColor( "SMESH", "node_color", anRGB[0], anRGB[1], anRGB[2], QColor( 255, 0, 0 ) );
   myNodeProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
-  myNodeProp->SetPointSize(aPointSize);
 
   myNodeActor = SMESH_DeviceActor::New();
   myNodeActor->SetUserMatrix(aMatrix);
@@ -312,7 +343,6 @@ SMESH_ActorDef::SMESH_ActorDef()
   anRGB[1] = 1 - anRGB[1];
   anRGB[2] = 1 - anRGB[2];
   myNodeExtProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
-  myNodeExtProp->SetPointSize(aPointSize);
 
   myNodeExtActor = SMESH_DeviceActor::New();
   myNodeExtActor->SetUserMatrix(aMatrix);
@@ -336,14 +366,18 @@ SMESH_ActorDef::SMESH_ActorDef()
 
   myPickableActor = myBaseActor;
 
+  // VSR 13/07/2011: Revert back previous fix for issue 0020749 since it causes regressions, see issues 0021322, 0021323
+  // To be removed later or fix to be improved
+  //myMapper = VTKViewer_DataSetMapper::New();
+  //myMapper->SetInput( myPickableActor->GetUnstructuredGrid() );
+
   myHighlightProp = vtkProperty::New();
   myHighlightProp->SetAmbient(1.0);
   myHighlightProp->SetDiffuse(0.0);
   myHighlightProp->SetSpecular(0.0);
   SMESH::GetColor( "SMESH", "selection_object_color", anRGB[0], anRGB[1], anRGB[2], QColor( 255, 255, 255 ) );
   myHighlightProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
-  //myHighlightProp->SetPointSize(aPointSize);
-  myHighlightProp->SetPointSize(std::max(aElem0DSize,aPointSize)); // ??
+  myHighlightProp->SetPointSize(aElem0DSize); // ??
   myHighlightProp->SetRepresentation(1);
 
   myPreselectProp = vtkProperty::New();
@@ -352,8 +386,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   myPreselectProp->SetSpecular(0.0);
   SMESH::GetColor( "SMESH", "highlight_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 255, 255 ) );
   myPreselectProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
-  //myPreselectProp->SetPointSize(aPointSize);
-  myPreselectProp->SetPointSize(std::max(aElem0DSize,aPointSize)); // ??
+  myPreselectProp->SetPointSize(aElem0DSize); // ??
   myPreselectProp->SetRepresentation(1);
 
   myHighlitableActor = SMESH_DeviceActor::New();
@@ -376,7 +409,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   //Controls - Aspect Ratio: incorrect colors of the best and worst values
   myLookupTable->SetHueRange(0.667,0.0);
 
-  myScalarBarActor = vtkScalarBarActor::New();
+  myScalarBarActor = SMESH_ScalarBarActor::New();
   myScalarBarActor->SetVisibility(false);
   myScalarBarActor->SetLookupTable(myLookupTable);
 
@@ -404,9 +437,7 @@ SMESH_ActorDef::SMESH_ActorDef()
     
   myPtsLabeledDataMapper = vtkLabeledDataMapper::New();
   myPtsLabeledDataMapper->SetInput(myPtsSelectVisiblePoints->GetOutput());
-#if (VTK_XVERSION >= 0x050200)
-  myPtsLabeledDataMapper->SetLabelFormat("%d");
-#else
+#if (VTK_XVERSION < 0x050200)
   myPtsLabeledDataMapper->SetLabelFormat("%g");
 #endif
   myPtsLabeledDataMapper->SetLabelModeToLabelScalars();
@@ -435,7 +466,7 @@ SMESH_ActorDef::SMESH_ActorDef()
   //---------------------------------------
   myCellsNumDataSet = vtkUnstructuredGrid::New();
 
-  myCellCenters = vtkCellCenters::New();
+  myCellCenters = VTKViewer_CellCenters::New();
   myCellCenters->SetInput(myCellsNumDataSet);
 
   myClsMaskPoints = vtkMaskPoints::New();
@@ -449,9 +480,7 @@ SMESH_ActorDef::SMESH_ActorDef()
     
   myClsLabeledDataMapper = vtkLabeledDataMapper::New();
   myClsLabeledDataMapper->SetInput(myClsSelectVisiblePoints->GetOutput());
-#if (VTK_XVERSION >= 0x050200)
-  myClsLabeledDataMapper->SetLabelFormat("%d");
-#else
+#if (VTK_XVERSION < 0x050200)
   myClsLabeledDataMapper->SetLabelFormat("%g");
 #endif
   myClsLabeledDataMapper->SetLabelModeToLabelScalars();
@@ -497,9 +526,16 @@ SMESH_ActorDef::SMESH_ActorDef()
   myHighlitableActor->SetQuadraticArcAngle(aQuadraticAngle);
   my2DActor->SetQuadraticArcAngle(aQuadraticAngle);
   
-  // Set color of the name actor
+  // Set colors of the name actor
   SMESH::GetColor( "SMESH", "fill_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
   myNameActor->SetBackgroundColor(anRGB[0], anRGB[1], anRGB[2]);
+  SMESH::GetColor( "SMESH", "group_name_color", anRGB[0], anRGB[1], anRGB[2], QColor( 255, 255, 255 ) );
+  myNameActor->SetForegroundColor(anRGB[0], anRGB[1], anRGB[2]);
+
+#ifndef DISABLE_PLOT2DVIEWER
+  my2dHistogram = 0;
+#endif
+
 }
 
 
@@ -507,6 +543,16 @@ SMESH_ActorDef::~SMESH_ActorDef()
 {
   if(MYDEBUG) MESSAGE("~SMESH_ActorDef - "<<this);
 
+#ifndef DISABLE_PLOT2DVIEWER
+  if(my2dHistogram) {
+    SMESH::ProcessIn2DViewers(this,SMESH::RemoveFrom2dViewer);
+    delete my2dHistogram;
+  }
+#endif
+
+  // caught by SMESHGUI::ProcessEvents() static method
+  this->InvokeEvent( SMESH::DeleteActorEvent, NULL );
+
   myScalarBarActor->Delete();
   myLookupTable->Delete();
 
@@ -536,6 +582,7 @@ SMESH_ActorDef::~SMESH_ActorDef()
   my2DExtProp->Delete();
   my2DExtActor->Delete();
   my3DActor->Delete();
+  my3DExtActor->Delete();
 
   myNodeActor->Delete();
   myBaseActor->Delete();
@@ -586,6 +633,10 @@ SMESH_ActorDef::~SMESH_ActorDef()
 
   myImplicitBoolean->Delete();
 
+  // VSR 13/07/2011: Revert back previous fix for issue 0020749 since it causes regressions, see issues 0021322, 0021323
+  // To be removed later or fix to be improved
+  //myMapper->Delete();
+
   myTimeStamp->Delete();
 }
 
@@ -665,6 +716,39 @@ bool SMESH_ActorDef::GetFacesOriented()
   return myIsFacesOriented;
 }
 
+void SMESH_ActorDef::SetFacesOrientationColor(vtkFloatingPointType theColor[3])
+{
+  my2DActor->SetFacesOrientationColor( theColor );
+  my3DActor->SetFacesOrientationColor( theColor );
+}
+
+void SMESH_ActorDef::GetFacesOrientationColor(vtkFloatingPointType theColor[3])
+{
+  my3DActor->GetFacesOrientationColor( theColor );
+}
+
+void SMESH_ActorDef::SetFacesOrientationScale(vtkFloatingPointType theScale)
+{
+  my2DActor->SetFacesOrientationScale( theScale );
+  my3DActor->SetFacesOrientationScale( theScale );
+}
+
+vtkFloatingPointType SMESH_ActorDef::GetFacesOrientationScale()
+{
+  return my3DActor->GetFacesOrientationScale();
+}
+
+void SMESH_ActorDef::SetFacesOrientation3DVectors(bool theState)
+{
+  my2DActor->SetFacesOrientation3DVectors( theState );
+  my3DActor->SetFacesOrientation3DVectors( theState );
+}
+
+bool SMESH_ActorDef::GetFacesOrientation3DVectors()
+{
+  return my3DActor->GetFacesOrientation3DVectors();
+}
+
 
 void 
 SMESH_ActorDef::
@@ -694,52 +778,59 @@ SetControlMode(eControl theMode,
 
   bool anIsScalarVisible = theMode > eNone;
 
-  if(anIsScalarVisible){
-    SMESH::Controls::FunctorPtr aFunctor;
-    switch(theMode){
+  if(anIsScalarVisible) {
+    switch(theMode) {
     case eLength:
     {
       SMESH::Controls::Length* aControl = new SMESH::Controls::Length();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my1DActor;
       break;
     }
     case eLength2D:
     {
-      aFunctor.reset(new SMESH::Controls::Length2D());
+      myFunctor.reset(new SMESH::Controls::Length2D());
       myControlActor = my2DActor;
       break;
     }
     case eFreeBorders:
-      aFunctor.reset(new SMESH::Controls::FreeBorders());
+      myFunctor.reset(new SMESH::Controls::FreeBorders());
       myControlActor = my1DActor;
       break;
     case eFreeEdges:
-      aFunctor.reset(new SMESH::Controls::FreeEdges());
+      myFunctor.reset(new SMESH::Controls::FreeEdges());
       myControlActor = my2DActor;
       break;
     case eFreeNodes:
-      aFunctor.reset(new SMESH::Controls::FreeNodes());
+      myFunctor.reset(new SMESH::Controls::FreeNodes());
       myControlActor = myNodeActor;
       break;
     case eFreeFaces:
-      aFunctor.reset(new SMESH::Controls::FreeFaces());
+      myFunctor.reset(new SMESH::Controls::FreeFaces());
+      myControlActor = my2DActor;
+      break;
+    case eBareBorderFace:
+      myFunctor.reset(new SMESH::Controls::BareBorderFace());
+      myControlActor = my2DActor;
+      break;
+    case eOverConstrainedFace:
+      myFunctor.reset(new SMESH::Controls::OverConstrainedFace());
       myControlActor = my2DActor;
       break;
     case eMultiConnection:
-      aFunctor.reset(new SMESH::Controls::MultiConnection());
+      myFunctor.reset(new SMESH::Controls::MultiConnection());
       myControlActor = my1DActor;
       break;
     case eMultiConnection2D:
-      aFunctor.reset(new SMESH::Controls::MultiConnection2D());
+      myFunctor.reset(new SMESH::Controls::MultiConnection2D());
       myControlActor = my2DActor;
       break;
     case eArea:
     {
       SMESH::Controls::Area* aControl = new SMESH::Controls::Area();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my2DActor;
       break;
     }
@@ -747,7 +838,7 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::Taper* aControl = new SMESH::Controls::Taper();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my2DActor;
       break;
     }
@@ -755,7 +846,7 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::AspectRatio* aControl = new SMESH::Controls::AspectRatio();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my2DActor;
       break;
     }
@@ -763,7 +854,7 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::AspectRatio3D* aControl = new SMESH::Controls::AspectRatio3D();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my3DActor;
       break;
     }
@@ -771,7 +862,35 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::Volume* aControl = new SMESH::Controls::Volume();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
+      myControlActor = my3DActor;
+      break;
+    }
+    case eMaxElementLength2D:
+    {
+      SMESH::Controls::MaxElementLength2D* aControl = new SMESH::Controls::MaxElementLength2D();
+      aControl->SetPrecision( myControlsPrecision );
+      myFunctor.reset( aControl );
+      myControlActor = my2DActor;
+      break;
+    }
+    case eMaxElementLength3D:
+    {
+      SMESH::Controls::MaxElementLength3D* aControl = new SMESH::Controls::MaxElementLength3D();
+      aControl->SetPrecision( myControlsPrecision );
+      myFunctor.reset( aControl );
+      myControlActor = my3DActor;
+      break;
+    }
+    case eBareBorderVolume:
+    {
+      myFunctor.reset(new SMESH::Controls::BareBorderVolume());
+      myControlActor = my3DActor;
+      break;
+    }
+    case eOverConstrainedVolume:
+    {
+      myFunctor.reset(new SMESH::Controls::OverConstrainedVolume());
       myControlActor = my3DActor;
       break;
     }
@@ -779,7 +898,7 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::MinimumAngle* aControl = new SMESH::Controls::MinimumAngle();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my2DActor;
       break;
     }
@@ -787,7 +906,7 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::Warping* aControl = new SMESH::Controls::Warping();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my2DActor;
       break;
     }
@@ -795,7 +914,7 @@ SetControlMode(eControl theMode,
     {
       SMESH::Controls::Skew* aControl = new SMESH::Controls::Skew();
       aControl->SetPrecision( myControlsPrecision );
-      aFunctor.reset( aControl );
+      myFunctor.reset( aControl );
       myControlActor = my2DActor;
       break;
     }
@@ -809,21 +928,29 @@ SetControlMode(eControl theMode,
       myControlMode = theMode;
       switch(myControlMode){
       case eFreeNodes:
-        myNodeExtActor->SetExtControlMode(aFunctor);
+        myNodeExtActor->SetExtControlMode(myFunctor);
         break;
       case eFreeEdges:
       case eFreeBorders:
-        my1DExtActor->SetExtControlMode(aFunctor);
+        my1DExtActor->SetExtControlMode(myFunctor);
         break;
       case eFreeFaces:
-        my2DExtActor->SetExtControlMode(aFunctor);
+      case eBareBorderFace:
+      case eOverConstrainedFace:
+        my2DExtActor->SetExtControlMode(myFunctor);
+        break;
+      case eBareBorderVolume:
+      case eOverConstrainedVolume:
+        my3DExtActor->SetExtControlMode(myFunctor);
         break;
       case eLength2D:
       case eMultiConnection2D:
-        my1DExtActor->SetExtControlMode(aFunctor,myScalarBarActor,myLookupTable);
+        my1DExtActor->SetExtControlMode(myFunctor,myScalarBarActor,myLookupTable);
+        UpdateDistribution();
         break;
       default:
-        myControlActor->SetControlMode(aFunctor,myScalarBarActor,myLookupTable);
+        myControlActor->SetControlMode(myFunctor,myScalarBarActor,myLookupTable);
+        UpdateDistribution();
       }
     }
 
@@ -846,8 +973,11 @@ SetControlMode(eControl theMode,
         SetEntityMode(eVolumes);
     }
 
-  }else if(theCheckEntityMode){
-    myEntityMode = eAllEntity;
+  }
+  else {
+    if(theCheckEntityMode)
+      myEntityMode = eAllEntity;
+    myFunctor.reset();
   }
 
   SetRepresentation(GetRepresentation());
@@ -858,14 +988,13 @@ SetControlMode(eControl theMode,
 
 
 void SMESH_ActorDef::AddToRender(vtkRenderer* theRenderer){
-  SALOME_Actor::AddToRender(theRenderer);
-
   theRenderer->AddActor(myNodeActor);
   theRenderer->AddActor(myBaseActor);
   
   theRenderer->AddActor(myNodeExtActor);
 
   my3DActor->AddToRender(theRenderer);
+  my3DExtActor->AddToRender(theRenderer);
   my2DActor->AddToRender(theRenderer);
   my2DExtActor->AddToRender(theRenderer);
 
@@ -884,6 +1013,10 @@ void SMESH_ActorDef::AddToRender(vtkRenderer* theRenderer){
 
   theRenderer->AddActor2D(myPointLabels);
   theRenderer->AddActor2D(myCellsLabels);
+
+  // the superclass' method should be called at the end
+  // (in particular, for correct work of selection)
+  SALOME_Actor::AddToRender(theRenderer);
 }
 
 void SMESH_ActorDef::RemoveFromRender(vtkRenderer* theRenderer){
@@ -905,6 +1038,7 @@ void SMESH_ActorDef::RemoveFromRender(vtkRenderer* theRenderer){
   my2DActor->RemoveFromRender(theRenderer);
   my2DExtActor->RemoveFromRender(theRenderer);
   my3DActor->RemoveFromRender(theRenderer);
+  my3DExtActor->RemoveFromRender(theRenderer);
 
   theRenderer->RemoveActor(myScalarBarActor);
   theRenderer->RemoveActor(myPointLabels);
@@ -940,6 +1074,7 @@ bool SMESH_ActorDef::Init(TVisualObjPtr theVisualObj,
   my2DActor->Init(myVisualObj,myImplicitBoolean);
   my2DExtActor->Init(myVisualObj,myImplicitBoolean);
   my3DActor->Init(myVisualObj,myImplicitBoolean);
+  my3DExtActor->Init(myVisualObj,myImplicitBoolean);
   
   my0DActor->GetMapper()->SetLookupTable(myLookupTable);
   //my0DExtActor->GetMapper()->SetLookupTable(myLookupTable);
@@ -950,6 +1085,7 @@ bool SMESH_ActorDef::Init(TVisualObjPtr theVisualObj,
   my2DActor->GetMapper()->SetLookupTable(myLookupTable);
   my2DExtActor->GetMapper()->SetLookupTable(myLookupTable);
   my3DActor->GetMapper()->SetLookupTable(myLookupTable);
+  my3DExtActor->GetMapper()->SetLookupTable(myLookupTable);
     
   vtkFloatingPointType aFactor, aUnits;
   my2DActor->GetPolygonOffsetParameters(aFactor,aUnits);
@@ -983,6 +1119,10 @@ bool SMESH_ActorDef::Init(TVisualObjPtr theVisualObj,
   if( dynamic_cast<SMESH_GroupObj*>( myVisualObj.get() ) )
     SetIsDisplayNameActor( true );
 
+  int aMarkerType = mgr->integerValue( "SMESH", "type_of_marker", 1 ); // dot
+  int aMarkerScale = mgr->integerValue( "SMESH", "marker_scale", 9 );  // 5 pixels
+  SetMarkerStd( (VTK::MarkerType)aMarkerType, (VTK::MarkerScale)aMarkerScale );
+
   myTimeStamp->Modified();
   Modified();
   return true;
@@ -1018,6 +1158,7 @@ void SMESH_ActorDef::SetTransform(VTKViewer_Transform* theTransform){
   my2DActor->SetTransform(theTransform);
   my2DExtActor->SetTransform(theTransform);
   my3DActor->SetTransform(theTransform);
+  my3DExtActor->SetTransform(theTransform);
 
   Modified();
 }
@@ -1034,6 +1175,9 @@ void SMESH_ActorDef::ShallowCopy(vtkProp *prop){
 
 
 vtkMapper* SMESH_ActorDef::GetMapper(){
+  // VSR 13/07/2011: Revert back previous fix for issue 0020749 since it causes regressions, see issues 0021322, 0021323
+  // To be removed later or fix to be improved
+  //return myMapper;
   return myPickableActor->GetMapper();
 }
 
@@ -1073,6 +1217,7 @@ void SMESH_ActorDef::SetShrinkFactor(vtkFloatingPointType theValue){
   my2DActor->SetShrinkFactor(theValue);
   my2DExtActor->SetShrinkFactor(theValue);
   my3DActor->SetShrinkFactor(theValue);
+  my3DExtActor->SetShrinkFactor(theValue);
 
   Modified();
 }
@@ -1088,6 +1233,7 @@ void SMESH_ActorDef::SetShrink(){
   my2DActor->SetShrink();
   my2DExtActor->SetShrink();
   my3DActor->SetShrink();
+  my3DExtActor->SetShrink();
 
   myIsShrunk = true;
   Modified();
@@ -1104,6 +1250,7 @@ void SMESH_ActorDef::UnShrink(){
   my2DActor->UnShrink();
   my2DExtActor->UnShrink();
   my3DActor->UnShrink();
+  my3DExtActor->UnShrink();
 
   myIsShrunk = false;
   Modified();
@@ -1150,6 +1297,7 @@ void SMESH_ActorDef::SetVisibility(int theMode, bool theIsUpdateRepersentation){
   my2DActor->VisibilityOff();
   my2DExtActor->VisibilityOff();
   my3DActor->VisibilityOff();
+  my3DExtActor->VisibilityOff();
   
   myScalarBarActor->VisibilityOff();
   myPointLabels->VisibilityOff();
@@ -1169,8 +1317,14 @@ void SMESH_ActorDef::SetVisibility(int theMode, bool theIsUpdateRepersentation){
         my1DExtActor->VisibilityOn();
         break;
       case eFreeFaces:
+      case eBareBorderFace:
+      case eOverConstrainedFace:
         my2DExtActor->VisibilityOn();
         break;
+      case eBareBorderVolume:
+      case eOverConstrainedVolume:
+        my3DExtActor->VisibilityOn();
+        break;
       case eLength2D:
       case eMultiConnection2D:
         my1DExtActor->VisibilityOn();
@@ -1190,15 +1344,15 @@ void SMESH_ActorDef::SetVisibility(int theMode, bool theIsUpdateRepersentation){
       my0DActor->VisibilityOn();
     }
 
-    if(myEntityMode & eEdges){
+    if(myEntityMode & eEdges && GetRepresentation() != ePoint){
       my1DActor->VisibilityOn();
     }
     
-    if(myEntityMode & eFaces){
+    if(myEntityMode & eFaces && GetRepresentation() != ePoint){
       my2DActor->VisibilityOn();
     }
     
-    if(myEntityMode & eVolumes){
+    if(myEntityMode & eVolumes && GetRepresentation() != ePoint){
       my3DActor->VisibilityOn();
     }
     
@@ -1209,7 +1363,11 @@ void SMESH_ActorDef::SetVisibility(int theMode, bool theIsUpdateRepersentation){
 
     if(myIsCellsLabeled) 
       myCellsLabels->VisibilityOn();
-  }
+  } 
+#ifndef DISABLE_PLOT2DVIEWER
+  else
+    SMESH::ProcessIn2DViewers(this,SMESH::RemoveFrom2dViewer);
+#endif
   UpdateHighlight();
   Modified();
 }
@@ -1263,11 +1421,7 @@ void SMESH_ActorDef::SetEntityMode(unsigned int theMode)
 
   VTKViewer_ExtractUnstructuredGrid* aHightFilter = myHighlitableActor->GetExtractUnstructuredGrid();
   aHightFilter->ClearRegisteredCellsWithType();
-
-  // The following row has been commented (initially added in 1.28.2.3.1 revision)
-  // Reason: seems to be unnecessary, this filter should always have default (ePassAll) mode of changing
-  // In addition, it leads to exception (see bug IPAL21372)
-  //aHightFilter->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::eAdding);
+  aHightFilter->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::eAdding);
 
   if (myEntityMode & e0DElements) {
     if (MYDEBUG) MESSAGE("0D ELEMENTS");
@@ -1310,6 +1464,9 @@ void SMESH_ActorDef::SetEntityMode(unsigned int theMode)
     aFilter->RegisterCellsWithType(VTK_QUADRATIC_HEXAHEDRON);
     aFilter->RegisterCellsWithType(VTK_QUADRATIC_WEDGE);
     aFilter->RegisterCellsWithType(VTK_CONVEX_POINT_SET);
+//#ifdef VTK_HAVE_POLYHEDRON
+    aFilter->RegisterCellsWithType(VTK_POLYHEDRON);
+//#endif
     
     aHightFilter->RegisterCellsWithType(VTK_TETRA);
     aHightFilter->RegisterCellsWithType(VTK_VOXEL);
@@ -1319,7 +1476,11 @@ void SMESH_ActorDef::SetEntityMode(unsigned int theMode)
     aHightFilter->RegisterCellsWithType(VTK_QUADRATIC_TETRA);
     aHightFilter->RegisterCellsWithType(VTK_QUADRATIC_HEXAHEDRON);
     aHightFilter->RegisterCellsWithType(VTK_QUADRATIC_WEDGE);
+    aHightFilter->RegisterCellsWithType(VTK_QUADRATIC_PYRAMID);
     aHightFilter->RegisterCellsWithType(VTK_CONVEX_POINT_SET);
+//#ifdef VTK_HAVE_POLYHEDRON
+    aHightFilter->RegisterCellsWithType(VTK_POLYHEDRON);
+//#endif
   }
   aFilter->Update();
   if (MYDEBUG) MESSAGE(aFilter->GetOutput()->GetNumberOfCells());
@@ -1406,6 +1567,7 @@ void SMESH_ActorDef::SetRepresentation (int theMode)
   //my0DExtActor->SetVisibility(false);
   my1DExtActor->SetVisibility(false);
   my2DExtActor->SetVisibility(false);
+  my3DExtActor->SetVisibility(false);
 
   // ???
   //my0DActor->SetProperty(aProp);
@@ -1483,6 +1645,12 @@ void SMESH_ActorDef::UpdateHighlight(){
         SetModeOfExtraction(VTKViewer_ExtractUnstructuredGrid::ePoints);
       myHighlitableActor->SetVisibility(anIsVisible);
       myHighlitableActor->SetRepresentation(SMESH_DeviceActor::ePoint);
+
+      VTK::MarkerType aMarkerType = GetMarkerType();
+      if(aMarkerType != VTK::MT_USER)
+        myHighlitableActor->SetMarkerStd(aMarkerType, GetMarkerScale());
+      else
+        myHighlitableActor->SetMarkerTexture(GetMarkerTexture(), myMarkerTexture);
     }
   }
 }
@@ -1644,6 +1812,18 @@ void SMESH_ActorDef::GetNodeColor(vtkFloatingPointType& r,vtkFloatingPointType&
   ::GetColor(myNodeProp,r,g,b);
 }
 
+void SMESH_ActorDef::Set0DColor(vtkFloatingPointType r,vtkFloatingPointType g,vtkFloatingPointType b){ 
+  my0DProp->SetColor(r,g,b);
+  if( SMESH_GroupObj* aGroupObj = dynamic_cast<SMESH_GroupObj*>( myVisualObj.get() ) )
+    if( aGroupObj->GetElementType() == SMDSAbs_0DElement )
+      myNameActor->SetBackgroundColor(r,g,b);
+  Modified();
+}
+
+void SMESH_ActorDef::Get0DColor(vtkFloatingPointType& r,vtkFloatingPointType& g,vtkFloatingPointType& b){ 
+  ::GetColor(my0DProp,r,g,b);
+}
+
 void SMESH_ActorDef::SetHighlightColor(vtkFloatingPointType r,vtkFloatingPointType g,vtkFloatingPointType b){ 
   myHighlightProp->SetColor(r,g,b);
   Modified();
@@ -1678,24 +1858,13 @@ void SMESH_ActorDef::SetLineWidth(vtkFloatingPointType theVal){
 }
 
 
-void SMESH_ActorDef::SetNodeSize(vtkFloatingPointType theVal){
-  myNodeProp->SetPointSize(theVal);
-  myNodeExtProp->SetPointSize(theVal);
-
-  vtkFloatingPointType aPointSize = my0DProp->GetPointSize() > theVal ? my0DProp->GetPointSize() : theVal;
-  //myHighlightProp->SetPointSize(theVal);
-  myHighlightProp->SetPointSize(aPointSize); // ??
-  //myPreselectProp->SetPointSize(theVal);
-  myPreselectProp->SetPointSize(aPointSize); // ??
-
-  my1DProp->SetPointSize(theVal + aPointSizeInc);
-  my1DExtProp->SetPointSize(theVal + aPointSizeInc);
-
+void SMESH_ActorDef::Set0DSize(vtkFloatingPointType theVal){
+  my0DProp->SetPointSize(theVal);
   Modified();
 }
 
-vtkFloatingPointType SMESH_ActorDef::GetNodeSize(){
-  return myNodeProp->GetPointSize();
+vtkFloatingPointType SMESH_ActorDef::Get0DSize(){
+  return my0DProp->GetPointSize();
 }
 
 int SMESH_ActorDef::GetObjDimension( const int theObjId )
@@ -1729,6 +1898,7 @@ SMESH_ActorDef::SetImplicitFunctionUsed(bool theIsImplicitFunctionUsed)
   my2DActor->SetImplicitFunctionUsed(theIsImplicitFunctionUsed);
   my2DExtActor->SetImplicitFunctionUsed(theIsImplicitFunctionUsed);
   my3DActor->SetImplicitFunctionUsed(theIsImplicitFunctionUsed);
+  my3DExtActor->SetImplicitFunctionUsed(theIsImplicitFunctionUsed);
 }
 
 vtkIdType 
@@ -1769,92 +1939,6 @@ GetClippingPlane(vtkIdType theID)
   return myCippingPlaneCont[theID].Get();
 }
 
-
-static void ComputeBoundsParam(vtkDataSet* theDataSet,
-                               vtkFloatingPointType theDirection[3], vtkFloatingPointType theMinPnt[3],
-                               vtkFloatingPointType& theMaxBoundPrj, vtkFloatingPointType& theMinBoundPrj)
-{
-  vtkFloatingPointType aBounds[6];
-  theDataSet->GetBounds(aBounds);
-
-  //Enlarge bounds in order to avoid conflicts of precision
-  for(int i = 0; i < 6; i += 2){
-    static double EPS = 1.0E-3;
-    vtkFloatingPointType aDelta = (aBounds[i+1] - aBounds[i])*EPS;
-    aBounds[i] -= aDelta;
-    aBounds[i+1] += aDelta;
-  }
-
-  vtkFloatingPointType aBoundPoints[8][3] = { {aBounds[0],aBounds[2],aBounds[4]},
-                               {aBounds[1],aBounds[2],aBounds[4]},
-                               {aBounds[0],aBounds[3],aBounds[4]},
-                               {aBounds[1],aBounds[3],aBounds[4]},
-                               {aBounds[0],aBounds[2],aBounds[5]},
-                               {aBounds[1],aBounds[2],aBounds[5]}, 
-                               {aBounds[0],aBounds[3],aBounds[5]}, 
-                               {aBounds[1],aBounds[3],aBounds[5]}};
-
-  int aMaxId = 0, aMinId = aMaxId;
-  theMaxBoundPrj = vtkMath::Dot(theDirection,aBoundPoints[aMaxId]);
-  theMinBoundPrj = theMaxBoundPrj;
-  for(int i = 1; i < 8; i++){
-    vtkFloatingPointType aTmp = vtkMath::Dot(theDirection,aBoundPoints[i]);
-    if(theMaxBoundPrj < aTmp){
-      theMaxBoundPrj = aTmp;
-      aMaxId = i;
-    }
-    if(theMinBoundPrj > aTmp){
-      theMinBoundPrj = aTmp;
-      aMinId = i;
-    }
-  }
-  vtkFloatingPointType *aMinPnt = aBoundPoints[aMaxId];
-  theMinPnt[0] = aMinPnt[0];
-  theMinPnt[1] = aMinPnt[1];
-  theMinPnt[2] = aMinPnt[2];
-}
-
-
-static void DistanceToPosition(vtkDataSet* theDataSet,
-                               vtkFloatingPointType theDirection[3], vtkFloatingPointType theDist, vtkFloatingPointType thePos[3])
-{
-  vtkFloatingPointType aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
-  ComputeBoundsParam(theDataSet,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
-  vtkFloatingPointType aLength = (aMaxBoundPrj-aMinBoundPrj)*theDist;
-  thePos[0] = aMinPnt[0]-theDirection[0]*aLength;
-  thePos[1] = aMinPnt[1]-theDirection[1]*aLength;
-  thePos[2] = aMinPnt[2]-theDirection[2]*aLength;
-}
-
-
-static void PositionToDistance(vtkDataSet* theDataSet, 
-                               vtkFloatingPointType theDirection[3], vtkFloatingPointType thePos[3], vtkFloatingPointType& theDist)
-{
-  vtkFloatingPointType aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
-  ComputeBoundsParam(theDataSet,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
-  vtkFloatingPointType aPrj = vtkMath::Dot(theDirection,thePos);
-  theDist = (aPrj-aMinBoundPrj)/(aMaxBoundPrj-aMinBoundPrj);
-}
-
-
-void SMESH_ActorDef::SetPlaneParam(vtkFloatingPointType theDir[3], vtkFloatingPointType theDist, vtkPlane* thePlane)
-{
-  thePlane->SetNormal(theDir);
-  vtkFloatingPointType anOrigin[3];
-  ::DistanceToPosition(GetUnstructuredGrid(),theDir,theDist,anOrigin);
-  thePlane->SetOrigin(anOrigin);
-}
-
-
-void SMESH_ActorDef::GetPlaneParam(vtkFloatingPointType theDir[3], vtkFloatingPointType& theDist, vtkPlane* thePlane)
-{
-  thePlane->GetNormal(theDir);
-
-  vtkFloatingPointType anOrigin[3];
-  thePlane->GetOrigin(anOrigin);
-  ::PositionToDistance(GetUnstructuredGrid(),theDir,anOrigin,theDist);
-}
-
 void SMESH_ActorDef::UpdateScalarBar()
 {
   SUIT_ResourceMgr* mgr = SUIT_Session::session()->resourceMgr();
@@ -1968,9 +2052,45 @@ void SMESH_ActorDef::UpdateScalarBar()
   if( mgr->hasValue( "SMESH", "scalar_bar_num_colors" ) )
     anIntVal = mgr->integerValue( "SMESH", "scalar_bar_num_colors", anIntVal );
   myScalarBarActor->SetMaximumNumberOfColors( anIntVal == 0 ? 64 : anIntVal );
+
+  bool distributionVisibility = mgr->booleanValue("SMESH","distribution_visibility");
+  myScalarBarActor->SetDistributionVisibility(distributionVisibility);
+
+  int coloringType = mgr->integerValue("SMESH", "distribution_coloring_type", 0);
+  myScalarBarActor->SetDistributionColoringType(coloringType);
+  
+  QColor distributionColor = mgr->colorValue("SMESH", "distribution_color",
+                                             QColor(255, 255, 255));
+  double rgb[3];
+  rgb[0]= distributionColor.red()/255.;
+  rgb[1]= distributionColor.green()/255.;
+  rgb[2]= distributionColor.blue()/255.;
+  myScalarBarActor->SetDistributionColor(rgb);
+
   
 }
 
+void SMESH_ActorDef::UpdateDistribution()
+{
+  if(SMESH::Controls::NumericalFunctor* fun =
+     dynamic_cast<SMESH::Controls::NumericalFunctor*>(myFunctor.get()))
+  {
+    int nbIntervals = myScalarBarActor->GetMaximumNumberOfColors();
+    std::vector<int> nbEvents;
+    std::vector<double> funValues;
+    SMESH_VisualObjDef::TEntityList elems;
+    if ( ! dynamic_cast<SMESH_MeshObj*>(myVisualObj.get()))
+      dynamic_cast<SMESH_VisualObjDef*>(myVisualObj.get())->GetEntities( fun->GetType(), elems );
+    std::vector<int> elemIds;
+    for ( SMESH_VisualObjDef::TEntityList::iterator e = elems.begin(); e != elems.end(); ++e)
+      elemIds.push_back( (*e)->GetID());
+    vtkLookupTable* lookupTable = static_cast<vtkLookupTable*>(myScalarBarActor->GetLookupTable());
+    double * range = lookupTable->GetRange();
+    fun->GetHistogram(nbIntervals, nbEvents, funValues, elemIds, range);
+    myScalarBarActor->SetDistribution(nbEvents);
+  }
+}
+
 void SMESH_ActorDef::SetQuadratic2DRepresentation(EQuadratic2DRepresentation theMode)
 {
   switch(theMode) {
@@ -1999,3 +2119,72 @@ SMESH_Actor::EQuadratic2DRepresentation SMESH_ActorDef::GetQuadratic2DRepresenta
   else
     return SMESH_Actor::eLines;
 }
+
+void SMESH_ActorDef::SetMarkerStd( VTK::MarkerType theMarkerType, VTK::MarkerScale theMarkerScale )
+{
+  SALOME_Actor::SetMarkerStd( theMarkerType, theMarkerScale );
+  myNodeActor->SetMarkerStd( theMarkerType, theMarkerScale );
+  myNodeExtActor->SetMarkerStd( theMarkerType, theMarkerScale );
+}
+
+void SMESH_ActorDef::SetMarkerTexture( int theMarkerId, VTK::MarkerTexture theMarkerTexture )
+{
+  SALOME_Actor::SetMarkerTexture( theMarkerId, theMarkerTexture );
+  myNodeActor->SetMarkerTexture( theMarkerId, theMarkerTexture );
+  myNodeExtActor->SetMarkerTexture( theMarkerId, theMarkerTexture );
+  myMarkerTexture = theMarkerTexture; // for deferred update of myHighlightActor
+}
+
+#ifndef DISABLE_PLOT2DVIEWER
+SPlot2d_Histogram* SMESH_ActorDef::UpdatePlot2Histogram() {
+
+  if(my2dHistogram)
+    my2dHistogram->clearAllPoints();
+  
+  if(SMESH::Controls::NumericalFunctor* fun =
+     dynamic_cast<SMESH::Controls::NumericalFunctor*>(myFunctor.get()))
+  {
+    
+    if(!my2dHistogram) {
+      my2dHistogram = new SPlot2d_Histogram();
+      Handle(SALOME_InteractiveObject) anIO = new SALOME_InteractiveObject(getIO()->getEntry(),"SMESH",getName());
+      my2dHistogram->setIO(anIO);
+    }
+    
+    int nbIntervals = myScalarBarActor->GetMaximumNumberOfColors();
+    std::vector<int> nbEvents;
+    std::vector<double> funValues;
+    SMESH_VisualObjDef::TEntityList elems;
+    if ( ! dynamic_cast<SMESH_MeshObj*>(myVisualObj.get()))
+      dynamic_cast<SMESH_VisualObjDef*>(myVisualObj.get())->GetEntities( fun->GetType(), elems );
+    std::vector<int> elemIds;
+    
+    for ( SMESH_VisualObjDef::TEntityList::iterator e = elems.begin(); e != elems.end(); ++e)
+      elemIds.push_back( (*e)->GetID());
+
+    vtkLookupTable* lookupTable = static_cast<vtkLookupTable*>(myScalarBarActor->GetLookupTable());
+    double * range = lookupTable->GetRange();
+    fun->GetHistogram(nbIntervals, nbEvents, funValues, elemIds, range);
+
+    for ( int i = 0; i < std::min( nbEvents.size(), funValues.size() -1 ); i++ ) 
+      my2dHistogram->addPoint(funValues[i] + (funValues[i+1] - funValues[i])/2.0, static_cast<double>(nbEvents[i]));
+
+    if(funValues.size() >= 2)
+      my2dHistogram->setWidth((funValues[1] - funValues[0]) * 0.8) ;
+
+  }
+  
+  //Color of the histogram
+  if(myScalarBarActor->GetDistributionColoringType() == SMESH_MULTICOLOR_TYPE)
+    my2dHistogram->setAutoAssign(true);
+  else {
+    double rgb[3];
+    myScalarBarActor->GetDistributionColor(rgb);
+    QColor aColor = QColor( (int)( rgb[0]*255 ), (int)( rgb[1]*255 ), (int)( rgb[2]*255 ) );
+    my2dHistogram->setColor(aColor);
+
+  }
+      
+  return my2dHistogram;
+}
+#endif