diff --git a/Applications/Tests/QtFreeRender/QtFreeRender.cpp b/Applications/Tests/QtFreeRender/QtFreeRender.cpp
index 89f7b58155..c57e196637 100644
--- a/Applications/Tests/QtFreeRender/QtFreeRender.cpp
+++ b/Applications/Tests/QtFreeRender/QtFreeRender.cpp
@@ -1,396 +1,396 @@
 /*=========================================================================
 
 Program:   Medical Imaging & Interaction Toolkit
 Language:  C++
 Date:      $Date$
 Version:   $Revision: 21985 $
 
 Copyright (c) German Cancer Research Center, Division of Medical and
 Biological Informatics. All rights reserved.
 See MITKCopyright.txt or http://www.mitk.org/copyright.html for details.
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
 
 #include "mitkRenderWindow.h"
 
 #include <mitkDataNodeFactory.h>
 #include <mitkStandaloneDataStorage.h>
 #include <mitkProperties.h>
 #include <mitkTransferFunction.h>
 #include <mitkTransferFunctionProperty.h>
 #include <mitkRenderingManager.h>
 #include <mitkGlobalInteraction.h>
 #include "mitkProperties.h"
 #include "mitkGeometry2DDataMapper2D.h"
 #include "mitkGlobalInteraction.h"
 #include "mitkDisplayInteractor.h"
 #include "mitkPositionEvent.h"
 #include "mitkStateEvent.h"
 #include "mitkLine.h"
 #include "mitkInteractionConst.h"
 #include "mitkVtkLayerController.h"
 #include "mitkPositionTracker.h"
 #include "mitkDisplayVectorInteractor.h"
 #include "mitkSlicesRotator.h"
 #include "mitkSlicesSwiveller.h"
 #include "mitkRenderWindowFrame.h"
 #include "mitkGradientBackground.h"
 #include "mitkCoordinateSupplier.h"
 #include "mitkDataStorage.h"
 
 
 #include "vtkTextProperty.h"
 #include "vtkCornerAnnotation.h"
 #include "vtkRenderWindow.h"
 #include "vtkRenderWindowInteractor.h"
 #include "vtkAnnotatedCubeActor.h"
 #include "vtkOrientationMarkerWidget.h"
 #include "vtkProperty.h"
 
 //##Documentation
 //## @brief Example of a NON QT DEPENDENT MITK RENDERING APPLICATION. 
 
 mitk::DisplayVectorInteractor::Pointer    m_MoveAndZoomInteractor;
 mitk::CoordinateSupplier::Pointer         m_LastLeftClickPositionSupplier;
 mitk::GradientBackground::Pointer         m_GradientBackground4;
 mitk::RenderWindowFrame::Pointer          m_RectangleRendering1;
 mitk::RenderWindowFrame::Pointer          m_RectangleRendering2;
 mitk::RenderWindowFrame::Pointer          m_RectangleRendering3;
 mitk::RenderWindowFrame::Pointer          m_RectangleRendering4;
 
 mitk::SliceNavigationController::Pointer m_TimeNavigationController;
 
 mitk::DataStorage::Pointer m_DataStorage;
 mitk::DataNode::Pointer m_PlaneNode1;
 mitk::DataNode::Pointer m_PlaneNode2;
 mitk::DataNode::Pointer m_PlaneNode3;
 mitk::DataNode::Pointer m_Node;
 
 mitk::RenderWindow::Pointer mitkWidget1;
 mitk::RenderWindow::Pointer mitkWidget2;
 mitk::RenderWindow::Pointer mitkWidget3;
 mitk::RenderWindow::Pointer mitkWidget4;
 
 void InitializeWindows()
 {
   
   // Set default view directions for SNCs
   mitkWidget1->GetSliceNavigationController()->SetDefaultViewDirection(
     mitk::SliceNavigationController::Transversal );
   mitkWidget2->GetSliceNavigationController()->SetDefaultViewDirection(
     mitk::SliceNavigationController::Sagittal );
   mitkWidget3->GetSliceNavigationController()->SetDefaultViewDirection(
     mitk::SliceNavigationController::Frontal );
   mitkWidget4->GetSliceNavigationController()->SetDefaultViewDirection(
     mitk::SliceNavigationController::Original );
 
     //initialize m_TimeNavigationController: send time via sliceNavigationControllers
   m_TimeNavigationController = mitk::SliceNavigationController::New("dummy");
   m_TimeNavigationController->ConnectGeometryTimeEvent(
     mitkWidget1->GetSliceNavigationController() , false);
   m_TimeNavigationController->ConnectGeometryTimeEvent(
     mitkWidget2->GetSliceNavigationController() , false);
   m_TimeNavigationController->ConnectGeometryTimeEvent(
     mitkWidget3->GetSliceNavigationController() , false);
   m_TimeNavigationController->ConnectGeometryTimeEvent(
     mitkWidget4->GetSliceNavigationController() , false);
   mitkWidget1->GetSliceNavigationController()
     ->ConnectGeometrySendEvent(mitk::BaseRenderer::GetInstance(mitkWidget4->GetVtkRenderWindow()));
 
   // Set TimeNavigationController to RenderingManager
   // (which uses it internally for views initialization!)
   mitk::RenderingManager::GetInstance()->SetTimeNavigationController(
     m_TimeNavigationController );
 
   //reverse connection between sliceNavigationControllers and m_TimeNavigationController
   mitkWidget1->GetSliceNavigationController()
     ->ConnectGeometryTimeEvent(m_TimeNavigationController.GetPointer(), false);
   mitkWidget2->GetSliceNavigationController()
     ->ConnectGeometryTimeEvent(m_TimeNavigationController.GetPointer(), false);
   mitkWidget3->GetSliceNavigationController()
     ->ConnectGeometryTimeEvent(m_TimeNavigationController.GetPointer(), false);
   mitkWidget4->GetSliceNavigationController()
     ->ConnectGeometryTimeEvent(m_TimeNavigationController.GetPointer(), false);
 
 
   // Let NavigationControllers listen to GlobalInteraction
   mitk::GlobalInteraction *gi = mitk::GlobalInteraction::GetInstance();
   gi->AddListener( m_TimeNavigationController );
     
   m_LastLeftClickPositionSupplier =
     mitk::CoordinateSupplier::New("navigation", NULL);
   mitk::GlobalInteraction::GetInstance()->AddListener(
     m_LastLeftClickPositionSupplier
     );
  
   m_GradientBackground4 = mitk::GradientBackground::New();
   m_GradientBackground4->SetRenderWindow(
     mitkWidget4->GetVtkRenderWindow() );
   m_GradientBackground4->SetGradientColors(0.1,0.1,0.1,0.5,0.5,0.5);
   m_GradientBackground4->Enable();
 
   m_RectangleRendering1 = mitk::RenderWindowFrame::New();
   m_RectangleRendering1->SetRenderWindow(
     mitkWidget1->GetVtkRenderWindow() );
   m_RectangleRendering1->Enable(1.0,0.0,0.0);
 
   m_RectangleRendering2 = mitk::RenderWindowFrame::New();
   m_RectangleRendering2->SetRenderWindow(
     mitkWidget2->GetVtkRenderWindow() );
   m_RectangleRendering2->Enable(0.0,1.0,0.0);
 
   m_RectangleRendering3 = mitk::RenderWindowFrame::New();
   m_RectangleRendering3->SetRenderWindow(
     mitkWidget3->GetVtkRenderWindow() );
   m_RectangleRendering3->Enable(0.0,0.0,1.0);
 
   m_RectangleRendering4 = mitk::RenderWindowFrame::New();
   m_RectangleRendering4->SetRenderWindow(
     mitkWidget4->GetVtkRenderWindow() );
   m_RectangleRendering4->Enable(1.0,1.0,0.0);
 
 }
 
 
 void AddDisplayPlaneSubTree()
 {
   // add the displayed planes of the multiwidget to a node to which the subtree 
   // @a planesSubTree points ...
 
   float white[3] = {1.0f,1.0f,1.0f};
   mitk::Geometry2DDataMapper2D::Pointer mapper;
   mitk::IntProperty::Pointer layer = mitk::IntProperty::New(1000);
 
   // ... of widget 1
   m_PlaneNode1 = (mitk::BaseRenderer::GetInstance(mitkWidget1->GetVtkRenderWindow()))->GetCurrentWorldGeometry2DNode();
   m_PlaneNode1->SetColor(white, mitk::BaseRenderer::GetInstance(mitkWidget4->GetVtkRenderWindow()));
   m_PlaneNode1->SetProperty("visible", mitk::BoolProperty::New(true));
   m_PlaneNode1->SetProperty("name", mitk::StringProperty::New("widget1Plane"));
   m_PlaneNode1->SetProperty("includeInBoundingBox", mitk::BoolProperty::New(false));
   m_PlaneNode1->SetProperty("helper object", mitk::BoolProperty::New(true));
   m_PlaneNode1->SetProperty("layer",layer);
   m_PlaneNode1->SetColor(1.0,0.0,0.0);
   mapper = mitk::Geometry2DDataMapper2D::New();
   m_PlaneNode1->SetMapper(mitk::BaseRenderer::Standard2D, mapper);
 
   // ... of widget 2
   m_PlaneNode2 =( mitk::BaseRenderer::GetInstance(mitkWidget2->GetVtkRenderWindow()))->GetCurrentWorldGeometry2DNode();
   m_PlaneNode2->SetColor(white, mitk::BaseRenderer::GetInstance(mitkWidget4->GetVtkRenderWindow()));
   m_PlaneNode2->SetProperty("visible", mitk::BoolProperty::New(true));
   m_PlaneNode2->SetProperty("name", mitk::StringProperty::New("widget2Plane"));
   m_PlaneNode2->SetProperty("includeInBoundingBox", mitk::BoolProperty::New(false));
   m_PlaneNode2->SetProperty("helper object", mitk::BoolProperty::New(true));
   m_PlaneNode2->SetProperty("layer",layer);
   m_PlaneNode2->SetColor(0.0,1.0,0.0);
   mapper = mitk::Geometry2DDataMapper2D::New();
   m_PlaneNode2->SetMapper(mitk::BaseRenderer::Standard2D, mapper);
 
   // ... of widget 3
   m_PlaneNode3 = (mitk::BaseRenderer::GetInstance(mitkWidget3->GetVtkRenderWindow()))->GetCurrentWorldGeometry2DNode();
   m_PlaneNode3->SetColor(white, mitk::BaseRenderer::GetInstance(mitkWidget4->GetVtkRenderWindow()));
   m_PlaneNode3->SetProperty("visible", mitk::BoolProperty::New(true));
   m_PlaneNode3->SetProperty("name", mitk::StringProperty::New("widget3Plane"));
   m_PlaneNode3->SetProperty("includeInBoundingBox", mitk::BoolProperty::New(false));
   m_PlaneNode3->SetProperty("helper object", mitk::BoolProperty::New(true));
   m_PlaneNode3->SetProperty("layer",layer);
   m_PlaneNode3->SetColor(0.0,0.0,1.0);
   mapper = mitk::Geometry2DDataMapper2D::New();
   m_PlaneNode3->SetMapper(mitk::BaseRenderer::Standard2D, mapper);
 
   m_Node = mitk::DataNode::New();
   m_Node->SetProperty("name", mitk::StringProperty::New("Widgets"));
   m_Node->SetProperty("helper object", mitk::BoolProperty::New(true));
 
   //AddPlanesToDataStorage
   if (m_PlaneNode1.IsNotNull() && m_PlaneNode2.IsNotNull() && m_PlaneNode3.IsNotNull() && m_Node.IsNotNull())
   {
     if (m_DataStorage.IsNotNull())
     {
       m_DataStorage->Add(m_Node);
       m_DataStorage->Add(m_PlaneNode1, m_Node);
       m_DataStorage->Add(m_PlaneNode2, m_Node);
       m_DataStorage->Add(m_PlaneNode3, m_Node);
       static_cast<mitk::Geometry2DDataMapper2D*>(m_PlaneNode1->GetMapper(mitk::BaseRenderer::Standard2D))->SetDatastorageAndGeometryBaseNode(m_DataStorage, m_Node);
       static_cast<mitk::Geometry2DDataMapper2D*>(m_PlaneNode2->GetMapper(mitk::BaseRenderer::Standard2D))->SetDatastorageAndGeometryBaseNode(m_DataStorage, m_Node);
       static_cast<mitk::Geometry2DDataMapper2D*>(m_PlaneNode3->GetMapper(mitk::BaseRenderer::Standard2D))->SetDatastorageAndGeometryBaseNode(m_DataStorage, m_Node);
     }
   }
 }
 
 
 void Fit()
 {
   vtkRenderer * vtkrenderer;
   mitk::BaseRenderer::GetInstance(mitkWidget1->GetVtkRenderWindow())->GetDisplayGeometry()->Fit();
   mitk::BaseRenderer::GetInstance(mitkWidget2->GetVtkRenderWindow())->GetDisplayGeometry()->Fit();
   mitk::BaseRenderer::GetInstance(mitkWidget3->GetVtkRenderWindow())->GetDisplayGeometry()->Fit();
   mitk::BaseRenderer::GetInstance(mitkWidget4->GetVtkRenderWindow())->GetDisplayGeometry()->Fit();
 
   int w = vtkObject::GetGlobalWarningDisplay();
   vtkObject::GlobalWarningDisplayOff();
 
   vtkrenderer = mitk::BaseRenderer::GetInstance(mitkWidget1->GetVtkRenderWindow())->GetVtkRenderer();
   if ( vtkrenderer!= NULL ) 
     vtkrenderer->ResetCamera();
 
   vtkrenderer = mitk::BaseRenderer::GetInstance(mitkWidget2->GetVtkRenderWindow())->GetVtkRenderer();
   if ( vtkrenderer!= NULL ) 
     vtkrenderer->ResetCamera();
 
   vtkrenderer = mitk::BaseRenderer::GetInstance(mitkWidget3->GetVtkRenderWindow())->GetVtkRenderer();
   if ( vtkrenderer!= NULL ) 
     vtkrenderer->ResetCamera();
 
   vtkrenderer = mitk::BaseRenderer::GetInstance(mitkWidget4->GetVtkRenderWindow())->GetVtkRenderer();
   if ( vtkrenderer!= NULL ) 
     vtkrenderer->ResetCamera();
 
   vtkObject::SetGlobalWarningDisplay(w);
 }
 
 int main(int argc, char* argv[])
 {
   if(argc<2)
   {
     fprintf( stderr, "Usage:   %s [filename1] [filename2] ...\n\n", "" );
     return 1;
   }
 
   // Create a DataStorage  
   m_DataStorage = mitk::StandaloneDataStorage::New();
 
   //*************************************************************************
   // Part II: Create some data by reading files
   //*************************************************************************
   int i;
   for(i=1; i<argc; ++i)
   {
     // For testing
     if(strcmp(argv[i], "-testing")==0) continue;
 
     // Create a DataNodeFactory to read a data format supported
     // by the DataNodeFactory (many image formats, surface formats, etc.)
     mitk::DataNodeFactory::Pointer nodeReader=mitk::DataNodeFactory::New();
     const char * filename = argv[i];
     try
     {
       nodeReader->SetFileName(filename);
       nodeReader->Update();
 
       // Since the DataNodeFactory directly creates a node,
       // use the datastorage to add the read node
       mitk::DataNode::Pointer node = nodeReader->GetOutput();
       m_DataStorage->Add(node);
 
       
       mitk::Image::Pointer image = dynamic_cast<mitk::Image*>(node->GetData());
       if(image.IsNotNull())
       {
         // Set the property "volumerendering" to the Boolean value "true"
         node->SetProperty("volumerendering", mitk::BoolProperty::New(false));
         node->SetProperty("name", mitk::StringProperty::New("testimage"));
         node->SetProperty("layer",mitk::IntProperty::New(1));
       }
     }
     catch(...)
     {
       fprintf( stderr, "Could not open file %s \n\n", filename );
       exit(2);
     }
   }
 
   //*************************************************************************
   // Part V: Create window and pass the tree to it
   //*************************************************************************
 
   // Global Interaction initialize 
   mitk::GlobalInteraction::GetInstance()->Initialize("global");
 
   // instantiate display interactor
   m_MoveAndZoomInteractor = mitk::DisplayVectorInteractor::New(
     "moveNzoom", new mitk::DisplayInteractor() );
 
   mitk::GlobalInteraction::GetInstance()->AddListener(m_MoveAndZoomInteractor);
 
   
   // Create renderwindows
   mitkWidget1 = mitk::RenderWindow::New();
   mitkWidget2 = mitk::RenderWindow::New();
   mitkWidget3 = mitk::RenderWindow::New();
   mitkWidget4 = mitk::RenderWindow::New();
  
   // Tell the renderwindow which (part of) the datastorage to render
   mitkWidget1->GetRenderer()->SetDataStorage(m_DataStorage);
   mitkWidget2->GetRenderer()->SetDataStorage(m_DataStorage);
   mitkWidget3->GetRenderer()->SetDataStorage(m_DataStorage);
   mitkWidget4->GetRenderer()->SetDataStorage(m_DataStorage);
 
  
   // Let NavigationControllers listen to GlobalInteraction
   mitk::GlobalInteraction *gi = mitk::GlobalInteraction::GetInstance();
   gi->AddListener( mitkWidget1->GetSliceNavigationController() );
   gi->AddListener( mitkWidget2->GetSliceNavigationController() );
   gi->AddListener( mitkWidget3->GetSliceNavigationController() );
   gi->AddListener( mitkWidget4->GetSliceNavigationController() );
   
   // Use it as a 2D View
   mitkWidget1->GetRenderer()->SetMapperID(mitk::BaseRenderer::Standard2D);
   mitkWidget2->GetRenderer()->SetMapperID(mitk::BaseRenderer::Standard2D);
   mitkWidget3->GetRenderer()->SetMapperID(mitk::BaseRenderer::Standard2D);
   mitkWidget4->GetRenderer()->SetMapperID(mitk::BaseRenderer::Standard3D);
+ 
 
-  mitkWidget1->GetVtkRenderWindow()->GetInteractor()->SetInteractorStyle( mitkVtkInteractorStyle::New() );
-  mitkWidget2->GetVtkRenderWindow()->GetInteractor()->SetInteractorStyle( mitkVtkInteractorStyle::New() );
-  mitkWidget3->GetVtkRenderWindow()->GetInteractor()->SetInteractorStyle( mitkVtkInteractorStyle::New() );
-  
-  mitkWidget1->ReinitEventProvider();
-  mitkWidget2->ReinitEventProvider();
-  mitkWidget3->ReinitEventProvider();
-
-  mitkWidget1->GetVtkRenderWindow()->SetSize(400, 400);
+  mitkWidget1->SetSize(400, 400);
   
   
   mitkWidget2->GetVtkRenderWindow()->SetPosition(mitkWidget1->GetVtkRenderWindow()->GetPosition()[0]+420,
                                                  mitkWidget1->GetVtkRenderWindow()->GetPosition()[1]);
-  mitkWidget2->GetVtkRenderWindow()->SetSize(400, 400);
+  mitkWidget2->SetSize(400, 400);
   
   
   mitkWidget3->GetVtkRenderWindow()->SetPosition(mitkWidget1->GetVtkRenderWindow()->GetPosition()[0],
                                                  mitkWidget1->GetVtkRenderWindow()->GetPosition()[1]+450);
-  mitkWidget3->GetVtkRenderWindow()->SetSize(400, 400);
+  mitkWidget3->SetSize(400, 400);
   
   
   mitkWidget4->GetVtkRenderWindow()->SetPosition(mitkWidget1->GetVtkRenderWindow()->GetPosition()[0]+420,
                                                  mitkWidget1->GetVtkRenderWindow()->GetPosition()[1]+450);
-  mitkWidget4->GetVtkRenderWindow()->SetSize(400, 400);
+  mitkWidget4->SetSize(400, 400);
 
 
   InitializeWindows();
   
   AddDisplayPlaneSubTree();
  
   Fit();
 
   // Initialize the RenderWindows
   mitk::TimeSlicedGeometry::Pointer geo = m_DataStorage->ComputeBoundingGeometry3D(m_DataStorage->GetAll());
   mitk::RenderingManager::GetInstance()->InitializeViews( geo );
 
 
   m_DataStorage->Print( std::cout );
   mitk::RenderingManager::GetInstance()->ForceImmediateUpdateAll();
 
+  // reinit the mitkVTKEventProvider;
+  // this is only necessary once after calling 
+  // ForceImmediateUpdateAll() for the first time
+  mitkWidget1->ReinitEventProvider();
+  mitkWidget2->ReinitEventProvider();
+  mitkWidget3->ReinitEventProvider();
+
 
   mitkWidget1->GetVtkRenderWindow()->Render();
   mitkWidget2->GetVtkRenderWindow()->Render();
   mitkWidget3->GetVtkRenderWindow()->Render();
   mitkWidget4->GetVtkRenderWindow()->Render();
   mitkWidget4->GetVtkRenderWindowInteractor()->Start();
 
  
   return 0;
 }