diff --git a/Modules/SurfaceInterpolation/Testing/mitkSurfaceInterpolationControllerTest.cpp b/Modules/SurfaceInterpolation/Testing/mitkSurfaceInterpolationControllerTest.cpp
index ba56243d2f..d919b27272 100644
--- a/Modules/SurfaceInterpolation/Testing/mitkSurfaceInterpolationControllerTest.cpp
+++ b/Modules/SurfaceInterpolation/Testing/mitkSurfaceInterpolationControllerTest.cpp
@@ -1,181 +1,164 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
-#include <mitkIOUtil.h>
 #include <mitkSurfaceInterpolationController.h>
 #include <mitkTestFixture.h>
 #include <mitkTestingMacros.h>
 
 #include <vtkRegularPolygonSource.h>
 
 class mitkSurfaceInterpolationControllerTestSuite : public mitk::TestFixture
 {
   CPPUNIT_TEST_SUITE(mitkSurfaceInterpolationControllerTestSuite);
   MITK_TEST(TestSingleton);
   MITK_TEST(TestSetCurrentInterpolationSession);
   MITK_TEST(TestRemoveAllInterpolationSessions);
   MITK_TEST(TestRemoveInterpolationSession);
   MITK_TEST(TestOnSegmentationDeleted);
 //  MITK_TEST(TestSetSegmentationImage); //Duplicate
 //  MITK_TEST(TestAddNewContour);
 //  MITK_TEST(TestSetDistanceImageVolume);
   CPPUNIT_TEST_SUITE_END();
 
 private:
 
   mitk::SurfaceInterpolationController::Pointer m_Controller;
 
 public:
 
   mitk::Image::Pointer createImage(unsigned int *dimensions)
   {
     mitk::Image::Pointer newImage = mitk::Image::New();
     mitk::PixelType p_type = mitk::MakeScalarPixelType<unsigned char>();
     newImage->Initialize(p_type, 3, dimensions);
     return newImage;
   }
 
   void setUp()
   {
     m_Controller = mitk::SurfaceInterpolationController::GetInstance();
 
     vtkSmartPointer<vtkRegularPolygonSource> polygonSource = vtkSmartPointer<vtkRegularPolygonSource>::New();
     polygonSource->SetRadius(100);
     polygonSource->SetNumberOfSides(7);
     polygonSource->Update();
     mitk::Surface::Pointer surface = mitk::Surface::New();
     surface->SetVtkPolyData(polygonSource->GetOutput());
   }
 
   void TestSingleton()
   {
     mitk::SurfaceInterpolationController::Pointer controller2 = mitk::SurfaceInterpolationController::GetInstance();
     CPPUNIT_ASSERT_MESSAGE("SurfaceInterpolationController pointers are not equal!", m_Controller.GetPointer() == controller2.GetPointer());
   }
 
   void TestSetCurrentInterpolationSession()
   {
     // Create image for testing
     unsigned int dimensions1[] = {10, 10, 10};
     mitk::Image::Pointer segmentation_1 = createImage(dimensions1);
 
     unsigned int dimensions2[] = {20, 10, 30};
     mitk::Image::Pointer segmentation_2 = createImage(dimensions2);
 
     // Test 1
-    MITK_INFO<<"Adding: "<<segmentation_1.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_1);
     MITK_ASSERT_EQUAL(m_Controller->GetCurrentSegmentation(), segmentation_1->Clone(), "Segmentation images are not equal");
     CPPUNIT_ASSERT_MESSAGE("Segmentation images are not equal", m_Controller->GetCurrentSegmentation().GetPointer() == segmentation_1.GetPointer());
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 1", m_Controller->GetNumberOfInterpolationSessions() == 1);
 
     // Test 2
-    MITK_INFO<<"Adding: "<<segmentation_2.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_2);
     MITK_ASSERT_EQUAL(m_Controller->GetCurrentSegmentation(), segmentation_2->Clone(), "Segmentation images are not equal");
     CPPUNIT_ASSERT_MESSAGE("Segmentation images are not equal", m_Controller->GetCurrentSegmentation().GetPointer() == segmentation_2.GetPointer());
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 2", m_Controller->GetNumberOfInterpolationSessions() == 2);
 
     // Test 3
     m_Controller->SetCurrentInterpolationSession(segmentation_1);
     MITK_ASSERT_EQUAL(m_Controller->GetCurrentSegmentation(), segmentation_1->Clone(), "Segmentation images are not equal");
     CPPUNIT_ASSERT_MESSAGE("Segmentation images are not equal", m_Controller->GetCurrentSegmentation().GetPointer() == segmentation_1.GetPointer());
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 2", m_Controller->GetNumberOfInterpolationSessions() == 2);
 
     // Test 4
     m_Controller->SetCurrentInterpolationSession(segmentation_1);
     MITK_ASSERT_EQUAL(m_Controller->GetCurrentSegmentation(), segmentation_1->Clone(), "Segmentation images are not equal");
     CPPUNIT_ASSERT_MESSAGE("Segmentation images are not equal", m_Controller->GetCurrentSegmentation().GetPointer() == segmentation_1.GetPointer());
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 2", m_Controller->GetNumberOfInterpolationSessions() == 2);
 
     // Test 5
     m_Controller->SetCurrentInterpolationSession(0);
     CPPUNIT_ASSERT_MESSAGE("Segmentation images are not equal", m_Controller->GetCurrentSegmentation().IsNull());
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 2", m_Controller->GetNumberOfInterpolationSessions() == 2);
   }
 
   void TestRemoveAllInterpolationSessions()
   {
     // Create image for testing
     unsigned int dimensions1[] = {10, 10, 10};
     mitk::Image::Pointer segmentation_1 = createImage(dimensions1);
 
     unsigned int dimensions2[] = {20, 10, 30};
     mitk::Image::Pointer segmentation_2 = createImage(dimensions2);
 
     // Test 1
-    MITK_INFO<<"Adding: "<<segmentation_1.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_1);
-    MITK_INFO<<"Adding: "<<segmentation_2.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_2);
     m_Controller->RemoveAllInterpolationSessions();
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 0", m_Controller->GetNumberOfInterpolationSessions() == 0);
   }
 
   void TestRemoveInterpolationSession()
   {
     // Create image for testing
     unsigned int dimensions1[] = {10, 10, 10};
     mitk::Image::Pointer segmentation_1 = createImage(dimensions1);
 
     unsigned int dimensions2[] = {20, 10, 30};
     mitk::Image::Pointer segmentation_2 = createImage(dimensions2);
 
-    MITK_INFO<< "NUM SESS: "<<m_Controller->GetNumberOfInterpolationSessions();
     // Test 1
-    MITK_INFO<<"Adding: "<<segmentation_1.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_1);
-    MITK_INFO<<"Adding: "<<segmentation_2.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_2);
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 2", m_Controller->GetNumberOfInterpolationSessions() == 2);
 
     // Test current segmentation should not be null if another one was removed
     m_Controller->RemoveInterpolationSession(segmentation_1);
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 1", m_Controller->GetNumberOfInterpolationSessions() == 1);
     CPPUNIT_ASSERT_MESSAGE("Segmentation images are not equal", m_Controller->GetCurrentSegmentation().GetPointer() == segmentation_2.GetPointer());
     CPPUNIT_ASSERT_MESSAGE("Current segmentation is null after another one was removed", m_Controller->GetCurrentSegmentation().IsNotNull());
 
-    MITK_INFO<<"Adding: "<<segmentation_1.GetPointer();
     m_Controller->SetCurrentInterpolationSession(segmentation_1);
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 2", m_Controller->GetNumberOfInterpolationSessions() == 2);
 
     // Test current segmentation should not be null if another one was removed
     m_Controller->RemoveInterpolationSession(segmentation_1);
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 1", m_Controller->GetNumberOfInterpolationSessions() == 1);
     CPPUNIT_ASSERT_MESSAGE("Current segmentation is not null after session was removed", m_Controller->GetCurrentSegmentation().IsNull());
   }
 
 
   void TestOnSegmentationDeleted()
   {
-//    m_Controller->RemoveAllInterpolationSessions();
     {
       // Create image for testing
       unsigned int dimensions1[] = {10, 10, 10};
       mitk::Image::Pointer segmentation_1 = createImage(dimensions1);
-
-      MITK_INFO<<"Adding: "<<segmentation_1.GetPointer();
       m_Controller->SetCurrentInterpolationSession(segmentation_1);
     }
-    MITK_INFO<< "NUM SESS: "<<m_Controller->GetNumberOfInterpolationSessions();
-//    MITK_INFO<<"REF COUNT: "<<m_Controller->GetCurrentSegmentation()->GetReferenceCount();
     CPPUNIT_ASSERT_MESSAGE("Number of interpolation session not 0", m_Controller->GetNumberOfInterpolationSessions() == 0);
   }
-
-
 };
-
 MITK_TEST_SUITE_REGISTRATION(mitkSurfaceInterpolationController)
diff --git a/Modules/SurfaceInterpolation/mitkSurfaceInterpolationController.cpp b/Modules/SurfaceInterpolation/mitkSurfaceInterpolationController.cpp
index e919a40b48..4b83363493 100644
--- a/Modules/SurfaceInterpolation/mitkSurfaceInterpolationController.cpp
+++ b/Modules/SurfaceInterpolation/mitkSurfaceInterpolationController.cpp
@@ -1,386 +1,363 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include "mitkSurfaceInterpolationController.h"
 #include "mitkMemoryUtilities.h"
 #include "mitkImageAccessByItk.h"
 #include "mitkImageCast.h"
 
 #include "mitkImageToSurfaceFilter.h"
 
-//#include <tr1/unordered_map>
 
 mitk::SurfaceInterpolationController::SurfaceInterpolationController()
   :m_SelectedSegmentation(0)
 {
   m_ReduceFilter = ReduceContourSetFilter::New();
   m_NormalsFilter = ComputeContourSetNormalsFilter::New();
   m_InterpolateSurfaceFilter = CreateDistanceImageFromSurfaceFilter::New();
 
   m_ReduceFilter->SetUseProgressBar(false);
   m_NormalsFilter->SetUseProgressBar(false);
   m_InterpolateSurfaceFilter->SetUseProgressBar(false);
 
   m_Contours = Surface::New();
 
   m_PolyData = vtkSmartPointer<vtkPolyData>::New();
   m_PolyData->SetPoints(vtkPoints::New());
 
   m_InterpolationResult = 0;
   m_CurrentNumberOfReducedContours = 0;
-
-//  std::tr1::unordered_map<mitk::PlaneGeometry::Pointer, mitk::Surface::Pointer> contourMap;
-//  unsigned int size = contourMap.size();
-//  MITK_INFO<<size;
 }
 
 mitk::SurfaceInterpolationController::~SurfaceInterpolationController()
 {
   ContourListMap::iterator it = m_ListOfInterpolationSessions.begin();
   for (; it != m_ListOfInterpolationSessions.end(); it++)
   {
       for (unsigned int j = 0; j < m_ListOfInterpolationSessions[(*it).first].size(); ++j)
       {
           delete(m_ListOfInterpolationSessions[(*it).first].at(j).position);
       }
       m_ListOfInterpolationSessions.erase(it);
   }
 
   //Removing all observers
   std::map<mitk::Image*, unsigned long>::iterator dataIter = m_SegmentationObserverTags.begin();
   for (; dataIter != m_SegmentationObserverTags.end(); ++dataIter )
   {
     (*dataIter).first->RemoveObserver( (*dataIter).second );
   }
   m_SegmentationObserverTags.clear();
 }
 
 mitk::SurfaceInterpolationController* mitk::SurfaceInterpolationController::GetInstance()
 {
   static mitk::SurfaceInterpolationController* m_Instance;
 
   if ( m_Instance == 0)
   {
     m_Instance = new SurfaceInterpolationController();
   }
 
   return m_Instance;
 }
 
 void mitk::SurfaceInterpolationController::AddNewContour (mitk::Surface::Pointer newContour ,RestorePlanePositionOperation* op)
 {
   AffineTransform3D::Pointer transform = AffineTransform3D::New();
   transform = op->GetTransform();
 
   mitk::Vector3D direction = op->GetDirectionVector();
   int pos (-1);
 
   for (unsigned int i = 0; i < m_ListOfInterpolationSessions[m_SelectedSegmentation].size(); i++)
   {
       itk::Matrix<ScalarType> diffM = transform->GetMatrix()-m_ListOfInterpolationSessions[m_SelectedSegmentation].at(i).position->GetTransform()->GetMatrix();
       bool isSameMatrix(true);
       for (unsigned int j = 0; j < 3; j++)
       {
         if (fabs(diffM[j][0]) > 0.0001 && fabs(diffM[j][1]) > 0.0001 && fabs(diffM[j][2]) > 0.0001)
         {
           isSameMatrix = false;
           break;
         }
       }
       itk::Vector<ScalarType> diffV = m_ListOfInterpolationSessions[m_SelectedSegmentation].at(i).position->GetTransform()->GetOffset()-transform->GetOffset();
       if ( isSameMatrix && m_ListOfInterpolationSessions[m_SelectedSegmentation].at(i).position->GetPos() == op->GetPos() && (fabs(diffV[0]) < 0.0001 && fabs(diffV[1]) < 0.0001 && fabs(diffV[2]) < 0.0001) )
       {
         pos = i;
         break;
       }
 
   }
 
   //Don't save a new empty contour
   if (pos == -1 && newContour->GetVtkPolyData()->GetNumberOfPoints() > 0)
   {
     mitk::RestorePlanePositionOperation* newOp = new mitk::RestorePlanePositionOperation (OpRESTOREPLANEPOSITION, op->GetWidth(),
       op->GetHeight(), op->GetSpacing(), op->GetPos(), direction, transform);
     ContourPositionPair newData;
     newData.contour = newContour;
     newData.position = newOp;
 
     m_ReduceFilter->SetInput(m_ListOfInterpolationSessions[m_SelectedSegmentation].size(), newContour);
     m_ListOfInterpolationSessions[m_SelectedSegmentation].push_back(newData);
   }
   //Edit a existing contour. If the contour is empty, edit it anyway so that the interpolation will always be consistent
   else if (pos != -1)
   {
     m_ListOfInterpolationSessions[m_SelectedSegmentation].at(pos).contour = newContour;
     m_ReduceFilter->SetInput(pos, newContour);
   }
 
   m_ReduceFilter->Update();
   m_CurrentNumberOfReducedContours = m_ReduceFilter->GetNumberOfOutputs();
 
   for (unsigned int i = 0; i < m_CurrentNumberOfReducedContours; i++)
   {
     m_NormalsFilter->SetInput(i, m_ReduceFilter->GetOutput(i));
     m_InterpolateSurfaceFilter->SetInput(i, m_NormalsFilter->GetOutput(i));
   }
 
   this->Modified();
 }
 
 void mitk::SurfaceInterpolationController::Interpolate()
 {
   if (m_CurrentNumberOfReducedContours< 2)
   {
     //If no interpolation is possible reset the interpolation result
     m_InterpolationResult = 0;
     return;
   }
 
   //Setting up progress bar
    /*
     * Removed due to bug 12441. ProgressBar messes around with Qt event queue which is fatal for segmentation
     */
   //mitk::ProgressBar::GetInstance()->AddStepsToDo(8);
 
   // update the filter and get teh resulting distance-image
   m_InterpolateSurfaceFilter->Update();
   Image::Pointer distanceImage = m_InterpolateSurfaceFilter->GetOutput();
 
   // create a surface from the distance-image
   mitk::ImageToSurfaceFilter::Pointer imageToSurfaceFilter = mitk::ImageToSurfaceFilter::New();
   imageToSurfaceFilter->SetInput( distanceImage );
   imageToSurfaceFilter->SetThreshold( 0 );
   imageToSurfaceFilter->SetSmooth(true);
   imageToSurfaceFilter->SetSmoothIteration(20);
   imageToSurfaceFilter->Update();
   m_InterpolationResult = imageToSurfaceFilter->GetOutput();
 
 
   vtkSmartPointer<vtkAppendPolyData> polyDataAppender = vtkSmartPointer<vtkAppendPolyData>::New();
   for (unsigned int i = 0; i < m_ReduceFilter->GetNumberOfOutputs(); i++)
   {
     polyDataAppender->AddInputData(m_ReduceFilter->GetOutput(i)->GetVtkPolyData());
   }
   polyDataAppender->Update();
   m_Contours->SetVtkPolyData(polyDataAppender->GetOutput());
 
   //Last progress step
   /*
    * Removed due to bug 12441. ProgressBar messes around with Qt event queue which is fatal for segmentation
    */
   //mitk::ProgressBar::GetInstance()->Progress(8);
 
   m_InterpolationResult->DisconnectPipeline();
 }
 
 mitk::Surface::Pointer mitk::SurfaceInterpolationController::GetInterpolationResult()
 {
     return m_InterpolationResult;
 }
 
 mitk::Surface* mitk::SurfaceInterpolationController::GetContoursAsSurface()
 {
   return m_Contours;
 }
 
 void mitk::SurfaceInterpolationController::SetDataStorage(DataStorage::Pointer ds)
 {
   m_DataStorage = ds;
 }
 
 void mitk::SurfaceInterpolationController::SetMinSpacing(double minSpacing)
 {
   m_ReduceFilter->SetMinSpacing(minSpacing);
 }
 
 void mitk::SurfaceInterpolationController::SetMaxSpacing(double maxSpacing)
 {
   m_ReduceFilter->SetMaxSpacing(maxSpacing);
   m_NormalsFilter->SetMaxSpacing(maxSpacing);
 }
 
 void mitk::SurfaceInterpolationController::SetDistanceImageVolume(unsigned int distImgVolume)
 {
   m_InterpolateSurfaceFilter->SetDistanceImageVolume(distImgVolume);
 }
 
 void mitk::SurfaceInterpolationController::SetSegmentationImage(Image* /*workingImage*/)
 {
 //  m_NormalsFilter->SetSegmentationBinaryImage(workingImage);
 }
 
 mitk::Image::Pointer mitk::SurfaceInterpolationController::GetCurrentSegmentation()
 {
   return m_SelectedSegmentation;
 }
 
 mitk::Image* mitk::SurfaceInterpolationController::GetImage()
 {
   return m_InterpolateSurfaceFilter->GetOutput();
 }
 
 double mitk::SurfaceInterpolationController::EstimatePortionOfNeededMemory()
 {
   double numberOfPointsAfterReduction = m_ReduceFilter->GetNumberOfPointsAfterReduction()*3;
   double sizeOfPoints = pow(numberOfPointsAfterReduction,2)*sizeof(double);
   double totalMem = mitk::MemoryUtilities::GetTotalSizeOfPhysicalRam();
   double percentage = sizeOfPoints/totalMem;
   return percentage;
 }
 
 unsigned int mitk::SurfaceInterpolationController::GetNumberOfInterpolationSessions()
 {
   return m_ListOfInterpolationSessions.size();
 }
 
 template<typename TPixel, unsigned int VImageDimension>
 void mitk::SurfaceInterpolationController::GetImageBase(itk::Image<TPixel, VImageDimension>* input, itk::ImageBase<3>::Pointer& result)
 {
   result->Graft(input);
 }
 
 void mitk::SurfaceInterpolationController::SetCurrentSegmentationInterpolationList(mitk::Image::Pointer segmentation)
 {
   this->SetCurrentInterpolationSession(segmentation);
 }
 
 void mitk::SurfaceInterpolationController::SetCurrentInterpolationSession(mitk::Image::Pointer currentSegmentationImage)
 {
   if (currentSegmentationImage.GetPointer() == m_SelectedSegmentation)
     return;
 
   m_ReduceFilter->Reset();
   m_NormalsFilter->Reset();
   m_InterpolateSurfaceFilter->Reset();
 
   if (currentSegmentationImage.IsNull())
   {
     m_SelectedSegmentation = 0;
     return;
   }
   ContourListMap::iterator it = m_ListOfInterpolationSessions.find(currentSegmentationImage.GetPointer());
 
   m_SelectedSegmentation = currentSegmentationImage.GetPointer();
 
   itk::ImageBase<3>::Pointer itkImage = itk::ImageBase<3>::New();
   AccessFixedDimensionByItk_1( m_SelectedSegmentation, GetImageBase, 3, itkImage );
   m_InterpolateSurfaceFilter->SetReferenceImage( itkImage.GetPointer() );
 
   if (it == m_ListOfInterpolationSessions.end())
   {
     ContourPositionPairList newList;
     m_ListOfInterpolationSessions.insert(std::pair<mitk::Image*, ContourPositionPairList>(m_SelectedSegmentation, newList));
     m_InterpolationResult = 0;
     m_CurrentNumberOfReducedContours = 0;
 
-    MITK_INFO<<"Adding observer for: "<<m_SelectedSegmentation;
     itk::MemberCommand<SurfaceInterpolationController>::Pointer command = itk::MemberCommand<SurfaceInterpolationController>::New();
     command->SetCallbackFunction(this, &SurfaceInterpolationController::OnSegmentationDeleted);
     m_SegmentationObserverTags.insert( std::pair<mitk::Image*, unsigned long>( m_SelectedSegmentation, m_SelectedSegmentation->AddObserver( itk::DeleteEvent(), command ) ) );
 
   }
   else
   {
     for (unsigned int i = 0; i < m_ListOfInterpolationSessions[m_SelectedSegmentation].size(); i++)
     {
       m_ReduceFilter->SetInput(i, m_ListOfInterpolationSessions[m_SelectedSegmentation].at(i).contour);
     }
 
     m_ReduceFilter->Update();
 
     m_CurrentNumberOfReducedContours = m_ReduceFilter->GetNumberOfOutputs();
 
     for (unsigned int i = 0; i < m_CurrentNumberOfReducedContours; i++)
     {
       m_NormalsFilter->SetInput(i, m_ReduceFilter->GetOutput(i));
       m_InterpolateSurfaceFilter->SetInput(i, m_NormalsFilter->GetOutput(i));
     }
   }
   Modified();
 }
 
 void mitk::SurfaceInterpolationController::RemoveSegmentationFromContourList(mitk::Image *segmentation)
 {
   this->RemoveInterpolationSession(segmentation);
 }
 
 void mitk::SurfaceInterpolationController::RemoveInterpolationSession(mitk::Image::Pointer segmentationImage)
 {
   if (segmentationImage)
   {
-//    MITK_INFO<<"Removing: "<<segmentationImage;
     if (m_SelectedSegmentation == segmentationImage)
     {
       SetSegmentationImage(NULL);
       m_SelectedSegmentation = 0;
     }
     m_ListOfInterpolationSessions.erase(segmentationImage);
     // Remove observer
     std::map<mitk::Image*, unsigned long>::iterator pos = m_SegmentationObserverTags.find(segmentationImage);
     if (pos != m_SegmentationObserverTags.end())
     {
-//      MITK_INFO<<"Removing observer for: "<<segmentationImage.GetPointer()<<" dataIter: "<<(*pos).first;
       segmentationImage->RemoveObserver((*pos).second);
       m_SegmentationObserverTags.erase(pos);
     }
   }
 }
 
 void mitk::SurfaceInterpolationController::RemoveAllInterpolationSessions()
 {
   //Removing all observers
   std::map<mitk::Image*, unsigned long>::iterator dataIter = m_SegmentationObserverTags.begin();
-  MITK_INFO<<"[REMOVE_ALL]: "<<m_SegmentationObserverTags.size();
   while (dataIter != m_SegmentationObserverTags.end())
   {
     mitk::Image* image = (*dataIter).first;
-    MITK_INFO<<"[REMOVE_ALL]: "<<image;
-//    this->RemoveInterpolationSession((*dataIter).first);
     image->RemoveObserver((*dataIter).second);
     ++dataIter;
   }
 
   m_SegmentationObserverTags.clear();
   m_SelectedSegmentation = 0;
   m_ListOfInterpolationSessions.clear();
 }
 
 void mitk::SurfaceInterpolationController::OnSegmentationDeleted(const itk::Object *caller, const itk::EventObject &/*event*/)
 {
   mitk::Image* tempImage = dynamic_cast<mitk::Image*>(const_cast<itk::Object*>(caller));
   if (tempImage)
   {
-//    MITK_INFO<<"Deleted: "<<tempImage;
-//    // Remove observer
-//    std::map<mitk::Image*, unsigned long>::iterator pos = m_SegmentationObserverTags.find(tempImage);
-//    if (pos != m_SegmentationObserverTags.end())
-//    {
-//      tempImage->RemoveObserver((*pos).second);
-//      m_SegmentationObserverTags.erase(pos);
-//    }
-//    RemoveInterpolationSession(tempImage);
     if (m_SelectedSegmentation == tempImage)
     {
       SetSegmentationImage(NULL);
       m_SelectedSegmentation = 0;
     }
-    size_t num_el =  m_ListOfInterpolationSessions.erase(tempImage);
-    MITK_INFO<<"deleted: "<<num_el<<" --- new size: "<<m_ListOfInterpolationSessions.size();
-//    std::map<mitk::Image*, unsigned long>::iterator pos = m_SegmentationObserverTags.find(tempImage);
-//    (*pos).first->RemoveObserver((*pos).second);
     m_SegmentationObserverTags.erase(tempImage);
+    m_ListOfInterpolationSessions.erase(tempImage);
   }
 }