diff --git a/Modules/Segmentation/Controllers/mitkSurfaceInterpolationController.cpp b/Modules/Segmentation/Controllers/mitkSurfaceInterpolationController.cpp
index 54aa6fa3ba..9a42bac728 100644
--- a/Modules/Segmentation/Controllers/mitkSurfaceInterpolationController.cpp
+++ b/Modules/Segmentation/Controllers/mitkSurfaceInterpolationController.cpp
@@ -1,245 +1,246 @@
 /*===================================================================
 
 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"
 
 mitk::SurfaceInterpolationController::SurfaceInterpolationController()
 : m_CurrentContourListID (0)
 {
   m_ReduceFilter = ReduceContourSetFilter::New();
   m_NormalsFilter = ComputeContourSetNormalsFilter::New();
   m_InterpolateSurfaceFilter = CreateDistanceImageFromSurfaceFilter::New();
 
   m_ReduceFilter->SetUseProgressBar(true);
   m_NormalsFilter->SetUseProgressBar(true);
   m_InterpolateSurfaceFilter->SetUseProgressBar(true);
 
   m_Contours = Surface::New();
 
   m_PolyData = vtkSmartPointer<vtkPolyData>::New();
   m_PolyData->SetPoints(vtkPoints::New());
 
   m_InterpolationResult = 0;
+  m_CurrentNumberOfReducedContours = 0;
 }
 
 mitk::SurfaceInterpolationController::~SurfaceInterpolationController()
 {
   for (unsigned int i = 0; i < m_ListOfContourLists.size(); ++i)
   {
       for (unsigned int j = 0; j < m_ListOfContourLists.at(i).size(); ++j)
       {
           delete(m_ListOfContourLists.at(i).at(j).position);
       }
   }
 }
 
 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_ListOfContourLists.at(m_CurrentContourListID).size(); i++)
   {
       itk::Matrix<float> diffM = transform->GetMatrix()-m_ListOfContourLists.at(m_CurrentContourListID).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<float> diffV = m_ListOfContourLists.at(m_CurrentContourListID).at(i).position->GetTransform()->GetOffset()-transform->GetOffset();
       if ( isSameMatrix && m_ListOfContourLists.at(m_CurrentContourListID).at(i).position->GetPos() == op->GetPos() && (fabs(diffV[0]) < 0.0001 && fabs(diffV[1]) < 0.0001 && fabs(diffV[2]) < 0.0001) )
       {
         pos = i;
         break;
       }
     
   }
 
   if (pos == -1)
   {
     //MITK_INFO<<"New Contour";
     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_ListOfContourLists.at(m_CurrentContourListID).size(), newContour);
     m_ListOfContourLists.at(m_CurrentContourListID).push_back(newData);
   }
   else
   {
     //MITK_INFO<<"Modified Contour";
     m_ListOfContourLists.at(m_CurrentContourListID).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)
     return;
 
   //Setting up progress bar
   mitk::ProgressBar::GetInstance()->AddStepsToDo(8);
 
   m_InterpolateSurfaceFilter->Update();
 
   Image::Pointer distanceImage = m_InterpolateSurfaceFilter->GetOutput();
 
   vtkSmartPointer<vtkMarchingCubes> mcFilter = vtkMarchingCubes::New();
   mcFilter->SetInput(distanceImage->GetVtkImageData());
   mcFilter->SetValue(0,0);
   mcFilter->Update();
 
   m_InterpolationResult = 0;
   m_InterpolationResult = mitk::Surface::New();
   m_InterpolationResult->SetVtkPolyData(mcFilter->GetOutput());
   m_InterpolationResult->GetGeometry()->SetOrigin(distanceImage->GetGeometry()->GetOrigin());
 
   vtkSmartPointer<vtkAppendPolyData> polyDataAppender = vtkSmartPointer<vtkAppendPolyData>::New();
   for (unsigned int i = 0; i < m_ReduceFilter->GetNumberOfOutputs(); i++)
   {
     polyDataAppender->AddInput(m_ReduceFilter->GetOutput(i)->GetVtkPolyData());
   }
   polyDataAppender->Update();
   m_Contours->SetVtkPolyData(polyDataAppender->GetOutput());
 
   //Last progress step
   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 &ds)
 {
   m_DataStorage = &ds;
 }
 
 unsigned int mitk::SurfaceInterpolationController::CreateNewContourList()
 {
   unsigned int newID =  m_ListOfContourLists.size();
   ContourPositionPairList newList;
   m_ListOfContourLists.push_back(newList);
   this->SetCurrentListID(newID);
   m_InterpolationResult = 0;
   return m_CurrentContourListID;
 }
 
 void mitk::SurfaceInterpolationController::SetCurrentListID ( unsigned int ID )
 {
   if (ID == m_CurrentContourListID )
     return;
 
   m_CurrentContourListID = ID;
 
   m_ReduceFilter->Reset();
   m_NormalsFilter->Reset();
   m_InterpolateSurfaceFilter->Reset();
   
   for (unsigned int i = 0; i < m_ListOfContourLists.at(m_CurrentContourListID).size(); i++)
   {
     m_ReduceFilter->SetInput(i, m_ListOfContourLists.at(m_CurrentContourListID).at(i).contour);
 //    m_NormalsFilter->SetInput(i,m_ReduceFilter->GetOutput(i));
 //    m_InterpolateSurfaceFilter->SetInput(i,m_NormalsFilter->GetOutput(i));
   }
 
   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));
   }
 }
 
 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::SetWorkingImage(Image* workingImage)
 {
   m_NormalsFilter->SetSegmentationBinaryImage(workingImage);
 }
 
 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;
 }