diff --git a/Core/Code/DataManagement/mitkPointSet.cpp b/Core/Code/DataManagement/mitkPointSet.cpp
index b98affc4c8..13f5b3b5e6 100755
--- a/Core/Code/DataManagement/mitkPointSet.cpp
+++ b/Core/Code/DataManagement/mitkPointSet.cpp
@@ -1,786 +1,786 @@
 /*===================================================================
 
 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 "mitkPointSet.h"
 #include "mitkPointOperation.h"
 #include "mitkInteractionConst.h"
 
 
 mitk::PointSet::PointSet()
 {
   this->InitializeEmpty();
 }
 
 mitk::PointSet::PointSet(const PointSet &other): BaseData(other)
 {
    this->Expand(other.GetTimeSteps());
    for (unsigned int t=0; t < other.GetTimeSteps(); t++)
    {
       for (int i=0; i< other.GetSize(t); i++)
       {
          this->InsertPoint(i, other.GetPoint(i,t), t);
       }
    }
    this->SetGeometry(other.GetGeometry());   
 }
 
 mitk::PointSet::~PointSet()
 {
   this->ClearData();
 }
 
 void mitk::PointSet::ClearData()
 {
   m_PointSetSeries.clear();
   Superclass::ClearData();
 }
 
 void mitk::PointSet::InitializeEmpty()
 {
   m_PointSetSeries.resize( 1 );
 
   m_PointSetSeries[0] = DataType::New();
   PointDataContainer::Pointer pointData = PointDataContainer::New();
   m_PointSetSeries[0]->SetPointData( pointData );
   m_CalculateBoundingBox = false;
 
   Superclass::InitializeTimeSlicedGeometry(1);
   m_Initialized = true;
 }
 
 bool mitk::PointSet::IsEmptyTimeStep(unsigned int t) const
 {
   return IsInitialized() && (GetSize(t) == 0);
 }
 
 void mitk::PointSet::Expand( unsigned int timeSteps )
 {
   // Check if the vector is long enough to contain the new element
   // at the given position. If not, expand it with sufficient pre-initialized
   // elements.
   //
   // NOTE: This method will never REDUCE the vector size; it should only
   // be used to make sure that the vector has enough elements to include the
   // specified time step.
 
   unsigned int oldSize = m_PointSetSeries.size();
 
   if ( timeSteps > oldSize )
   {
     Superclass::Expand( timeSteps );
 
     m_PointSetSeries.resize( timeSteps );
     for ( unsigned int i = oldSize; i < timeSteps; ++i )
     {
       m_PointSetSeries[i] = DataType::New();
       PointDataContainer::Pointer pointData = PointDataContainer::New();
       m_PointSetSeries[i]->SetPointData( pointData );
     }
 
     //if the size changes, then compute the bounding box
     m_CalculateBoundingBox = true;
 
     this->InvokeEvent( PointSetExtendTimeRangeEvent() );
   }
 }
 
 
 unsigned int mitk::PointSet::GetPointSetSeriesSize() const
 {
   return m_PointSetSeries.size();
 }
 
 
 int mitk::PointSet::GetSize( unsigned int t ) const
 {
   if ( t < m_PointSetSeries.size() )
   {
     return m_PointSetSeries[t]->GetNumberOfPoints();
   }
   else
   {
     return 0;
   }
 }
 
 mitk::PointSet::DataType::Pointer mitk::PointSet::GetPointSet( int t ) const
 {
   if ( t < (int)m_PointSetSeries.size() )
   {
     return m_PointSetSeries[t];
   }
   else
   {
     return NULL;
   }
 }
 
 int mitk::PointSet::SearchPoint( Point3D point, float distance, int t  ) const
 {
   if ( t >= (int)m_PointSetSeries.size() )
   {
     return -1;
   }
   
   // Out is the point which is checked to be the searched point
   PointType out;
   out.Fill( 0 );
   PointType indexPoint;
 
   this->GetGeometry( t )->WorldToIndex(point, indexPoint);
 
   // Searching the first point in the Set, that is +- distance far away fro
   // the given point
   unsigned int i;
   PointsContainer::Iterator it, end;
   end = m_PointSetSeries[t]->GetPoints()->End();
   int bestIndex = -1;
   distance = distance * distance;
   
   // To correct errors from converting index to world and world to index
   if (distance == 0.0)
   {
     distance = 0.000001;
   }
 
   ScalarType bestDist = distance;
   ScalarType dist, tmp;
 
   for ( it = m_PointSetSeries[t]->GetPoints()->Begin(), i = 0;
         it != end; 
         ++it, ++i )
   {
     bool ok = m_PointSetSeries[t]->GetPoints()
       ->GetElementIfIndexExists( it->Index(), &out );
 
     if ( !ok )
     {
       return -1;
     }
     else if ( indexPoint == out ) //if totally equal
     {
       return it->Index();
     }
 
     //distance calculation
     tmp = out[0] - indexPoint[0]; dist  = tmp * tmp;
     tmp = out[1] - indexPoint[1]; dist += tmp * tmp;
     tmp = out[2] - indexPoint[2]; dist += tmp * tmp;
 
     if ( dist < bestDist )
     {
       bestIndex = it->Index();
       bestDist  = dist;
     }
   }
   return bestIndex;
 }
 
 mitk::PointSet::PointType 
 mitk::PointSet::GetPoint( PointIdentifier id, int t ) const
 {
   PointType out;
   out.Fill(0);
 
   if ( (unsigned int) t >= m_PointSetSeries.size() )
   {
     return out;
   }
 
   if ( m_PointSetSeries[t]->GetPoints()->IndexExists(id) )
   {
     m_PointSetSeries[t]->GetPoint( id, &out );
     this->GetGeometry(t)->IndexToWorld( out, out );
     return out;
   }
   else
   {
     return out;
   }
 }
 
 
 bool 
 mitk::PointSet
 ::GetPointIfExists( PointIdentifier id, PointType* point, int t ) const
 {
   if ( (unsigned int) t >= m_PointSetSeries.size() )
   {
     return false;
   }
 
   if ( m_PointSetSeries[t]->GetPoints()->GetElementIfIndexExists(id, point) )
   {
     this->GetGeometry( t )->IndexToWorld( *point, *point );
     return true;
   }
   else
   {
     return false;
   }
 }
 
 
 void mitk::PointSet::SetPoint( PointIdentifier id, PointType point, int t )
 {
   // Adapt the size of the data vector if necessary
   this->Expand( t+1 );
 
   mitk::Point3D indexPoint;
   this->GetGeometry( t )->WorldToIndex( point, indexPoint );
   m_PointSetSeries[t]->SetPoint( id, indexPoint );
   PointDataType defaultPointData;
   defaultPointData.id = id;
   defaultPointData.selected = false;
   defaultPointData.pointSpec = mitk::PTUNDEFINED;
 
   m_PointSetSeries[t]->SetPointData( id, defaultPointData );
   //boundingbox has to be computed anyway
   m_CalculateBoundingBox = true;
   this->Modified();
 }
 
 
 void mitk::PointSet::SetPoint( PointIdentifier id, PointType point, PointSpecificationType spec, int t )
 {
   // Adapt the size of the data vector if necessary
   this->Expand( t+1 );
 
   mitk::Point3D indexPoint;
   this->GetGeometry( t )->WorldToIndex( point, indexPoint );
   m_PointSetSeries[t]->SetPoint( id, indexPoint );
   PointDataType defaultPointData;
   defaultPointData.id = id;
   defaultPointData.selected = false;
   defaultPointData.pointSpec = spec;
   m_PointSetSeries[t]->SetPointData( id, defaultPointData );
   //boundingbox has to be computed anyway
   m_CalculateBoundingBox = true;
   this->Modified();
 }
 
 
 void mitk::PointSet::InsertPoint( PointIdentifier id, PointType point, int t )
 {
   if ( (unsigned int) t < m_PointSetSeries.size() )
   {
     mitk::Point3D indexPoint;
     mitk::Geometry3D* tempGeometry = this->GetGeometry( t );
     if (tempGeometry == NULL)
     {
       MITK_INFO<< __FILE__ << ", l." << __LINE__ << ": GetGeometry of "<< t <<" returned NULL!" << std::endl;
       return;
     }
     tempGeometry->WorldToIndex( point, indexPoint );
     m_PointSetSeries[t]->GetPoints()->InsertElement( id, indexPoint );
     PointDataType defaultPointData;
     defaultPointData.id = id;
     defaultPointData.selected = false;
     defaultPointData.pointSpec = mitk::PTUNDEFINED;
     m_PointSetSeries[t]->GetPointData()->InsertElement(id, defaultPointData);
 
     //boundingbox has to be computed anyway
     m_CalculateBoundingBox = true;
     this->Modified();
   }
 }
 
 
 void mitk::PointSet::InsertPoint( PointIdentifier id, PointType point, PointSpecificationType spec, int t )
 {
   if ( (unsigned int) t < m_PointSetSeries.size() )
   {
     mitk::Point3D indexPoint;
     mitk::Geometry3D* tempGeometry = this->GetGeometry( t );
     if (tempGeometry == NULL)
     {
       MITK_INFO<< __FILE__ << ", l." << __LINE__ << ": GetGeometry of "<< t <<" returned NULL!" << std::endl;
       return;
     }
     tempGeometry->WorldToIndex( point, indexPoint );
     m_PointSetSeries[t]->GetPoints()->InsertElement( id, indexPoint );
     PointDataType defaultPointData;
     defaultPointData.id = id;
     defaultPointData.selected = false;
     defaultPointData.pointSpec = spec;
     m_PointSetSeries[t]->GetPointData()->InsertElement(id, defaultPointData);
 
     //boundingbox has to be computed anyway
     m_CalculateBoundingBox = true;
     this->Modified();
   }
 }
 
 
 bool mitk::PointSet::SwapPointPosition( PointIdentifier id, bool moveUpwards, int t )
 {
   if(IndexExists(id, t) )
   {
     PointType point = GetPoint(id,t);
 
     if(moveUpwards)
     {//up
       if(IndexExists(id-1,t))
       {
         InsertPoint(id, GetPoint(id - 1, t), t);
         InsertPoint(id-1,point,t);
         this->Modified();
         return true;
       }
     }
     else
     {//down
       if(IndexExists(id+1,t))
       {
         InsertPoint(id, GetPoint(id + 1, t), t);
         InsertPoint(id+1,point,t);
         this->Modified();
         return true;
       }
     }
   }
   return false;
 }
 
 bool mitk::PointSet::IndexExists( int position, int t ) const
 {
   if ( (unsigned int) t < m_PointSetSeries.size() )
   {
     return m_PointSetSeries[t]->GetPoints()->IndexExists( position );
   }
   else
   {
     return false;
   }
 }
 
 bool mitk::PointSet::GetSelectInfo( int position, int t ) const
 {
   if ( this->IndexExists( position, t ) )
   {
     PointDataType pointData = { 0, false, PTUNDEFINED };
     m_PointSetSeries[t]->GetPointData( position, &pointData );
     return pointData.selected;
   }
   else
   {
     return false;
   }
 }
 
   
 void mitk::PointSet::SetSelectInfo( int position, bool selected, int t )
 {
   if ( this->IndexExists( position, t ) )
   {
     // timeStep to ms
     ScalarType timeInMS = this->GetTimeSlicedGeometry()->TimeStepToMS( t );
 
     // point
     Point3D point = this->GetPoint( position, t );
 
     PointOperation* op;
     if (selected)
     {
       op = new mitk::PointOperation(OpSELECTPOINT, timeInMS, point, position );
     }
     else
     {
       op = new mitk::PointOperation(OpDESELECTPOINT, timeInMS, point, position );
     }
       
     this->ExecuteOperation( op );
   }
 }
 
 mitk::PointSpecificationType mitk::PointSet::GetSpecificationTypeInfo( int position, int t ) const
 {
   if ( this->IndexExists( position, t ) )
   {
     PointDataType pointData = { 0, false, PTUNDEFINED };
     m_PointSetSeries[t]->GetPointData( position, &pointData );
     return pointData.pointSpec;
   }
   else
   {
     return PTUNDEFINED;
   }
 }
 
 int mitk::PointSet::GetNumberOfSelected( int t ) const
 {
   if ( (unsigned int) t >= m_PointSetSeries.size() )
   {
     return 0;
   }
 
   int numberOfSelected = 0;
   PointDataIterator it;
   for ( it = m_PointSetSeries[t]->GetPointData()->Begin();
         it != m_PointSetSeries[t]->GetPointData()->End();
         it++ )
   {
     if (it->Value().selected == true)
     {
       ++numberOfSelected;
     }
   }
 
   return numberOfSelected;
 }
 
 
 int mitk::PointSet::SearchSelectedPoint( int t ) const
 {
   if ( (unsigned int) t >= m_PointSetSeries.size() )
   {
     return -1;
   }
 
   PointDataIterator it;
   for ( it = m_PointSetSeries[t]->GetPointData()->Begin(); 
         it != m_PointSetSeries[t]->GetPointData()->End();
         it++ )
   {
     if ( it->Value().selected == true )
     {
       return it->Index();
     }
   }
   return -1;
 }
 
 void mitk::PointSet::ExecuteOperation( Operation* operation )
 {
   int timeStep = -1;
 
   mitkCheckOperationTypeMacro(PointOperation, operation, pointOp);
 
   if ( pointOp )
   {
     timeStep = this->GetTimeSlicedGeometry()
       ->MSToTimeStep( pointOp->GetTimeInMS() );
   }
 
   if ( timeStep < 0 )
   {
     MITK_ERROR << "Time step (" << timeStep << ") outside of PointSet time bounds" << std::endl;
     return;
   }
 
   switch (operation->GetOperationType())
   {
   case OpNOTHING:
     break;
 
   case OpINSERT://inserts the point at the given position and selects it. 
     {
       int position = pointOp->GetIndex();
 
       PointType pt;
       pt.CastFrom(pointOp->GetPoint());
 
       //transfer from world to index coordinates 
       mitk::Geometry3D* geometry = this->GetGeometry( timeStep );
       if (geometry == NULL)
       {
         MITK_INFO<<"GetGeometry returned NULL!\n";
         return;
       }
       geometry->WorldToIndex(pt, pt);
 
       m_PointSetSeries[timeStep]->GetPoints()->InsertElement(position, pt);
 
       PointDataType pointData = 
       {
-        pointOp->GetIndex(), 
+        static_cast<unsigned int>(pointOp->GetIndex()), 
         pointOp->GetSelected(), 
         pointOp->GetPointType()
       };
 
       m_PointSetSeries[timeStep]->GetPointData()
         ->InsertElement(position, pointData);
 
       this->Modified();
       
       //boundingbox has to be computed
       m_CalculateBoundingBox = true;
 
       this->InvokeEvent( PointSetAddEvent() );
       this->OnPointSetChange();
     }
     break;
 
   case OpMOVE://moves the point given by index
     {
       PointType pt;
       pt.CastFrom(pointOp->GetPoint());
       
       //transfer from world to index coordinates 
       this->GetGeometry( timeStep )->WorldToIndex(pt, pt);
 
       // Copy new point into container
       m_PointSetSeries[timeStep]->SetPoint(pointOp->GetIndex(), pt);
 
       // Insert a default point data object to keep the containers in sync
       // (if no point data object exists yet)
       PointDataType pointData;
       if ( !m_PointSetSeries[timeStep]->GetPointData( pointOp->GetIndex(), &pointData ) )
       {
         m_PointSetSeries[timeStep]->SetPointData( pointOp->GetIndex(), pointData );
       }
 
       this->OnPointSetChange();
 
       this->Modified();
 
       //boundingbox has to be computed anyway
       m_CalculateBoundingBox = true;
 
       this->InvokeEvent( PointSetMoveEvent() );
     }
     break;
 
   case OpREMOVE://removes the point at given by position 
     {
       m_PointSetSeries[timeStep]->GetPoints()->DeleteIndex((unsigned)pointOp->GetIndex());
       m_PointSetSeries[timeStep]->GetPointData()->DeleteIndex((unsigned)pointOp->GetIndex());
 
       this->OnPointSetChange();
 
       this->Modified();
       //boundingbox has to be computed anyway
       m_CalculateBoundingBox = true;
 
       this->InvokeEvent( PointSetRemoveEvent() );
     }
     break;
 
   case OpSELECTPOINT://select the given point
     {
       PointDataType pointData = {0, false, PTUNDEFINED};
       m_PointSetSeries[timeStep]->GetPointData(pointOp->GetIndex(), &pointData);
       pointData.selected = true;
       m_PointSetSeries[timeStep]->SetPointData(pointOp->GetIndex(), pointData);
       this->Modified();
     }
     break;
 
   case OpDESELECTPOINT://unselect the given point
     {
       PointDataType pointData = {0, false, PTUNDEFINED};
       m_PointSetSeries[timeStep]->GetPointData(pointOp->GetIndex(), &pointData);
       pointData.selected = false;
       m_PointSetSeries[timeStep]->SetPointData(pointOp->GetIndex(), pointData);
       this->Modified();
     }
     break;
 
   case OpSETPOINTTYPE:
     {
       PointDataType pointData = {0, false, PTUNDEFINED};
       m_PointSetSeries[timeStep]->GetPointData(pointOp->GetIndex(), &pointData);
       pointData.pointSpec = pointOp->GetPointType();
       m_PointSetSeries[timeStep]->SetPointData(pointOp->GetIndex(), pointData);
       this->Modified();
     }
     break;
 
   case OpMOVEPOINTUP: // swap content of point with ID pointOp->GetIndex() with the point preceding it in the container // move point position within the pointset 
     {
       PointIdentifier currentID = pointOp->GetIndex();
       /* search for point with this id and point that precedes this one in the data container */
       PointsContainer::STLContainerType points = m_PointSetSeries[timeStep]->GetPoints()->CastToSTLContainer();
       PointsContainer::STLContainerType::iterator it = points.find(currentID);
       if (it == points.end()) // ID not found
         break;
       if (it == points.begin()) // we are at the first element, there is no previous element
         break;
 
       /* get and cache current point & pointdata and previous point & pointdata */
       --it; 
       PointIdentifier prevID = it->first;
       if (this->SwapPointContents(prevID, currentID, timeStep) == true)
         this->Modified();
     }
     break;
   case OpMOVEPOINTDOWN: // move point position within the pointset 
     {
       PointIdentifier currentID = pointOp->GetIndex();
       /* search for point with this id and point that succeeds this one in the data container */
       PointsContainer::STLContainerType points = m_PointSetSeries[timeStep]->GetPoints()->CastToSTLContainer();
       PointsContainer::STLContainerType::iterator it = points.find(currentID);
       if (it == points.end()) // ID not found
         break;
       ++it;
       if (it == points.end()) // ID is already the last element, there is no succeeding element
         break;
 
       /* get and cache current point & pointdata and previous point & pointdata */
       PointIdentifier nextID = it->first;
       if (this->SwapPointContents(nextID, currentID, timeStep) == true)
         this->Modified();
     }
     break;
 
   default:
     itkWarningMacro("mitkPointSet could not understrand the operation. Please check!");
     break;
   }
   
   //to tell the mappers, that the data is modified and has to be updated 
   //only call modified if anything is done, so call in cases
   //this->Modified();
 
   mitk::OperationEndEvent endevent(operation);
   ((const itk::Object*)this)->InvokeEvent(endevent);
 
   //*todo has to be done here, cause of update-pipeline not working yet
   // As discussed lately, don't mess with the rendering from inside data structures
   //mitk::RenderingManager::GetInstance()->RequestUpdateAll();
 }
 
 
 void mitk::PointSet::UpdateOutputInformation()
 {
   if ( this->GetSource( ) )
   {
       this->GetSource( )->UpdateOutputInformation( );
   }
 
   //
   // first make sure, that the associated time sliced geometry has
   // the same number of geometry 3d's as PointSets are present
   //
   mitk::TimeSlicedGeometry* timeGeometry = GetTimeSlicedGeometry();
   if ( timeGeometry->GetTimeSteps() != m_PointSetSeries.size() )
   {
     itkExceptionMacro(<<"timeGeometry->GetTimeSteps() != m_PointSetSeries.size() -- use Initialize(timeSteps) with correct number of timeSteps!");
   }
 
   // This is needed to detect zero objects
   mitk::ScalarType nullpoint[]={0,0,0,0,0,0};
   BoundingBox::BoundsArrayType itkBoundsNull(nullpoint);
 
   //
   // Iterate over the PointSets and update the Geometry
   // information of each of the items.
   //
   if (m_CalculateBoundingBox)
   {
     for ( unsigned int i = 0 ; i < m_PointSetSeries.size() ; ++i )
     {
       const DataType::BoundingBoxType *bb = m_PointSetSeries[i]->GetBoundingBox();
       BoundingBox::BoundsArrayType itkBounds = bb->GetBounds();
 
       if ( m_PointSetSeries[i].IsNull() || (m_PointSetSeries[i]->GetNumberOfPoints() == 0) 
         || (itkBounds == itkBoundsNull) )
       {
         itkBounds = itkBoundsNull;
         continue;
       }
       
       // Ensure minimal bounds of 1.0 in each dimension
       for ( unsigned int j = 0; j < 3; ++j )
       {
         if ( itkBounds[j*2+1] - itkBounds[j*2] < 1.0 )
         {
           BoundingBox::CoordRepType center = 
             (itkBounds[j*2] + itkBounds[j*2+1]) / 2.0;
           itkBounds[j*2] = center - 0.5;
           itkBounds[j*2+1] = center + 0.5;
         }
       }
       this->GetGeometry(i)->SetBounds(itkBounds);
     }
     m_CalculateBoundingBox = false;
   }
   this->GetTimeSlicedGeometry()->UpdateInformation();
 }
 
 void mitk::PointSet::SetRequestedRegionToLargestPossibleRegion()
 {
 }
 
 bool mitk::PointSet::RequestedRegionIsOutsideOfTheBufferedRegion()
 {
     return false;
 }
 
 bool mitk::PointSet::VerifyRequestedRegion()
 {
     return true;
 }
 
 void mitk::PointSet::SetRequestedRegion( itk::DataObject * )
 {
 }
 
 
 void mitk::PointSet::PrintSelf( std::ostream& os, itk::Indent indent ) const
 {
   Superclass::PrintSelf(os, indent);
 
   os << indent << "Number timesteps: " << m_PointSetSeries.size() << "\n";
   unsigned int i = 0;
   for (PointSetSeries::const_iterator it = m_PointSetSeries.begin(); it != m_PointSetSeries.end(); ++it)
   {
     os << indent << "Timestep " << i++ << ": \n";
     MeshType::Pointer ps = *it;
     itk::Indent nextIndent = indent.GetNextIndent();
     ps->Print(os, nextIndent);
     MeshType::PointsContainer* points = ps->GetPoints();
     MeshType::PointDataContainer* datas = ps->GetPointData();
     MeshType::PointDataContainer::Iterator dataIterator = datas->Begin();
     for (MeshType::PointsContainer::Iterator pointIterator = points->Begin();
       pointIterator != points->End(); 
       ++pointIterator, ++dataIterator)
     {
       os << nextIndent << "Point " << pointIterator->Index() << ": [";
       os << pointIterator->Value().GetElement(0);
       for (unsigned int i = 1; i < PointType::GetPointDimension(); ++i)
       {
         os << ", " << pointIterator->Value().GetElement(i);
       }
       os << "]";
       os << ", selected: " << dataIterator->Value().selected << ", point spec: " << dataIterator->Value().pointSpec << "\n";
     }
   }
 }
 
 bool mitk::PointSet::SwapPointContents(PointIdentifier id1, PointIdentifier id2, int timeStep)
 {
   /* search and cache contents */
   PointType p1;
   if (m_PointSetSeries[timeStep]->GetPoint(id1, &p1) == false)
     return false;
   PointDataType data1;
   if (m_PointSetSeries[timeStep]->GetPointData(id1, &data1) == false)
     return false;
   PointType p2;
   if (m_PointSetSeries[timeStep]->GetPoint(id2, &p2) == false)
     return false;
   PointDataType data2;
   if (m_PointSetSeries[timeStep]->GetPointData(id2, &data2) == false)
     return false;
   /* now swap contents */
   m_PointSetSeries[timeStep]->SetPoint(id1, p2);
   m_PointSetSeries[timeStep]->SetPointData(id1, data2);
   m_PointSetSeries[timeStep]->SetPoint(id2, p1);
   m_PointSetSeries[timeStep]->SetPointData(id2, data1);
   return true;
 }
diff --git a/Core/Code/Interactions/mitkPositionTracker.cpp b/Core/Code/Interactions/mitkPositionTracker.cpp
index 525653b7ce..6eb5fbd743 100755
--- a/Core/Code/Interactions/mitkPositionTracker.cpp
+++ b/Core/Code/Interactions/mitkPositionTracker.cpp
@@ -1,84 +1,84 @@
 /*===================================================================
 
 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 <mitkPositionTracker.h>
 
 #include <mitkBaseRenderer.h>
 #include <mitkDataStorage.h>
 #include <mitkNodePredicateProperty.h>
 #include <mitkDisplayPositionEvent.h>
 #include <mitkAction.h>
 #include <mitkStateEvent.h>
 #include <mitkUndoController.h>
 #include <mitkInteractionConst.h>
 #include <mitkPointSet.h>
 #include <mitkRenderingManager.h>
 #include <mitkVector.h> // for PointDataType 
 #include <mitkProperties.h>
 
 
 mitk::PositionTracker::PositionTracker(const char * type, mitk::OperationActor* /*operationActor*/)
 : mitk::StateMachine(type)
 {}
 
 
 bool mitk::PositionTracker::ExecuteAction(Action* /*action*/, mitk::StateEvent const* stateEvent)
 {
   bool ok = false;
   const DisplayPositionEvent* displayPositionEvent = dynamic_cast<const DisplayPositionEvent*>(stateEvent->GetEvent());
 
   mitk::DataNode::Pointer  dtnode;
   mitk::DataStorage* ds = NULL;
   if (displayPositionEvent == NULL)
     return false;
 
   if (stateEvent->GetEvent()->GetSender()!=NULL)
   {
     ds = stateEvent->GetEvent()->GetSender()->GetDataStorage();
   }
   else
   {
     itkWarningMacro(<<"StateEvent::GetSender()==NULL - setting timeInMS to 0");
     return false;
   }
   if (ds == NULL) 
     return false;
 
   // looking for desired point set
   dtnode = ds->GetNode(mitk::NodePredicateProperty::New("inputdevice", mitk::BoolProperty::New(true)));
   if (dtnode.IsNull())
     return false;
 
   dtnode->SetIntProperty("BaseRendererMapperID", stateEvent->GetEvent()->GetSender()->GetMapperID());
   mitk::PointSet* ps = dynamic_cast<mitk::PointSet*>(dtnode->GetData());
   if (ps == NULL)
     return false;
 
   int position = 0;
   if( ps->GetPointSet()->GetPoints()->IndexExists( position )) //first element
   {
     ps->GetPointSet()->GetPoints()->SetElement( position, displayPositionEvent->GetWorldPosition());                            
   }
   else
   {
-    mitk::PointSet::PointDataType pointData = {position , false /*selected*/, mitk::PTUNDEFINED};
+    mitk::PointSet::PointDataType pointData = {static_cast<unsigned int>(position) , false /*selected*/, mitk::PTUNDEFINED};
     ps->GetPointSet()->GetPointData()->InsertElement(position, pointData);
     ps->GetPointSet()->GetPoints()->InsertElement(position, displayPositionEvent->GetWorldPosition());
   }
   ps->Modified();
   mitk::RenderingManager::GetInstance()->RequestUpdateAll();
   return ok;
 }