diff --git a/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.cpp b/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.cpp
index 84005fbc76..743ecb09a6 100644
--- a/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.cpp
+++ b/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.cpp
@@ -1,373 +1,411 @@
 /*===================================================================
 
 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 "QmitkImageStatisticsReloadedView.h"
 
 #include <utility>
 
 // berry includes
 #include <berryWorkbenchPlugin.h>
 #include <berryIQtStyleManager.h>
 
 #include <QmitkChartWidget.h>
+#include <QmitkRenderWindow.h>
 #include <mitkNodePredicateOr.h>
 #include <mitkStatusBar.h>
 #include <mitkIntensityProfile.h>
 #include <mitkImageStatisticsPredicateHelper.h>
 #include <mitkImageStatisticsContainerNodeHelper.h>
 #include <mitkNodePredicateAnd.h>
 #include <mitkSliceNavigationController.h>
 #include <mitkStatisticsToImageRelationRule.h>
 #include <mitkStatisticsToMaskRelationRule.h>
 
 #include <mitkPlanarFigureInteractor.h>
 
 const std::string QmitkImageStatisticsReloadedView::VIEW_ID = "org.mitk.views.imagestatisticsReloaded";
 
 QmitkImageStatisticsReloadedView::QmitkImageStatisticsReloadedView(QObject* /*parent*/, const char* /*name*/)
 {
   this->m_CalculationThread = new QmitkImageStatisticsCalculationJob();
 }
 
 QmitkImageStatisticsReloadedView::~QmitkImageStatisticsReloadedView()
 {
   if (m_selectedPlanarFigure)
     m_selectedPlanarFigure->RemoveObserver(m_PlanarFigureObserverTag);
 }
 
 void QmitkImageStatisticsReloadedView::CreateQtPartControl(QWidget *parent)
 {
   m_Controls.setupUi(parent);
   m_Controls.widget_histogram->SetTheme(this->GetColorTheme());
   m_Controls.widget_intensityProfile->SetTheme(this->GetColorTheme());
   m_Controls.groupBox_histogram->setVisible(true);
   m_Controls.groupBox_intensityProfile->setVisible(false);
   m_Controls.label_currentlyComputingStatistics->setVisible(false);
   m_statisticsManager = mitk::ImageStatisticsContainerManager::New();
   m_statisticsManager->SetDataStorage(this->GetDataStorage().GetPointer());
 
   PrepareDataStorageComboBoxes();
   CreateConnections();
 }
 
 void QmitkImageStatisticsReloadedView::CreateConnections()
 {
   connect(this->m_CalculationThread, &QmitkImageStatisticsCalculationJob::finished, this, &QmitkImageStatisticsReloadedView::OnStatisticsCalculationEnds, Qt::QueuedConnection);
   connect(this->m_Controls.checkBox_ignoreZero, &QCheckBox::stateChanged, this, &QmitkImageStatisticsReloadedView::OnCheckBoxIgnoreZeroStateChanged);
 }
 
 void QmitkImageStatisticsReloadedView::OnCheckBoxIgnoreZeroStateChanged(int state)
 {
   m_ForceRecompute = true;
   if (state != Qt::Unchecked)
   {
     this->m_CalculationThread->SetIgnoreZeroValueVoxel(true);
   }
   else
   {
     this->m_CalculationThread->SetIgnoreZeroValueVoxel(false);
   }
   OnImageOrMaskSelectorChanged();
 }
 
 void QmitkImageStatisticsReloadedView::PartClosed(const berry::IWorkbenchPartReference::Pointer& )
 {
 }
 
 void QmitkImageStatisticsReloadedView::FillStatisticsWidget(const std::vector<mitk::StatisticsContainer::ConstPointer>& statistics)
 {
   m_Controls.widget_statistics->Reset();
   m_Controls.widget_statistics->SetStatistics(statistics);
   m_Controls.widget_statistics->SetImageNodes({ m_selectedImageNode });
   if (m_selectedMaskNode) {
     m_Controls.widget_statistics->SetMaskNodes({ m_selectedMaskNode });
   }
   m_Controls.widget_statistics->setEnabled(true);
 }
 
 void QmitkImageStatisticsReloadedView::FillHistogramWidget(const std::vector<HistogramType::ConstPointer>& histogram, const std::vector<std::string>& dataLabels)
 {
   m_Controls.groupBox_histogram->setVisible(true);
   m_Controls.widget_histogram->SetTheme(this->GetColorTheme());
   m_Controls.widget_histogram->Reset();
   m_Controls.widget_histogram->SetHistogram(histogram.front(), dataLabels.front());
   connect(m_Controls.widget_histogram, &QmitkHistogramVisualizationWidget::RequestHistogramUpdate, this, &QmitkImageStatisticsReloadedView::OnRequestHistogramUpdate);
 }
 
 QmitkChartWidget::ChartStyle QmitkImageStatisticsReloadedView::GetColorTheme() const
 {
   ctkPluginContext* context = berry::WorkbenchPlugin::GetDefault()->GetPluginContext();
   ctkServiceReference styleManagerRef = context->getServiceReference<berry::IQtStyleManager>();
   if (styleManagerRef)
   {
     auto styleManager = context->getService<berry::IQtStyleManager>(styleManagerRef);
     if (styleManager->GetStyle().name == "Dark") {
       return QmitkChartWidget::ChartStyle::darkstyle;
     }
     else {
       return QmitkChartWidget::ChartStyle::lightstyle;
     }
   }
   return QmitkChartWidget::ChartStyle::darkstyle;
 }
 
 void QmitkImageStatisticsReloadedView::OnImageOrMaskSelectorChanged()
 {
   if (this->m_selectedPlanarFigure)
   {
     this->m_selectedPlanarFigure->RemoveObserver(this->m_PlanarFigureObserverTag);
     this->m_selectedPlanarFigure = nullptr;
   }
 
   m_selectedImageNode = m_Controls.imageSelector->GetSelectedNode();
   m_selectedMaskNode = m_Controls.maskImageSelector->GetSelectedNode();
 
   m_Controls.groupBox_intensityProfile->setVisible(false);
 
   //m_statisticContainerRules.clear();
 
   if (m_selectedImageNode != nullptr) {
     auto image = dynamic_cast<mitk::Image*>(m_selectedImageNode->GetData());
     mitk::Image::Pointer mask = nullptr;
     mitk::PlanarFigure::Pointer maskPlanarFigure = nullptr;
     if (m_selectedMaskNode != nullptr) {
       mask = dynamic_cast<mitk::Image*>(m_selectedMaskNode->GetData());
       if (mask == nullptr) {
         maskPlanarFigure = dynamic_cast<mitk::PlanarFigure*>(m_selectedMaskNode->GetData());
       }
     }
     if (mask) {
       auto imageStatistics = m_statisticsManager->GetImageStatistics(image, mask.GetPointer());
       bool imageStatisticsOlderThanInputs = false;
       if (imageStatistics && (imageStatistics->GetMTime() < image->GetMTime() || imageStatistics->GetMTime() < mask->GetMTime())) {
         imageStatisticsOlderThanInputs = true;
       }
 
       //compute statistics with given mask
       if (!imageStatistics || imageStatisticsOlderThanInputs || m_ForceRecompute) {
         CalculateStatistics(image, mask.GetPointer());
       }
       //statistics already computed
       else {
         this->FillStatisticsWidget({ imageStatistics });
         this->FillHistogramWidget({ imageStatistics->GetHistogram().GetPointer() }, { m_selectedImageNode->GetName() });
       }
     }
     else if (maskPlanarFigure) {
       m_selectedPlanarFigure = maskPlanarFigure;
       ITKCommandType::Pointer changeListener = ITKCommandType::New();
       changeListener->SetCallbackFunction(this, &QmitkImageStatisticsReloadedView::OnImageOrMaskSelectorChanged);
       this->m_PlanarFigureObserverTag =
         m_selectedPlanarFigure->AddObserver(mitk::EndInteractionPlanarFigureEvent(), changeListener);
       if (!maskPlanarFigure->IsClosed()) {
         //compute line profile and display statistics for voxels on line
         auto intensityProfile = mitk::ComputeIntensityProfile(image, maskPlanarFigure);
         //Don't show histogram for intensity profiles
         m_Controls.groupBox_histogram->setVisible(false);
         m_Controls.groupBox_intensityProfile->setVisible(true);
         m_Controls.widget_intensityProfile->Reset();
         m_Controls.widget_intensityProfile->SetIntensityProfile(intensityProfile.GetPointer(), "Intensity Profile of " + m_selectedImageNode->GetName());
       }
       auto imageStatistics = m_statisticsManager->GetImageStatistics(image, maskPlanarFigure.GetPointer());
       bool imageStatisticsOlderThanInputs = false;
       if (imageStatistics && (imageStatistics->GetMTime() < image->GetMTime() || imageStatistics->GetMTime() < maskPlanarFigure->GetMTime())) {
         imageStatisticsOlderThanInputs = true;
       }
 
       //for all planar figures: compute statistics with planarFigure as mask
       if (!imageStatistics || imageStatisticsOlderThanInputs || m_ForceRecompute) {
         CalculateStatistics(image, nullptr, maskPlanarFigure.GetPointer());
       }
       //statistics already computed
       else {
         this->FillStatisticsWidget({ imageStatistics });
         if (maskPlanarFigure->IsClosed()) {
           this->FillHistogramWidget({ imageStatistics->GetHistogram().GetPointer() }, { m_selectedImageNode->GetName() });
         }
         }
     }
     else {
       auto imageStatistics = m_statisticsManager->GetImageStatistics(image);
       bool imageStatisticsOlderThanInputs = false;
       if (imageStatistics && (imageStatistics->GetMTime() < image->GetMTime())) {
         imageStatisticsOlderThanInputs = true;
       }
 
       //compute statistics with image only
       if (!imageStatistics || imageStatisticsOlderThanInputs || m_ForceRecompute) {
         CalculateStatistics(image);
       }
       //statistics already computed
       else {
         this->FillStatisticsWidget({ imageStatistics });
         this->FillHistogramWidget({ imageStatistics->GetHistogram().GetPointer() }, { m_selectedImageNode->GetName() });
       }
     }
   }
   else {
     ResetGUI();
   }
   m_ForceRecompute = false;
 }
 
 void QmitkImageStatisticsReloadedView::ResetGUI()
 {
   m_Controls.widget_statistics->Reset();
   m_Controls.widget_statistics->setEnabled(false);
   m_Controls.widget_histogram->Reset();
   m_Controls.widget_histogram->setEnabled(false);
 }
 
 void QmitkImageStatisticsReloadedView::OnStatisticsCalculationEnds()
 {
   mitk::StatusBar::GetInstance()->Clear();
 
   if (this->m_CalculationThread->GetStatisticsUpdateSuccessFlag()) {
     auto statistics = m_CalculationThread->GetStatisticsData();
     for (auto& statistic : statistics) {
       mitk::PropertyRelations::RuleResultVectorType rulesForCurrentStatistic;
       auto statisticNonConst = statistic->Clone();
       auto statisticsNodeName = m_selectedImageNode->GetName();
       if (m_selectedMaskNode) {
         statisticsNodeName += "_" + m_selectedMaskNode->GetName();
       }
       statisticsNodeName += "_statistics";
       auto statisticsNode = mitk::CreateImageStatisticsNode(statisticNonConst, statisticsNodeName);
       auto imageRule = mitk::StatisticsToImageRelationRule::New();
       imageRule->Connect(statisticNonConst.GetPointer(), m_CalculationThread->GetStatisticsImage().GetPointer());
       rulesForCurrentStatistic.push_back(imageRule.GetPointer());
 
       if (m_CalculationThread->GetMaskImage()) {
         auto maskRule = mitk::StatisticsToMaskRelationRule::New();
         maskRule->Connect(statisticNonConst.GetPointer(), m_CalculationThread->GetMaskImage().GetPointer());
         rulesForCurrentStatistic.push_back(maskRule.GetPointer());
       }
       else if (m_CalculationThread->GetPlanarFigure()) {
         auto planarFigureRule = mitk::StatisticsToMaskRelationRule::New();
         planarFigureRule->Connect(statisticNonConst.GetPointer(), m_CalculationThread->GetPlanarFigure().GetPointer());
         rulesForCurrentStatistic.push_back(planarFigureRule.GetPointer());
       }
 
       m_statisticContainerRules.push_back(rulesForCurrentStatistic);
 
       this->GetDataStorage()->Add(statisticsNode);
       m_statisticsManager->SetRules(m_statisticContainerRules);
     }
 
     this->FillStatisticsWidget(statistics);
     if (!m_selectedPlanarFigure || m_selectedPlanarFigure->IsClosed()) {
       this->FillHistogramWidget({ m_CalculationThread->GetTimeStepHistogram() }, { m_selectedImageNode->GetName() });
     }
   }
   else {
     mitk::StatusBar::GetInstance()->DisplayErrorText(m_CalculationThread->GetLastErrorMessage().c_str());
     m_Controls.widget_histogram->setEnabled(false);
     m_Controls.widget_statistics->setEnabled(false);
   }
   m_Controls.label_currentlyComputingStatistics->setVisible(false);
 }
 
 void QmitkImageStatisticsReloadedView::OnRequestHistogramUpdate(unsigned int nBins)
 {
   m_CalculationThread->SetHistogramNBins(nBins);
   m_CalculationThread->start();
 }
 
 void QmitkImageStatisticsReloadedView::CalculateStatistics(mitk::Image::ConstPointer image, mitk::Image::ConstPointer mask, mitk::PlanarFigure::ConstPointer maskPlanarFigure)
 {
   this->m_StatisticsUpdatePending = true;
   auto renderPart = this->GetRenderWindowPart();
   unsigned int timeStep = renderPart->GetTimeNavigationController()->GetTime()->GetPos();
   this->m_CalculationThread->Initialize(image, mask, maskPlanarFigure);
   this->m_CalculationThread->SetTimeStep(timeStep);
 
   try
   {
     // Compute statistics
     this->m_CalculationThread->start();
     m_Controls.label_currentlyComputingStatistics->setVisible(true);
   }
   catch (const mitk::Exception& e)
   {
     mitk::StatusBar::GetInstance()->DisplayErrorText(e.GetDescription());
     this->m_StatisticsUpdatePending = false;
     m_Controls.label_currentlyComputingStatistics->setVisible(false);
   }
   catch (const std::runtime_error &e)
   {
     mitk::StatusBar::GetInstance()->DisplayErrorText(e.what());
     this->m_StatisticsUpdatePending = false;
     m_Controls.label_currentlyComputingStatistics->setVisible(false);
   }
   catch (const std::exception &e)
   {
     mitk::StatusBar::GetInstance()->DisplayErrorText(e.what());
     this->m_StatisticsUpdatePending = false;
     m_Controls.label_currentlyComputingStatistics->setVisible(false);
   }
 }
 
 void QmitkImageStatisticsReloadedView::OnSelectionChanged( berry::IWorkbenchPart::Pointer part, const QList<mitk::DataNode::Pointer> &nodes )
 {
     Q_UNUSED(part);
     Q_UNUSED(nodes);
 }
 
+void QmitkImageStatisticsReloadedView::OnTimeChanged(const itk::EventObject& event)
+{
+  const mitk::SliceNavigationController::GeometryTimeEvent* timeEvent = dynamic_cast<const mitk::SliceNavigationController::GeometryTimeEvent*>(&event);
+  if (this->m_selectedImageNode == nullptr && timeEvent == nullptr)
+    return;
+
+  int timeStep = timeEvent->GetPos();
+  HistogramType::ConstPointer histogram = this->m_CalculationThread->GetTimeStepHistogram(timeStep);
+
+  if (histogram.IsNotNull() && this->m_CalculationThread->GetStatisticsUpdateSuccessFlag())
+  {
+    this->FillHistogramWidget({ histogram }, { m_selectedImageNode->GetName() });
+  }
+}
+
 void QmitkImageStatisticsReloadedView::PrepareDataStorageComboBoxes()
 {
   auto isPlanarFigurePredicate = mitk::GetImageStatisticsPlanarFigurePredicate();
   auto isMaskPredicate = mitk::GetImageStatisticsMaskPredicate();
   auto isImagePredicate = mitk::GetImageStatisticsImagePredicate();
   auto isMaskOrPlanarFigurePredicate = mitk::NodePredicateOr::New(isPlanarFigurePredicate, isMaskPredicate);
 
   m_Controls.imageSelector->SetDataStorage(GetDataStorage());
   m_Controls.imageSelector->SetPredicate(isImagePredicate);
 
   m_Controls.maskImageSelector->SetDataStorage(GetDataStorage());
   m_Controls.maskImageSelector->SetPredicate(isMaskOrPlanarFigurePredicate);
   m_Controls.maskImageSelector->SetZeroEntryText("<none>");
 }
 
 void QmitkImageStatisticsReloadedView::Activated()
 {
 }
 
 void QmitkImageStatisticsReloadedView::Deactivated()
 {
 }
 
 void QmitkImageStatisticsReloadedView::Visible()
 {
   connect(m_Controls.imageSelector, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &QmitkImageStatisticsReloadedView::OnImageOrMaskSelectorChanged);
   connect(m_Controls.maskImageSelector, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &QmitkImageStatisticsReloadedView::OnImageOrMaskSelectorChanged);
+  
+  mitk::IRenderWindowPart* renderWindow = GetRenderWindowPart();
+  if (renderWindow) {
+    itk::ReceptorMemberCommand<QmitkImageStatisticsReloadedView>::Pointer cmdTimeEvent = itk::ReceptorMemberCommand<QmitkImageStatisticsReloadedView>::New();
+    cmdTimeEvent->SetCallbackFunction(this, &QmitkImageStatisticsReloadedView::OnTimeChanged);
+    // It is sufficient to add the observer to the axial render window since the GeometryTimeEvent
+    // is always triggered by all views.
+    m_TimeObserverTag = renderWindow->GetQmitkRenderWindow("axial")->GetSliceNavigationController()->AddObserver(mitk::SliceNavigationController::GeometryTimeEvent(nullptr, 0), cmdTimeEvent);
+  }
   m_selectedImageNode = m_Controls.imageSelector->GetSelectedNode();
   if (m_selectedImageNode) {
     OnImageOrMaskSelectorChanged();
   }
   else {
     ResetGUI();
   }
 }
 
 void QmitkImageStatisticsReloadedView::Hidden()
 {
   m_Controls.imageSelector->disconnect();
   m_Controls.maskImageSelector->disconnect();
+  // The slice navigation controller observer is removed here instead of in the destructor.
+  // If it was called in the destructor, the application would freeze because the view's
+  // destructor gets called after the render windows have been destructed.
+  if (m_TimeObserverTag != 0)
+  {
+    mitk::IRenderWindowPart* renderWindow = GetRenderWindowPart();
+
+    if (renderWindow)
+    {
+      renderWindow->GetQmitkRenderWindow("axial")->GetSliceNavigationController()->RemoveObserver(m_TimeObserverTag);
+    }
+    m_TimeObserverTag = 0;
+  }
 }
 
 void QmitkImageStatisticsReloadedView::SetFocus()
 {
 }
diff --git a/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.h b/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.h
index 702142769b..7ed8a7e6de 100644
--- a/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.h
+++ b/Plugins/org.mitk.gui.qt.measurementtoolbox/src/internal/QmitkImageStatisticsReloadedView.h
@@ -1,109 +1,112 @@
 /*===================================================================
 
 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.
 
 ===================================================================*/
 
 #ifndef QmitkImageStatisticsReloadedView_H__INCLUDED
 #define QmitkImageStatisticsReloadedView_H__INCLUDED
 
 #include "ui_QmitkImageStatisticsReloadedViewControls.h"
 
 // Qmitk includes
 #include <QmitkAbstractView.h>
 #include <QmitkImageStatisticsCalculationJob.h>
 #include <mitkImageStatisticsContainerManager.h>
 #include <mitkImageStatisticsContainer.h>
 
 #include <mitkILifecycleAwarePart.h>
 #include <berryIPartListener.h>
 #include <mitkPropertyRelations.h>
 
 /*!
 \brief QmitkImageStatisticsView is a bundle that allows statistics calculation from images. Three modes
 are supported: 1. Statistics of one image, 2. Statistics of an image and a segmentation, 3. Statistics
 of an image and a Planar Figure. The statistics calculation is realized in a separate thread to keep the
 gui accessible during calculation.
 
 \ingroup Plugins/org.mitk.gui.qt.measurementtoolbox
 */
 class QmitkImageStatisticsReloadedView : public QmitkAbstractView, public mitk::ILifecycleAwarePart, public berry::IPartListener
 {
   Q_OBJECT
 
 public:
   using HistogramType = mitk::StatisticsContainer::HistogramType;
 
   /*!
   \brief default constructor */
   QmitkImageStatisticsReloadedView(QObject *parent = nullptr, const char *name = nullptr);
   /*!
   \brief default destructor */
   virtual ~QmitkImageStatisticsReloadedView();
   /*!
   \brief method for creating the widget containing the application   controls, like sliders, buttons etc. */
   virtual void CreateQtPartControl(QWidget *parent) override;
   /*!
   \brief method for creating the connections of main and control widget */
   virtual void CreateConnections();
   /*!
   \brief  Is called from the selection mechanism once the data manager selection has changed*/
   void OnSelectionChanged(berry::IWorkbenchPart::Pointer part, const QList<mitk::DataNode::Pointer> &selectedNodes) override;
-
+  /*!
+  \brief Is called from the image navigator once the time step has changed */
+  void OnTimeChanged(const itk::EventObject&);
   void PrepareDataStorageComboBoxes();
 
   static const std::string VIEW_ID;
 
   void FillStatisticsWidget(const std::vector<mitk::StatisticsContainer::ConstPointer>& statistics);
   void FillHistogramWidget(const std::vector<HistogramType::ConstPointer>& histogram, const std::vector<std::string>& dataLabels);
   QmitkChartWidget::ChartStyle GetColorTheme() const;
 protected:
   virtual void Activated() override;
   virtual void Deactivated() override;
   virtual void Visible() override;
   virtual void Hidden() override;
 
   virtual void SetFocus() override;
 
   /** \brief Is called right before the view closes (before the destructor) */
   virtual void PartClosed(const berry::IWorkbenchPartReference::Pointer&) override;
  
   /** \brief Required for berry::IPartListener */
   virtual Events::Types GetPartEventTypes() const override { return Events::CLOSED; }
 
   void OnImageOrMaskSelectorChanged();
 
   void ResetGUI();
 
   void OnStatisticsCalculationEnds();
   void OnRequestHistogramUpdate(unsigned int nBins);
   void OnCheckBoxIgnoreZeroStateChanged(int state);
 
   void CalculateStatistics(mitk::Image::ConstPointer image, mitk::Image::ConstPointer mask=nullptr, mitk::PlanarFigure::ConstPointer maskPlanarFigure = nullptr);
 
   // member variables
   Ui::QmitkImageStatisticsReloadedViewControls m_Controls;
 
 private:
   typedef itk::SimpleMemberCommand< QmitkImageStatisticsReloadedView > ITKCommandType;
   QmitkImageStatisticsCalculationJob * m_CalculationThread = nullptr;
   bool m_StatisticsUpdatePending=false;
   mitk::DataNode::ConstPointer m_selectedImageNode = nullptr, m_selectedMaskNode = nullptr;
 
   std::vector<mitk::PropertyRelations::RuleResultVectorType> m_statisticContainerRules;
   mitk::PlanarFigure::Pointer m_selectedPlanarFigure=nullptr;
   mitk::ImageStatisticsContainerManager::Pointer m_statisticsManager;
   long m_PlanarFigureObserverTag;
+  long m_TimeObserverTag;
   bool m_ForceRecompute = false;
 };
 #endif // QmitkImageStatisticsView_H__INCLUDED