Index: Core/Code/DataManagement/mitkBaseData.cpp
===================================================================
--- Core/Code/DataManagement/mitkBaseData.cpp	(revision 17557)
+++ Core/Code/DataManagement/mitkBaseData.cpp	(working copy)
@@ -304,6 +304,24 @@
   return time;
 }
 
+void mitk::BaseData::CopyInformation( const itk::DataObject* data )
+{
+  const Self* bd = dynamic_cast<const Self*>(data);
+  if (bd != NULL)
+  {
+  	m_TimeSlicedGeometry = dynamic_cast<TimeSlicedGeometry*>(bd->GetTimeSlicedGeometry()->Clone().GetPointer());
+    m_PropertyList = bd->GetPropertyList()->Clone();
+  }
+  else
+  {
+    // pointer could not be cast back down
+    itkExceptionMacro(<< "mitk::BaseData::CopyInformation() cannot cast "
+      << typeid(data).name() << " to "
+      << typeid(Self*).name() );
+  }
+
+}
+
 bool mitk::BaseData::IsInitialized() const
 {
   return m_Initialized;
Index: Core/Code/DataManagement/mitkBaseData.h
===================================================================
--- Core/Code/DataManagement/mitkBaseData.h	(revision 17557)
+++ Core/Code/DataManagement/mitkBaseData.h	(working copy)
@@ -178,11 +178,11 @@
   //## BaseProcess will copy meta-data from the first input to all of its
   //## outputs. See ProcessObject::GenerateOutputInformation().  Each
   //## subclass of DataObject is responsible for being able to copy
-  //## whatever meta-data it needs from from another DataObject.
-  //## The default implementation of this method is empty. If a subclass
-  //## overrides this method, it should always call its superclass'
-  //## version. 
-  void CopyInformation(const itk::DataObject*) {};
+  //## whatever meta-data it needs from another DataObject.
+  //## The default implementation of this method copies the time sliced geometry
+  //## and the property list of an object. If a subclass overrides this
+  //## method, it should always call its superclass' version. 
+  void CopyInformation(const itk::DataObject* data);
 
   //##Documentation
   //## @brief Check whether the data has been initialized, i.e., 
Index: Core/Code/DataManagement/mitkSlicedData.cpp
===================================================================
--- Core/Code/DataManagement/mitkSlicedData.cpp	(revision 17557)
+++ Core/Code/DataManagement/mitkSlicedData.cpp	(working copy)
@@ -208,7 +208,6 @@
   if (slicedData)
   {
     m_LargestPossibleRegion = slicedData->GetLargestPossibleRegion();
-    SetGeometry(dynamic_cast<Geometry3D*>(GetTimeSlicedGeometry()->Clone().GetPointer()));//new SlicedGeometry3D(*slicedData->GetGeometry().GetPointer());
   }
   else
   {
Index: Core/Testing/CMakeLists.txt
===================================================================
--- Core/Testing/CMakeLists.txt	(revision 17557)
+++ Core/Testing/CMakeLists.txt	(working copy)
@@ -19,6 +19,7 @@
   mitkImageDataItemTest.cpp
   #mitkImageMapper2DTest.cpp
   mitkImageTest.cpp
+  mitkBaseDataTest.cpp
   #mitkImageToItkTest.cpp
   mitkInteractorTest.cpp
   mitkITKThreadingTest.cpp
Index: Modules/MitkExt/DataManagement/mitkUnstructuredGrid.cpp
===================================================================
--- Modules/MitkExt/DataManagement/mitkUnstructuredGrid.cpp	(revision 17557)
+++ Modules/MitkExt/DataManagement/mitkUnstructuredGrid.cpp	(working copy)
@@ -212,8 +212,10 @@
   }
 }
 
-void mitk::UnstructuredGrid::CopyInformation( const itk::DataObject * )
-{}
+void mitk::UnstructuredGrid::CopyInformation( const itk::DataObject * data )
+{
+  Superclass::CopyInformation(data);
+}
 
 void mitk::UnstructuredGrid::Update()
 {