Index: Core/Code/Controllers/mitkRenderingManager.cpp
===================================================================
--- Core/Code/Controllers/mitkRenderingManager.cpp	(revision 28116)
+++ Core/Code/Controllers/mitkRenderingManager.cpp	(working copy)
@@ -443,7 +443,6 @@
 
   }
 
-
   int warningLevel = vtkObject::GetGlobalWarningDisplay();
   vtkObject::GlobalWarningDisplayOff();
 
@@ -453,6 +452,28 @@
     boundingBoxInitialized = true;
   }
 
+  if (geometry.IsNotNull() )
+  {// make sure bounding box has an extent bigger than zero in any direction
+    // clone the input geometry
+    Geometry3D::Pointer modifiedGeometry = dynamic_cast<Geometry3D*>( dataGeometry->Clone().GetPointer() );
+    assert(modifiedGeometry.IsNotNull());
+    Geometry3D::BoundsArrayType newBounds = modifiedGeometry->GetBounds();
+    for( unsigned int dimension = 0; ( 2 * dimension ) < newBounds.Size() ; dimension++ )
+    {
+      if( std::abs( newBounds[ 2 * dimension ] - newBounds[ 2 * dimension + 1 ] ) 
+        < mitk::eps
+        )
+      {
+        newBounds[ 2 * dimension + 1 ] += 1;
+      }
+    }
+
+    // set the newly calculated bounds array
+    modifiedGeometry->SetBounds(newBounds);
+
+    geometry = modifiedGeometry;
+  }
+
   RenderWindowList::iterator it;
   for ( it = m_RenderWindowList.begin(); it != m_RenderWindowList.end(); ++it )
   {