diff --git a/Core/Code/Interactions/mitkEventFactory.cpp b/Core/Code/Interactions/mitkEventFactory.cpp
index 9ce5cb8f8e..caebad426c 100755
--- a/Core/Code/Interactions/mitkEventFactory.cpp
+++ b/Core/Code/Interactions/mitkEventFactory.cpp
@@ -1,478 +1,490 @@
 /*===================================================================
 
  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 "mitkEventFactory.h"
 #include <algorithm>
 #include <sstream>
 #include <string>
 #include <mitkMousePressEvent.h>
 #include <mitkMouseDoubleClickEvent.h>
 #include <mitkMouseMoveEvent.h>
 #include <mitkMouseReleaseEvent.h>
 #include <mitkMouseWheelEvent.h>
 #include <mitkInteractionKeyEvent.h>
 #include <mitkInteractionEventConst.h>
 #include <mitkInteractionPositionEvent.h>
 #include <mitkInternalEvent.h>
 
 namespace
 {
 std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems)
 {
   std::stringstream ss(s);
   std::string item;
   while (std::getline(ss, item, delim))
   {
     elems.push_back(item);
   }
   return elems;
 }
 
 std::vector<std::string> split(const std::string &s, char delim)
 {
   std::vector < std::string > elems;
   return split(s, delim, elems);
 }
 }
 
 mitk::InteractionEvent::Pointer mitk::EventFactory::CreateEvent(PropertyList::Pointer list)
 {
   //
   std::string eventClass, eventVariant;
   list->GetStringProperty(InteractionEventConst::xmlParameterEventClass().c_str(), eventClass);
   list->GetStringProperty(InteractionEventConst::xmlParameterEventVariant().c_str(), eventVariant);
 
   // Query all possible attributes, if they are not present, set their default values.
   // Position Events & Key Events
   std::string strModifiers;
   InteractionEvent::ModifierKeys modifiers = InteractionEvent::NoKey;
   std::string strEventButton;
   InteractionEvent::MouseButtons eventButton = InteractionEvent::NoButton;
   std::string strButtonState;
   InteractionEvent::MouseButtons buttonState = InteractionEvent::NoButton;
   std::string strKey;
   std::string key;
   std::string strWheelDelta;
   int wheelDelta;
   std::string strSignalName = "";
 
   Point2D pos;
   pos.Fill(0);
+  std::string strPos;
+
+  // Position on screen
+  if( list->GetStringProperty(InteractionEventConst::xmlEventPropertyPositionOnScreen().c_str(), strPos))
+  {
+    //split comma separated string
+    int commaPos;
+    commaPos = strPos.find_first_of(',');
+
+    pos[0] = static_cast<mitk::ScalarType>(std::atof(strPos.substr(0, commaPos).c_str()));
+    pos[1] = static_cast<mitk::ScalarType>(std::atof(strPos.substr(commaPos+1, strPos.length()).c_str()));
+  }
 
   // Parse modifier information
   if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyModifier().c_str(), strModifiers))
   {
     std::vector<std::string> mods = split(strModifiers, ',');
     for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
     {
       std::transform((*it).begin(), (*it).end(), (*it).begin(), ::toupper);
       if (*it == "CTRL")
       {
         modifiers = modifiers | InteractionEvent::ControlKey;
       }
       else if (*it == "ALT")
       {
         modifiers = modifiers | InteractionEvent::AltKey;
       }
       else if (*it == "SHIFT")
       {
         modifiers = modifiers | InteractionEvent::ShiftKey;
       }
       else
       {
         MITK_WARN<< "mitkEventFactory: Invalid event modifier in config file :" << (*it);
       }
     }
   }
 
   // Set EventButton
   if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyEventButton().c_str(), strEventButton))
   {
     std::transform(strEventButton.begin(), strEventButton.end(), strEventButton.begin(), ::toupper);
     if (strEventButton == "MIDDLEMOUSEBUTTON")
     {
       eventButton = InteractionEvent::MiddleMouseButton;
     }
     else if (strEventButton == "LEFTMOUSEBUTTON")
     {
       eventButton = InteractionEvent::LeftMouseButton;
     }
     else if (strEventButton == "RIGHTMOUSEBUTTON")
     {
       eventButton = InteractionEvent::RightMouseButton;
     }
     else
     {
       MITK_WARN<< "mitkEventFactory: Invalid event button in config file: " << strEventButton;
     }
   }
 
   // Parse ButtonStates
   if (list->GetStringProperty(InteractionEventConst::xmlEventPropertyButtonState().c_str(), strButtonState))
   {
     std::vector<std::string> mods = split(strButtonState, ',');
     for (std::vector<std::string>::iterator it = mods.begin(); it != mods.end(); ++it)
     {
       std::transform((*it).begin(), (*it).end(), (*it).begin(), ::toupper);
       if (*it == "MIDDLEMOUSEBUTTON")
       {
         buttonState = buttonState | InteractionEvent::MiddleMouseButton;
       }
       else if (*it == "LEFTMOUSEBUTTON")
       {
         buttonState = buttonState | InteractionEvent::LeftMouseButton;
       }
       else if (*it == "RIGHTMOUSEBUTTON")
       {
         buttonState = buttonState | InteractionEvent::RightMouseButton;
       }
       else
       {
         MITK_WARN<< "mitkEventFactory: Invalid event buttonstate in config file:" << (*it);
       }
     }
   }
 
   // Key
   if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyKey().c_str(), strKey))
   {
     key = "";
   }
   else
   {
     key = strKey;
   }
   // WheelDelta
   if (!list->GetStringProperty(InteractionEventConst::xmlEventPropertyScrollDirection().c_str(), strWheelDelta))
   {
     wheelDelta = 0;
   }
   else
   {
     std::transform(strWheelDelta.begin(), strWheelDelta.end(), strWheelDelta.begin(), ::toupper);
     if (strWheelDelta == "DOWN")
     {
       wheelDelta = -1;
     }
     else
     {
       wheelDelta = 1;
     }
   }
   // Internal Signals Name
   list->GetStringProperty(InteractionEventConst::xmlEventPropertySignalName().c_str(), strSignalName);
 
   /*
    * Here the objects are created
    */
 
   mitk::InteractionEvent::Pointer event;
   std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);
 
   if (eventClass == "MOUSEPRESSEVENT")
   {
     // buttonstates incorporate the event button (as in Qt)
     buttonState = buttonState | eventButton;
     event = MousePressEvent::New(NULL, pos, buttonState, modifiers, eventButton);
   }
   else if (eventClass == "MOUSEDOUBLECLICKEVENT")
   {
     buttonState = buttonState | eventButton;
     event = MouseDoubleClickEvent::New(NULL, pos, buttonState, modifiers, eventButton);
   }
   else if (eventClass == "MOUSEMOVEEVENT")
   {
     event = MouseMoveEvent::New(NULL, pos, buttonState, modifiers);
   }
   else if (eventClass == "MOUSERELEASEEVENT")
   {
     event = MouseReleaseEvent::New(NULL, pos, buttonState, modifiers, eventButton);
   }
   else if (eventClass == "INTERACTIONKEYEVENT")
   {
     event = InteractionKeyEvent::New(NULL, key, modifiers);
   }
   else if (eventClass == "MOUSEWHEELEVENT")
   {
     event = MouseWheelEvent::New(NULL, pos, buttonState, modifiers, wheelDelta);
   }
   else if (eventClass == "INTERACTIONPOSITIONEVENT")
   {
     event = InteractionPositionEvent::New(NULL, pos);
   }
   else if (eventClass == "INTERNALEVENT")
   {
     event = InternalEvent::New(NULL, NULL, strSignalName);
   }
   else if (eventClass == "INTERACTIONEVENT")
   {
     event = InteractionEvent::New(NULL);
   }
   if (event.IsNull())
   {
     MITK_WARN<< "Event couldn't be constructed. Please check your StateMachine patterns and config files\n for the following event class, which is not valid: " << eventClass;
     return NULL;
   }
   return event;
 }
 
 std::string mitk::EventFactory::EventToXML(mitk::InteractionEvent *event)
 {
 
   std::string eventClass = event->GetNameOfClass();
   std::string eventXML = "<" + InteractionEventConst::xmlTagEventVariant() +  " " + InteractionEventConst::xmlParameterEventClass() + "=\"";
 
   std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);
 
   eventXML += eventClass + "\" >\n";
   // here follow event specific attributes
   if (eventClass == "MOUSEPRESSEVENT" || eventClass == "MOUSERELEASEEVENT" || eventClass == "MOUSEDOUBLECLICKEVENT" || eventClass == "MOUSEMOVEEVENT" || eventClass == "MOUSEWHEELEVENT")
   {
     if (!(eventClass == "MOUSEMOVEEVENT") && !(eventClass == "MOUSEWHEELEVENT"))
     {
       // EventButton
       eventXML += " <" + InteractionEventConst::xmlTagAttribute() +" " + InteractionEventConst::xmlParameterName() + "=\"" + InteractionEventConst::xmlEventPropertyEventButton() + "\" ";
       eventXML += InteractionEventConst::xmlParameterValue() + "=\"";
       eventXML += GetEventButton(event);
       eventXML += "\"/>\n";
     }
     // ButtonState
     if (GetButtonState(event) != "")
     {
       eventXML += " <" + InteractionEventConst::xmlTagAttribute() +" " + InteractionEventConst::xmlParameterName() + "=\"" + InteractionEventConst::xmlEventPropertyButtonState() + "\" ";
       eventXML += InteractionEventConst::xmlParameterValue() + "=\"";
       eventXML += GetButtonState(event);
       eventXML += "\"/>\n";
     }
 
     // Modifiers
     if (GetModifierState(event) != "")
     {
       eventXML += " <" + InteractionEventConst::xmlTagAttribute() +" " + InteractionEventConst::xmlParameterName() + "=\"" + InteractionEventConst::xmlEventPropertyModifier() + "\" ";
       eventXML += InteractionEventConst::xmlParameterValue() + "=\"";
       eventXML += GetModifierState(event);
       eventXML += "\"/>\n";
     }
 
     // Position on Screen
     eventXML += " <" + InteractionEventConst::xmlTagAttribute() +" " + InteractionEventConst::xmlParameterName() + "=\"" + InteractionEventConst::xmlEventPropertyPositionOnScreen() + "\" ";
     eventXML += InteractionEventConst::xmlParameterValue() + "=\"";
     eventXML += GetPositionOnScreen(event);
     eventXML += "\"/>\n";
 
     // Position in World
     eventXML += " <" + InteractionEventConst::xmlTagAttribute() +" " + InteractionEventConst::xmlParameterName() + "=\"" + InteractionEventConst::xmlEventPropertyPositionInWorld() + "\" ";
     eventXML += InteractionEventConst::xmlParameterValue() + "=\"";
     eventXML += GetPositionInWorld(event);
     eventXML += "\"/>\n";
   }
   // TODO Implement Key Events!!
   //  else if (eventClass == "INTERACTIONKEYEVENT")
   //  {
   //    event = InteractionKeyEvent::New(NULL, key, modifiers);
   //  }
   else
   {
     MITK_WARN << "Event not recognized, discarding event of type " << event->GetNameOfClass();
   }
   if (eventClass == "MOUSEWHEELEVENT")
   {
     MouseWheelEvent* we = dynamic_cast<MouseWheelEvent*> (event);
     int delta = we->GetWheelDelta();
 
     std::stringstream ss;
     ss << delta;
 
     eventXML += " <" + InteractionEventConst::xmlTagAttribute() +" " + InteractionEventConst::xmlParameterName() + "=\"" + InteractionEventConst::xmlEventPropertyWheelDelta() + "\" ";
     eventXML += InteractionEventConst::xmlParameterValue() + "=\"";
     eventXML += ss.str();
     eventXML += "\"/>\n";
   }
   // closing tag:
   eventXML += "</" + InteractionEventConst::xmlTagEventVariant() +  ">";
   return eventXML;
 }
 
 std::string mitk::EventFactory::GetButtonState(mitk::InteractionEvent *event)
 {
   InteractionEvent::MouseButtons buttonState = InteractionEvent::NoButton;
   std::string eventClass = event->GetNameOfClass();
   std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);
 
   std::string strButtonState = "";
   if (eventClass == "MOUSEPRESSEVENT")
   {
     MousePressEvent* mme = dynamic_cast<MousePressEvent*> (event);
     buttonState = mme->GetButtonStates();
   }
   if (eventClass == "MOUSERELEASEEVENT")
   {
     MouseReleaseEvent* mme = dynamic_cast<MouseReleaseEvent*> (event);
     buttonState = mme->GetButtonStates();
   }
   if (eventClass == "MOUSEDOUBLECLICKEVENT")
   {
     MouseDoubleClickEvent* mme = dynamic_cast<MouseDoubleClickEvent*> (event);
     buttonState = mme->GetButtonStates();
   }
   if (eventClass == "MOUSEMOVEEVENT")
   {
     MouseMoveEvent* mme = dynamic_cast<MouseMoveEvent*> (event);
     buttonState = mme->GetButtonStates();
   }
   if (eventClass == "MOUSEWHEELEVENT")
   {
     MouseWheelEvent* mme = dynamic_cast<MouseWheelEvent*> (event);
     buttonState = mme->GetButtonStates();
   }
 
   if (buttonState & InteractionEvent::LeftMouseButton )
   {
     strButtonState = "LeftMouseButton";
   }
   if (buttonState & InteractionEvent::RightMouseButton )
   {
     if (strButtonState != "")
       strButtonState += ",";
 
     strButtonState += "RightMouseButton";
   }
   if (buttonState & InteractionEvent::MiddleMouseButton )
   {
     if (strButtonState != "")
       strButtonState += ",";
 
     strButtonState += "MiddleMouseButton";
   }
   return strButtonState;
 }
 
 std::string mitk::EventFactory::GetModifierState(mitk::InteractionEvent *event)
 {
   InteractionEvent::ModifierKeys modifierKeys = InteractionEvent::NoKey;
   std::string eventClass = event->GetNameOfClass();
   std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);
   std::string strModKeys = "";
   // TODO Add InteractionKey
   if (eventClass == "MOUSEPRESSEVENT")
   {
     MousePressEvent* mme = dynamic_cast<MousePressEvent*> (event);
     modifierKeys = mme->GetModifiers();
   }
   if (eventClass == "MOUSERELEASEEVENT")
   {
     MouseReleaseEvent* mme = dynamic_cast<MouseReleaseEvent*> (event);
     modifierKeys = mme->GetModifiers();
   }
   if (eventClass == "MOUSEDOUBLECLICKEVENT")
   {
     MouseDoubleClickEvent* mme = dynamic_cast<MouseDoubleClickEvent*> (event);
     modifierKeys = mme->GetModifiers();
   }
   if (eventClass == "MOUSEMOVEEVENT")
   {
     MouseMoveEvent* mme = dynamic_cast<MouseMoveEvent*> (event);
     modifierKeys = mme->GetModifiers();
   }
   if (eventClass == "MOUSEWHEELEVENT")
   {
     MouseWheelEvent* mme = dynamic_cast<MouseWheelEvent*> (event);
     modifierKeys = mme->GetModifiers();
   }
 
   if (modifierKeys & InteractionEvent::ShiftKey )
   {
     strModKeys = "SHIFT";
   }
   if (modifierKeys & InteractionEvent::ControlKey )
   {
     if (strModKeys != "")
       strModKeys += ",";
 
     strModKeys += "CTRL";
   }
   if (modifierKeys & InteractionEvent::AltKey )
   {
     if (strModKeys != "")
       strModKeys += ",";
 
     strModKeys += "ALT";
   }
   return strModKeys;
 }
 
 std::string mitk::EventFactory::GetEventButton(mitk::InteractionEvent *event)
 {
   InteractionEvent::MouseButtons button = InteractionEvent::NoButton;
   std::string eventClass = event->GetNameOfClass();
   std::transform(eventClass.begin(), eventClass.end(), eventClass.begin(), ::toupper);
   std::string stdButton = "";
   // TODO Add InteractionKey
   if (eventClass == "MOUSEPRESSEVENT")
   {
     MousePressEvent* mme = dynamic_cast<MousePressEvent*> (event);
     button = mme->GetEventButton();
   }
   if (eventClass == "MOUSERELEASEEVENT")
   {
     MouseReleaseEvent* mme = dynamic_cast<MouseReleaseEvent*> (event);
     button = mme->GetEventButton();
   }
   if (eventClass == "MOUSEDOUBLECLICKEVENT")
   {
     MouseDoubleClickEvent* mme = dynamic_cast<MouseDoubleClickEvent*> (event);
     button = mme->GetEventButton();
   }
 
   if (button & InteractionEvent::LeftMouseButton )
   {
     stdButton = "LeftMouseButton";
   }
   if (button & InteractionEvent::RightMouseButton )
   {
     stdButton = "RightMouseButton";
   }
   if (button & InteractionEvent::MiddleMouseButton )
   {
     stdButton = "MiddleMouseButton";
   }
   return stdButton;
 
 }
 
 std::string mitk::EventFactory::GetPositionInWorld(mitk::InteractionEvent *event)
 {
   std::stringstream ss;
   InteractionPositionEvent* pe = dynamic_cast<InteractionPositionEvent*> (event);
   if (pe != NULL)
   {
     Point3D p = pe->GetPositionInWorld();
     ss << p[0] << "," << p[1] << "," << p[2];
   }
   return ss.str();
 }
 
 std::string mitk::EventFactory::GetPositionOnScreen(mitk::InteractionEvent *event)
 {
   std::stringstream ss;
   InteractionPositionEvent* pe = dynamic_cast<InteractionPositionEvent*> (event);
   if (pe != NULL)
   {
     Point2D p = pe->GetPointerPositionOnScreen();
     ss << p[0] << "," << p[1];
   }
   return ss.str();
 }