diff --git a/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.cpp b/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.cpp
index 443066f510..e0cf91c51d 100644
--- a/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.cpp
+++ b/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.cpp
@@ -1,18 +1,89 @@
 #include "mitkTrackingVolumeGenerator.h"
-#include "mitkSTLFileReader.h";
-#include "mitkStandardFileLocations.h";
+#include "mitkSTLFileReader.h"
+#include "mitkStandardFileLocations.h"
 #include "mitkConfig.h"
 #include <vtkCubeSource.h>
+#include <mitkTrackingTypes.h>
+#include <mitkTrackingDevice.h>
 
 mitk::TrackingVolumeGenerator::TrackingVolumeGenerator()
 {
     std::string m_VolumeDir = MITK_ROOT;
     m_VolumeDir += "Modules/IGT/IGTTrackingDevices/TrackingVolumeData";
     mitk::StandardFileLocations::GetInstance()->AddDirectoryForSearch( m_VolumeDir.c_str(), false );
+
+    MITK_INFO << "Konstruktor geht";
+
 }
 
-bool mitk::TrackingVolumeGenerator::SetTrackingDevice(mitk::TrackingDevice::Pointer tracker)
+
+
+mitk::Surface::Pointer mitk::TrackingVolumeGenerator::SetTrackingDevice(mitk::TrackingDevice::Pointer tracker)
 {
-    std::cout << "es geht"<<std::endl;
+    MITK_INFO << "es geht";
+    TrackingDeviceType type = tracker->GetType();
+    // get filename / perform custom initiation
+    std::string filename = "";
+
+    switch(type)
+    {
+    case mitk::ClaronMicron:
+      filename = mitk::StandardFileLocations::GetInstance()->FindFile("ClaronMicron.stl");
+      MITK_INFO << "Claron";
+      break;
+    case mitk::IntuitiveDaVinci:
+      filename = mitk::StandardFileLocations::GetInstance()->FindFile("IntuitiveDaVinci.stl");
+      break;
+    case mitk::NDIAurora:
+      filename = mitk::StandardFileLocations::GetInstance()->FindFile("NDIAurora.stl");
+      MITK_INFO << "Aurora";
+      break;
+    case mitk::NDIPolaris:
+      filename = mitk::StandardFileLocations::GetInstance()->FindFile("NDIPolaris.stl");
+      MITK_INFO << "Polaris";
+      break;
+    case mitk::VirtualTracker:
+      {/*
+        vtkCubeSource* cs = vtkCubeSource::New();
+        double bounds[6];
+         bounds[0] = bounds[2] = bounds[4] = -400.0;  // initialize bounds to -400 ... +400 cube. This is the default value of the
+         bounds[1] = bounds[3] = bounds[5] =  400.0;  // virtual tracking device, but it can be changed. In that case,
+        // the tracking volume polydata has be updated manually
+        cs->SetBounds(bounds);
+        cs->GetOutput()->Update();
+        this->SetVtkPolyData(cs->GetOutput());
+        cs->Delete();*/
+        MITK_INFO << "Virtual Tracker !";
+        return NULL;
+      }
+    default:
+      return NULL;
+    }
+
+    if (filename.empty())
+      return NULL;
+
+    mitk::STLFileReader::Pointer stlReader = mitk::STLFileReader::New();
+    try
+    {
+      stlReader->SetFileName( filename.c_str() );
+      stlReader->Update();
+    }
+    catch (...)
+    {
+          return NULL;
+    }
+    if ( stlReader->GetOutput() == NULL )
+      return false;
+    mitk::Surface::Pointer nerv = this->GetOutput ();
+
+
+    nerv->SetVtkPolyData( stlReader->GetOutput()->GetVtkPolyData());
+    stlReader = NULL;
+
+    MITK_INFO << "seems to work";
+
+    return nerv;
+
 }
 
diff --git a/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.h b/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.h
index 491a973bbf..3cf2d1a61b 100644
--- a/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.h
+++ b/Modules/IGT/IGTFilters/mitkTrackingVolumeGenerator.h
@@ -1,31 +1,34 @@
 #ifndef MITKTRACKINGVOLUMEGENERATOR_H
 #define MITKTRACKINGVOLUMEGENERATOR_H
 
-#include <MitkIGTExports.h>
+#include "MitkIGTExports.h"
 
-#include "mitkSurfaceSource.h"
-#include "mitkSurface.h"
-#include "vtkPolyData.h"
+#include <mitkSurfaceSource.h>
+#include <mitkSurface.h>
+#include <vtkPolyData.h>
 #include "mitkTrackingTypes.h"
 #include "mitkTrackingDevice.h"
 
-#endif // MITKTRACKINGVOLUMEGENERATOR_H
-
 namespace mitk
 {
     class MitkIGT_EXPORT TrackingVolumeGenerator : public mitk::SurfaceSource
   {
   public:
 
       mitkClassMacro(TrackingVolumeGenerator, mitk::SurfaceSource)
       itkNewMacro(Self);
+      itkGetMacro(TrackingDevice, mitk::TrackingDevice::Pointer); //macro for generating getters/setters of members
+//      itkSetMacro(TrackingDevice, mitk::TrackingDevice::Pointer);
 
-      bool SetTrackingDevice(mitk::TrackingDevice::Pointer tracker);
+      mitk::Surface::Pointer SetTrackingDevice(mitk::TrackingDevice::Pointer tracker);
+
+      TrackingVolumeGenerator(int l);
 
-      TrackingVolumeGenerator();
   protected:
+      TrackingVolumeGenerator();
       mitk::TrackingDevice::Pointer m_TrackingDevice;
   };
 }
+#endif // MITKTRACKINGVOLUMEGENERATOR_H