diff --git a/Core/Code/Common/mitkCoreObjectFactory.cpp b/Core/Code/Common/mitkCoreObjectFactory.cpp
index a909c77dfa..67bc820d56 100644
--- a/Core/Code/Common/mitkCoreObjectFactory.cpp
+++ b/Core/Code/Common/mitkCoreObjectFactory.cpp
@@ -1,405 +1,409 @@
 /*===================================================================
 
 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 "mitkConfig.h"
 #include "mitkCoreObjectFactory.h"
 
 #include "mitkAffineInteractor.h"
 #include "mitkColorProperty.h"
 #include "mitkDataNode.h"
 #include "mitkEnumerationProperty.h"
 #include "mitkGeometry2DData.h"
 #include "mitkGeometry2DDataMapper2D.h"
 #include "mitkGeometry2DDataVtkMapper3D.h"
 #include "mitkGeometry3D.h"
 #include "mitkGeometryData.h"
 #include "mitkImage.h"
 #include <mitkImageVtkMapper2D.h>
 #include "mitkLevelWindowProperty.h"
 #include "mitkLookupTable.h"
 #include "mitkLookupTableProperty.h"
 #include "mitkPlaneGeometry.h"
 #include "mitkPointSet.h"
 #include "mitkPointSetVtkMapper2D.h"
 #include "mitkPointSetVtkMapper3D.h"
 #include "mitkPolyDataGLMapper2D.h"
 #include "mitkProperties.h"
 #include "mitkPropertyList.h"
 #include "mitkSlicedGeometry3D.h"
 #include "mitkSmartPointerProperty.h"
 #include "mitkStringProperty.h"
 #include "mitkSurface.h"
 #include "mitkSurface.h"
 #include "mitkSurfaceGLMapper2D.h"
 #include "mitkSurfaceVtkMapper3D.h"
 #include "mitkTimeSlicedGeometry.h"
 #include "mitkTransferFunctionProperty.h"
 #include "mitkVolumeDataVtkMapper3D.h"
 #include "mitkVtkInterpolationProperty.h"
 #include "mitkVtkRepresentationProperty.h"
 #include "mitkVtkResliceInterpolationProperty.h"
 
 //#include "mitkPicFileIOFactory.h"
 #include "mitkPointSetIOFactory.h"
 #include "mitkItkImageFileIOFactory.h"
 #include "mitkSTLFileIOFactory.h"
 #include "mitkVtkSurfaceIOFactory.h"
 #include "mitkVtkImageIOFactory.h"
 #include "mitkVtiFileIOFactory.h"
 //#include "mitkPicVolumeTimeSeriesIOFactory.h"
 
 #include "mitkImageWriterFactory.h"
 #include "mitkImageWriter.h"
 #include "mitkPointSetWriterFactory.h"
 #include "mitkSurfaceVtkWriterFactory.h"
 
 mitk::CoreObjectFactory::FileWriterList mitk::CoreObjectFactory::m_FileWriters;
 
 void mitk::CoreObjectFactory::RegisterExtraFactory(CoreObjectFactoryBase* factory) {
   MITK_DEBUG << "CoreObjectFactory: registering extra factory of type " << factory->GetNameOfClass();
   m_ExtraFactories.insert(CoreObjectFactoryBase::Pointer(factory));
 }
 
 void mitk::CoreObjectFactory::UnRegisterExtraFactory(CoreObjectFactoryBase *factory)
 {
   MITK_DEBUG << "CoreObjectFactory: un-registering extra factory of type " << factory->GetNameOfClass();
   try
   {
     m_ExtraFactories.erase(factory);
   }
   catch( std::exception const& e)
   {
     MITK_ERROR << "Caugt exception while unregistering: " << e.what();
   }
 }
 
 mitk::CoreObjectFactory::Pointer mitk::CoreObjectFactory::GetInstance() {
   static mitk::CoreObjectFactory::Pointer instance;
   if (instance.IsNull())
   {
      instance = mitk::CoreObjectFactory::New();
   }
   return instance;
 }
 
 #include <mitkDataNodeFactory.h>
 
 void mitk::CoreObjectFactory::SetDefaultProperties(mitk::DataNode* node)
 {
   if(node==NULL)
     return;
 
   mitk::DataNode::Pointer nodePointer = node;
 
   mitk::Image::Pointer image = dynamic_cast<mitk::Image*>(node->GetData());
   if(image.IsNotNull() && image->IsInitialized())
   {
     mitk::ImageVtkMapper2D::SetDefaultProperties(node);
     mitk::VolumeDataVtkMapper3D::SetDefaultProperties(node);
   }
 
   mitk::Surface::Pointer surface = dynamic_cast<mitk::Surface*>(node->GetData());
   if(surface.IsNotNull())
   {
     mitk::SurfaceGLMapper2D::SetDefaultProperties(node);
     mitk::SurfaceVtkMapper3D::SetDefaultProperties(node);
   }
 
   mitk::PointSet::Pointer pointSet = dynamic_cast<mitk::PointSet*>(node->GetData());
   if(pointSet.IsNotNull())
   {
     mitk::PointSetVtkMapper2D::SetDefaultProperties(node);
     mitk::PointSetVtkMapper3D::SetDefaultProperties(node);
   }
   for (ExtraFactoriesContainer::iterator it = m_ExtraFactories.begin(); it != m_ExtraFactories.end() ; it++ ) {
     (*it)->SetDefaultProperties(node);
   }
 }
 
 mitk::CoreObjectFactory::CoreObjectFactory()
 {
   static bool alreadyDone = false;
   if (!alreadyDone)
   {
     MITK_DEBUG << "CoreObjectFactory c'tor" << std::endl;
 
     // FIXME itk::ObjectFactoryBase::RegisterFactory( PicFileIOFactory::New() );
     itk::ObjectFactoryBase::RegisterFactory( PointSetIOFactory::New() );
     itk::ObjectFactoryBase::RegisterFactory( STLFileIOFactory::New() );
     itk::ObjectFactoryBase::RegisterFactory( VtkSurfaceIOFactory::New() );
     itk::ObjectFactoryBase::RegisterFactory( VtkImageIOFactory::New() );
     itk::ObjectFactoryBase::RegisterFactory( VtiFileIOFactory::New() );
     itk::ObjectFactoryBase::RegisterFactory( ItkImageFileIOFactory::New() );
     // FIXME itk::ObjectFactoryBase::RegisterFactory( PicVolumeTimeSeriesIOFactory::New() );
 
     mitk::SurfaceVtkWriterFactory::RegisterOneFactory();
     mitk::PointSetWriterFactory::RegisterOneFactory();
     mitk::ImageWriterFactory::RegisterOneFactory();
     m_FileWriters.push_back(mitk::ImageWriter::New().GetPointer());
 
     CreateFileExtensionsMap();
 
     alreadyDone = true;
   }
 }
 
 mitk::Mapper::Pointer mitk::CoreObjectFactory::CreateMapper(mitk::DataNode* node, MapperSlotId id)
 {
   mitk::Mapper::Pointer newMapper = NULL;
   mitk::Mapper::Pointer tmpMapper = NULL;
 
   // check whether extra factories provide mapper
   for (ExtraFactoriesContainer::iterator it = m_ExtraFactories.begin(); it != m_ExtraFactories.end() ; it++ ) {
     tmpMapper = (*it)->CreateMapper(node,id);
     if(tmpMapper.IsNotNull())
       newMapper = tmpMapper;
   }
 
   if (newMapper.IsNull())
   {
 
     mitk::BaseData *data = node->GetData();
 
     if ( id == mitk::BaseRenderer::Standard2D )
     {
       if((dynamic_cast<Image*>(data)!=NULL))
       {
         newMapper = mitk::ImageVtkMapper2D::New();
         newMapper->SetDataNode(node);
       }
       else if((dynamic_cast<Geometry2DData*>(data)!=NULL))
       {
         newMapper = mitk::Geometry2DDataMapper2D::New();
         newMapper->SetDataNode(node);
       }
       else if((dynamic_cast<Surface*>(data)!=NULL))
       {
         newMapper = mitk::SurfaceGLMapper2D::New();
         // cast because SetDataNode is not virtual
         mitk::SurfaceGLMapper2D *castedMapper = dynamic_cast<mitk::SurfaceGLMapper2D*>(newMapper.GetPointer());
         castedMapper->SetDataNode(node);
       }
       else if((dynamic_cast<PointSet*>(data)!=NULL))
       {
         newMapper = mitk::PointSetVtkMapper2D::New();
         newMapper->SetDataNode(node);
       }
     }
     else if ( id == mitk::BaseRenderer::Standard3D )
     {
       if((dynamic_cast<Image*>(data) != NULL))
       {
         newMapper = mitk::VolumeDataVtkMapper3D::New();
         newMapper->SetDataNode(node);
       }
       else if((dynamic_cast<Geometry2DData*>(data)!=NULL))
       {
         newMapper = mitk::Geometry2DDataVtkMapper3D::New();
         newMapper->SetDataNode(node);
       }
       else if((dynamic_cast<Surface*>(data)!=NULL))
       {
         newMapper = mitk::SurfaceVtkMapper3D::New();
         newMapper->SetDataNode(node);
       }
       else if((dynamic_cast<PointSet*>(data)!=NULL))
       {
         newMapper = mitk::PointSetVtkMapper3D::New();
         newMapper->SetDataNode(node);
       }
     }
   }
 
   return newMapper;
 }
 
 /*
 // @deprecated
 //
 #define EXTERNAL_FILE_EXTENSIONS \
     "All known formats(*.dcm *.DCM *.dc3 *.DC3 *.gdcm *.ima *.mhd *.mps *.nii *.pic *.pic.gz *.bmp *.png *.jpg *.tiff *.pvtk *.stl *.vtk *.vtp *.vtu *.obj *.vti *.hdr *.nrrd *.nhdr );;" \
     "DICOM files(*.dcm *.DCM *.dc3 *.DC3 *.gdcm);;" \
     "DKFZ Pic (*.seq *.pic *.pic.gz *.seq.gz);;" \
     "NRRD Vector Images (*.nrrd *.nhdr);;" \
     "Point sets (*.mps);;" \
     "Sets of 2D slices (*.pic *.pic.gz *.bmp *.png *.dcm *.gdcm *.ima *.tiff);;" \
     "Surface files (*.stl *.vtk *.vtp *.obj);;" \
     "NIfTI format (*.nii)"
 
 #define SAVE_FILE_EXTENSIONS "all (*.pic *.mhd *.vtk *.vti *.hdr *.png *.tiff *.jpg *.hdr *.bmp *.dcm *.gipl *.nii *.nrrd *.nhdr *.spr *.lsm *.dwi *.hdwi *.qbi *.hqbi)"
 */
 
 /**
  * @brief This method gets the supported (open) file extensions as string. This string is can then used by the QT QFileDialog widget.
  * @return The c-string that contains the file extensions
  *
  */
 const char* mitk::CoreObjectFactory::GetFileExtensions()
 {
   MultimapType aMap;
   for (ExtraFactoriesContainer::iterator it = m_ExtraFactories.begin(); it != m_ExtraFactories.end() ; it++ )
   {
     aMap = (*it)->GetFileExtensionsMap();
     this->MergeFileExtensions(m_FileExtensionsMap, aMap);
   }
   this->CreateFileExtensions(m_FileExtensionsMap, m_FileExtensions);
   return m_FileExtensions.c_str();
 }
 
 /**
  * @brief Merge the input map into the fileExtensionsMap. Duplicate entries are removed
  * @param fileExtensionsMap the existing map, it contains value pairs like ("*.dcm", "DICOM files"),("*.dc3", "DICOM files").
  *                          This map is extented/merged with the values from the input map.
  * @param inputMap the input map, it contains value pairs like ("*.dcm", "DICOM files"),("*.dc3", "DICOM files") returned by
  *                 the extra factories.
  *
  */
 void mitk::CoreObjectFactory::MergeFileExtensions(MultimapType& fileExtensionsMap, MultimapType inputMap)
 {
   bool duplicateFound = false;
   std::pair<MultimapType::iterator, MultimapType::iterator> pairOfIter;
   for (MultimapType::iterator it = inputMap.begin(); it != inputMap.end(); ++it)
   {
     duplicateFound = false;
     pairOfIter = fileExtensionsMap.equal_range((*it).first);
     for (MultimapType::iterator it2 = pairOfIter.first; it2 != pairOfIter.second; ++it2)
     {
       //cout << "  [" << (*it).first << ", " << (*it).second << "]" << endl;
       std::string aString = (*it2).second;
       if (aString.compare((*it).second) == 0)
       {
         //cout << "  DUP!! [" << (*it).first << ", " << (*it).second << "]" << endl;
         duplicateFound = true;
         break;
       }
     }
     if (!duplicateFound)
     {
       fileExtensionsMap.insert(std::pair<std::string, std::string>((*it).first, (*it).second));
     }
   }
 }
 
 /**
  * @brief get the defined (open) file extension map
  * @return the defined (open) file extension map
  */
 mitk::CoreObjectFactoryBase::MultimapType mitk::CoreObjectFactory::GetFileExtensionsMap()
 {
   return m_FileExtensionsMap;
 }
 
 /**
  * @brief initialize the file extension entries for open and save
  */
 void mitk::CoreObjectFactory::CreateFileExtensionsMap()
 {
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.dcm", "DICOM files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.DCM", "DICOM files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.dc3", "DICOM files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.DC3", "DICOM files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.gdcm", "DICOM files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.seq", "DKFZ Pic"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.pic", "DKFZ Pic"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.pic.gz", "DKFZ Pic"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.mhd", "MetaImage"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.seq.gz", "DKFZ Pic"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.hdr", "Analyze Format"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.img", "Analyze Format"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.img.gz", "Analyze Format"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.nrrd", "Nearly Raw Raster Data"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.nhdr", "NRRD with detached header"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.mps", "Point sets"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.pic", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.pic.gz", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.bmp", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.png", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.jpg", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.jpeg", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.dcm", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.gdcm", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.ima", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.tiff", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.tif", "Sets of 2D slices"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.stl", "Surface files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.vtk", "Surface files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.vtp", "Surface files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.obj", "Surface files"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.nii", "NIfTI format"));
   m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.nii.gz", "NIfTI format"));
+  m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.gipl", "UMDS GIPL Format Files"));
+  m_FileExtensionsMap.insert(std::pair<std::string, std::string>("*.gipl.gz", "UMDS GIPL Format Files"));
 
   //m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.pic", "DKFZ Pic"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.mhd", "MetaImage"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.vtk", "Surface Files"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.vti", "VTK Image Data Files"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.hdr", "Analyze Format"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.png", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.tiff", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.tif", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.jpg", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.jpeg", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.bmp", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.dcm", "Sets of 2D slices"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.gipl", "UMDS GIPL Format Files"));
+  m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.gipl.gz", "UMDS compressed GIPL Format Files"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.nii", "NIfTI format"));
+  m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.nii.gz", "NIfTI compressed format"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.nrrd", "Nearly Raw Raster Data"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.nhdr", "NRRD with detached header"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.lsm", "Microscope Images"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.dwi", "Diffusion Weighted Images"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.hdwi", "Diffusion Weighted Images"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.qbi", "Q-Ball Images"));
   m_SaveFileExtensionsMap.insert(std::pair<std::string, std::string>("*.hqbi", "Q-Ball Images"));
 
 }
 
 /**
  * @brief This method gets the supported (save) file extensions as string. This string is can then used by the QT QFileDialog widget.
  * @return The c-string that contains the (save) file extensions
  *
  */
 const char* mitk::CoreObjectFactory::GetSaveFileExtensions() {
   MultimapType aMap;
   for (ExtraFactoriesContainer::iterator it = m_ExtraFactories.begin(); it != m_ExtraFactories.end() ; it++ )
   {
     aMap = (*it)->GetSaveFileExtensionsMap();
     this->MergeFileExtensions(m_SaveFileExtensionsMap, aMap);
 
   }
   this->CreateFileExtensions(m_SaveFileExtensionsMap, m_SaveFileExtensions);
   return m_SaveFileExtensions.c_str();
 };
 
 /**
  * @brief get the defined (save) file extension map
  * @return the defined (save) file extension map
  */
 mitk::CoreObjectFactoryBase::MultimapType mitk::CoreObjectFactory::GetSaveFileExtensionsMap()
 {
   return m_SaveFileExtensionsMap;
 }
 
 mitk::CoreObjectFactory::FileWriterList mitk::CoreObjectFactory::GetFileWriters() {
   FileWriterList allWriters = m_FileWriters;
   for (ExtraFactoriesContainer::iterator it = m_ExtraFactories.begin(); it != m_ExtraFactories.end() ; it++ ) {
     FileWriterList list2 = (*it)->GetFileWriters();
     allWriters.merge(list2);
   }
   return allWriters;
 }
 void mitk::CoreObjectFactory::MapEvent(const mitk::Event*, const int) {
 
 }
 
diff --git a/Core/Code/IO/mitkImageWriter.cpp b/Core/Code/IO/mitkImageWriter.cpp
index 03bdd61eea..c3cec42756 100644
--- a/Core/Code/IO/mitkImageWriter.cpp
+++ b/Core/Code/IO/mitkImageWriter.cpp
@@ -1,457 +1,459 @@
 /*===================================================================
 
 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 "mitkImageWriter.h"
 
 #include "mitkItkPictureWrite.h"
 #include "mitkImage.h"
 #include "mitkImageTimeSelector.h"
 #include "mitkImageAccessByItk.h"
 #include "mitkImageReadAccessor.h"
 
 #include <itkImageIOBase.h>
 #include <itkImageIOFactory.h>
 
 
 mitk::ImageWriter::ImageWriter()
 {
   this->SetNumberOfRequiredInputs( 1 );
   m_MimeType = "";
   SetDefaultExtension();
 }
 
 mitk::ImageWriter::~ImageWriter()
 {
 }
 
 void mitk::ImageWriter::SetFileName(const char* fileName)
 {
   if ( fileName && ( fileName == this->m_FileName ) )
   {
     return;
   }
   if ( fileName )
   {
     this->m_FileName = fileName;
     this->m_FileNameWithoutExtension = this->m_FileName;
     this->m_Extension.clear();
     std::size_t pos = this->m_FileName.find_last_of("/\\");
     if (pos != std::string::npos)
     {
       std::size_t ppos = this->m_FileName.find_first_of('.', pos);
       if (ppos != std::string::npos)
       {
         this->m_FileNameWithoutExtension = this->m_FileName.substr(0, ppos);
         this->m_Extension = this->m_FileName.substr(ppos);
       }
     }
   }
   else
   {
     this->m_FileName.clear();
     this->m_FileNameWithoutExtension.clear();
     this->m_Extension.clear();
   }
   this->Modified();
 }
 
 void mitk::ImageWriter::SetFileName(const std::string & fileName)
 {
   this->SetFileName( fileName.c_str() );
 }
 
 void mitk::ImageWriter::SetExtension(const char* extension)
 {
   if ( extension && ( extension == this->m_Extension ) )
   {
     return;
   }
   if ( extension )
   {
     this->m_Extension = extension;
     this->m_FileName = this->m_FileNameWithoutExtension + this->m_Extension;
   }
   else
   {
     this->m_Extension.clear();
     this->m_FileName = this->m_FileNameWithoutExtension;
   }
   this->Modified();
 }
 
 void mitk::ImageWriter::SetExtension(const std::string & extension)
 {
   this->SetFileName( extension.c_str() );
 }
 
 void mitk::ImageWriter::SetDefaultExtension()
 {
   this->m_Extension = ".mhd";
   this->m_FileName = this->m_FileNameWithoutExtension + this->m_Extension;
   this->Modified();
 }
 
 #include <vtkConfigure.h>
 #include <vtkImageData.h>
 #include <vtkXMLImageDataWriter.h>
 static void writeVti(const char * filename, mitk::Image* image, int t=0)
 {
   vtkXMLImageDataWriter * vtkwriter = vtkXMLImageDataWriter::New();
   vtkwriter->SetFileName( filename );
   vtkwriter->SetInput(image->GetVtkImageData(t));
   vtkwriter->Write();
   vtkwriter->Delete();
 }
 
 #include <itkRGBAPixel.h>
 
 void mitk::ImageWriter::WriteByITK(mitk::Image* image, const std::string& fileName)
 {
   MITK_INFO << "Writing image: " << fileName << std::endl;
   // Pictures and picture series like .png are written via a different mechanism then volume images.
   // So, they are still multiplexed and thus not support vector images.
   if (fileName.find(".png") != std::string::npos || fileName.find(".tif") != std::string::npos || fileName.find(".jpg") != std::string::npos || fileName.find(".bmp") != std::string::npos)
   {
     try
     {
       // switch processing of single/multi-component images
       if( image->GetPixelType(0).GetNumberOfComponents() == 1)
       {
         AccessByItk_1( image, _mitkItkPictureWrite, fileName );
       }
       else
       {
         AccessFixedPixelTypeByItk_1( image, _mitkItkPictureWriteComposite, MITK_ACCESSBYITK_PIXEL_TYPES_SEQ MITK_ACCESSBYITK_COMPOSITE_PIXEL_TYPES_SEQ , fileName);
       }
     }
     catch(itk::ExceptionObject &e)
     {
       std::cerr << "Caught " << e.what() << std::endl;
     }
     catch(std::exception &e)
     {
       std::cerr << "Caught std::exception " << e.what() << std::endl;
     }
 
     return;
   }
 
   // Implementation of writer using itkImageIO directly. This skips the use
   // of templated itkImageFileWriter, which saves the multiplexing on MITK side.
 
   unsigned int dimension = image->GetDimension();
   unsigned int* dimensions = image->GetDimensions();
   mitk::PixelType pixelType = image->GetPixelType();
   mitk::Vector3D spacing = image->GetGeometry()->GetSpacing();
   mitk::Point3D origin = image->GetGeometry()->GetOrigin();
 
   itk::ImageIOBase::Pointer imageIO = itk::ImageIOFactory::CreateImageIO( fileName.c_str(),
     itk::ImageIOFactory::WriteMode );
 
   if(imageIO.IsNull())
   {
     itkExceptionMacro(<< "Error: Could not create itkImageIO via factory for file " << fileName);
   }
 
   // Set the necessary information for imageIO
   imageIO->SetNumberOfDimensions(dimension);
   imageIO->SetPixelType( pixelType.GetPixelType() );
   imageIO->SetComponentType( pixelType.GetComponentType() < PixelComponentUserType ?
                              static_cast<itk::ImageIOBase::IOComponentType>(pixelType.GetComponentType()) :
                              itk::ImageIOBase::UNKNOWNCOMPONENTTYPE);
   imageIO->SetNumberOfComponents( pixelType.GetNumberOfComponents() );
 
   itk::ImageIORegion ioRegion( dimension );
 
   for(unsigned int i=0; i<dimension; i++)
   {
     imageIO->SetDimensions(i,dimensions[i]);
     imageIO->SetSpacing(i,spacing[i]);
     imageIO->SetOrigin(i,origin[i]);
 
     mitk::Vector3D direction;
     direction.SetVnlVector(image->GetGeometry()->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(i));
     vnl_vector< double > axisDirection(dimension);
     for(unsigned int j=0; j<dimension; j++)
     {
       axisDirection[j] = direction[j]/spacing[i];
     }
     imageIO->SetDirection( i, axisDirection );
 
     ioRegion.SetSize(i, image->GetLargestPossibleRegion().GetSize(i) );
     ioRegion.SetIndex(i, image->GetLargestPossibleRegion().GetIndex(i) );
   }
 
   //use compression if available
   imageIO->UseCompressionOn();
 
   imageIO->SetIORegion(ioRegion);
   imageIO->SetFileName(fileName);
 
   ImageReadAccessor imageAccess(image);
   imageIO->Write(imageAccess.GetData());
 }
 
 void mitk::ImageWriter::GenerateData()
 {
   const std::string& locale = "C";
   const std::string& currLocale = setlocale( LC_ALL, NULL );
 
   if ( locale.compare(currLocale)!=0 )
   {
     try
     {
       setlocale(LC_ALL, locale.c_str());
     }
     catch(...)
     {
       MITK_INFO << "Could not set locale " << locale;
     }
   }
 
   if ( m_FileName == "" )
   {
     itkWarningMacro( << "Sorry, filename has not been set!" );
     return ;
   }
 
   FILE* tempFile = fopen(m_FileName.c_str(),"w");
   if (tempFile==NULL)
   {
     itkExceptionMacro(<<"File location not writeable");
     return;
   }
   fclose(tempFile);
   remove(m_FileName.c_str());
 
   // Creating clone of input image, since i might change the geometry
   mitk::Image::Pointer input = const_cast<mitk::Image*>(this->GetInput())->Clone();
 
   // Check if geometry information will be lost
   if (input->GetDimension() == 2)
   {
      if (!input->GetGeometry()->Is2DConvertable())
      {
         MITK_WARN << "Saving a 2D image with 3D geometry information. Geometry information will be lost! You might consider using Convert2Dto3DImageFilter before saving.";
 
         // set matrix to identity
         mitk::AffineTransform3D::Pointer affTrans = mitk::AffineTransform3D::New();
         affTrans->SetIdentity();
         mitk::Vector3D spacing = input->GetGeometry()->GetSpacing();
         mitk::Point3D origin = input->GetGeometry()->GetOrigin();
         input->GetGeometry()->SetIndexToWorldTransform(affTrans);
         input->GetGeometry()->SetSpacing(spacing);
         input->GetGeometry()->SetOrigin(origin);
      }
   }
 
   bool vti = (m_Extension.find(".vti") != std::string::npos);
 
   // If the extension is NOT .pic and NOT .nrrd and NOT .nii and NOT .nii.gz the following block is entered
   if ( m_Extension.find(".pic") == std::string::npos
        && m_Extension.find(".nrrd") == std::string::npos
        && m_Extension.find(".nii") == std::string::npos
        && m_Extension.find(".nii.gz") == std::string::npos
        )
   {
     if(input->GetDimension() > 3)
     {
       int t, timesteps;
 
       timesteps = input->GetDimension(3);
       ImageTimeSelector::Pointer timeSelector = ImageTimeSelector::New();
       timeSelector->SetInput(input);
       mitk::Image::Pointer image = timeSelector->GetOutput();
       for(t = 0; t < timesteps; ++t)
       {
         std::ostringstream filename;
         timeSelector->SetTimeNr(t);
         timeSelector->Update();
         if(input->GetTimeSlicedGeometry()->IsValidTime(t))
         {
           const mitk::TimeBounds& timebounds = input->GetTimeSlicedGeometry()->GetGeometry3D(t)->GetTimeBounds();
           filename <<  m_FileNameWithoutExtension << "_S" << std::setprecision(0) << timebounds[0] << "_E" << std::setprecision(0) << timebounds[1] << "_T" << t << m_Extension;
         }
         else
         {
           itkWarningMacro(<<"Error on write: TimeSlicedGeometry invalid of image " << filename << ".");
           filename <<  m_FileNameWithoutExtension << "_T" << t << m_Extension;
         }
         if ( vti )
         {
           writeVti(filename.str().c_str(), input, t);
         }
         else
         {
           WriteByITK(image, filename.str());
         }
       }
     }
     else if ( vti )
     {
       writeVti(m_FileName.c_str(), input);
     }
     else
     {
       WriteByITK(input, m_FileName);
     }
   }
   else
   {
     // use the PicFileWriter for the .pic data type
     if( m_Extension.find(".pic") != std::string::npos )
     {
 /*    PicFileWriter::Pointer picWriter = PicFileWriter::New();
     size_t found;
     found = m_FileName.find( m_Extension ); // !!! HAS to be at the very end of the filename (not somewhere in the middle)
     if( m_FileName.length() > 3 && found != m_FileName.length() - 4 )
     {
       //if Extension not in Filename
       std::ostringstream filename;
       filename <<  m_FileName.c_str() << m_Extension;
       picWriter->SetFileName( filename.str().c_str() );
     }
     else
     {
       picWriter->SetFileName( m_FileName.c_str() );
     }
     picWriter->SetInputImage( input );
     picWriter->Write();
 */    }
 
     // use the ITK .nrrd Image writer
     if( m_Extension.find(".nrrd") != std::string::npos
         || m_Extension.find(".nii") != std::string::npos
         || m_Extension.find(".nii.gz") != std::string::npos
         )
     {
         WriteByITK(input, this->m_FileName);
     }
   }
   m_MimeType = "application/MITK.Pic";
 
   try
   {
     setlocale(LC_ALL, currLocale.c_str());
   }
   catch(...)
   {
     MITK_INFO << "Could not reset locale " << currLocale;
   }
 }
 
 bool mitk::ImageWriter::CanWriteDataType( DataNode* input )
 {
   if ( input )
   {
     return this->CanWriteBaseDataType(input->GetData());
   }
   return false;
 }
 
 void mitk::ImageWriter::SetInput( DataNode* input )
 {
   if( input && CanWriteDataType( input ) )
     this->ProcessObject::SetNthInput( 0, dynamic_cast<mitk::Image*>( input->GetData() ) );
 }
 
 std::string mitk::ImageWriter::GetWritenMIMEType()
 {
   return m_MimeType;
 }
 
 std::vector<std::string> mitk::ImageWriter::GetPossibleFileExtensions()
 {
   std::vector<std::string> possibleFileExtensions;
   possibleFileExtensions.push_back(".pic");
   possibleFileExtensions.push_back(".pic.gz");
   possibleFileExtensions.push_back(".bmp");
   possibleFileExtensions.push_back(".dcm");
   possibleFileExtensions.push_back(".DCM");
   possibleFileExtensions.push_back(".dicom");
   possibleFileExtensions.push_back(".DICOM");
   possibleFileExtensions.push_back(".gipl");
   possibleFileExtensions.push_back(".gipl.gz");
   possibleFileExtensions.push_back(".mha");
   possibleFileExtensions.push_back(".nii");
   possibleFileExtensions.push_back(".nii.gz");
   possibleFileExtensions.push_back(".nrrd");
   possibleFileExtensions.push_back(".nhdr");
   possibleFileExtensions.push_back(".png");
   possibleFileExtensions.push_back(".PNG");
   possibleFileExtensions.push_back(".spr");
   possibleFileExtensions.push_back(".mhd");
   possibleFileExtensions.push_back(".vtk");
   possibleFileExtensions.push_back(".vti");
   possibleFileExtensions.push_back(".hdr");
+  possibleFileExtensions.push_back(".img");
+  possibleFileExtensions.push_back(".img.gz");
   possibleFileExtensions.push_back(".png");
   possibleFileExtensions.push_back(".tif");
   possibleFileExtensions.push_back(".jpg");
   return possibleFileExtensions;
 }
 
 std::string mitk::ImageWriter::GetFileExtension()
 {
   return m_Extension;
 }
 
 void mitk::ImageWriter::SetInput( mitk::Image* image )
 {
   this->ProcessObject::SetNthInput( 0, image );
 }
 
 const mitk::Image* mitk::ImageWriter::GetInput()
 {
   if ( this->GetNumberOfInputs() < 1 )
   {
     return NULL;
   }
   else
   {
     return static_cast< const mitk::Image * >( this->ProcessObject::GetInput( 0 ) );
   }
 }
 
 const char* mitk::ImageWriter::GetDefaultFilename()
 {
   return "Image.nrrd";
 }
 
 const char* mitk::ImageWriter::GetFileDialogPattern()
 {
   return "Image (*.bmp *.dcm *.DCM *.dicom *.DICOM *.gipl *.gipl.gz *.mha "
       "*.nii *.nii.gz *.nrrd *.nhdr *.png *.PNG *.spr *.mhd *.vtk *.vti *.hdr *.png "
       "*.tif *.jpg)";
 }
 
 const char *mitk::ImageWriter::GetDefaultExtension()
 {
   return ".nrrd";
 }
 
 bool mitk::ImageWriter::CanWriteBaseDataType(BaseData::Pointer data)
 {
   return dynamic_cast<mitk::Image*>( data.GetPointer() );
 }
 
 void mitk::ImageWriter::DoWrite(BaseData::Pointer data)
 {
   if (this->CanWriteBaseDataType(data))
   {
     this->SetInput(dynamic_cast<mitk::Image *>(data.GetPointer()));
     this->Update();
   }
 }