Dear MITK team,

It looks like I am missing something very obvious, maybe some factory is 
not being executed, but I cannot write my transformation to disk. I 
tried .tfm, .par, .txt extensions as well

mitk::Geometry3D::TransformType is of type:

typedef itk::VersorRigid3DTransform< double > LandmarkTransformType;

also tried:

itk::TransformFileWriterTemplate<double>::Pointer writer =
     itk::TransformFileWriterTemplate<double>::New();

I´m running this code from the image registration plugin

many thanks,

sebastian

ERROR: Caught exception: itk::ERROR: 
TransformFileWriterTemplate(000000000CD770E0): Can't Create IO object 
for file D:/Data
/mitk/fiducials.tfm

   QString fileName = QFileDialog::getSaveFileName(m_Parent, "Choose 
file to export transform", "", "Transform files (*.tfm)");
   if (fileName.isEmpty())
     return;

   std::string suffix = QFileInfo(fileName).suffix().toStdString();
   if (suffix != "tfm")
   {
     fileName += ".tfm";
   }

   mitk::Geometry3D::TransformType::ConstPointer transform = 
m_MovingGeometry->GetIndexToWorldTransform();

   itk::TransformFileWriter::Pointer writer = 
itk::TransformFileWriter::New();
   writer->SetFileName(fileName.toLatin1());
   writer->SetInput( transform );
   try
   {
     writer->Update();
   }
   catch (itk::ExceptionObject e)
   {
     MITK_ERROR << "Caught exception: " << e.GetDescription();
     QMessageBox::information( m_Parent, "Image Registration plugin", 
"Could not export transform. See error log for details." );
   }


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