Hi again, sorry to insist but I am stuck on something that I believe
should be easy to fix.
For those who work with image registration: how do you save your
transformation to file? I used to save them to file very straightforward
with itk 3.2
Is the following code correct?
thank you!
sebastian
const TransformType* transform = this->GetLandmarkTransform(); //
TransformType is of type itk::VersorRigid3DTransform< double >
typedef itk::TransformFileWriterTemplate<double> TransformWriterType;
TransformWriterType::Pointer writer = TransformWriterType::New();
writer->SetInput(transform);
writer->SetFileName("test.tfm");
try
{
writer->Update();
}
catch (itk::ExceptionObject& e)
{
MITK_ERROR << "Caught exception: " << e.GetDescription();
QMessageBox::information( this, "Save transform", "Could not save
transform. See error log for details." );
}
On 23/05/2016 02:43 p.m., Sebastian Ordas wrote:
> 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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