Method Write

Modules/Multilabel/autoload/IO/mitkMultiLabelSegmentationIO.cpp:66–126

  }

  void MultiLabelSegmentationIO::Write()
  {
    ValidateOutputLocation();

    auto input = dynamic_cast<const MultiLabelSegmentation *>(this->GetInput());

    mitk::LocaleSwitch localeSwitch("C");

    mitk::Image::Pointer inputVector = mitk::ConvertLabelSetImageToImage(input);

    // image write
    if (inputVector.IsNull())
    {
      mitkThrow() << "Cannot write non-image data";
    }

    itk::NrrdImageIO::Pointer nrrdImageIo = itk::NrrdImageIO::New();

    ItkImageIO::PreparImageIOToWriteImage(nrrdImageIo, inputVector);

    LocalFile localFile(this);
    const std::string path = localFile.GetFileName();

    MITK_INFO << "Writing image: " << path << std::endl;

    try
    {
      itk::EncapsulateMetaData<std::string>(
        nrrdImageIo->GetMetaDataDictionary(), std::string(MULTILABEL_SEGMENTATION_MODALITY_KEY), std::string(MULTILABEL_SEGMENTATION_MODALITY_VALUE));

      //nrrd does only support string meta information. So we have to convert before.
      itk::EncapsulateMetaData<std::string>(
        nrrdImageIo->GetMetaDataDictionary(), std::string(MULTILABEL_SEGMENTATION_VERSION_KEY), std::to_string(MULTILABEL_SEGMENTATION_VERSION_VALUE));

      auto json = MultiLabelIOHelper::SerializeMultLabelGroupsToJSON(input);
      itk::EncapsulateMetaData<std::string>(
        nrrdImageIo->GetMetaDataDictionary(), std::string(MULTILABEL_SEGMENTATION_LABELS_INFO_KEY), json.dump());
      // end label set specific meta data

      //nrrd does only support string meta information. So we have to convert before.
      itk::EncapsulateMetaData<std::string>(
        nrrdImageIo->GetMetaDataDictionary(), std::string(MULTILABEL_SEGMENTATION_UNLABELEDLABEL_LOCK_KEY), std::to_string(input->GetUnlabeledLabelLock()));

      // Handle properties
      ItkImageIO::SavePropertyListAsMetaData(nrrdImageIo->GetMetaDataDictionary(), input->GetPropertyList(), this->GetMimeType()->GetName());

      // Handle UID
      itk::EncapsulateMetaData<std::string>(nrrdImageIo->GetMetaDataDictionary(), PROPERTY_KEY_UID, input->GetUID());

      // use compression if available
      nrrdImageIo->UseCompressionOn();
      nrrdImageIo->SetFileName(path);

      ImageReadAccessor imageAccess(inputVector);
      nrrdImageIo->Write(imageAccess.GetData());
    }
    catch (const std::exception &e)
    {