Method CreateLabelMask

Modules/Multilabel/src/mitkLabelSetImageConverter.cpp:376–410

}

mitk::Image::Pointer mitk::CreateLabelMask(const MultiLabelSegmentation* segmentation, MultiLabelSegmentation::LabelValueType labelValue, bool createBinaryMap)
{
  if (nullptr==segmentation)
    mitkThrow() << "Error, cannot create label mask. Passed segmentation is nullptr.";
  
  if (!segmentation->ExistLabel(labelValue))
    mitkThrow() << "Error, cannot create label mask. Label ID is invalid. Invalid ID: " << labelValue;

  auto mask = mitk::Image::New();

  // mask->Initialize(segmentation) does not work here if this label set image has a single slice,
  // since the mask would be automatically flattened to a 2-d image, whereas we expect the
  // original dimension of this label set image. Hence, initialize the mask more explicitly:
  mask->Initialize(MultiLabelSegmentation::GetPixelType(), segmentation->GetDimension(), segmentation->GetDimensions().data());
  mask->SetTimeGeometry(segmentation->GetTimeGeometry()->Clone());

  ClearImageBuffer(mask);

  auto destinationLabel = segmentation->GetLabel(labelValue)->Clone();
  if (createBinaryMap) destinationLabel->SetValue(1);

  const auto groupID = segmentation->GetGroupIndexOfLabel(labelValue);
  const auto groupImage = segmentation->GetGroupImage(groupID);

  TransferLabelContent(groupImage,
    mask.GetPointer(),
    { destinationLabel },
    MultiLabelSegmentation::UNLABELED_VALUE,
    MultiLabelSegmentation::UNLABELED_VALUE, false,
    { { labelValue, destinationLabel->GetValue()} },
    MultiLabelSegmentation::MergeStyle::Replace,
    MultiLabelSegmentation::OverwriteStyle::IgnoreLocks);

  return mask;
}

mitk::Image::Pointer mitk::CreateFilteredGroupImage(const MultiLabelSegmentation* segmentation, MultiLabelSegmentation::GroupIndexType groupID, const MultiLabelSegmentation::LabelValueVectorType& selectedLabels)
{