Method OnCreateCroppedMask

Modules/SegmentationUI/src/QmitkMultiLabelManager.cpp:253–305

}

void QmitkMultiLabelManager::OnCreateCroppedMask(bool)
{
  mitk::ToolManagerProvider::GetInstance()->GetToolManager()->ActivateTool(-1);

  mitk::Image::Pointer maskImage;
  auto currentLabel = this->GetMultiLabelSegmentation()->GetLabel(this->GetSelectedLabels().front());
  try
  {
    this->WaitCursorOn();

    if (currentLabel.IsNull())
      mitkThrow() << "Invalid state context menu action was triggered with an invalid label id. Label id: " << this->GetSelectedLabels().front();

    auto pixelValue = currentLabel->GetValue();

    mitk::AutoCropImageFilter::Pointer cropFilter = mitk::AutoCropImageFilter::New();
    cropFilter->SetInput(mitk::CreateLabelMask(this->GetMultiLabelSegmentation(),pixelValue));
    cropFilter->SetBackgroundValue(0);
    cropFilter->SetMarginFactor(1.15);
    cropFilter->Update();

    maskImage = cropFilter->GetOutput();

    this->WaitCursorOff();
  }
  catch (mitk::Exception &e)
  {
    this->WaitCursorOff();
    MITK_ERROR << "Exception caught: " << e.GetDescription();
    QMessageBox::information(this, "Create Mask", "Could not create a mask out of the selected label.\n");
    return;
  }

  if (maskImage.IsNull())
  {
    QMessageBox::information(this, "Create Mask", "Could not create a mask out of the selected label.\n");
    return;
  }

  mitk::DataNode::Pointer maskNode = mitk::DataNode::New();
  std::string name = currentLabel->GetName();
  name += "-mask";
  maskNode->SetName(name);
  maskNode->SetData(maskImage);
  maskNode->SetBoolProperty("binary", true);
  maskNode->SetBoolProperty("outline binary", true);
  maskNode->SetBoolProperty("outline binary shadow", true);
  maskNode->SetFloatProperty("outline width", 2.0);
  maskNode->SetColor(currentLabel->GetColor());
  maskNode->SetOpacity(1.0);

  m_DataStorage->Add(maskNode, this->GetMultiLabelNode());
}

void QmitkMultiLabelManager::OnCreateMask(bool /*triggered*/)
{