Exemplo n.º 1
0
void mitk::BinaryThresholdTool::SetupPreviewNode()
{
  if (m_NodeForThresholding.IsNotNull())
  {
    Image::Pointer image = dynamic_cast<Image*>(m_NodeForThresholding->GetData());
    Image::Pointer originalImage = dynamic_cast<Image*> (m_OriginalImageNode->GetData());

    if (image.IsNotNull())
    {
      mitk::Image* workingimage = dynamic_cast<mitk::Image*>(m_ToolManager->GetWorkingData(0)->GetData());

      if (workingimage)
      {
        m_ThresholdFeedbackNode->SetData(workingimage->Clone());

        //Let's paint the feedback node green...
        mitk::LabelSetImage::Pointer previewImage = dynamic_cast<mitk::LabelSetImage*> (m_ThresholdFeedbackNode->GetData());

        itk::RGBPixel<float> pixel;
        pixel[0] = 0.0f;
        pixel[1] = 1.0f;
        pixel[2] = 0.0f;
        previewImage->GetActiveLabel()->SetColor(pixel);
        previewImage->GetActiveLabelSet()->UpdateLookupTable(previewImage->GetActiveLabel()->GetValue());
      }
      else
        m_ThresholdFeedbackNode->SetData(mitk::Image::New());

      int layer(50);
      m_NodeForThresholding->GetIntProperty("layer", layer);
      m_ThresholdFeedbackNode->SetIntProperty("layer", layer + 1);

      if (DataStorage* ds = m_ToolManager->GetDataStorage())
      {
        if (!ds->Exists(m_ThresholdFeedbackNode))
          ds->Add(m_ThresholdFeedbackNode, m_OriginalImageNode);
      }

      if (image.GetPointer() == originalImage.GetPointer())
      {
        Image::StatisticsHolderPointer statistics = originalImage->GetStatistics();
        m_SensibleMinimumThresholdValue = static_cast<double>(statistics->GetScalarValueMin());
        m_SensibleMaximumThresholdValue = static_cast<double>(statistics->GetScalarValueMax());
      }

      if ((originalImage->GetPixelType().GetPixelType() == itk::ImageIOBase::SCALAR)
        && (originalImage->GetPixelType().GetComponentType() == itk::ImageIOBase::FLOAT || originalImage->GetPixelType().GetComponentType() == itk::ImageIOBase::DOUBLE))
        m_IsFloatImage = true;
      else
        m_IsFloatImage = false;


      m_CurrentThresholdValue = (m_SensibleMaximumThresholdValue + m_SensibleMinimumThresholdValue) / 2.0;

      IntervalBordersChanged.Send(m_SensibleMinimumThresholdValue, m_SensibleMaximumThresholdValue, m_IsFloatImage);
      ThresholdingValueChanged.Send(m_CurrentThresholdValue);
    }
  }
}