Method Update

Plugins/org.mitk.gui.qt.pixelvalue/src/internal/QmitkPixelValueView.cpp:107–221

}

void QmitkPixelValueView::Update()
{
  const auto position = m_SliceNavigationListener.GetCurrentSelectedPosition();
  const auto timePoint = m_SliceNavigationListener.GetCurrentSelectedTimePoint();
  
  auto isImage = mitk::TNodePredicateDataType<mitk::Image>::New();
  auto isSegmentation = mitk::NodePredicateDataType::New("MultiLabelSegmentation");

  auto predicate = mitk::NodePredicateAnd::New();
  predicate->AddPredicate(mitk::NodePredicateNot::New(isSegmentation));
  predicate->AddPredicate(isImage);

  auto nodes = GetDataStorage()->GetSubset(predicate);

  if (nodes.IsNull())
  {
    this->Clear();
    return;
  }

  mitk::Image::Pointer image;
  mitk::DataNode::Pointer topParentNode;

  int component = 0;

  auto node = mitk::FindTopmostVisibleNode(nodes, position, timePoint, nullptr);

  if (node.IsNull())
  {
    this->Clear();
    return;
  }

  bool isBinary = false;
  node->GetBoolProperty("binary", isBinary);

  if (isBinary)
  {
    auto parentNodes = GetDataStorage()->GetSources(node, nullptr, true);

    if (!parentNodes->empty())
      topParentNode = FindTopmostVisibleNode(nodes, position, timePoint, nullptr);

    if (topParentNode.IsNotNull())
    {
      image = dynamic_cast<mitk::Image*>(topParentNode->GetData());
      topParentNode->GetIntProperty("Image.Displayed Component", component);
    }
    else
    {
      image = dynamic_cast<mitk::Image*>(node->GetData());
      node->GetIntProperty("Image.Displayed Component", component);
    }
  }
  else
  {
    image = dynamic_cast<mitk::Image*>(node->GetData());
    node->GetIntProperty("Image.Displayed Component", component);