Method Update

Modules/Core/src/Rendering/mitkSurfaceVtkMapper2D.cpp:123–185

}

void mitk::SurfaceVtkMapper2D::Update(mitk::BaseRenderer *renderer)
{
  const mitk::DataNode *node = GetDataNode();

  if (node == nullptr)
  {
    this->ResetMapper(renderer);
    return;
  }

  bool visible = true;
  node->GetVisibility(visible, renderer, "visible");

  if (!visible)
  {
    this->ResetMapper(renderer);
    return;
  }

  auto *surface = static_cast<mitk::Surface *>(node->GetData());

  if (surface == nullptr)
  {
    this->ResetMapper(renderer);
    return;
  }

  const auto* worldGeometry = renderer->GetWorldTimeGeometry();
  const auto timeBounds = worldGeometry->GetTimeBounds(renderer->GetTimeStep());

  if (!surface->GetTimeGeometry()->IsValidTimePoint(timeBounds[0]))
  {
    this->ResetMapper(renderer);
    return;
  }

  // Calculate time step of the input data for the specified renderer (integer value)
  this->CalculateTimeStep(renderer);

  surface->UpdateOutputInformation();
  LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer);
  localStorage->m_PropAssembly->VisibilityOn();

  // check if something important has changed and we need to rerender
  if ((localStorage->m_LastUpdateTime < node->GetMTime()) // was the node modified?
      ||
      (localStorage->m_LastUpdateTime < surface->GetPipelineMTime()) // Was the data modified?
      ||
      (localStorage->m_LastUpdateTime <
       renderer->GetCurrentWorldPlaneGeometryUpdateTime()) // was the geometry modified?
      ||
      (localStorage->m_LastUpdateTime < renderer->GetCurrentWorldPlaneGeometry()->GetMTime()) ||
      (localStorage->m_LastUpdateTime < node->GetPropertyList()->GetMTime()) // was a property modified?
      ||
      (localStorage->m_LastUpdateTime < node->GetPropertyList(renderer)->GetMTime()))
  {
    this->GenerateDataForRenderer(renderer);
  }