Method Update

Modules/ContourModel/src/Rendering/mitkContourModelMapper3D.cpp:70–117

}

void mitk::ContourModelMapper3D::Update(mitk::BaseRenderer *renderer)
{
  bool visible = true;
  GetDataNode()->GetVisibility(visible, renderer, "visible");

  auto *data = static_cast<mitk::ContourModel *>(GetDataNode()->GetData());
  if (data == nullptr)
  {
    return;
  }

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

  LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer);
  // Check if time step is valid
  const TimeGeometry *dataTimeGeometry = data->GetTimeGeometry();
  if ((dataTimeGeometry == nullptr) || (dataTimeGeometry->CountTimeSteps() == 0) ||
      (!dataTimeGeometry->IsValidTimePoint(renderer->GetTime())) || (this->GetTimestep() == TIMESTEP_INVALID))
  {
    // clear the rendered polydata
    localStorage->m_Mapper->SetInputData(vtkSmartPointer<vtkPolyData>::New());
    return;
  }

  const DataNode *node = this->GetDataNode();
  data->UpdateOutputInformation();

  // check if something important has changed and we need to rerender
  if ((localStorage->m_LastUpdateTime < node->GetMTime()) // was the node modified?
      ||
      (localStorage->m_LastUpdateTime < data->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);
  }

  // since we have checked that nothing important has changed, we can set
  // m_LastUpdateTime to the current time
  localStorage->m_LastUpdateTime.Modified();
}

vtkSmartPointer<vtkPolyData> mitk::ContourModelMapper3D::CreateVtkPolyDataFromContour(mitk::ContourModel *inputContour)
{