Method UpdatePaths

Modules/Core/src/Rendering/mitkVtkPropRenderer.cpp:483–519

}

void mitk::VtkPropRenderer::UpdatePaths()
{
  if (m_DataStorage.IsNull())
  {
    return;
  }

  if (GetMTime() > m_PathTime || (m_Paths != nullptr && m_Paths->GetMTime() > m_PathTime))
  {
    // Create the list to hold all the paths
    m_Paths = vtkSmartPointer<vtkAssemblyPaths>::New();

    DataStorage::SetOfObjects::ConstPointer objects = m_DataStorage->GetAll();
    for (auto iter = objects->begin(); iter != objects->end(); ++iter)
    {
      vtkSmartPointer<vtkAssemblyPath> onePath = vtkSmartPointer<vtkAssemblyPath>::New();
      Mapper *mapper = (*iter)->GetMapper(BaseRenderer::Standard3D);
      if (mapper)
      {
        auto *vtkmapper = dynamic_cast<VtkMapper *>(mapper);

        if (nullptr != vtkmapper)
        {
          vtkProp *prop = vtkmapper->GetVtkProp(this);
          if (prop && prop->GetVisibility())
          {
            // add to assembly path
            onePath->AddNode(prop, prop->GetMatrix());
            m_Paths->AddItem(onePath);
          }
        }
      }
    }

    m_PathTime.Modified();
  }
}

int mitk::VtkPropRenderer::GetNumberOfPaths()
{