Method IsRendererInserted

Modules/Core/src/Controllers/mitkVtkLayerController.cpp:221–252

* Returns true if a renderer has been inserted */

* Returns true if a renderer has been inserted
*/
bool mitk::VtkLayerController::IsRendererInserted(vtkSmartPointer<vtkRenderer> renderer)
{
  RendererVectorType::iterator it;
  // background layers
  if (m_BackgroundRenderers.size() > 0)
  {
    it = std::find(m_BackgroundRenderers.begin(), m_BackgroundRenderers.end(), renderer);
    if (it != m_BackgroundRenderers.end())
    {
      return true;
    }
  }
  // scene layers
  if (m_SceneRenderers.size() > 0)
  {
    it = std::find(m_SceneRenderers.begin(), m_SceneRenderers.end(), renderer);
    if (it != m_SceneRenderers.end())
    {
      return true;
    }
  }
  // foreground layers
  if (m_ForegroundRenderers.size() > 0)
  {
    it = std::find(m_ForegroundRenderers.begin(), m_ForegroundRenderers.end(), renderer);
    if (it != m_ForegroundRenderers.end())
    {
      return true;
    }
  }
  return false;
}
/**
 * Internally used to sort all registered renderers and to connect the with the vtkRenderWindow.
 * Mention that VTK Version 5 and above is rendering higher numbers in the background and VTK