        la = vtkLightActor()
        la.SetLight(l1)
        renderer.AddViewProp(la)
    angle = l2.GetConeAngle()
    if l2.LightTypeIsSceneLight() and l2.GetPositional() and angle < 180.0:  # spotlight
        la = vtkLightActor()
        la.SetLight(l2)
        renderer.AddViewProp(la)

    renderer.SetBackground2(colors.GetColor3d('Black'))
    renderer.SetBackground(colors.GetColor3d('Silver'))
