def METHOD_NAME(self, **kwargs):
    """
    Update the vtkRenderer settings. (override)
    Inputs:
        see ChiggerObject
    """
    super(ChiggerResultBase, self).METHOD_NAME(**kwargs)
    # Render layer
    if self.isOptionValid('layer'):
        self._vtkrenderer.SetLayer(self.getOption('layer'))
    # Viewport
    if self.isOptionValid('viewport'):
        self._vtkrenderer.SetViewport(self.getOption('viewport'))
    # Background (only gets applied if layer=0)
    self._vtkrenderer.SetBackground(self.getOption('background'))
    if self.isOptionValid('background2'):
        self._vtkrenderer.SetBackground2(self.getOption('background2'))
    if self.isOptionValid('gradient_background'):
        self._vtkrenderer.SetGradientBackground(self.getOption('gradient_background'))
    # Camera
    if self.isOptionValid('camera'):
        self._vtkrenderer.SetActiveCamera(self.getOption('camera'))
    # Headlight
    if self.isOptionValid('light'):
        self._vtklight.SetIntensity(1.5)
        self._vtkrenderer.AddLight(self._vtklight)