(self)
Returns an active renderer.Perturbation object.
Returns an active renderer.Perturbation object.
Returns an active renderer . Perturbation object .
def perturbation(self):
    """Returns an active renderer.Perturbation object."""
    if self._manipulator and self._manipulator.perturbation:
      return self._manipulator.perturbation
    else:
      return self._null_perturbation
def perturbation ( self ) : if self . _manipulator and self . _manipulator . perturbation : return self . _manipulator . perturbation else : return self . _null_perturbation