def setOrientation(self, orientation):
        self._orientation = orientation
        self.requestRepaint()
Ensure that state from previous runs (old controller processes,
dataset/ETHPy150Open rwl/muntjac/muntjac/ui/slider.py/Slider.setOrientation--crossover with--dataset/ETHPy150Open ucb-sts/sts/sts/simulation_state.py/Simulation.clean_up