old_camera.py 文件源码

def show_tf(self):
        if self._pylab is None: 
            import pylab
            self._pylab = pylab
        if self._tf_figure is None:
            self._tf_figure = self._pylab.figure(2)
            self.transfer_function.show(ax=self._tf_figure.axes)
        self._pylab.draw()