_cross_section_2d.py 文件源码

def __init__(self, viewer, images):
        self.viewer = viewer
        self.images = images
        length = len(self.images)
        fig = self.viewer._fig
        slider_ax = fig.add_axes([0.1, 0.01, 0.8, 0.02])
        self.slider = Slider(slider_ax, 'Frame', 0, length - 1, 0,
                             valfmt='%d/{}'.format(length - 1))
        self.slider.on_changed(self.update)
        self.update(0)  # Trigger the initialization of viewer.