trajectory_viewer.py 文件源码

def make_controls(self):
        self.playbutton = ipy.Play(value=0,
                                   min=0,
                                   max=self.traj.num_frames-1)

        self.slider = ipy.IntSlider(value_selects='framenum', value=0,
                                    description='Frame:', min=0, max=len(self.traj)-1,
                                    readout=False)
        self.readout = ipy.HTML(value='/%d' % (self.traj.num_frames - 1))
        self.annotation = ipy.HTML()

        traitlets.link((self.playbutton, 'value'), (self.slider, 'value'))
        traitlets.link((self.slider, 'value'), (self, 'current_frame'))
        return VBox((self.annotation,
                     HBox((self.playbutton, self.slider, self.readout))))