在python matplotlib动画中停止开始暂停

在python matplotlib动画中停止/开始/暂停

这是一个FuncAnimation示例，我对其进行了修改以暂停鼠标单击。由于动画是由生成器函数驱动的，因此

simData

，当全局变量

pause

为True时，产生相同的数据会使动画显得暂停。

paused

通过设置事件回调来切换的值：

def onClick(event):    global pause    pause ^= Truefig.canvas.mpl_connect('button_press_event', onClick)

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import matplotlib.pyplot as pltimport numpy as npimport matplotlib.animation as animationpause = Falsedef simData():    t_max = 10.0    dt = 0.05    x = 0.0    t = 0.0    while t < t_max:        if not pause: x = np.sin(np.pi*t) t = t + dt        yield x, tdef onClick(event):    global pause    pause ^= Truedef simPoints(simData):    x, t = simData[0], simData[1]    time_text.set_text(time_template%(t))    line.set_data(t, x)    return line, time_textfig = plt.figure()ax = fig.add_subplot(111)line, = ax.plot([], [], 'bo', ms=10)ax.set_ylim(-1, 1)ax.set_xlim(0, 10)time_template = 'Time = %.1f s'time_text = ax.text(0.05, 0.9, '', transform=ax.transAxes)fig.canvas.mpl_connect('button_press_event', onClick)ani = animation.FuncAnimation(fig, simPoints, simData, blit=False, interval=10,    repeat=True)plt.show()