我想更新嵌入到Canvastkinter GUI 中的子圖。無(wú)論我嘗試什么，我的意圖都會(huì)失敗?？纯次矣卸噙h(yuǎn)：from tkinter import *from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationToolbar2Tk)import matplotlib.pyplot as pltimport timeroot = Tk()figId = plt.figure()canvas = FigureCanvasTkAgg(figId, master=root)canvas.get_tk_widget().pack()canvas.draw()vals1 = [5, 6, 3, 9]vals2 = vals1for i in range(0, len(vals1)+1): toPlot = vals1[0:i] plt.subplot(211).plot(toPlot) plt.subplot(212).plot(toPlot) time.sleep(1)root.mainloop()我發(fā)現(xiàn)做類(lèi)似的事情plt.pause(.1)不是正確的方法。對(duì)我來(lái)說(shuō)，似乎我必須介紹matplotlib.animation，但我真的不知道該怎么做。
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我找到了答案：
import random
from itertools import count
import matplotlib.pyplot as plt
from matplotlib.animation import FuncAnimation
from tkinter import *
from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationToolbar2Tk)
x_vals = []
y_vals1 = []
y_vals2 = []
index = count()
root = Tk()
figId = plt.figure()
canvas = FigureCanvasTkAgg(figId, master=root)
canvas.get_tk_widget().pack()
canvas.draw()
def animate(i):
x_vals.append(next(index))
y_vals1.append(random.randint(0, 5))
y_vals2.append(random.randint(0, 5))
plt.cla()
plt.plot(x_vals, y_vals1)
plt.plot(x_vals, y_vals2)
ani = FuncAnimation(plt.gcf(), animate, interval=1000)
root.mainloop()
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