如何將這個matplotlib代碼嵌入到tkinter畫布中？

Question

matplotlib代碼是在http://matplotlib.sourceforge.net/examples/animation/strip_chart_demo.html

我想將這段代碼嵌入到我的tkinter GUI中，我該怎麼做？正如它所說的「」「這個例子使用gtk，但並不依賴它，它只是使用空閒處理程序觸發事件，可以將其插入到支持動畫的不同GUI中（GTKAgg，TkAgg，WXAgg）並使用 您的工具包空閒/定時器功能。「」「

TkAgg中的空閒/定時器功能是什麼？

Answer 1

這可能會或可能不會是你所尋找的：

import matplotlib 
matplotlib.use('TkAgg') 
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2TkAgg 
from matplotlib.figure import Figure 
from matplotlib.lines import Line2D 
import numpy as np 

try: 
    import Tkinter as Tk 
except ImportError: 
    import tkinter as Tk 


class Scope: 
    def __init__(self, ax, maxt=10, dt=0.01): 
     self.ax = ax 
     self.canvas = ax.figure.canvas 
     self.dt = dt 
     self.maxt = maxt 
     self.tdata = [0] 
     self.ydata = [0] 
     self.line = Line2D(self.tdata, self.ydata, animated=True) 
     self.ax.add_line(self.line) 
     self.background = None 
     self.canvas.mpl_connect('draw_event', self.update_background) 
     self.ax.set_ylim(-.1, 1.1) 
     self.ax.set_xlim(0, self.maxt) 

    def update_background(self, event): 
     self.background = self.canvas.copy_from_bbox(self.ax.bbox) 

    def emitter(self, p=0.01): 
     'return a random value with probability p, else 0' 
     v = np.random.rand(1) 
     if v>p: return 0. 
     else: return np.random.rand(1) 

    def update_view(self, *args): 
     if self.background is None: return True 
     y = self.emitter() 
     lastt = self.tdata[-1] 
     if lastt>self.tdata[0]+self.maxt: 
      self.tdata = [self.tdata[-1]] 
      self.ydata = [self.ydata[-1]] 
      self.ax.set_xlim(self.tdata[0], self.tdata[0]+self.maxt) 
      self.ax.figure.canvas.draw() 

     self.canvas.restore_region(self.background) 

     t = self.tdata[-1] + self.dt 
     self.tdata.append(t) 
     self.ydata.append(y) 
     self.line.set_data(self.tdata, self.ydata) 
     self.ax.draw_artist(self.line) 

     self.canvas.blit(self.ax.bbox) 
     self.canvas.get_tk_widget().after(25, self.update_view) # ***important 
     return True 


root = Tk.Tk() 

f = Figure() 
ax = f.add_subplot(111) 

canvas = FigureCanvasTkAgg(f, master=root) 
canvas.get_tk_widget().pack(side=Tk.TOP, fill=Tk.BOTH, expand=1) 
canvas.show() 

toolbar = NavigationToolbar2TkAgg(canvas, root) 
toolbar.pack(side=Tk.TOP, fill=Tk.BOTH, expand=1) 
toolbar.update() 

button = Tk.Button(master=root, text='Quit', command=root.destroy) 
button.pack(side=Tk.BOTTOM) 

scope = Scope(ax) 
root.after(50, scope.update_view) 
root.mainloop()