tkinter GUI中绘制matplotlib动态图像

https://www.cnblogs.com/SunChuangYu/p/12427348.html

#!/usr/bin/env python
# coding:utf-8
import numpy as np
from tkinter import *
import matplotlib
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure


def drawPic():
    try:
        sampleCount = int(inputEntry.get())
    except:
        sampleCount = 50
        print
        '请输入整数'
        inputEntry.delete(0, END)
        inputEntry.insert(0, '50')

    # 清空图像，以使得前后两次绘制的图像不会重叠
    drawPic.f.clf()
    drawPic.a = drawPic.f.add_subplot(111)

    # 在[0,100]范围内随机生成sampleCount个数据点
    x = np.random.randint(0, 100, size=sampleCount)
    y = np.random.randint(0, 100, size=sampleCount)
    color = ['b', 'r', 'y', 'g']

    # 绘制这些随机点的散点图，颜色随机选取
    drawPic.a.scatter(x, y, s=3, color=color[np.random.randint(len(color))])
    drawPic.a.set_title('Demo: Draw N Random Dot')
    drawPic.canvas.draw()


if __name__ == '__main__':
    matplotlib.use('TkAgg')
    root = Tk()
    # 在Tk的GUI上放置一个画布，并用.grid()来调整布局
    drawPic.f = Figure(figsize=(5, 4), dpi=100)

    drawPic.canvas = FigureCanvasTkAgg(drawPic.f, master=root)
    drawPic.canvas.draw()
    drawPic.canvas.get_tk_widget().grid(row=0, columnspan=3)

    # 放置标签、文本框和按钮等部件，并设置文本框的默认值和按钮的事件函数
    Label(root, text='请输入样本数量：').grid(row=1, column=0)
    inputEntry = Entry(root)
    inputEntry.grid(row=1, column=1)
    inputEntry.insert(0, '50')
    Button(root, text='画图', command=drawPic).grid(row=1, column=2, columnspan=3)

    # 启动事件循环
    root.mainloop()

　　

#!/usr/bin/env python
# coding:utf-8
import numpy as np
from tkinter import *
import matplotlib
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure


def drawPic():
    try:
        sampleCount = int(inputEntry.get())
    except:
        sampleCount = 50
print
'请输入整数'
inputEntry.delete(0, END)
        inputEntry.insert(0, '50')

    # 清空图像，以使得前后两次绘制的图像不会重叠
drawPic.f.clf()
    drawPic.a = drawPic.f.add_subplot(111)

    # 在[0,100]范围内随机生成sampleCount个数据点
x = np.random.randint(0, 100, size=sampleCount)
    y = np.random.randint(0, 100, size=sampleCount)
    color = ['b', 'r', 'y', 'g']

    # 绘制这些随机点的散点图，颜色随机选取
drawPic.a.scatter(x, y, s=3, color=color[np.random.randint(len(color))])
    drawPic.a.set_title('Demo: Draw N Random Dot')
    drawPic.canvas.draw()


if __name__ == '__main__':
    matplotlib.use('TkAgg')
    root = Tk()
    # 在Tk的GUI上放置一个画布，并用.grid()来调整布局
drawPic.f = Figure(figsize=(5, 4), dpi=100)

    drawPic.canvas = FigureCanvasTkAgg(drawPic.f, master=root)
    drawPic.canvas.draw()
    drawPic.canvas.get_tk_widget().grid(row=0, columnspan=3)

    # 放置标签、文本框和按钮等部件，并设置文本框的默认值和按钮的事件函数
Label(root, text='请输入样本数量：').grid(row=1, column=0)
    inputEntry = Entry(root)
    inputEntry.grid(row=1, column=1)
    inputEntry.insert(0, '50')
    Button(root, text='画图', command=drawPic).grid(row=1, column=2, columnspan=3)

    # 启动事件循环
root.mainloop()