这是我的第一个python项目，我试图在Matplotlib中绘制Mandelbrot集并将其放入tkinter框架中 . 这已经完成，但是随着GUI出现了一个无关的空图 . 这个空图具有正确数量的刻度线，而GUI中的绘图在绘图上的刻度标记数量不正确(我无法确定刻度值来自哪里，但我怀疑是像素) . 我现在已经搜索了一段时间如何解决这个问题无济于事 . 我已经尝试过canvas.draw，搞乱方法和类，我仍然无法弄明白......以下是将运行的代码的摘录 . 指定显示的代码在名为mandelbrot_image和MainPage类的方法中提前谢谢 .

import matplotlib

matplotlib.use("TkAgg")

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2TkAgg

from matplotlib.figure import Figure

import tkinter as tk

from tkinter import ttk

from tkinter import *

import numpy as np

from numba import jit

from matplotlib import pyplot as plt

from matplotlib import colors

#maths and display code derived/inspired from Jean Francois Puget

#https://www.ibm.com/developerworks/community/blogs/jfp/entry/My_Christmas_Gift?lang=en

@jit

def mandelbrot(z,maxiter,horizon,log_horizon):

c = z

for n in range(maxiter):

az = abs(z)

if az > horizon:

return n - np.log(np.log(az))/np.log(2) + log_horizon

z = z*z + c

return 0

@jit

def mandelbrot_set(xmin,xmax,ymin,ymax,width,height,maxiter):

horizon = 2.0 ** 40

log_horizon = np.log(np.log(horizon))/np.log(2)

r1 = np.linspace(xmin, xmax, width)

r2 = np.linspace(ymin, ymax, height)

n3 = np.empty((width,height))

for i in range(width):

for j in range(height):

n3[i,j] = mandelbrot(r1[i] + 1j*r2[j],maxiter,horizon, log_horizon)

return (r1,r2,n3)

LARGE_FONT= ("Verdana", 12)

def mandelbrot_image(xmin=-2.,xmax=0.5,ymin=-1.25,ymax=1.25,width=10,height=10,\

maxiter=1000,cmap='jet',gamma=0.3):

dpi = 80

img_width = dpi * width

img_height = dpi * height

x,y,z = mandelbrot_set(xmin,xmax,ymin,ymax,img_width,img_height,maxiter)

fig = Figure(figsize=(width, height))

ax = fig.add_subplot(111)

ticks = np.arange(0,img_width,3*dpi)

x_ticks = xmin + (xmax-xmin)*ticks/img_width

plt.xticks(ticks, x_ticks)

y_ticks = ymin + (ymax-ymin)*ticks/img_width

plt.yticks(ticks, y_ticks)

ax.set_title("The Mandelbrot set")

norm = colors.PowerNorm(gamma)

ax.imshow(z.T,cmap=cmap,origin='lower',norm=norm)

return fig

class base(tk.Tk):

def __init__(self, *args, **kwargs):

tk.Tk.__init__(self, *args, **kwargs)

tk.Tk.iconbitmap(self, "iconz.ico")

tk.Tk.wm_title(self, "Mandelbrot Renderer")

container = tk.Frame(self)

container.pack(side="top", fill="both", expand = True)

container.grid_rowconfigure(0, weight=1)

container.grid_columnconfigure(0, weight=1)

self.frames = {}

for F in (StartPage, MainPage):

frame = F(container, self)

self.frames[F] = frame

frame.grid(row=0, column=0, sticky="nsew")

self.show_frame(StartPage)

def show_frame(self, cont):

frame = self.frames[cont]

frame.tkraise()

class StartPage(tk.Frame):

def __init__(self, parent, controller):

tk.Frame.__init__(self,parent)

label = tk.Label(self, text="Start Page", font=LARGE_FONT)

label.pack(pady=10,padx=10)

button = tk.Button(self, text="Lets Begin",

command=lambda: controller.show_frame(MainPage))

button.pack()

class MainPage(tk.Frame):

def getcheckvalue(self):

print (self.mvar.get())

def __init__(self, parent, controller):

tk.Frame.__init__(self, parent)

label = tk.Label(self, text="Graph Page!", font=LARGE_FONT)

label.pack(pady=10,padx=10)

button1 = ttk.Button(self, text="Back to Home",

command=lambda: controller.show_frame(StartPage))

button1.pack()

fig = mandelbrot_image()

canvas = FigureCanvasTkAgg(fig, self)

canvas.show()

canvas.get_tk_widget().pack(side=tk.BOTTOM, fill=tk.BOTH, expand=True)

toolbar = NavigationToolbar2TkAgg(canvas, self)

toolbar.update()

canvas._tkcanvas.pack(side=tk.TOP, fill=tk.BOTH, expand=True)

app = base()

app.geometry ("800x600")

app.mainloop()