simplegraphics.py

import matplotlib
matplotlib.use('TkAgg')

import numpy as np
import matplotlib.pyplot as plt
#import plotly.plotly as py
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2TkAgg
# implement the default mpl key bindings
from matplotlib.backend_bases import key_press_handler


from matplotlib.figure import Figure

import sys
if sys.version_info[0] < 3:
    import Tkinter as Tk
else:
    import tkinter as Tk

def plotAsteroids(x,y):
    root = Tk.Tk()
    root.wm_title("Asteroids")

    f = Figure(figsize=(5, 4), dpi=100)
    a = f.add_subplot(111)

    a.plot(x,y,"o")


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

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


    def on_key_event(event):
        print('you pressed %s' % event.key)
        key_press_handler(event, canvas, toolbar)

    canvas.mpl_connect('key_press_event', on_key_event)


    def _quit():
        root.quit()     # stops mainloop
        root.destroy()  # this is necessary on Windows to prevent
                        # Fatal Python Error: PyEval_RestoreThread: NULL tstate

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

    Tk.mainloop()
    # If you put root.destroy() here, it will cause an error if
    # the window is closed with the window manager.