travelling_salesman_problem_2.py 文件源码

def __init__(self, master=None, iter=None):

        self.master = master
        self.iter = iter

        self.frame_o = Frame(height=50, relief=GROOVE, bd=2)
        self.frame_o.pack(fill=BOTH, expand=1)

        self.but_update_plot = Button(master=self.frame_o,
                                      text='Start Animation',
                                      command=self.iter.start_animation)
        self.but_update_plot.pack(fill=BOTH, expand=1)

        self.figure = Figure(figsize=(6, 7), dpi=100)

        # a tk.DrawingArea
        self.frame_c = Frame(relief = GROOVE, bd = 2)
        self.frame_c.pack(fill=BOTH, expand=1,)
        self.canvas = FigureCanvasTkAgg(self.figure, master=self.frame_c)
        self.canvas.show()
        self.canvas.get_tk_widget().pack(fill=BOTH, expand=1)

        self.toolbar = NavigationToolbar2TkAgg(self.canvas, self.frame_c)
        self.toolbar.update()
        self.canvas._tkcanvas.pack( fill=BOTH, expand=1)
        self.ini_plot()