gui.py 文件源码

def init_canvas(self):
        """Initializes the matplotlib canvas.

        Adapted from
        https://matplotlib.org/examples/user_interfaces/embedding_in_tk.html

        Generates a frame and palces a figure canvas and a navigation toolbar
        inside it.
        """
        frame_figure = tk.Frame(self.root, bd=1, relief=tk.SUNKEN)
        frame_figure.grid(row=0, column=0, sticky=tk.NW+tk.SW)
        canvas = FigureCanvasTkAgg(self.figure, master=frame_figure)
        canvas.show()
        canvas.get_tk_widget().pack()
        toolbar = NavigationToolbar2TkAgg(canvas, frame_figure)
        toolbar.update()
        canvas._tkcanvas.pack(side=tk.TOP, fill=tk.BOTH, expand=1)