60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
## https://matplotlib.org/examples/user_interfaces/embedding_in_tk.html
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import matplotlib
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matplotlib.use('TkAgg')
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from numpy import arange, sin, pi
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from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2Tk
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# implement the default mpl key bindings
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from matplotlib.backend_bases import key_press_handler
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from matplotlib.figure import Figure
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import sys
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if sys.version_info[0] < 3:
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import Tkinter as Tk
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else:
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import tkinter as Tk
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root = Tk.Tk()
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root.wm_title("Embedding in TK")
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f = Figure(figsize=(5, 4), dpi=100)
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a = f.add_subplot(111)
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t = arange(0.0, 3.0, 0.01)
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s = sin(2*pi*t)
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a.plot(t, s)
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# a tk.DrawingArea
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canvas = FigureCanvasTkAgg(f, master=root)
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canvas.draw()
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canvas.get_tk_widget().pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
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toolbar = NavigationToolbar2Tk(canvas, root)
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toolbar.update()
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canvas._tkcanvas.pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
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def on_key_event(event):
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print('you pressed %s' % event.key)
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key_press_handler(event, canvas, toolbar)
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canvas.mpl_connect('key_press_event', on_key_event)
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def _quit():
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root.quit() # stops mainloop
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root.destroy() # this is necessary on Windows to prevent
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# Fatal Python Error: PyEval_RestoreThread: NULL tstate
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button = Tk.Button(master=root, text='Quit', command=_quit)
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button.pack(side=Tk.BOTTOM)
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Tk.mainloop()
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# If you put root.destroy() here, it will cause an error if
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# the window is closed with the window manager. |