54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
#matplotlib, numpy, pyplot
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#Tony Crewe
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#Oct 2018
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import PySimpleGUI as sg
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import matplotlib.pyplot as plt
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from matplotlib.backends.backend_tkagg import FigureCanvasAgg
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import matplotlib.backends.tkagg as tkagg
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import numpy as np
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import tkinter as tk
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def draw_figure(canvas, figure, loc = (0,0)):
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figure_canvas_agg = FigureCanvasAgg(figure)
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figure_canvas_agg.draw()
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figure_x, figure_y, figure_w, figure_h = figure.bbox.bounds
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figure_w, figure_h = int(figure_w), int(figure_h)
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photo = tk.PhotoImage(master=canvas, width=figure_w, height=figure_h)
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canvas.create_image(loc[0] + figure_w/2, loc[1] + figure_h/2, image=photo)
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tkagg.blit(photo, figure_canvas_agg.get_renderer()._renderer, colormode=2)
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return photo
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#------------ Matplotlib code --------------------
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fig=plt.figure()
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ax = fig.add_subplot(111)
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x = np.linspace(-np.pi*2, np.pi*2, 100)
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y= np.sin(x)
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plt.plot(x,y)
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ax.set_title('sin(x)')
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#centre bottom and left axes to zero
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ax.spines['left'].set_position('zero')
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ax.spines['right'].set_color('none')
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ax.spines['bottom'].set_position('zero')
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ax.spines['top'].set_color('none')
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figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
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#------------End Matplotlib code --------------------
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layout = [[sg.Text('Plot Test - PySimpleGUI and Matplotlib (axes centred)', font = ('Calibri', 18, 'bold'))],
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[sg.Canvas(size = (figure_w, figure_h), key = '_canvas_')],
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[sg.OK(pad=((figure_w / 2, 0), 3), size=(6, 2))]]
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window = sg.Window('Matplot in PySimpleGUI', force_toplevel = True).Layout(layout).Finalize()
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fig_photo = draw_figure(window.FindElement('_canvas_').TKCanvas, fig)
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button, value = window.Read()
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