90 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			90 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #matplotlib, numpy, pyplot
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| #Tony Crewe
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| #Oct 2018
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| 
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| import PySimpleGUI as sg
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| import matplotlib.pyplot as plt
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| import matplotlib.ticker as ticker
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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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| 
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| 
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| def draw_figure(canvas, figure, loc = (0,0)):
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| 
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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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| 
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| 
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| #------------ Matplotlib code --------------------
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| 
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| def set_plot(amp, function):
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|     global figure_w, figure_h, fig
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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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|     if function == 'sine':
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|         y= amp*np.sin(x)
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|         ax.set_title('sin(x)')
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|     else:
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|         y=amp*np.cos(x)
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|         ax.set_title('cos(x)')
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|     plt.plot(x/np.pi,y)
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| 
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|     
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|     #centre bottom and left axes to zero
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| 
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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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| 
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|     #Format axes - nicer eh!
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|     ax.xaxis.set_major_formatter(ticker.FormatStrFormatter('%g $\pi$'))
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| 
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|     figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
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| amp = 1
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| function = 'sine'
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| set_plot(amp, function)
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| 
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| #------------End Matplotlib code --------------------
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| 
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| #use Tabs - one for options, one for canvas to be displayed
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| #set spinner for amplitude and combo for function type
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| 
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| tab1_layout = [[sg.Text('Select Amplitude and trig function type', font = ('Calibri', 18, 'bold'))],
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|                [sg.Spin([sz for sz in range (1,5)], initial_value =1, size = (2,1), key = '_spin_'),
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|                 sg.Text('Amplitude', size = (10, 1), font = ('Calibri', 12, 'bold'))],
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|                [sg.InputCombo(['sine', 'cosine'], size = (8, 4), key = '_function_'),
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|                 sg.Text('Function', size = (10, 1),font = ('Calibri', 12, 'bold'))],
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|                [sg.ReadButton('Redraw Plot')],
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|                [sg.Text('', size = (2, 25))]]
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|                
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| tab2_layout = [[sg.Text('Plot Test - PySimpleGUI and Matplotlib and options', 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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| 
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| layout = [[sg.TabGroup([[sg.Tab('Select options', tab1_layout), sg.Tab('Display Plot', tab2_layout)]])]]
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| window = sg.Window('Matplot, PySimpleGUI and options', force_toplevel = True).Layout(layout).Finalize()
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| 
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| fig_photo = draw_figure(window.FindElement('_canvas_').TKCanvas, fig)
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| 
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| while True:
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|     button, value = window.Read()
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|     if button == 'Redraw Plot':
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|         amp = int(value['_spin_'])
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|         function = value['_function_']
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|         set_plot(amp,function)
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|         fig_photo = draw_figure(window.FindElement('_canvas_').TKCanvas, fig)
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|         
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|     if button is None:   
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|         break
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| 
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| 
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