57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
import PySimpleGUI as sg
|
||
|
|
|
||
|
|
from random import randint
|
||
|
|
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, FigureCanvasAgg
|
||
|
|
from matplotlib.figure import Figure
|
||
|
|
|
||
|
|
def draw_figure(canvas, figure, loc=(0, 0)):
|
||
|
|
figure_canvas_agg = FigureCanvasTkAgg(figure, canvas)
|
||
|
|
figure_canvas_agg.draw()
|
||
|
|
figure_canvas_agg.get_tk_widget().pack(side='top', fill='both', expand=1)
|
||
|
|
return figure_canvas_agg
|
||
|
|
|
||
|
|
def main():
|
||
|
|
|
||
|
|
NUM_DATAPOINTS = 10000
|
||
|
|
# define the form layout
|
||
|
|
layout = [[sg.Text('Animated Matplotlib', size=(40, 1), justification='center', font='Helvetica 20')],
|
||
|
|
[sg.Canvas(size=(640, 480), key='-CANVAS-')],
|
||
|
|
[sg.Text('Progress through the data')],
|
||
|
|
[sg.Slider(range=(0, NUM_DATAPOINTS), size=(60, 10), orientation='h', key='-SLIDER-')],
|
||
|
|
[sg.Text('Number of data points to display on screen')],
|
||
|
|
[sg.Slider(range=(10, 500), default_value=40, size=(40, 10), orientation='h', key='-SLIDER-DATAPOINTS-')],
|
||
|
|
[sg.Button('Exit', size=(10, 1), pad=((280, 0), 3), font='Helvetica 14')]]
|
||
|
|
|
||
|
|
# create the form and show it without the plot
|
||
|
|
window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI', layout, finalize=True)
|
||
|
|
|
||
|
|
canvas_elem = window.FindElement('-CANVAS-')
|
||
|
|
slider_elem = window.FindElement('-SLIDER-')
|
||
|
|
canvas = canvas_elem.TKCanvas
|
||
|
|
|
||
|
|
# draw the initial plot in the window
|
||
|
|
fig = Figure()
|
||
|
|
ax = fig.add_subplot(111)
|
||
|
|
ax.set_xlabel("X axis")
|
||
|
|
ax.set_ylabel("Y axis")
|
||
|
|
ax.grid()
|
||
|
|
fig_agg = draw_figure(canvas, fig)
|
||
|
|
# make a bunch of random data points
|
||
|
|
dpts = [randint(0, 10) for x in range(NUM_DATAPOINTS)]
|
||
|
|
|
||
|
|
for i in range(len(dpts)):
|
||
|
|
event, values = window.Read(timeout=10)
|
||
|
|
if event in ('Exit', None):
|
||
|
|
exit(69)
|
||
|
|
slider_elem.Update(i) # slider shows "progress" through the data points
|
||
|
|
ax.cla() # clear the subplot
|
||
|
|
ax.grid() # draw the grid
|
||
|
|
data_points = int(values['-SLIDER-DATAPOINTS-']) # draw this many data points (on next line)
|
||
|
|
ax.plot(range(data_points), dpts[i:i+data_points], color='purple')
|
||
|
|
fig_agg.draw()
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|