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Update of ALL Matplotlib demos so they run on 3.1. Brought up to date too.

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PySimpleGUI 2019-09-19 13:32:25 -04:00
parent 6f02fb4a54
commit 3b24d8921e
5 changed files with 102 additions and 148 deletions
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77
DemoPrograms/Demo_Matplotlib_Animated.py
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@ -1,64 +1,55 @@
#!/usr/bin/env python
import sys
if sys.version_info[0] >= 3:
import PySimpleGUI as sg
else:
import PySimpleGUI27 as sg
import PySimpleGUI as sg
from random import randint
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, FigureCanvasAgg
from matplotlib.figure import Figure
import matplotlib.backends.tkagg as tkagg
import tkinter as tk
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():
fig = Figure()
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)]
# 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.Slider(range=(0, 10000), size=(60, 10), orientation='h', key='slider')],
[sg.ReadButton('Exit', size=(10, 2), 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(layout).Finalize()
canvas_elem = window.FindElement('canvas')
slider_elem = window.FindElement('slider')
graph = FigureCanvasTkAgg(fig, master=canvas_elem.TKCanvas)
canvas = canvas_elem.TKCanvas
dpts = [randint(0, 10) for x in range(10000)]
for i in range(len(dpts)):
event, values = window.Read(timeout=10)
if event in ('Exit', None):
exit(69)
slider_elem.Update(i)
ax.cla()
ax.grid()
DATA_POINTS_PER_SCREEN = 40
ax.plot(range(DATA_POINTS_PER_SCREEN), dpts[i:i+DATA_POINTS_PER_SCREEN], color='purple')
graph.draw()
figure_x, figure_y, figure_w, figure_h = fig.bbox.bounds
figure_w, figure_h = int(figure_w), int(figure_h)
photo = tk.PhotoImage(master=canvas, width=figure_w, height=figure_h)
canvas.create_image(640/2, 480/2, image=photo)
figure_canvas_agg = FigureCanvasAgg(fig)
figure_canvas_agg.draw()
# Unfortunately, there's no accessor for the pointer to the native renderer
tkagg.blit(photo, figure_canvas_agg.get_renderer()._renderer, colormode=2)
# time.sleep(.1)
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__':