1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
# Simple example of using general timer objects. This is used to update
# the time placed in the title of the figure.
import matplotlib.pyplot as plt
import numpy as np
from datetime import datetime
def update_title(axes):
axes.set_title(datetime.now())
axes.figure.canvas.draw()
fig = plt.figure()
ax = fig.add_subplot(1, 1, 1)
x = np.linspace(-3, 3)
ax.plot(x, x*x)
# Create a new timer object. Set the interval 500 milliseconds (1000 is default)
# and tell the timer what function should be called.
timer = fig.canvas.new_timer(interval=100)
timer.add_callback(update_title, ax)
timer.start()
#Or could start the timer on first figure draw
#def start_timer(evt):
# timer.start()
# fig.canvas.mpl_disconnect(drawid)
#drawid = fig.canvas.mpl_connect('draw_event', start_timer)
plt.show()
|
