Skip to content

Instantly share code, notes, and snippets.

@serser
Last active November 22, 2017 09:23
Show Gist options
  • Save serser/0f896900559f2873c1e946b34b8a07c3 to your computer and use it in GitHub Desktop.
Save serser/0f896900559f2873c1e946b34b8a07c3 to your computer and use it in GitHub Desktop.
using matplotlib to continously show a series of images without closing current window
# press any key like ESC to exit
import matplotlib.pyplot as plt
import matplotlib.patches as patches
import scipy.misc
import glob
import os
import sys
IMAGE_ROOT = "/path/to/images"
looping = True
# use any key like ESC etcetera to escape the loop
def press(event):
global looping
print 'pressed', event.key
looping = False
sys.exit('Exiting the program')
fig, ax = plt.subplots(1)
# register callback when key presses
fig.canvas.mpl_connect('key_press_event', press)
plt.ion()
for fname in glob.glob(IMAGE_ROOT+'/*'):
img = scipy.misc.imread(os.path.join(IMAGE_ROOT, fname))
plt.imshow(img)
if not looping:
break
# setting non-blocking mode
plt.show(block=False)
# pause for 0.5 sec per image
plt.pause(0.5)
ax.cla()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment