"""
A simple example of an animated plot using a gtk backend
"""
from __future__ import print_function
import time
import numpy as np
import matplotlib
matplotlib.use('GTKAgg') # do this before importing pylab
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
def animate():
tstart = time.time() # for profiling
x = np.arange(0, 2*np.pi, 0.01) # x-array
line, = ax.plot(x, np.sin(x))
for i in np.arange(1,200):
line.set_ydata(np.sin(x+i/10.0)) # update the data
fig.canvas.draw() # redraw the canvas
print('FPS:' , 200/(time.time()-tstart))
raise SystemExit
import gobject
print('adding idle')
gobject.idle_add(animate)
print('showing')
plt.show()
Keywords: python, matplotlib, pylab, example, codex (see Search examples)