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"""
A simple example of an animated plot using a gtk backend
"""
import time
import numpy as np
import matplotlib
matplotlib.use('GTKAgg') # do this before importing pylab
import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
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()
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