:orphan: anim ---- Compare line drawing performance of Matplotlib vs. GR .. code-block:: python from numpy import arange, sin, pi from timeit import default_timer as timer from time import sleep import os os.environ["GKS_WSTYPE"] = "gksqt" num_frames = 200 x = arange(0, 2 * pi, 0.01) # create an animation using GR from gr.pygr import plot tstart = timer() for i in range(num_frames): plot(x, sin(x + i / 10.0)) sleep(0.0001) fps_gr = int(num_frames / (timer() - tstart)) print('fps (GR): %4d' % fps_gr) # create the same animation using matplotlib from matplotlib.pyplot import plot, draw, pause tstart = timer() line, = plot(x, sin(x)) for i in range(num_frames): line.set_ydata(sin(x + i / 10.0)) line.axes.figure.canvas.draw() draw() pause(0.0001) fps_mpl = int(num_frames / (timer() - tstart)) print('fps (mpl): %4d' % fps_mpl) print(' speedup: %6.1f' % (float(fps_gr) / fps_mpl))