.. _pylab_examples-scatter_profile:

pylab_examples example code: scatter_profile.py
===============================================



.. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/scatter_profile.py

::

    """
    N       Classic     Base renderer    Ext renderer
    20       0.22           0.14            0.14
    100      0.16           0.14            0.13
    1000     0.45           0.26            0.17
    10000    3.30           1.31            0.53
    50000    19.30          6.53            1.98
    """
    from __future__ import print_function  # only needed for python 2.x
    import matplotlib.pyplot as plt
    import numpy as np
    
    import time
    
    for N in (20, 100, 1000, 10000, 50000):
        tstart = time.time()
        x = 0.9*np.random.rand(N)
        y = 0.9*np.random.rand(N)
        s = 20*np.random.rand(N)
        plt.scatter(x, y, s)
        print('%d symbols in %1.2f s' % (N, time.time() - tstart))
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)