.. _pylab_examples-simple_plot_fps:

pylab_examples example code: simple_plot_fps.py
===============================================

[`source code <simple_plot_fps.py>`_]

::

    #!/usr/bin/env python
    
    """
    Example: simple line plot.
    Show how to make and save a simple line plot with labels, title and grid
    """
    # -*- noplot -*-
    from __future__ import print_function
    from pylab import *
    
    ion()
    
    t = arange(0.0, 1.0+0.001, 0.001)
    s = cos(2*2*pi*t)
    plot(t, s, '-', lw=2)
    
    xlabel('time (s)')
    ylabel('voltage (mV)')
    title('About as simple as it gets, folks')
    grid(True)
    
    import time
    
    frames = 100.0
    t = time.time()
    c = time.clock()
    for i in range(int(frames)):
        part = i / frames
        axis([0.0, 1.0 - part, -1.0 + part, 1.0 - part])
    wallclock = time.time() - t
    user = time.clock() - c
    print ("wallclock:", wallclock)
    print ("user:", user)
    print ("fps:", frames / wallclock)
    

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