.. _pylab_examples-log_bar:

pylab_examples example code: log_bar.py
=======================================



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

::

    import matplotlib.pyplot as plt
    import numpy as np
    
    data = ((3, 1000), (10, 3), (100, 30), (500, 800), (50, 1))
    
    plt.xlabel("FOO")
    plt.ylabel("FOO")
    plt.title("Testing")
    plt.yscale('log')
    
    dim = len(data[0])
    w = 0.75
    dimw = w / dim
    
    x = np.arange(len(data))
    for i in range(len(data[0])):
        y = [d[i] for d in data]
        b = plt.bar(x + i * dimw, y, dimw, bottom=0.001)
    
    plt.xticks(x + dimw / 2, map(str, x))
    
    plt.show()
    

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