.. _pylab_examples-gradient_bar:

pylab_examples example code: gradient_bar.py
============================================



.. plot:: /home/mandrake/rpm/BUILD/matplotlib-1.1.1/doc/mpl_examples/pylab_examples/gradient_bar.py

::

    from matplotlib.pyplot import figure, show, cm
    from numpy import arange
    from numpy.random import rand
    
    def gbar(ax, x, y, width=0.5, bottom=0):
       X = [[.6, .6],[.7,.7]]
       for left,top in zip(x, y):
           right = left+width
           ax.imshow(X, interpolation='bicubic', cmap=cm.Blues,
                     extent=(left, right, bottom, top), alpha=1)
    
    fig = figure()
    
    xmin, xmax = xlim = 0,10
    ymin, ymax = ylim = 0,1
    ax = fig.add_subplot(111, xlim=xlim, ylim=ylim,
                        autoscale_on=False)
    X = [[.6, .6],[.7,.7]]
    
    ax.imshow(X, interpolation='bicubic', cmap=cm.copper,
             extent=(xmin, xmax, ymin, ymax), alpha=1)
    
    N = 10
    x = arange(N)+0.25
    y = rand(N)
    gbar(ax, x, y, width=0.7)
    ax.set_aspect('normal')
    show()
    

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