.. _pyplots-whats_new_99_spines:

pyplots example code: whats_new_99_spines.py
============================================

[`source code <whats_new_99_spines.py>`_]

::

    import matplotlib.pyplot as plt
    import numpy as np
    
    
    def adjust_spines(ax,spines):
        for loc, spine in ax.spines.items():
            if loc in spines:
                spine.set_position(('outward',10)) # outward by 10 points
            else:
                spine.set_color('none') # don't draw spine
    
        # turn off ticks where there is no spine
        if 'left' in spines:
            ax.yaxis.set_ticks_position('left')
        else:
            # no yaxis ticks
            ax.yaxis.set_ticks([])
    
        if 'bottom' in spines:
            ax.xaxis.set_ticks_position('bottom')
        else:
            # no xaxis ticks
            ax.xaxis.set_ticks([])
    
    fig = plt.figure()
    
    x = np.linspace(0,2*np.pi,100)
    y = 2*np.sin(x)
    
    ax = fig.add_subplot(2,2,1)
    ax.plot(x,y)
    adjust_spines(ax,['left'])
    
    ax = fig.add_subplot(2,2,2)
    ax.plot(x,y)
    adjust_spines(ax,[])
    
    ax = fig.add_subplot(2,2,3)
    ax.plot(x,y)
    adjust_spines(ax,['left','bottom'])
    
    ax = fig.add_subplot(2,2,4)
    ax.plot(x,y)
    adjust_spines(ax,['bottom'])
    
    plt.show()
    

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