.. _widgets-radio_buttons:

widgets example code: radio_buttons.py
======================================

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

::

    from matplotlib.widgets import RadioButtons
    from pylab import *
    t = arange(0.0, 2.0, 0.01)
    s0 = sin(2*pi*t)
    s1 = sin(4*pi*t)
    s2 = sin(8*pi*t)
    
    ax = subplot(111)
    l, = ax.plot(t, s0, lw=2, color='red')
    subplots_adjust(left=0.3)
    
    axcolor = 'lightgoldenrodyellow'
    rax = axes([0.05, 0.7, 0.15, 0.15], axisbg=axcolor)
    radio = RadioButtons(rax, ('2 Hz', '4 Hz', '8 Hz'))
    def hzfunc(label):
        hzdict = {'2 Hz':s0, '4 Hz':s1, '8 Hz':s2}
        ydata = hzdict[label]
        l.set_ydata(ydata)
        draw()
    radio.on_clicked(hzfunc)
    
    rax = axes([0.05, 0.4, 0.15, 0.15], axisbg=axcolor)
    radio2 = RadioButtons(rax, ('red', 'blue', 'green'))
    def colorfunc(label):
        l.set_color(label)
        draw()
    radio2.on_clicked(colorfunc)
    
    rax = axes([0.05, 0.1, 0.15, 0.15], axisbg=axcolor)
    radio3 = RadioButtons(rax, ('-', '--', '-.', 'steps', ':'))
    def stylefunc(label):
        l.set_linestyle(label)
        draw()
    radio3.on_clicked(stylefunc)
    
    show()
    

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