.. _pylab_examples-axis_equal_demo:

pylab_examples example code: axis_equal_demo.py
===============================================



.. plot:: /home/travis/build/jenshnielsen/matplotlib/doc/mpl_examples/pylab_examples/axis_equal_demo.py

::

    '''This example is only interesting when ran in interactive mode'''
    
    from pylab import *
    
    # Plot circle or radius 3
    
    an = linspace(0, 2*pi, 100)
    
    subplot(221)
    plot(3*cos(an), 3*sin(an))
    title('not equal, looks like ellipse', fontsize=10)
    
    subplot(222)
    plot(3*cos(an), 3*sin(an))
    axis('equal')
    title('equal, looks like circle', fontsize=10)
    
    subplot(223)
    plot(3*cos(an), 3*sin(an))
    axis('equal')
    axis([-3, 3, -3, 3])
    title('looks like circle, even after changing limits', fontsize=10)
    
    subplot(224)
    plot(3*cos(an), 3*sin(an))
    axis('equal')
    axis([-3, 3, -3, 3])
    plot([0, 4], [0, 4])
    title('still equal after adding line', fontsize=10)
    
    show()
    

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