.. _pylab_examples-axis_equal_demo: pylab_examples example code: axis_equal_demo.py =============================================== .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/axis_equal_demo.py :: '''This example is only interesting when ran in interactive mode''' import matplotlib.pyplot as plt import numpy as np # Plot circle or radius 3 an = np.linspace(0, 2*np.pi, 100) plt.subplot(221) plt.plot(3*np.cos(an), 3*np.sin(an)) plt.title('not equal, looks like ellipse', fontsize=10) plt.subplot(222) plt.plot(3*np.cos(an), 3*np.sin(an)) plt.axis('equal') plt.title('equal, looks like circle', fontsize=10) plt.subplot(223) plt.plot(3*np.cos(an), 3*np.sin(an)) plt.axis('equal') plt.axis([-3, 3, -3, 3]) plt.title('looks like circle, even after changing limits', fontsize=10) plt.subplot(224) plt.plot(3*np.cos(an), 3*np.sin(an)) plt.axis('equal') plt.axis([-3, 3, -3, 3]) plt.plot([0, 4], [0, 4]) plt.title('still equal after adding line', fontsize=10) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)