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Merged
merged 2 commits into from
Jul 19, 2015
Merged

MEP12 on axis_equal_demo.py #4664

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a0665f7
pylab to plt and np
Jul 11, 2015
b328cbb
pep8
Jul 17, 2015
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43 changes: 22 additions & 21 deletions examples/pylab_examples/axis_equal_demo.py
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Original file line number Diff line number Diff line change
@@ -1,31 +1,32 @@
'''This example is only interesting when ran in interactive mode'''

from pylab import *
import matplotlib.pyplot as plt
import numpy as np

# Plot circle or radius 3

an = linspace(0, 2*pi, 100)
an = np.linspace(0, 2*np.pi, 100)

subplot(221)
plot(3*cos(an), 3*sin(an))
title('not equal, looks like ellipse', fontsize=10)
plt.subplot(221)
plt.plot(3*np.cos(an), 3*np.sin(an))
plt.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)
plt.subplot(222)
plt.plot(3*np.cos(an), 3*np.sin(an))
plt.axis('equal')
plt.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)
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)

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)
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)

show()
plt.show()