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import matplotlib.pyplot as plt
import numpy as np
from matplotlib.collections import EllipseCollection
x = np.arange(10)
y = np.arange(15)
X, Y = np.meshgrid(x, y)
XY = np.hstack((X.ravel()[:,np.newaxis], Y.ravel()[:,np.newaxis]))
ww = X/10.0
hh = Y/15.0
aa = X*9
ax = plt.subplot(1,1,1)
ec = EllipseCollection(
ww,
hh,
aa,
units='x',
offsets=XY,
transOffset=ax.transData)
ec.set_array((X+Y).ravel())
ax.add_collection(ec)
ax.autoscale_view()
ax.set_xlabel('X')
ax.set_ylabel('y')
cbar = plt.colorbar(ec)
cbar.set_label('X+Y')
plt.show()
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