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pylab_examples example code: polar_scatter.pyΒΆ

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#!/usr/bin/env python
# a polar scatter plot; size increases radially in this example and
# color increases with angle (just to verify the symbols are being
# scattered correctly).  In a real example, this would be wasting
# dimensionality of the plot
from pylab import *

N = 150
r = 2*rand(N)
theta = 2*pi*rand(N)
area = 200*r**2*rand(N)
colors = theta
ax = subplot(111, polar=True)
c = scatter(theta, r, c=colors, s=area, cmap=cm.hsv)


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