matplotlib.github.com/mpl_examples/api/patch_collection.py at master · jkseppan/matplotlib.github.com · GitHub

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"""

============================

Circles, Wedges and Polygons

============================

"""

import numpy as np

import matplotlib

from matplotlib.patches import Circle, Wedge, Polygon

from matplotlib.collections import PatchCollection

import matplotlib.pyplot as plt

fig, ax = plt.subplots()

resolution = 50 # the number of vertices

N = 3

x = np.random.rand(N)

y = np.random.rand(N)

radii = 0.1*np.random.rand(N)

patches = []

for x1, y1, r in zip(x, y, radii):

circle = Circle((x1, y1), r)

patches.append(circle)

x = np.random.rand(N)

y = np.random.rand(N)

radii = 0.1*np.random.rand(N)

theta1 = 360.0*np.random.rand(N)

theta2 = 360.0*np.random.rand(N)

for x1, y1, r, t1, t2 in zip(x, y, radii, theta1, theta2):

wedge = Wedge((x1, y1), r, t1, t2)

patches.append(wedge)

# Some limiting conditions on Wedge

patches += [

Wedge((.3, .7), .1, 0, 360), # Full circle

Wedge((.7, .8), .2, 0, 360, width=0.05), # Full ring

Wedge((.8, .3), .2, 0, 45), # Full sector

Wedge((.8, .3), .2, 45, 90, width=0.10), # Ring sector

]

for i in range(N):

polygon = Polygon(np.random.rand(N, 2), True)

patches.append(polygon)

colors = 100*np.random.rand(len(patches))

p = PatchCollection(patches, alpha=0.4)

p.set_array(np.array(colors))

ax.add_collection(p)

fig.colorbar(p, ax=ax)

plt.show()

matplotlib.github.com/mpl_examples/api/patch_collection.py at master · jkseppan/matplotlib.github.com · GitHub

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