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"""
=============
Compound path
=============
Make a compound path -- in this case two simple polygons, a rectangle
and a triangle. Use ``CLOSEPOLY`` and ``MOVETO`` for the different parts of
the compound path
"""
import matplotlib.pyplot as plt
from matplotlib.patches import PathPatch
from matplotlib.path import Path
vertices = []
codes = []
codes = [Path.MOVETO] + [Path.LINETO]*3 + [Path.CLOSEPOLY]
vertices = [(1, 1), (1, 2), (2, 2), (2, 1), (0, 0)]
codes += [Path.MOVETO] + [Path.LINETO]*2 + [Path.CLOSEPOLY]
vertices += [(4, 4), (5, 5), (5, 4), (0, 0)]
path = Path(vertices, codes)
pathpatch = PathPatch(path, facecolor='none', edgecolor='green')
fig, ax = plt.subplots()
ax.add_patch(pathpatch)
ax.set_title('A compound path')
ax.autoscale_view()
plt.show()
# %%
#
# .. admonition:: References
#
# The use of the following functions, methods, classes and modules is shown
# in this example:
#
# - `matplotlib.path`
# - `matplotlib.path.Path`
# - `matplotlib.patches`
# - `matplotlib.patches.PathPatch`
# - `matplotlib.axes.Axes.add_patch`
# - `matplotlib.axes.Axes.autoscale_view`
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