import numpy as np

import matplotlib.path as mpath

import matplotlib.patches as mpatches

import matplotlib.pyplot as plt

Path = mpath.Path

fig = plt.figure()

ax = fig.add_subplot(111)

pathdata = [

(Path.MOVETO, (1.58, -2.57)),

(Path.CURVE4, (0.35, -1.1)),

(Path.CURVE4, (-1.75, 2.0)),

(Path.CURVE4, (0.375, 2.0)),

(Path.LINETO, (0.85, 1.15)),

(Path.CURVE4, (2.2, 3.2)),

(Path.CURVE4, (3, 0.05)),

(Path.CURVE4, (2.0, -0.5)),

(Path.CLOSEPOLY, (1.58, -2.57)),

]

codes, verts = zip(*pathdata)

path = mpath.Path(verts, codes)

patch = mpatches.PathPatch(path, facecolor='red', edgecolor='yellow', alpha=0.5)

ax.add_patch(patch)

x, y = zip(*path.vertices)

line, = ax.plot(x, y, 'go-')

ax.grid()

ax.set_xlim(-3,4)

ax.set_ylim(-3,4)

ax.set_title('spline paths')

plt.show()