37 lines
811 B
Python
37 lines
811 B
Python
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import numpy as np
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import matplotlib.path as mpath
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import matplotlib.patches as mpatches
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import matplotlib.pyplot as plt
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Path = mpath.Path
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fig = plt.figure()
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ax = fig.add_subplot(111)
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pathdata = [
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(Path.MOVETO, (1.58, -2.57)),
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(Path.CURVE4, (0.35, -1.1)),
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(Path.CURVE4, (-1.75, 2.0)),
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(Path.CURVE4, (0.375, 2.0)),
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(Path.LINETO, (0.85, 1.15)),
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(Path.CURVE4, (2.2, 3.2)),
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(Path.CURVE4, (3, 0.05)),
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(Path.CURVE4, (2.0, -0.5)),
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(Path.CLOSEPOLY, (1.58, -2.57)),
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]
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codes, verts = zip(*pathdata)
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path = mpath.Path(verts, codes)
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patch = mpatches.PathPatch(path, facecolor='red', edgecolor='yellow', alpha=0.5)
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ax.add_patch(patch)
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x, y = zip(*path.vertices)
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line, = ax.plot(x, y, 'go-')
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ax.grid()
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ax.set_xlim(-3,4)
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ax.set_ylim(-3,4)
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ax.set_title('spline paths')
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plt.show()
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