1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
"""
Make a compund path -- in this case two simple polygons, a rectangle
and a triangle. Use CLOSEOPOLY and MOVETO for the different parts of
the compound path
"""
import numpy as np
from matplotlib.path import Path
from matplotlib.patches import PathPatch
import matplotlib.pyplot as plt
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)]
vertices = np.array(vertices, float)
path = Path(vertices, codes)
pathpatch = PathPatch(path, facecolor='None', edgecolor='green')
fig = plt.figure()
ax = fig.add_subplot(111)
ax.add_patch(pathpatch)
ax.set_title('A compound path')
ax.dataLim.update_from_data_xy(vertices)
ax.autoscale_view()
plt.show()
|
