【效果图】
【源代码】
1 import matplotlib.pyplot as plt
2 import matplotlib.tri as tri
3 import numpy as np
4 import math
5
6
7 n_angles = 12
8 n_radii = 5
9 min_radius = 0.0
10 radii = np.linspace(min_radius, 5.0
, n_radii)
11
12 angles = np.linspace(0, 2*math.pi, n_angles, endpoint=
False)
13
14 temp =
[]
15 for i
in range(12
):
16 temp.append(angles[i])
17 temp.append(angles[0])
18 angles =
np.array(temp)
19
20 angles = np.repeat(angles[..., np.newaxis], n_radii, axis=1
)
21 #angles[:, 1::2] += math.pi/n_angles
22
23 x = (radii*np.cos(angles))
#.flatten()
24 y = (radii*np.sin(angles))
#.flatten()
25
26 x1 =
x.flatten()
27 y1 =
y.flatten()
28
29
30 plt.figure()
31
32 # 点
33 plt.scatter(x, y)
34 # 环线
35 plt.plot(x, y,
'b')
36 # 直线
37 plt.plot(x1,y1)
38 # 三角线
39 for i
in range(4
):
40 print(i,i+4,i+8
)
41 print(x.shape,y.shape)
42 tempx =
[]
43 tempx.append(x[i][4
])
44 tempx.append(x[i+4][4
])
45 tempx.append(x[i+8][4
])
46 tempx.append(x[i][4
])
47 tempy =
[]
48 tempy.append(y[i][4
])
49 tempy.append(y[i+4][4
])
50 tempy.append(y[i+8][4
])
51 tempy.append(y[i][4
])
52 x2 =
np.array(tempx)
53 y2 =
np.array(tempy)
54 print(x2.shape,y2.shape)
55 plt.plot(x2,y2,
'--',lw=0.5
)
56
57 plt.title(
'八卦图',fontproperties=
"SimHei")
58
59 plt.show()
转载于:https://www.cnblogs.com/hhh5460/p/4324964.html
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