Poly3DCollection调透明度
时间: 2024-06-03 19:07:24 浏览: 195
Poly3DCollection是Matplotlib中的一个类,用于绘制3D多边形。要调整Poly3DCollection的透明度,可以使用set_alpha()方法,该方法接受一个参数,即透明度值,范围从0(完全透明)到1(完全不透明)。
示例代码:
```python
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d.art3d import Poly3DCollection
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
# 定义一个立方体
X = np.array([[0, 1, 1, 0], [0, 1, 1, 0], [0, 1, 1, 0], [0, 1, 1, 0]])
Y = np.array([[0, 0, 1, 1], [0, 0, 1, 1], [0, 0, 1, 1], [0, 0, 1, 1]])
Z = np.array([[0, 0, 0, 0], [1, 1, 1, 1], [1, 1, 1, 1], [0, 0, 0, 0]])
verts = [list(zip(x, y, z)) for x, y, z in zip(X, Y, Z)]
cube = Poly3DCollection(verts, alpha=0.5) # 设置透明度为0.5
cube.set_facecolor('g') # 设置面的颜色为绿色
ax.add_collection3d(cube)
ax.set_xlabel('X')
ax.set_ylabel('Y')
ax.set_zlabel('Z')
ax.set_xlim([0, 1])
ax.set_ylim([0, 1])
ax.set_zlim([0, 1])
plt.show()
```
运行结果:

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