python绘制圆柱体

import os
import random

import numpy as np
import matplotlib.pyplot as plt
#合成管道数据集

def plot_cylinder(center, radius, height, num_points=100):
    # 生成圆柱体的侧面点坐标
    theta = np.linspace(0, 2*np.pi, num_points)
    intervalZ = np.floor(height/0.05)
    indx2 = [ix for ix in range(int(intervalZ))]
    random_int2 = random.sample(indx2, int(intervalZ - 10))
    xx = []
    yy = []
    zz = []
    print(random_int2)
    for j in random_int2:
        indx = [i for i in range(num_points)]
        random_int = random.sample(indx, 50)
        theta2 = theta[random_int]
        print(random_int)
        x = center[0] + radius * np.cos(theta2)
        y = center[1] + radius * np.sin(theta2)

        z = (center[2]+0.05*j)*np.ones_like(x)
        xx = np.hstack((xx, x))
        yy = np.hstack((yy, y))
        zz = np.hstack((zz, z))
        print(j)

    #np.linspace(center[2], center[2]+height, num_points)
    return xx,yy,zz


x,y,z=plot_cylinder((0, 0, 0), 1, 2)
print(x.shape,y.shape,z.shape)
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.scatter(x, y, z)
plt.show()