python-examples/chaoxi/Matplotlib_3D/Matplotlib_line.py at master · feiyu361/python-examples

31 lines (26 loc) · 887 Bytes

import numpy as np

import matplotlib.pyplot as plt

from mpl_toolkits.mplot3d import Axes3D

# 依次获取画布和绘图区并创建 Axes3D 对象

fig = plt.figure()

ax = fig.gca(projection='3d')

# 第一条3D线性图数据

theta = np.linspace(-4 * np.pi, 4 * np.pi, 100)

z1 = np.linspace(-2, 2, 100)

r = z1**2 + 1

x1 = r * np.sin(theta)

y1 = r * np.cos(theta)

# 第二条3D线性图数据

z2 = np.linspace(-3, 3, 100)

x2 = np.sin(z2)

y2 = np.cos(z2)

# 绘制3D线性图

ax.plot(x1, y1, z1, color='b', label='3D Line1')

ax.plot(x2, y2, z2, color='r', label='3D Line2')

# 设置标题、轴标签、图例，也可以直接使用 plt.title、plt.xlabel、plt.legend...

ax.set_title('3D Line View', pad=15, fontsize='10')

ax.set_xlabel('x ', color='r', fontsize='14')

ax.set_ylabel('y ', color='g', fontsize='14')

ax.set_zlabel('z ', color='b', fontsize='14')

ax.legend()

plt.show()

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