python 绘制3D散点图

绘制3D散点图

""" 绘制三维散点图 """ import numpy as np import matplotlib.pyplot as mp from mpl_toolkits.mplot3d import axes3d # 1.生成数据 n = 200 x = np.random.normal(0, 1, n) y = np.random.normal(0, 1, n) z = np.random.normal(0, 1, n) d = np.sqrt(x ** 2 + y ** 2 + z ** 2) # 距离 # 2.绘制图片 mp.figure("3D Scatter", facecolor="lightgray") ax3d = mp.gca(projection="3d") # 创建三维坐标 mp.title('3D Scatter', fontsize=20) ax3d.set_xlabel('x', fontsize=14) ax3d.set_ylabel('y', fontsize=14) ax3d.set_zlabel('z', fontsize=14) mp.tick_params(labelsize=10) ax3d.scatter(x, y, z, s=20, c=d, cmap="jet", marker="o") mp.show()