uniform.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed May 20 19:20:28 2020

@author: sumesh
"""

# This import registers the 3D projection, but is otherwise unused.
from mpl_toolkits.mplot3d import Axes3D  # noqa: F401 unused import

import matplotlib.pyplot as plt
import numpy as np

# Fixing random state for reproducibility
np.random.seed(19680801)


def randrange(n, vmin, vmax):
    '''
    Helper function to make an array of random numbers having shape (n, )
    with each number distributed Uniform(vmin, vmax).
    '''
    return (vmax - vmin)*np.random.rand(n) + vmin

fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')

n = 100

# For each set of style and range settings, plot n random points in the box
# defined by x in [23, 32], y in [0, 100], z in [zlow, zhigh].
for zlow, zhigh in [ (-50, -25)]:
    xs = randrange(n, 0, 10)
    ys = randrange(n, 0, 10)
    zs = randrange(n, 0, 10)
    ax.scatter(xs, ys, zs, marker='.')

ax.set_xlabel('X Label')
ax.set_ylabel('Y Label')
ax.set_zlabel('Z Label')

plt.show()