elaborate_text.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Nov  5 20:22:46 2019

Elaborate text printing with matplotlib

@author: alberto
"""

import numpy as np
import matplotlib.pyplot as plt

eqs = []
eqs.append((r"$W^{3\beta}_{\delta_1 \rho_1 \sigma_2} = U^{3\beta}_{\delta_1 \rho_1} + \frac{1}{8 \pi 2} \int^{\alpha_2}_{\alpha_2} d \alpha^\prime_2 \left[\frac{ U^{2\beta}_{\delta_1\rho_1} - \alpha^\prime_2U^{1\beta}_{\rho_1 \sigma_2} }{U^{0\beta}_{\rho_1 \sigma_2}}\right]$"))
eqs.append((r"$\frac{d\rho}{d t} + \rho \vec{v}\cdot\nabla\vec{v} = -\nabla p + \mu\nabla^2\vec{v} + \rho \vec{g}$"))
eqs.append((r"$\int_{-\infty}^\infty e^{-x^2}dx=\sqrt{\pi}$")) 
eqs.append((r"$E = mc^2 = \sqrt{{m_0}^2c^4 + p^2c^2}$")) 
eqs.append((r"$F_G = G\frac{m_1m_2}{r^2}$"))



plt.axes([0.025, 0.025, 0.95, 0.95])
for i in range(24):
    index = np.random.randint(0, len(eqs))
    eq = eqs[index]
    size = np.random.uniform(12, 32)
    x, y = np.random.uniform(0, 1, 2)
    alpha = np.random.uniform(0.25, 0.75)
    plt.text(x, y, eq, ha='center', va='center', color='#11557c', 
             alpha=alpha, transform=plt.gca().transAxes,
             fontsize=size, clip_on=True)

plt.xticks(()), plt.yticks(())

# Save figure using 72 dots per inch
plt.savefig('elaborate_text.png', dpi=72)

plt.show()