matplotlib.github.com/mpl_examples/api/mathtext_asarray.py at master · phobson/matplotlib.github.com · GitHub

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"""

===============================

A mathtext image as numpy array

===============================

This example shows how to make images from LaTeX strings.

"""

import matplotlib.mathtext as mathtext

import matplotlib.pyplot as plt

import matplotlib

matplotlib.rc('image', origin='upper')

parser = mathtext.MathTextParser("Bitmap")

parser.to_png('test2.png',

r'$\left[\left\lfloor\frac{5}{\frac{\left(3\right)}{4}} '

r'y\right)\right]$', color='green', fontsize=14, dpi=100)

rgba1, depth1 = parser.to_rgba(

r'IQ: $\sigma_i=15$', color='blue', fontsize=20, dpi=200)

rgba2, depth2 = parser.to_rgba(

r'some other string', color='red', fontsize=20, dpi=200)

fig = plt.figure()

fig.figimage(rgba1.astype(float)/255., 100, 100)

fig.figimage(rgba2.astype(float)/255., 100, 300)

plt.show()

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