.. only:: html
.. note::
:class: sphx-glr-download-link-note
Click :ref:`here ` to download the full example code
.. rst-class:: sphx-glr-example-title
.. _sphx_glr_gallery_text_labels_and_annotations_mathtext_asarray.py:
===============================
A mathtext image as numpy array
===============================
Make images from LaTeX strings.
.. code-block:: default
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, 100, 100)
fig.figimage(rgba2, 100, 300)
plt.show()
.. image:: /gallery/text_labels_and_annotations/images/sphx_glr_mathtext_asarray_001.png
:class: sphx-glr-single-img
------------
References
""""""""""
The use of the following functions, methods, classes and modules is shown
in this example:
.. code-block:: default
import matplotlib
matplotlib.mathtext
matplotlib.mathtext.MathTextParser
matplotlib.mathtext.MathTextParser.to_png
matplotlib.mathtext.MathTextParser.to_rgba
matplotlib.figure.Figure.figimage
.. rst-class:: sphx-glr-script-out
Out:
.. code-block:: none
.. _sphx_glr_download_gallery_text_labels_and_annotations_mathtext_asarray.py:
.. only :: html
.. container:: sphx-glr-footer
:class: sphx-glr-footer-example
.. container:: sphx-glr-download sphx-glr-download-python
:download:`Download Python source code: mathtext_asarray.py `
.. container:: sphx-glr-download sphx-glr-download-jupyter
:download:`Download Jupyter notebook: mathtext_asarray.ipynb `
.. only:: html
.. rst-class:: sphx-glr-signature
Keywords: matplotlib code example, codex, python plot, pyplot
`Gallery generated by Sphinx-Gallery
`_