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Diffstat (limited to 'src/python/doc/installation.rst')
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diff --git a/src/python/doc/installation.rst b/src/python/doc/installation.rst index 525ca84e..78e1af73 100644 --- a/src/python/doc/installation.rst +++ b/src/python/doc/installation.rst @@ -323,6 +323,35 @@ The following examples require the `Matplotlib <http://matplotlib.org>`_: * :download:`euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py <../example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py>` * :download:`euclidean_witness_complex_diagram_persistence_from_off_file_example.py <../example/euclidean_witness_complex_diagram_persistence_from_off_file_example.py>` +LaTeX +~~~~~ + +If a sufficiently complete LaTeX toolchain is available (including dvipng and ghostscript), the LaTeX option of +matplotlib is enabled for prettier captions (cf. +`matplotlib text rendering with LaTeX <https://matplotlib.org/3.3.0/tutorials/text/usetex.html>`_). +It also requires `type1cm` LaTeX package (not detected by matplotlib). + +If you are facing issues with LaTeX rendering, like this one: + +.. code-block:: none + + Traceback (most recent call last): + File "/usr/lib/python3/dist-packages/matplotlib/texmanager.py", line 302, in _run_checked_subprocess + report = subprocess.check_output(command, + ... + ! LaTeX Error: File `type1cm.sty' not found. + ... + +This is because the LaTeX package is not installed on your system. On Ubuntu systems you can install texlive-full +(for all LaTeX packages), or more specific packages like texlive-latex-extra, cm-super. + +You can still deactivate LaTeX rendering by saying: + +.. code-block:: python + + import gudhi + gudhi.persistence_graphical_tools._gudhi_matplotlib_use_tex=False + PyKeOps ------- |