[IPython-dev] Sans-serif fonts in LaTeX labels for Jupyter widgets?
Johann Rohwer
jr at sun.ac.za
Wed Feb 15 01:47:30 EST 2017
Thanks for your reply. Pardon my ignorance, I am not entirely familiar with
Jupyter internals. At which point is the MathJax configuration set, and how
to override this without changing system defaults, i.e. user-specific?
The wiki by Davide reads:
For example, you could tell the HTML-CSS output jax to use the MathJax
sans-serif font, when possible, in place of its seriffed font. The following
accomplishes that:
<script type="text/x-mathjax-config"> MathJax.Hub.Config({ "HTML-CSS":
{availableFonts: ["TeX"]}, MMLorHTML: {prefer: "HTML"} });
MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () { var
VARIANT = MathJax.OutputJax["HTML-CSS"].FONTDATA.VARIANT;
VARIANT["normal"].fonts.unshift("MathJax_SansSerif");
VARIANT["bold"].fonts.unshift("MathJax_SansSerif-bold");
VARIANT["italic"].fonts.unshift("MathJax_SansSerif-italic");
VARIANT["-tex-mathit"].fonts.unshift("MathJax_SansSerif-italic"); });
MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () { var VARIANT =
MathJax.OutputJax.SVG.FONTDATA.VARIANT;
VARIANT["normal"].fonts.unshift("MathJax_SansSerif");
VARIANT["bold"].fonts.unshift("MathJax_SansSerif-bold");
VARIANT["italic"].fonts.unshift("MathJax_SansSerif-italic");
VARIANT["-tex-mathit"].fonts.unshift("MathJax_SansSerif-italic"); }); </script>
placed before the script that loads |MathJax.js| would tell the HTML-CSS
(and the SVG) output jax to use the appropriate sans-serif fonts as the
first choices for the normal, bold, and italic mathvariants, effectively
making variables be italic sans-serif and numbers being upright sans-serif.
So what is the script that loads MathJax.js for the jupyter notebook? I
could only find a reference to that in a template file,
python2.7/dist-packages/notebook/templates/noteboook.html
I tried pasting the above code into
~/.ipython/profile_default/static/custom/custom.js but it has no effect. So
at what point (and where) is MathJax loaded in the jupyter notebook startup,
and how to change the defaults?
Thanks,
Johann
On 14/02/17 19:58, Jason Grout wrote:
> Good question. In theory, since we use MathJax for the rendering, this
> would be possible on a local notebook server by modifying the MathJax
> config in a custom.js file (see
> http://docs.mathjax.org/en/latest/options/HTML-CSS.html?highlight=stix and
> http://docs.mathjax.org/en/latest/font-support.html). You could set the
> preferredFont to null, and use one of the web fonts, for example.
>
> It looks like Davide (author of MathJax) has talked about using sans serif
> fonts before:
> https://github.com/mathjax/mathjax-docs/wiki/Can-MathJax-use-font-xxxx%3F.
> He might have an updated answer if you ask on the MathJax mailing list.
>
> Thanks,
>
> Jason
>
>
> On Tue, Feb 14, 2017 at 9:00 AM Johann Rohwer <jr at sun.ac.za
> <mailto:jr at sun.ac.za>> wrote:
>
> The documentation on layout and styling of Jupyter widgets mentions that
> Label widget can also render LaTeX equations:
> http://ipywidgets.readthedocs.io/en/latest/examples/Widget%20Styling.html#Latex
>
> On my machine, these equations render in a serif font by default. Is it
> possible to change the default font set to use sans-serif fonts,
> similar to
> matplotlib's?
> matplotlib.rcPararams['mathtext.fontset'] = 'stixsans'
>
> Cheers,
> Johann
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--
Johann M. Rohwer
Professor of Systems Biology, and
Chairperson: Dept. of Biochemistry
Stellenbosch University
Private Bag X1, 7602 Matieland
SOUTH AFRICA
Tel +27-21-8085843 Fax +27-21-8085863
jr at sun.ac.za http://www.jjj.sun.ac.za
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