[XeTeX] Change Math font
Sven Siegmund
sven.siegmund at gmail.com
Sat Mar 15 13:00:42 CET 2008
Thanks a lot, Bruno,
that helped. I will be keep an eye on that changed math font. If it
will couse some trouble, I'll change it back.
S.
2008/3/15, Bruno Voisin <bvoisin at mac.com>:
> Le 15 mars 08 à 11:20, Sven Siegmund a écrit :
>
>
> > I would like to change the font used for maths. I thought this would
> > be done with the \setmathrm command. But It seems that \setmathrm has
> > no effect on my document.
>
>
> Yes. What \setmathrm does is changing the font used for explicit
> \mathrm comands, as in \mathrm{x}. It does not affect the fonts used
> implicitly in maths for operators (like "sin"), letters (like "x") and
> symbols (like \alpha).
>
> In standard LateX, these are defined in fontmath.ltx, one of the files
> read when building the LaTeX format. On your setup it should be at
> something like:
>
> D:\MiKTeX\tex\latex\base\fontmath.ltx
>
> If I'm not mistaken, the default [math] option (and its opposite [no-
> math]) of fontspec affects the font used for operators but not those
> used for letters.
>
> Specifically, to achieve what you want you must add to the preamble of
> your document:
>
> \SetSymbolFont{letters}{normal}{\encodingdefault}{\rmdefault}{m}{it}
> \SetSymbolFont{letters}{bold}{\encodingdefault}{\rmdefault}{b}{it}
>
> Beware though: by doing this, you're in for future trouble, since the
> fonts used for letters in maths are not exactly the same as those used
> for text: they are expected to have different characters at different
> places.
>
>
> > I can outquote it and it gets typeset the
> > same:
> >
> > ---------
> > \documentclass[a4paper,oneside]{article}
> >
> > \usepackage{xunicode} %handle unicode
> > \usepackage{xltxtra} %XeTeX extras
> > \usepackage{fontspec} %use OTF/TTF fonts
> > \usepackage[ngerman]{babel} %german hyphenation
> >
> > \setmainfont{Adobe Garamond Pro} %use this font
> > \setmathrm{Adobe Garamond Pro} %use this font for math
> >
> > \begin{document}
> >
> > $\sin{x}$
> >
> > sin {\textit x}
> >
> > $\sqrt{\sin{x}^2}$
> >
> > \end{document}
> > ---------
> >
> > The argument of \sin is not set in Adobe Garamond Pro and how can I
> > change that?
> > What causes the \setmathrm command?
> >
> > I tried to fiddle with the [no-math] option described for fontspec
> > package 1.14, but when I change the respective line in the preamble to
> > \usepackage[no-math]{fontspec}, I get this error when compiling
> > (MiKTeX, Windows XP):
>
>
> That's because xltxtra loads already the fontspec package, hence you
> can't reload afterwards the fontspec package with options different
> from those used when it was loaded the first time. Just invert the
> order in which the packages are loaded:
>
> \usepackage{xunicode} %handle unicode
>
>
> \usepackage{fontspec} %use OTF/TTF fonts
>
> \usepackage{xltxtra} %XeTeX extras
>
> Hope this helps,
>
>
> Bruno Voisin
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