[XeTeX] Size of math font

[S. Ekin Kocabas]

I once did this for the charter fonts, which I thought fit the Adobe Caslon
Pro quite nicely. I guess for the pazo fonts the following files would need
to be modified (I use MikTeX under XP) (back them up first, in case
something goes wrong).

/Program Files/MiKTeX 2.7/tex/latex/psnfss/ot1zplm.fd
/Program Files/MiKTeX 2.7/tex/latex/psnfss/omlzplm.fd
/Program Files/MiKTeX 2.7/tex/latex/psnfss/omszplm.fd
/Program Files/MiKTeX 2.7/tex/latex/psnfss/omxzplm.fd

Each of these files have lines that look like

\DeclareFontShape{OT1}{zplm}{m}{n}{
   <-> zplmr7t
}{}

You would want to modify those commands (\DeclareFontShape) (and only those
I think) such that they look like the following

\DeclareFontShape{OT1}{zplm}{m}{n}{
   <-> *s * [0.90]* zplmr7t
}{}

Here, the red, bold part scales the font by 90%.

Modify the scaling number until it fits nicely with Garamond.

After each modification, you may need to rebuild your font database as well.
I can't remember whether I did that or not.

There is possibly a more elegant way of doing this, but I don't know how.
Note that, if you ever modify/upgrade your tex installation, you may need to
do this again, therefore it's good to note down the changes you make to each
file.

I hope this helps.

Ekin


On Mon, Feb 9, 2009 at 1:45 PM, Nicolas Vaughan <nivaca at gmail.com> wrote:

> Hi,
> I know there's been a lot of discussion here on XeLaTeX and math fonts, but
> I found nothing on correct font size.
> If I use something like the following,
>
> \usepackage{mathpazo}
> \usepackage{fontspec,xltxtra,xunicode}
> \setromanfont[Mapping=tex-text}{Adobe Garamond Pro}
>
> and I use inline math formulae (e.g., "the variables $a$, $b$ and $c$",
> etc.), the size of these formulae differs significantly from the main roman
> font's size.
>
> Is there a way of tweaking the math font size?
>
> Cheers!
>
> Nicolas Vaughan
>
>
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