On Sun, Apr 27, 2014 at 4:58 PM, Wolfgang Schuster
<schuster.wolfgang@gmail.com> wrote:
>
> Am 25.04.2014 um 21:56 schrieb Mikael P. Sundqvist <mickep@gmail.com>:
>
>> Hi!
>>
>> 1) If i write
>> %%%
>> \definefontfamily [luface] [rm] [Adobe Garamond Pro][opticalsize=yes]
>> \definefontfamily [luface] [ss] [FrutigerLTstd][opticalsize=yes]
>> \definefallbackfamily [luface] [math] [Adobe Garamond Pro]
>> [math:uppercasenormal]
>> \definefallbackfamily [luface] [math] [Adobe Garamond Pro]
>> [math:uppercaseitalic]
>> \definefallbackfamily [luface] [math] [Adobe Garamond Pro]
>> [math:lowercasenormal]
>> \definefallbackfamily [luface] [math] [Adobe Garamond Pro]
>> [math:lowercaseitalic]
>> \definefallbackfamily [luface] [math] [Adobe Garamond Pro] [math:digitsnormal]
>> \definefontfamily [luface] [math] [Tex Gyre Pagella Math]
>> \definebodyfontenvironment[18pt]
>> \setupbodyfont[luface,18pt]
>> %%%
>>
>> it works well. What if I want to change TeX Gyre Pagella Math to
>> Iwona? It turns out I cannot just change it to "Iwona", "iwona",
>> "Iwona Math", ... Other fonts seem to work, but Iwona no?
>
> When you set a math font the command looks first if there exists
> a font with the requested font and when this isn’t the case it tries
> to load a typescript with the given name.
>
> The problem with Iwona is that there is a font with this name
> in TeXLive or the context suite and \definefontfamily therefore
> tries to load the font. Even though this isn’t enough because
> you need a font in the opentype math format to use it as math
> font and this isn’t the case for Iwona.
>
> What you can do is to use the \definetypeface command to load
> the iwona math font:
>
>     \definetypeface [luface] [mm] [math] [iwona] [default]
>
>> 2) Say that I change the third last line above into
>>
>> \definefontfamily [luface] [math] [Tex Gyre Pagella Math][scale=0.8]
>>
>> to make the fonts fit better in size. Then the Adobe Garamond Pro in
>> math mode also scales with the factor 0.8, which looks bad. Is there a
>> way to scale only the TeX Gyre Pagella Math? Adding scale=1 to the
>> \definefallbackfamily commands does not seem to change anything.
>
>
> You have to use a value larger than 1 because size is relative to the size of the math font.
>
>   \definefallbackfamily [luface] [math] [Adobe Garamond Pro] [preset=math:lowercasenormal,scale=1.25]
>
> Wolfgang
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>
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> ___________________________________________________________________________________

Thank you very much for your answer, Wolfgang. I can't get it to work
with iwona being substituted.

With the example file below all math is in iwona (see the attached
file). What am I doing wrong?

Best regards, Mikael

PS: I know I first asked to have Garamond instead of iwona, but this
was out of laziness. I'd rather try the look of FrutigerLTstd and
iwona. If someone has a suggestion of a math font that could fit to
Frutiger, I am all ears (this is a font used by the university).

%%% Example file
\definefontfamily [lundfaces] [rm] [Adobe Garamond Pro][opticalsize=yes]
\definefontfamily [lundfaces] [ss] [FrutigerLTstd][opticalsize=yes]

\definefallbackfamily [lundfaces] [math] [FrutigerLTstd] [math:uppercasenormal]
\definefallbackfamily [lundfaces] [math] [FrutigerLTstd] [math:uppercaseitalic]
\definefallbackfamily [lundfaces] [math] [FrutigerLTstd]
[preset=math:lowercasenormal,scale=1.25]
\definefallbackfamily [lundfaces] [math] [FrutigerLTstd] [math:lowercaseitalic]
\definefallbackfamily [lundfaces] [math] [FrutigerLTstd] [math:digitsnormal]
\definetypeface [lundfaces] [mm] [math] [iwona] [default]

\setupbodyfont[lundfaces,ss]

\starttext
Hello {\em abc} $abc$ $\alpha\beta\gamma$
\startformula
\int_a^b  f(x)\, dx
\stopformula
\stoptext
%%% Stop example file