[NTG-context] Bold Greek Math with Fourier Font
Michel Bovani
michel.bovani at numericable.fr
Tue Jul 12 16:43:07 CEST 2005
Le 12/07/2005 3:08, Randall Skelton a dit :
> Many thanks for pointing this out Michel. I must admit that this is
> proving to be much more complicated than I thought... Reading Hans'
> "ThisWay" document makes it appear that getting usable bold-faced math
> fonts is only a few lines of definitions... perhaps I should just look
> at buying the lucida collection.
As fourier provides bold fonts, no doubt that a context expert will be
able to set it correctly for boldmath...
But note that there are no bold version of symbols and extension fonts...
> For the moment, I've settled on a compromise of using:
>
> \definefontsynonym [Fourier-Math-Letters] [futr8t] [encoding=ec]
>
> and
>
> \definefontsynonym [Fourier-Math-Letters-Bold] [futmib] [encoding=ec]
>
> With this I can get bold greek symbols (both upper and lower case) but
> as you pointed out, operators will be italicized if one isn't careful.
> Sigh.
At my home it works with
\definefontsynonym [Fourier-Math-Letters-Bold] [futmb8t]
[encoding=ec]
>
>>Now (one of) the difference between fourier and computer modern is that
>>capital greek is in the "italic" font not in the operators font.
>>
>>This is handled in math-fou.tex:
>>
>>\definemathsymbol [Gamma] [alpha] [mi] ["00]
>>....
>
>
> In an earlier reply, you suggest that I define:
>
> \definefontsynonym [Fourier-Math-Letters-Bold] [futb8t] [encoding=ec]
>
> but doing so doesn't work as the capital greek symbols... I'm a little
> confused why the substitutions defined in math-fou.tex are not applied
> in this case?
They should be (so it is at my home!)
> I finally realized that when I remembered the existance of \showfont
> earlier today. This also helped me see where the \definemathsymbol
> statements in math-fou.tex come from.
>
>
>>If you want command definitions in math-fou.tex to be used even in
>>boldmath, you must change type-spe.tex by referencing the fou math
>>collection in boldmath too.
>
>
> I'm not sure I follow. My type-spe.tex contains:
>
> \starttypescript [math,boldmath] [fourier] [special]
> \usemathcollection[fou]
> \stoptypescript
?
I make private (in the working directory) modified version of type-syn,
type-spe, type-enc, and math-fou
type-spe : added "boldmath"
\starttypescript [math,boldmath] [fourier] [special]
\usemathcollection[fou]
\stoptypescript
type-syn : added
\starttypescript [boldmath] [fourier] [name]
\definefontsynonym [MathRoman] [Fourier-Math-Letters-Bold]
\definefontsynonym [MathGamma] [Fourier-Math-Other-Letters-Bold]
\definefontsynonym [MathItalic] [Fourier-Math-Letters-Italic-Bold]
\definefontsynonym [MathSymbol] [Fourier-Math-Symbols]
\definefontsynonym [MathExtension] [Fourier-Math-Extension]
\stoptypescript
and just a new line in
\starttypescript [math] [fourier] [name]
\definefontsynonym [MathRoman] [Fourier-Math-Letters]
\definefontsynonym [MathGamma] [Fourier-Math-Other-Letters]
\definefontsynonym [MathItalic] [Fourier-Math-Letters-Italic]
\definefontsynonym [MathSymbol] [Fourier-Math-Symbols]
\definefontsynonym [MathExtension] [Fourier-Math-Extension]
\stoptypescript
type-enc : added
\starttypescript [boldmath] [fourier] [default,ec]
\definefontsynonym [Fourier-Math-Letters-Bold] [futb8t] [encoding=ec]
\definefontsynonym [Fourier-Math-Other-Letters-Bold] [futmib]
\definefontsynonym [Fourier-Math-Letters-Italic-Bold] [futmiib]
\definefontsynonym [Fourier-Math-Symbols] [futsy]
\definefontsynonym [Fourier-Math-Extension] [fourier-mex]
\stoptypescript
and a new line in
\starttypescript [math] [fourier] [default,ec]
\definefontsynonym [Fourier-Math-Letters] [futr8t] [encoding=ec]
\definefontsynonym [Fourier-Math-Other-Letters] [futmi]
\definefontsynonym [Fourier-Math-Letters-Italic] [futmii]
\definefontsynonym [Fourier-Math-Symbols] [futsy]
\definefontsynonym [Fourier-Math-Extension] [fourier-mex]
\stoptypescript
The two new lines allow to have a choice beetween sloped and upright
greek in math-fou
For instance, if you want upright capital letters, just say [mc] instead
of [mi]:
\definemathsymbol [Gamma] [alpha] [mc] ["00]
\definemathsymbol [Delta] [alpha] [mc] ["01]
etc.
You can also define \alphaup, \betaup, etc.
Test sourcefile
\usetypescript [fourier] [\defaultencoding]
\setupbodyfont [fourier]
\definetypeface [foo] [mm] [boldmath] [fourier] [default]
\starttext
This is a silly test that is taking way too long!
\startformula
x = \Gamma + \Delta + \alpha + \delta + \zeta
\stopformula
\startformula[foo]
x = \Gamma + \Delta + \alpha + \delta + \zeta
\stopformula
\stoptext
Could you carefully test it at your home?
I attach the pdf.
--
Michel Bovani
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