From: Aditya Mahajan <adityam@umich.edu>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: math problems in last beta (cont-en and cont-xp)
Date: Mon, 23 Mar 2009 10:41:23 -0400 (EDT) [thread overview]
Message-ID: <alpine.LNX.2.00.0903231033560.11835@ybpnyubfg.ybpnyqbznva> (raw)
In-Reply-To: <a09128560903230251h479ef5f3g891cc352c43ebe5@mail.gmail.com>
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On Mon, 23 Mar 2009, Lutz Haseloff wrote:
> Hi Hans, hi Taco, hi all,
>
> testing math with the latest ConTeXt beta i found some problems.
> My test file is:
>
> \usetypescriptfile[type-buy]
> \def\currentfontname
> {\ctxlua{tex.print(font.getfont(font.current()).fullname)}}
> \starttext
> \startbuffer[mathbuffer]
> \currentfontname
>
> $a^2 + b^2 = c^2$
>
> $E = mc^2 \bigotimes \sum$
>
> $α^2 + β^2 = γ^2$
> \blank[big]
> \stopbuffer
> \getbuffer[mathbuffer]
> \usetypescript[lucida][texnansi]
> \setupbodyfont[lucida]
> \getbuffer[mathbuffer]
> \usetypescript[cambria]
> \switchtotypeface[cambria]
> \getbuffer[mathbuffer]
> \usetypescript[palatino]
> \switchtotypeface[palatino]
> \getbuffer[mathbuffer]
> \stoptext
For using old type-1 math fonts, you need to create virtual fonts.
> Latin Modern and Palatino/px work very fine.
For LM, Palatino, and Times, the virtual fonts are created in math-vfu.lua
> Lucida lacks greek and some operators. I found no embedded LucidaNewMath
> fonts
> in the resulting pdf.
There are no virtual fonts for Lucida math. In principle, one just needs
to translate math-lbr to lua syntax. I will try to do that, but I need
someone to test the results, since I do not have Lucida fonts myself.
> Cambria has a very ugly spacing.
Luatex does not do kerning for utf math right now. This will be handled
correcrly in the future.
> btw. in the wiki is described a ConTeXt command \showmathcharacters.
> This seems not to work anymore. The related file math-run.tex is not
> input at the time of format generation.
\ShowCompleteFont{name:Cambria-Math}{10pt}{1}
> P.S. will the key [texnansi] (or [ec]) remain necessary to switch to
> LucidaBright?
For text fonts, yes. Normally math fonts use an independent encoding.
Aditya
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next prev parent reply other threads:[~2009-03-23 14:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-23 9:51 Lutz Haseloff
2009-03-23 14:41 ` Aditya Mahajan [this message]
2009-03-23 21:22 ` Hans Hagen
2009-03-24 9:38 ` Lutz Haseloff
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