From: "Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Marginal line numbers
Date: Thu, 16 Dec 2010 08:34:37 +0100 [thread overview]
Message-ID: <BED2C934-F618-4803-A061-38B51C9569F8@uni-bonn.de> (raw)
In-Reply-To: <AANLkTi=cbfzMynpGOrHxo479GbLxHio7vb-=hLMztn2m@mail.gmail.com>
On Dec 14, 2010, at 9:33 PM, Jon Crump wrote:
> All,
>
> Thanks to Thomas's help, I've been making my way up the learning curve.
>
> My TEI xml has empty lb elements indicating lines in the original and
> corresponding lb elements in the translation. I'd like to be able to
> set these numbers in the margin so that readers may coordinate the
> lineation. So far I have this:
>
> \startxmlsetups xml:lb
> \lineNumbers{\xmlatt{#1}{n}}
> \xmlflush{#1}
> \stopxmlsetups
>
> \defineinmargin [lineNumbers] [outer] [normal]
>
> which works, but I'd like to be able to set only every fifth or tenth
> line number. Is there a way to perform some arithmetic on the value of
> the n attribute and then execute \lineNumbers accordingly?
>
> for example:
>
> if n%5 == 0 then \lineNumbers else ignore <lb>
>
> Thanks,
> Jon
This is easy with a lua function. Since you know python, I guess the following example will be easy for you:
\startluacode
function filter(s)
if math.mod(s,5) == 0 then
context.color( { "darkred" }, s )
else
context.color( { "darkblue" }, s )
end
end
\stopluacode
\define[1]\MyNumber%
{\ctxlua{filter(#1)}\endgraf}
\starttext
\dorecurse{25}{\MyNumber{\recurselevel}}
\stoptext
This should get you going, I hope
Good luck
Thomas
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next prev parent reply other threads:[~2010-12-16 7:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 20:33 Jon Crump
2010-12-16 7:34 ` Thomas A. Schmitz [this message]
2010-12-16 21:28 ` Jon Crump
2010-12-16 21:34 ` Wolfgang Schuster
2010-12-17 16:37 ` Jon Crump
2010-12-17 8:27 ` Thomas A. Schmitz
2010-12-17 22:41 ` Thomas A. Schmitz
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