From: Kate F <kate@elide.org>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Calculating a value in metapost, and using it in ConTeXt
Date: Wed, 27 May 2015 00:56:25 +0100 [thread overview]
Message-ID: <CAA36g0XHjHi-iFxKeLZ9E5FvFLsW9PMs0RDh4Yw6PO0Eec6J-g@mail.gmail.com> (raw)
In-Reply-To: <5564FF5A.5000606@wxs.nl>
On 27 May 2015 at 00:18, Hans Hagen <pragma@wxs.nl> wrote:
> On 5/26/2015 9:17 PM, Kate F wrote:
>>
>> Hello,
>>
>> Is it possible to calculate the position of something in Metapost, and
>> to export that value to TeX such that I can use it in setups and
>> things?
>
>
> it depends on what you want to calculate
>
> \startMPcalculation
> path p, q;
>
> h := PaperHeight;
> w := PaperWidth;
>
> p = (0, 0) -- (w, .5h);
> q = (0, h) -- (w, 0);
>
> z0 = p intersectionpoint q;
>
> passvariable("z",ypart z0) ;
> \stopMPcalculation
>
> \setuplayout
> [topspace=0pt,
> header=0pt,
> height=\MPrunvar{z}bp]
>
> \showgrid
>
> \starttext
> xyz:\MPrunvar{z}
> \stoptext
>
Wonderful!
--
Kate
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prev parent reply other threads:[~2015-05-26 23:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-26 19:17 Kate F
2015-05-26 23:18 ` Hans Hagen
2015-05-26 23:56 ` Kate F [this message]
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