From: luigi scarso <luigi.scarso@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: how to use \dimexpr and fractional values
Date: Fri, 28 Jun 2013 09:34:05 +0200 [thread overview]
Message-ID: <CAG5iGsC+zdaVLTOCx2wT0bJL4afipfyDAqmPfYT3UeDh=7L2GQ@mail.gmail.com> (raw)
In-Reply-To: <51CD331E.4010704@uni-bonn.de>
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On Fri, Jun 28, 2013 at 8:54 AM, Thomas A. Schmitz <
thomas.schmitz@uni-bonn.de> wrote:
> Hi all,
>
> long story short: I want to calculate a width or height from user input,
> which is in the form "0.x" (as in "0.3\textwidth") since I want to use that
> number differently in different circumstances. Problem is that \dimexpr
> doesn't like decimal values.
>
long answer short
\starttext
\def\myfactor{0.3}
\def\Myfactor{3}
\externalfigure[mill][height=\myfactor\textwidth]
\externalfigure[mill][height=\dimexpr \textwidth * \Myfactor / 10\relax]
\externalfigure[mill][height=\dimexpr 10cm * \Myfactor / 10\relax]
\stoptext
http://wiki.contextgarden.net/Expressions
--
luigi
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prev parent reply other threads:[~2013-06-28 7:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-28 6:54 Thomas A. Schmitz
2013-06-28 7:16 ` Peter Münster
2013-06-28 7:34 ` Thomas A. Schmitz
2013-06-28 7:34 ` luigi scarso [this message]
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