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From: Peter Rolf <indiego@gmx.net>
Subject: Re: calculations
Date: Thu, 21 Sep 2006 21:12:17 +0200	[thread overview]
Message-ID: <4512E411.2070504@gmx.net> (raw)
In-Reply-To: <0DE942E8-4FE2-41E2-8C04-6D2DD127172D@fiee.net>

Henning Hraban Ramm wrote:
> Am 2006-09-20 um 00:40 schrieb nico:
> 
>> \figurewidth is not a dimension. I guess the following should work:
>>
>> \def\LPscale{.6315789} % downscale the image
>>      \ifvmode
>>         \getfiguredimensions[\bufferprefix
>> lilypond-\the\lily!figures.pdf][]%
>>         \leavevmode%
>>         \newdimen\FigWidth
>>         \newdimen\FigWidthReal=\figurewidth
>>         \FigWidth=\dimexpr(\LPscale\FigWidthReal)
>>         \ifdim\FigWidth>\localhsize
>>           \!!dimena=\localhsize
>>           \advance\!!dimena by-\FigWidth
>>           \noindent\hskip\!!dimena
>>         \fi
>>      \fi
> 
> Thank you very much, that works indeed.
> 
>>      \externalfigure[\lily!img][scale=\dimexpr(1000\LPscale)]%
> 
> But here \dimexpr is nonsense (should have seen that before).
> But "scale=1000\LPscale" just concatenates the two "strings", and TeX  
> doesn't seem to reckognize a *
> 
> How can I multiply two values? Di I need some expansion magick or  
> just something like "eval()"?

\numexpr should work here

  ..[scale=\numexpr1000\LPscale\relax]%

Greetings, Peter
> 
> 
> Greetlings from Lake Constance!
> Hraban
> ---
> http://www.fiee.net/texnique/
> http://contextgarden.net
> http://www.cacert.org (I'm an assurer)
> 
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> 

  parent reply	other threads:[~2006-09-21 19:12 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-19 20:53 calculations Henning Hraban Ramm
2006-09-19 21:22 ` calculations Hans Hagen
2006-09-19 21:34 ` calculations nico
2006-09-19 22:04   ` calculations Henning Hraban Ramm
2006-09-19 22:40     ` calculations nico
2006-09-20 20:39       ` calculations Henning Hraban Ramm
2006-09-21  8:04         ` calculations Vit Zyka
2006-09-21 19:12         ` Peter Rolf [this message]
2006-09-24 19:47           ` calculations Henning Hraban Ramm
2006-09-25  9:46             ` calculations Peter Rolf
2006-09-25 10:21               ` calculations Hans Hagen
2006-09-25 21:11               ` calculations Henning Hraban Ramm
2006-09-26  6:53                 ` calculations Taco Hoekwater
2006-09-26 17:14                   ` calculations Henning Hraban Ramm
2006-09-26 20:14                     ` calculations Peter Rolf
2006-09-26 20:19                       ` calculations Hans Hagen

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