[NTG-context] calculations

Hans Hagen pragma at wxs.nl
Tue Sep 19 23:22:50 CEST 2006


Henning Hraban Ramm wrote:
> Sorry, I skimmed the TeXbook for an hour but couldn't find how to do  
> simple calculations in TeX...
>
> This is a snippet from t-lilypond.tex:
>
> \def\LPscale{0.6315789} % downscale the image
>     \ifvmode
>        \getfiguredimensions[\bufferprefix lilypond-\the\lily! 
> figures.pdf][]%
> %      \def\FigWidth{\LPscale\figurewidth}
>        \leavevmode
>        \ifdim\FigWidth>\localhsize
>          \!!dimena=\localhsize
>          \advance\!!dimena by-\FigWidth
>          \noindent\hskip\!!dimena
>        \fi
>     \fi
>     \externalfigure[\lily!img][scale=1000\LPscale]%
>   
does 

sx=\LPscale

work? 
 
-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------



More information about the ntg-context mailing list