On Fri, Jun 28, 2013 at 8:54 AM, Thomas A. Schmitz < thomas.schm...@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
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________