Peter Rolf wrote: > Henning Hraban Ramm wrote: > >> Am 2006-09-21 um 21:12 schrieb Peter Rolf: >> >> >>>>> \externalfigure[\lily!img][scale=\dimexpr(1000\LPscale)]% >>>>> >>> \numexpr should work here >>> ..[scale=\numexpr1000\LPscale\relax]% >>> >> thank you, that seemed what I looked for, but: >> ! You can't use `\numexpr' in horizontal mode. >> >> > One of my favourite errors. Everytime it occurs I'm a bit puzzled, as > I've no general solution for this. I can only tell you what I do in such > a case. > > - check every parameter of the expression > > If the expression itself is ok > > - check the correct grouping of prior commands (boxes, conditionals,..) > - try to calculate the expression before you pass it > \newcount\Myscale > \Myscale\numexpr1000\LPscale\relax > ..[scale=\the\Myscale] > > But in the end it is more try and error than a systematic action. > If there is a more general approach to solve this, I would be happy to > hear it. > > Gr some day soon:
\def\integer#1{\lua{tex.sprint(math.floor(#1))} scale=\integer{1000*\LPscale} Hans -- ----------------------------------------------------------------- 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 ----------------------------------------------------------------- _______________________________________________ ntg-context mailing list ntg-context@ntg.nl http://www.ntg.nl/mailman/listinfo/ntg-context