Am 2006-09-25 um 11:46 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.
>
I think I tried everything but didn't get it to work.
For the moment I use:
\def\LPscale{0.6315789} % downscale the image
\def\LPkscale{632}
% doesn't work: \def\LPkscale{\numexpr1000\LPscale\relax}
But anyway - my problem is caused by LilyPond not obeying its size
commands in EPS mode, so the simple scaling doesn't help...
Greetlings from Lake Constance!
Hraban
---
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