Thanks, but I'm not able to run this code in my system.
I'm working in ConTeXt ver: 2014.12.06 14:20 MKIV beta fmt: 2014.12.8
int: english/english
and the error message is:
>> runscript
! Isolated expression.
<to be read again>
(
mlib_luas_luacall->begingroup.runscript(
""for.s=(TEXT2):if.string.s:&s.elsei...
lua->..._s,(TEXT3))else:mlib_luas_luacall((TEXT3))
fi.endgroup
<*> ...lua("mp.print(#document.variables.labels)")
: b[i] = unitsquare
xscal...
! Extra tokens will be flushed.
<to be read again>
(
mlib_luas_luacall->begingroup.runscript(
""for.s=(TEXT2):if.string.s:&s.elsei...
lua->..._s,(TEXT3))else:mlib_luas_luacall((TEXT3))
fi.endgroup
<*> ...lua("mp.print(#document.variables.labels)")
: b[i] = unitsquare
xscal...
>> vacuous
! Improper final value has been replaced by 0.
<to be read again>
:
<*> ...a("mp.print(#document.variables.labels)") :
b[i] = unitsquare
xscaled...
2014-12-08 9:21 GMT+00:00 Hans Hagen <pra...@wxs.nl>:
> On 12/7/2014 8:25 PM, DesdeChaves wrote:
>
>>
>> I would like to pass the lua table keys and values to metapost. In the
>> keys i have information about the paths names and in the values i have
>> information about the label that should be draw in the center of each
>> path (unitsquare).
>>
>> In my code (see attach) the table in question is
>> "weekdays_number_and_name".
>>
>> I know that is possible to pass a array from metapost to lua. Is the
>> reverse possible?
>>
>
> it's possible to ask values from within mp:
>
> \starttext
>
> \startluacode
> document.variables = {
> labels = {
> "one",
> "two",
> "three",
> }
> }
> \stopluacode
>
> \startMPpage
> numeric dx, dy;
> dx = 4.4cm;
> dy = 0.53cm;
> path b[];
> for i=1 upto lua("mp.print(\#document.variables.labels)") :
> b[i] = unitsquare xscaled dx yscaled dy shifted (0, (i-1)*dy);
> draw b[i];
> label(lua("mp.quoted(document.variables.labels[" & decimal i &
> "])"), center b[i]);
> endfor
> \stopMPpage
>
> \stoptext
>
>
> -----------------------------------------------------------------
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
> | www.pragma-pod.nl
> -----------------------------------------------------------------
> ____________________________________________________________
> _______________________
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--
Atentamente
DesdeChaves
___________________________________________________________________________________
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
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