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From: Adam Reviczky via ntg-context <ntg-context@ntg.nl>
Newsgroups: gmane.comp.tex.context
Subject: Re: Xml - Lua - context
Date: Mon, 28 Mar 2022 17:21:53 +0100
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Cc: Adam Reviczky <reviczky@gmail.com>,
 "Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>
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Hi Thomas,

Not sure whether it helps or not, but in regards to combinations and Lua I
have had some challenges as well, but Hans' and Wolfgangs' solution with
externalfigures works fine for me now:

https://mailman.ntg.nl/pipermail/ntg-context/2021/103822.html
https://mailman.ntg.nl/pipermail/ntg-context/2021/103827.html

Adam

On Mon, Mar 28, 2022 at 2:42 PM Thomas A. Schmitz via ntg-context <
ntg-context@ntg.nl> wrote:

> And here comes question 2, a very basic one: on A4 landscape pages, I wan=
t
> to place two images next to each other (like the spread pages of a book).
> What would be the preferred way of the really competent users to do this,
> again keeping in mind that I want to loop over page numbers in a pdf file
> and thus am coding in Lua. So far, I have tried or thought about:
>
> 1. Embedded xtable
>
> This is what I=E2=80=99m using now, an xtable of two columns for every A4=
 page. It
> works, but I wonder if it=E2=80=99s a good method.
>
> 2. combinations
>
> This appeared to be the most natural approach (because it=E2=80=99s what
> combinations are for), but I ran into expansion problems, added a few
> =E2=80=9Cfunction () end=E2=80=9D in my code, but couldn=E2=80=99t make i=
t compile. Combinations,
> combined with framed and externalfigure, are difficult to write in Lua - =
or
> am I too stupid to find the winning combination (sorry for the puns).
>
> 3. columns
>
> Again, this would seen like a natural approach, having every A4 page set
> up as two columns, but maybe that=E2=80=99s overkill?
>
> I=E2=80=99d be curious to know what you think!
>
> All best
>
> Thomas
>
> _________________________________________________________________________=
__________
> 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://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
>
> _________________________________________________________________________=
__________
>

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<div dir=3D"ltr"><div>Hi Thomas,</div><div><br></div><div>Not sure whether =
it helps or not, but in regards to combinations and Lua I have had some cha=
llenges as well, but Hans&#39; and Wolfgangs&#39; solution with externalfig=
ures works fine for me now:</div><div><br></div><div><a href=3D"https://mai=
lman.ntg.nl/pipermail/ntg-context/2021/103822.html">https://mailman.ntg.nl/=
pipermail/ntg-context/2021/103822.html</a></div><div><a href=3D"https://mai=
lman.ntg.nl/pipermail/ntg-context/2021/103827.html">https://mailman.ntg.nl/=
pipermail/ntg-context/2021/103827.html</a></div><div><br></div><div>Adam<br=
> </div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmai=
l_attr">On Mon, Mar 28, 2022 at 2:42 PM Thomas A. Schmitz via ntg-context &=
lt;<a href=3D"mailto:ntg-context@ntg.nl">ntg-context@ntg.nl</a>&gt; wrote:<=
br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8e=
x;border-left:1px solid rgb(204,204,204);padding-left:1ex">And here comes q=
uestion 2, a very basic one: on A4 landscape pages, I want to place two ima=
ges next to each other (like the spread pages of a book). What would be the=
 preferred way of the really competent users to do this, again keeping in m=
ind that I want to loop over page numbers in a pdf file and thus am coding =
in Lua. So far, I have tried or thought about:<br>
<br>
1. Embedded xtable<br>
<br>
This is what I=E2=80=99m using now, an xtable of two columns for every A4 p=
age. It works, but I wonder if it=E2=80=99s a good method.<br>
<br>
2. combinations<br>
<br>
This appeared to be the most natural approach (because it=E2=80=99s what co=
mbinations are for), but I ran into expansion problems, added a few =E2=80=
=9Cfunction () end=E2=80=9D in my code, but couldn=E2=80=99t make it compil=
e. Combinations, combined with framed and externalfigure, are difficult to =
write in Lua - or am I too stupid to find the winning combination (sorry fo=
r the puns).<br>
<br>
3. columns<br>
<br>
Again, this would seen like a natural approach, having every A4 page set up=
 as two columns, but maybe that=E2=80=99s overkill? <br>
<br>
I=E2=80=99d be curious to know what you think!<br>
<br>
All best<br>
<br>
Thomas<br>
___________________________________________________________________________=
________<br>
If your question is of interest to others as well, please add an entry to t=
he Wiki!<br>
<br>
maillist : <a href=3D"mailto:ntg-context@ntg.nl" target=3D"_blank">ntg-cont=
ext@ntg.nl</a> / <a href=3D"http://www.ntg.nl/mailman/listinfo/ntg-context"=
 rel=3D"noreferrer" target=3D"_blank">http://www.ntg.nl/mailman/listinfo/nt=
g-context</a><br>
webpage=C2=A0 : <a href=3D"http://www.pragma-ade.nl" rel=3D"noreferrer" tar=
get=3D"_blank">http://www.pragma-ade.nl</a> / <a href=3D"http://context.aan=
het.net" rel=3D"noreferrer" target=3D"_blank">http://context.aanhet.net</a>=
<br>
archive=C2=A0 : <a href=3D"https://bitbucket.org/phg/context-mirror/commits=
/" rel=3D"noreferrer" target=3D"_blank">https://bitbucket.org/phg/context-m=
irror/commits/</a><br>
wiki=C2=A0 =C2=A0 =C2=A0: <a href=3D"http://contextgarden.net" rel=3D"noref=
errer" target=3D"_blank">http://contextgarden.net</a><br>
___________________________________________________________________________=
________<br>
</blockquote></div>

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