Peter Rolf wrote:
> Hi Paul,
>
> Paul Jones wrote:
>
>> Hello,
>>
>> I have used Latex in the past and have the following code that inserts
>> information on certain pages using afterpage. Is there some way to do a
>> similar thing in context?
>>
>>
>
> \setupoutput[pdf]
> \definelayer[info]
>
> \setuplayer[info]
> [height=\paperheight,width=\paperwidth]
>
> \setupbackgrounds[page]
> [background={text,info}]% info layer is above normal text layer
>
> \def\WhichPage#1{%
> \def\docommand##1{\ifnum\pageno=##1\relax
> \setlayerframed[info][x=20mm,y=\dimexpr\paperheight-15mm,location=r]
> [background=color,backgroundcolor=white]
> {\tfb This page is inserted on page \number\pageno}\fi}%
> \rawprocesscommalist[#1]\docommand}%
>
...
lemme show you a few tricks:
(1) test for a number in a set (use \expanded{\doifinset....} if in doubt)
(2) use the rightbottom as preset
\def\WhichPage#1%
{\doifinset{\realfolio}{#1}
{\setlayerframed
[info]
[preset=rightbottom,x=20mm,y=15mm]
[background=color,backgroundcolor=white]
{\tfb This page is inserted on page \realfolio}%
}}
\def\WhichPage#1%
{\doifinset{\realfolio}{#1}
{\setlayerframed
[info]
[preset=rightbottom,x=20mm,y=15mm]
[background=color,backgroundcolor=white]
{\tfb This page is inserted on page \realfolio}%
}}
or cleaner (no macro and args involved):
\startsetups [at some pages]
\setlayerframed
[info]
[preset=rightbottom,x=20mm,y=15mm]
[background=color,backgroundcolor=white]
{\tfb This page is inserted on page \realfolio}
\stopsetups
\setupheadertexts[\doifinset{\realfolio}{3,4}{\directsetup{at some pages}}]
now, this inserts *as overlay*
however if one wants to insert something after a specific page, there is
% \startpostponing [pagenumber] [+pageoffset]
%
% \startpostponing[2]
% PAGE 2 \blank
% \stoppostponing
%
% \startpostponing[+1]
% PAGE +1 \blank
% \stoppostponing
%
% \startpostponing[+2]
% PAGE +2 \blank
% \stoppostponing
%
% \starttext \dorecurse{4}{\input tufte \page} \stoptext
Hans
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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
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