* A strange request...
@ 2019-02-20 16:23 Willi Egger
2019-02-20 16:32 ` luigi scarso
2019-02-20 16:52 ` Wolfgang Schuster
0 siblings, 2 replies; 3+ messages in thread
From: Willi Egger @ 2019-02-20 16:23 UTC (permalink / raw)
To: NTG-Context ConTeXt users
Hi all,
I am siting with a project of making a “dwarsligger”, you know these books, printed on bible-thin-printing paper, which are about 12 x 8 cm. One opens them while holding them ‘landscape’ with the spine on the top…
Now there is of course a little struggle with the page numbering. The reading page consists out of the even page together with the following uneven page. It is easy to print on the uneven page a page number, however this will result in uneven page numbers only throughout the book.
My question is, whether there is an algorithm to print page numbers as follows:
1 2 3 4 5 6 7 8 9 (this is the ordinary numbering)
1 2 3 4 5 (this is the requested numbering)
Does someone have an idea how to solve this?
Any hints are most appreciated!
Willi
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* Re: A strange request...
2019-02-20 16:23 A strange request Willi Egger
@ 2019-02-20 16:32 ` luigi scarso
2019-02-20 16:52 ` Wolfgang Schuster
1 sibling, 0 replies; 3+ messages in thread
From: luigi scarso @ 2019-02-20 16:32 UTC (permalink / raw)
To: mailing list for ConTeXt users
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On Wed, Feb 20, 2019 at 5:23 PM Willi Egger <context@boede.nl> wrote:
> Hi all,
>
> I am siting with a project of making a “dwarsligger”, you know these
> books, printed on bible-thin-printing paper, which are about 12 x 8 cm.
> One opens them while holding them ‘landscape’ with the spine on the top…
>
> Now there is of course a little struggle with the page numbering. The
> reading page consists out of the even page together with the following
> uneven page. It is easy to print on the uneven page a page number, however
> this will result in uneven page numbers only throughout the book.
>
> My question is, whether there is an algorithm to print page numbers as
> follows:
>
>
> 1 2 3 4 5 6 7 8 9 (this is the ordinary numbering)
> 1 2 3 4 5 (this is the requested numbering)
>
> Does someone have an idea how to solve this?
>
> Any hints are most appreciated!
>
> Pickup n>=0, and find q and r such
n = 2q + r, r = 0 or r=1
It's not clear if you have 6 what you want to print (3 or 4 ?)
but playing with that formula can help you .
In many times, it's better to start from zero, so it could be that you
have to translate your input sequence by adding -1
and the output sequence by adding +1 .
>
--
luigi
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___________________________________________________________________________________
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
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: A strange request...
2019-02-20 16:23 A strange request Willi Egger
2019-02-20 16:32 ` luigi scarso
@ 2019-02-20 16:52 ` Wolfgang Schuster
1 sibling, 0 replies; 3+ messages in thread
From: Wolfgang Schuster @ 2019-02-20 16:52 UTC (permalink / raw)
To: mailing list for ConTeXt users, Willi Egger
Willi Egger schrieb am 20.02.19 um 17:23:
> Hi all,
>
> I am siting with a project of making a “dwarsligger”, you know these books, printed on bible-thin-printing paper, which are about 12 x 8 cm. One opens them while holding them ‘landscape’ with the spine on the top…
>
> Now there is of course a little struggle with the page numbering. The reading page consists out of the even page together with the following uneven page. It is easy to print on the uneven page a page number, however this will result in uneven page numbers only throughout the book.
>
> My question is, whether there is an algorithm to print page numbers as follows:
>
>
> 1 2 3 4 5 6 7 8 9 (this is the ordinary numbering)
> 1 2 3 4 5 (this is the requested numbering)
>
> Does someone have an idea how to solve this?
Variant 1:
\setuppapersize[A5,landscape]
\setuppagenumbering[location=none]
\startsetups [pagenumber]
\doifoddpageelse
{\cldcontext{"\letterpercent d",(\pagenumber+1)/2}}
{}
\stopsetups
\setupheadertexts [\directsetup{pagenumber}]
\starttext
\dorecurse{10}{\samplefile{knuth}}
\stoptext
Variant 2:
\defineexpandable[1]\DwarsliggerNumber
{\cldcontext{"\letterpercent d",(#1+1)/2}}
\defineconversion [dwarsligger] [\DwarsliggerNumber]
\setuppapersize[A5,landscape]
\setupuserpagenumber[numberconversion=dwarsligger]
\setuppagenumbering[location=none]
\setupheadertexts [\doifoddpageelse{\prefixedpagenumber}{}]
\starttext
\dorecurse{10}{\samplefile{knuth}}
\stoptext
Wolfgang
___________________________________________________________________________________
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
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archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___________________________________________________________________________________
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