[NTG-context] Re: can we do binding correction?

[Hraban Ramm <texml@fiee.net>]

Am 17.03.24 um 23:54 schrieb Wolfgang Schuster:
> Hraban Ramm schrieb am 17.03.2024 um 22:48:
>> Hi, this question was rised in my ConTeXt beginners workshop* at 
>> Chemnitz Linux Days today:
>>
>> Can I configure binding correction for saddle-stitched or 
>> thread-bound booklets, and if, does it only work with arranging 
>> (imposition) or can I enable it somehow for the layout (if the 
>> printshop does the imposition)?
>
> 1. \definepageshift + \setuppageshift
>
> 2. \setuplayout[horoffset=<DIMENSION>]
>
>> Also I recognized I'm not sure about the difference of the layout 
>> parameters backspace and cutspace.
>
> backspace is the inner margin and cutspace the outer
>
Hi Wolfgang, thank you! Seems like I was too dense to understand the 
description for the \setuplayout parameters in the wiki (and there are 
more that I never used, oh my…), and since I never use ConTeXt’s 
imposition for serious print products (and never set up a scheme 
myself), I didn’t know about pageshift.

Ok, if I leave imposition to the printshop and they don't do binding 
correction in their workflow, I'd need to set horoffset differently for 
every single page (i.e. first, second, second-to-last and last the same; 
3th, 4th and from back the same etc.). Or is pageshift applied 
independently from arranging?

And then, it makes no sense to add the same value all the time. I don’t 
know if BCOR works this way in LaTeX, but one value (paper thickness) 
should be enough in combination with an imposition schema. I.e. if I 
define a paper thickness and the number of pages that are in one booklet 
(as a single booklet or part of a "proper" book), then the page shift 
should work automatically.

Well, for a single booklet, it could. In a book, booklets can have 
different numbers of pages, and then you'd need to define a list… Okay, 
too complicated. It’s the printshops's responsibility anyway, and nobody 
complained about my books so far. (I'm not perfectionist enough to care.)

Hraban


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