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Hi Hraban, I think we should clarify this. Binding correction is a fixed amount of whitespace in the spine added to the inner white-space. This is to ensure, that the binding, which is consuming white-space, keeps the inner white-space optically as intended.. The page shift mechanism works only with imposition enabled. This ensures, that the type-setting area does not creep towards the spine because multiple sheets of paper are folded in the spine. I doubt whether it is enough to have the measure of the thickness do determine this creeping effect, because we are making folds which are probably more circles than just adding thickness of paper. Willi
On 18 Mar 2024, at 17:35, Hraban Ramm
wrote: 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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