From: Hans Hagen <j.hagen@xs4all.nl>
To: ntg-context@ntg.nl, Rudolf Bahr <quasi@quasi.de>
Subject: Re: Moving horizontally a whole ensemble of layers in the same run?
Date: Tue, 17 Dec 2019 19:30:49 +0100 [thread overview]
Message-ID: <d71b93a3-af1d-b68d-78ea-070d29c7ab1f@xs4all.nl> (raw)
In-Reply-To: <20191217181832.GA6583@nan>
On 12/17/2019 7:18 PM, Rudolf Bahr wrote:
>
> Hi Hans,
>
> assume we fixed between "\definelayer" and "\flushlayer" a whole ensemble
> of layers on a page. And by calculating per luacode we determined the leftmost
> and the rightmost edge of the ensemble and would now like to horizontally centre
> the ensemble. We don't know the rightmost edge before we placed the last layer.
> By luacode we can calculate how much the centring movement should be, because we
> know "\textwidth", but we cannot save the calculated centring value in the context
> program for another run. Saving the luacode values of hundred of pages in flattened
> lua tables would be possible, but rather awkward; the problem of relating pages to
> tables would arise, especially when pages are taken out or additional pages are
> inserted.
>
> Do you know a way to settle the centring in the same context run in which the layers
> are placed? Could "\flushlayer" perform it somehow?
you need to make a MWE to show what you mean
normally
\hbox to <somewidth>{\hss<come content>\hss}
is good enough for centering
Hans
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next prev parent reply other threads:[~2019-12-17 18:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-17 18:18 Rudolf Bahr
2019-12-17 18:30 ` Hans Hagen [this message]
2019-12-18 14:13 Rudolf Bahr
2019-12-18 17:13 ` Wolfgang Schuster
2019-12-18 18:46 ` Rudolf Bahr
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