Re: Delayed page layout change?

[Hans Hagen <pragma@wxs.nl>]

On 1/11/2015 12:36 AM, David Brooks wrote:
> Hi,
>
> I'm new to ConTeXt (although have used LaTeX in various ways over a long
> time) and am impressed! Many thanks for a great system.
>
> I'm wanting some pages in a book to have a different layout to others,
> and am using \definelayout and \setuplayout to do so. This all works,
> including adding layers to the different layouts. However the layout
> change (specified by \setuplayout) occurs immediately after the command
> is given, which means following paragraphs on the page have the layout's
> new width and not the width used for earlier text on the page: i.e:
>
> +            +
>     xxxxxxxxx
>     xxxxxxxxx
>     xxxxxxxxx
> <-- \setuplayout
>     xxxxx
>     xxxxx
> +            +
> +            +
>     xxxxx
>     xxxxx
>     xxxxx
> xxxxx
>     xxxxx
>     xxxxx
> +            +
>
> Is there anyway to defer the change in layout so that it occurs when the
> next page starts?? I can obviously force my own page breaks using \page
> and give \setuplayout immediately afterwards, but this doesn't allow for
> paragraph text to flow over the page boundary.

\setuppagenumbering[alternative=doublesided]

\setuplayout         [width=11cm]
\definelayout [odd]  [backspace=1cm,height=18cm]
\definelayout [even] [backspace=4cm,height=19cm]
\definelayout [5]    [backspace=5cm,height=20cm]
\definelayout [6]    [backspace=5cm]
\definelayout [-2]   [backspace=0cm,cutspace=0cm]
\definelayout [last] [backspace=0cm,cutspace=0cm]

\checkcurrentlayout \showframe

\starttext
     \dorecurse{20} {\input knuth \endgraf \input tufte \endgraf}
\stoptext

so you can play with these settings

Hans

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