[NTG-context] Centering figures that extend into the margin

Willi Egger context at boede.nl
Wed Apr 20 22:44:03 CEST 2022


Hi Yann,

I have not a solution for you  but I would like to point you to the “details” manual, where many of special placements of floats are discussed.

Kind regards

Willi

> On 20 Apr 2022, at 11:39, yann--- via ntg-context <ntg-context at ntg.nl> wrote:
> 
> Hi,
> 
> I've been playing around with 'marginnote' layout similar to tufte's books.  The
> main thing that I can't figure out is how to centre figures that extend into the
> margin.  These should take over the whole page, but the content of the figure
> should be centred, which is normally the case in normal figures.
> 
> Below is my try of defining a marginnote that does this, by calculating the
> textarea size and setting the width to that.  However, I can't seem to then
> figure out how to center the externalfigure inside of the figure.
> 
> Thanks in advance!
> Yann
> 
> \useMPlibrary[dum]
> 
> \setuplayout[
> edgedistance=1cm,
> backspace=2cm,
> rightmargin=4.5cm,
> leftmargin=0cm,
> topspace=1cm,
> header=1cm,
> footer=1cm,
> headerdistance=0.5cm,
> width=fit,
> height=fit,
> ]
> 
> \newdimen\LeftMarginSize
> \LeftMarginSize=\dimexpr \backspace + \rightmarginwidth + \rightmargindistance \relax
> \newdimen\TextAreaSize
> \TextAreaSize=\dimexpr \textwidth + \rightmarginwidth + \rightmargindistance \relax
> \definefloat[marginfigure][marginfigures][figure]
> \setupfloat[marginfigure][location=inner,default=top,width=\TextAreaSize]
> \setupcaptions[marginfigure][
> leftmargin=\dimexpr \LeftMarginSize / 2 \relax,
> location=bottom,
> width=\textwidth,
> ]
> \setuplabeltext[marginfigure=Figure~]
> \showframe
> 
> \starttext
> 
> \startplacemarginfigure
> \externalfigure[][width=13cm]
> \stopplacemarginfigure
> 
> \stoptext
> 
> -- 
> Yann Herklotz
> https://yannherklotz.com
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