Would something like this work? \setupbackgrounds[page][ background={BookIllustrationLayer}, ]
\definelayer[BookIllustrationLayer][ width=\paperwidth, height=.5\paperheight, y=.5\paperheight, position=no, repeat=no, ] \setlayer[BookIllustrationLayer]{% \clip[x=\doifelseoddpage{2}{1}]{% \externalfigure[filename][ width=2\paperwidth, height=.5\paperheight]% }% }% On Wed, Apr 29, 2020 at 5:05 PM jbf <roma83...@gmail.com> wrote: > > Hi list, > > With 99% of work complete on a book, including single page images, I now find > myself confronted with a final problem: how to run one image across facing > pages or in other words, one image (plus its caption) across a two-page > spread, such that there is no gap. > > I have tried a number of fairly crass attempts (obviously too simple) to see > if I could get somewhere near what I want, e.g. > > \externalfigure[plate12.jpg][width=\paperwidth, height=.7\paperheight, > frame=none] {\tfx \sc Plates 12, 13. \tfx Twenty trucks from the Netherlands > setting off} > > \externalfigure[plate13.jpg][width=\paperwidth, height=.7\paperheight, > frame=none] {\tfx for their first mission amongst the German diaspora.} > > My thinking here was that \paperwidth might help extend the image to the > inner edge on the left-hand page, but it doesn't work that way for the > right-hand page, since there it extends to the outer edge, not the inner > edge! The .7\paperheight was to provide room for the caption. But all in all, > this is no solution! > > If it is any help, the setup dimensions for the book are US Digest: > > \definepapersize > [ACN][width=5.5in,height=8.5in] % w140mm x h216mm > > I then looked up how one might do it in LaTeX, and found the following link: > https://tex.stackexchange.com/questions/23860/how-to-include-a-picture-over-two-pages-left-part-on-left-side-right-on-right > > How much of that would be transferable to ConTeXt? (I am thinking > particularly of the \newcommand*{\twopagepicture}[4] bit. > > There are explanations for how to do this in InDesign, and since it is > something someone might often want to do (e.g. in magazines), I also thought > it might be easier to find reference to it on Contextgarden, yet haven't > found anything there. But I am sure ConTeXt has a way to do this. > > Could someone point me in the right direction with this please? > > Julian > > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > ___________________________________________________________________________________ ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________