Thanks Wolfgang. This version is the 'icing on the cake' I think, a further refined version of the suggestion put forward by Sreeram. Grateful as always, Julian On 11/3/22 23:36, Wolfgang Schuster wrote:
\definepageinjectionalternative [chapter:image] [renderingsetup=pageinjection:chapter:image]
\startsetups [pageinjection:chapter:image] \centerbox{\externalfigure[\dummyparameter{name}]} \stopsetups
\definepageinjection [chapter:start] [empty] [page=left]
\definepageinjection [chapter:insert] [previouspage] [alternative=chapter:image, offset=1cm, pagestate=stop]
\setuphead [chapter] [beforesection={\pageinjection[chapter:start]}, insidesection={\pageinjection[chapter:insert][name={chapter-\namedheadnumber{chapter}}]}]
\setuppagenumbering [alternative=doublesided]
\setupexternalfigures [location=default]
\useexternalfigure [chapter-1] [mill] [factor=max] \useexternalfigure [chapter-2] [hacker] [orientation=90,scale=2000] \useexternalfigure [chapter-3] [cow] [orientation=90,height=\framedwidth]
\starttext
\startchapter [title={Mill}] \dorecurse{7}{\samplefile{lorem}} \stopchapter
\startchapter [title={Hacker}] \dorecurse{11}{\samplefile{lorem}} \stopchapter
\startchapter [title={cow}] \dorecurse{7}{\samplefile{lorem}} \stopchapter
\stoptext