positioning a watermark

positioning a watermark

[Paul Jones]

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Hello,

I am trying to create alternating watermarks behind the text of a book on
odd and even pages.  I was able to get this working with overlays fine,
except that I could not figure out how to position them.  (I would like them
in the bottom outside corners)  Using layers I could get them to repeat
across pages if I \setupbackgrounds[text][text], but only the text on the
odd pages showed up.  I would really like to use \setupbackgrounds[page] so
my offsets are from the edge of the page.  So I guess I have a couple of
questions.

Is it possible to position overlays?
Is it possible to repeat layers using [page]?
Any guess as to why only the odd pages showed the watermark in the code
below?

Thanks for any help.
paul

%output=pdf
\setuppagenumbering
   [alternative=doublesided]

\setupcolors
   [state=start]

\setupbackgrounds
   [text][text]
   [background=watermark,state=repeat]

\definelayer
   [watermark]
   [position=yes]

\startsetups watermark
         \doifoddpageelse

{\framed[frame=off,foregroundcolor=gray]{\scale[sx=10,sy=10]{\rotate[rotation=
0.0]{forever}}}}

{\framed[frame=off,foregroundcolor=gray]{\scale[sx=10,sy=10]{\rotate[rotation=
0.0]{together}}}}
\stopsetups
\starttext

\setlayer[watermark][hoffset=1cm,voffset=1cm]{\setups{watermark}}

\chapter{first}  \dorecurse{10}{\input tufte  }
\chapter{second} \dorecurse{10}{\input davis  }
\chapter{third}  \dorecurse{10}{\input zapf   }
\chapter{fourth} \dorecurse{10}{\input bryson }

\stoptext

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