Hi,
> I believe that pdfs can make multiple use of pictures (and other objects).
right.
> I have a fairly large picture which I want to include a number of
> times, once as the full picture and several other times
> concentrating on a portion of it. Are there any commands for
> cropping other than going through metapost?
Yes. Try this example. You can see from the resulting pdf file that
the cow.pdf gets included only once.
\useexternalfigure[cow]
\starttext
\setupclipping[nx=3,ny=3]
% 1/3 of a sliced cow
\hbox{%
\clip [x=1,y=2]{\externalfigure[cow]}
\clip [x=2,y=2]{\externalfigure[cow]}
\clip [x=3,y=2]{\externalfigure[cow]}
}
\blank[4*big]
% its in the details:
\scale[sx=2,sy=2]{\clip [x=2,y=2]{\externalfigure[cow]}}
\stoptext
Patrick
--
You are your own rainbow!
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