[pdftex] Exact placement of objects.

[Reinhard Kotucha]

>>>>> "John" == John Culleton <john at wexfordpress.com> writes:

    > In the DTP program Scribus a graphic object can be placed at an
    > exact spot on a page by specifying coordinates.  This is handy
    > for things like the bar code block on a book cover etc. Similar
    > results are possible with the \rput command in PSTricks,
    > assuming one can figure out where the current point is.

There is one fixed point on every page you can use as a reference.
It's the position of \headline.  If you want, for instance, a bar code
on each page, you can say

\headline{\rput(2cm,-5in){\barcode}}

If you need it only on one page, you can say

\headline{\ifnum\pageno=5 \rput(2cm,-5in){\barcode}\fi}

    > Does plain pdftex offer such a placement capability?

Something like \rput is described in "The TeXbook" on page 389.

Regards,
  Reinhard

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