Imposing a pdf/postscript on top of another one

Polytropon freebsd at
Sun Aug 20 17:53:00 UTC 2017

On Sun, 20 Aug 2017 11:41:59 -0500, Antonio Olivares wrote:
> Dear FreeBSD users,
> Using only commands like psmerge, psnup, from psutils and a customized
> script with awk or sed is it possible to force a picture created using
> gnuplot as the background and impose a ps/pdf document created by tex/latex
> on top of it.  No other packages/programs like background package in latex,
> or pdftk, are available.  It is an old machine that is offline running
> 8.3-RELEASE amd64.
> The command psmerge does not work correctly.  The files can be combined
> using ghostscript, but my goal is to use a graph from gnuplot output to
> postscript not eps, then process a tex file and output it to postscript
> with dvips.  After this is done have a script that sets the postscript file
> from gnuplot as the background and puts the one created by dvips on top of
> that one.  The postscript from gnuplot is fixed with fixbb and removes
> unnessary space, the other file postscript file is in letter format.
> Ideas, suggestions, advice are appreciated.

I think what you're describing is a good task for pdftk.
You just need to provide the components to overlay in
PDF format, which is not a problem with pdflatex and
ps2pdf or convert (from ImageMagick) for the GNUplot

See "man pdftk" for the "background" keyword.

Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...

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