Re: ps to gif

[dtm12@jhunix.hcf.jhu.edu (Daniel Martin at cush)]

Brandon Mitchell <bhmit1@mail.wm.edu> writes:

> Hi everyone,
> 
> Is there a way to convert ps (or any possible output from gnuplot) to a
> gif (or even a jpeg).  This needs to be done in a script, so command line
> programs only.
> 
> TIA,
> Brandon

I saw a script to do this a while back - the main thing was:
  gs -q -sDEVICE=ppmraw -sOutputFile=- infile.ps | ppmtogif > outfile.gif

There may have been other options on gs - check places where people
have gs acting as a filter for lpr and steal the options.  The
ppmtogif program is in the netpbm package.  (which is, due to some
unfortunate actions by Unisys, in non-free)  If you have more than one 
page on your ps file this won't quite work - but you can still create
a script that ends up with several gifs in /tmp using something like:
 gs -q -sDEVICE=ppmraw -sOutputFile='/tmp/page%d.ppm' infile.ps
 for i in /tmp/page*.ppm; do
   ppmtogif $i > /tmp/`basename $i .ppm`.gif
 done

Check both the gs and ppmtogif manpages for more info.


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