I favour the newly implemented solution:

"Gnuplot does not support PDF output on this system"

I am not sure whether one can really assume that ghostscript is part of a basic unix installation -- I just do not know.

Artur





2009/2/24 Riccardo (Jack) Lucchetti <r.lucchetti@univpm.it>
On Tue, 24 Feb 2009, Allin Cottrell wrote:

Ah, I had forgotten that gnuplot might not support PDF output.
But in fact we already have a check for that (a one-time runtime
check, which is not elegant but, I think, better than disabling
PDF).  So I've now connected that check to the new functionality:
one should get an informative error message on trying to generate
PDF when gnuplot can't do it.

If the problem is confined to unix-like systems, one could assume that ghostscript is installed and use the following hack:

<gnuplot_script>
set terminal postscript
set output "| ps2pdf - > foo.pdf"
plot sin(x)
</gnuplot_script>



Riccardo (Jack) Lucchetti
Dipartimento di Economia
Università Politecnica delle Marche

r.lucchetti@univpm.it
http://www.econ.univpm.it/lucchetti

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