[OT] gnuplot quality (was Re: org-plot file export options)

[Eric S Fraga <ucecesf@ucl.ac.uk>]

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On Fri, 11 Jun 2010 13:35:52 -0700, "Eric Schulte" <schulte.eric@gmail.com> wrote:

[...]

> WRT: the ugliness of gnuplot to file, I've wrestled with this myself and
> I know exactly what you mean.  Currently I try to use svg or png images
> when exporting to html, and for pdf I use the gnuplot tikz terminal [2].

John & Eric,

Another approach, which I use and which doesn't require using the
development version of gnuplot for the tikz support, is to generate
encapsulated postscript files:

  set terminal postscript eps enhanced 20
  set output "graph.eps"

for instance.  Then, if I need bitmap images, I use "convert" from
ImageMagick to create these from the EPS files with the required
density (depending on intended use, whether screen display or
printing), as in

  convert -quality 95 -density 300 graph.eps graph.png

With EPS, you can get very nice looking text, especially with the
"enhanced" gnuplot set terminal option and the result is size
independent.

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-- 
Eric S Fraga
GnuPG: 8F5C 279D 3907 E14A 5C29  570D C891 93D8 FFFC F67D

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