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Groups > comp.graphics.apps.gnuplot > #4464

Re: Greek Characters in GnuPlot EPS output files

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On 11.04.2022 18:21, Martin Brown wrote:
> On 11/04/2022 08:46, Jörg Buchholz wrote:
>> On 07.04.2022 15:22, Martin Brown wrote:
>>> I'm very much a beginner with Gnuplot and although I can get it to do
>>> most things now. But I have struggled totally with getting Greek
>>> characters alpha, beta, gamma, delta and pi to render.
>>>
>>> I need to produce Postscript graph output for publication and it has to
>>> work with MNRAS manuscript templates. I can examine the EPS output from
>>> enhanced mode and see the following plausible encoding in the text but
>>> it still renders as ASCII characters when the LaTex processes it.
>>>
>>> setrgbcolor
>>> 3106 1050 M
>>> [ /Symbol reencodeCP1252 def
>>> [(Symbol) 140.0 0.0 true true 0 (a)]
>>> [(Helvetica) 140.0 0.0 true true 0 (=0.5, )]
>>> [(Symbol) 140.0 0.0 true true 0 (g)]
>>> [(Helvetica) 140.0 0.0 true true 0 (=0.2)]
>>> ]
>>
>> What termina ldo you use for the output?
>>
>> set label "{/Symbol a b c d e}" at 0.5,0.5
>> set term post enhanced
>> set out 'ps-test-greek.ps'
>> plot sin(x)
>> set out
>>
>> produce a graph with Greek characters as a Postscript-File. You must
>> used the enhanced option for this.
> 
> Thanks for your help and the suggested example. I suspect there must be
> a font missing somewhere but I don't know where or how to provide it.
> 
> I see exactly the same thing rendered with your example as with mine.
> 
> It renders without any reported errors and I see 5 faint black line
> rectangles where the labels should be starting at (0.0, 0.5). I estimate
> the line width of the rectangles to be about 1/3 that of the sine curve.
>  _
> |_|

Do you have Greek characters in other Software? In a word processing
software? What is your OS and what version of gnuplot do you use.

I agree with you, it sounds like a generally font problem on your machine.

If your LaTeX can produce Greek characters you can use the the
"cairolatex" terminal. Then the labels will generated by LaTeX.

Example:
set label '{${\alpha \beta \gamma \delta}$}' at 0.5,0.5
set term cairolatex eps standalone
set out 'greek-eps-latex.tex'
plot sin(x)
set out

Than you get a eps-file without any labels and a tex-file with the
labels. If you compile the tex_file (something like "pdflatex
greek-eps-latex.tex") you get a pdf-file with the graph and the labels.

Jörg

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Greek Characters in GnuPlot EPS output files Martin Brown <'''newspam'''@nonad.co.uk> - 2022-04-07 14:22 +0100
  Re: Greek Characters in GnuPlot EPS output files Jörg Buchholz <bookwood4new@freenet.de> - 2022-04-11 09:46 +0200
    Re: Greek Characters in GnuPlot EPS output files Martin Brown <'''newspam'''@nonad.co.uk> - 2022-04-11 17:21 +0100
      Re: Greek Characters in GnuPlot EPS output files Jörg Buchholz <bookwood4new@freenet.de> - 2022-04-12 07:59 +0200
        Re: Greek Characters in GnuPlot EPS output files Martin Brown <'''newspam'''@nonad.co.uk> - 2022-04-12 18:01 +0100
          Re: Greek Characters in GnuPlot EPS output files Jörg Buchholz <bookwood4new@freenet.de> - 2022-04-13 07:48 +0200
            Re: Greek Characters in GnuPlot EPS output files Martin Brown <'''newspam'''@nonad.co.uk> - 2022-04-13 16:57 +0100
              Re: Greek Characters in GnuPlot EPS output files Jörg Buchholz <bookwood4new@freenet.de> - 2022-04-14 13:57 +0200
                Re: Greek Characters in GnuPlot EPS output files Martin Brown <'''newspam'''@nonad.co.uk> - 2022-04-16 11:47 +0100
                Re: Greek Characters in GnuPlot EPS output files Jörg Buchholz <bookwood4new@freenet.de> - 2022-04-19 06:55 +0200

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