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Message from discussion Calligraphic fonts in Gnuplot 4.2
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Ethan Merritt  
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 More options Aug 9 2007, 11:51 am
Newsgroups: comp.graphics.apps.gnuplot
From: merr...@u.washington.edu (Ethan Merritt)
Date: Thu, 9 Aug 2007 08:51:02 -0700 (PDT)
Local: Thurs, Aug 9 2007 11:51 am
Subject: Re: Calligraphic fonts in Gnuplot 4.2
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In article <5i0aacF3li78...@mid.individual.net>,
Ingo Thies  <ingo.th...@gmx.de> wrote:

>Ethan Merritt wrote:

>> You can use TeX fonts (computer modern) in postscript.
>> See the 'fontfile' demo.

>Where can I find it? I cannot find it on the Gnuplot Demo web page.

It comes with the gnuplot distribution package.  There is a separate
demo directory.  The web page does not contain interactive demos,
demos the require a specific (non-png) terminal type, etc.  In particular
it does not contain postscript-only demos, because the images on the
web site are not in postscript.

>And where can I find the calligraphic fonts, i.e. which file(s) I have
>to look for? I normally only use fonts from within LaTeX, so I have no
>idea about how they are organized in files.

The TeX font is called "Computer Modern".  *.pfa *.pfb and *.ttf files
are available from a number of places, but www.ctan.org is probably the
definitive site. You may well have them on your machine already.
For example, "cmmi10.pfb" is a postscript font file containing
Computer Modern Italic 10pt character glyphs.

>> This is more likely to be a limitation in your viewer or printer than
>> something in gnuplot.  Gnuplot's postscript driver simply includes a
>> line in the output that says "use font such-and-such".
>> It is then up to the printer or display program to find that font.

>At least Gnuplot doesn't give an error message about missing or
>undefined fonts. Or are fonts normally not included but only referenced
>to in postscript files?

Correct.  In the PostScript file it says something like

   /Helvetica findfont

which tells the printer (or viewer) to go find a font named Helvetica.
The file doesn't normally provide it.  But for the Computer Modern fonts
you probably would have to provide it; that's what the "fontfile"
option is there for.

The specific demo is called fontfile_latex.dem, and it starts with the
following help text:

 On unix systems with a teTeX installation at least "cmmi10.pfb" should be
 found automatically.
 If not, they can be downloaded from the net:
 ftp://ftp.dante.de/tex-archive/fonts/ps-type1/cm-super/pfb/sfrm1000.pfb
 ftp://ftp.dante.de/tex-archive/fonts/cm/ps-type1/bluesky/pfb/cmmi10.pfb
 Please put the files "sfrm1000.pfb" and "cmmi10.pfb"
 somewhere they are found, e.g. into the working directory.

--
Ethan A Merritt


 
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