On Fri, 3 Sep 2021 17:45:13 +0900, Akira Yokosawa wrote:
> Hi Paul,
>
> When I tried to run gnuplot under formal/data/ on a smallish Fedora
> container image to test the update of Figure 12.10, it failed with
(typo) 12.4
> the error of:
>
> sh: line 1: pfbtops: command not found
> line 0: Command 'pfbtops /usr/share/texlive/texmf-dist/fonts/
> .../uhvr8a.pfb' genereted error, exitcode is 32512
>
> It turned out that I needed to install groff. And gnuplot ran happily.
>
> While I looked formal/data/plot.sh, if I removed the options:
>
> enhanced "NimbusSanL-Regu" fontfile "${font}"
>
> in the first line of gnuplot instructions, gnuplot ran fine without
> groff installed.
>
> I think the fontfile option is for embedding font data into .eps
> files.
>
> Now we are doing .eps -> .pdf conversion via a2ping (or ghostscript),
> so I don't think font embedding is necessary.
>
> Furthermore, gnuplot's default of Helvetica font is overridden on-the-fly
> by fixfonts.sh and its friends.
>
> So there is no concern of embedding Helvetica font in the generated
> pdf figures.
>
> In the test on my side, generated pdf figures have the same font
> properties regardless of the fontfile option.
>
> So I'd like to ask you if it is ok to remove those fontfile options
> in the plot scripts under CodeSamples/.
> Removing them will reduce .eps file size and hopefully might reduce
> time of (the lots of) .eps -> .pdf conversions.
>
> Side note: plot.sh under formal/data should be moved under
> CodeSamples/formal/ for the sake of consistency, I suppose.
>
> Thanks, Akira
>
