[tex-k] dvips font issue with embedded graphics file

Roderick Johnstone rmj at ast.cam.ac.uk
Wed Jan 18 10:44:18 CET 2012

On 18/01/12 02:18, Karl Berry wrote:
> (Cc-ing for posterity.  Roderick sent me the sample files off-list.)
>     If you look at main.ps you will see that the X-axis title of the
>     graph is missing superscript minus signs - also a letter g is
>     missing from the word "erg". Many of the tick mark labels on the
>     graph are also missing too.
> Thanks for the example.
> The problem I see is that pgplot.epsi says it uses no fonts:
> %%DocumentFonts:
> therefore dvips has no way of knowing what is going on.  It is not a
> PostScript interpreter.  It just parses the %%DocumentFonts: line(s).
> If I edit that line in pgplot.epsi to say:
> %%DocumentFonts: Times-Roman
> and then rerun dvips (+ ps2pdf), all the missing characters appear.
> Looking at the dvips source, it is not immediately clear to me that what
> it does necessarily suffices in all cases, but it does in this one, at
> least for me.
> If there is any way to report or fix the problem in whatever generated
> pgplot.epsi (pgplot, I guess), that would be great.  That is, the
> failure to define any %%DocumentFonts.  Failing that, I suppose -j0 is
> the simplest approach.  But it's not a bug that can be fixed in dvips ...
> Best wishes,
> Karl


Thanks for this analysis.

I'll certainly take the matter up with the guardians of pgplot.


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