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Re: [Groff] computer modern fonts in EQN with Tps?
From: |
Tadziu Hoffmann |
Subject: |
Re: [Groff] computer modern fonts in EQN with Tps? |
Date: |
Sat, 12 Apr 2008 02:54:22 +0200 |
User-agent: |
Mutt/1.5.16 (2007-06-09) |
> In the past, I've played with the dvi backend, which doesn't seem to
> be very actively supported but works nonetheless. Try compiling your
> file with -Tdvi, and then use dvipdfm to produce the pdf. Everything
> will be in CM, and the mathematics looks better than -Tps (perhaps a
> subjective impression, since I am used to seeing CM mathematics).
For the curious, here's a little comparison of some simple
equations in different fonts:
http://www.usm.uni-muenchen.de/people/hoffmann/roff/math-compare.pdf
Things to note:
1. TeX can use a different font for (sub/super)-scripts and for
(sub/super)-script-(sub/super)-scripts (e.g., CMMI10 for
normal-size text, CMMI7 for subscripts, and CMMI5 for
subscript subscripts). Question to the list: would we want
to support a similar feature in eqn? Now that Adobe is
beginning to put a larger number of "opticals" on the
market, this may become more relevant. TeX has supported
the use of "opticals" since its inception. (E.g., CMMI5 is
fatter and wider than CMMI10 at the same size.)
2. groff -Tdvi uses Computer Modern Text Italic for the math
instead of Math Italic (Math Italic is a bit wider than
Text Italic). For some obscure reason, the letters in
CMMI are not encoded.
3. By default, TeX puts much more generous spacing around
matrices than does groff+eqn.
4. On my computer there is a bug in the combination groff -Tdvi
and dvipdfm which causes fraction bars to be drawn too
thin. groff -Tdvi with dvips and ghostscript works okay,
as does dvipdfm with TeX.
5. The last page shows off some cool stuff one can do passing
the time playing around with eqn+troff+grops instead of
doing useful work. (I had to choose an example without
braces because I haven't gotten around to drawing braces
yet.)
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