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GFTODVI.1
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GFTODVI(1) UNIX 5.3 (8/8/90) GFTODVI(1)
NAME
gftodvi - make proofsheets from generic font files
SYNOPSIS
gftodvi [gf_file_name]
DESCRIPTION
The gftodvi program converts a generic font (GF) file output
by, for example, mf(1), to a device independent (DVI) file
that can be typeset using the same software as for TeX
output. The characters in the GF file will appear one per
page, with labels, titles, and annotations as specified in
Appendix H (Hardcopy Proofs) of The METAFONTbook.
GFtoDVI uses other fonts in addition to the main GF file. A
`gray' font is used to typeset the pixels that actually make
up the character. (We wouldn't want all the pixels to be
simply black, since then labels, key points, and other
information would be lost.) A `title' font is used for the
information at the top of the page. A `label' font is used
for the labels on key points of the figure. A `slant' font
is used to typeset diagonal lines, which otherwise have to
be simulated using horizontal and vertical rules. The
default gray, title, and label fonts are gray, cmr8, and
cmtt10, respectively; there is no default slant font.
To change the default fonts, you can give special commands
in your Metafont source file, or you can change the fonts
online. An online dialog ensues if you end the gf_file_name
with a `/'. For example,
gftodvi io.300gf/
Special font substitution: grayfont black
OK; any more? grayfontarea /home/art/don/
OK; any more? slantfont /home/fonts/slantimagen6
OK; any more? <RET>
will use /home/art/don/black as the `gray' font and
/home/fonts/slantimagen6 as the `slant' font (this name
indicates a font for lines with slope 1/6 at the resolution
of an Imagen printer).
The gf_file_name on the command line must be complete. (The
program prompts you for it if you don't give it.) Because
the resolution is part of the extension, it would not make
sense to add on a default extension as is done with TeX or
DVI-reading software. The output file name defaults to the
same root as the gf file, with the `dvi' extension added.
For example, the input file io.2602gf would become io.dvi.
ENVIRONMENT VARIABLES
gftodvi uses the environment variable GFFONTS to search for
the GF file. If GFFONTS is not set, it uses the variable
TEXFONTS. If TEXFONTS is not set, it uses the system
Page 1 (printed 12/3/90)
GFTODVI(1) UNIX 5.3 (8/8/90) GFTODVI(1)
default: .
The TEXFONTS environment variable is used to find the TFM
files that the program needs. If TEXFONTS is not set, the
system default above is used. See tex(1) for the details of
the searching.
FILES
/usr/local/lib/tex/fonts/{gray.tfm,...} the default fonts
/usr/local/lib/mf/macros/{gray.mf,...} the Metafont sources
(perhaps)
SEE ALSO
tex(1), mf(1)
Donald Knuth, The METAFONTbook
Donald Knuth et al., METAFONTware
AUTHORS
Donald Knuth wrote the program. It was published as part of
the METAFONTware technical report, available from the TeX
Users Group. Paul Richards originally ported it to Unix.
Page 2 (printed 12/3/90)