grodvi - convert groff output to TeX dvi format
grodvi [ -dv ] [ -wn ] [ -Fdir ] [ files... ]
It is possible to have whitespace between a command line
option and its parameter.
grodvi is a driver for groff that produces TeX dvi format.
Normally it should be run by groff -Tdvi. This will run
troff -Tdvi; it will also input the macros
/usr/share/tmac/tmac.dvi; if the input is being preprocessed
with eqn it will also input
/usr/share/groff_font/devdvi/eqnchar.
The dvi file generated by grodvi can be printed by any
correctly-written dvi driver. The troff drawing primitives
are implemented using the tpic version 2 specials.
If the driver does not support these, the \D commands will
not produce any output.
There is an additional drawing command available:
\D'R dh dv'
Draw a rule (solid black rectangle), with one corner
at the current position, and the diagonally
opposite corner at the current position +(dh,dv).
Afterwards the current position will be at the
opposite corner. This produces a rule in the dvi
file and so can be printed even with a driver that
does not support the tpic specials unlike the other
\D commands.
The groff command \X'anything' is translated into the same
command in the dvi file as would be produced by \spe-
cial{anything} in TeX; anything may not contain a newline.
Font files for grodvi can be created from tfm files using
tfmtodit(1). The font description file should contain the
following additional commands:
internalname name
The name of the tfm file (without the .tfm
extension) is name.
checksum n The checksum in the tfm file is n.
designsize n The designsize in the tfm file is n.
These are automatically generated by tfmtodit.
In troff the \N escape sequence can be used to access
characters by their position in the corresponding tfm
file; all characters in the tfm file can be accessed this
way.
-d Do not use tpic specials to implement drawing commands.
Horizontal and vertical lines will be
implemented by rules. Other drawing commands will
be ignored.
-v Print the version number.
-wn Set the default line thickness to n thousandths of
an em.
-Fdir Search directory dir/devdvi for font and device
description files.
/usr/share/groff_font/devdvi/DESC
Device description file.
/usr/share/groff_font/devdvi/F
Font description file for font F.
/usr/share/tmac/tmac.dvi
Macros for use with grodvi.
Dvi files produced by grodvi use a different resolution
(57816 units per inch) to those produced by TeX. Incorrectly
written drivers which assume the resolution used by
TeX, rather than using the resolution specified in the dvi
file will not work with grodvi.
When using the -d option with boxed tables, vertical and
horizontal lines can sometimes protrude by one pixel.
This is a consequence of the way TeX requires that the
heights and widths of rules be rounded.
tfmtodit(1), groff(1), troff(1), groff_out(5),
groff_font(5), groff_char(7)
Groff Version 1.16.1 April 8, 2001 GRODVI(1)
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