grodvi
GRODVI(1) GRODVI(1)
NAME
grodvi - convert groff output to TeX dvi format
SYNOPSIS
grodvi [ -dv ] [ -wn ] [ -Fdir ] [ files... ]
It is possible to have whitespace between a command line option and
its parameter.
DESCRIPTION
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/groff/1.18.1.1/tmac/dvi.tmac; if the
input is being preprocessed with eqn it will also input
/usr/share/groff/1.18.1.1/font/devdvi/eqnchar.
The dvi file generated by grodvi can be printed by any correctly-writ-
ten 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 \special{anything} in TeX; any-
thing may not contain a newline.
For inclusion of EPS image files, grodvi loads pspic.tmac automati-
cally, providing the PSPIC macro. Please check grops (1) for a
detailed description of this macro.
Font files for grodvi can be created from tfm files using tfmtodit(1).
The font description file should contain the following additional com-
mands:
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.
The default color for \m and \M is black. Currently, the drawing
color for \D commands is always black, and fill color values are
translated to gray.
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.
OPTIONS
-d Do not use tpic specials to implement drawing commands. Hori-
zontal 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. If
this option isn’t specified, the line thickness defaults to
0.04 em.
-Fdir Prepend directory dir/devname to the search path for font and
device description files; name is the name of the device, usu-
ally dvi.
USAGE
There are styles called R, I, B, and BI mounted at font positions 1 to
4. The fonts are grouped into families T and H having members in each
of these styles:
TR CM Roman (cmr10)
TI CM Text Italic (cmti10)
TB CM Bold Extended Roman (cmbx10)
TBI CM Bold Extended Text Italic (cmbxti10)
HR CM Sans Serif (cmss10)
HI CM Slanted Sans Serif (cmssi10)
HB CM Sans Serif Bold Extended (cmssbx10)
HBI CM Slanted Sans Serif Bold Extended (cmssbxo10)
There are also the following fonts which are not members of a family:
CW CM Typewriter Text (cmtt10)
CWI CM Italic Typewriter Text (cmitt10)
Special fonts are MI (cmmi10), S (cmsy10), EX (cmex10), and, perhaps
surprisingly, TR, TI, and CW, due to the different font encodings of
text fonts. For italic fonts, CWI is used instead of CW.
Finally, the symbol fonts of the American Mathematical Society are
available as special fonts SA (msam10) and SB (msbm10). These two
fonts are not mounted by default.
Using the option -mec (loading the file ec.tmac) EC and TC fonts are
used. The design of the EC family is very similar to that of the CM
fonts; additionally, they give a much better coverage of groff sym-
bols. Note that ec.tmac must be called before any language-specific
files; it doesn’t take care of hcode values.
FILES
/usr/share/groff/1.18.1.1/font/devdvi/DESC
Device description file.
/usr/share/groff/1.18.1.1/font/devdvi/F
Font description file for font F.
/usr/share/groff/1.18.1.1/tmac/dvi.tmac
Macros for use with grodvi.
/usr/share/groff/1.18.1.1/tmac/ec.tmac
Macros to switch to EC fonts.
BUGS
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.
SEE ALSO
tfmtodit(1), groff(1), troff(1), groff_out(5), groff_font(5),
groff_char(7)
Groff Version 1.18.1.1 16 September 2002 GRODVI(1)
