grodvi man page on Ultrix

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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 gtroff -Tdvi; it will also
       input the macros	 /freeware/gnu-tools/share/groff/1.17.2/tmac/dvi.tmac;
       if  the input is being preprocessed with geqn it will also input /free‐
       ware/gnu-tools/share/groff/1.17.2/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 cur‐
	      rent 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.

       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.

       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.

       -Fdir  Prepend  directory  dir/devdvi  to  the search path for font and
	      device description files.

FILES
       /freeware/gnu-tools/share/groff/1.17.2/font/devdvi/DESC
	      Device description file.

       /freeware/gnu-tools/share/groff/1.17.2/font/devdvi/F
	      Font description file for font F.

       /freeware/gnu-tools/share/groff/1.17.2/tmac/dvi.tmac
	      Macros for use with grodvi.

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),   gtroff(1),	groff_out(5),	groff_font(5),
       groff_char(7)

Groff Version 1.17.2		 27 June 2001			     GRODVI(1)
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