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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 troff -Tdvi; it will also input the macros /usr/share/groff/1.18.1.4/tmac/dvi.tmac; if  the  input  is
       being preprocessed with eqn it will also input /usr/share/groff/1.18.1.4/font/devdvi/eqnchar.

       The  dvi file generated by grodvi can be printed by any correctly-written dvi driver.  The troff drawing primi-
       tives 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 oppo-
              site 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; anything may not contain a newline.

       For  inclusion  of  EPS  image files, grodvi loads pspic.tmac automatically, 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  con-
       tain 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.

       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.  Horizontal and vertical lines will be imple-
              mented 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, usually 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  symbols.   Note  that
       ec.tmac must be called before any language-specific files; it doesn't take care of hcode values.

FILES
       /usr/share/groff/1.18.1.4/font/devdvi/DESC
              Device description file.

       /usr/share/groff/1.18.1.4/font/devdvi/F
              Font description file for font F.

       /usr/share/groff/1.18.1.4/tmac/dvi.tmac
              Macros for use with grodvi.

       /usr/share/groff/1.18.1.4/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 1.18.1.4         16 September 2002                     GRODVI(1)