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GRODVI(1)										GRODVI(1)

       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/groff/1.18.1/tmac/dvi.tmac; if the input is being preprocessed with eqn it will
       also input /usr/share/groff/1.18.1/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 spe-
	      cials 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  descrip-
       tion 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.

       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.

       -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.   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.

       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 bet-
       ter coverage of groff symbols.  Note that ec.tmac must be called before any  language-spe-
       cific files; it doesn't take care of hcode values.

	      Device description file.

	      Font description file for font F.

	      Macros for use with grodvi.

	      Macros to switch to EC fonts.

       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 1.18.1			16 September 2002				GRODVI(1)
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