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GRODVI(1)							     GRODVI(1)

NAME
       grodvi -	convert	groff output to	TeX dvi	format

SYNOPSIS
       grodvi [	-dlv ] [ -Fdir ] [ -ppapersize ] [ -wn ] [ 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	in /usr/share/tmac/dvi.tmac.

       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.

       For inclusion of	EPS image files, -Tdvi loads pspic.tmac	automatically,
       providing  the  PSPIC macro.  Please check groff_tmac(5)	for a detailed
       description.

       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.

       By design, the DVI format doesn't care about physical dimensions	of the
       output medium.  Instead,	grodvi emits the  equivalent  to  TeX's	 \spe-
       cial{papersize=width,length}  on	 the  first  page; dvips (and possibly
       other DVI drivers) then sets the	page size accordingly.	If either  the
       page width or length is not positive, no	papersize special is output.

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.

       -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.

       -l     Specify landscape	orientation.

       -ppapersize
	      Specify  paper dimensions.  This overrides the papersize,	paper-
	      length, and paperwidth commands in the DESC file;	it accepts the
	      same  arguments  as the papersize	command	(see groff_font(5) for
	      details).

       -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.

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),	 SC  (cmtex10,
       only  for  CW),	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	(which loads the file ec.tmac) provides	the EC
       and TC fonts.  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_font/devdvi/DESC
	      Device description file.

       /usr/share/groff_font/devdvi/F
	      Font description file for	font F.

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

       /usr/share/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_tmac(5)

Groff Version 1.19.2		16 January 2014			     GRODVI(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | USAGE | FILES | BUGS | SEE ALSO

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