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GRODVI

Section: User Commands (1)
Updated: 4 November 2014
Index Return to Main Contents
 

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/groff/1.22.3/tmac/dvi.tmac.

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 [rs]D commands will not produce any output.

There is an additional drawing command available:

[rs]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 [rs]D commands.

The groff command [rs]X'anything' is translated into the same command in the dvi file as would be produced by [rs]special{anything} in TeX; anything 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 commands: u+2n

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 [rs]m and [rs]M is black. Currently, the drawing color for [rs]D commands is always black, and fill color values are translated to gray.

In troff the [rs]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[aq]t care about physical dimensions of the output medium. Instead, grodvi emits the equivalent to tx][aq]s [rs]special{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. Horizontal 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, usually dvi.
-l
Specify landscape orientation.
-ppapersize
Specify paper dimensions. This overrides the papersize, paperlength, 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[aq]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 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[aq]t take care of hcode values.  

ENVIRONMENT

GROFF_FONT_PATH
A list of directories in which to search for the devname directory in addition to the default ones. See troff(1) and groff_font(5) for more details.
 

FILES

/usr/share/groff/1.22.3/font/devdvi/DESC
Device description file.
/usr/share/groff/1.22.3/font/devdvi/F
Font description file for font F.
/usr/share/groff/1.22.3/tmac/dvi.tmac
Macros for use with grodvi.
/usr/share/groff/1.22.3/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)  

COPYING

Copyright [co] 1989-2014 Free Software Foundation, Inc.

Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.

Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions, except that this permission notice may be included in translations approved by the Free Software Foundation instead of in the original English.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
USAGE
ENVIRONMENT
FILES
BUGS
SEE ALSO
COPYING


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