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Man Pages


Manual Reference Pages  -  EQN2GRAPH (1)

NAME

eqn2graph - convert an EQN equation into a cropped image

CONTENTS

Synopsis
Description
Options
Files
Author

SYNOPSIS

eqn2graph [ -unsafe ] [ -format fmt ]

DESCRIPTION

Reads an EQN equation (one line) as input; produces an image file (by default in Portable Network Graphics format) suitable for the Web as output.

Your input EQN code should not have the .EQ/.EN preamble that that normally precedes it within groff(1) macros; nor do you need to have dollar-sign or other delimiters around the equation.

The output image will be a black-on-white graphic clipped to the smallest possible bounding box that contains all the black pixels. By specifying command-line options to be passed to convert(1) you can give it a border, set the background transparent, set the image’s pixel density, or perform other useful transformations.

This program uses eqn(1), groff(1), and the ImageMagick convert(1) program. These programs must be installed on your system and accessible on your $PATH for eqn2graph to work.

OPTIONS

-unsafe Run groff(1) in the ‘unsafe’ mode enabling the PIC macro sh to execute arbitrary commands. The default is to forbid this.
-format fmt
  Specify an output format; the default is PNG (Portable Network Graphics). Any format that convert(1) can emit is supported.
Command-line switches and arguments not listed above are passed to convert(1).

FILES

/usr/local/share/groff/1.18.1/tmac/eqnrc The eqn(1) initialization file.

SEE ALSO

eqn(1), groff(1), gs(1), convert(1).

AUTHOR

Eric S. Raymond <esr@thyrsus.com>.
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Groff Version 1.18.1 EQN2GRAPH (1)

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