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eqn2graph [ -unsafe ] [ -format fmt ]
Reads an EQN equation (one line) as input; produces an image file (by
default in Portable Network Graphics format) suitable for the Web as
Your input EQN code should not have the .EQ/.EN preamble that that nor-
mally precedes it within groff(1) macros; nor do you need to have dol-
lar-sign or other delimiters around the equation.
The output image will be a black-on-white graphic clipped to the small-
est possible bounding box that contains all the black pixels. By spec-
ifying command-line options to be passed to convert(1) you can give it
a border, set the background transparent, set the image's pixel den-
sity, or perform other useful transformations.
This program uses eqn(1), groff(1), and the ImageMagick convert(1) pro-
gram. These programs must be installed on your system and accessible
on your $PATH for eqn2graph to work.
Run groff(1) in the 'unsafe' mode enabling the PIC macro sh to
execute arbitrary commands. The default is to forbid this.
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 con-
The eqn(1) initialization file.
eqn(1), groff(1), gs(1), convert(1).
Eric S. Raymond <firstname.lastname@example.org>.
Groff Version 18.104.22.168 21 August 2002 EQN2GRAPH(1)