man > EQN2GRAPH

eqn2graph(1)                           General Commands Manual                          eqn2graph(1)

Name
       eqn2graph - convert an eqn equation into a cropped image

Synopsis
       eqn2graph [-format output-format] [convert-argument ...]

       eqn2graph --help

       eqn2graph -v
       eqn2graph --version

Description
       eqn2graph  reads a one-line eqn(1) equation from the standard input and writes an image file,
       by default in Portable Network Graphics (PNG) format, to the standard output.

       The input EQN code should not be preceded by the .EQ macro that normally precedes  it  within
       groff(1) macros; nor do you need to have dollar-sign or other delimiters around the equation.

       Arguments not recognized by eqn2graph are passed to the ImageMagick or GraphicsMagick program
       convert(1).   By  specifying  these,  you can give your image a border, set the image's pixel
       density, or perform other useful transformations.

       The output image is clipped using convert's -trim option to the  smallest  possible  bounding
       box that contains all the black pixels.

Options
       --help  displays  a  usage message, while -v and --version show version information; all exit
       afterward.

       -format output-format
              Write the image in output-format, which must be understood by convert; the default  is
              PNG.

Environment
       GROFF_TMPDIR
       TMPDIR
       TMP
       TEMP   These environment variables are searched in the given order to determine the directory
              where temporary files will be created.  If none are set, /tmp is used.

Authors
       eqn2graph  was  written by Eric S. Raymond, based on a recipe for pic2graph(1), by W. Richard
       Stevens.

See also
       pic2graph(1), grap2graph(1), eqn(1), groff(1), convert(1)

groff 1.23.0                                31 March 2024                               eqn2graph(1)