eqn2graph(1) General Commands Manual eqn2graph(1)
eqn2graph - convert an eqn equation into a cropped image
eqn2graph [-format output-format] [convert-arguments] eqn2graph --help eqn2graph -v eqn2graph --version
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.
--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.
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.
eqn2graph was written by Eric S. Raymond ⟨email@example.com⟩, based on a recipe for pic2graph(1), by W. Richard Stevens.
pic2graph(1), grap2graph(1), eqn(1), groff(1), convert(1)
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Pages that refer to this page: grap2graph(1), groff(1), pic2graph(1)