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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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Name | Synopsis | Description | Options | Environment | Authors | See also | COLOPHON |
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pic2graph(1) General Commands Manual pic2graph(1)
pic2graph - convert a pic diagram into a cropped image
pic2graph [-unsafe] [-format output-format] [-eqn delimiters]
[convert-argument ...]
pic2graph --help
pic2graph -v
pic2graph --version
pic2graph reads a pic(1) program from the standard input and
writes an image file, by default in Portable Network Graphics
(PNG) format, to the standard output. It furthermore translates
eqn(1) constructs, so it can be used to generate images of
mathematical formulae.
The input PIC code should not be wrapped with the .PS and
.PE/.PF/.PY macros that normally guard it within groff(1)
documents.
Arguments not recognized by pic2graph 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.
-eqn delimiters
Use delimiters as the opening and closing characters that
delimit eqn directives; the default is “$$”. The option
argument delimiters should be a two-character string, but
an empty string ("") is accepted as a directive to disable
eqn processing.
-format output-format
Write the image in output-format, which must be understood
by convert; the default is PNG.
-unsafe
Run groff in unsafe mode, enabling the PIC command sh to
execute arbitrary Unix shell commands. The groff default
is to forbid this.
GROFF_TMPDIR
TMPDIR
TMP
TEMP These environment variables are searched in the order shown
to determine the directory where temporary files will be
created. If none are set, /tmp is used.
pic2graph was written by Eric S. Raymond ⟨[email protected]⟩, based
on a recipe by W. Richard Stevens.
W. Richard Stevens, Turning PIC into HTML
⟨http://www.kohala.com/start/troff/pic2html.html⟩
eqn2graph(1), grap2graph(1), pic(1), eqn(1), groff(1), convert(1)
This page is part of the groff (GNU troff) project. Information
about the project can be found at
⟨http://www.gnu.org/software/groff/⟩. If you have a bug report for
this manual page, see ⟨http://www.gnu.org/software/groff/⟩. This
page was obtained from the project's upstream Git repository
⟨https://git.savannah.gnu.org/git/groff.git⟩ on 2025-08-11. (At
that time, the date of the most recent commit that was found in
the repository was 2025-08-09.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
groff 1.23.0.3821-a8b3f 2025-08-09 pic2graph(1)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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