groff (1.23.0)
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Usage
Versionspic2graph(1) General Commands Manual pic2graph(1)
Name
pic2graph - convert a pic diagram into a cropped image
Synopsis
pic2graph [-unsafe] [-format output-format] [-eqn delimiters] [convert-argument ...]
pic2graph --help
pic2graph -v
pic2graph --version
Description
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
for generating images of mathematical formulae.
The input PIC code should not be wrapped with the .PS and .PE/.PF 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 trans‐
formations.
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.
-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.
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
pic2graph was written by Eric S. Raymond ⟨esr@thyrsus.com⟩, based on a recipe by W. Richard Stevens.
See also
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)
groff 1.23.0 2 July 2023 pic2graph(1)
Name
pic2graph - convert a pic diagram into a cropped image
Synopsis
pic2graph [-unsafe] [-format output-format] [-eqn delimiters] [convert-argument ...]
pic2graph --help
pic2graph -v
pic2graph --version
Description
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
for generating images of mathematical formulae.
The input PIC code should not be wrapped with the .PS and .PE/.PF 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 trans‐
formations.
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.
-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.
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
pic2graph was written by Eric S. Raymond ⟨esr@thyrsus.com⟩, based on a recipe by W. Richard Stevens.
See also
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)
groff 1.23.0 2 July 2023 pic2graph(1)