pic2graph(1) - phpMan

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PIC2GRAPH(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-arguments]

       pic2graph --help

       pic2graph -v
       pic2graph --version

DESCRIPTION
       pic2graph  reads a pic(1) program from the standard input and writes an image file, by de-
       fault 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 for-
       mulae.

       The input PIC code should not be wrapped with the .PS and .PE macros that  normally  guard
       it within groff(1) documents.

       Arguments not recognized by pic2graph are passed to the ImageMagick or GraphicsMagick pro-
       gram 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
       -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 process-
              ing.

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

       --help Display a usage message and exit.

       -unsafe
              Run groff in unsafe mode, enabling the PIC command sh  to  execute  arbitrary  Unix
              shell commands.  The groff default is to forbid this.

       -v
       --version
              Display version information and exit.

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

AUTHORS
       pic2graph was written by Eric S. Raymond  <esr AT 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 1.22.4                              23 March 2022                              PIC2GRAPH(1)

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