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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ENVIRONMENT | AUTHORS | SEE ALSO | COLOPHON |
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GRAP2GRAPH(1) General Commands Manual GRAP2GRAPH(1)
grap2graph - convert a grap diagram into a cropped bitmap image
grap2graph [ -unsafe ] [ -resolution M|MxN ] [ -format fmt ]
Reads a grap program as input; produces an image file (by default in
Portable Network Graphics format) suitable for the Web as output.
For a description of the grap language, see grap(1).
Your graph specification should not be wrapped with the .G1 and .G2
macros that normally guard it within groff(1) macros.
The output image will be a black-on-white graphic clipped to the
smallest possible bounding box that contains all the black pixels.
By specifying command-line options to be passed to convert(1) you can
give it a border, set the background transparent, set the image's
pixel density, or perform other useful transformations.
This program uses grap(1), pic(1), groff(1), and the ImageMagick
convert(1) program. These programs must be installed on your system
and accessible on your $PATH for grap2graph to work.
-unsafe
Run pic(1) and groff(1) in the “unsafe” mode enabling the PIC
macro sh to execute arbitrary commands. The default is to
forbid this.
-format fmt
Specify an output format; the default is PNG (Portable Network
Graphics). Any format that convert(1) can emit is supported.
Command-line switches and arguments not listed above are passed to
convert(1).
GROFF_TMPDIR
The directory in which temporary files will be created. If
this is not set grap2graph searches the environment variables
TMPDIR, TMP, and TEMP (in that order). Otherwise, temporary
files will be created in /tmp.
grap2graph was written by Eric S. Raymond ⟨esr@thyrsus.com⟩.
pic2graph(1), eqn2graph(1), pic(1), groff(1), gs(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 2018-02-02. (At that
time, the date of the most recent commit that was found in the repos‐
itory was 2018-02-02.) 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 man-pages@man7.org
Groff Version 1.22.3 24 November 2017 GRAP2GRAPH(1)
Pages that refer to this page: eqn2graph(1), groff(1), pic2graph(1)
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