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GRAP2GRAPH(1)									    GRAP2GRAPH(1)

NAME
       grap2graph - convert a grap diagram into a cropped bitmap image

SYNOPSIS
       grap2graph [ -unsafe ] [ -resolution M|MxN ] [ -format fmt ]

DESCRIPTION
       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  bound-
       ing  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.

OPTIONS
       -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 for-
	      mat that convert(1) can emit is supported.

       Command-line switches and arguments not listed above are passed to convert(1).

ENVIRONMENT
       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.

SEE ALSO
       pic2graph(1), eqn2graph(1), pic(1), groff(1), gs(1), convert(1).

AUTHOR
       Eric S. Raymond <esr@thyrsus.com>

Groff Version 1.22.2			 7 February 2013			    GRAP2GRAPH(1)
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