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GML2GV,GV2GML(1)	    General Commands Manual	      GML2GV,GV2GML(1)

NAME
       gml2gv,gv2gml - GML-DOT converters

SYNOPSIS
       gml2gv [	-?v ] [	-ggname	] [ -ooutfile ]	[ files	]
       gv2gml [	-?  ] [	-ooutfile ] [ files ]

DESCRIPTION
       gml2gv  converts	 a graph specified in the GML format to	a graph	in the
       GV (formerly DOT) format.  gv2gml converts a graph specified in the  GV
       format to a graph in the	GML format.

OPTIONS
       The following options are supported:

       -v     Turns on verbose mode

       -?     Prints usage information and exits.

       -ggname
	      The string gname is used as the name of the generated graph.  If
	      multiple graphs are generated, subsequent	graphs	use  the  name
	      gname appended with an integer.

       -ooutfile
	      Prints  output  to  the  file outfile. If	not given, gml2gv uses
	      stdout.

       OPERANDS
	      The following operand is supported:

       files   Names of	files containing 1 or more graphs in GML.  If no files
	       operand is specified, the standard input	will be	used.

RETURN CODES
       Return  0  if there were	no problems during conversion; and non-zero if
       any error occurred.

LIMITATIONS
       As both the graph and graphics models of	GV  and	 GML  differ  signifi-
       cantly, the conversion is at best approximate. In particular, it	is not
       clear how multiedges are	differentiated in GML, so multiedges are  cre-
       ated  in	 GV with no user-available key.	Also, no attribute information
       is lost,	in that	any GML	attributes that	aren't converted to GV equiva-
       lents are retained as attributes	in the output graph.

       At  present,  gv2gml  does not support subgraphs	and clusters. In addi-
       tion, there does	not appear to be a standard mechanism  for  specifying
       default node and	edge attributes	in GML,	so any attributes are repeated
       for every node and edge.

AUTHORS
       Emden R.	Gansner	<erg@research.att.com>

SEE ALSO
       dot(1), libcgraph(3)

				 24 June 2011		      GML2GV,GV2GML(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | RETURN CODES | LIMITATIONS | AUTHORS | SEE ALSO

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