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NAME

       gml2gv - GML-DOT converter

SYNOPSIS

       gml2gv [ -?  ] [ -ooutfile ] [ files ]

DESCRIPTION

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

OPTIONS

       The following options are supported:

       -?     Prints usage information and exits.

       -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
       significantly, the conversion is at best approximate. In particular, it
       is  not  clear  how multiedges are differentiated in GML, so multiedges
       are created in GV  with  no  user-available  key.  Also,  no  attribute
       information  is  lost, in that any GML attributes that aren’t converted
       to GV equivalents are retained as attributes in the output graph.

AUTHORS

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

SEE ALSO

       dot(1), libcgraph(3)

                                  9 July 2009