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CentOS 7.0 - man page for tred (centos section 1)

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TRED(1) 										  TRED(1)

NAME
       tred - transitive reduction filter for directed graphs

SYNOPSIS
       tred [ files ]

DESCRIPTION
       tred computes the transitive reduction of directed graphs, and prints the resulting graphs
       to standard output.  This removes edges implied by transitivity.  Nodes and subgraphs  are
       not otherwise affected.	The ``meaning'' and validity of the reduced graphs is application
       dependent.  tred is particularly useful as a preprocessor to  dot  to  reduce  clutter  in
       dense layouts.

       Undirected graphs are silently ignored.

OPERANDS
       The following operand is supported:

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

BUGS
       Using bitmaps internally would substantially decrease running time.

DIAGNOSTICS
       If a graph has cycles, its transitive reduction is not uniquely	defined.   In  this  case
       tred emits a warning.

AUTHORS
       Stephen C. North <north@research.att.com>
       Emden R. Gansner <erg@research.att.com>

SEE ALSO
       gc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), sccmap(1), libgraph(3)

					  21 March 2001 				  TRED(1)
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