Graph::Easy::Layout - Layout the graph from Graph::Easy

	use Graph::Easy;

	my $graph = Graph::Easy->new();

	my $bonn = Graph::Easy::Node->new(
		name => 'Bonn',
	);
	my $berlin = Graph::Easy::Node->new(
		name => 'Berlin',
	);

	$graph->add_edge ($bonn, $berlin);

	$graph->layout();

	print $graph->as_ascii( );

	# prints:

	# +------+     +--------+
	# | Bonn | --> | Berlin |
	# +------+     +--------+

Graph::Easy::Layout contains just the actual layout code for Graph::Easy.

Graph::Easy::Layout injects the following methods into the Graph::Easy namespace:

	$graph->layout();

Layout the actual graph.

	$graph->_assign_ranks();

Used by layout() to assign each node a rank, so they can be sorted and grouped on these.

Used by layout() to optimize the layout as a last step.

Exports nothing.

Graph::Easy.

Copyright (C) 2004 - 2008 by Tels http://bloodgate.com

See the LICENSE file for information.