NAME

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

SYNOPSIS

        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 |
        # +------+     +--------+

DESCRIPTION

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

METHODS

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

layout()

        $graph->layout();

Layout the actual graph.

_assign_ranks()

        $graph->_assign_ranks();

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

_optimize_layout

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

EXPORT

Exports nothing.

AUTHOR

See the LICENSE file for information.