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Graph::Easy::Layout.3pm

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.

SEE ALSO

Graph::Easy.

AUTHOR

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

See the LICENSE file for information.