Sets the shape of node. Possible values can be, among others:
Returns the dot-text that represents the node on which it was called.
Called by GraphViz::Graph's write_dot().
$node->port() is needed to connect from or to ports with edges.
my $nd_one = $graph->node();
my $nd_two = $graph->node();
To install GraphViz::Graph, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell
For more information on module installation, please visit the detailed CPAN module installation guide.