# File lib/graphviz/family_tree/person.rb, line 84 def is_divorced_with( x ) node = @graph.add_node( "#{@node.id}And#{x.node.id}" ) node["shape"] = "point" node["color"] = "red" @graph.add_edge( @node, node, "dir" => "none", "color" => "red" ) @graph.add_edge( node, x.node, "dir" => "none", "color" => "red" ) @tree.add_couple( self, x, node ) end