# dot -Tpng 9_edge_styles.dot -o 9_edge_styles.png
// various edge styles and misc. attributes
digraph G {
  node [style=filled, color=lightsalmon, fontsize=14, fontname="Helvetica"];
  edge [style="setlinewidth(3)"];
  margin="0";
  ratio=auto;
  nodesep=0.2;
  ranksep=0.2;
  clusterrank=local;

  A -> B [ style=solid ]
  B -> C [ style=invis ]
  C -> D [ style=dotted ]
  D -> E [ style=dashed ]
  // bold-dash
  A -> F [ style="setlinewidth(3), dashed" ]
  // setlinewidth(3) => bold
  F -> G [ style="setlinewidth(3)" ]
  // setlinewidth(5) => broad
  G -> H [ style="setlinewidth(5)" ]
  // setlinewidth(11) => wide
  H -> I [ style="setlinewidth(11)" ]
}