# 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)" ]
}