1 digraph LocalAttribute {

     2   mindist = 2.0

     3   1 -> 2 [label="annotation"]

     4   1 -> 3 [label="simpleType"]

     5   2 -> 3 [label="simpleType"]

     6   1 [shape=doublecircle, style=filled, color=blue]

     7   2 [shape=doublecircle, style=filled, color=green]

     8   3 [shape=doublecircle, style=filled, color=green]

     9 }