graph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "tool" -- "lib/ace" [label=" 3 ", penwidth="3", color="#00688b82"];
    "ROOT" -- "lib/ace" [label=" 2 ", penwidth="2", color="#00688b70"];
    "api" -- "tool" [label=" 2 ", penwidth="2", color="#00688b70"];
    "api/resources" -- "tool" [label=" 2 ", penwidth="2", color="#00688b70"];
    "api/resources" -- "api" [label=" 2 ", penwidth="2", color="#00688b70"];
    "doc/site" -- "tool" [label=" 2 ", penwidth="2", color="#00688b70"];
    "doc/site" -- "api" [label=" 2 ", penwidth="2", color="#00688b70"];
    "doc/site" -- "api/resources" [label=" 2 ", penwidth="2", color="#00688b70"];

}