This is an example to show how to arrange the layout using hierachical data for the example: http://mbostock.github.com/d3/talk/20111116/bundle.html

flare-imports

[
  {
    "name":"employers.Freelance",
    "imports":[
      "region1.Montrose_High_School",
      "region1.Technology_in_Education",
      "region1.Fandango",
      "region1.ICPA",
      "region1.Showtime",
      "region1.VVF",
      "region1.Team_Tactical"
    ]
  },
  {
    "name":"employers.Bayard",
    "imports":[
      "region2.ADP",
      "region2.Centene",
      "region2.University_of_Kentucky",
      "region2.Hertz",
      "region2.Six_Flags",
      "region2.Kaiser_Permanente",
      "region2.Ball_Aerospace",
    "region1.Montrose_High_School"
    ]
  },
  {
    "name":"region1.Montrose_High_School",
    "imports":[]
  },
  {
    "name":"region1.Technology_in_Education",
    "imports":[]
  },
  {
    "name":"region1.Fandango",
    "imports":[]
  },
  {
    "name":"region1.ICPA",
    "imports":[]
  },
  {
    "name":"region1.Showtime",
    "imports":[]
  },
  {
    "name":"region1.VVF",
    "imports":[]
  },
  {
    "name":"region1.Team_Tactical",
    "imports":[]
  },
  {
    "name":"region2.ADP",
    "imports":[]
  },
  {
    "name":"region2.Centene",
    "imports":[]
  },
  {
    "name":"region2.University_of_Kentucky",
    "imports":[]
  },
  {
    "name":"region2.Hertz",
    "imports":[]
  },
  {
    "name":"region2.Six_Flags",
    "imports":[]
  },
  {
    "name":"region2.Kaiser_Permanente",
    "imports":[]
  },
  {
    "name":"region2.Ball_Aerospace",
    "imports":[]
  }
]