{
  "format": "pipediagram",
  "version": 1,
  "nodes": [
    { "id": "11111111-0000-0000-0000-000000000001", "type": "water_source", "pos": [-400, 0],
      "props": { "title": "Intake", "supply": 24.0 } },
    { "id": "11111111-0000-0000-0000-000000000002", "type": "pump", "pos": [-240, 0],
      "props": { "title": "P-101" } },
    { "id": "11111111-0000-0000-0000-000000000003", "type": "junction", "pos": [-70, 10] },
    { "id": "11111111-0000-0000-0000-000000000004", "type": "tank", "pos": [60, -160],
      "props": { "title": "T-1" } },
    { "id": "11111111-0000-0000-0000-000000000005", "type": "consumer", "pos": [120, 0],
      "props": { "title": "District A", "demand": 15.0 } },
    { "id": "11111111-0000-0000-0000-000000000006", "type": "consumer", "pos": [60, 160],
      "props": { "title": "District B", "demand": 9.0 } },
    { "id": "11111111-0000-0000-0000-000000000007", "type": "generator", "pos": [-400, -200],
      "props": { "title": "G-1" } },
    { "id": "11111111-0000-0000-0000-000000000008", "type": "load", "pos": [-60, -300],
      "props": { "title": "Aux load", "demand": 20.0 } }
  ],
  "edges": [
    { "id": "22222222-0000-0000-0000-000000000001",
      "from": "11111111-0000-0000-0000-000000000001", "fromPort": "out",
      "to": "11111111-0000-0000-0000-000000000002", "toPort": "in",
      "props": { "diameter": 150, "length": 25 } },
    { "id": "22222222-0000-0000-0000-000000000002",
      "from": "11111111-0000-0000-0000-000000000002", "fromPort": "out",
      "to": "11111111-0000-0000-0000-000000000003", "toPort": "w",
      "props": { "diameter": 150, "length": 40 } },
    { "id": "22222222-0000-0000-0000-000000000003",
      "from": "11111111-0000-0000-0000-000000000003", "fromPort": "n",
      "to": "11111111-0000-0000-0000-000000000004", "toPort": "in",
      "props": { "diameter": 100, "length": 30, "title": "to tank" } },
    { "id": "22222222-0000-0000-0000-000000000004",
      "from": "11111111-0000-0000-0000-000000000003", "fromPort": "e",
      "to": "11111111-0000-0000-0000-000000000005", "toPort": "in",
      "props": { "diameter": 100, "length": 60 } },
    { "id": "22222222-0000-0000-0000-000000000005",
      "from": "11111111-0000-0000-0000-000000000003", "fromPort": "s",
      "to": "11111111-0000-0000-0000-000000000006", "toPort": "in",
      "props": { "diameter": 80, "length": 45 } },
    { "id": "22222222-0000-0000-0000-000000000006",
      "from": "11111111-0000-0000-0000-000000000007", "fromPort": "out",
      "to": "11111111-0000-0000-0000-000000000002", "toPort": "pwr",
      "props": {} },
    { "id": "22222222-0000-0000-0000-000000000007",
      "from": "11111111-0000-0000-0000-000000000007", "fromPort": "out",
      "to": "11111111-0000-0000-0000-000000000008", "toPort": "in",
      "props": { "title": "aux feeder" } }
  ]
}