{
  "farmland": [],
  "built-up": [],
  "meadow": [],
  "forest": [],
  "water": [
    [
      0,
      0,
      75,
      100
    ],
    [
      50,
      0,
      85,
      30
    ],
    [
      0,
      0,
      20,
      60
    ]
  ]
}