{
  "generator": "tools/build_terrain.py",
  "source": {
    "name": "AWS Terrain Tiles (terrarium)",
    "url": "https://registry.opendata.aws/terrain-tiles/",
    "zoom": 12,
    "underlying": [
      "USGS 3DEP",
      "SRTM",
      "NRCan CDED"
    ],
    "license": "Open data; see AWS Terrain Tiles attribution guidance"
  },
  "width": 2048,
  "height": 2048,
  "bounds": {
    "west": -75.8,
    "east": -74.7,
    "south": 39.7,
    "north": 40.55
  },
  "elevation": {
    "min": -5.0,
    "max": 377.0,
    "step": 0.25,
    "encoding": "elev_m = elevMin + (R * 256 + G) * step"
  },
  "stats": {
    "meanM": 81.165,
    "p02M": 0.853,
    "p98M": 233.017,
    "sampleSpacingM": 45.8
  },
  "projection": {
    "lat0": 40.125,
    "lon0": -75.25,
    "metersPerDegLat": 111037.0072,
    "metersPerDegLon": 85238.0237,
    "widthM": 93761.83,
    "heightM": 94381.46
  },
  "probes": [
    {
      "x": 0,
      "y": 0,
      "q": 539
    },
    {
      "x": 2047,
      "y": 0,
      "q": 96
    },
    {
      "x": 0,
      "y": 2047,
      "q": 354
    },
    {
      "x": 2047,
      "y": 2047,
      "q": 58
    },
    {
      "x": 1024,
      "y": 1024,
      "q": 291
    },
    {
      "x": 512,
      "y": 682,
      "q": 419
    },
    {
      "x": 1536,
      "y": 1365,
      "q": 64
    }
  ]
}