{
  "name": "Massif du Toubkal",
  "country": "Maroc",
  "region": "Haut Atlas",
  "boundsWgs84": {
    "west": -7.965,
    "east": -7.865,
    "north": 31.1,
    "south": 31.02
  },
  "columns": 241,
  "rows": 241,
  "widthMeters": 9525.28,
  "depthMeters": 8895.61,
  "gridSpacingMeters": {
    "eastWest": 39.69,
    "northSouth": 37.07
  },
  "sourcePixelSpacingMetersApprox": 32.74,
  "elevationRangeMeters": {
    "min": 2094.4,
    "max": 4149.8
  },
  "heightUnit": "metres",
  "rowOrder": "north to south",
  "columnOrder": "west to east",
  "verticalExaggeration": 1,
  "dataset": "Mapzen Terrain Tiles (USGS SRTM-based global terrain)",
  "sourceAttribution": "SRTM data courtesy of the U.S. Geological Survey. Terrain tiles by Mapzen.",
  "sourceDocumentation": "https://github.com/tilezen/joerd/blob/master/docs/formats.md",
  "sourceAttributionUrl": "https://github.com/tilezen/joerd/blob/master/docs/attribution.md",
  "sourceCatalog": "https://registry.opendata.aws/terrain-tiles/",
  "sourceTiles": [
    {
      "url": "https://s3.amazonaws.com/elevation-tiles-prod/terrarium/12/1957/1675.png",
      "sha256": "a99eea605ad500547606999e1b0c51a6839cbb1cd88ed6da786f886cb5e9eaf2"
    },
    {
      "url": "https://s3.amazonaws.com/elevation-tiles-prod/terrarium/12/1957/1676.png",
      "sha256": "6e5d8d7442de2fc00856fce1ce27cac51c1b826afbbb69d8c6b070ee50168986"
    },
    {
      "url": "https://s3.amazonaws.com/elevation-tiles-prod/terrarium/12/1958/1675.png",
      "sha256": "9f48aeb7eb91cfca339efd864fe81838613d00d4ca25552f73f6048c6e62e484"
    },
    {
      "url": "https://s3.amazonaws.com/elevation-tiles-prod/terrarium/12/1958/1676.png",
      "sha256": "0bf03eab38e7ab6597077093a90878edbb8672e2dd65b45a649ae9d076adf1f5"
    }
  ],
  "accessedDate": "2026-09-06",
  "processing": "Terrarium RGB decoded to metres; bilinear resampling onto a regular WGS84 grid; stored at 0.1 m numeric precision. Local equirectangular rendering at the centre latitude; identical horizontal and vertical scale. Numeric precision is not positional or elevation accuracy.",
  "limitations": "Regional elevation model, not a SKY SURVEY drone acquisition or engineering-grade site survey. Source may include SRTM void filling; source pixel spacing is not guaranteed measurement resolution. Shading is illustrative, not satellite photography."
}