{
  "retrieved": "2026-09-07",
  "source": "https://registry.opendata.aws/terrain-tiles/",
  "format": "Terrarium R*256+G+B/256-32768 meters",
  "zoom": 11,
  "gridSpacingMeters": 175.0,
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  "attribution": "Mapzen; SRTM/GMTED2010 terrain data courtesy of the U.S. Geological Survey",
  "modifications": "bilinear resampling to local 175m grid; vertical exaggeration applied only in rendering",
  "verticalExaggeration": 3,
  "shoreline": "Connected near-flat DEM component, +/-1m; 175m raster-derived, display smoothed; not surveyed/current shoreline",
  "demLakeLevel": 1962.0,
  "lakeAreaKm2": 227.91,
  "boundaryTreatment": "outer 2.2km smoothly lowered for diorama edges",
  "vegetation": "procedural artistic placement, not land-cover data"
}