{
  "schema_version": 1,
  "tile_id": "gz_us_ca_pacifica_utm10n_e544_n4160",
  "generated_at_utc": "2026-05-14T12:52:25Z",
  "source_dem": "Data/Terrain/Extracted/gz_us_ca_pacifica_utm10n_e544_n4160/gz_us_ca_pacifica_utm10n_e544_n4160_1m_dem_subset.tif",
  "thresholds": {
    "sea_level_m": 0.0,
    "shoreline_buffer_m": 2.0,
    "low_coastal_buffer_m": 5.0
  },
  "elevation_summary": {
    "sample_count": 1000000,
    "min_elevation_m": 3.1603012084960938,
    "max_elevation_m": 96.50570678710938,
    "mean_elevation_m": 18.240529416484833,
    "sea_level_or_below_samples": 0,
    "near_sea_level_samples": 0,
    "low_coastal_samples": 57812,
    "sea_level_or_below_percent": 0.0,
    "near_sea_level_percent": 0.0,
    "low_coastal_percent": 5.7812
  },
  "edge_summary": {
    "north": {
      "sample_count": 10000,
      "min_elevation_m": 3.1603012084960938,
      "max_elevation_m": 37.224822998046875,
      "mean_elevation_m": 19.415938945102692,
      "sea_level_or_below_samples": 0,
      "near_sea_level_samples": 0,
      "low_coastal_samples": 2710
    },
    "south": {
      "sample_count": 10000,
      "min_elevation_m": 11.210755348205566,
      "max_elevation_m": 57.378944396972656,
      "mean_elevation_m": 19.908063950920106,
      "sea_level_or_below_samples": 0,
      "near_sea_level_samples": 0,
      "low_coastal_samples": 0
    },
    "west": {
      "sample_count": 10000,
      "min_elevation_m": 3.5281026363372803,
      "max_elevation_m": 59.69044876098633,
      "mean_elevation_m": 15.149734993314743,
      "sea_level_or_below_samples": 0,
      "near_sea_level_samples": 0,
      "low_coastal_samples": 2892
    },
    "east": {
      "sample_count": 10000,
      "min_elevation_m": 24.61846351623535,
      "max_elevation_m": 96.50570678710938,
      "mean_elevation_m": 59.40558109054565,
      "sea_level_or_below_samples": 0,
      "near_sea_level_samples": 0,
      "low_coastal_samples": 0
    }
  },
  "classification": {
    "contains_open_water": false,
    "contains_shoreline": false,
    "water_depth_required_for_mvp_tile": false,
    "shoreline_mesh_required_for_mvp_tile": false,
    "freshwater_source_required_for_gameplay": true,
    "recommended_first_pass": "No ocean/shoreline actor required inside the current Ground Zero tile. Add a small freshwater source for gameplay separately, and defer ocean/bathymetry work to west/southwest neighbor coastal tiles."
  },
  "notes": [
    "This analysis uses the extracted 1-meter USGS DEM for the selected 1 km tile.",
    "The selected Ground Zero tile is coastal-influenced but the DEM minimum is above sea level.",
    "Ocean depth/bathymetry remains required for adjacent coastal/ocean tiles before multi-tile expansion."
  ]
}
