{
  "tile_id": "gz_us_ca_pacifica_utm10n_e544_n4160",
  "generated_at_utc": "2026-05-14T05:21:46Z",
  "source": {
    "name": "USGS Elevation Point Query Service",
    "url": "https://epqs.nationalmap.gov/v1/json",
    "units": "Meters",
    "raster_ids": [
      65833
    ],
    "reported_resolutions_m": [
      1
    ]
  },
  "grid": {
    "projection": "WGS84 / UTM zone 10N",
    "utm_zone": "10N",
    "easting_min_m": 544000,
    "northing_min_m": 4160000,
    "easting_max_m": 545000,
    "northing_max_m": 4161000,
    "tile_size_m": 1000,
    "center_latitude": 37.5925,
    "center_longitude": -122.4995
  },
  "sample_grid": {
    "width": 33,
    "height": 33,
    "spacing_m": 31.25,
    "sample_count": 1089
  },
  "heightmap": {
    "format": "r16_little_endian_unsigned",
    "min_elevation_m": 3.458832026,
    "max_elevation_m": 96.11089325,
    "vertical_range_m": 92.65206122400001
  },
  "unreal_import_notes": [
    "Prototype only; final landscape import should use a higher-resolution DEM raster or lidar-derived terrain.",
    "R16 values are normalized from min_elevation_m to max_elevation_m.",
    "Use the metadata min/max values to restore vertical scale during Unreal import.",
    "Horizontal tile size is 1000 m x 1000 m."
  ]
}
