{
  "version": 1,
  "dataset": "Copernicus GLO-30 + OSM gisamun coast",
  "surfaceType": "Resampled Copernicus DSM; no OSM height correction",
  "sourceResolution": "1 arc-second (~30m); interpolated to 10m",
  "verticalDatum": "EGM2008 orthometric height (m); sea level approximated as 0m",
  "origin": {
    "latitude": 38.00555,
    "longitude": 128.73195
  },
  "projection": "+proj=aeqd +lat_0=38.00555 +lon_0=128.73195 +datum=WGS84 +units=m +no_defs",
  "width": 301,
  "height": 301,
  "spacingMeters": 10,
  "radiusMeters": 1500,
  "observerSurfaceElevation": 0.0,
  "minElevation": -0.37622588872909546,
  "maxElevation": 145.99964904785156,
  "missingSamples": 0,
  "geographicCorners": [
    [
      128.7148738783932,
      37.99203481488981
    ],
    [
      128.7490261216068,
      37.99203481488981
    ],
    [
      128.7490323912247,
      38.0190626735617
    ],
    [
      128.71486760877534,
      38.0190626735617
    ]
  ],
  "sources": [
    {
      "file": "data/raw/hajodae/Copernicus_DSM_COG_10_N37_00_E128_00_DEM.tif",
      "url": "https://copernicus-dem-30m.s3.amazonaws.com/Copernicus_DSM_COG_10_N37_00_E128_00_DEM/Copernicus_DSM_COG_10_N37_00_E128_00_DEM.tif",
      "bytes": 45141829,
      "sha256": "69036070795162395dcea060375abba2d448dc2a5b74949844784466191b707c",
      "crs": "EPSG:4326",
      "bounds": [
        127.99986111111112,
        37.00013888888889,
        128.9998611111111,
        38.00013888888889
      ],
      "shape": [
        3600,
        3600
      ],
      "resolutionDegrees": [
        0.0002777777777777778,
        0.0002777777777777778
      ],
      "nodata": null,
      "min": -3.7442760467529297,
      "max": 1574.278564453125,
      "maskedSamples": 0,
      "nonfiniteSamples": 0
    },
    {
      "file": "data/raw/hajodae/Copernicus_DSM_COG_10_N38_00_E128_00_DEM.tif",
      "url": "https://copernicus-dem-30m.s3.amazonaws.com/Copernicus_DSM_COG_10_N38_00_E128_00_DEM/Copernicus_DSM_COG_10_N38_00_E128_00_DEM.tif",
      "bytes": 18904152,
      "sha256": "ef70790d1e4c889f6a0965b7f39fb8627e5682ddad7cc893cf61084af8c7c012",
      "crs": "EPSG:4326",
      "bounds": [
        127.99986111111112,
        38.00013888888889,
        128.9998611111111,
        39.00013888888889
      ],
      "shape": [
        3600,
        3600
      ],
      "resolutionDegrees": [
        0.0002777777777777778,
        0.0002777777777777778
      ],
      "nodata": null,
      "min": -0.680739164352417,
      "max": 1703.6204833984375,
      "maskedSamples": 0,
      "nonfiniteSamples": 0
    },
    {
      "file": "data/raw/gisamun/coast.osm",
      "url": "https://www.openstreetmap.org/api/0.6/map?bbox=128.720,37.975,128.770,38.025",
      "bytes": 2680764,
      "sha256": "0b59c2383c6ebfa5e6bc95dfcd21d0a7bce2406fecbb7e2a8d245d35a45e1bb4"
    }
  ],
  "attribution": "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved; © OpenStreetMap contributors (ODbL-1.0)",
  "corrections": {
    "osmHeightCorrection": false,
    "note": "Heights use Copernicus reprojection and bilinear resampling only. OSM masks affect rendering and movement, not stored elevations. Offshore values are not bathymetry. No tide model."
  },
  "files": {
    "heights.f32": {
      "source": "Copernicus GLO-30",
      "processing": "AEQD projection and bilinear resampling only; no OSM height adjustment",
      "licenseUrl": "https://dataspace.copernicus.eu/sites/default/files/media/files/2025-06/copernicus_contributing_mission_data_access_v2_cop_dem_licenses.pdf",
      "licenseSection": "GLO-30-F, Articles 4 and 6",
      "notice": "source.html"
    },
    "coast.json": {
      "license": "ODbL-1.0",
      "licenseUrl": "https://opendatacommons.org/licenses/odbl/1-0/",
      "attribution": "© OpenStreetMap contributors",
      "sourceUrl": "https://www.openstreetmap.org/copyright",
      "processing": "Projected coastline and beach polygons; estimated beach strip for Gisamun"
    },
    "surface.png": {
      "license": "ODbL-1.0",
      "licenseUrl": "https://opendatacommons.org/licenses/odbl/1-0/",
      "attribution": "© OpenStreetMap contributors",
      "sourceUrl": "https://www.openstreetmap.org/copyright",
      "processing": "R: land mask; G: sand mask; B: signed coast distance; contains no Copernicus elevations"
    }
  },
  "sandApproximation": {
    "sandLatitudeMin": 38.0043299,
    "sandLatitudeMax": 38.0064958,
    "sandWidthMeters": 35,
    "note": "OSM beach polygon absent. Visual strip west of OSM shoreline; not surveyed beach limits."
  }
}