{
  "date": "2026-09-30",
  "display_vs_DGU_direct_resampling": {
    "n": 109773,
    "mean_m": 0.0,
    "median_m": -0.0,
    "p95_absolute_m": 0.121,
    "max_absolute_m": 2.17
  },
  "Copernicus_DSM_minus_display_on_worldcover_grass_crop_bare": {
    "n": 34179,
    "mean_m": 0.407,
    "median_m": 0.332,
    "p95_absolute_m": 5.53,
    "max_absolute_m": 45.921
  },
  "vertical_scale": 1,
  "display_resolution_m": 30,
  "DGU_source_spacing_m": [
    19.9858377446,
    19.9905499286
  ],
  "independent_ground_validation": false,
  "interpretation": "Agreement with the source verifies transfer/resampling, not absolute surveyed accuracy. Copernicus is a DSM with different dates and vertical reference, so its differences are a plausibility comparison, not ground-truth error. Google Earth elevations were not extracted or independently verified. No benchmark survey or recent LiDAR is available.",
  "anchors": {
    "Zadar": {
      "display_m": 1.84
    },
    "Musapstan": {
      "display_m": 60.82
    }
  }
}