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   "data/cache/fr/ign-lidarhd_dtm_E1213-N6123_0m5@21LHDCorseVT-2025-04-02.tif"
  ],
  "calculated_at": "2026-09-25T00:48:32+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-co3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-co3",
  "elevation_provider": "IGN LiDAR HD MNT 0.5 m",
  "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date",
  "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69",
  "elevation_vertical_datum": "IGN69",
  "elevation_tile_ids": [
   "E1211-N6112",
   "E1211-N6113",
   "E1211-N6114",
   "E1212-N6113",
   "E1212-N6114",
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   "E1212-N6116",
   "E1212-N6117",
   "E1212-N6118",
   "E1212-N6119",
   "E1213-N6115",
   "E1213-N6116",
   "E1213-N6117",
   "E1213-N6118",
   "E1213-N6119",
   "E1213-N6120",
   "E1213-N6121",
   "E1213-N6122",
   "E1213-N6123"
  ],
  "elevation_blocks": [
   "21LHDCorseVT@2025-04-02"
  ],
  "ign_dalles": [
   "LHD_FXX_1211_6113_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1211_6114_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1211_6115_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1212_6114_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1212_6115_MNT_O_0M50_LAMB93_IGN78",
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   "LHD_FXX_1212_6118_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1212_6119_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1212_6120_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6116_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6117_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6118_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6119_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6120_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6121_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6122_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6123_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1213_6124_MNT_O_0M50_LAMB93_IGN78"
  ],
  "ign_missions": [
   "21LHDCorseVT"
  ],
  "ign_editions": [
   "2025-04-02"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_1211_6113_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1211_6114_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1211_6115_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6114_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6115_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6116_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6117_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6118_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6119_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1212_6120_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6116_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6117_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6118_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6119_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6120_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6121_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6122_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6123_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1213_6124_MNT_O_0M50_LAMB93_IGN78": "2025-04-02"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 23,
  "structure_mask_ranges_m": [
   [
    5229.5,
    5269.6
   ],
   [
    12953.8,
    12986.5
   ],
   [
    10964.5,
    10998.9
   ],
   [
    8406.4,
    8425.2
   ],
   [
    16057.1,
    16073.2
   ],
   [
    1871.3,
    1892.6
   ],
   [
    5580.8,
    5605.2
   ],
   [
    14440.9,
    14455.2
   ]
  ],
  "mask_basin_extension_m": 62.0,
  "suppression_unstable": [
   10.0
  ],
  "carriageway": {
   "stations": 685,
   "stations_resolved": 685,
   "width_median_m": 8.0,
   "width_p10_m": 6.25,
   "width_min_m": 0.0,
   "width_max_m": 12.0,
   "bounded_share": 0.334,
   "unbounded_share": 0.666,
   "confidence_median": 0.0,
   "width_median_bounded_m": 7.75,
   "window_m": [
    5515.0,
    5540.0
   ],
   "width_at_max25_m": 6.88,
   "window_stations": 6,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 685,
    "stations_resolved": 685,
    "width_median_m": 7.0,
    "width_p10_m": 1.0,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.772,
    "unbounded_share": 0.228,
    "confidence_median": 1.0,
    "width_median_bounded_m": 5.5,
    "window_m": [
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     5540.0
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    "width_at_max25_m": 8.62,
    "window_stations": 6,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Cozzano",
  "county": "Corse-du-Sud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}