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   "data/cache/fr/ign-lidarhd_dtm_E793-N6392_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E793-N6393_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E794-N6392_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E794-N6393_0m5@22LHD5NN-2025-06-04.tif"
  ],
  "calculated_at": "2026-09-22T22:43:34+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc-cols.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc-cols",
  "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": [
   "E787-N6392",
   "E787-N6393",
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   "E790-N6392",
   "E790-N6393",
   "E791-N6393",
   "E792-N6392",
   "E792-N6393",
   "E793-N6392",
   "E793-N6393",
   "E794-N6392",
   "E794-N6393"
  ],
  "elevation_blocks": [
   "22LHD5NN@2025-06-04"
  ],
  "ign_dalles": [
   "LHD_FXX_0787_6393_MNT_O_0M50_LAMB93_IGN69",
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   "LHD_FXX_0793_6393_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0793_6394_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0794_6393_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0794_6394_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD5NN"
  ],
  "ign_editions": [
   "2025-06-04"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0787_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0787_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0788_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0788_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0789_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0789_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0790_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0790_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0791_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0792_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0792_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0793_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0793_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0794_6393_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0794_6394_MNT_O_0M50_LAMB93_IGN69": "2025-06-04"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 37,
  "structure_mask_ranges_m": [
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    514.3
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   [
    7389.4,
    7402.7
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    3507.5,
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    2876.6,
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    2763.6,
    2771.6
   ],
   [
    2214.7,
    2225.3
   ],
   [
    1898.3,
    1907.1
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   [
    1432.0,
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   ],
   [
    702.1,
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   ],
   [
    612.2,
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  ],
  "mask_basin_extension_m": 126.0,
  "suppression_unstable": [
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   25.0
  ],
  "carriageway": {
   "stations": 561,
   "stations_resolved": 561,
   "width_median_m": 7.5,
   "width_p10_m": 5.5,
   "width_min_m": 0.5,
   "width_max_m": 12.0,
   "bounded_share": 0.376,
   "unbounded_share": 0.624,
   "confidence_median": 0.0,
   "width_median_bounded_m": 7.75,
   "window_m": [
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    5746.0
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   "width_at_max25_m": 8.0,
   "window_stations": 7,
   "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": 561,
    "stations_resolved": 561,
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    "width_at_max25_m": 8.25,
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    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "La Souche",
  "county": "Ard\u00e8che",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}