{
 "ocl_version": "0.1.0",
 "name": "Col de Vaccia from Zicavo",
 "slug": "col-de-vaccia-from-zicavo",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.42476178044899,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 559.0,
   "end_distance_m": 561.0,
   "start_elevation_m": 775.8763519875806,
   "end_elevation_m": 776.3648472231896,
   "min_gradient_pct": -13.07716437460158,
   "suppressed_max_gradient_pct": 827.0124725312769,
   "suppressed_location_m": [
    589.0,
    591.0
   ],
   "suppressed_min_gradient_pct": -436.6128116015375,
   "suppressed_min_location_m": [
    4855.0,
    4857.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 18.23845925355651,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 559.0,
   "end_distance_m": 562.0,
   "start_elevation_m": 775.8763519875806,
   "end_elevation_m": 776.4235057651873,
   "min_gradient_pct": -10.30213058619438,
   "suppressed_max_gradient_pct": 565.3917852397967,
   "suppressed_location_m": [
    588.0,
    591.0
   ],
   "suppressed_min_gradient_pct": -337.09316501216716,
   "suppressed_min_location_m": [
    573.0,
    576.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 12.20636774828563,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 559.0,
   "end_distance_m": 564.0,
   "start_elevation_m": 775.8763519875806,
   "end_elevation_m": 776.4866703749949,
   "min_gradient_pct": -5.57619509205324,
   "suppressed_max_gradient_pct": 347.1287869545017,
   "suppressed_location_m": [
    586.0,
    591.0
   ],
   "suppressed_min_gradient_pct": -294.39667167411244,
   "suppressed_min_location_m": [
    572.0,
    577.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 7.676867453266141,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 2949.0,
   "end_distance_m": 2959.0,
   "start_elevation_m": 866.1967629122738,
   "end_elevation_m": 866.9644496576004,
   "min_gradient_pct": -1.3340986266791788,
   "suppressed_max_gradient_pct": 175.53176041088818,
   "suppressed_location_m": [
    585.0,
    595.0
   ],
   "suppressed_min_gradient_pct": -163.88320588234933,
   "suppressed_min_location_m": [
    572.0,
    582.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 6.113957314224194,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 2949.0,
   "end_distance_m": 2969.0,
   "start_elevation_m": 866.1967629122738,
   "end_elevation_m": 867.4195543751187,
   "min_gradient_pct": -0.32912264606352437,
   "suppressed_max_gradient_pct": 90.06946459241703,
   "suppressed_location_m": [
    585.0,
    605.0
   ],
   "suppressed_min_gradient_pct": -82.9923375799757,
   "suppressed_min_location_m": [
    565.0,
    585.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 5.6393883143737185,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 2949.0,
   "end_distance_m": 2974.0,
   "start_elevation_m": 866.1967629122738,
   "end_elevation_m": 867.6066099908672,
   "min_gradient_pct": -0.32965553763278876,
   "suppressed_max_gradient_pct": 72.71954689851509,
   "suppressed_location_m": [
    585.0,
    610.0
   ],
   "suppressed_min_gradient_pct": -65.49545175051117,
   "suppressed_min_location_m": [
    561.0,
    586.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 5.169926000020723,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 2114.0,
   "end_distance_m": 2164.0,
   "start_elevation_m": 834.9877732229147,
   "end_elevation_m": 837.5727362229251,
   "min_gradient_pct": -0.19713447462299882,
   "suppressed_max_gradient_pct": 38.42804863659717,
   "suppressed_location_m": [
    585.0,
    635.0
   ],
   "suppressed_min_gradient_pct": -31.140667698972038,
   "suppressed_min_location_m": [
    535.0,
    585.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 4.639012812870078,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min"
   ],
   "start_distance_m": 2064.0,
   "end_distance_m": 2164.0,
   "start_elevation_m": 832.933723410055,
   "end_elevation_m": 837.5727362229251,
   "min_gradient_pct": 0.46635003859478275,
   "suppressed_max_gradient_pct": 20.94464155809294,
   "suppressed_location_m": [
    585.0,
    685.0
   ],
   "suppressed_min_gradient_pct": -13.33471587403244,
   "suppressed_min_location_m": [
    486.0,
    586.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.307,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 29.0,
  "shape_class": "sustained"
 },
 "length_m": 13746.641206791253,
 "start_elevation_m": 753.3899243852366,
 "end_elevation_m": 1195.8155105859464,
 "endpoint_gain_m": 442.42558620070986,
 "overall_gradient_pct": 3.2184268109226446,
 "accumulated_ascent_m": 533.6123308521925,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 12.20636774828563,
   "start_distance_m": 559.0,
   "end_distance_m": 564.0,
   "midpoint_distance_m": 561.5,
   "start_elevation_m": 775.8763519875806,
   "end_elevation_m": 776.4866703749949,
   "start_xy": [
    1209681.5613840136,
    6108700.743377028
   ],
   "end_xy": [
    1209682.488077375,
    6108695.830003501
   ]
  },
  "max_10m": {
   "gradient_pct": 7.676867453266141,
   "start_distance_m": 2949.0,
   "end_distance_m": 2959.0,
   "midpoint_distance_m": 2954.0,
   "start_elevation_m": 866.1967629122738,
   "end_elevation_m": 866.9644496576004,
   "start_xy": [
    1208340.1621580136,
    6107194.548359014
   ],
   "end_xy": [
    1208334.4894829679,
    6107186.313023088
   ]
  },
  "max_20m": {
   "gradient_pct": 6.113957314224194,
   "start_distance_m": 2949.0,
   "end_distance_m": 2969.0,
   "midpoint_distance_m": 2959.0,
   "start_elevation_m": 866.1967629122738,
   "end_elevation_m": 867.4195543751187,
   "start_xy": [
    1208340.1621580136,
    6107194.548359014
   ],
   "end_xy": [
    1208328.816807922,
    6107178.07768716
   ]
  },
  "max_25m": {
   "gradient_pct": 5.6393883143737185,
   "start_distance_m": 2949.0,
   "end_distance_m": 2974.0,
   "midpoint_distance_m": 2961.5,
   "start_elevation_m": 866.1967629122738,
   "end_elevation_m": 867.6066099908672,
   "start_xy": [
    1208340.1621580136,
    6107194.548359014
   ],
   "end_xy": [
    1208325.9804703991,
    6107173.960019197
   ]
  },
  "max_50m": {
   "gradient_pct": 5.169926000020723,
   "start_distance_m": 2114.0,
   "end_distance_m": 2164.0,
   "midpoint_distance_m": 2139.0,
   "start_elevation_m": 834.9877732229147,
   "end_elevation_m": 837.5727362229251,
   "start_xy": [
    1208804.3456899736,
    6107837.710628068
   ],
   "end_xy": [
    1208804.4308577185,
    6107787.710700612
   ]
  },
  "max_100m": {
   "gradient_pct": 4.639012812870078,
   "start_distance_m": 2064.0,
   "end_distance_m": 2164.0,
   "midpoint_distance_m": 2114.0,
   "start_elevation_m": 832.933723410055,
   "end_elevation_m": 837.5727362229251,
   "start_xy": [
    1208792.8772724336,
    6107885.660952925
   ],
   "end_xy": [
    1208804.4308577185,
    6107787.710700612
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.57619509205324,
   "start_distance_m": 554.0,
   "end_distance_m": 559.0,
   "midpoint_distance_m": 556.5,
   "start_elevation_m": 776.1551617421833,
   "end_elevation_m": 775.8763519875806,
   "start_xy": [
    1209680.6346906521,
    6108705.656750555
   ],
   "end_xy": [
    1209681.5613840136,
    6108700.743377028
   ]
  },
  "min_10m": {
   "gradient_pct": -1.3340986266791788,
   "start_distance_m": 549.0,
   "end_distance_m": 559.0,
   "midpoint_distance_m": 554.0,
   "start_elevation_m": 776.0097618502485,
   "end_elevation_m": 775.8763519875806,
   "start_xy": [
    1209679.0678415473,
    6108710.35226755
   ],
   "end_xy": [
    1209681.5613840136,
    6108700.743377028
   ]
  },
  "min_20m": {
   "gradient_pct": -0.32912264606352437,
   "start_distance_m": 13697.0,
   "end_distance_m": 13717.0,
   "midpoint_distance_m": 13707.0,
   "start_elevation_m": 1195.8920628215842,
   "end_elevation_m": 1195.8262382923715,
   "start_xy": [
    1206124.0620236872,
    6099788.422491623
   ],
   "end_xy": [
    1206130.1738720057,
    6099769.37924321
   ]
  },
  "min_25m": {
   "gradient_pct": -0.32965553763278876,
   "start_distance_m": 13697.0,
   "end_distance_m": 13722.0,
   "midpoint_distance_m": 13709.5,
   "start_elevation_m": 1195.8920628215842,
   "end_elevation_m": 1195.809648937176,
   "start_xy": [
    1206124.0620236872,
    6099788.422491623
   ],
   "end_xy": [
    1206131.7018340854,
    6099764.618431107
   ]
  },
  "min_50m": {
   "gradient_pct": -0.19713447462299882,
   "start_distance_m": 13676.0,
   "end_distance_m": 13726.0,
   "midpoint_distance_m": 13701.0,
   "start_elevation_m": 1195.9109796246717,
   "end_elevation_m": 1195.8124123873602,
   "start_xy": [
    1206121.6667480795,
    6099809.18123085
   ],
   "end_xy": [
    1206132.924203749,
    6099760.809781425
   ]
  },
  "min_100m": {
   "gradient_pct": 0.46635003859478275,
   "start_distance_m": 13645.0,
   "end_distance_m": 13745.0,
   "midpoint_distance_m": 13695.0,
   "start_elevation_m": 1195.337245848849,
   "end_elevation_m": 1195.8035958874439,
   "start_xy": [
    1206133.5455434497,
    6099837.285525586
   ],
   "end_xy": [
    1206138.7304596517,
    6099742.718695432
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.42476178044899,
   "start_distance_m": 559.0,
   "end_distance_m": 561.0,
   "midpoint_distance_m": 560.0,
   "start_elevation_m": 775.8763519875806,
   "end_elevation_m": 776.3648472231896,
   "start_xy": [
    1209681.5613840136,
    6108700.743377028
   ],
   "end_xy": [
    1209681.9320613581,
    6108698.778027617
   ]
  },
  "max_3m": {
   "gradient_pct": 18.23845925355651,
   "start_distance_m": 559.0,
   "end_distance_m": 562.0,
   "midpoint_distance_m": 560.5,
   "start_elevation_m": 775.8763519875806,
   "end_elevation_m": 776.4235057651873,
   "start_xy": [
    1209681.5613840136,
    6108700.743377028
   ],
   "end_xy": [
    1209682.1174000306,
    6108697.7953529125
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "structure_suppression": {
   "masked_fraction": 0.022,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.089,
   "obstruction_max_height_m": 22.69,
   "flagged_windows_m": [
    2,
    3,
    5,
    10
   ]
  },
  "excluded_ranges_m": [
   [
    568.0,
    596.0
   ],
   [
    1193.0,
    1209.0
   ],
   [
    1998.0,
    2009.0
   ],
   [
    2193.0,
    2207.0
   ],
   [
    4049.0,
    4091.0
   ],
   [
    4501.0,
    4526.0
   ],
   [
    4850.0,
    4867.0
   ],
   [
    7437.0,
    7472.0
   ],
   [
    7754.0,
    7781.0
   ],
   [
    8413.0,
    8436.0
   ],
   [
    8520.0,
    8536.0
   ],
   [
    9892.0,
    9910.0
   ],
   [
    9994.0,
    10013.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "33abfff569d4360542e616d0d42c1b94d0a711fa",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:8c94015b54267da4",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.1",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.4",
   "proj": "9.8.1",
   "run_id": "fr-co-cols",
   "road_pbf": "block-batch-fr-co-cols.osm.pbf",
   "region_key": "france",
   "crs": "EPSG:2154",
   "elevation_provider_key": "ign-lidarhd",
   "tile_index": "wms-grid",
   "authority": "bdtopo",
   "registry_pbf": "france-vosges-2026-09-16.osm.pbf",
   "tile_index_snapshot": "sha256:2a717d675f2607cc"
  },
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:2154",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6099_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6100_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6101_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6102_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6103_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6104_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1206-N6105_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1207-N6101_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1207-N6102_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1207-N6103_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1207-N6104_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1207-N6105_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1207-N6106_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1208-N6105_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1208-N6106_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1208-N6107_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1208-N6108_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1209-N6107_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1209-N6108_0m5@21LHDCorseVT-2025-04-02.tif",
   "data/cache/fr/ign-lidarhd_dtm_E1209-N6109_0m5@21LHDCorseVT-2025-04-02.tif"
  ],
  "calculated_at": "2026-09-25T02:47:32+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-co-cols.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-co-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": [
   "E1206-N6099",
   "E1206-N6100",
   "E1206-N6101",
   "E1206-N6102",
   "E1206-N6103",
   "E1206-N6104",
   "E1206-N6105",
   "E1207-N6101",
   "E1207-N6102",
   "E1207-N6103",
   "E1207-N6104",
   "E1207-N6105",
   "E1207-N6106",
   "E1208-N6105",
   "E1208-N6106",
   "E1208-N6107",
   "E1208-N6108",
   "E1209-N6107",
   "E1209-N6108",
   "E1209-N6109"
  ],
  "elevation_blocks": [
   "21LHDCorseVT@2025-04-02"
  ],
  "ign_dalles": [
   "LHD_FXX_1206_6100_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1206_6101_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1206_6102_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1206_6103_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1206_6104_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1206_6105_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1206_6106_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1207_6102_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1207_6103_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1207_6104_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1207_6105_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1207_6106_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1207_6107_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1208_6106_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1208_6107_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1208_6108_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1208_6109_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1209_6108_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1209_6109_MNT_O_0M50_LAMB93_IGN78",
   "LHD_FXX_1209_6110_MNT_O_0M50_LAMB93_IGN78"
  ],
  "ign_missions": [
   "21LHDCorseVT"
  ],
  "ign_editions": [
   "2025-04-02"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_1206_6100_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1206_6101_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1206_6102_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1206_6103_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1206_6104_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1206_6105_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1206_6106_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1207_6102_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1207_6103_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1207_6104_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1207_6105_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1207_6106_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1207_6107_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1208_6106_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1208_6107_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1208_6108_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1208_6109_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1209_6108_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1209_6109_MNT_O_0M50_LAMB93_IGN78": "2025-04-02",
   "LHD_FXX_1209_6110_MNT_O_0M50_LAMB93_IGN78": "2025-04-02"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked",
  "carriageway": {
   "stations": 556,
   "stations_resolved": 556,
   "width_median_m": 8.25,
   "width_p10_m": 5.5,
   "width_min_m": 0.5,
   "width_max_m": 12.0,
   "bounded_share": 0.342,
   "unbounded_share": 0.658,
   "confidence_median": 0.0,
   "width_median_bounded_m": 8.12,
   "window_m": [
    2949.0,
    2974.0
   ],
   "width_at_max25_m": 4.0,
   "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": 556,
    "stations_resolved": 556,
    "width_median_m": 8.75,
    "width_p10_m": 1.5,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.633,
    "unbounded_share": 0.367,
    "confidence_median": 1.0,
    "width_median_bounded_m": 7.25,
    "window_m": [
     2949.0,
     2974.0
    ],
    "width_at_max25_m": 3.5,
    "window_stations": 7,
    "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": "Zicavo",
  "county": "Corse-du-Sud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}