{
 "ocl_version": "0.1.0",
 "name": "Col du Pin-Bouchain",
 "slug": "chemin-du-perroquet",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.40277759487458,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1732.0,
   "end_distance_m": 1734.0,
   "start_elevation_m": 560.0709914514704,
   "end_elevation_m": 560.7590470033679,
   "min_gradient_pct": -19.390366090198086,
   "suppressed_max_gradient_pct": 49.941134353429106,
   "suppressed_location_m": [
    1994.0,
    1996.0
   ],
   "suppressed_min_gradient_pct": -40.60759677285546,
   "suppressed_min_location_m": [
    1997.0,
    1999.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.036455118048707,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1982.0,
   "end_distance_m": 1985.0,
   "start_elevation_m": 571.4524174461728,
   "end_elevation_m": 572.2335110997143,
   "min_gradient_pct": -15.227466425437797,
   "suppressed_max_gradient_pct": 44.98798292045573,
   "suppressed_location_m": [
    1993.0,
    1996.0
   ],
   "suppressed_min_gradient_pct": -33.15848382136437,
   "suppressed_min_location_m": [
    1996.0,
    1999.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.84604956036037,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded_min",
    "texture_excluded",
    "texture_excluded_min",
    "texture_excluded",
    "suppression_unstable",
    "canopy_or_structure"
   ],
   "start_distance_m": 1981.0,
   "end_distance_m": 1986.0,
   "start_elevation_m": 571.3479816055219,
   "end_elevation_m": 572.3402840835399,
   "min_gradient_pct": -13.655735885242848,
   "suppressed_max_gradient_pct": 30.02612744850012,
   "suppressed_location_m": [
    1991.0,
    1996.0
   ],
   "suppressed_min_gradient_pct": -19.09423784887622,
   "suppressed_min_location_m": [
    1957.0,
    1962.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.335708763337152,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 4190.0,
   "end_distance_m": 4200.0,
   "start_elevation_m": 746.0075893830469,
   "end_elevation_m": 747.7411602593806,
   "min_gradient_pct": -7.580379073582435,
   "suppressed_max_gradient_pct": 18.703201219165067,
   "suppressed_location_m": [
    1939.0,
    1949.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.658485336820945,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4185.0,
   "end_distance_m": 4205.0,
   "start_elevation_m": 745.1978624232381,
   "end_elevation_m": 748.5295594906023,
   "min_gradient_pct": -6.902960687683617
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.364051928698245,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4182.0,
   "end_distance_m": 4207.0,
   "start_elevation_m": 744.7463933150057,
   "end_elevation_m": 748.8374062971802,
   "min_gradient_pct": -6.782184085046538
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.829024764593214,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4092.0,
   "end_distance_m": 4142.0,
   "start_elevation_m": 731.275575376002,
   "end_elevation_m": 739.1900877582987,
   "min_gradient_pct": -5.548995126818454
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.236500049517645,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4102.0,
   "end_distance_m": 4202.0,
   "start_elevation_m": 732.8301666029596,
   "end_elevation_m": 748.0666666524772,
   "min_gradient_pct": -5.002903995600491
  }
 ],
 "shape": {
  "ascent_concentration": 0.345,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 391.0,
  "shape_class": "sustained"
 },
 "length_m": 4493.657101898802,
 "start_elevation_m": 488.12982249266605,
 "end_elevation_m": 759.6460639282225,
 "endpoint_gain_m": 271.5162414355564,
 "overall_gradient_pct": 6.042210949314019,
 "accumulated_ascent_m": 291.13113248710033,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.84604956036037,
   "start_distance_m": 1981.0,
   "end_distance_m": 1986.0,
   "midpoint_distance_m": 1983.5,
   "start_elevation_m": 571.3479816055219,
   "end_elevation_m": 572.3402840835399,
   "start_xy": [
    805233.3954679841,
    6534673.726810143
   ],
   "end_xy": [
    805230.871883345,
    6534678.043234656
   ]
  },
  "max_10m": {
   "gradient_pct": 17.335708763337152,
   "start_distance_m": 4190.0,
   "end_distance_m": 4200.0,
   "midpoint_distance_m": 4195.0,
   "start_elevation_m": 746.0075893830469,
   "end_elevation_m": 747.7411602593806,
   "start_xy": [
    804164.8981768378,
    6535709.1912373
   ],
   "end_xy": [
    804159.1732988753,
    6535717.390369711
   ]
  },
  "max_20m": {
   "gradient_pct": 16.658485336820945,
   "start_distance_m": 4185.0,
   "end_distance_m": 4205.0,
   "midpoint_distance_m": 4195.0,
   "start_elevation_m": 745.1978624232381,
   "end_elevation_m": 748.5295594906023,
   "start_xy": [
    804167.7132428421,
    6535705.059011662
   ],
   "end_xy": [
    804156.3108598941,
    6535721.489935918
   ]
  },
  "max_25m": {
   "gradient_pct": 16.364051928698245,
   "start_distance_m": 4182.0,
   "end_distance_m": 4207.0,
   "midpoint_distance_m": 4194.5,
   "start_elevation_m": 744.7463933150057,
   "end_elevation_m": 748.8374062971802,
   "start_xy": [
    804169.4012979723,
    6535702.578997574
   ],
   "end_xy": [
    804155.1658843016,
    6535723.129762401
   ]
  },
  "max_50m": {
   "gradient_pct": 15.829024764593214,
   "start_distance_m": 4092.0,
   "end_distance_m": 4142.0,
   "midpoint_distance_m": 4117.0,
   "start_elevation_m": 731.275575376002,
   "end_elevation_m": 739.1900877582987,
   "start_xy": [
    804230.4384470362,
    6535638.039066775
   ],
   "end_xy": [
    804192.7580034496,
    6535670.174706927
   ]
  },
  "max_100m": {
   "gradient_pct": 15.236500049517645,
   "start_distance_m": 4102.0,
   "end_distance_m": 4202.0,
   "midpoint_distance_m": 4152.0,
   "start_elevation_m": 732.8301666029596,
   "end_elevation_m": 748.0666666524772,
   "start_xy": [
    804222.0027137222,
    6535643.409206759
   ],
   "end_xy": [
    804158.0283232828,
    6535719.030196195
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.655735885242848,
   "start_distance_m": 1925.0,
   "end_distance_m": 1930.0,
   "midpoint_distance_m": 1927.5,
   "start_elevation_m": 569.5984658995197,
   "end_elevation_m": 568.9156791052576,
   "start_xy": [
    805261.659615943,
    6534625.382855607
   ],
   "end_xy": [
    805259.1360313038,
    6534629.6992801195
   ]
  },
  "min_10m": {
   "gradient_pct": -7.580379073582435,
   "start_distance_m": 1924.0,
   "end_distance_m": 1934.0,
   "midpoint_distance_m": 1929.0,
   "start_elevation_m": 569.7331594496371,
   "end_elevation_m": 568.9751215422789,
   "start_xy": [
    805262.1643328707,
    6534624.5195707055
   ],
   "end_xy": [
    805257.1171635924,
    6534633.152419729
   ]
  },
  "min_20m": {
   "gradient_pct": -6.902960687683617,
   "start_distance_m": 3358.0,
   "end_distance_m": 3378.0,
   "midpoint_distance_m": 3368.0,
   "start_elevation_m": 671.6278833571182,
   "end_elevation_m": 670.2472912195815,
   "start_xy": [
    804549.3656141402,
    6535121.93259789
   ],
   "end_xy": [
    804529.4052620358,
    6535123.147032888
   ]
  },
  "min_25m": {
   "gradient_pct": -6.782184085046538,
   "start_distance_m": 3358.0,
   "end_distance_m": 3383.0,
   "midpoint_distance_m": 3370.5,
   "start_elevation_m": 671.6278833571182,
   "end_elevation_m": 669.9323373358566,
   "start_xy": [
    804549.3656141402,
    6535121.93259789
   ],
   "end_xy": [
    804524.4182933898,
    6535123.478113668
   ]
  },
  "min_50m": {
   "gradient_pct": -5.548995126818454,
   "start_distance_m": 3344.0,
   "end_distance_m": 3394.0,
   "midpoint_distance_m": 3369.0,
   "start_elevation_m": 672.2217867143745,
   "end_elevation_m": 669.4472891509653,
   "start_xy": [
    804563.0078246242,
    6535118.787746048
   ],
   "end_xy": [
    804513.5974180561,
    6535125.455146043
   ]
  },
  "min_100m": {
   "gradient_pct": -5.002903995600491,
   "start_distance_m": 3288.0,
   "end_distance_m": 3388.0,
   "midpoint_distance_m": 3338.0,
   "start_elevation_m": 674.673144202904,
   "end_elevation_m": 669.6702402073036,
   "start_xy": [
    804611.4765923634,
    6535092.0652198065
   ],
   "end_xy": [
    804519.4997136927,
    6535124.376764747
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.40277759487458,
   "start_distance_m": 1732.0,
   "end_distance_m": 1734.0,
   "midpoint_distance_m": 1733.0,
   "start_elevation_m": 560.0709914514704,
   "end_elevation_m": 560.7590470033679,
   "start_xy": [
    805368.0896374771,
    6534464.456704643
   ],
   "end_xy": [
    805366.9450683944,
    6534466.096814887
   ]
  },
  "max_3m": {
   "gradient_pct": 26.036455118048707,
   "start_distance_m": 1982.0,
   "end_distance_m": 1985.0,
   "midpoint_distance_m": 1983.5,
   "start_elevation_m": 571.4524174461728,
   "end_elevation_m": 572.2335110997143,
   "start_xy": [
    805232.8907510563,
    6534674.590095046
   ],
   "end_xy": [
    805231.3766002727,
    6534677.179949753
   ]
  }
 },
 "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": 0.001,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.022,
   "windows_resited": [
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    5.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.026,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 1991.0,
     "end_m": 1996.0,
     "raw_pct": 30.03,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 2000.0,
     "end_m": 2005.0,
     "raw_pct": 21.4,
     "reason": "mask-edge+short-step"
    }
   ],
   "advisory": [],
   "unresolved": [],
   "unstable": [
    {
     "window_m": 5.0,
     "start_m": 1981.0,
     "end_m": 1986.0,
     "raw_pct": 19.85,
     "reason": "mask-edge",
     "perturbations": [
      "phase+0.000/mask+0",
      "phase+0.333/mask+1",
      "phase+0.667/mask-1"
     ],
     "perturbation_reasons": [
      "mask-edge",
      "",
      "mask-edge"
     ]
    }
   ]
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.325,
   "obstruction_max_height_m": 37.57,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    1916.0,
    1921.0
   ],
   [
    1940.0,
    1970.0
   ],
   [
    1989.0,
    2007.0
   ],
   [
    2080.0,
    2140.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "076a8e7f889cfb3c2cf6b3de65a6030c7155b1f0",
   "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-mc7",
   "road_pbf": "block-batch-fr-mc7.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:af4eae1f5df9e232"
  },
  "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_E804-N6534_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E804-N6535_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E805-N6533_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E805-N6534_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E805-N6535_0m5@21LHD5NK-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E806-N6533_0m5@21LHD5NK-2025-02-20.tif"
  ],
  "calculated_at": "2026-09-22T14:52:33+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc7.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc7",
  "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": [
   "E804-N6534",
   "E804-N6535",
   "E805-N6533",
   "E805-N6534",
   "E805-N6535",
   "E806-N6533"
  ],
  "elevation_blocks": [
   "21LHD5NK@2025-02-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0804_6535_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0804_6536_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0805_6534_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0805_6535_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0805_6536_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0806_6534_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5NK"
  ],
  "ign_editions": [
   "2025-02-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0804_6535_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0804_6536_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0805_6534_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0805_6535_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0805_6536_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0806_6534_MNT_O_0M50_LAMB93_IGN69": "2025-02-20"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": 2,
  "suppression_unstable": [
   5.0
  ],
  "carriageway": {
   "stations": 186,
   "stations_resolved": 186,
   "width_median_m": 4.25,
   "width_p10_m": 2.5,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.398,
   "unbounded_share": 0.602,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.25,
   "window_m": [
    4182.0,
    4207.0
   ],
   "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": 186,
    "stations_resolved": 186,
    "width_median_m": 4.75,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.855,
    "unbounded_share": 0.145,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.0,
    "window_m": [
     4182.0,
     4207.0
    ],
    "width_at_max25_m": 5.25,
    "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
   }
  },
  "named_from": {
   "col": "Col du Pin-Bouchain",
   "source": "climbs/fr-passes-massif-central.yaml",
   "pass_node_distance_m": 132.0,
   "was": "Chemin du Perroquet",
   "reason_code": "named-from-pass-list"
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Joux",
  "county": "Rh\u00f4ne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}