{
 "ocl_version": "0.1.0",
 "name": "Chemin des Palombieres",
 "slug": "chemin-des-palombieres-2-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.63812767081879,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 1079.0,
   "end_distance_m": 1081.0,
   "start_elevation_m": 442.4716337681344,
   "end_elevation_m": 443.00439632155076,
   "min_gradient_pct": -14.588449699982675,
   "suppressed_max_gradient_pct": 82.70745137852202,
   "suppressed_location_m": [
    10.0,
    12.0
   ],
   "suppressed_min_gradient_pct": -29.82761779539942,
   "suppressed_min_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.952505749154398,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded_min"
   ],
   "start_distance_m": 1038.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 434.1010250141827,
   "end_elevation_m": 434.87960018665734,
   "min_gradient_pct": -10.03825491750566,
   "suppressed_max_gradient_pct": 76.58581624112723,
   "suppressed_location_m": [
    9.0,
    12.0
   ],
   "suppressed_min_gradient_pct": -19.23639722455353,
   "suppressed_min_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.906395598584595,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 1036.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 433.5842804067281,
   "end_elevation_m": 434.87960018665734,
   "min_gradient_pct": -8.78523531101223,
   "suppressed_max_gradient_pct": 62.007063303619816,
   "suppressed_location_m": [
    7.0,
    12.0
   ],
   "suppressed_min_gradient_pct": -9.198788332793129,
   "suppressed_min_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.19386114260101,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1036.0,
   "end_distance_m": 1046.0,
   "start_elevation_m": 433.5842804067281,
   "end_elevation_m": 436.1036665209882,
   "min_gradient_pct": -6.4606018242375285,
   "suppressed_max_gradient_pct": 35.412751992383846,
   "suppressed_location_m": [
    3.0,
    13.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.18406958731765,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1028.0,
   "end_distance_m": 1048.0,
   "start_elevation_m": 431.7589872071686,
   "end_elevation_m": 436.59580112463215,
   "min_gradient_pct": -3.2712356078715743
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.4087115272539,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1026.0,
   "end_distance_m": 1051.0,
   "start_elevation_m": 431.38044576842856,
   "end_elevation_m": 437.23262365024203,
   "min_gradient_pct": -2.3741527616996336,
   "suppressed_max_gradient_pct": 23.683354368101163,
   "suppressed_location_m": [
    1043.0,
    1068.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.430405363421187,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1000.0,
   "end_distance_m": 1050.0,
   "start_elevation_m": 426.33018102104734,
   "end_elevation_m": 437.04538370275793,
   "min_gradient_pct": -0.22804094886294024,
   "suppressed_max_gradient_pct": 22.813747260762966,
   "suppressed_location_m": [
    1018.0,
    1068.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.6850247421537,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 960.0,
   "end_distance_m": 1060.0,
   "start_elevation_m": 418.18689822373585,
   "end_elevation_m": 438.87192296588955,
   "min_gradient_pct": 3.730623643213505,
   "suppressed_max_gradient_pct": 21.5147179649021,
   "suppressed_location_m": [
    968.0,
    1068.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.376,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 199.0,
  "shape_class": "sustained"
 },
 "length_m": 1507.823688796572,
 "start_elevation_m": 326.94669158933476,
 "end_elevation_m": 472.4145532226605,
 "endpoint_gain_m": 145.46786163332575,
 "overall_gradient_pct": 9.64753788617202,
 "accumulated_ascent_m": 148.77587506656624,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.906395598584595,
   "start_distance_m": 1036.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1038.5,
   "start_elevation_m": 433.5842804067281,
   "end_elevation_m": 434.87960018665734,
   "start_xy": [
    393201.67956155667,
    6229027.030233588
   ],
   "end_xy": [
    393199.2626955234,
    6229022.65316167
   ]
  },
  "max_10m": {
   "gradient_pct": 25.19386114260101,
   "start_distance_m": 1036.0,
   "end_distance_m": 1046.0,
   "midpoint_distance_m": 1041.0,
   "start_elevation_m": 433.5842804067281,
   "end_elevation_m": 436.1036665209882,
   "start_xy": [
    393201.67956155667,
    6229027.030233588
   ],
   "end_xy": [
    393196.8458294901,
    6229018.276089752
   ]
  },
  "max_20m": {
   "gradient_pct": 24.18406958731765,
   "start_distance_m": 1028.0,
   "end_distance_m": 1048.0,
   "midpoint_distance_m": 1038.0,
   "start_elevation_m": 431.7589872071686,
   "end_elevation_m": 436.59580112463215,
   "start_xy": [
    393205.5465472099,
    6229034.033548657
   ],
   "end_xy": [
    393195.87908307684,
    6229016.525260984
   ]
  },
  "max_25m": {
   "gradient_pct": 23.4087115272539,
   "start_distance_m": 1026.0,
   "end_distance_m": 1051.0,
   "midpoint_distance_m": 1038.5,
   "start_elevation_m": 431.38044576842856,
   "end_elevation_m": 437.23262365024203,
   "start_xy": [
    393206.5132936232,
    6229035.784377424
   ],
   "end_xy": [
    393195.4543038582,
    6229013.556863844
   ]
  },
  "max_50m": {
   "gradient_pct": 21.430405363421187,
   "start_distance_m": 1000.0,
   "end_distance_m": 1050.0,
   "midpoint_distance_m": 1025.0,
   "start_elevation_m": 426.33018102104734,
   "end_elevation_m": 437.04538370275793,
   "start_xy": [
    393208.4011445753,
    6229061.281262659
   ],
   "end_xy": [
    393195.5935038006,
    6229014.54712814
   ]
  },
  "max_100m": {
   "gradient_pct": 20.6850247421537,
   "start_distance_m": 960.0,
   "end_distance_m": 1060.0,
   "midpoint_distance_m": 1010.0,
   "start_elevation_m": 418.18689822373585,
   "end_elevation_m": 438.87192296588955,
   "start_xy": [
    393204.1275879496,
    6229101.031608072
   ],
   "end_xy": [
    393199.89538874914,
    6229006.49463165
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.78523531101223,
   "start_distance_m": 1147.0,
   "end_distance_m": 1152.0,
   "midpoint_distance_m": 1149.5,
   "start_elevation_m": 453.0572571095308,
   "end_elevation_m": 452.61799534398017,
   "start_xy": [
    393282.5721527205,
    6229000.007117165
   ],
   "end_xy": [
    393286.83274390514,
    6228997.390370567
   ]
  },
  "min_10m": {
   "gradient_pct": -6.4606018242375285,
   "start_distance_m": 1144.0,
   "end_distance_m": 1154.0,
   "midpoint_distance_m": 1149.0,
   "start_elevation_m": 453.19951008522844,
   "end_elevation_m": 452.5534499028047,
   "start_xy": [
    393280.0157980097,
    6229001.577165124
   ],
   "end_xy": [
    393286.5926833227,
    6228995.912209994
   ]
  },
  "min_20m": {
   "gradient_pct": -3.2712356078715743,
   "start_distance_m": 1143.0,
   "end_distance_m": 1163.0,
   "midpoint_distance_m": 1153.0,
   "start_elevation_m": 453.1952426764673,
   "end_elevation_m": 452.54099555489296,
   "start_xy": [
    393279.16367977276,
    6229002.100514444
   ],
   "end_xy": [
    393281.6358485981,
    6228988.400233589
   ]
  },
  "min_25m": {
   "gradient_pct": -2.3741527616996336,
   "start_distance_m": 1143.0,
   "end_distance_m": 1168.0,
   "midpoint_distance_m": 1155.5,
   "start_elevation_m": 453.1952426764673,
   "end_elevation_m": 452.60170448604237,
   "start_xy": [
    393279.16367977276,
    6229002.100514444
   ],
   "end_xy": [
    393278.8820515289,
    6228984.226913364
   ]
  },
  "min_50m": {
   "gradient_pct": -0.22804094886294024,
   "start_distance_m": 1140.0,
   "end_distance_m": 1190.0,
   "midpoint_distance_m": 1165.0,
   "start_elevation_m": 453.12388866478983,
   "end_elevation_m": 453.00986819035836,
   "start_xy": [
    393276.607325062,
    6229003.670562402
   ],
   "end_xy": [
    393266.7653444243,
    6228965.864304373
   ]
  },
  "min_100m": {
   "gradient_pct": 3.730623643213505,
   "start_distance_m": 1132.0,
   "end_distance_m": 1232.0,
   "midpoint_distance_m": 1182.0,
   "start_elevation_m": 452.5033136375241,
   "end_elevation_m": 456.2339372807376,
   "start_xy": [
    393269.79037916654,
    6229007.857356959
   ],
   "end_xy": [
    393243.51652919984,
    6228930.890854595
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.63812767081879,
   "start_distance_m": 1079.0,
   "end_distance_m": 1081.0,
   "midpoint_distance_m": 1080.0,
   "start_elevation_m": 442.4716337681344,
   "end_elevation_m": 443.00439632155076,
   "start_xy": [
    393218.4282851491,
    6229008.912327545
   ],
   "end_xy": [
    393220.3744716151,
    6229009.373150981
   ]
  },
  "max_3m": {
   "gradient_pct": 25.952505749154398,
   "start_distance_m": 1038.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1039.5,
   "start_elevation_m": 434.1010250141827,
   "end_elevation_m": 434.87960018665734,
   "start_xy": [
    393200.71281514334,
    6229025.279404821
   ],
   "end_xy": [
    393199.2626955234,
    6229022.65316167
   ]
  }
 },
 "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": 0.008,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.015,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0
   ],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 1063.0,
     "end_m": 1068.0,
     "raw_pct": 37.76,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.181,
   "obstruction_max_height_m": 25.62,
   "flagged_windows_m": [
    2,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    3.0
   ],
   [
    7.0,
    14.0
   ],
   [
    1061.0,
    1070.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "06fa4c370391597f015858e97dcf01ca2f5b3640",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:0048c2bbb24ab95e",
   "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-pyr1",
   "road_pbf": "block-batch-fr-pyr1.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:c54ac68b3f57b41b"
  },
  "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_E392-N6228_0m5@21LHD1FR-2025-03-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E392-N6229_0m5@21LHD1FR-2025-03-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E393-N6228_0m5@21LHD1FR-2025-03-21.tif",
   "data/cache/fr/ign-lidarhd_dtm_E393-N6229_0m5@21LHD1FR-2025-03-21.tif"
  ],
  "calculated_at": "2026-09-20T06:21:26+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pyr1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pyr1",
  "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": [
   "E392-N6228",
   "E392-N6229",
   "E393-N6228",
   "E393-N6229"
  ],
  "elevation_blocks": [
   "21LHD1FR@2025-03-21"
  ],
  "ign_dalles": [
   "LHD_FXX_0392_6229_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0392_6230_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0393_6229_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0393_6230_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1FR"
  ],
  "ign_editions": [
   "2025-03-21"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0392_6229_MNT_O_0M50_LAMB93_IGN69": "2025-03-21",
   "LHD_FXX_0392_6230_MNT_O_0M50_LAMB93_IGN69": "2025-03-21",
   "LHD_FXX_0393_6229_MNT_O_0M50_LAMB93_IGN69": "2025-03-21",
   "LHD_FXX_0393_6230_MNT_O_0M50_LAMB93_IGN69": "2025-03-21"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 67,
   "stations_resolved": 67,
   "width_median_m": 4.75,
   "width_p10_m": 3.15,
   "width_min_m": 1.0,
   "width_max_m": 10.25,
   "bounded_share": 0.358,
   "unbounded_share": 0.642,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.88,
   "window_m": [
    1026.0,
    1051.0
   ],
   "width_at_max25_m": 5.75,
   "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": 67,
    "stations_resolved": 67,
    "width_median_m": 4.75,
    "width_p10_m": 1.4,
    "width_min_m": 0.5,
    "width_max_m": 11.0,
    "bounded_share": 0.806,
    "unbounded_share": 0.194,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.12,
    "window_m": [
     1026.0,
     1051.0
    ],
    "width_at_max25_m": 4.5,
    "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": "Lanne-en-Bar\u00e9tous",
  "county": "Pyr\u00e9n\u00e9es-Atlantiques",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}