{
 "ocl_version": "0.1.0",
 "name": "Route des Bourdenoux",
 "slug": "route-des-bourdenoux",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.076070094858665,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 176.0,
   "end_distance_m": 178.0,
   "start_elevation_m": 146.1135124726305,
   "end_elevation_m": 146.71503387452768,
   "min_gradient_pct": -12.418673957293436,
   "suppressed_max_gradient_pct": 38.31217586331235,
   "suppressed_location_m": [
    480.0,
    482.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.06780517394509,
   "diagnostic": true,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 175.0,
   "end_distance_m": 178.0,
   "start_elevation_m": 145.99299971930932,
   "end_elevation_m": 146.71503387452768,
   "min_gradient_pct": -12.38274459342866,
   "suppressed_max_gradient_pct": 38.31235657988638,
   "suppressed_location_m": [
    480.0,
    483.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.511708100213127,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 101.0,
   "end_distance_m": 106.0,
   "start_elevation_m": 132.85514102538636,
   "end_elevation_m": 133.93072643039702,
   "min_gradient_pct": -12.113531263149753,
   "suppressed_max_gradient_pct": 38.31225485298205,
   "suppressed_location_m": [
    480.0,
    485.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.864600799588118,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 96.0,
   "end_distance_m": 106.0,
   "start_elevation_m": 131.8442663504382,
   "end_elevation_m": 133.93072643039702,
   "min_gradient_pct": -11.418587671989826,
   "suppressed_max_gradient_pct": 34.88089009491546,
   "suppressed_location_m": [
    476.0,
    486.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.409270153117518,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 96.0,
   "end_distance_m": 116.0,
   "start_elevation_m": 131.8442663504382,
   "end_elevation_m": 135.9261203810617,
   "min_gradient_pct": -9.710689880470511,
   "suppressed_max_gradient_pct": 27.371052654239918,
   "suppressed_location_m": [
    476.0,
    496.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.0873590405007,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 94.0,
   "end_distance_m": 119.0,
   "start_elevation_m": 131.4512403729684,
   "end_elevation_m": 136.4730801330936,
   "min_gradient_pct": -9.02745345366543,
   "suppressed_max_gradient_pct": 26.121272770323003,
   "suppressed_location_m": [
    477.0,
    502.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.838941774434204,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 85.0,
   "end_distance_m": 135.0,
   "start_elevation_m": 129.8448495988726,
   "end_elevation_m": 139.2643204860897,
   "min_gradient_pct": -6.489254307632621,
   "suppressed_max_gradient_pct": 22.477039384849263,
   "suppressed_location_m": [
    458.0,
    508.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.02771516499081,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 78.0,
   "end_distance_m": 178.0,
   "start_elevation_m": 128.68731870953687,
   "end_elevation_m": 146.71503387452768,
   "min_gradient_pct": -4.0825034219370195,
   "suppressed_max_gradient_pct": 19.76038358826139,
   "suppressed_location_m": [
    457.0,
    557.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.496,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 171.0,
  "shape_class": "stepped"
 },
 "length_m": 1695.9811068352885,
 "start_elevation_m": 120.6426906933442,
 "end_elevation_m": 200.15785962670742,
 "endpoint_gain_m": 79.51516893336321,
 "overall_gradient_pct": 4.68844662319022,
 "accumulated_ascent_m": 93.07659426054352,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.511708100213127,
   "start_distance_m": 101.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 103.5,
   "start_elevation_m": 132.85514102538636,
   "end_elevation_m": 133.93072643039702,
   "start_xy": [
    573655.7357901592,
    6462663.411311671
   ],
   "end_xy": [
    573650.7428268952,
    6462663.676486791
   ]
  },
  "max_10m": {
   "gradient_pct": 20.864600799588118,
   "start_distance_m": 96.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 101.0,
   "start_elevation_m": 131.8442663504382,
   "end_elevation_m": 133.93072643039702,
   "start_xy": [
    573660.7287534232,
    6462663.14613655
   ],
   "end_xy": [
    573650.7428268952,
    6462663.676486791
   ]
  },
  "max_20m": {
   "gradient_pct": 20.409270153117518,
   "start_distance_m": 96.0,
   "end_distance_m": 116.0,
   "midpoint_distance_m": 106.0,
   "start_elevation_m": 131.8442663504382,
   "end_elevation_m": 135.9261203810617,
   "start_xy": [
    573660.7287534232,
    6462663.14613655
   ],
   "end_xy": [
    573640.7569003672,
    6462664.206837032
   ]
  },
  "max_25m": {
   "gradient_pct": 20.0873590405007,
   "start_distance_m": 94.0,
   "end_distance_m": 119.0,
   "midpoint_distance_m": 106.5,
   "start_elevation_m": 131.4512403729684,
   "end_elevation_m": 136.4730801330936,
   "start_xy": [
    573662.7259387288,
    6462663.040066502
   ],
   "end_xy": [
    573637.7611224088,
    6462664.365942105
   ]
  },
  "max_50m": {
   "gradient_pct": 18.838941774434204,
   "start_distance_m": 85.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 110.0,
   "start_elevation_m": 129.8448495988726,
   "end_elevation_m": 139.2643204860897,
   "start_xy": [
    573671.6714683411,
    6462662.222727163
   ],
   "end_xy": [
    573621.7836399641,
    6462665.21450249
   ]
  },
  "max_100m": {
   "gradient_pct": 18.02771516499081,
   "start_distance_m": 78.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 128.68731870953687,
   "end_elevation_m": 146.71503387452768,
   "start_xy": [
    573678.5433709484,
    6462660.889702573
   ],
   "end_xy": [
    573579.9566487022,
    6462674.557949336
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.113531263149753,
   "start_distance_m": 1197.0,
   "end_distance_m": 1202.0,
   "midpoint_distance_m": 1199.5,
   "start_elevation_m": 198.7249087224927,
   "end_elevation_m": 198.1192321593352,
   "start_xy": [
    572764.3153948615,
    6462211.074886013
   ],
   "end_xy": [
    572760.1838306345,
    6462208.32549177
   ]
  },
  "min_10m": {
   "gradient_pct": -11.418587671989826,
   "start_distance_m": 1193.0,
   "end_distance_m": 1203.0,
   "midpoint_distance_m": 1198.0,
   "start_elevation_m": 199.14128899351513,
   "end_elevation_m": 197.99943022631615,
   "start_xy": [
    572767.778594914,
    6462213.076446753
   ],
   "end_xy": [
    572759.503712769,
    6462207.592388988
   ]
  },
  "min_20m": {
   "gradient_pct": -9.710689880470511,
   "start_distance_m": 1189.0,
   "end_distance_m": 1209.0,
   "midpoint_distance_m": 1199.0,
   "start_elevation_m": 199.4791970474178,
   "end_elevation_m": 197.5370590713237,
   "start_xy": [
    572771.2417949664,
    6462215.078007494
   ],
   "end_xy": [
    572755.4230055767,
    6462203.193772295
   ]
  },
  "min_25m": {
   "gradient_pct": -9.02745345366543,
   "start_distance_m": 1183.0,
   "end_distance_m": 1208.0,
   "midpoint_distance_m": 1195.5,
   "start_elevation_m": 199.87198769793116,
   "end_elevation_m": 197.6151243345148,
   "start_xy": [
    572776.348995749,
    6462218.211477895
   ],
   "end_xy": [
    572756.1031234422,
    6462203.926875077
   ]
  },
  "min_50m": {
   "gradient_pct": -6.489254307632621,
   "start_distance_m": 1164.0,
   "end_distance_m": 1214.0,
   "midpoint_distance_m": 1189.0,
   "start_elevation_m": 200.5991850843552,
   "end_elevation_m": 197.3545579305389,
   "start_xy": [
    572791.4301738204,
    6462229.768210477
   ],
   "end_xy": [
    572752.0224162497,
    6462199.528258384
   ]
  },
  "min_100m": {
   "gradient_pct": -4.0825034219370195,
   "start_distance_m": 1115.0,
   "end_distance_m": 1215.0,
   "midpoint_distance_m": 1165.0,
   "start_elevation_m": 201.41655389859883,
   "end_elevation_m": 197.33405047666182,
   "start_xy": [
    572830.3237383203,
    6462259.572415558
   ],
   "end_xy": [
    572751.3422983844,
    6462198.7951556025
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.076070094858665,
   "start_distance_m": 176.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 177.0,
   "start_elevation_m": 146.1135124726305,
   "end_elevation_m": 146.71503387452768,
   "start_xy": [
    573581.8300210367,
    6462673.85760935
   ],
   "end_xy": [
    573579.9566487022,
    6462674.557949336
   ]
  },
  "max_3m": {
   "gradient_pct": 24.06780517394509,
   "start_distance_m": 175.0,
   "end_distance_m": 178.0,
   "midpoint_distance_m": 176.5,
   "start_elevation_m": 145.99299971930932,
   "end_elevation_m": 146.71503387452768,
   "start_xy": [
    573582.766707204,
    6462673.507439357
   ],
   "end_xy": [
    573579.9566487022,
    6462674.557949336
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.03,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.071,
   "obstruction_max_height_m": 24.16,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    470.0,
    520.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "1cc9fdcd6556a02163cb21acb2293cad3067d2a1",
   "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-mc1",
   "road_pbf": "block-batch-fr-mc1.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_E572-N6461_0m5@21LHD2IM-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E572-N6462_0m5@21LHD2IM-2025-02-20.tif",
   "data/cache/fr/ign-lidarhd_dtm_E573-N6462_0m5@21LHD2IM-2025-02-20.tif"
  ],
  "calculated_at": "2026-09-22T15:08:36+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc1",
  "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": [
   "E572-N6461",
   "E572-N6462",
   "E573-N6462"
  ],
  "elevation_blocks": [
   "21LHD2IM@2025-02-20"
  ],
  "ign_dalles": [
   "LHD_FXX_0572_6462_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0572_6463_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0573_6463_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD2IM"
  ],
  "ign_editions": [
   "2025-02-20"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0572_6462_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0572_6463_MNT_O_0M50_LAMB93_IGN69": "2025-02-20",
   "LHD_FXX_0573_6463_MNT_O_0M50_LAMB93_IGN69": "2025-02-20"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 1,
  "carriageway": {
   "stations": 74,
   "stations_resolved": 74,
   "width_median_m": 5.12,
   "width_p10_m": 3.25,
   "width_min_m": 1.75,
   "width_max_m": 12.0,
   "bounded_share": 0.284,
   "unbounded_share": 0.716,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.25,
   "window_m": [
    94.0,
    119.0
   ],
   "width_at_max25_m": 6.0,
   "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": 74,
    "stations_resolved": 74,
    "width_median_m": 7.88,
    "width_p10_m": 3.65,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.581,
    "unbounded_share": 0.419,
    "confidence_median": 0.938,
    "width_median_bounded_m": 5.5,
    "window_m": [
     94.0,
     119.0
    ],
    "width_at_max25_m": 6.5,
    "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": "Saint-Aulaire",
  "county": "Corr\u00e8ze",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}