{
 "ocl_version": "0.1.0",
 "name": "Chemin d'Ordozgoiti",
 "slug": "chemin-d-ordozgoiti",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.35291375838858,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 688.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 195.5702191427523,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": -13.077076627681095
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.32908116782679,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 687.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 195.22740498288528,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": -3.598655397937023
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.33066078510831,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 685.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 194.64074437866466,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": -1.3214955393874561
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.16519520222971,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 680.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 193.7407578976971,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": 0.7799608280063808
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.299292384515468,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 670.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 191.79741894101699,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": 1.0554441349006538
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.024010290329556,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 665.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 190.7512748453377,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": 0.9946632529624821
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.241326440827887,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 640.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 185.63661419750613,
   "end_elevation_m": 196.25727741792008,
   "min_gradient_pct": 1.6417325866530064
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.437697482661946,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 591.0,
   "end_distance_m": 691.0,
   "start_elevation_m": 176.97352486017041,
   "end_elevation_m": 196.41122234283236,
   "min_gradient_pct": 3.9718344312490785
  }
 ],
 "shape": {
  "ascent_concentration": 0.415,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 384.0,
  "shape_class": "sustained"
 },
 "length_m": 1375.2150893022556,
 "start_elevation_m": 125.02195974780848,
 "end_elevation_m": 265.3685714643366,
 "endpoint_gain_m": 140.34661171652812,
 "overall_gradient_pct": 10.205429885715981,
 "accumulated_ascent_m": 140.97299556944233,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.33066078510831,
   "start_distance_m": 685.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 687.5,
   "start_elevation_m": 194.64074437866466,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335701.5476635782,
    6258086.715724356
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  },
  "max_10m": {
   "gradient_pct": 25.16519520222971,
   "start_distance_m": 680.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 685.0,
   "start_elevation_m": 193.7407578976971,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335704.3251367896,
    6258090.8733249325
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  },
  "max_20m": {
   "gradient_pct": 22.299292384515468,
   "start_distance_m": 670.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 680.0,
   "start_elevation_m": 191.79741894101699,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335709.8800832124,
    6258099.1885260865
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  },
  "max_25m": {
   "gradient_pct": 22.024010290329556,
   "start_distance_m": 665.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 677.5,
   "start_elevation_m": 190.7512748453377,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335712.6575564238,
    6258103.346126664
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  },
  "max_50m": {
   "gradient_pct": 21.241326440827887,
   "start_distance_m": 640.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 665.0,
   "start_elevation_m": 185.63661419750613,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335726.5449224808,
    6258124.13412955
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  },
  "max_100m": {
   "gradient_pct": 19.437697482661946,
   "start_distance_m": 591.0,
   "end_distance_m": 691.0,
   "midpoint_distance_m": 641.0,
   "start_elevation_m": 176.97352486017041,
   "end_elevation_m": 196.41122234283236,
   "start_xy": [
    335750.6533713932,
    6258166.631804839
   ],
   "end_xy": [
    335697.9563203253,
    6258081.989321584
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.3214955393874561,
   "start_distance_m": 1140.0,
   "end_distance_m": 1145.0,
   "midpoint_distance_m": 1142.5,
   "start_elevation_m": 254.01077029478267,
   "end_elevation_m": 253.9446955178133,
   "start_xy": [
    335595.20072556305,
    6257690.325122283
   ],
   "end_xy": [
    335593.040516722,
    6257685.81906302
   ]
  },
  "min_10m": {
   "gradient_pct": 0.7799608280063808,
   "start_distance_m": 217.0,
   "end_distance_m": 227.0,
   "midpoint_distance_m": 222.0,
   "start_elevation_m": 138.44179858548898,
   "end_elevation_m": 138.51979466828962,
   "start_xy": [
    335922.12788814824,
    6258357.768428556
   ],
   "end_xy": [
    335918.5598611173,
    6258348.453674381
   ]
  },
  "min_20m": {
   "gradient_pct": 1.0554441349006538,
   "start_distance_m": 198.0,
   "end_distance_m": 218.0,
   "midpoint_distance_m": 208.0,
   "start_elevation_m": 138.23355970057776,
   "end_elevation_m": 138.4446485275579,
   "start_xy": [
    335917.7826917382,
    6258375.545118011
   ],
   "end_xy": [
    335921.8777900341,
    6258356.819757556
   ]
  },
  "min_25m": {
   "gradient_pct": 0.9946632529624821,
   "start_distance_m": 198.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 210.5,
   "start_elevation_m": 138.23355970057776,
   "end_elevation_m": 138.48222551381838,
   "start_xy": [
    335917.7826917382,
    6258375.545118011
   ],
   "end_xy": [
    335920.0344961914,
    6258352.17193357
   ]
  },
  "min_50m": {
   "gradient_pct": 1.6417325866530064,
   "start_distance_m": 178.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 203.0,
   "start_elevation_m": 137.71649058031053,
   "end_elevation_m": 138.53735687363704,
   "start_xy": [
    335905.68638086715,
    6258391.4626885755
   ],
   "end_xy": [
    335918.19120234874,
    6258347.524109583
   ]
  },
  "min_100m": {
   "gradient_pct": 3.9718344312490785,
   "start_distance_m": 143.0,
   "end_distance_m": 243.0,
   "midpoint_distance_m": 193.0,
   "start_elevation_m": 135.4465172893546,
   "end_elevation_m": 139.41835172060368,
   "start_xy": [
    335879.3758508083,
    6258414.5441964995
   ],
   "end_xy": [
    335912.6613208206,
    6258333.580637624
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.35291375838858,
   "start_distance_m": 688.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 689.0,
   "start_elevation_m": 195.5702191427523,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335699.88117965136,
    6258084.221164009
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  },
  "max_3m": {
   "gradient_pct": 34.32908116782679,
   "start_distance_m": 687.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 688.5,
   "start_elevation_m": 195.22740498288528,
   "end_elevation_m": 196.25727741792008,
   "start_xy": [
    335700.43667429365,
    6258085.052684125
   ],
   "end_xy": [
    335698.7701903668,
    6258082.558123778
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.079,
   "obstruction_max_height_m": 18.92,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_E335-N6257_0m5@21LHD1EQ-2025-09-26.tif",
   "data/cache/fr/ign-lidarhd_dtm_E335-N6258_0m5@21LHD1EQ-2025-09-26.tif"
  ],
  "calculated_at": "2026-09-20T05:48:32+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": [
   "E335-N6257",
   "E335-N6258"
  ],
  "elevation_blocks": [
   "21LHD1EQ@2025-09-26"
  ],
  "ign_dalles": [
   "LHD_FXX_0335_6258_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0335_6259_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1EQ"
  ],
  "ign_editions": [
   "2025-09-26"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0335_6258_MNT_O_0M50_LAMB93_IGN69": "2025-09-26",
   "LHD_FXX_0335_6259_MNT_O_0M50_LAMB93_IGN69": "2025-09-26"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 61,
   "stations_resolved": 61,
   "width_median_m": 5.0,
   "width_p10_m": 4.0,
   "width_min_m": 2.25,
   "width_max_m": 10.5,
   "bounded_share": 0.23,
   "unbounded_share": 0.77,
   "confidence_median": 0.0,
   "width_median_bounded_m": 5.0,
   "window_m": [
    665.0,
    690.0
   ],
   "width_at_max25_m": 4.38,
   "window_stations": 6,
   "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": 61,
    "stations_resolved": 61,
    "width_median_m": 8.5,
    "width_p10_m": 4.75,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.525,
    "unbounded_share": 0.475,
    "confidence_median": 0.902,
    "width_median_bounded_m": 6.12,
    "window_m": [
     665.0,
     690.0
    ],
    "width_at_max25_m": 6.0,
    "window_stations": 6,
    "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": "Soura\u00efde",
  "county": "Pyr\u00e9n\u00e9es-Atlantiques",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}