{
 "ocl_version": "0.1.0",
 "name": "Route d'Aunas",
 "slug": "route-d-aunas",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.0709774911345,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 934.0,
   "end_distance_m": 936.0,
   "start_elevation_m": 733.5444135905792,
   "end_elevation_m": 734.1658331404019,
   "min_gradient_pct": -22.791112576584283,
   "suppressed_max_gradient_pct": 45.348160812699234,
   "suppressed_location_m": [
    1065.0,
    1067.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.09062046563334,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 933.0,
   "end_distance_m": 936.0,
   "start_elevation_m": 733.2631145264329,
   "end_elevation_m": 734.1658331404019,
   "min_gradient_pct": -22.341414129001198,
   "suppressed_max_gradient_pct": 39.37790177813364,
   "suppressed_location_m": [
    1064.0,
    1067.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.405688273209307,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 931.0,
   "end_distance_m": 936.0,
   "start_elevation_m": 732.6955487267414,
   "end_elevation_m": 734.1658331404019,
   "min_gradient_pct": -16.340825711943125,
   "suppressed_max_gradient_pct": 31.44791040113205,
   "suppressed_location_m": [
    1062.0,
    1067.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.39463204957815,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 930.0,
   "end_distance_m": 940.0,
   "start_elevation_m": 732.4138751332821,
   "end_elevation_m": 735.1533383382399,
   "min_gradient_pct": -9.775142586537413
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.300871706230964,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 925.0,
   "end_distance_m": 945.0,
   "start_elevation_m": 731.3083646808536,
   "end_elevation_m": 736.1685390220998,
   "min_gradient_pct": -9.475610091759563
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.10928391593461,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 924.0,
   "end_distance_m": 949.0,
   "start_elevation_m": 731.0906839958438,
   "end_elevation_m": 736.8680049748275,
   "min_gradient_pct": -9.326143729106207
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.951062889057766,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 924.0,
   "end_distance_m": 974.0,
   "start_elevation_m": 731.0906839958438,
   "end_elevation_m": 741.5662154403727,
   "min_gradient_pct": -7.552996043897338
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.95697884444735,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 902.0,
   "end_distance_m": 1002.0,
   "start_elevation_m": 728.6672374316438,
   "end_elevation_m": 745.6242162760911,
   "min_gradient_pct": -5.3526043782625266,
   "suppressed_max_gradient_pct": 17.98036171607805,
   "suppressed_location_m": [
    923.0,
    1023.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.449,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 139.0,
  "shape_class": "sustained"
 },
 "length_m": 2776.8999999999605,
 "start_elevation_m": 676.0474893144568,
 "end_elevation_m": 852.4746302551455,
 "endpoint_gain_m": 176.42714094068867,
 "overall_gradient_pct": 6.353384743443811,
 "accumulated_ascent_m": 195.0375133742324,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.405688273209307,
   "start_distance_m": 931.0,
   "end_distance_m": 936.0,
   "midpoint_distance_m": 933.5,
   "start_elevation_m": 732.6955487267414,
   "end_elevation_m": 734.1658331404019,
   "start_xy": [
    775713.0937057417,
    6454788.211842753
   ],
   "end_xy": [
    775711.597189848,
    6454783.441052443
   ]
  },
  "max_10m": {
   "gradient_pct": 27.39463204957815,
   "start_distance_m": 930.0,
   "end_distance_m": 940.0,
   "midpoint_distance_m": 935.0,
   "start_elevation_m": 732.4138751332821,
   "end_elevation_m": 735.1533383382399,
   "start_xy": [
    775713.3930089205,
    6454789.166000815
   ],
   "end_xy": [
    775710.3999771329,
    6454779.624420196
   ]
  },
  "max_20m": {
   "gradient_pct": 24.300871706230964,
   "start_distance_m": 925.0,
   "end_distance_m": 945.0,
   "midpoint_distance_m": 935.0,
   "start_elevation_m": 731.3083646808536,
   "end_elevation_m": 736.1685390220998,
   "start_xy": [
    775716.2257823991,
    6454793.274043103
   ],
   "end_xy": [
    775708.9034612392,
    6454774.853629886
   ]
  },
  "max_25m": {
   "gradient_pct": 23.10928391593461,
   "start_distance_m": 924.0,
   "end_distance_m": 949.0,
   "midpoint_distance_m": 936.5,
   "start_elevation_m": 731.0906839958438,
   "end_elevation_m": 736.8680049748275,
   "start_xy": [
    775716.8042752566,
    6454794.0897305515
   ],
   "end_xy": [
    775707.7062485241,
    6454771.036997639
   ]
  },
  "max_50m": {
   "gradient_pct": 20.951062889057766,
   "start_distance_m": 924.0,
   "end_distance_m": 974.0,
   "midpoint_distance_m": 949.0,
   "start_elevation_m": 731.0906839958438,
   "end_elevation_m": 741.5662154403727,
   "start_xy": [
    775716.8042752566,
    6454794.0897305515
   ],
   "end_xy": [
    775700.1328153448,
    6454747.212886655
   ]
  },
  "max_100m": {
   "gradient_pct": 16.95697884444735,
   "start_distance_m": 902.0,
   "end_distance_m": 1002.0,
   "midpoint_distance_m": 952.0,
   "start_elevation_m": 728.6672374316438,
   "end_elevation_m": 745.6242162760911,
   "start_xy": [
    775729.531118123,
    6454812.03485442
   ],
   "end_xy": [
    775691.0402937124,
    6454720.730325405
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -16.340825711943125,
   "start_distance_m": 1052.0,
   "end_distance_m": 1057.0,
   "midpoint_distance_m": 1054.5,
   "start_elevation_m": 752.2576603182879,
   "end_elevation_m": 751.4406190326907,
   "start_xy": [
    775665.9393817274,
    6454678.677777641
   ],
   "end_xy": [
    775663.5825340159,
    6454674.268098643
   ]
  },
  "min_10m": {
   "gradient_pct": -9.775142586537413,
   "start_distance_m": 2173.0,
   "end_distance_m": 2183.0,
   "midpoint_distance_m": 2178.0,
   "start_elevation_m": 818.8211528183307,
   "end_elevation_m": 817.843638559677,
   "start_xy": [
    774955.5576007722,
    6454154.836893078
   ],
   "end_xy": [
    774948.559617451,
    6454147.6934884675
   ]
  },
  "min_20m": {
   "gradient_pct": -9.475610091759563,
   "start_distance_m": 2161.0,
   "end_distance_m": 2181.0,
   "midpoint_distance_m": 2171.0,
   "start_elevation_m": 819.9304748772417,
   "end_elevation_m": 818.0353528588898,
   "start_xy": [
    774966.0857023672,
    6454160.514035064
   ],
   "end_xy": [
    774949.9592141153,
    6454149.122169389
   ]
  },
  "min_25m": {
   "gradient_pct": -9.326143729106207,
   "start_distance_m": 2158.0,
   "end_distance_m": 2183.0,
   "midpoint_distance_m": 2170.5,
   "start_elevation_m": 820.1751744919535,
   "end_elevation_m": 817.843638559677,
   "start_xy": [
    774968.7560321615,
    6454161.881272714
   ],
   "end_xy": [
    774948.559617451,
    6454147.6934884675
   ]
  },
  "min_50m": {
   "gradient_pct": -7.552996043897338,
   "start_distance_m": 2153.0,
   "end_distance_m": 2203.0,
   "midpoint_distance_m": 2178.0,
   "start_elevation_m": 820.5370150310227,
   "end_elevation_m": 816.7605170090741,
   "start_xy": [
    774973.2065818185,
    6454164.160002129
   ],
   "end_xy": [
    774936.5116151738,
    6454131.8403390655
   ]
  },
  "min_100m": {
   "gradient_pct": -5.3526043782625266,
   "start_distance_m": 2143.0,
   "end_distance_m": 2243.0,
   "midpoint_distance_m": 2193.0,
   "start_elevation_m": 820.437478790067,
   "end_elevation_m": 815.0848744118044,
   "start_xy": [
    774982.2429779527,
    6454168.434823754
   ],
   "end_xy": [
    774915.4941251448,
    6454097.876410862
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.0709774911345,
   "start_distance_m": 934.0,
   "end_distance_m": 936.0,
   "midpoint_distance_m": 935.0,
   "start_elevation_m": 733.5444135905792,
   "end_elevation_m": 734.1658331404019,
   "start_xy": [
    775712.1957962054,
    6454785.349368568
   ],
   "end_xy": [
    775711.597189848,
    6454783.441052443
   ]
  },
  "max_3m": {
   "gradient_pct": 30.09062046563334,
   "start_distance_m": 933.0,
   "end_distance_m": 936.0,
   "midpoint_distance_m": 934.5,
   "start_elevation_m": 733.2631145264329,
   "end_elevation_m": 734.1658331404019,
   "start_xy": [
    775712.4950993842,
    6454786.30352663
   ],
   "end_xy": [
    775711.597189848,
    6454783.441052443
   ]
  }
 },
 "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": 0.063,
   "windows_resited": [
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.066,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 1062.0,
     "end_m": 1067.0,
     "raw_pct": 31.45,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.284,
   "obstruction_max_height_m": 25.8,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    720.0,
    790.0
   ],
   [
    860.0,
    890.0
   ],
   [
    1010.0,
    1050.0
   ],
   [
    1060.0,
    1069.0
   ],
   [
    1080.0,
    1110.0
   ]
  ],
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "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-mc6",
   "road_pbf": "block-batch-fr-mc6.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_E774-N6453_0m5@21LHD4MM-2025-03-12.tif",
   "data/cache/fr/ign-lidarhd_dtm_E774-N6454_0m5@21LHD4MM-2025-03-12.tif",
   "data/cache/fr/ign-lidarhd_dtm_E775-N6453_0m5@21LHD4MM-2025-03-12.tif",
   "data/cache/fr/ign-lidarhd_dtm_E775-N6454_0m5@21LHD4MM-2025-03-12.tif",
   "data/cache/fr/ign-lidarhd_dtm_E775-N6455_0m5@21LHD4MM-2025-03-12.tif",
   "data/cache/fr/ign-lidarhd_dtm_E776-N6454_0m5@21LHD4MM-2025-03-12.tif",
   "data/cache/fr/ign-lidarhd_dtm_E776-N6455_0m5@21LHD4MM-2025-03-12.tif"
  ],
  "calculated_at": "2026-09-22T19:10:03+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc6.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc6",
  "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": [
   "E774-N6453",
   "E774-N6454",
   "E775-N6453",
   "E775-N6454",
   "E775-N6455",
   "E776-N6454",
   "E776-N6455"
  ],
  "elevation_blocks": [
   "21LHD4MM@2025-03-12"
  ],
  "ign_dalles": [
   "LHD_FXX_0774_6454_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0774_6455_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0775_6454_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0775_6455_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0775_6456_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0776_6455_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0776_6456_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD4MM"
  ],
  "ign_editions": [
   "2025-03-12"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0774_6454_MNT_O_0M50_LAMB93_IGN69": "2025-03-12",
   "LHD_FXX_0774_6455_MNT_O_0M50_LAMB93_IGN69": "2025-03-12",
   "LHD_FXX_0775_6454_MNT_O_0M50_LAMB93_IGN69": "2025-03-12",
   "LHD_FXX_0775_6455_MNT_O_0M50_LAMB93_IGN69": "2025-03-12",
   "LHD_FXX_0775_6456_MNT_O_0M50_LAMB93_IGN69": "2025-03-12",
   "LHD_FXX_0776_6455_MNT_O_0M50_LAMB93_IGN69": "2025-03-12",
   "LHD_FXX_0776_6456_MNT_O_0M50_LAMB93_IGN69": "2025-03-12"
  },
  "route_cut_m": 2776.9,
  "climb_origin": "discovered",
  "structure_own_ways": 6,
  "carriageway": {
   "stations": 118,
   "stations_resolved": 118,
   "width_median_m": 4.5,
   "width_p10_m": 2.75,
   "width_min_m": 1.25,
   "width_max_m": 10.5,
   "bounded_share": 0.398,
   "unbounded_share": 0.602,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    924.0,
    949.0
   ],
   "width_at_max25_m": 4.25,
   "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": 118,
    "stations_resolved": 118,
    "width_median_m": 4.88,
    "width_p10_m": 1.0,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.856,
    "unbounded_share": 0.144,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.5,
    "window_m": [
     924.0,
     949.0
    ],
    "width_at_max25_m": 3.25,
    "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
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Chamali\u00e8res-sur-Loire",
  "county": "Haute-Loire",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}