{
 "ocl_version": "0.1.0",
 "name": "Col des Annes",
 "slug": "route-du-col-des-annes",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.61246356794845,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5355.0,
   "end_distance_m": 5357.0,
   "start_elevation_m": 1551.8537941080735,
   "end_elevation_m": 1552.6460433794325,
   "min_gradient_pct": -275.9439628854466,
   "suppressed_max_gradient_pct": 286.1850093258113,
   "suppressed_location_m": [
    2918.0,
    2920.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.732856285226262,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5425.0,
   "end_distance_m": 5428.0,
   "start_elevation_m": 1556.8288825071343,
   "end_elevation_m": 1557.750868195691,
   "min_gradient_pct": -183.24789562526954,
   "suppressed_max_gradient_pct": 191.73817483195612,
   "suppressed_location_m": [
    2918.0,
    2921.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.083821167633687,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5423.0,
   "end_distance_m": 5428.0,
   "start_elevation_m": 1556.3466771373094,
   "end_elevation_m": 1557.750868195691,
   "min_gradient_pct": -108.80803663822462,
   "suppressed_max_gradient_pct": 116.18360563611077,
   "suppressed_location_m": [
    2916.0,
    2921.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.782614671901683,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5419.0,
   "end_distance_m": 5429.0,
   "start_elevation_m": 1555.798469247878,
   "end_elevation_m": 1557.9767307150682,
   "min_gradient_pct": -51.22852551309734,
   "suppressed_max_gradient_pct": 59.99019381477183,
   "suppressed_location_m": [
    2918.0,
    2928.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.18345436886034,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 3561.0,
   "end_distance_m": 3581.0,
   "start_elevation_m": 1413.560359655536,
   "end_elevation_m": 1417.1970505293082,
   "min_gradient_pct": -20.321785284463658,
   "suppressed_max_gradient_pct": 32.93019624949238,
   "suppressed_location_m": [
    2918.0,
    2938.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.0743169086536,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 3562.0,
   "end_distance_m": 3587.0,
   "start_elevation_m": 1413.7095634515147,
   "end_elevation_m": 1418.228142678678,
   "min_gradient_pct": -13.557601642785812,
   "suppressed_max_gradient_pct": 27.321931103944735,
   "suppressed_location_m": [
    2918.0,
    2943.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.751272796002922,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 6670.0,
   "end_distance_m": 6720.0,
   "start_elevation_m": 1694.4469871759807,
   "end_elevation_m": 1702.8226235739821,
   "min_gradient_pct": -4.097914061410393,
   "suppressed_max_gradient_pct": 18.992809245844,
   "suppressed_location_m": [
    1139.0,
    1189.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.31696689082787,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6660.0,
   "end_distance_m": 6760.0,
   "start_elevation_m": 1693.0715064678536,
   "end_elevation_m": 1708.3884733586815,
   "min_gradient_pct": -0.9388640825516177
  }
 ],
 "shape": {
  "ascent_concentration": 0.305,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 357.0,
  "shape_class": "sustained"
 },
 "length_m": 6862.579016024618,
 "start_elevation_m": 1054.536406569339,
 "end_elevation_m": 1720.7288021601537,
 "endpoint_gain_m": 666.1923955908146,
 "overall_gradient_pct": 9.707609836407087,
 "accumulated_ascent_m": 683.470579993892,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.083821167633687,
   "start_distance_m": 5423.0,
   "end_distance_m": 5428.0,
   "midpoint_distance_m": 5425.5,
   "start_elevation_m": 1556.3466771373094,
   "end_elevation_m": 1557.750868195691,
   "start_xy": [
    971600.5011067518,
    6546811.2863360625
   ],
   "end_xy": [
    971604.5244776328,
    6546814.254919353
   ]
  },
  "max_10m": {
   "gradient_pct": 21.782614671901683,
   "start_distance_m": 5419.0,
   "end_distance_m": 5429.0,
   "midpoint_distance_m": 5424.0,
   "start_elevation_m": 1555.798469247878,
   "end_elevation_m": 1557.9767307150682,
   "start_xy": [
    971597.282410047,
    6546808.91146943
   ],
   "end_xy": [
    971605.3291518091,
    6546814.848636011
   ]
  },
  "max_20m": {
   "gradient_pct": 18.18345436886034,
   "start_distance_m": 3561.0,
   "end_distance_m": 3581.0,
   "midpoint_distance_m": 3571.0,
   "start_elevation_m": 1413.560359655536,
   "end_elevation_m": 1417.1970505293082,
   "start_xy": [
    970611.2682341432,
    6545375.025578725
   ],
   "end_xy": [
    970617.5990516215,
    6545393.759342736
   ]
  },
  "max_25m": {
   "gradient_pct": 18.0743169086536,
   "start_distance_m": 3562.0,
   "end_distance_m": 3587.0,
   "midpoint_distance_m": 3574.5,
   "start_elevation_m": 1413.7095634515147,
   "end_elevation_m": 1418.228142678678,
   "start_xy": [
    970611.3840447471,
    6545376.01885004
   ],
   "end_xy": [
    970620.9783972591,
    6545398.705401761
   ]
  },
  "max_50m": {
   "gradient_pct": 16.751272796002922,
   "start_distance_m": 6670.0,
   "end_distance_m": 6720.0,
   "midpoint_distance_m": 6695.0,
   "start_elevation_m": 1694.4469871759807,
   "end_elevation_m": 1702.8226235739821,
   "start_xy": [
    972545.8234895209,
    6547221.915978626
   ],
   "end_xy": [
    972588.8678710603,
    6547240.379838375
   ]
  },
  "max_100m": {
   "gradient_pct": 15.31696689082787,
   "start_distance_m": 6660.0,
   "end_distance_m": 6760.0,
   "midpoint_distance_m": 6710.0,
   "start_elevation_m": 1693.0715064678536,
   "end_elevation_m": 1708.3884733586815,
   "start_xy": [
    972544.4144698781,
    6547212.299617561
   ],
   "end_xy": [
    972625.5854796162,
    6547255.273125509
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -108.80803663822462,
   "start_distance_m": 2913.0,
   "end_distance_m": 2918.0,
   "midpoint_distance_m": 2915.5,
   "start_elevation_m": 1358.3454610747988,
   "end_elevation_m": 1352.9050592428875,
   "start_xy": [
    970364.8101947188,
    6544852.490860415
   ],
   "end_xy": [
    970366.4094159089,
    6544857.228211108
   ]
  },
  "min_10m": {
   "gradient_pct": -51.22852551309734,
   "start_distance_m": 2908.0,
   "end_distance_m": 2918.0,
   "midpoint_distance_m": 2913.0,
   "start_elevation_m": 1358.0279117941973,
   "end_elevation_m": 1352.9050592428875,
   "start_xy": [
    970363.2109735287,
    6544847.753509722
   ],
   "end_xy": [
    970366.4094159089,
    6544857.228211108
   ]
  },
  "min_20m": {
   "gradient_pct": -20.321785284463658,
   "start_distance_m": 2898.0,
   "end_distance_m": 2918.0,
   "midpoint_distance_m": 2908.0,
   "start_elevation_m": 1356.9694162997803,
   "end_elevation_m": 1352.9050592428875,
   "start_xy": [
    970362.7366681492,
    6544838.299999541
   ],
   "end_xy": [
    970366.4094159089,
    6544857.228211108
   ]
  },
  "min_25m": {
   "gradient_pct": -13.557601642785812,
   "start_distance_m": 2893.0,
   "end_distance_m": 2918.0,
   "midpoint_distance_m": 2905.5,
   "start_elevation_m": 1356.294459653584,
   "end_elevation_m": 1352.9050592428875,
   "start_xy": [
    970364.4093955377,
    6544833.588101506
   ],
   "end_xy": [
    970366.4094159089,
    6544857.228211108
   ]
  },
  "min_50m": {
   "gradient_pct": -4.097914061410393,
   "start_distance_m": 4040.0,
   "end_distance_m": 4090.0,
   "midpoint_distance_m": 4065.0,
   "start_elevation_m": 1458.5310646654116,
   "end_elevation_m": 1456.4821076347064,
   "start_xy": [
    970895.8836923884,
    6545719.328020671
   ],
   "end_xy": [
    970912.4454680163,
    6545766.425622639
   ]
  },
  "min_100m": {
   "gradient_pct": -0.9388640825516177,
   "start_distance_m": 4035.0,
   "end_distance_m": 4135.0,
   "midpoint_distance_m": 4085.0,
   "start_elevation_m": 1458.456620170992,
   "end_elevation_m": 1457.5177560884404,
   "start_xy": [
    970893.7603933625,
    6545714.811178618
   ],
   "end_xy": [
    970932.676289286,
    6545806.165465175
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.61246356794845,
   "start_distance_m": 5355.0,
   "end_distance_m": 5357.0,
   "midpoint_distance_m": 5356.0,
   "start_elevation_m": 1551.8537941080735,
   "end_elevation_m": 1552.6460433794325,
   "start_xy": [
    971553.951863261,
    6546762.232794796
   ],
   "end_xy": [
    971554.9593755743,
    6546763.960486591
   ]
  },
  "max_3m": {
   "gradient_pct": 30.732856285226262,
   "start_distance_m": 5425.0,
   "end_distance_m": 5428.0,
   "midpoint_distance_m": 5426.5,
   "start_elevation_m": 1556.8288825071343,
   "end_elevation_m": 1557.750868195691,
   "start_xy": [
    971602.1104551043,
    6546812.473769379
   ],
   "end_xy": [
    971604.5244776328,
    6546814.254919353
   ]
  }
 },
 "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": 0.005,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.019,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.026,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 5453.0,
     "end_m": 5473.0,
     "raw_pct": 20.5,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 5459.0,
     "end_m": 5469.0,
     "raw_pct": 26.07,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 2131.0,
     "end_m": 2136.0,
     "raw_pct": 35.52,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 5273.0,
     "end_m": 5278.0,
     "raw_pct": 33.63,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.046,
   "obstruction_max_height_m": 33.06,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    1170.0,
    1270.0
   ],
   [
    2129.0,
    2138.0
   ],
   [
    2908.0,
    2925.0
   ],
   [
    5271.0,
    5280.0
   ],
   [
    5397.0,
    5402.0
   ],
   [
    5409.0,
    5414.0
   ],
   [
    5451.0,
    5475.0
   ]
  ],
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "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_E969-N6543_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6543_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6544_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6545_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6546_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E971-N6545_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E971-N6546_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E971-N6547_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E972-N6546_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E972-N6547_0m5.tif"
  ],
  "calculated_at": "2026-09-17T01:52:56+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-alps4",
  "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": [
   "E969-N6543",
   "E970-N6543",
   "E970-N6544",
   "E970-N6545",
   "E970-N6546",
   "E971-N6545",
   "E971-N6546",
   "E971-N6547",
   "E972-N6546",
   "E972-N6547"
  ],
  "elevation_blocks": [
   "21LHD5QK2@2025-06-13"
  ],
  "ign_dalles": [
   "LHD_FXX_0969_6544_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6544_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6545_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6546_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6547_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0971_6546_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0971_6547_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0971_6548_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0972_6547_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0972_6548_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5QK2"
  ],
  "ign_editions": [
   "2025-06-13"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0969_6544_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0970_6544_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0970_6545_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0970_6546_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0970_6547_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0971_6546_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0971_6547_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0971_6548_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0972_6547_MNT_O_0M50_LAMB93_IGN69": "2025-06-13",
   "LHD_FXX_0972_6548_MNT_O_0M50_LAMB93_IGN69": "2025-06-13"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 281,
   "stations_resolved": 281,
   "width_median_m": 6.0,
   "width_p10_m": 4.0,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.416,
   "unbounded_share": 0.584,
   "confidence_median": 0.0,
   "width_median_bounded_m": 6.0,
   "window_m": [
    3562.0,
    3587.0
   ],
   "width_at_max25_m": 7.5,
   "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": 281,
    "stations_resolved": 281,
    "width_median_m": 8.25,
    "width_p10_m": 5.75,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.655,
    "unbounded_share": 0.345,
    "confidence_median": 1.0,
    "width_median_bounded_m": 7.25,
    "window_m": [
     3562.0,
     3587.0
    ],
    "width_at_max25_m": 8.5,
    "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
   }
  },
  "named_from": {
   "col": "Col des Annes",
   "source": "climbs/fr-passes-alps.yaml",
   "pass_node_distance_m": 49.7,
   "was": "Route du Col des Annes",
   "reason_code": "named-from-pass-list"
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Le Grand-Bornand",
  "county": "Haute-Savoie",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}