{
 "ocl_version": "0.1.0",
 "name": "Route des Hameaux",
 "slug": "route-des-hameaux-10",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 33.76000591486559,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2853.0,
   "end_distance_m": 2855.0,
   "start_elevation_m": 906.3087569805891,
   "end_elevation_m": 906.9839570988864,
   "min_gradient_pct": -68.54104887002563,
   "suppressed_max_gradient_pct": 184.95020613688098,
   "suppressed_location_m": [
    491.0,
    493.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.23003539704723,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 371.0,
   "end_distance_m": 374.0,
   "start_elevation_m": 630.3434114776586,
   "end_elevation_m": 631.37031253957,
   "min_gradient_pct": -51.390409593170716,
   "suppressed_max_gradient_pct": 167.18279125869154,
   "suppressed_location_m": [
    490.0,
    493.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.49311484652026,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 369.0,
   "end_distance_m": 374.0,
   "start_elevation_m": 629.745656797244,
   "end_elevation_m": 631.37031253957,
   "min_gradient_pct": -41.46955056900424,
   "suppressed_max_gradient_pct": 124.19089248560795,
   "suppressed_location_m": [
    489.0,
    494.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.09939951519891,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2846.0,
   "end_distance_m": 2856.0,
   "start_elevation_m": 904.6294769477478,
   "end_elevation_m": 907.2394168992677,
   "min_gradient_pct": -26.731506008462702,
   "suppressed_max_gradient_pct": 87.13862879738485,
   "suppressed_location_m": [
    484.0,
    494.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.038851504897366,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2836.0,
   "end_distance_m": 2856.0,
   "start_elevation_m": 903.2316465982882,
   "end_elevation_m": 907.2394168992677,
   "min_gradient_pct": -24.221502236306947,
   "suppressed_max_gradient_pct": 54.04745022200245,
   "suppressed_location_m": [
    485.0,
    505.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.292791142966053,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2831.0,
   "end_distance_m": 2856.0,
   "start_elevation_m": 902.6662191135262,
   "end_elevation_m": 907.2394168992677,
   "min_gradient_pct": -23.71954794967678,
   "suppressed_max_gradient_pct": 46.74186907537933,
   "suppressed_location_m": [
    485.0,
    510.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.282715199273298,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1486.0,
   "end_distance_m": 1536.0,
   "start_elevation_m": 762.6322633144944,
   "end_elevation_m": 770.273620914131,
   "min_gradient_pct": -11.234234205728171,
   "suppressed_max_gradient_pct": 30.26101030918562,
   "suppressed_location_m": [
    84.0,
    134.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.888319389836056,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1564.0,
   "end_distance_m": 1664.0,
   "start_elevation_m": 774.1146923300054,
   "end_elevation_m": 789.0030117198414,
   "min_gradient_pct": -6.37812420581713,
   "suppressed_max_gradient_pct": 21.59066365249737,
   "suppressed_location_m": [
    485.0,
    585.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.382,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 232.0,
  "shape_class": "sustained"
 },
 "length_m": 8304.944921404958,
 "start_elevation_m": 579.7187147217023,
 "end_elevation_m": 1213.2152568037136,
 "endpoint_gain_m": 633.4965420820113,
 "overall_gradient_pct": 7.6279439307207575,
 "accumulated_ascent_m": 706.2560155248594,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.49311484652026,
   "start_distance_m": 369.0,
   "end_distance_m": 374.0,
   "midpoint_distance_m": 371.5,
   "start_elevation_m": 629.745656797244,
   "end_elevation_m": 631.37031253957,
   "start_xy": [
    969919.5810322384,
    6505099.659743389
   ],
   "end_xy": [
    969919.2257803497,
    6505104.64710703
   ]
  },
  "max_10m": {
   "gradient_pct": 26.09939951519891,
   "start_distance_m": 2846.0,
   "end_distance_m": 2856.0,
   "midpoint_distance_m": 2851.0,
   "start_elevation_m": 904.6294769477478,
   "end_elevation_m": 907.2394168992677,
   "start_xy": [
    970340.1311380758,
    6505850.305236626
   ],
   "end_xy": [
    970346.1433571444,
    6505842.314415525
   ]
  },
  "max_20m": {
   "gradient_pct": 20.038851504897366,
   "start_distance_m": 2836.0,
   "end_distance_m": 2856.0,
   "midpoint_distance_m": 2846.0,
   "start_elevation_m": 903.2316465982882,
   "end_elevation_m": 907.2394168992677,
   "start_xy": [
    970334.1189190072,
    6505858.296057727
   ],
   "end_xy": [
    970346.1433571444,
    6505842.314415525
   ]
  },
  "max_25m": {
   "gradient_pct": 18.292791142966053,
   "start_distance_m": 2831.0,
   "end_distance_m": 2856.0,
   "midpoint_distance_m": 2843.5,
   "start_elevation_m": 902.6662191135262,
   "end_elevation_m": 907.2394168992677,
   "start_xy": [
    970331.112809473,
    6505862.291468278
   ],
   "end_xy": [
    970346.1433571444,
    6505842.314415525
   ]
  },
  "max_50m": {
   "gradient_pct": 15.282715199273298,
   "start_distance_m": 1486.0,
   "end_distance_m": 1536.0,
   "midpoint_distance_m": 1511.0,
   "start_elevation_m": 762.6322633144944,
   "end_elevation_m": 770.273620914131,
   "start_xy": [
    970091.7860735396,
    6505342.5534988465
   ],
   "end_xy": [
    970102.8578241116,
    6505391.2419123
   ]
  },
  "max_100m": {
   "gradient_pct": 14.888319389836056,
   "start_distance_m": 1564.0,
   "end_distance_m": 1664.0,
   "midpoint_distance_m": 1614.0,
   "start_elevation_m": 774.1146923300054,
   "end_elevation_m": 789.0030117198414,
   "start_xy": [
    970111.2451154023,
    6505417.956203322
   ],
   "end_xy": [
    970101.1402596505,
    6505514.588942059
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -41.46955056900424,
   "start_distance_m": 48.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 50.5,
   "start_elevation_m": 591.4596538587982,
   "end_elevation_m": 589.386176330348,
   "start_xy": [
    969834.11923905,
    6505035.5289124
   ],
   "end_xy": [
    969833.5541055157,
    6505030.563327705
   ]
  },
  "min_10m": {
   "gradient_pct": -26.731506008462702,
   "start_distance_m": 2550.0,
   "end_distance_m": 2560.0,
   "midpoint_distance_m": 2555.0,
   "start_elevation_m": 875.1421620146058,
   "end_elevation_m": 872.4690114137595,
   "start_xy": [
    970314.5224508075,
    6505752.789693812
   ],
   "end_xy": [
    970308.469439066,
    6505760.749659192
   ]
  },
  "min_20m": {
   "gradient_pct": -24.221502236306947,
   "start_distance_m": 48.0,
   "end_distance_m": 68.0,
   "midpoint_distance_m": 58.0,
   "start_elevation_m": 591.4596538587982,
   "end_elevation_m": 586.6153534115368,
   "start_xy": [
    969834.11923905,
    6505035.5289124
   ],
   "end_xy": [
    969833.1372142883,
    6505015.5691221
   ]
  },
  "min_25m": {
   "gradient_pct": -23.71954794967678,
   "start_distance_m": 48.0,
   "end_distance_m": 73.0,
   "midpoint_distance_m": 60.5,
   "start_elevation_m": 591.4596538587982,
   "end_elevation_m": 585.529766871379,
   "start_xy": [
    969834.11923905,
    6505035.5289124
   ],
   "end_xy": [
    969832.9982505459,
    6505010.5710535655
   ]
  },
  "min_50m": {
   "gradient_pct": -11.234234205728171,
   "start_distance_m": 37.0,
   "end_distance_m": 87.0,
   "midpoint_distance_m": 62.0,
   "start_elevation_m": 590.4146182794933,
   "end_elevation_m": 584.7975011766292,
   "start_xy": [
    969835.4836211305,
    6505046.443969044
   ],
   "end_xy": [
    969833.218103627,
    6504996.588204858
   ]
  },
  "min_100m": {
   "gradient_pct": -6.37812420581713,
   "start_distance_m": 6354.0,
   "end_distance_m": 6454.0,
   "midpoint_distance_m": 6404.0,
   "start_elevation_m": 1135.122963441014,
   "end_elevation_m": 1128.7448392351969,
   "start_xy": [
    970672.5872064827,
    6507856.036617586
   ],
   "end_xy": [
    970769.4415519481,
    6507880.660067637
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 33.76000591486559,
   "start_distance_m": 2853.0,
   "end_distance_m": 2855.0,
   "midpoint_distance_m": 2854.0,
   "start_elevation_m": 906.3087569805891,
   "end_elevation_m": 906.9839570988864,
   "start_xy": [
    970344.3396914238,
    6505844.711661855
   ],
   "end_xy": [
    970345.5421352376,
    6505843.113497635
   ]
  },
  "max_3m": {
   "gradient_pct": 34.23003539704723,
   "start_distance_m": 371.0,
   "end_distance_m": 374.0,
   "midpoint_distance_m": 372.5,
   "start_elevation_m": 630.3434114776586,
   "end_elevation_m": 631.37031253957,
   "start_xy": [
    969919.438931483,
    6505101.654688845
   ],
   "end_xy": [
    969919.2257803497,
    6505104.64710703
   ]
  }
 },
 "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": 0.024,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.048,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.048,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.06,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 269.0,
     "end_m": 294.0,
     "raw_pct": 19.96,
     "reason": "mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 269.0,
     "end_m": 289.0,
     "raw_pct": 22.03,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 2508.0,
     "end_m": 2518.0,
     "raw_pct": 39.01,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 2509.0,
     "end_m": 2514.0,
     "raw_pct": 40.91,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 335.0,
     "end_m": 360.0,
     "raw_pct": 19.34,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 1119.0,
     "end_m": 1139.0,
     "raw_pct": 21.22,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 335.0,
     "end_m": 345.0,
     "raw_pct": 30.27,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 336.0,
     "end_m": 341.0,
     "raw_pct": 38.19,
     "reason": "hump+short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.419,
   "obstruction_max_height_m": 33.31,
   "flagged_windows_m": [
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    42.0
   ],
   [
    46.0,
    120.0
   ],
   [
    267.0,
    305.0
   ],
   [
    333.0,
    362.0
   ],
   [
    390.0,
    505.0
   ],
   [
    563.0,
    580.0
   ],
   [
    597.0,
    650.0
   ],
   [
    1117.0,
    1141.0
   ],
   [
    2188.0,
    2194.0
   ],
   [
    2506.0,
    2520.0
   ],
   [
    2530.0,
    2560.0
   ],
   [
    2920.0,
    2966.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "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-N6504_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E969-N6505_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E969-N6506_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6504_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6505_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6506_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6507_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E970-N6508_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E971-N6507_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E971-N6508_0m5.tif",
   "data/cache/fr/ign-lidarhd_dtm_E971-N6509_0m5.tif"
  ],
  "calculated_at": "2026-09-17T03:57:53+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-alps3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-alps3",
  "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-N6504",
   "E969-N6505",
   "E969-N6506",
   "E970-N6504",
   "E970-N6505",
   "E970-N6506",
   "E970-N6507",
   "E970-N6508",
   "E971-N6507",
   "E971-N6508",
   "E971-N6509"
  ],
  "elevation_blocks": [
   "21LHD5QL2@2025-03-26"
  ],
  "ign_dalles": [
   "LHD_FXX_0969_6505_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0969_6506_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0969_6507_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6505_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6506_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6507_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6508_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0970_6509_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0971_6508_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0971_6509_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0971_6510_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5QL2"
  ],
  "ign_editions": [
   "2025-03-26"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0969_6505_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0969_6506_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0969_6507_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0970_6505_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0970_6506_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0970_6507_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0970_6508_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0970_6509_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0971_6508_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0971_6509_MNT_O_0M50_LAMB93_IGN69": "2025-03-26",
   "LHD_FXX_0971_6510_MNT_O_0M50_LAMB93_IGN69": "2025-03-26"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 2,
  "structure_mask_ranges_m": [
   [
    0.0,
    15.0
   ]
  ],
  "mask_basin_extension_m": 22.0,
  "carriageway": {
   "stations": 339,
   "stations_resolved": 339,
   "width_median_m": 5.25,
   "width_p10_m": 2.7,
   "width_min_m": 0.5,
   "width_max_m": 11.0,
   "bounded_share": 0.531,
   "unbounded_share": 0.469,
   "confidence_median": 0.53,
   "width_median_bounded_m": 5.25,
   "window_m": [
    2831.0,
    2856.0
   ],
   "width_at_max25_m": 1.5,
   "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": 339,
    "stations_resolved": 339,
    "width_median_m": 2.75,
    "width_p10_m": 0.5,
    "width_min_m": 0.0,
    "width_max_m": 12.0,
    "bounded_share": 0.912,
    "unbounded_share": 0.088,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.25,
    "window_m": [
     2831.0,
     2856.0
    ],
    "width_at_max25_m": 3.0,
    "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": "Cevins",
  "county": "Savoie",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}