{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (45.9388, 3.5467)",
 "slug": "discovered-lane-45-9388-3-5467",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.75910566213895,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "no_bench_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 111.0,
   "end_distance_m": 113.0,
   "start_elevation_m": 366.7803371702443,
   "end_elevation_m": 367.3355192834871,
   "min_gradient_pct": -38.45503024099628,
   "suppressed_max_gradient_pct": 48.034314965229896,
   "suppressed_location_m": [
    99.0,
    101.0
   ],
   "suppressed_min_gradient_pct": -57.444273334303375,
   "suppressed_min_location_m": [
    288.0,
    290.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.881286724786378,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "no_bench_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 111.0,
   "end_distance_m": 114.0,
   "start_elevation_m": 366.7803371702443,
   "end_elevation_m": 367.5267757719879,
   "min_gradient_pct": -25.583550137703998,
   "suppressed_max_gradient_pct": 48.281967619269984,
   "suppressed_location_m": [
    100.0,
    103.0
   ],
   "suppressed_min_gradient_pct": -50.901297632301144,
   "suppressed_min_location_m": [
    288.0,
    291.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.634659707454375,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "no_bench_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 765.0,
   "end_distance_m": 770.0,
   "start_elevation_m": 408.0809381198403,
   "end_elevation_m": 409.26267110521303,
   "min_gradient_pct": -11.176978660460009,
   "suppressed_max_gradient_pct": 42.48882401998003,
   "suppressed_location_m": [
    99.0,
    104.0
   ],
   "suppressed_min_gradient_pct": -26.134285869907217,
   "suppressed_min_location_m": [
    287.0,
    292.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.390219362296193,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 761.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 407.2523239333247,
   "end_elevation_m": 409.4913458695543,
   "min_gradient_pct": -10.891973373754809,
   "suppressed_max_gradient_pct": 34.75604501020484,
   "suppressed_location_m": [
    699.0,
    709.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.551013105852007,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 149.0,
   "end_distance_m": 169.0,
   "start_elevation_m": 368.9979892287697,
   "end_elevation_m": 373.1081918499401,
   "min_gradient_pct": -10.432502101668888,
   "suppressed_max_gradient_pct": 28.899534392641613,
   "suppressed_location_m": [
    690.0,
    710.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.189647472340994,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "start_elevation_m": 368.9979892287697,
   "end_elevation_m": 374.04540109685496,
   "min_gradient_pct": -10.21341999554329,
   "suppressed_max_gradient_pct": 27.06801291138413,
   "suppressed_location_m": [
    691.0,
    716.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.915214204700305,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 147.0,
   "end_distance_m": 197.0,
   "start_elevation_m": 368.6670939478843,
   "end_elevation_m": 377.6247010502345,
   "min_gradient_pct": -8.355339112148158,
   "suppressed_max_gradient_pct": 20.314656865714824,
   "suppressed_location_m": [
    666.0,
    716.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.19939905955141,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 150.0,
   "end_distance_m": 250.0,
   "start_elevation_m": 369.1770772571574,
   "end_elevation_m": 385.3764763167088,
   "min_gradient_pct": -5.158479984411031,
   "suppressed_max_gradient_pct": 18.321246100936435,
   "suppressed_location_m": [
    673.0,
    773.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.442,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 152.0,
  "shape_class": "sustained"
 },
 "length_m": 773.3641738176325,
 "start_elevation_m": 357.80119722121213,
 "end_elevation_m": 410.02311458984803,
 "endpoint_gain_m": 52.2219173686359,
 "overall_gradient_pct": 6.752564850637932,
 "accumulated_ascent_m": 65.31929309149945,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.634659707454375,
   "start_distance_m": 765.0,
   "end_distance_m": 770.0,
   "midpoint_distance_m": 767.5,
   "start_elevation_m": 408.0809381198403,
   "end_elevation_m": 409.26267110521303,
   "start_xy": [
    742183.5609001793,
    6537862.526454082
   ],
   "end_xy": [
    742179.3579147246,
    6537865.234758582
   ]
  },
  "max_10m": {
   "gradient_pct": 22.390219362296193,
   "start_distance_m": 761.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 766.0,
   "start_elevation_m": 407.2523239333247,
   "end_elevation_m": 409.4913458695543,
   "start_xy": [
    742186.9232885432,
    6537860.359810481
   ],
   "end_xy": [
    742178.5173176336,
    6537865.776419482
   ]
  },
  "max_20m": {
   "gradient_pct": 20.551013105852007,
   "start_distance_m": 149.0,
   "end_distance_m": 169.0,
   "midpoint_distance_m": 159.0,
   "start_elevation_m": 368.9979892287697,
   "end_elevation_m": 373.1081918499401,
   "start_xy": [
    742551.9826273692,
    6538079.332847101
   ],
   "end_xy": [
    742533.3076337283,
    6538073.711897054
   ]
  },
  "max_25m": {
   "gradient_pct": 20.189647472340994,
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 161.5,
   "start_elevation_m": 368.9979892287697,
   "end_elevation_m": 374.04540109685496,
   "start_xy": [
    742551.9826273692,
    6538079.332847101
   ],
   "end_xy": [
    742528.9301889084,
    6538071.3051663805
   ]
  },
  "max_50m": {
   "gradient_pct": 17.915214204700305,
   "start_distance_m": 147.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 172.0,
   "start_elevation_m": 368.6670939478843,
   "end_elevation_m": 377.6247010502345,
   "start_xy": [
    742553.9387209353,
    6538078.916076227
   ],
   "end_xy": [
    742509.1784104501,
    6538059.5209715525
   ]
  },
  "max_100m": {
   "gradient_pct": 16.19939905955141,
   "start_distance_m": 150.0,
   "end_distance_m": 250.0,
   "midpoint_distance_m": 200.0,
   "start_elevation_m": 369.1770772571574,
   "end_elevation_m": 385.3764763167088,
   "start_xy": [
    742551.0045805862,
    6538079.5412325375
   ],
   "end_xy": [
    742466.4426412522,
    6538028.191433685
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.176978660460009,
   "start_distance_m": 421.0,
   "end_distance_m": 426.0,
   "midpoint_distance_m": 423.5,
   "start_elevation_m": 390.1863812257568,
   "end_elevation_m": 389.6275322927338,
   "start_xy": [
    742399.0972185151,
    6537877.295703245
   ],
   "end_xy": [
    742396.756000881,
    6537872.877705962
   ]
  },
  "min_10m": {
   "gradient_pct": -10.891973373754809,
   "start_distance_m": 417.0,
   "end_distance_m": 427.0,
   "midpoint_distance_m": 422.0,
   "start_elevation_m": 390.61791337327065,
   "end_elevation_m": 389.5287160358952,
   "start_xy": [
    742400.9701926225,
    6537880.830101071
   ],
   "end_xy": [
    742396.2877573542,
    6537871.994106506
   ]
  },
  "min_20m": {
   "gradient_pct": -10.432502101668888,
   "start_distance_m": 412.0,
   "end_distance_m": 432.0,
   "midpoint_distance_m": 422.0,
   "start_elevation_m": 391.11167373548153,
   "end_elevation_m": 389.02517331514775,
   "start_xy": [
    742403.3114102567,
    6537885.248098354
   ],
   "end_xy": [
    742393.9465397199,
    6537867.576109223
   ]
  },
  "min_25m": {
   "gradient_pct": -10.21341999554329,
   "start_distance_m": 410.0,
   "end_distance_m": 435.0,
   "midpoint_distance_m": 422.5,
   "start_elevation_m": 391.29717358978223,
   "end_elevation_m": 388.7438185908964,
   "start_xy": [
    742404.2478973103,
    6537887.015297267
   ],
   "end_xy": [
    742392.4735831843,
    6537864.962726693
   ]
  },
  "min_50m": {
   "gradient_pct": -8.355339112148158,
   "start_distance_m": 399.0,
   "end_distance_m": 449.0,
   "midpoint_distance_m": 424.0,
   "start_elevation_m": 391.84761834795154,
   "end_elevation_m": 387.66994879187746,
   "start_xy": [
    742409.3985761055,
    6537896.734891289
   ],
   "end_xy": [
    742385.5666156582,
    6537852.78513253
   ]
  },
  "min_100m": {
   "gradient_pct": -5.158479984411031,
   "start_distance_m": 365.0,
   "end_distance_m": 465.0,
   "midpoint_distance_m": 415.0,
   "start_elevation_m": 392.5300643941683,
   "end_elevation_m": 387.37158440975725,
   "start_xy": [
    742416.380712237,
    6537929.397281145
   ],
   "end_xy": [
    742375.6645404503,
    6537840.219766248
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.75910566213895,
   "start_distance_m": 111.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 112.0,
   "start_elevation_m": 366.7803371702443,
   "end_elevation_m": 367.3355192834871,
   "start_xy": [
    742586.4593728305,
    6538068.894975224
   ],
   "end_xy": [
    742584.4616549467,
    6538068.799459482
   ]
  },
  "max_3m": {
   "gradient_pct": 24.881286724786378,
   "start_distance_m": 111.0,
   "end_distance_m": 114.0,
   "midpoint_distance_m": 112.5,
   "start_elevation_m": 366.7803371702443,
   "end_elevation_m": 367.5267757719879,
   "start_xy": [
    742586.4593728305,
    6538068.894975224
   ],
   "end_xy": [
    742583.4627960048,
    6538068.75170161
   ]
  }
 },
 "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": 0.035,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.271,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.288,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 10.0,
     "start_m": 689.0,
     "end_m": 699.0,
     "raw_pct": 22.78,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.587,
   "obstruction_max_height_m": 40.15,
   "flagged_windows_m": [
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    20.0
   ],
   [
    98.0,
    103.0
   ],
   [
    270.0,
    340.0
   ],
   [
    580.0,
    660.0
   ],
   [
    687.0,
    730.0
   ]
  ],
  "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-mc5",
   "road_pbf": "block-batch-fr-mc5.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_E742-N6537_0m5@23LHDMK-2025-01-14.tif",
   "data/cache/fr/ign-lidarhd_dtm_E742-N6538_0m5@23LHDMK-2025-01-14.tif"
  ],
  "calculated_at": "2026-09-22T17:00:59+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc5.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc5",
  "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": [
   "E742-N6537",
   "E742-N6538"
  ],
  "elevation_blocks": [
   "23LHDMK@2025-01-14"
  ],
  "ign_dalles": [
   "LHD_FXX_0742_6538_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0742_6539_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "23LHDMK"
  ],
  "ign_editions": [
   "2025-01-14"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0742_6538_MNT_O_0M50_LAMB93_IGN69": "2025-01-14",
   "LHD_FXX_0742_6539_MNT_O_0M50_LAMB93_IGN69": "2025-01-14"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 2,
  "structure_mask_ranges_m": [
   [
    0.0,
    15.0
   ]
  ],
  "carriageway": {
   "stations": 37,
   "stations_resolved": 37,
   "width_median_m": 3.75,
   "width_p10_m": 1.4,
   "width_min_m": 0.5,
   "width_max_m": 11.0,
   "bounded_share": 0.324,
   "unbounded_share": 0.676,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.25,
   "window_m": [
    149.0,
    174.0
   ],
   "width_at_max25_m": 3.75,
   "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": 37,
    "stations_resolved": 37,
    "width_median_m": 2.0,
    "width_p10_m": 0.5,
    "width_min_m": 0.0,
    "width_max_m": 10.25,
    "bounded_share": 0.973,
    "unbounded_share": 0.027,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.0,
    "window_m": [
     149.0,
     174.0
    ],
    "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": "Puy-Guillaume",
  "county": "Puy-de-D\u00f4me",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}