{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (43.1020, -1.1983)",
 "slug": "discovered-lane-43-1020-1-1983",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.285269828348532,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 131.0,
   "end_distance_m": 133.0,
   "start_elevation_m": 251.4514728333969,
   "end_elevation_m": 251.93717822996388,
   "min_gradient_pct": -0.10003626596102322,
   "suppressed_max_gradient_pct": 31.06811001402434,
   "suppressed_location_m": [
    151.0,
    153.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.77850091125424,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 130.0,
   "end_distance_m": 133.0,
   "start_elevation_m": 251.22382320262625,
   "end_elevation_m": 251.93717822996388,
   "min_gradient_pct": -0.051649463404146445,
   "suppressed_max_gradient_pct": 30.26485095233511,
   "suppressed_location_m": [
    146.0,
    149.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.375908556542413,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 128.0,
   "end_distance_m": 133.0,
   "start_elevation_m": 250.76838280213676,
   "end_elevation_m": 251.93717822996388,
   "min_gradient_pct": 0.657172758053548,
   "suppressed_max_gradient_pct": 29.462587989437452,
   "suppressed_location_m": [
    148.0,
    153.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.959333765286658,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 123.0,
   "end_distance_m": 133.0,
   "start_elevation_m": 249.6412448534352,
   "end_elevation_m": 251.93717822996388,
   "min_gradient_pct": 1.2228477750153388,
   "suppressed_max_gradient_pct": 29.169140925999386,
   "suppressed_location_m": [
    145.0,
    155.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.862020403205804,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 119.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 248.79351808652754,
   "end_elevation_m": 253.1659221671687,
   "min_gradient_pct": 3.671746869649155,
   "suppressed_max_gradient_pct": 27.064701933884123,
   "suppressed_location_m": [
    144.0,
    164.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.40015730732341,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 247.81588284033785,
   "end_elevation_m": 253.1659221671687,
   "min_gradient_pct": 4.799726049623359,
   "suppressed_max_gradient_pct": 26.354949514622604,
   "suppressed_location_m": [
    142.0,
    167.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.839226760189433,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 11.0,
   "end_distance_m": 61.0,
   "start_elevation_m": 234.53457579314104,
   "end_elevation_m": 242.95418917323576,
   "min_gradient_pct": 8.491601659726484,
   "suppressed_max_gradient_pct": 24.097635372607957,
   "suppressed_location_m": [
    120.0,
    170.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.513417408927978,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 170.0,
   "end_distance_m": 270.0,
   "start_elevation_m": 261.0345436446739,
   "end_elevation_m": 275.54796105360185,
   "min_gradient_pct": 12.459652600216145,
   "suppressed_max_gradient_pct": 21.103157010991026,
   "suppressed_location_m": [
    105.0,
    205.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.367,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 108.0,
  "shape_class": "sustained"
 },
 "length_m": 284.92013260071093,
 "start_elevation_m": 232.96508389201904,
 "end_elevation_m": 277.9322540734857,
 "endpoint_gain_m": 44.967170181466656,
 "overall_gradient_pct": 15.782377247621165,
 "accumulated_ascent_m": 44.981352300663644,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.375908556542413,
   "start_distance_m": 128.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 130.5,
   "start_elevation_m": 250.76838280213676,
   "end_elevation_m": 251.93717822996388,
   "start_xy": [
    358196.4811592216,
    6231621.7342377
   ],
   "end_xy": [
    358193.3009557502,
    6231625.592515279
   ]
  },
  "max_10m": {
   "gradient_pct": 22.959333765286658,
   "start_distance_m": 123.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 249.6412448534352,
   "end_elevation_m": 251.93717822996388,
   "start_xy": [
    358199.661362693,
    6231617.87596012
   ],
   "end_xy": [
    358193.3009557502,
    6231625.592515279
   ]
  },
  "max_20m": {
   "gradient_pct": 21.862020403205804,
   "start_distance_m": 119.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 129.0,
   "start_elevation_m": 248.79351808652754,
   "end_elevation_m": 253.1659221671687,
   "start_xy": [
    358202.20552547014,
    6231614.789338056
   ],
   "end_xy": [
    358189.4847115846,
    6231630.222448374
   ]
  },
  "max_25m": {
   "gradient_pct": 21.40015730732341,
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 126.5,
   "start_elevation_m": 247.81588284033785,
   "end_elevation_m": 253.1659221671687,
   "start_xy": [
    358205.3857289415,
    6231610.931060477
   ],
   "end_xy": [
    358189.4847115846,
    6231630.222448374
   ]
  },
  "max_50m": {
   "gradient_pct": 16.839226760189433,
   "start_distance_m": 11.0,
   "end_distance_m": 61.0,
   "midpoint_distance_m": 36.0,
   "start_elevation_m": 234.53457579314104,
   "end_elevation_m": 242.95418917323576,
   "start_xy": [
    358238.53610838926,
    6231561.1692812955
   ],
   "end_xy": [
    358208.8422399427,
    6231564.31687563
   ]
  },
  "max_100m": {
   "gradient_pct": 14.513417408927978,
   "start_distance_m": 170.0,
   "end_distance_m": 270.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 261.0345436446739,
   "end_elevation_m": 275.54796105360185,
   "start_xy": [
    358159.75219707756,
    6231622.956507003
   ],
   "end_xy": [
    358072.1376221192,
    6231578.406400412
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.657172758053548,
   "start_distance_m": 76.0,
   "end_distance_m": 81.0,
   "midpoint_distance_m": 78.5,
   "start_elevation_m": 245.00338609767545,
   "end_elevation_m": 245.03624473557812,
   "start_xy": [
    358206.99617180525,
    6231577.3611145
   ],
   "end_xy": [
    358208.1239449563,
    6231582.028856484
   ]
  },
  "min_10m": {
   "gradient_pct": 1.2228477750153388,
   "start_distance_m": 77.0,
   "end_distance_m": 87.0,
   "midpoint_distance_m": 82.0,
   "start_elevation_m": 245.03001595627495,
   "end_elevation_m": 245.15230073377649,
   "start_xy": [
    358206.8769936504,
    6231578.228183854
   ],
   "end_xy": [
    358209.9943719151,
    6231587.729865429
   ]
  },
  "min_20m": {
   "gradient_pct": 3.671746869649155,
   "start_distance_m": 75.0,
   "end_distance_m": 95.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 244.9084898091136,
   "end_elevation_m": 245.64283918304344,
   "start_xy": [
    358207.63888065756,
    6231576.595003978
   ],
   "end_xy": [
    358212.48827452684,
    6231595.33121069
   ]
  },
  "min_25m": {
   "gradient_pct": 4.799726049623359,
   "start_distance_m": 78.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 90.5,
   "start_elevation_m": 245.03779421948025,
   "end_elevation_m": 246.2377257318861,
   "start_xy": [
    358207.1887314769,
    6231579.178352011
   ],
   "end_xy": [
    358212.38217657857,
    6231602.442849802
   ]
  },
  "min_50m": {
   "gradient_pct": 8.491601659726484,
   "start_distance_m": 63.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 88.0,
   "start_elevation_m": 243.37286334607495,
   "end_elevation_m": 247.6186641759382,
   "start_xy": [
    358209.7443003944,
    6231566.101892981
   ],
   "end_xy": [
    358206.0217696358,
    6231610.15940496
   ]
  },
  "min_100m": {
   "gradient_pct": 12.459652600216145,
   "start_distance_m": 20.0,
   "end_distance_m": 120.0,
   "midpoint_distance_m": 70.0,
   "start_elevation_m": 236.52607335815375,
   "end_elevation_m": 248.9857259583699,
   "start_xy": [
    358229.90296070825,
    6231562.062922796
   ],
   "end_xy": [
    358201.5694847758,
    6231615.560993572
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.285269828348532,
   "start_distance_m": 131.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 132.0,
   "start_elevation_m": 251.4514728333969,
   "end_elevation_m": 251.93717822996388,
   "start_xy": [
    358194.5730371388,
    6231624.049204247
   ],
   "end_xy": [
    358193.3009557502,
    6231625.592515279
   ]
  },
  "max_3m": {
   "gradient_pct": 23.77850091125424,
   "start_distance_m": 130.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 131.5,
   "start_elevation_m": 251.22382320262625,
   "end_elevation_m": 251.93717822996388,
   "start_xy": [
    358195.20907783305,
    6231623.277548731
   ],
   "end_xy": [
    358193.3009557502,
    6231625.592515279
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.105,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 142.0,
     "end_m": 167.0,
     "raw_pct": 26.35,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 144.0,
     "end_m": 164.0,
     "raw_pct": 27.06,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.098,
   "obstruction_max_height_m": 17.87,
   "flagged_windows_m": [
    50
   ]
  },
  "excluded_ranges_m": [
   [
    140.0,
    169.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "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_E358-N6231_0m5@21LHD1ER-2025-07-08.tif"
  ],
  "calculated_at": "2026-09-20T05:52:54+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": [
   "E358-N6231"
  ],
  "elevation_blocks": [
   "21LHD1ER@2025-07-08"
  ],
  "ign_dalles": [
   "LHD_FXX_0358_6232_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD1ER"
  ],
  "ign_editions": [
   "2025-07-08"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0358_6232_MNT_O_0M50_LAMB93_IGN69": "2025-07-08"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "carriageway": {
   "stations": 18,
   "stations_resolved": 18,
   "width_median_m": 4.25,
   "width_p10_m": 3.0,
   "width_min_m": 2.75,
   "width_max_m": 9.25,
   "bounded_share": 0.556,
   "unbounded_share": 0.444,
   "confidence_median": 0.59,
   "width_median_bounded_m": 3.75,
   "window_m": [
    114.0,
    139.0
   ],
   "width_at_max25_m": 4.0,
   "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": 18,
    "stations_resolved": 18,
    "width_median_m": 5.62,
    "width_p10_m": 2.98,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.778,
    "unbounded_share": 0.222,
    "confidence_median": 1.0,
    "width_median_bounded_m": 5.12,
    "window_m": [
     114.0,
     139.0
    ],
    "width_at_max25_m": 5.75,
    "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": "Est\u00e9ren\u00e7uby",
  "county": "Pyr\u00e9n\u00e9es-Atlantiques",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}