{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (53.0719, -1.5701)",
 "slug": "discovered-lane-53-0719-1-5701",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.625277659326855,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 244.0,
   "end_distance_m": 246.0,
   "start_elevation_m": 160.08168587731046,
   "end_elevation_m": 160.694191430497,
   "min_gradient_pct": -15.271021729161305,
   "suppressed_max_gradient_pct": 44.371897040834085,
   "suppressed_location_m": [
    211.0,
    213.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.795748988855433,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 243.0,
   "end_distance_m": 246.0,
   "start_elevation_m": 159.89031896083134,
   "end_elevation_m": 160.694191430497,
   "min_gradient_pct": -12.71880092673238,
   "suppressed_max_gradient_pct": 43.80712809565447,
   "suppressed_location_m": [
    210.0,
    213.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.237403127729067,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 188.0,
   "end_distance_m": 193.0,
   "start_elevation_m": 152.41760203540088,
   "end_elevation_m": 153.62947219178733,
   "min_gradient_pct": -8.86344608276545,
   "suppressed_max_gradient_pct": 41.215251517423326,
   "suppressed_location_m": [
    209.0,
    214.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.222001407125333,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 183.0,
   "end_distance_m": 193.0,
   "start_elevation_m": 151.7072720510748,
   "end_elevation_m": 153.62947219178733,
   "min_gradient_pct": -0.7208358446129637,
   "suppressed_max_gradient_pct": 33.259744668738165,
   "suppressed_location_m": [
    209.0,
    219.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.124200492515428,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 173.0,
   "end_distance_m": 193.0,
   "start_elevation_m": 150.00463209328424,
   "end_elevation_m": 153.62947219178733,
   "min_gradient_pct": 0.47338064757667553,
   "suppressed_max_gradient_pct": 21.675275495427826,
   "suppressed_location_m": [
    209.0,
    229.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.187474750624915,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 168.0,
   "end_distance_m": 193.0,
   "start_elevation_m": 149.3326035041311,
   "end_elevation_m": 153.62947219178733,
   "min_gradient_pct": 0.7106461229213892,
   "suppressed_max_gradient_pct": 20.121393927441204,
   "suppressed_location_m": [
    209.0,
    234.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.889678691591143,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 438.0,
   "end_distance_m": 488.0,
   "start_elevation_m": 179.8742107501539,
   "end_elevation_m": 187.81905009594948,
   "min_gradient_pct": 1.5326976241894386
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.192661366628784,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 393.0,
   "end_distance_m": 493.0,
   "start_elevation_m": 174.34960003612377,
   "end_elevation_m": 188.54226140275256,
   "min_gradient_pct": 3.982926954494843
  }
 ],
 "shape": {
  "ascent_concentration": 0.373,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 115.0,
  "shape_class": "sustained"
 },
 "length_m": 627.0926511515728,
 "start_elevation_m": 140.0299482615972,
 "end_elevation_m": 196.43324847373947,
 "endpoint_gain_m": 56.403300212142256,
 "overall_gradient_pct": 8.99441256544229,
 "accumulated_ascent_m": 57.261221525581476,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.237403127729067,
   "start_distance_m": 188.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 190.5,
   "start_elevation_m": 152.41760203540088,
   "end_elevation_m": 153.62947219178733,
   "start_xy": [
    429010.2799087359,
    353071.69045391015
   ],
   "end_xy": [
    429014.56472336146,
    353069.11356446386
   ]
  },
  "max_10m": {
   "gradient_pct": 19.222001407125333,
   "start_distance_m": 183.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 188.0,
   "start_elevation_m": 151.7072720510748,
   "end_elevation_m": 153.62947219178733,
   "start_xy": [
    429005.99536014785,
    353074.26778357505
   ],
   "end_xy": [
    429014.56472336146,
    353069.11356446386
   ]
  },
  "max_20m": {
   "gradient_pct": 18.124200492515428,
   "start_distance_m": 173.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 183.0,
   "start_elevation_m": 150.00463209328424,
   "end_elevation_m": 153.62947219178733,
   "start_xy": [
    428998.2731793557,
    353080.5138055657
   ],
   "end_xy": [
    429014.56472336146,
    353069.11356446386
   ]
  },
  "max_25m": {
   "gradient_pct": 17.187474750624915,
   "start_distance_m": 168.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 180.5,
   "start_elevation_m": 149.3326035041311,
   "end_elevation_m": 153.62947219178733,
   "start_xy": [
    428995.200934363,
    353084.4560866104
   ],
   "end_xy": [
    429014.56472336146,
    353069.11356446386
   ]
  },
  "max_50m": {
   "gradient_pct": 15.889678691591143,
   "start_distance_m": 438.0,
   "end_distance_m": 488.0,
   "midpoint_distance_m": 463.0,
   "start_elevation_m": 179.8742107501539,
   "end_elevation_m": 187.81905009594948,
   "start_xy": [
    428913.17430631805,
    352874.053454272
   ],
   "end_xy": [
    428899.9207472459,
    352825.84226656304
   ]
  },
  "max_100m": {
   "gradient_pct": 14.192661366628784,
   "start_distance_m": 393.0,
   "end_distance_m": 493.0,
   "midpoint_distance_m": 443.0,
   "start_elevation_m": 174.34960003612377,
   "end_elevation_m": 188.54226140275256,
   "start_xy": [
    428922.39036800835,
    352918.0911070468
   ],
   "end_xy": [
    428898.3346803559,
    352821.1375561128
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.86344608276545,
   "start_distance_m": 203.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 205.5,
   "start_elevation_m": 154.17507329366276,
   "end_elevation_m": 153.7319009895245,
   "start_xy": [
    429017.58766342443,
    353064.9093686386
   ],
   "end_xy": [
    429012.7162029973,
    353063.79547710274
   ]
  },
  "min_10m": {
   "gradient_pct": -0.7208358446129637,
   "start_distance_m": 198.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 203.0,
   "start_elevation_m": 153.8039845739858,
   "end_elevation_m": 153.7319009895245,
   "start_xy": [
    429018.84953828785,
    353066.5366755181
   ],
   "end_xy": [
    429012.7162029973,
    353063.79547710274
   ]
  },
  "min_20m": {
   "gradient_pct": 0.47338064757667553,
   "start_distance_m": 573.0,
   "end_distance_m": 593.0,
   "midpoint_distance_m": 583.0,
   "start_elevation_m": 195.338905575743,
   "end_elevation_m": 195.43358170525835,
   "start_xy": [
    428860.9528706396,
    352753.65024622844
   ],
   "end_xy": [
    428851.6701712174,
    352736.4409690476
   ]
  },
  "min_25m": {
   "gradient_pct": 0.7106461229213892,
   "start_distance_m": 571.0,
   "end_distance_m": 596.0,
   "midpoint_distance_m": 583.5,
   "start_elevation_m": 195.29328138105387,
   "end_elevation_m": 195.47094291178422,
   "start_xy": [
    428862.2157490794,
    352755.20109697094
   ],
   "end_xy": [
    428851.0842940447,
    352733.4987341732
   ]
  },
  "min_50m": {
   "gradient_pct": 1.5326976241894386,
   "start_distance_m": 570.0,
   "end_distance_m": 620.0,
   "midpoint_distance_m": 595.0,
   "start_elevation_m": 195.26928082699598,
   "end_elevation_m": 196.0356296390907,
   "start_xy": [
    428862.8471476935,
    352755.97655540804
   ],
   "end_xy": [
    428846.39619163214,
    352709.96107174945
   ]
  },
  "min_100m": {
   "gradient_pct": 3.982926954494843,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 140.0299482615972,
   "end_elevation_m": 144.01287521609206,
   "start_xy": [
    428940.577,
    353236.964
   ],
   "end_xy": [
    428955.06807723606,
    353138.86073919234
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.625277659326855,
   "start_distance_m": 244.0,
   "end_distance_m": 246.0,
   "midpoint_distance_m": 245.0,
   "start_elevation_m": 160.08168587731046,
   "end_elevation_m": 160.694191430497,
   "start_xy": [
    428980.02091322053,
    353049.2736238139
   ],
   "end_xy": [
    428978.3575443189,
    353048.1642012423
   ]
  },
  "max_3m": {
   "gradient_pct": 26.795748988855433,
   "start_distance_m": 243.0,
   "end_distance_m": 246.0,
   "midpoint_distance_m": 244.5,
   "start_elevation_m": 159.89031896083134,
   "end_elevation_m": 160.694191430497,
   "start_xy": [
    428980.8748361564,
    353049.794005814
   ],
   "end_xy": [
    428978.3575443189,
    353048.1642012423
   ]
  }
 },
 "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": 0.048,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 209.0,
     "end_m": 234.0,
     "raw_pct": 20.12,
     "reason": "staircase+hump"
    },
    {
     "window_m": 20.0,
     "start_m": 209.0,
     "end_m": 229.0,
     "raw_pct": 21.68,
     "reason": "staircase+hump"
    },
    {
     "window_m": 10.0,
     "start_m": 209.0,
     "end_m": 219.0,
     "raw_pct": 33.26,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 209.0,
     "end_m": 214.0,
     "raw_pct": 41.22,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.008,
   "obstruction_max_height_m": 8.47,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    207.0,
    236.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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:27700",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/england/bulk_dtm_1m/SK2550.tif"
  ],
  "calculated_at": "2026-09-12T01:40:42+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-uk-england/batch-england-rchunk04.pbf",
  "osm_snapshot": "",
  "run_id": "texture-uk-england-260912",
  "elevation_provider": "Environment Agency",
  "elevation_dataset": "EA LIDAR Composite DTM 1m (2022)",
  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Environment Agency",
  "elevation_coverage_id": "13787b9a-26a4-4775-8523-806d13af58fc__Lidar_Composite_Elevation_DTM_1m",
  "elevation_tile_ids": [
   "SK2550.tif"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Wirksworth",
  "county": "Derbyshire"
 }
}