{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (53.2273, -3.7924)",
 "slug": "discovered-lane-53-2273-3-7924",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 55.80810737278341,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 354.0,
   "end_distance_m": 356.0,
   "start_elevation_m": 81.26940735520301,
   "end_elevation_m": 82.38556950265868,
   "min_gradient_pct": -40.05839004430172,
   "suppressed_max_gradient_pct": 80.40433217613696,
   "suppressed_location_m": [
    361.0,
    363.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 44.437880928249264,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 382.0,
   "end_distance_m": 385.0,
   "start_elevation_m": 87.31741525174456,
   "end_elevation_m": 88.65055167959204,
   "min_gradient_pct": -33.72889519824914,
   "suppressed_max_gradient_pct": 65.17562828070993,
   "suppressed_location_m": [
    809.0,
    812.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.33600005110202,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 655.0,
   "end_distance_m": 660.0,
   "start_elevation_m": 129.8606406254954,
   "end_elevation_m": 131.6274406280505,
   "min_gradient_pct": -28.2637816899242,
   "suppressed_max_gradient_pct": 61.99108505066931,
   "suppressed_location_m": [
    809.0,
    814.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.664298089451762,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 264.0,
   "end_distance_m": 274.0,
   "start_elevation_m": 66.27352441081862,
   "end_elevation_m": 69.0399542197638,
   "min_gradient_pct": -15.449343189848364,
   "suppressed_max_gradient_pct": 40.41463887950272,
   "suppressed_location_m": [
    804.0,
    814.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.834850915288754,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 258.0,
   "end_distance_m": 278.0,
   "start_elevation_m": 65.05666130145246,
   "end_elevation_m": 69.82363148451022,
   "min_gradient_pct": -3.3681232715075637,
   "suppressed_max_gradient_pct": 34.74650926515096,
   "suppressed_location_m": [
    743.0,
    763.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.132469084958757,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 252.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 64.12767641454393,
   "end_elevation_m": 69.66079368578362,
   "min_gradient_pct": -0.17244036294158605,
   "suppressed_max_gradient_pct": 29.17283508339693,
   "suppressed_location_m": [
    338.0,
    363.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.701085855225912,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 226.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 59.040596525733996,
   "end_elevation_m": 69.39113945334695,
   "min_gradient_pct": 4.473664522856325,
   "suppressed_max_gradient_pct": 24.717326570651267,
   "suppressed_location_m": [
    743.0,
    793.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.37981280858788,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 247.0,
   "end_distance_m": 347.0,
   "start_elevation_m": 63.25580065106984,
   "end_elevation_m": 79.63561345965772,
   "min_gradient_pct": 6.677892586625681,
   "suppressed_max_gradient_pct": 20.444751062504167,
   "suppressed_location_m": [
    714.0,
    814.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.299,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 115.0,
  "shape_class": "sustained"
 },
 "length_m": 818.3903859860508,
 "start_elevation_m": 35.890795995544615,
 "end_elevation_m": 161.0445146435545,
 "endpoint_gain_m": 125.15371864800989,
 "overall_gradient_pct": 15.29266726382867,
 "accumulated_ascent_m": 135.37964930032152,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.33600005110202,
   "start_distance_m": 655.0,
   "end_distance_m": 660.0,
   "midpoint_distance_m": 657.5,
   "start_elevation_m": 129.8606406254954,
   "end_elevation_m": 131.6274406280505,
   "start_xy": [
    281036.5631351447,
    371569.32558540406
   ],
   "end_xy": [
    281040.68106736446,
    371566.48963204416
   ]
  },
  "max_10m": {
   "gradient_pct": 27.664298089451762,
   "start_distance_m": 264.0,
   "end_distance_m": 274.0,
   "midpoint_distance_m": 269.0,
   "start_elevation_m": 66.27352441081862,
   "end_elevation_m": 69.0399542197638,
   "start_xy": [
    280679.10054333665,
    371462.44712473627
   ],
   "end_xy": [
    280688.9777909094,
    371460.8850856459
   ]
  },
  "max_20m": {
   "gradient_pct": 23.834850915288754,
   "start_distance_m": 258.0,
   "end_distance_m": 278.0,
   "midpoint_distance_m": 268.0,
   "start_elevation_m": 65.05666130145246,
   "end_elevation_m": 69.82363148451022,
   "start_xy": [
    280673.1741689058,
    371463.384183857
   ],
   "end_xy": [
    280692.92866389867,
    371460.26010570023
   ]
  },
  "max_25m": {
   "gradient_pct": 22.132469084958757,
   "start_distance_m": 252.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 264.5,
   "start_elevation_m": 64.12767641454393,
   "end_elevation_m": 69.66079368578362,
   "start_xy": [
    280667.24591978866,
    371464.3092431094
   ],
   "end_xy": [
    280691.94092514826,
    371460.4162215571
   ]
  },
  "max_50m": {
   "gradient_pct": 20.701085855225912,
   "start_distance_m": 226.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 251.0,
   "start_elevation_m": 59.040596525733996,
   "end_elevation_m": 69.39113945334695,
   "start_xy": [
    280641.4619589359,
    371467.50564188225
   ],
   "end_xy": [
    280690.9533160086,
    371460.57315524964
   ]
  },
  "max_100m": {
   "gradient_pct": 16.37981280858788,
   "start_distance_m": 247.0,
   "end_distance_m": 347.0,
   "midpoint_distance_m": 297.0,
   "start_elevation_m": 63.25580065106984,
   "end_elevation_m": 79.63561345965772,
   "start_xy": [
    280662.30431566417,
    371465.07117682527
   ],
   "end_xy": [
    280760.6495711,
    371465.5349229948
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -28.2637816899242,
   "start_distance_m": 74.0,
   "end_distance_m": 79.0,
   "midpoint_distance_m": 76.5,
   "start_elevation_m": 43.35965824735999,
   "end_elevation_m": 41.94646916286378,
   "start_xy": [
    280499.14420613163,
    371490.53288777795
   ],
   "end_xy": [
    280503.53433284635,
    371488.1398180339
   ]
  },
  "min_10m": {
   "gradient_pct": -15.449343189848364,
   "start_distance_m": 74.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 79.0,
   "start_elevation_m": 43.35965824735999,
   "end_elevation_m": 41.81472392837515,
   "start_xy": [
    280499.14420613163,
    371490.53288777795
   ],
   "end_xy": [
    280508.09248498554,
    371486.2459591386
   ]
  },
  "min_20m": {
   "gradient_pct": -3.3681232715075637,
   "start_distance_m": 74.0,
   "end_distance_m": 94.0,
   "midpoint_distance_m": 84.0,
   "start_elevation_m": 43.35965824735999,
   "end_elevation_m": 42.686033593058475,
   "start_xy": [
    280499.14420613163,
    371490.53288777795
   ],
   "end_xy": [
    280518.05654839263,
    371485.39895379636
   ]
  },
  "min_25m": {
   "gradient_pct": -0.17244036294158605,
   "start_distance_m": 74.0,
   "end_distance_m": 99.0,
   "midpoint_distance_m": 86.5,
   "start_elevation_m": 43.35965824735999,
   "end_elevation_m": 43.31654815662459,
   "start_xy": [
    280499.14420613163,
    371490.53288777795
   ],
   "end_xy": [
    280523.038629382,
    371484.97603159735
   ]
  },
  "min_50m": {
   "gradient_pct": 4.473664522856325,
   "start_distance_m": 74.0,
   "end_distance_m": 124.0,
   "midpoint_distance_m": 99.0,
   "start_elevation_m": 43.35965824735999,
   "end_elevation_m": 45.59649050878815,
   "start_xy": [
    280499.14420613163,
    371490.53288777795
   ],
   "end_xy": [
    280546.68184369424,
    371477.96707019204
   ]
  },
  "min_100m": {
   "gradient_pct": 6.677892586625681,
   "start_distance_m": 74.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 124.0,
   "start_elevation_m": 43.35965824735999,
   "end_elevation_m": 50.03755083398567,
   "start_xy": [
    280499.14420613163,
    371490.53288777795
   ],
   "end_xy": [
    280592.78348133777,
    371458.8136187363
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 55.80810737278341,
   "start_distance_m": 354.0,
   "end_distance_m": 356.0,
   "midpoint_distance_m": 355.0,
   "start_elevation_m": 81.26940735520301,
   "end_elevation_m": 82.38556950265868,
   "start_xy": [
    280767.53633985284,
    371466.78888092854
   ],
   "end_xy": [
    280769.50404734234,
    371467.1468295771
   ]
  },
  "max_3m": {
   "gradient_pct": 44.437880928249264,
   "start_distance_m": 382.0,
   "end_distance_m": 385.0,
   "midpoint_distance_m": 383.5,
   "start_elevation_m": 87.31741525174456,
   "end_elevation_m": 88.65055167959204,
   "start_xy": [
    280794.84087190806,
    371472.96533354453
   ],
   "end_xy": [
    280797.76018685073,
    371473.65641846095
   ]
  }
 },
 "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": 0.088,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    25.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.155,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.281,
   "windows_resited": [
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 743.0,
     "end_m": 768.0,
     "raw_pct": 28.6,
     "reason": "staircase"
    },
    {
     "window_m": 25.0,
     "start_m": 461.0,
     "end_m": 486.0,
     "raw_pct": 26.22,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 774.0,
     "end_m": 784.0,
     "raw_pct": 29.36,
     "reason": "mask-edge"
    },
    {
     "window_m": 25.0,
     "start_m": 531.0,
     "end_m": 556.0,
     "raw_pct": 23.48,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.676,
   "obstruction_max_height_m": 24.82,
   "flagged_windows_m": [
    2,
    3,
    5,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    52.0,
    57.0
   ],
   [
    66.0,
    72.0
   ],
   [
    220.0,
    225.0
   ],
   [
    348.0,
    353.0
   ],
   [
    357.0,
    365.0
   ],
   [
    367.0,
    373.0
   ],
   [
    388.0,
    420.0
   ],
   [
    430.0,
    488.0
   ],
   [
    529.0,
    558.0
   ],
   [
    664.0,
    669.0
   ],
   [
    731.0,
    736.0
   ],
   [
    741.0,
    770.0
   ],
   [
    772.0,
    786.0
   ],
   [
    807.0,
    816.0
   ]
  ],
  "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:27700",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/wales/dtm_1m/wg_del_19_280371_20210307dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_19_281371_20210307dtm.tif"
  ],
  "calculated_at": "2026-09-12T01:43:00+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-uk-wales/batch-england-rchunk05.pbf",
  "osm_snapshot": "",
  "run_id": "texture-uk-wales-260912",
  "elevation_provider": "Welsh Government",
  "elevation_dataset": "Welsh Government LiDAR 1m DTM (2020-2023)",
  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Crown copyright Welsh Government",
  "elevation_catalogue_layer": "geonode:welsh_government_lidar_tile_catalogue_2020_2023",
  "elevation_tile_ids": [
   "wg_del_19_280371_20210307dtm.tif",
   "wg_del_19_281371_20210307dtm.tif"
  ],
  "elevation_capture_dates": [
   "07-03-2021"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Eglwysbach",
  "county": "Conwy - Conwy"
 }
}