{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (53.1048, -3.8395)",
 "slug": "discovered-lane-53-1048-3-8395",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.159774384140746,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 249.0,
   "end_distance_m": 251.0,
   "start_elevation_m": 164.55452001905581,
   "end_elevation_m": 165.13771550673863,
   "min_gradient_pct": -12.496291646739621,
   "suppressed_max_gradient_pct": 67.87852390560403,
   "suppressed_location_m": [
    245.0,
    247.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.518868547209195,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 150.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 145.14184910486193,
   "end_elevation_m": 145.9074151612782,
   "min_gradient_pct": -10.074238455719827,
   "suppressed_max_gradient_pct": 59.768236721608524,
   "suppressed_location_m": [
    244.0,
    247.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.32083632587819,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 150.0,
   "end_distance_m": 155.0,
   "start_elevation_m": 145.14184910486193,
   "end_elevation_m": 146.35789092115584,
   "min_gradient_pct": -10.220605304205037,
   "suppressed_max_gradient_pct": 50.915272344994946,
   "suppressed_location_m": [
    243.0,
    248.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.939600079748516,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 147.0,
   "end_distance_m": 157.0,
   "start_elevation_m": 144.5321531022288,
   "end_elevation_m": 146.72611311020364,
   "min_gradient_pct": -8.45552688445622,
   "suppressed_max_gradient_pct": 38.989927675316665,
   "suppressed_location_m": [
    241.0,
    251.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.987425510372958,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 139.0,
   "end_distance_m": 159.0,
   "start_elevation_m": 143.09588675133688,
   "end_elevation_m": 147.09337185341147,
   "min_gradient_pct": -6.191466605546054,
   "suppressed_max_gradient_pct": 29.56872601099846,
   "suppressed_location_m": [
    231.0,
    251.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 19.60148089086647,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "start_elevation_m": 144.91216843112625,
   "end_elevation_m": 149.81253865384286,
   "min_gradient_pct": -5.318695155906312,
   "suppressed_max_gradient_pct": 27.71416035903178,
   "suppressed_location_m": [
    226.0,
    251.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.59547994137091,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 130.0,
   "end_distance_m": 180.0,
   "start_elevation_m": 141.61414813241856,
   "end_elevation_m": 150.91188810310402,
   "min_gradient_pct": -3.1246791805493217,
   "suppressed_max_gradient_pct": 23.44566424021019,
   "suppressed_location_m": [
    766.0,
    816.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.255337680000139,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 114.0,
   "end_distance_m": 214.0,
   "start_elevation_m": 140.58932778486246,
   "end_elevation_m": 155.8446654648626,
   "min_gradient_pct": 0.23089011511393664,
   "suppressed_max_gradient_pct": 19.755086986572763,
   "suppressed_location_m": [
    151.0,
    251.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.381,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 136.0,
  "shape_class": "sustained"
 },
 "length_m": 1123.7330960405059,
 "start_elevation_m": 126.95907965991195,
 "end_elevation_m": 239.02293275878878,
 "endpoint_gain_m": 112.06385309887683,
 "overall_gradient_pct": 9.972461743249875,
 "accumulated_ascent_m": 115.83204568532942,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.32083632587819,
   "start_distance_m": 150.0,
   "end_distance_m": 155.0,
   "midpoint_distance_m": 152.5,
   "start_elevation_m": 145.14184910486193,
   "end_elevation_m": 146.35789092115584,
   "start_xy": [
    276976.297723432,
    357956.69077945413
   ],
   "end_xy": [
    276972.4677745445,
    357959.9034058247
   ]
  },
  "max_10m": {
   "gradient_pct": 21.939600079748516,
   "start_distance_m": 147.0,
   "end_distance_m": 157.0,
   "midpoint_distance_m": 152.0,
   "start_elevation_m": 144.5321531022288,
   "end_elevation_m": 146.72611311020364,
   "start_xy": [
    276978.8991203817,
    357955.2043009304
   ],
   "end_xy": [
    276970.94138144766,
    357961.19573864323
   ]
  },
  "max_20m": {
   "gradient_pct": 19.987425510372958,
   "start_distance_m": 139.0,
   "end_distance_m": 159.0,
   "midpoint_distance_m": 149.0,
   "start_elevation_m": 143.09588675133688,
   "end_elevation_m": 147.09337185341147,
   "start_xy": [
    276986.24676483934,
    357952.21056761965
   ],
   "end_xy": [
    276969.50836905575,
    357962.5896111883
   ]
  },
  "max_25m": {
   "gradient_pct": 19.60148089086647,
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 161.5,
   "start_elevation_m": 144.91216843112625,
   "end_elevation_m": 149.81253865384286,
   "start_xy": [
    276977.1341742665,
    357956.14502598695
   ],
   "end_xy": [
    276959.3051546009,
    357973.5755496823
   ]
  },
  "max_50m": {
   "gradient_pct": 18.59547994137091,
   "start_distance_m": 130.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 155.0,
   "start_elevation_m": 141.61414813241856,
   "end_elevation_m": 150.91188810310402,
   "start_xy": [
    276995.12414816057,
    357951.13233592926
   ],
   "end_xy": [
    276955.52380726347,
    357978.22148376657
   ]
  },
  "max_100m": {
   "gradient_pct": 15.255337680000139,
   "start_distance_m": 114.0,
   "end_distance_m": 214.0,
   "midpoint_distance_m": 164.0,
   "start_elevation_m": 140.58932778486246,
   "end_elevation_m": 155.8446654648626,
   "start_xy": [
    277010.83871211513,
    357953.7502011274
   ],
   "end_xy": [
    276935.5091188807,
    358004.9321781188
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -10.220605304205037,
   "start_distance_m": 939.0,
   "end_distance_m": 944.0,
   "midpoint_distance_m": 941.5,
   "start_elevation_m": 231.01987659003936,
   "end_elevation_m": 230.5088463248291,
   "start_xy": [
    276668.4658987303,
    358423.3788273028
   ],
   "end_xy": [
    276663.96825758787,
    358421.19451564614
   ]
  },
  "min_10m": {
   "gradient_pct": -8.45552688445622,
   "start_distance_m": 936.0,
   "end_distance_m": 946.0,
   "midpoint_distance_m": 941.0,
   "start_elevation_m": 231.19783074660577,
   "end_elevation_m": 230.35227805816015,
   "start_xy": [
    276671.16437961976,
    358424.6896287709
   ],
   "end_xy": [
    276662.16931991134,
    358420.32054594136
   ]
  },
  "min_20m": {
   "gradient_pct": -6.191466605546054,
   "start_distance_m": 931.0,
   "end_distance_m": 951.0,
   "midpoint_distance_m": 941.0,
   "start_elevation_m": 231.35938283010964,
   "end_elevation_m": 230.12108950900043,
   "start_xy": [
    276675.6208647143,
    358426.9561641538
   ],
   "end_xy": [
    276657.6720500246,
    358418.1354687342
   ]
  },
  "min_25m": {
   "gradient_pct": -5.318695155906312,
   "start_distance_m": 929.0,
   "end_distance_m": 954.0,
   "midpoint_distance_m": 941.5,
   "start_elevation_m": 231.4154360461806,
   "end_elevation_m": 230.085762257204,
   "start_xy": [
    276677.39709993824,
    358427.87539625185
   ],
   "end_xy": [
    276654.97356920515,
    358416.824667122
   ]
  },
  "min_50m": {
   "gradient_pct": -3.1246791805493217,
   "start_distance_m": 929.0,
   "end_distance_m": 979.0,
   "midpoint_distance_m": 954.0,
   "start_elevation_m": 231.4154360461806,
   "end_elevation_m": 229.85309645590593,
   "start_xy": [
    276677.39709993824,
    358427.87539625185
   ],
   "end_xy": [
    276632.7494506858,
    358405.3906700788
   ]
  },
  "min_100m": {
   "gradient_pct": 0.23089011511393664,
   "start_distance_m": 923.0,
   "end_distance_m": 1023.0,
   "midpoint_distance_m": 973.0,
   "start_elevation_m": 231.13436011449403,
   "end_elevation_m": 231.36525022960797,
   "start_xy": [
    276682.72538089927,
    358430.6339135289
   ],
   "end_xy": [
    276593.5173587194,
    358385.5295354146
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.159774384140746,
   "start_distance_m": 249.0,
   "end_distance_m": 251.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 164.55452001905581,
   "end_elevation_m": 165.13771550673863,
   "start_xy": [
    276912.1830551973,
    358029.26802082703
   ],
   "end_xy": [
    276911.5221764464,
    358031.155675029
   ]
  },
  "max_3m": {
   "gradient_pct": 25.518868547209195,
   "start_distance_m": 150.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 151.5,
   "start_elevation_m": 145.14184910486193,
   "end_elevation_m": 145.9074151612782,
   "start_xy": [
    276976.297723432,
    357956.69077945413
   ],
   "end_xy": [
    276973.9940920152,
    357958.61098369356
   ]
  }
 },
 "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": 0.048,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.12,
   "windows_resited": [
    10.0,
    20.0,
    25.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 789.0,
     "end_m": 814.0,
     "raw_pct": 25.69,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 793.0,
     "end_m": 813.0,
     "raw_pct": 25.78,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 804.0,
     "end_m": 814.0,
     "raw_pct": 26.79,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 217.0,
     "end_m": 242.0,
     "raw_pct": 20.45,
     "reason": "mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 766.0,
     "end_m": 786.0,
     "raw_pct": 20.79,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 774.0,
     "end_m": 784.0,
     "raw_pct": 23.67,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.532,
   "obstruction_max_height_m": 21.97,
   "flagged_windows_m": [
    2,
    20,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    215.0,
    248.0
   ],
   [
    468.0,
    515.0
   ],
   [
    764.0,
    816.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_11_276357_20210302dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_11_276358_20210302dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_11_277357_20210302dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_11_277358_20210302dtm.tif"
  ],
  "calculated_at": "2026-09-12T00:09:34+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-uk-wales/batch-england-rchunk04.pbf",
  "osm_snapshot": "",
  "run_id": "texture-uk-wales-260911",
  "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_11_276357_20210302dtm.tif",
   "wg_del_11_276358_20210302dtm.tif",
   "wg_del_11_277357_20210302dtm.tif",
   "wg_del_11_277358_20210302dtm.tif"
  ],
  "elevation_capture_dates": [
   "02-03-2021"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Rhiwddolion",
  "county": "Conwy - Conwy"
 }
}