{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (52.3723, -3.5296)",
 "slug": "discovered-lane-52-3723-3-5296-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.99369481695453,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 3271.0,
   "end_distance_m": 3273.0,
   "start_elevation_m": 333.67978639206876,
   "end_elevation_m": 334.27966028840785,
   "min_gradient_pct": -40.380519754054944,
   "suppressed_max_gradient_pct": 58.5145589153484,
   "suppressed_location_m": [
    904.0,
    906.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.901688147907407,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 3282.0,
   "end_distance_m": 3285.0,
   "start_elevation_m": 335.4264450202747,
   "end_elevation_m": 336.1434956647119,
   "min_gradient_pct": -38.2592986444763,
   "suppressed_max_gradient_pct": 37.90392348290842,
   "suppressed_location_m": [
    3235.0,
    3238.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.800460379196238,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 3282.0,
   "end_distance_m": 3287.0,
   "start_elevation_m": 335.4264450202747,
   "end_elevation_m": 336.5164680392345,
   "min_gradient_pct": -31.44410739678051,
   "suppressed_max_gradient_pct": 33.81362812331872,
   "suppressed_location_m": [
    3237.0,
    3242.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.73405081617352,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 3398.0,
   "end_distance_m": 3408.0,
   "start_elevation_m": 348.1921402223604,
   "end_elevation_m": 350.2655453039778,
   "min_gradient_pct": -16.473497709587832,
   "suppressed_max_gradient_pct": 30.47379657734666,
   "suppressed_location_m": [
    3232.0,
    3242.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.103803165205306,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 3388.0,
   "end_distance_m": 3408.0,
   "start_elevation_m": 346.4447846709367,
   "end_elevation_m": 350.2655453039778,
   "min_gradient_pct": -11.943843870193689,
   "suppressed_max_gradient_pct": 22.921822514609005,
   "suppressed_location_m": [
    3222.0,
    3242.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.264954529847273,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 3383.0,
   "end_distance_m": 3408.0,
   "start_elevation_m": 345.69930667151596,
   "end_elevation_m": 350.2655453039778,
   "min_gradient_pct": -11.552238718500348,
   "suppressed_max_gradient_pct": 20.800198720753087,
   "suppressed_location_m": [
    3217.0,
    3242.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.301639158513353,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 3363.0,
   "end_distance_m": 3413.0,
   "start_elevation_m": 342.85414185534376,
   "end_elevation_m": 351.00496143460043,
   "min_gradient_pct": -10.077343524932985,
   "suppressed_max_gradient_pct": 16.49690022975983,
   "suppressed_location_m": [
    3230.0,
    3280.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.065124447540825,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 3321.0,
   "end_distance_m": 3421.0,
   "start_elevation_m": 337.91986425227054,
   "end_elevation_m": 351.98498869981137,
   "min_gradient_pct": -8.286229296264878,
   "suppressed_max_gradient_pct": 14.540169087657148,
   "suppressed_location_m": [
    3188.0,
    3288.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.403,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 99.0,
  "shape_class": "sustained"
 },
 "length_m": 3505.3471519987047,
 "start_elevation_m": 292.82451112884485,
 "end_elevation_m": 357.39388666870036,
 "endpoint_gain_m": 64.56937553985551,
 "overall_gradient_pct": 1.8420251330325121,
 "accumulated_ascent_m": 137.331256541416,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.800460379196238,
   "start_distance_m": 3282.0,
   "end_distance_m": 3287.0,
   "midpoint_distance_m": 3284.5,
   "start_elevation_m": 335.4264450202747,
   "end_elevation_m": 336.5164680392345,
   "start_xy": [
    295784.9641615913,
    276309.12087039626
   ],
   "end_xy": [
    295787.9166885277,
    276313.156038376
   ]
  },
  "max_10m": {
   "gradient_pct": 20.73405081617352,
   "start_distance_m": 3398.0,
   "end_distance_m": 3408.0,
   "midpoint_distance_m": 3403.0,
   "start_elevation_m": 348.1921402223604,
   "end_elevation_m": 350.2655453039778,
   "start_xy": [
    295794.75561508076,
    276411.050693441
   ],
   "end_xy": [
    295788.4719697214,
    276418.81127095077
   ]
  },
  "max_20m": {
   "gradient_pct": 19.103803165205306,
   "start_distance_m": 3388.0,
   "end_distance_m": 3408.0,
   "midpoint_distance_m": 3398.0,
   "start_elevation_m": 346.4447846709367,
   "end_elevation_m": 350.2655453039778,
   "start_xy": [
    295800.9390498561,
    276403.19161520695
   ],
   "end_xy": [
    295788.4719697214,
    276418.81127095077
   ]
  },
  "max_25m": {
   "gradient_pct": 18.264954529847273,
   "start_distance_m": 3383.0,
   "end_distance_m": 3408.0,
   "midpoint_distance_m": 3395.5,
   "start_elevation_m": 345.69930667151596,
   "end_elevation_m": 350.2655453039778,
   "start_xy": [
    295804.03089904075,
    276399.2621797302
   ],
   "end_xy": [
    295788.4719697214,
    276418.81127095077
   ]
  },
  "max_50m": {
   "gradient_pct": 16.301639158513353,
   "start_distance_m": 3363.0,
   "end_distance_m": 3413.0,
   "midpoint_distance_m": 3388.0,
   "start_elevation_m": 342.85414185534376,
   "end_elevation_m": 351.00496143460043,
   "start_xy": [
    295812.5949289409,
    276381.4425194291
   ],
   "end_xy": [
    295784.0648708918,
    276421.1581934786
   ]
  },
  "max_100m": {
   "gradient_pct": 14.065124447540825,
   "start_distance_m": 3321.0,
   "end_distance_m": 3421.0,
   "midpoint_distance_m": 3371.0,
   "start_elevation_m": 337.91986425227054,
   "end_elevation_m": 351.98498869981137,
   "start_xy": [
    295806.8955160911,
    276341.23232024745
   ],
   "end_xy": [
    295776.95010434726,
    276424.8160734683
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -31.44410739678051,
   "start_distance_m": 1410.0,
   "end_distance_m": 1415.0,
   "midpoint_distance_m": 1412.5,
   "start_elevation_m": 308.83144569215557,
   "end_elevation_m": 307.25924032231654,
   "start_xy": [
    297021.305536094,
    275285.5650729565
   ],
   "end_xy": [
    297017.04105185054,
    275288.17546996736
   ]
  },
  "min_10m": {
   "gradient_pct": -16.473497709587832,
   "start_distance_m": 1408.0,
   "end_distance_m": 1418.0,
   "midpoint_distance_m": 1413.0,
   "start_elevation_m": 308.7760581244319,
   "end_elevation_m": 307.12870835347314,
   "start_xy": [
    297023.0113862389,
    275284.521006311
   ],
   "end_xy": [
    297014.4825009659,
    275289.7419361029
   ]
  },
  "min_20m": {
   "gradient_pct": -11.943843870193689,
   "start_distance_m": 659.0,
   "end_distance_m": 679.0,
   "midpoint_distance_m": 669.0,
   "start_elevation_m": 309.7301266481528,
   "end_elevation_m": 307.34135787411407,
   "start_xy": [
    297679.51029939816,
    275220.9240393638
   ],
   "end_xy": [
    297659.5690650599,
    275222.4560572271
   ]
  },
  "min_25m": {
   "gradient_pct": -11.552238718500348,
   "start_distance_m": 659.0,
   "end_distance_m": 684.0,
   "midpoint_distance_m": 671.5,
   "start_elevation_m": 309.7301266481528,
   "end_elevation_m": 306.8420669685277,
   "start_xy": [
    297679.51029939816,
    275220.9240393638
   ],
   "end_xy": [
    297654.5837579379,
    275222.83908063866
   ]
  },
  "min_50m": {
   "gradient_pct": -10.077343524932985,
   "start_distance_m": 651.0,
   "end_distance_m": 701.0,
   "midpoint_distance_m": 676.0,
   "start_elevation_m": 310.3958105089648,
   "end_elevation_m": 305.3571387464983,
   "start_xy": [
    297687.4883604446,
    275220.33243628097
   ],
   "end_xy": [
    297637.6337028146,
    275224.1412175359
   ]
  },
  "min_100m": {
   "gradient_pct": -8.286229296264878,
   "start_distance_m": 692.0,
   "end_distance_m": 792.0,
   "midpoint_distance_m": 742.0,
   "start_elevation_m": 306.7139760906647,
   "end_elevation_m": 298.4277467943998,
   "start_xy": [
    297646.60727602517,
    275223.45204114553
   ],
   "end_xy": [
    297555.6820935173,
    275257.2917580364
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.99369481695453,
   "start_distance_m": 3271.0,
   "end_distance_m": 3273.0,
   "midpoint_distance_m": 3272.0,
   "start_elevation_m": 333.67978639206876,
   "end_elevation_m": 334.27966028840785,
   "start_xy": [
    295778.4677509778,
    276300.244123795
   ],
   "end_xy": [
    295779.64878673636,
    276301.8581727055
   ]
  },
  "max_3m": {
   "gradient_pct": 23.901688147907407,
   "start_distance_m": 3282.0,
   "end_distance_m": 3285.0,
   "midpoint_distance_m": 3283.5,
   "start_elevation_m": 335.4264450202747,
   "end_elevation_m": 336.1434956647119,
   "start_xy": [
    295784.9641615913,
    276309.12087039626
   ],
   "end_xy": [
    295786.73565276904,
    276311.5419894655
   ]
  }
 },
 "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": 0.002,
   "windows_resited": [
    2.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.016,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 3217.0,
     "end_m": 3242.0,
     "raw_pct": 20.8,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 3222.0,
     "end_m": 3242.0,
     "raw_pct": 22.92,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 3232.0,
     "end_m": 3242.0,
     "raw_pct": 30.47,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 1314.0,
     "end_m": 1319.0,
     "raw_pct": 33.08,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 165.0,
     "end_m": 170.0,
     "raw_pct": 27.26,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.392,
   "obstruction_max_height_m": 25.94,
   "flagged_windows_m": [
    2
   ]
  },
  "excluded_ranges_m": [
   [
    163.0,
    172.0
   ],
   [
    902.0,
    907.0
   ],
   [
    1312.0,
    1321.0
   ],
   [
    3215.0,
    3244.0
   ]
  ],
  "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_26_298275_20220226dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_26_298276_20220226dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_28_295275_20220314dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_28_295276_20220314dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_28_296275_20220314dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_28_296276_20220314dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_28_297275_20220226dtm.tif",
   "data/cache/wales/dtm_1m/wg_del_28_297276_20220226dtm.tif"
  ],
  "calculated_at": "2026-09-12T00:10:06+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-uk-wales/batch-england-rchunk02.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_26_298275_20220226dtm.tif",
   "wg_del_26_298276_20220226dtm.tif",
   "wg_del_28_295275_20220314dtm.tif",
   "wg_del_28_295276_20220314dtm.tif",
   "wg_del_28_296275_20220314dtm.tif",
   "wg_del_28_296276_20220314dtm.tif",
   "wg_del_28_297275_20220226dtm.tif",
   "wg_del_28_297276_20220226dtm.tif"
  ],
  "elevation_capture_dates": [
   "14-03-2022",
   "26-02-2022"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Pant-y-d\u0175r",
  "county": "Powys - Powys"
 }
}