{
 "ocl_version": "0.1.0",
 "name": "Drummochy to New Gilston",
 "slug": "discovered-lane-56-2397-2-9370",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 15.45268335900758,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1095.0,
   "end_distance_m": 1097.0,
   "start_elevation_m": 88.96249145479155,
   "end_elevation_m": 89.2715451219717,
   "min_gradient_pct": -27.332061585872935
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 15.270260037350644,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 755.0,
   "end_distance_m": 758.0,
   "start_elevation_m": 66.07159737268265,
   "end_elevation_m": 66.52970517380317,
   "min_gradient_pct": -21.730106616681155
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 14.981314469067968,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 755.0,
   "end_distance_m": 760.0,
   "start_elevation_m": 66.07159737268265,
   "end_elevation_m": 66.82066309613604,
   "min_gradient_pct": -16.024348110993003
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 14.573795784654209,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 750.0,
   "end_distance_m": 760.0,
   "start_elevation_m": 65.36328351767062,
   "end_elevation_m": 66.82066309613604,
   "min_gradient_pct": -10.45612383371676
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.43463791130739,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 740.0,
   "end_distance_m": 760.0,
   "start_elevation_m": 63.933735513874566,
   "end_elevation_m": 66.82066309613604,
   "min_gradient_pct": -8.516111124098487
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.297879995073288,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 738.0,
   "end_distance_m": 763.0,
   "start_elevation_m": 63.65090499271203,
   "end_elevation_m": 67.22537499148035,
   "min_gradient_pct": -8.238441337600193
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.244424866513441,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4612.0,
   "end_distance_m": 4662.0,
   "start_elevation_m": 152.8236708776911,
   "end_elevation_m": 159.4458833109478,
   "min_gradient_pct": -6.990508944132358
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.037715895092019,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4579.0,
   "end_distance_m": 4679.0,
   "start_elevation_m": 149.3239892346699,
   "end_elevation_m": 161.36170512976193,
   "min_gradient_pct": -5.650791105148769
  }
 ],
 "shape": {
  "ascent_concentration": 0.42,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 95.0,
  "shape_class": "sustained"
 },
 "length_m": 5799.354917859401,
 "start_elevation_m": 24.18771932501192,
 "end_elevation_m": 205.67958493041857,
 "endpoint_gain_m": 181.49186560540664,
 "overall_gradient_pct": 3.1295181649685455,
 "accumulated_ascent_m": 220.52087407955347,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 14.981314469067968,
   "start_distance_m": 755.0,
   "end_distance_m": 760.0,
   "midpoint_distance_m": 757.5,
   "start_elevation_m": 66.07159737268265,
   "end_elevation_m": 66.82066309613604,
   "start_xy": [
    341741.72412194015,
    703710.2818782511
   ],
   "end_xy": [
    341742.51120711653,
    703715.2195393295
   ]
  },
  "max_10m": {
   "gradient_pct": 14.573795784654209,
   "start_distance_m": 750.0,
   "end_distance_m": 760.0,
   "midpoint_distance_m": 755.0,
   "start_elevation_m": 65.36328351767062,
   "end_elevation_m": 66.82066309613604,
   "start_xy": [
    341740.9370367637,
    703705.3442171727
   ],
   "end_xy": [
    341742.51120711653,
    703715.2195393295
   ]
  },
  "max_20m": {
   "gradient_pct": 14.43463791130739,
   "start_distance_m": 740.0,
   "end_distance_m": 760.0,
   "midpoint_distance_m": 750.0,
   "start_elevation_m": 63.933735513874566,
   "end_elevation_m": 66.82066309613604,
   "start_xy": [
    341739.36286641087,
    703695.468895016
   ],
   "end_xy": [
    341742.51120711653,
    703715.2195393295
   ]
  },
  "max_25m": {
   "gradient_pct": 14.297879995073288,
   "start_distance_m": 738.0,
   "end_distance_m": 763.0,
   "midpoint_distance_m": 750.5,
   "start_elevation_m": 63.65090499271203,
   "end_elevation_m": 67.22537499148035,
   "start_xy": [
    341739.0480323403,
    703693.4938305846
   ],
   "end_xy": [
    341742.9834582224,
    703718.1821359766
   ]
  },
  "max_50m": {
   "gradient_pct": 13.244424866513441,
   "start_distance_m": 4612.0,
   "end_distance_m": 4662.0,
   "midpoint_distance_m": 4637.0,
   "start_elevation_m": 152.8236708776911,
   "end_elevation_m": 159.4458833109478,
   "start_xy": [
    342959.28752924094,
    706898.6173553847
   ],
   "end_xy": [
    342962.2339098798,
    706948.3827628619
   ]
  },
  "max_100m": {
   "gradient_pct": 12.037715895092019,
   "start_distance_m": 4579.0,
   "end_distance_m": 4679.0,
   "midpoint_distance_m": 4629.0,
   "start_elevation_m": 149.3239892346699,
   "end_elevation_m": 161.36170512976193,
   "start_xy": [
    342947.64310092636,
    706868.3237262351
   ],
   "end_xy": [
    342967.81114876585,
    706964.3854925878
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -16.024348110993003,
   "start_distance_m": 1325.0,
   "end_distance_m": 1330.0,
   "midpoint_distance_m": 1327.5,
   "start_elevation_m": 89.2031056318064,
   "end_elevation_m": 88.40188822625674,
   "start_xy": [
    341728.3122815969,
    704268.3597381669
   ],
   "end_xy": [
    341727.24029898044,
    704273.2434717049
   ]
  },
  "min_10m": {
   "gradient_pct": -10.45612383371676,
   "start_distance_m": 1320.0,
   "end_distance_m": 1330.0,
   "midpoint_distance_m": 1325.0,
   "start_elevation_m": 89.44750060962842,
   "end_elevation_m": 88.40188822625674,
   "start_xy": [
    341729.3842642134,
    704263.4760046289
   ],
   "end_xy": [
    341727.24029898044,
    704273.2434717049
   ]
  },
  "min_20m": {
   "gradient_pct": -8.516111124098487,
   "start_distance_m": 1308.0,
   "end_distance_m": 1328.0,
   "midpoint_distance_m": 1318.0,
   "start_elevation_m": 90.25442465812566,
   "end_elevation_m": 88.55120243330596,
   "start_xy": [
    341731.95702249295,
    704251.7550441378
   ],
   "end_xy": [
    341727.669092027,
    704271.2899782897
   ]
  },
  "min_25m": {
   "gradient_pct": -8.238441337600193,
   "start_distance_m": 1305.0,
   "end_distance_m": 1330.0,
   "midpoint_distance_m": 1317.5,
   "start_elevation_m": 90.46149856065679,
   "end_elevation_m": 88.40188822625674,
   "start_xy": [
    341732.6002120629,
    704248.824804015
   ],
   "end_xy": [
    341727.24029898044,
    704273.2434717049
   ]
  },
  "min_50m": {
   "gradient_pct": -6.990508944132358,
   "start_distance_m": 1280.0,
   "end_distance_m": 1330.0,
   "midpoint_distance_m": 1305.0,
   "start_elevation_m": 91.89714269832292,
   "end_elevation_m": 88.40188822625674,
   "start_xy": [
    341737.9601251453,
    704224.4061363252
   ],
   "end_xy": [
    341727.24029898044,
    704273.2434717049
   ]
  },
  "min_100m": {
   "gradient_pct": -5.650791105148769,
   "start_distance_m": 1259.0,
   "end_distance_m": 1359.0,
   "midpoint_distance_m": 1309.0,
   "start_elevation_m": 92.65371679812708,
   "end_elevation_m": 87.00292569297831,
   "start_xy": [
    341742.4624521346,
    704203.8944554657
   ],
   "end_xy": [
    341721.02279980475,
    704301.5691262252
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 15.45268335900758,
   "start_distance_m": 1095.0,
   "end_distance_m": 1097.0,
   "midpoint_distance_m": 1096.0,
   "start_elevation_m": 88.96249145479155,
   "end_elevation_m": 89.2715451219717,
   "start_xy": [
    341772.2360438776,
    704043.2713798722
   ],
   "end_xy": [
    341772.3446721836,
    704045.268427666
   ]
  },
  "max_3m": {
   "gradient_pct": 15.270260037350644,
   "start_distance_m": 755.0,
   "end_distance_m": 758.0,
   "midpoint_distance_m": 756.5,
   "start_elevation_m": 66.07159737268265,
   "end_elevation_m": 66.52970517380317,
   "start_xy": [
    341741.72412194015,
    703710.2818782511
   ],
   "end_xy": [
    341742.19637304597,
    703713.2444748982
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.166,
   "obstruction_max_height_m": 20.3,
   "flagged_windows_m": [
    2
   ]
  },
  "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": 0.5,
  "elevation_tiles": [
   "data/cache/scotland/phase-5/dtm/NO40SW.tif",
   "data/cache/scotland/phase-5/dtm/NO40NW.tif"
  ],
  "calculated_at": "2026-08-18T18:39:51+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/scotland-2026-08-14-roads.osm.pbf",
  "osm_snapshot": "2026-08-13T20:21:01Z",
  "elevation_provider": "Scottish Remote Sensing Portal (AWS Open Data, srsp-open-data)",
  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Scottish Government, SEPA and partners; Crown copyright",
  "elevation_dataset": "Scottish Public Sector LiDAR Phase 5 50cm",
  "elevation_tile_ids": [
   "NO40SW",
   "NO40NW"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 9.2% over 200 m (Terrain 50), gain 59.1 m over 3411 m way. EXTENDED by graph walk: +2 segment(s) at base, +2 at top (stop: base=no_descending_continuation, top=no_ascending_continuation; min_avg=2.0%). Review before adopting. DEDUPE: absorbed 1 overlapping proposal(s): discovered-lane-56-2507-2-9226 ADOPTED (Scotland launch 2026-08-18): big-gain. AUTO-NAMED from gazetteer (hypothesis, unreviewed): was 'Discovered lane (56.2397, -2.9370)'.",
  "naming_note": "auto-named from gazetteer (hypothesis, unreviewed); discovered as 'Discovered lane (56.2397, -2.9370)'"
 },
 "area": {
  "place": "Pitcruvie Den",
  "county": "Fife"
 }
}