{
 "ocl_version": "0.1.0",
 "name": "Wildwood Lane",
 "slug": "wildwood-lane",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.6434931930816,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 53.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 22.182186987624853,
   "end_elevation_m": 22.995056851486485,
   "min_gradient_pct": -18.448429488549678
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.144509350618115,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 52.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 21.85072157096794,
   "end_elevation_m": 22.995056851486485,
   "min_gradient_pct": -16.09989910152147
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.212365436958635,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 50.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 21.234438579638553,
   "end_elevation_m": 22.995056851486485,
   "min_gradient_pct": -9.45849245228274
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.555506849071026,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 20.28522138502148,
   "end_elevation_m": 23.240772069928582,
   "min_gradient_pct": -6.823883887685511
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.59185779547706,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "start_elevation_m": 20.28522138502148,
   "end_elevation_m": 25.20359294411689,
   "min_gradient_pct": -3.332067418998399
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.876685773447154,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 41.0,
   "end_distance_m": 66.0,
   "start_elevation_m": 19.734421500755104,
   "end_elevation_m": 25.20359294411689,
   "min_gradient_pct": -2.6829983194134286
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.280706834562523,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 49.0,
   "end_distance_m": 99.0,
   "start_elevation_m": 20.897451140082246,
   "end_elevation_m": 30.537804557363508,
   "min_gradient_pct": 3.9045455937958593
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.94559735286572,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 16.0,
   "end_distance_m": 116.0,
   "start_elevation_m": 16.012967758636346,
   "end_elevation_m": 33.95856511150207,
   "min_gradient_pct": 7.8738893784039306
  }
 ],
 "shape": {
  "ascent_concentration": 0.395,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 108.0,
  "shape_class": "sustained"
 },
 "length_m": 221.8465614606844,
 "start_elevation_m": 14.936388501276953,
 "end_elevation_m": 42.54313843469578,
 "endpoint_gain_m": 27.606749933418826,
 "overall_gradient_pct": 12.444073846198101,
 "accumulated_ascent_m": 28.764632949678635,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.212365436958635,
   "start_distance_m": 50.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 52.5,
   "start_elevation_m": 21.234438579638553,
   "end_elevation_m": 22.995056851486485,
   "start_xy": [
    523980.3620095426,
    4934488.525781436
   ],
   "end_xy": [
    523982.64781049686,
    4934484.078859579
   ]
  },
  "max_10m": {
   "gradient_pct": 29.555506849071026,
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 20.28522138502148,
   "end_elevation_m": 23.240772069928582,
   "start_xy": [
    523978.5333687792,
    4934492.083318921
   ],
   "end_xy": [
    523983.1049706877,
    4934483.189475208
   ]
  },
  "max_20m": {
   "gradient_pct": 24.59185779547706,
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 20.28522138502148,
   "end_elevation_m": 25.20359294411689,
   "start_xy": [
    523978.5333687792,
    4934492.083318921
   ],
   "end_xy": [
    523987.67657259625,
    4934474.295631494
   ]
  },
  "max_25m": {
   "gradient_pct": 21.876685773447154,
   "start_distance_m": 41.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 53.5,
   "start_elevation_m": 19.734421500755104,
   "end_elevation_m": 25.20359294411689,
   "start_xy": [
    523976.2475678249,
    4934496.530240777
   ],
   "end_xy": [
    523987.67657259625,
    4934474.295631494
   ]
  },
  "max_50m": {
   "gradient_pct": 19.280706834562523,
   "start_distance_m": 49.0,
   "end_distance_m": 99.0,
   "midpoint_distance_m": 74.0,
   "start_elevation_m": 20.897451140082246,
   "end_elevation_m": 30.537804557363508,
   "start_xy": [
    523979.90484935173,
    4934489.415165807
   ],
   "end_xy": [
    524002.7628588943,
    4934444.945947242
   ]
  },
  "max_100m": {
   "gradient_pct": 17.94559735286572,
   "start_distance_m": 16.0,
   "end_distance_m": 116.0,
   "midpoint_distance_m": 66.0,
   "start_elevation_m": 16.012967758636346,
   "end_elevation_m": 33.95856511150207,
   "start_xy": [
    523964.8185630536,
    4934518.7648500595
   ],
   "end_xy": [
    524010.5345821388,
    4934429.82641293
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.45849245228274,
   "start_distance_m": 196.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 198.5,
   "start_elevation_m": 42.044567095783044,
   "end_elevation_m": 41.57164247316891,
   "start_xy": [
    523996.68281356816,
    4934352.496559653
   ],
   "end_xy": [
    523996.12626475556,
    4934347.5276308535
   ]
  },
  "min_10m": {
   "gradient_pct": -6.823883887685511,
   "start_distance_m": 197.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 202.0,
   "start_elevation_m": 42.012757601782575,
   "end_elevation_m": 41.33036921301402,
   "start_xy": [
    523996.57150380564,
    4934351.502773894
   ],
   "end_xy": [
    523995.45840618043,
    4934341.564916294
   ]
  },
  "min_20m": {
   "gradient_pct": -3.332067418998399,
   "start_distance_m": 188.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 198.0,
   "start_elevation_m": 42.00148679154059,
   "end_elevation_m": 41.33507330774091,
   "start_xy": [
    523997.5732916683,
    4934360.446845734
   ],
   "end_xy": [
    523995.3470964179,
    4934340.571130534
   ]
  },
  "min_25m": {
   "gradient_pct": -2.6829983194134286,
   "start_distance_m": 183.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 195.5,
   "start_elevation_m": 42.00582288759427,
   "end_elevation_m": 41.33507330774091,
   "start_xy": [
    523998.12984048086,
    4934365.4157745335
   ],
   "end_xy": [
    523995.3470964179,
    4934340.571130534
   ]
  },
  "min_50m": {
   "gradient_pct": 3.9045455937958593,
   "start_distance_m": 171.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 196.0,
   "start_elevation_m": 40.570251799112555,
   "end_elevation_m": 42.522524596010484,
   "start_xy": [
    523999.4655576311,
    4934377.341203653
   ],
   "end_xy": [
    523994.36638976954,
    4934327.6108124405
   ]
  },
  "min_100m": {
   "gradient_pct": 7.8738893784039306,
   "start_distance_m": 121.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 171.0,
   "start_elevation_m": 34.648635217606554,
   "end_elevation_m": 42.522524596010484,
   "start_xy": [
    524012.2691060787,
    4934425.344020472
   ],
   "end_xy": [
    523994.36638976954,
    4934327.6108124405
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.6434931930816,
   "start_distance_m": 53.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 22.182186987624853,
   "end_elevation_m": 22.995056851486485,
   "start_xy": [
    523981.73349011515,
    4934485.857628321
   ],
   "end_xy": [
    523982.64781049686,
    4934484.078859579
   ]
  },
  "max_3m": {
   "gradient_pct": 38.144509350618115,
   "start_distance_m": 52.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 53.5,
   "start_elevation_m": 21.85072157096794,
   "end_elevation_m": 22.995056851486485,
   "start_xy": [
    523981.2763299243,
    4934486.7470126925
   ],
   "end_xy": [
    523982.64781049686,
    4934484.078859579
   ]
  }
 },
 "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": {
  "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x52y494_ME_MidCentral_B23.tif"
  ],
  "calculated_at": "2026-08-24T21:04:42+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/maine-2026-08-22.osm.pbf",
  "osm_snapshot": "2026-08-21T20:21:11Z",
  "run_id": "redo-me-1-260824",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, ME_MidCentral_B23 (collected 2023)",
  "elevation_tile_ids": [
   "x52y494"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 12.6% over 200 m (Terrain 50), gain 27.3 m over 222 m way. KEPT at seed extent: no ascending continuation (min_avg=2.0%). ADOPTED (NE wave 1, 2026-08-25): clean-steep. Wales dials per PRODUCTION 'US ADOPTION DIALS'.",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Orland",
  "county": "Maine"
 }
}