{
 "ocl_version": "0.1.0",
 "name": "Woodland Road",
 "slug": "woodland-road-4",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.268673215786407,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 274.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 364.3256376714655,
   "end_elevation_m": 364.8110111357812,
   "min_gradient_pct": -8.81538012980343
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.680571618600272,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 274.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 364.3256376714655,
   "end_elevation_m": 365.0360548200235,
   "min_gradient_pct": -8.618340659376145
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.760916875254225,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 272.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 363.89800897626077,
   "end_elevation_m": 365.0360548200235,
   "min_gradient_pct": -8.264429615094286
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.348250254912045,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 270.0,
   "end_distance_m": 280.0,
   "start_elevation_m": 363.4552685368406,
   "end_elevation_m": 365.6900935623318,
   "min_gradient_pct": -7.908452153494068
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.778912571795956,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 267.0,
   "end_distance_m": 287.0,
   "start_elevation_m": 362.8281987256679,
   "end_elevation_m": 367.1839812400271,
   "min_gradient_pct": -7.721753627715202
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.50668645001815,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 266.0,
   "end_distance_m": 291.0,
   "start_elevation_m": 362.6178817707621,
   "end_elevation_m": 367.99455338326663,
   "min_gradient_pct": -7.648733384857223
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.138193801828834,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 253.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 360.11994749917295,
   "end_elevation_m": 370.18904440008737,
   "min_gradient_pct": -6.633377889197391
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.51166408507629,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 226.0,
   "end_distance_m": 326.0,
   "start_elevation_m": 356.1710818507954,
   "end_elevation_m": 373.6827459358717,
   "min_gradient_pct": -2.5774446827551856
  }
 ],
 "shape": {
  "ascent_concentration": 0.446,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 149.0,
  "shape_class": "sustained"
 },
 "length_m": 612.1039545915985,
 "start_elevation_m": 335.048025678957,
 "end_elevation_m": 382.9494508886751,
 "endpoint_gain_m": 47.90142520971807,
 "overall_gradient_pct": 7.825700985983395,
 "accumulated_ascent_m": 52.06799918167849,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.760916875254225,
   "start_distance_m": 272.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 274.5,
   "start_elevation_m": 363.89800897626077,
   "end_elevation_m": 365.0360548200235,
   "start_xy": [
    584379.5202437746,
    4487367.655497427
   ],
   "end_xy": [
    584379.7569212366,
    4487372.649892664
   ]
  },
  "max_10m": {
   "gradient_pct": 22.348250254912045,
   "start_distance_m": 270.0,
   "end_distance_m": 280.0,
   "midpoint_distance_m": 275.0,
   "start_elevation_m": 363.4552685368406,
   "end_elevation_m": 365.6900935623318,
   "start_xy": [
    584379.4255727899,
    4487365.657739332
   ],
   "end_xy": [
    584379.8989277137,
    4487375.646529806
   ]
  },
  "max_20m": {
   "gradient_pct": 21.778912571795956,
   "start_distance_m": 267.0,
   "end_distance_m": 287.0,
   "midpoint_distance_m": 277.0,
   "start_elevation_m": 362.8281987256679,
   "end_elevation_m": 367.1839812400271,
   "start_xy": [
    584379.2835663127,
    4487362.661102191
   ],
   "end_xy": [
    584380.2302761605,
    4487382.638683137
   ]
  },
  "max_25m": {
   "gradient_pct": 21.50668645001815,
   "start_distance_m": 266.0,
   "end_distance_m": 291.0,
   "midpoint_distance_m": 278.5,
   "start_elevation_m": 362.6178817707621,
   "end_elevation_m": 367.99455338326663,
   "start_xy": [
    584379.2362308203,
    4487361.6622231435
   ],
   "end_xy": [
    584380.436244657,
    4487386.633372476
   ]
  },
  "max_50m": {
   "gradient_pct": 20.138193801828834,
   "start_distance_m": 253.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 278.0,
   "start_elevation_m": 360.11994749917295,
   "end_elevation_m": 370.18904440008737,
   "start_xy": [
    584377.937231727,
    4487348.72970309
   ],
   "end_xy": [
    584381.0602805457,
    4487398.617135625
   ]
  },
  "max_100m": {
   "gradient_pct": 17.51166408507629,
   "start_distance_m": 226.0,
   "end_distance_m": 326.0,
   "midpoint_distance_m": 276.0,
   "start_elevation_m": 356.1710818507954,
   "end_elevation_m": 373.6827459358717,
   "start_xy": [
    584374.2893363775,
    4487321.985497453
   ],
   "end_xy": [
    584381.6183873237,
    4487421.609340783
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.264429615094286,
   "start_distance_m": 456.0,
   "end_distance_m": 461.0,
   "midpoint_distance_m": 458.5,
   "start_elevation_m": 378.6045050848795,
   "end_elevation_m": 378.1912836041248,
   "start_xy": [
    584383.3104746899,
    4487551.594324255
   ],
   "end_xy": [
    584382.6596426386,
    4487556.5487049725
   ]
  },
  "min_10m": {
   "gradient_pct": -7.908452153494068,
   "start_distance_m": 451.0,
   "end_distance_m": 461.0,
   "midpoint_distance_m": 456.0,
   "start_elevation_m": 378.9821288194742,
   "end_elevation_m": 378.1912836041248,
   "start_xy": [
    584383.3670159854,
    4487546.594643958
   ],
   "end_xy": [
    584382.6596426386,
    4487556.5487049725
   ]
  },
  "min_20m": {
   "gradient_pct": -7.721753627715202,
   "start_distance_m": 448.0,
   "end_distance_m": 468.0,
   "midpoint_distance_m": 458.0,
   "start_elevation_m": 379.2115543380774,
   "end_elevation_m": 377.66720361253437,
   "start_xy": [
    584383.3807736507,
    4487543.594897325
   ],
   "end_xy": [
    584380.2761255569,
    4487563.067799978
   ]
  },
  "min_25m": {
   "gradient_pct": -7.648733384857223,
   "start_distance_m": 443.0,
   "end_distance_m": 468.0,
   "midpoint_distance_m": 455.5,
   "start_elevation_m": 379.57938695874867,
   "end_elevation_m": 377.66720361253437,
   "start_xy": [
    584383.2937173236,
    4487538.595655263
   ],
   "end_xy": [
    584380.2761255569,
    4487563.067799978
   ]
  },
  "min_50m": {
   "gradient_pct": -6.633377889197391,
   "start_distance_m": 432.0,
   "end_distance_m": 482.0,
   "midpoint_distance_m": 457.0,
   "start_elevation_m": 380.21673524702067,
   "end_elevation_m": 376.90004630242197,
   "start_xy": [
    584383.1753737483,
    4487527.59634579
   ],
   "end_xy": [
    584369.7149555914,
    4487571.827129785
   ]
  },
  "min_100m": {
   "gradient_pct": -2.5774446827551856,
   "start_distance_m": 422.0,
   "end_distance_m": 522.0,
   "midpoint_distance_m": 472.0,
   "start_elevation_m": 380.27680826146707,
   "end_elevation_m": 377.6993635787119,
   "start_xy": [
    584383.0097077115,
    4487517.5977880545
   ],
   "end_xy": [
    584332.5214005511,
    4487586.477463552
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.268673215786407,
   "start_distance_m": 274.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 275.0,
   "start_elevation_m": 364.3256376714655,
   "end_elevation_m": 364.8110111357812,
   "start_xy": [
    584379.6149147594,
    4487369.653255521
   ],
   "end_xy": [
    584379.7095857442,
    4487371.6510136165
   ]
  },
  "max_3m": {
   "gradient_pct": 23.680571618600272,
   "start_distance_m": 274.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 275.5,
   "start_elevation_m": 364.3256376714655,
   "end_elevation_m": 365.0360548200235,
   "start_xy": [
    584379.6149147594,
    4487369.653255521
   ],
   "end_xy": [
    584379.7569212366,
    4487372.649892664
   ]
  }
 },
 "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": []
 },
 "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x58y449_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T13:16:19+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07-batch-band1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "pa-run4-260907",
  "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, PA_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x58y449"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_WesternPA_2019_D20: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Ross",
  "county": "Pennsylvania"
 }
}