{
 "ocl_version": "0.1.0",
 "name": "Wood Street",
 "slug": "wood-street-3",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.402839588143934,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 337.0,
   "end_distance_m": 339.0,
   "start_elevation_m": 269.89946383833137,
   "end_elevation_m": 270.42752063009425,
   "min_gradient_pct": -3.471411338091457
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.422085471620903,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 332.0,
   "end_distance_m": 335.0,
   "start_elevation_m": 268.6680257120929,
   "end_elevation_m": 269.43068827624154,
   "min_gradient_pct": -3.272898407774013
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.13162698907081,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 334.0,
   "end_distance_m": 339.0,
   "start_elevation_m": 269.1709392806407,
   "end_elevation_m": 270.42752063009425,
   "min_gradient_pct": -2.7452373001676733
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.82305519514682,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 329.0,
   "end_distance_m": 339.0,
   "start_elevation_m": 267.94521511057957,
   "end_elevation_m": 270.42752063009425,
   "min_gradient_pct": -2.6095220820644727
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.141362197808576,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 322.0,
   "end_distance_m": 342.0,
   "start_elevation_m": 266.282932708858,
   "end_elevation_m": 271.11120514841974,
   "min_gradient_pct": -2.2462285850434682
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.973822417497786,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 321.0,
   "end_distance_m": 346.0,
   "start_elevation_m": 266.0541131985208,
   "end_elevation_m": 272.0475688028952,
   "min_gradient_pct": -2.2056764722206026
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.866828469538518,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 318.0,
   "end_distance_m": 368.0,
   "start_elevation_m": 265.39697473472654,
   "end_elevation_m": 276.8303889694958,
   "min_gradient_pct": -1.9353803262428073
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.949882977610628,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 280.0,
   "end_distance_m": 380.0,
   "start_elevation_m": 257.548014085026,
   "end_elevation_m": 279.49789706263664,
   "min_gradient_pct": -0.8866912703302319
  }
 ],
 "shape": {
  "ascent_concentration": 0.458,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 179.0,
  "shape_class": "stepped"
 },
 "length_m": 837.8489445164216,
 "start_elevation_m": 230.8876570239249,
 "end_elevation_m": 309.2644560742216,
 "endpoint_gain_m": 78.37679905029668,
 "overall_gradient_pct": 9.354526202277805,
 "accumulated_ascent_m": 79.67296182138122,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.13162698907081,
   "start_distance_m": 334.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 336.5,
   "start_elevation_m": 269.1709392806407,
   "end_elevation_m": 270.42752063009425,
   "start_xy": [
    589831.705552331,
    4451092.468773044
   ],
   "end_xy": [
    589830.366994934,
    4451087.651277418
   ]
  },
  "max_10m": {
   "gradient_pct": 24.82305519514682,
   "start_distance_m": 329.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 334.0,
   "start_elevation_m": 267.94521511057957,
   "end_elevation_m": 270.42752063009425,
   "start_xy": [
    589833.044109728,
    4451097.286268668
   ],
   "end_xy": [
    589830.366994934,
    4451087.651277418
   ]
  },
  "max_20m": {
   "gradient_pct": 24.141362197808576,
   "start_distance_m": 322.0,
   "end_distance_m": 342.0,
   "midpoint_distance_m": 332.0,
   "start_elevation_m": 266.282932708858,
   "end_elevation_m": 271.11120514841974,
   "start_xy": [
    589834.9180900836,
    4451104.030762543
   ],
   "end_xy": [
    589829.5638604959,
    4451084.760780044
   ]
  },
  "max_25m": {
   "gradient_pct": 23.973822417497786,
   "start_distance_m": 321.0,
   "end_distance_m": 346.0,
   "midpoint_distance_m": 333.5,
   "start_elevation_m": 266.0541131985208,
   "end_elevation_m": 272.0475688028952,
   "start_xy": [
    589835.1858015631,
    4451104.994261668
   ],
   "end_xy": [
    589828.4930145784,
    4451080.9067835435
   ]
  },
  "max_50m": {
   "gradient_pct": 22.866828469538518,
   "start_distance_m": 318.0,
   "end_distance_m": 368.0,
   "midpoint_distance_m": 343.0,
   "start_elevation_m": 265.39697473472654,
   "end_elevation_m": 276.8303889694958,
   "start_xy": [
    589835.9889360012,
    4451107.884759042
   ],
   "end_xy": [
    589822.3876666175,
    4451059.771404655
   ]
  },
  "max_100m": {
   "gradient_pct": 21.949882977610628,
   "start_distance_m": 280.0,
   "end_distance_m": 380.0,
   "midpoint_distance_m": 330.0,
   "start_elevation_m": 257.548014085026,
   "end_elevation_m": 279.49789706263664,
   "start_xy": [
    589845.8179245628,
    4451144.590910897
   ],
   "end_xy": [
    589819.0095795109,
    4451048.2566954745
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.7452373001676733,
   "start_distance_m": 660.0,
   "end_distance_m": 665.0,
   "midpoint_distance_m": 662.5,
   "start_elevation_m": 299.5396164980668,
   "end_elevation_m": 299.4023546330584,
   "start_xy": [
    589745.549616663,
    4450778.311029707
   ],
   "end_xy": [
    589744.2113399053,
    4450773.493857902
   ]
  },
  "min_10m": {
   "gradient_pct": -2.6095220820644727,
   "start_distance_m": 654.0,
   "end_distance_m": 664.0,
   "midpoint_distance_m": 659.0,
   "start_elevation_m": 299.67624549289803,
   "end_elevation_m": 299.4152932846916,
   "start_xy": [
    589747.2745609835,
    4450784.057730246
   ],
   "end_xy": [
    589744.4717748059,
    4450774.459349311
   ]
  },
  "min_20m": {
   "gradient_pct": -2.2462285850434682,
   "start_distance_m": 649.0,
   "end_distance_m": 669.0,
   "midpoint_distance_m": 659.0,
   "start_elevation_m": 299.7835120999289,
   "end_elevation_m": 299.3342663829202,
   "start_xy": [
    589748.712014584,
    4450788.846647362
   ],
   "end_xy": [
    589743.1696003027,
    4450769.631892262
   ]
  },
  "min_25m": {
   "gradient_pct": -2.2056764722206026,
   "start_distance_m": 653.0,
   "end_distance_m": 678.0,
   "midpoint_distance_m": 665.5,
   "start_elevation_m": 299.69861519480105,
   "end_elevation_m": 299.1471960767459,
   "start_xy": [
    589747.5620517037,
    4450785.01551367
   ],
   "end_xy": [
    589740.8256861971,
    4450760.942469573
   ]
  },
  "min_50m": {
   "gradient_pct": -1.9353803262428073,
   "start_distance_m": 640.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 665.0,
   "start_elevation_m": 299.88207557338325,
   "end_elevation_m": 298.91438541026184,
   "start_xy": [
    589751.2994310647,
    4450797.466698172
   ],
   "end_xy": [
    589737.7004673895,
    4450749.356572654
   ]
  },
  "min_100m": {
   "gradient_pct": -0.8866912703302319,
   "start_distance_m": 615.0,
   "end_distance_m": 715.0,
   "midpoint_distance_m": 665.0,
   "start_elevation_m": 299.83413387829023,
   "end_elevation_m": 298.94744260796,
   "start_xy": [
    589758.4470611946,
    4450821.422740809
   ],
   "end_xy": [
    589731.0660985812,
    4450725.25388097
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.402839588143934,
   "start_distance_m": 337.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 338.0,
   "start_elevation_m": 269.89946383833137,
   "end_elevation_m": 270.42752063009425,
   "start_xy": [
    589830.9024178928,
    4451089.578275668
   ],
   "end_xy": [
    589830.366994934,
    4451087.651277418
   ]
  },
  "max_3m": {
   "gradient_pct": 25.422085471620903,
   "start_distance_m": 332.0,
   "end_distance_m": 335.0,
   "midpoint_distance_m": 333.5,
   "start_elevation_m": 268.6680257120929,
   "end_elevation_m": 269.43068827624154,
   "start_xy": [
    589832.2409752898,
    4451094.395771293
   ],
   "end_xy": [
    589831.4378408516,
    4451091.505273919
   ]
  }
 },
 "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_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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x58y446_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T13:19:48+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": [
   "x58y446"
  ],
  "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": "New Eagle",
  "county": "Pennsylvania"
 }
}