{
 "ocl_version": "0.1.0",
 "name": "Woodland Road",
 "slug": "woodland-road-2-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.056791730330417,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 655.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 140.88308922335776,
   "end_elevation_m": 141.34422505796437,
   "min_gradient_pct": -1.9324424143889019
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.70084309695714,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 654.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 140.66319976505565,
   "end_elevation_m": 141.34422505796437,
   "min_gradient_pct": -1.7309155160200855
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.645293180312933,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 652.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 140.21196039894872,
   "end_elevation_m": 141.34422505796437,
   "min_gradient_pct": -0.9742411037234433
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.039707629459144,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 652.0,
   "end_distance_m": 662.0,
   "start_elevation_m": 140.21196039894872,
   "end_elevation_m": 142.41593116189463,
   "min_gradient_pct": 0.7011595536127402
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.41823017830248,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 643.0,
   "end_distance_m": 663.0,
   "start_elevation_m": 138.33999323762833,
   "end_elevation_m": 142.62363927328883,
   "min_gradient_pct": 1.5575315358560715
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.15243436168248,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 642.0,
   "end_distance_m": 667.0,
   "start_elevation_m": 138.13523225138076,
   "end_elevation_m": 143.42334084180138,
   "min_gradient_pct": 1.756516575765943
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.682558331825533,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 636.0,
   "end_distance_m": 686.0,
   "start_elevation_m": 136.94945518160768,
   "end_elevation_m": 146.79073434752044,
   "min_gradient_pct": 2.6637030837092652
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.907743944791351,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 602.0,
   "end_distance_m": 702.0,
   "start_elevation_m": 133.4345537426848,
   "end_elevation_m": 149.34229768747616,
   "min_gradient_pct": 3.193540775011101
  }
 ],
 "shape": {
  "ascent_concentration": 0.41,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 84.0,
  "shape_class": "sustained"
 },
 "length_m": 734.4599267487934,
 "start_elevation_m": 87.16480131043939,
 "end_elevation_m": 152.17547121095498,
 "endpoint_gain_m": 65.0106699005156,
 "overall_gradient_pct": 8.851493122068065,
 "accumulated_ascent_m": 65.09325933051336,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.645293180312933,
   "start_distance_m": 652.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 654.5,
   "start_elevation_m": 140.21196039894872,
   "end_elevation_m": 141.34422505796437,
   "start_xy": [
    608751.7060458667,
    4565101.063266303
   ],
   "end_xy": [
    608756.6432885587,
    4565100.273560915
   ]
  },
  "max_10m": {
   "gradient_pct": 22.039707629459144,
   "start_distance_m": 652.0,
   "end_distance_m": 662.0,
   "midpoint_distance_m": 657.0,
   "start_elevation_m": 140.21196039894872,
   "end_elevation_m": 142.41593116189463,
   "start_xy": [
    608751.7060458667,
    4565101.063266303
   ],
   "end_xy": [
    608761.5805312508,
    4565099.483855528
   ]
  },
  "max_20m": {
   "gradient_pct": 21.41823017830248,
   "start_distance_m": 643.0,
   "end_distance_m": 663.0,
   "midpoint_distance_m": 653.0,
   "start_elevation_m": 138.33999323762833,
   "end_elevation_m": 142.62363927328883,
   "start_xy": [
    608742.7681215272,
    4565102.077070811
   ],
   "end_xy": [
    608762.5679797892,
    4565099.32591445
   ]
  },
  "max_25m": {
   "gradient_pct": 21.15243436168248,
   "start_distance_m": 642.0,
   "end_distance_m": 667.0,
   "midpoint_distance_m": 654.5,
   "start_elevation_m": 138.13523225138076,
   "end_elevation_m": 143.42334084180138,
   "start_xy": [
    608741.7721475632,
    4565102.166713786
   ],
   "end_xy": [
    608766.4992248297,
    4565098.611822523
   ]
  },
  "max_50m": {
   "gradient_pct": 19.682558331825533,
   "start_distance_m": 636.0,
   "end_distance_m": 686.0,
   "midpoint_distance_m": 661.0,
   "start_elevation_m": 136.94945518160768,
   "end_elevation_m": 146.79073434752044,
   "start_xy": [
    608735.7963037792,
    4565102.704571639
   ],
   "end_xy": [
    608784.5763686963,
    4565092.8143892065
   ]
  },
  "max_100m": {
   "gradient_pct": 15.907743944791351,
   "start_distance_m": 602.0,
   "end_distance_m": 702.0,
   "midpoint_distance_m": 652.0,
   "start_elevation_m": 133.4345537426848,
   "end_elevation_m": 149.34229768747616,
   "start_xy": [
    608733.4969698588,
    4565124.31361849
   ],
   "end_xy": [
    608799.2008774474,
    4565086.409702278
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.9742411037234433,
   "start_distance_m": 81.0,
   "end_distance_m": 86.0,
   "midpoint_distance_m": 83.5,
   "start_elevation_m": 90.12935981922729,
   "end_elevation_m": 90.08064776404112,
   "start_xy": [
    608306.2776429924,
    4565209.8067517495
   ],
   "end_xy": [
    608310.0688789465,
    4565206.546915873
   ]
  },
  "min_10m": {
   "gradient_pct": 0.7011595536127402,
   "start_distance_m": 80.0,
   "end_distance_m": 90.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 90.11175854031869,
   "end_elevation_m": 90.18187449567996,
   "start_xy": [
    608305.5193958016,
    4565210.458718925
   ],
   "end_xy": [
    608313.1018677098,
    4565203.939047172
   ]
  },
  "min_20m": {
   "gradient_pct": 1.5575315358560715,
   "start_distance_m": 80.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 90.0,
   "start_elevation_m": 90.11175854031869,
   "end_elevation_m": 90.4232648474899,
   "start_xy": [
    608305.5193958016,
    4565210.458718925
   ],
   "end_xy": [
    608320.684339618,
    4565197.419375419
   ]
  },
  "min_25m": {
   "gradient_pct": 1.756516575765943,
   "start_distance_m": 79.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 91.5,
   "start_elevation_m": 90.08063970717123,
   "end_elevation_m": 90.51976885111272,
   "start_xy": [
    608304.8315391138,
    4565211.114173309
   ],
   "end_xy": [
    608323.7173283813,
    4565194.811506718
   ]
  },
  "min_50m": {
   "gradient_pct": 2.6637030837092652,
   "start_distance_m": 68.0,
   "end_distance_m": 118.0,
   "midpoint_distance_m": 93.0,
   "start_elevation_m": 89.60798643674283,
   "end_elevation_m": 90.93983797859747,
   "start_xy": [
    608312.4225779714,
    4565219.075085886
   ],
   "end_xy": [
    608334.3327890526,
    4565185.683966264
   ]
  },
  "min_100m": {
   "gradient_pct": 3.193540775011101,
   "start_distance_m": 13.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 63.0,
   "start_elevation_m": 87.57723387085224,
   "end_elevation_m": 90.77077464586334,
   "start_xy": [
    608350.3777722593,
    4565258.879648772
   ],
   "end_xy": [
    608330.5415530986,
    4565188.943802141
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.056791730330417,
   "start_distance_m": 655.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 656.0,
   "start_elevation_m": 140.88308922335776,
   "end_elevation_m": 141.34422505796437,
   "start_xy": [
    608754.668391482,
    4565100.589443071
   ],
   "end_xy": [
    608756.6432885587,
    4565100.273560915
   ]
  },
  "max_3m": {
   "gradient_pct": 22.70084309695714,
   "start_distance_m": 654.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 655.5,
   "start_elevation_m": 140.66319976505565,
   "end_elevation_m": 141.34422505796437,
   "start_xy": [
    608753.6809429436,
    4565100.747384149
   ],
   "end_xy": [
    608756.6432885587,
    4565100.273560915
   ]
  }
 },
 "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": 0.285,
   "obstruction_max_height_m": 26.87,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_1M_18_x60y457_NY_FEMAR2_Central_2018_D19.tif"
  ],
  "calculated_at": "2026-09-06T11:35:32+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/new-york-2026-09-06-batch-band3.osm.pbf",
  "osm_snapshot": "",
  "run_id": "ny-run3-260906",
  "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, NY_FEMAR2_Central_2018_D19 (collected 2018)",
  "elevation_tile_ids": [
   "x60y457"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_FEMAR2_Central_B1_2018",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Bedford",
  "county": "New York"
 }
}