{
 "ocl_version": "0.1.0",
 "name": "Tucker Hill Road",
 "slug": "tucker-hill-road-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.832940809675733,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 353.0,
   "end_distance_m": 355.0,
   "start_elevation_m": 304.5196702336959,
   "end_elevation_m": 305.0963290498894,
   "min_gradient_pct": -7.334439200397469
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.107309491285076,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 352.0,
   "end_distance_m": 355.0,
   "start_elevation_m": 304.25310976515084,
   "end_elevation_m": 305.0963290498894,
   "min_gradient_pct": -7.117041517288196
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.997642322296542,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 352.0,
   "end_distance_m": 357.0,
   "start_elevation_m": 304.25310976515084,
   "end_elevation_m": 305.60299188126567,
   "min_gradient_pct": -7.081147653000244
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.985513096218597,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 346.0,
   "end_distance_m": 356.0,
   "start_elevation_m": 302.82926447418674,
   "end_elevation_m": 305.3278157838086,
   "min_gradient_pct": -6.982440464981892
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.79464182810068,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 365.0,
   "start_elevation_m": 302.6058538860743,
   "end_elevation_m": 307.36478225169446,
   "min_gradient_pct": -6.847827587614574
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.213057085581568,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 302.6058538860743,
   "end_elevation_m": 308.4091181574697,
   "min_gradient_pct": -6.7518177281035605
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.103714490877792,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 339.0,
   "end_distance_m": 389.0,
   "start_elevation_m": 301.4868505655902,
   "end_elevation_m": 312.0387078110291,
   "min_gradient_pct": -5.970645745413776
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.980865262669226,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 297.0,
   "end_distance_m": 397.0,
   "start_elevation_m": 294.3727885290671,
   "end_elevation_m": 313.35365379173635,
   "min_gradient_pct": -3.646920740462633
  }
 ],
 "shape": {
  "ascent_concentration": 0.507,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 317.0,
  "shape_class": "stepped"
 },
 "length_m": 2305.549905062126,
 "start_elevation_m": 264.3907832023011,
 "end_elevation_m": 430.40119218957517,
 "endpoint_gain_m": 166.01040898727405,
 "overall_gradient_pct": 7.200469121174833,
 "accumulated_ascent_m": 171.17657098942834,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.997642322296542,
   "start_distance_m": 352.0,
   "end_distance_m": 357.0,
   "midpoint_distance_m": 354.5,
   "start_elevation_m": 304.25310976515084,
   "end_elevation_m": 305.60299188126567,
   "start_xy": [
    384575.25268439413,
    4721243.723029629
   ],
   "end_xy": [
    384570.3344916962,
    4721244.623796295
   ]
  },
  "max_10m": {
   "gradient_pct": 24.985513096218597,
   "start_distance_m": 346.0,
   "end_distance_m": 356.0,
   "midpoint_distance_m": 351.0,
   "start_elevation_m": 302.82926447418674,
   "end_elevation_m": 305.3278157838086,
   "start_xy": [
    384581.15451563156,
    4721242.64210963
   ],
   "end_xy": [
    384571.31813023577,
    4721244.443642962
   ]
  },
  "max_20m": {
   "gradient_pct": 23.79464182810068,
   "start_distance_m": 345.0,
   "end_distance_m": 365.0,
   "midpoint_distance_m": 355.0,
   "start_elevation_m": 302.6058538860743,
   "end_elevation_m": 307.36478225169446,
   "start_xy": [
    384582.1381541712,
    4721242.461956297
   ],
   "end_xy": [
    384562.4653833796,
    4721246.06502296
   ]
  },
  "max_25m": {
   "gradient_pct": 23.213057085581568,
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 357.5,
   "start_elevation_m": 302.6058538860743,
   "end_elevation_m": 308.4091181574697,
   "start_xy": [
    384582.1381541712,
    4721242.461956297
   ],
   "end_xy": [
    384557.5471906817,
    4721246.965789626
   ]
  },
  "max_50m": {
   "gradient_pct": 21.103714490877792,
   "start_distance_m": 339.0,
   "end_distance_m": 389.0,
   "midpoint_distance_m": 364.0,
   "start_elevation_m": 301.4868505655902,
   "end_elevation_m": 312.0387078110291,
   "start_xy": [
    384588.08006138064,
    4721242.00643717
   ],
   "end_xy": [
    384538.5895883354,
    4721246.958896229
   ]
  },
  "max_100m": {
   "gradient_pct": 18.980865262669226,
   "start_distance_m": 297.0,
   "end_distance_m": 397.0,
   "midpoint_distance_m": 347.0,
   "start_elevation_m": 294.3727885290671,
   "end_elevation_m": 313.35365379173635,
   "start_xy": [
    384629.33579881396,
    4721248.589337255
   ],
   "end_xy": [
    384530.60882329696,
    4721246.404469136
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.081147653000244,
   "start_distance_m": 1494.0,
   "end_distance_m": 1499.0,
   "midpoint_distance_m": 1496.5,
   "start_elevation_m": 417.86884683970743,
   "end_elevation_m": 417.5147894570574,
   "start_xy": [
    384223.26074070873,
    4720272.799440479
   ],
   "end_xy": [
    384223.4774279344,
    4720267.804138021
   ]
  },
  "min_10m": {
   "gradient_pct": -6.982440464981892,
   "start_distance_m": 1482.0,
   "end_distance_m": 1492.0,
   "midpoint_distance_m": 1487.0,
   "start_elevation_m": 418.68657336785736,
   "end_elevation_m": 417.9883293213592,
   "start_xy": [
    384222.858765323,
    4720284.792059242
   ],
   "end_xy": [
    384223.1740658185,
    4720274.797561462
   ]
  },
  "min_20m": {
   "gradient_pct": -6.847827587614574,
   "start_distance_m": 1479.0,
   "end_distance_m": 1499.0,
   "midpoint_distance_m": 1489.0,
   "start_elevation_m": 418.88435497458033,
   "end_elevation_m": 417.5147894570574,
   "start_xy": [
    384222.7910775216,
    4720287.791295538
   ],
   "end_xy": [
    384223.4774279344,
    4720267.804138021
   ]
  },
  "min_25m": {
   "gradient_pct": -6.7518177281035605,
   "start_distance_m": 1479.0,
   "end_distance_m": 1504.0,
   "midpoint_distance_m": 1491.5,
   "start_elevation_m": 418.88435497458033,
   "end_elevation_m": 417.19640054255444,
   "start_xy": [
    384222.7910775216,
    4720287.791295538
   ],
   "end_xy": [
    384223.6941151601,
    4720262.808835563
   ]
  },
  "min_50m": {
   "gradient_pct": -5.970645745413776,
   "start_distance_m": 1464.0,
   "end_distance_m": 1514.0,
   "midpoint_distance_m": 1489.0,
   "start_elevation_m": 419.67682117221784,
   "end_elevation_m": 416.69149829951095,
   "start_xy": [
    384222.45263851434,
    4720302.78747702
   ],
   "end_xy": [
    384224.1274896114,
    4720252.818230648
   ]
  },
  "min_100m": {
   "gradient_pct": -3.646920740462633,
   "start_distance_m": 1431.0,
   "end_distance_m": 1531.0,
   "midpoint_distance_m": 1481.0,
   "start_elevation_m": 420.1703509259839,
   "end_elevation_m": 416.52343018552125,
   "start_xy": [
    384221.7080726985,
    4720335.77907628
   ],
   "end_xy": [
    384226.08368544275,
    4720235.947211345
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.832940809675733,
   "start_distance_m": 353.0,
   "end_distance_m": 355.0,
   "midpoint_distance_m": 354.0,
   "start_elevation_m": 304.5196702336959,
   "end_elevation_m": 305.0963290498894,
   "start_xy": [
    384574.2690458545,
    4721243.903182962
   ],
   "end_xy": [
    384572.3017687754,
    4721244.263489628
   ]
  },
  "max_3m": {
   "gradient_pct": 28.107309491285076,
   "start_distance_m": 352.0,
   "end_distance_m": 355.0,
   "midpoint_distance_m": 353.5,
   "start_elevation_m": 304.25310976515084,
   "end_elevation_m": 305.0963290498894,
   "start_xy": [
    384575.25268439413,
    4721243.723029629
   ],
   "end_xy": [
    384572.3017687754,
    4721244.263489628
   ]
  }
 },
 "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_one_meter_x38y472_NY_CayugaOswego_2018.tif",
   "data/cache/usa/ny/USGS_one_meter_x38y473_NY_CayugaOswego_2018.tif"
  ],
  "calculated_at": "2026-09-06T12:38:34+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-band1.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_CayugaOswego_2018 (collected 2018)",
  "elevation_tile_ids": [
   "x38y472",
   "x38y473"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: NY_FingerLakes_1_2020: no corridor points fetched; USGS_LPC_NY_FEMA_R2_Seneca_2012_LAS_2015: no corridor points fetched; NY_FEMAR2_Central_3_2018: no corridor points fetched; NY_FEMAR2_Central_5_2018: no corridor points fetched; NY_FEMAR2_Central_B1_2018: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Locke",
  "county": "New York"
 }
}