{
 "ocl_version": "0.1.0",
 "name": "East Gillman Creek Drive",
 "slug": "east-gillman-creek-drive",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.12484684299227,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 65.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 441.238546625679,
   "end_elevation_m": 442.08104356253887,
   "min_gradient_pct": -22.776237060676863
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 39.839107317099355,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 64.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 440.8858703430259,
   "end_elevation_m": 442.08104356253887,
   "min_gradient_pct": -19.661398586403795
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 33.56335524477572,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 63.0,
   "end_distance_m": 68.0,
   "start_elevation_m": 440.7051844926389,
   "end_elevation_m": 442.3833522548777,
   "min_gradient_pct": -16.395234813868456
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.542944986097837,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 37.0,
   "end_distance_m": 47.0,
   "start_elevation_m": 434.78597624948054,
   "end_elevation_m": 437.7402707480903,
   "min_gradient_pct": -10.326859859392243
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.054508720446904,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 33.0,
   "end_distance_m": 53.0,
   "start_elevation_m": 434.1049647206486,
   "end_elevation_m": 439.11586646473796,
   "min_gradient_pct": 0.25570935555009555
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.595553936615488,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "start_elevation_m": 436.182155078385,
   "end_elevation_m": 442.08104356253887,
   "min_gradient_pct": 0.6964646712081048
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.758780045843423,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 34.0,
   "end_distance_m": 84.0,
   "start_elevation_m": 434.32722619716935,
   "end_elevation_m": 444.20661622009106,
   "min_gradient_pct": 1.9477516461297455
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.035990300876165,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 29.0,
   "end_distance_m": 129.0,
   "start_elevation_m": 433.47517392769305,
   "end_elevation_m": 447.5111642285692,
   "min_gradient_pct": 3.5461533208792275
  }
 ],
 "shape": {
  "ascent_concentration": 0.565,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 50.0,
  "shape_class": "stepped"
 },
 "length_m": 207.82413978229397,
 "start_elevation_m": 432.61629436678083,
 "end_elevation_m": 449.31181451416563,
 "endpoint_gain_m": 16.695520147384798,
 "overall_gradient_pct": 8.033484543650308,
 "accumulated_ascent_m": 18.391328209464007,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 33.56335524477572,
   "start_distance_m": 63.0,
   "end_distance_m": 68.0,
   "midpoint_distance_m": 65.5,
   "start_elevation_m": 440.7051844926389,
   "end_elevation_m": 442.3833522548777,
   "start_xy": [
    432244.02507830394,
    4833089.467926258
   ],
   "end_xy": [
    432239.163027027,
    4833088.301542487
   ]
  },
  "max_10m": {
   "gradient_pct": 29.542944986097837,
   "start_distance_m": 37.0,
   "end_distance_m": 47.0,
   "midpoint_distance_m": 42.0,
   "start_elevation_m": 434.78597624948054,
   "end_elevation_m": 437.7402707480903,
   "start_xy": [
    432269.63549624005,
    4833093.901783074
   ],
   "end_xy": [
    432259.7649641386,
    4833092.297859399
   ]
  },
  "max_20m": {
   "gradient_pct": 25.054508720446904,
   "start_distance_m": 33.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 43.0,
   "start_elevation_m": 434.1049647206486,
   "end_elevation_m": 439.11586646473796,
   "start_xy": [
    432273.58369426976,
    4833094.543443853
   ],
   "end_xy": [
    432253.8425969629,
    4833091.335799504
   ]
  },
  "max_25m": {
   "gradient_pct": 23.595553936615488,
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 436.182155078385,
   "end_elevation_m": 442.08104356253887,
   "start_xy": [
    432264.70024306414,
    4833093.0997417765
   ],
   "end_xy": [
    432240.1354980413,
    4833088.534566334
   ]
  },
  "max_50m": {
   "gradient_pct": 19.758780045843423,
   "start_distance_m": 34.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 59.0,
   "start_elevation_m": 434.32722619716935,
   "end_elevation_m": 444.20661622009106,
   "start_xy": [
    432272.59667982796,
    4833094.382813022
   ],
   "end_xy": [
    432223.4674057265,
    4833085.269831191
   ]
  },
  "max_100m": {
   "gradient_pct": 14.035990300876165,
   "start_distance_m": 29.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 79.0,
   "start_elevation_m": 433.47517392769305,
   "end_elevation_m": 447.5111642285692,
   "start_xy": [
    432277.5588854247,
    4833094.733942791
   ],
   "end_xy": [
    432178.7131857824,
    4833081.226151769
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -16.395234813868456,
   "start_distance_m": 21.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 23.5,
   "start_elevation_m": 434.24541043605126,
   "end_elevation_m": 433.42564869535784,
   "start_xy": [
    432285.5393749893,
    4833094.175574474
   ],
   "end_xy": [
    432280.5515694355,
    4833094.524560822
   ]
  },
  "min_10m": {
   "gradient_pct": -10.326859859392243,
   "start_distance_m": 17.0,
   "end_distance_m": 27.0,
   "midpoint_distance_m": 22.0,
   "start_elevation_m": 434.4247439357074,
   "end_elevation_m": 433.3920579497682,
   "start_xy": [
    432289.5296313312,
    4833093.896556476
   ],
   "end_xy": [
    432279.5540220759,
    4833094.594555566
   ]
  },
  "min_20m": {
   "gradient_pct": 0.25570935555009555,
   "start_distance_m": 187.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 197.0,
   "start_elevation_m": 449.2789075873797,
   "end_elevation_m": 449.3300494584897,
   "start_xy": [
    432121.5039606919,
    4833072.494996258
   ],
   "end_xy": [
    432101.86570873804,
    4833069.130650329
   ]
  },
  "min_25m": {
   "gradient_pct": 0.6964646712081048,
   "start_distance_m": 182.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 194.5,
   "start_elevation_m": 449.1559332906877,
   "end_elevation_m": 449.3300494584897,
   "start_xy": [
    432126.3823584466,
    4833073.591002929
   ],
   "end_xy": [
    432101.86570873804,
    4833069.130650329
   ]
  },
  "min_50m": {
   "gradient_pct": 1.9477516461297455,
   "start_distance_m": 157.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 182.0,
   "start_elevation_m": 448.35617363542485,
   "end_elevation_m": 449.3300494584897,
   "start_xy": [
    432150.8200897469,
    4833078.786521985
   ],
   "end_xy": [
    432101.86570873804,
    4833069.130650329
   ]
  },
  "min_100m": {
   "gradient_pct": 3.5461533208792275,
   "start_distance_m": 107.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 157.0,
   "start_elevation_m": 445.7838961376105,
   "end_elevation_m": 449.3300494584897,
   "start_xy": [
    432200.69435447635,
    4833082.136158693
   ],
   "end_xy": [
    432101.86570873804,
    4833069.130650329
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.12484684299227,
   "start_distance_m": 65.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 66.0,
   "start_elevation_m": 441.238546625679,
   "end_elevation_m": 442.08104356253887,
   "start_xy": [
    432242.08022686397,
    4833089.001501397
   ],
   "end_xy": [
    432240.1354980413,
    4833088.534566334
   ]
  },
  "max_3m": {
   "gradient_pct": 39.839107317099355,
   "start_distance_m": 64.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 65.5,
   "start_elevation_m": 440.8858703430259,
   "end_elevation_m": 442.08104356253887,
   "start_xy": [
    432243.05271184864,
    4833089.234466935
   ],
   "end_xy": [
    432240.1354980413,
    4833088.534566334
   ]
  }
 },
 "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ny/USGS_one_meter_x43y484_NY_CayugaOswego_2018.tif"
  ],
  "calculated_at": "2026-09-08T19:24:21+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.osm.pbf",
  "osm_snapshot": "2026-09-04T20:21:21Z",
  "run_id": "retro-box-260908",
  "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": [
   "x43y484"
  ],
  "route_base_cut_m": 228.6,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: USGS_LPC_NY_FEMA_R2_B1_2016_LAS_2018: no corridor points fetched; NY_FEMAR2_Central_2_2018: no corridor points fetched; NY_HudsonRiverRegion_1_2020: no corridor points fetched; NY_Hudson_1_D22: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Redfield",
  "county": "New York"
 }
}