{
 "ocl_version": "0.1.0",
 "name": "Dunkleman Road",
 "slug": "dunkleman-road",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.288727902378128,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 280.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 410.94105549978315,
   "end_elevation_m": 411.4468300578307,
   "min_gradient_pct": -5.963572778586013
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.476493488883005,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 280.0,
   "end_distance_m": 283.0,
   "start_elevation_m": 410.94105549978315,
   "end_elevation_m": 411.67535030444964,
   "min_gradient_pct": -0.04196313178681521
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.388348081804224,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 277.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 410.2774126537405,
   "end_elevation_m": 411.4468300578307,
   "min_gradient_pct": 0.30258909871008655
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.464661234157575,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 279.0,
   "end_distance_m": 289.0,
   "start_elevation_m": 410.71700267690323,
   "end_elevation_m": 412.963468800319,
   "min_gradient_pct": 0.6721925948784246
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.794693984880098,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 276.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 410.073807813115,
   "end_elevation_m": 414.43274661009104,
   "min_gradient_pct": 1.085143032919973
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.18906285803223,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 271.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 409.135480895583,
   "end_elevation_m": 414.43274661009104,
   "min_gradient_pct": 1.1796345533030035
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.245109508915903,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 257.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 406.64658223117124,
   "end_elevation_m": 416.2691369856292,
   "min_gradient_pct": 1.3154742788699423
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.765503575628884,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 207.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 398.5036334100003,
   "end_elevation_m": 416.2691369856292,
   "min_gradient_pct": 1.898971845846063
  }
 ],
 "shape": {
  "ascent_concentration": 0.341,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 253.0,
  "shape_class": "sustained"
 },
 "length_m": 1491.6749642761552,
 "start_elevation_m": 377.4206324938862,
 "end_elevation_m": 524.7412310512706,
 "endpoint_gain_m": 147.32059855738436,
 "overall_gradient_pct": 9.87618630636954,
 "accumulated_ascent_m": 147.78142067022287,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.388348081804224,
   "start_distance_m": 277.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 279.5,
   "start_elevation_m": 410.2774126537405,
   "end_elevation_m": 411.4468300578307,
   "start_xy": [
    677566.769161757,
    4691099.286867827
   ],
   "end_xy": [
    677561.7702131177,
    4691099.389398322
   ]
  },
  "max_10m": {
   "gradient_pct": 22.464661234157575,
   "start_distance_m": 279.0,
   "end_distance_m": 289.0,
   "midpoint_distance_m": 284.0,
   "start_elevation_m": 410.71700267690323,
   "end_elevation_m": 412.963468800319,
   "start_xy": [
    677564.7695823013,
    4691099.327880025
   ],
   "end_xy": [
    677554.7716850229,
    4691099.532941015
   ]
  },
  "max_20m": {
   "gradient_pct": 21.794693984880098,
   "start_distance_m": 276.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 286.0,
   "start_elevation_m": 410.073807813115,
   "end_elevation_m": 414.43274661009104,
   "start_xy": [
    677567.7689514848,
    4691099.266361728
   ],
   "end_xy": [
    677547.7731569279,
    4691099.676483708
   ]
  },
  "max_25m": {
   "gradient_pct": 21.18906285803223,
   "start_distance_m": 271.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 283.5,
   "start_elevation_m": 409.135480895583,
   "end_elevation_m": 414.43274661009104,
   "start_xy": [
    677572.767900124,
    4691099.163831233
   ],
   "end_xy": [
    677547.7731569279,
    4691099.676483708
   ]
  },
  "max_50m": {
   "gradient_pct": 19.245109508915903,
   "start_distance_m": 257.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 282.0,
   "start_elevation_m": 406.64658223117124,
   "end_elevation_m": 416.2691369856292,
   "start_xy": [
    677586.7649563139,
    4691098.876745847
   ],
   "end_xy": [
    677536.7756298912,
    4691099.788651895
   ]
  },
  "max_100m": {
   "gradient_pct": 17.765503575628884,
   "start_distance_m": 207.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 257.0,
   "start_elevation_m": 398.5036334100003,
   "end_elevation_m": 416.2691369856292,
   "start_xy": [
    677636.7315087382,
    4691097.161453246
   ],
   "end_xy": [
    677536.7756298912,
    4691099.788651895
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.30258909871008655,
   "start_distance_m": 1429.0,
   "end_distance_m": 1434.0,
   "midpoint_distance_m": 1431.5,
   "start_elevation_m": 523.828040520218,
   "end_elevation_m": 523.8431699751535,
   "start_xy": [
    676668.1923165269,
    4691414.250013682
   ],
   "end_xy": [
    676668.0601363041,
    4691419.248266216
   ]
  },
  "min_10m": {
   "gradient_pct": 0.6721925948784246,
   "start_distance_m": 1429.0,
   "end_distance_m": 1439.0,
   "midpoint_distance_m": 1434.0,
   "start_elevation_m": 523.828040520218,
   "end_elevation_m": 523.8952597797058,
   "start_xy": [
    676668.1923165269,
    4691414.250013682
   ],
   "end_xy": [
    676667.9887028298,
    4691424.247483401
   ]
  },
  "min_20m": {
   "gradient_pct": 1.085143032919973,
   "start_distance_m": 1429.0,
   "end_distance_m": 1449.0,
   "midpoint_distance_m": 1439.0,
   "start_elevation_m": 523.828040520218,
   "end_elevation_m": 524.045069126802,
   "start_xy": [
    676668.1923165269,
    4691414.250013682
   ],
   "end_xy": [
    676667.9355234724,
    4691434.247341997
   ]
  },
  "min_25m": {
   "gradient_pct": 1.1796345533030035,
   "start_distance_m": 1428.0,
   "end_distance_m": 1453.0,
   "midpoint_distance_m": 1440.5,
   "start_elevation_m": 523.7985905487814,
   "end_elevation_m": 524.0934991871071,
   "start_xy": [
    676668.2187525715,
    4691413.250363176
   ],
   "end_xy": [
    676667.9142517294,
    4691438.247285436
   ]
  },
  "min_50m": {
   "gradient_pct": 1.3154742788699423,
   "start_distance_m": 1429.0,
   "end_distance_m": 1479.0,
   "midpoint_distance_m": 1454.0,
   "start_elevation_m": 523.828040520218,
   "end_elevation_m": 524.485777659653,
   "start_xy": [
    676668.1923165269,
    4691414.250013682
   ],
   "end_xy": [
    676667.1853974498,
    4691464.226586411
   ]
  },
  "min_100m": {
   "gradient_pct": 1.898971845846063,
   "start_distance_m": 1391.0,
   "end_distance_m": 1491.0,
   "midpoint_distance_m": 1441.0,
   "start_elevation_m": 522.8355025880201,
   "end_elevation_m": 524.7344744338661,
   "start_xy": [
    676669.1968862199,
    4691376.263294428
   ],
   "end_xy": [
    676666.4238355877,
    4691476.202396343
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.288727902378128,
   "start_distance_m": 280.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 281.0,
   "start_elevation_m": 410.94105549978315,
   "end_elevation_m": 411.4468300578307,
   "start_xy": [
    677563.7697925734,
    4691099.348386124
   ],
   "end_xy": [
    677561.7702131177,
    4691099.389398322
   ]
  },
  "max_3m": {
   "gradient_pct": 24.476493488883005,
   "start_distance_m": 280.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 281.5,
   "start_elevation_m": 410.94105549978315,
   "end_elevation_m": 411.67535030444964,
   "start_xy": [
    677563.7697925734,
    4691099.348386124
   ],
   "end_xy": [
    677560.7704233899,
    4691099.409904421
   ]
  }
 },
 "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": 0.084,
   "obstruction_max_height_m": 23.62,
   "flagged_windows_m": []
  },
  "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/ny-west/USGS_one_meter_x67y470_NY_Southwest_East_2017.tif"
  ],
  "calculated_at": "2026-09-06T10:32:16+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": "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_Southwest_East_2017 (collected 2017)",
  "elevation_tile_ids": [
   "x67y470"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/USGS_LPC_NY_Southwest_East_2017_LAS_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": "Otto",
  "county": "New York"
 }
}