{
 "ocl_version": "0.1.0",
 "name": "Kreiger Road",
 "slug": "kreiger-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.89833007496145,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 304.0,
   "end_distance_m": 306.0,
   "start_elevation_m": 112.61530116814446,
   "end_elevation_m": 113.11326776964368,
   "min_gradient_pct": -0.5141934451579289
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.81147699085157,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 304.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 112.61530116814446,
   "end_elevation_m": 113.32964547787,
   "min_gradient_pct": -0.2384518818459469
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.24492766038958,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 304.0,
   "end_distance_m": 309.0,
   "start_elevation_m": 112.61530116814446,
   "end_elevation_m": 113.77754755116393,
   "min_gradient_pct": 0.03971344379806396
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.842313314690784,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 301.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 112.01277924540399,
   "end_elevation_m": 114.19701057687307,
   "min_gradient_pct": 0.46584183950315605
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.431372591330543,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 295.0,
   "end_distance_m": 315.0,
   "start_elevation_m": 110.8216653337759,
   "end_elevation_m": 114.907939852042,
   "min_gradient_pct": 0.9024758323059956
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.172824585454237,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 296.0,
   "end_distance_m": 321.0,
   "start_elevation_m": 110.99077141964119,
   "end_elevation_m": 116.03397756600475,
   "min_gradient_pct": 1.348740560260353
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.793105853808385,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 288.0,
   "end_distance_m": 338.0,
   "start_elevation_m": 109.59779523093094,
   "end_elevation_m": 118.49434815783513,
   "min_gradient_pct": 4.074047326145205
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.04900209180255,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 238.0,
   "end_distance_m": 338.0,
   "start_elevation_m": 101.44534606603258,
   "end_elevation_m": 118.49434815783513,
   "min_gradient_pct": 6.030912513238136
  }
 ],
 "shape": {
  "ascent_concentration": 0.404,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 119.0,
  "shape_class": "sustained"
 },
 "length_m": 338.85044964220947,
 "start_elevation_m": 81.3918627563149,
 "end_elevation_m": 118.64506453217011,
 "endpoint_gain_m": 37.25320177585522,
 "overall_gradient_pct": 10.99399508402326,
 "accumulated_ascent_m": 37.2708208936824,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.24492766038958,
   "start_distance_m": 304.0,
   "end_distance_m": 309.0,
   "midpoint_distance_m": 306.5,
   "start_elevation_m": 112.61530116814446,
   "end_elevation_m": 113.77754755116393,
   "start_xy": [
    584218.5689541508,
    4576533.685404276
   ],
   "end_xy": [
    584215.1596275063,
    4576537.342792938
   ]
  },
  "max_10m": {
   "gradient_pct": 21.842313314690784,
   "start_distance_m": 301.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 306.0,
   "start_elevation_m": 112.01277924540399,
   "end_elevation_m": 114.19701057687307,
   "start_xy": [
    584220.6145501375,
    4576531.490971078
   ],
   "end_xy": [
    584213.7958968485,
    4576538.805748404
   ]
  },
  "max_20m": {
   "gradient_pct": 20.431372591330543,
   "start_distance_m": 295.0,
   "end_distance_m": 315.0,
   "midpoint_distance_m": 305.0,
   "start_elevation_m": 110.8216653337759,
   "end_elevation_m": 114.907939852042,
   "start_xy": [
    584224.5277991368,
    4576526.9466804275
   ],
   "end_xy": [
    584211.068435533,
    4576541.731659334
   ]
  },
  "max_25m": {
   "gradient_pct": 20.172824585454237,
   "start_distance_m": 296.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 308.5,
   "start_elevation_m": 110.99077141964119,
   "end_elevation_m": 116.03397756600475,
   "start_xy": [
    584223.8946670257,
    4576527.720724179
   ],
   "end_xy": [
    584206.4876529026,
    4576545.580191432
   ]
  },
  "max_50m": {
   "gradient_pct": 17.793105853808385,
   "start_distance_m": 288.0,
   "end_distance_m": 338.0,
   "midpoint_distance_m": 313.0,
   "start_elevation_m": 109.59779523093094,
   "end_elevation_m": 118.49434815783513,
   "start_xy": [
    584228.9597239145,
    4576521.528374164
   ],
   "end_xy": [
    584191.4265321466,
    4576551.777922947
   ]
  },
  "max_100m": {
   "gradient_pct": 17.04900209180255,
   "start_distance_m": 238.0,
   "end_distance_m": 338.0,
   "midpoint_distance_m": 288.0,
   "start_elevation_m": 101.44534606603258,
   "end_elevation_m": 118.49434815783513,
   "start_xy": [
    584262.0150949261,
    4576484.09957969
   ],
   "end_xy": [
    584191.4265321466,
    4576551.777922947
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.03971344379806396,
   "start_distance_m": 104.0,
   "end_distance_m": 109.0,
   "midpoint_distance_m": 106.5,
   "start_elevation_m": 88.28038828777713,
   "end_elevation_m": 88.28237395996703,
   "start_xy": [
    584275.5209884593,
    4576593.429568655
   ],
   "end_xy": [
    584273.4660708695,
    4576588.890167177
   ]
  },
  "min_10m": {
   "gradient_pct": 0.46584183950315605,
   "start_distance_m": 98.0,
   "end_distance_m": 108.0,
   "midpoint_distance_m": 103.0,
   "start_elevation_m": 88.2363710823593,
   "end_elevation_m": 88.28295526630961,
   "start_xy": [
    584278.2558579996,
    4576598.770026369
   ],
   "end_xy": [
    584273.7451463133,
    4576589.850436356
   ]
  },
  "min_20m": {
   "gradient_pct": 0.9024758323059956,
   "start_distance_m": 93.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 103.0,
   "start_elevation_m": 88.18500008413427,
   "end_elevation_m": 88.36549525059547,
   "start_xy": [
    584280.5349159496,
    4576603.220407798
   ],
   "end_xy": [
    584272.3497690938,
    4576585.04909046
   ]
  },
  "min_25m": {
   "gradient_pct": 1.348740560260353,
   "start_distance_m": 89.0,
   "end_distance_m": 114.0,
   "midpoint_distance_m": 101.5,
   "start_elevation_m": 88.05691368230865,
   "end_elevation_m": 88.39409882237373,
   "start_xy": [
    584282.3581623097,
    4576606.780712941
   ],
   "end_xy": [
    584272.0706936498,
    4576584.088821281
   ]
  },
  "min_50m": {
   "gradient_pct": 4.074047326145205,
   "start_distance_m": 73.0,
   "end_distance_m": 123.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 87.0148183033436,
   "end_elevation_m": 89.0518419664162,
   "start_xy": [
    584293.4810804271,
    4576609.016838682
   ],
   "end_xy": [
    584270.6660364673,
    4576575.251808307
   ]
  },
  "min_100m": {
   "gradient_pct": 6.030912513238136,
   "start_distance_m": 17.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 67.0,
   "start_elevation_m": 82.51471670766004,
   "end_elevation_m": 88.54562922089818,
   "start_xy": [
    584342.5600056552,
    4576582.129601537
   ],
   "end_xy": [
    584271.2334673181,
    4576581.208013743
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.89833007496145,
   "start_distance_m": 304.0,
   "end_distance_m": 306.0,
   "midpoint_distance_m": 305.0,
   "start_elevation_m": 112.61530116814446,
   "end_elevation_m": 113.11326776964368,
   "start_xy": [
    584218.5689541508,
    4576533.685404276
   ],
   "end_xy": [
    584217.205223493,
    4576535.148359741
   ]
  },
  "max_3m": {
   "gradient_pct": 23.81147699085157,
   "start_distance_m": 304.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 305.5,
   "start_elevation_m": 112.61530116814446,
   "end_elevation_m": 113.32964547787,
   "start_xy": [
    584218.5689541508,
    4576533.685404276
   ],
   "end_xy": [
    584216.5233581641,
    4576535.879837474
   ]
  }
 },
 "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": 0.106,
   "obstruction_max_height_m": 17.34,
   "flagged_windows_m": [
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "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_x58y458_NY_SouthEast4County_A22.tif"
  ],
  "calculated_at": "2026-09-06T13:01:31+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_SouthEast4County_A22 (collected 2022)",
  "elevation_tile_ids": [
   "x58y458"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_SE4County_1_A22",
   "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": "Highlands",
  "county": "New York"
 }
}