{
 "ocl_version": "0.1.0",
 "name": "Osceola Road",
 "slug": "osceola-road-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.577172500139,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 643.0,
   "end_distance_m": 645.0,
   "start_elevation_m": 246.87428056236604,
   "end_elevation_m": 247.36582401236882,
   "min_gradient_pct": -4.5767944892503465
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.412221526722533,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 636.0,
   "end_distance_m": 639.0,
   "start_elevation_m": 245.23004919962926,
   "end_elevation_m": 245.96241584543094,
   "min_gradient_pct": -4.2787777163046785
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.706679621458875,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 636.0,
   "end_distance_m": 641.0,
   "start_elevation_m": 245.23004919962926,
   "end_elevation_m": 246.4153831807022,
   "min_gradient_pct": -3.323654018986417
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.533469528243813,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 635.0,
   "end_distance_m": 645.0,
   "start_elevation_m": 245.01247705954444,
   "end_elevation_m": 247.36582401236882,
   "min_gradient_pct": 0.28063264137898614
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.669329889174946,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 627.0,
   "end_distance_m": 647.0,
   "start_elevation_m": 243.3898108162009,
   "end_elevation_m": 247.7236767940359,
   "min_gradient_pct": 2.7052575359840603
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.185446602444586,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 624.0,
   "end_distance_m": 649.0,
   "start_elevation_m": 242.9567060679363,
   "end_elevation_m": 248.00306771854744,
   "min_gradient_pct": 2.755307319894996
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.365034292120072,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 599.0,
   "end_distance_m": 649.0,
   "start_elevation_m": 240.3205505724874,
   "end_elevation_m": 248.00306771854744,
   "min_gradient_pct": 3.0761153752540054
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 11.651048692685576,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 557.0,
   "end_distance_m": 657.0,
   "start_elevation_m": 237.05314030720766,
   "end_elevation_m": 248.70418899989323,
   "min_gradient_pct": 4.304995860509905
  }
 ],
 "shape": {
  "ascent_concentration": 0.317,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 45.0,
  "shape_class": "sustained"
 },
 "length_m": 666.9109014980236,
 "start_elevation_m": 196.21500380364523,
 "end_elevation_m": 248.6759891276214,
 "endpoint_gain_m": 52.46098532397616,
 "overall_gradient_pct": 7.866265974380933,
 "accumulated_ascent_m": 52.72050122584969,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.706679621458875,
   "start_distance_m": 636.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 638.5,
   "start_elevation_m": 245.23004919962926,
   "end_elevation_m": 246.4153831807022,
   "start_xy": [
    612384.6129367641,
    4591048.673370313
   ],
   "end_xy": [
    612388.5699528904,
    4591051.729842687
   ]
  },
  "max_10m": {
   "gradient_pct": 23.533469528243813,
   "start_distance_m": 635.0,
   "end_distance_m": 645.0,
   "midpoint_distance_m": 640.0,
   "start_elevation_m": 245.01247705954444,
   "end_elevation_m": 247.36582401236882,
   "start_xy": [
    612383.8215335389,
    4591048.0620758375
   ],
   "end_xy": [
    612391.7355657914,
    4591054.175020587
   ]
  },
  "max_20m": {
   "gradient_pct": 21.669329889174946,
   "start_distance_m": 627.0,
   "end_distance_m": 647.0,
   "midpoint_distance_m": 637.0,
   "start_elevation_m": 243.3898108162009,
   "end_elevation_m": 247.7236767940359,
   "start_xy": [
    612378.0009468129,
    4591042.577147308
   ],
   "end_xy": [
    612393.3424765044,
    4591055.365373465
   ]
  },
  "max_25m": {
   "gradient_pct": 20.185446602444586,
   "start_distance_m": 624.0,
   "end_distance_m": 649.0,
   "midpoint_distance_m": 636.5,
   "start_elevation_m": 242.9567060679363,
   "end_elevation_m": 248.00306771854744,
   "start_xy": [
    612375.8295518995,
    4591040.507112495
   ],
   "end_xy": [
    612394.9627470379,
    4591056.537859456
   ]
  },
  "max_50m": {
   "gradient_pct": 15.365034292120072,
   "start_distance_m": 599.0,
   "end_distance_m": 649.0,
   "midpoint_distance_m": 624.0,
   "start_elevation_m": 240.3205505724874,
   "end_elevation_m": 248.00306771854744,
   "start_xy": [
    612357.7345942871,
    4591023.25682238
   ],
   "end_xy": [
    612394.9627470379,
    4591056.537859456
   ]
  },
  "max_100m": {
   "gradient_pct": 11.651048692685576,
   "start_distance_m": 557.0,
   "end_distance_m": 657.0,
   "midpoint_distance_m": 607.0,
   "start_elevation_m": 237.05314030720766,
   "end_elevation_m": 248.70418899989323,
   "start_xy": [
    612327.0451924,
    4590994.584496283
   ],
   "end_xy": [
    612401.4438291715,
    4591061.227803418
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.323654018986417,
   "start_distance_m": 505.0,
   "end_distance_m": 510.0,
   "midpoint_distance_m": 507.5,
   "start_elevation_m": 232.95840526041678,
   "end_elevation_m": 232.79222255946746,
   "start_xy": [
    612289.780308043,
    4590958.4513289435
   ],
   "end_xy": [
    612292.7510098756,
    4590962.473135828
   ]
  },
  "min_10m": {
   "gradient_pct": 0.28063264137898614,
   "start_distance_m": 501.0,
   "end_distance_m": 511.0,
   "midpoint_distance_m": 506.0,
   "start_elevation_m": 232.81127815356143,
   "end_elevation_m": 232.83934141769933,
   "start_xy": [
    612288.1766261014,
    4590960.732899308
   ],
   "end_xy": [
    612293.345150242,
    4590963.277497206
   ]
  },
  "min_20m": {
   "gradient_pct": 2.7052575359840603,
   "start_distance_m": 89.0,
   "end_distance_m": 109.0,
   "midpoint_distance_m": 99.0,
   "start_elevation_m": 201.49166356696338,
   "end_elevation_m": 202.0327150741602,
   "start_xy": [
    611940.352704774,
    4590913.58811867
   ],
   "end_xy": [
    611960.2894131022,
    4590915.177980625
   ]
  },
  "min_25m": {
   "gradient_pct": 2.755307319894996,
   "start_distance_m": 94.0,
   "end_distance_m": 119.0,
   "midpoint_distance_m": 106.5,
   "start_elevation_m": 201.60076148741163,
   "end_elevation_m": 202.28958831738538,
   "start_xy": [
    611945.3368818561,
    4590913.985584158
   ],
   "end_xy": [
    611970.2577672662,
    4590915.972911603
   ]
  },
  "min_50m": {
   "gradient_pct": 3.0761153752540054,
   "start_distance_m": 75.0,
   "end_distance_m": 125.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 201.0205066367219,
   "end_elevation_m": 202.5585643243489,
   "start_xy": [
    611926.3970089443,
    4590912.475215301
   ],
   "end_xy": [
    611976.2387797647,
    4590916.44987019
   ]
  },
  "min_100m": {
   "gradient_pct": 4.304995860509905,
   "start_distance_m": 29.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 79.0,
   "start_elevation_m": 198.47860594234743,
   "end_elevation_m": 202.78360180285733,
   "start_xy": [
    611880.5696443156,
    4590908.494082476
   ],
   "end_xy": [
    611980.2261214304,
    4590916.767842581
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.577172500139,
   "start_distance_m": 643.0,
   "end_distance_m": 645.0,
   "midpoint_distance_m": 644.0,
   "start_elevation_m": 246.87428056236604,
   "end_elevation_m": 247.36582401236882,
   "start_xy": [
    612390.1527593409,
    4591052.952431637
   ],
   "end_xy": [
    612391.7355657914,
    4591054.175020587
   ]
  },
  "max_3m": {
   "gradient_pct": 24.412221526722533,
   "start_distance_m": 636.0,
   "end_distance_m": 639.0,
   "midpoint_distance_m": 637.5,
   "start_elevation_m": 245.23004919962926,
   "end_elevation_m": 245.96241584543094,
   "start_xy": [
    612384.6129367641,
    4591048.673370313
   ],
   "end_xy": [
    612386.9871464398,
    4591050.507253737
   ]
  }
 },
 "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": 0.075,
   "obstruction_max_height_m": 22.79,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    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_x61y460_NY_FEMAR2_Central_2018_D19.tif"
  ],
  "calculated_at": "2026-09-06T11:07:24+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": [
   "x61y460"
  ],
  "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": "Kent",
  "county": "New York"
 }
}