{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (42.5239, -76.5597)",
 "slug": "discovered-lane-42-5239-76-5597",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.66608778256108,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 86.0,
   "end_distance_m": 88.0,
   "start_elevation_m": 145.61076998959868,
   "end_elevation_m": 146.1840917452499,
   "min_gradient_pct": 4.7193108693065255
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.875726071262836,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 86.0,
   "end_distance_m": 89.0,
   "start_elevation_m": 145.61076998959868,
   "end_elevation_m": 146.44704177173656,
   "min_gradient_pct": 5.945697159131669
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.12392220076083,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 83.0,
   "end_distance_m": 88.0,
   "start_elevation_m": 144.82789563521186,
   "end_elevation_m": 146.1840917452499,
   "min_gradient_pct": 6.803019045104293
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.312832958950025,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 79.0,
   "end_distance_m": 89.0,
   "start_elevation_m": 143.81575847584156,
   "end_elevation_m": 146.44704177173656,
   "min_gradient_pct": 9.344978745464232
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.473681084982246,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 12.0,
   "end_distance_m": 32.0,
   "start_elevation_m": 130.71027641008394,
   "end_elevation_m": 135.60501262708038,
   "min_gradient_pct": 11.262271089612312
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.08385785302937,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 13.0,
   "end_distance_m": 38.0,
   "start_elevation_m": 130.93281391217627,
   "end_elevation_m": 136.95377837543361,
   "min_gradient_pct": 11.922912830808627
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.3726706511884,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3.0,
   "end_distance_m": 53.0,
   "start_elevation_m": 128.86892602767142,
   "end_elevation_m": 139.55526135326562,
   "min_gradient_pct": 14.075446960527415
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.304687122776016,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "start_elevation_m": 129.40007580918646,
   "end_elevation_m": 149.70476293196248,
   "min_gradient_pct": 14.437454825718733
  }
 ],
 "shape": {
  "ascent_concentration": 0.307,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 194.0,
  "shape_class": "sustained"
 },
 "length_m": 201.28121712761657,
 "start_elevation_m": 128.38935416831836,
 "end_elevation_m": 163.2430461579345,
 "endpoint_gain_m": 34.853691989616124,
 "overall_gradient_pct": 17.315918736480086,
 "accumulated_ascent_m": 34.853691989616124,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.12392220076083,
   "start_distance_m": 83.0,
   "end_distance_m": 88.0,
   "midpoint_distance_m": 85.5,
   "start_elevation_m": 144.82789563521186,
   "end_elevation_m": 146.1840917452499,
   "start_xy": [
    371901.02772175055,
    4709123.622525416
   ],
   "end_xy": [
    371898.20904865995,
    4709119.492745518
   ]
  },
  "max_10m": {
   "gradient_pct": 26.312832958950025,
   "start_distance_m": 79.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 84.0,
   "start_elevation_m": 143.81575847584156,
   "end_elevation_m": 146.44704177173656,
   "start_xy": [
    371903.282660223,
    4709126.926349334
   ],
   "end_xy": [
    371897.6453140418,
    4709118.666789538
   ]
  },
  "max_20m": {
   "gradient_pct": 24.473681084982246,
   "start_distance_m": 12.0,
   "end_distance_m": 32.0,
   "midpoint_distance_m": 22.0,
   "start_elevation_m": 130.71027641008394,
   "end_elevation_m": 135.60501262708038,
   "start_xy": [
    371956.9326853668,
    4709163.446525174
   ],
   "end_xy": [
    371937.70426502166,
    4709158.053036153
   ]
  },
  "max_25m": {
   "gradient_pct": 24.08385785302937,
   "start_distance_m": 13.0,
   "end_distance_m": 38.0,
   "midpoint_distance_m": 25.5,
   "start_elevation_m": 130.93281391217627,
   "end_elevation_m": 136.95377837543361,
   "start_xy": [
    371955.9549924807,
    4709163.236485605
   ],
   "end_xy": [
    371932.28395591624,
    4709155.6273644995
   ]
  },
  "max_50m": {
   "gradient_pct": 21.3726706511884,
   "start_distance_m": 3.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 28.0,
   "start_elevation_m": 128.86892602767142,
   "end_elevation_m": 139.55526135326562,
   "start_xy": [
    371965.7319213417,
    4709165.336881294
   ],
   "end_xy": [
    371920.81016692455,
    4709146.005953697
   ]
  },
  "max_100m": {
   "gradient_pct": 20.304687122776016,
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 129.40007580918646,
   "end_elevation_m": 149.70476293196248,
   "start_xy": [
    371962.7988426834,
    4709164.706762588
   ],
   "end_xy": [
    371890.6951333867,
    4709103.340613949
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 6.803019045104293,
   "start_distance_m": 188.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 190.5,
   "start_elevation_m": 162.11504874511593,
   "end_elevation_m": 162.45519969737114,
   "start_xy": [
    371867.98413337214,
    4709029.0225827275
   ],
   "end_xy": [
    371865.10300839413,
    4709024.9361271905
   ]
  },
  "min_10m": {
   "gradient_pct": 9.344978745464232,
   "start_distance_m": 187.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 192.0,
   "start_elevation_m": 162.00172249679704,
   "end_elevation_m": 162.93622037134347,
   "start_xy": [
    371868.56035836774,
    4709029.839873835
   ],
   "end_xy": [
    371862.79810841166,
    4709021.6669627605
   ]
  },
  "min_20m": {
   "gradient_pct": 11.262271089612312,
   "start_distance_m": 181.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 191.0,
   "start_elevation_m": 160.987730431073,
   "end_elevation_m": 163.24018464899547,
   "start_xy": [
    371872.0177083414,
    4709034.74362048
   ],
   "end_xy": [
    371860.49320842925,
    4709018.3977983305
   ]
  },
  "min_25m": {
   "gradient_pct": 11.922912830808627,
   "start_distance_m": 176.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 188.5,
   "start_elevation_m": 160.2594564412933,
   "end_elevation_m": 163.24018464899547,
   "start_xy": [
    371874.8988333194,
    4709038.830076018
   ],
   "end_xy": [
    371860.49320842925,
    4709018.3977983305
   ]
  },
  "min_50m": {
   "gradient_pct": 14.075446960527415,
   "start_distance_m": 151.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 176.0,
   "start_elevation_m": 156.20246116873176,
   "end_elevation_m": 163.24018464899547,
   "start_xy": [
    371889.3044582096,
    4709059.262353706
   ],
   "end_xy": [
    371860.49320842925,
    4709018.3977983305
   ]
  },
  "min_100m": {
   "gradient_pct": 14.437454825718733,
   "start_distance_m": 101.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 151.0,
   "start_elevation_m": 148.80272982327674,
   "end_elevation_m": 163.24018464899547,
   "start_xy": [
    371892.1610472419,
    4709108.0987248635
   ],
   "end_xy": [
    371860.49320842925,
    4709018.3977983305
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.66608778256108,
   "start_distance_m": 86.0,
   "end_distance_m": 88.0,
   "midpoint_distance_m": 87.0,
   "start_elevation_m": 145.61076998959868,
   "end_elevation_m": 146.1840917452499,
   "start_xy": [
    371899.3365178962,
    4709121.144657477
   ],
   "end_xy": [
    371898.20904865995,
    4709119.492745518
   ]
  },
  "max_3m": {
   "gradient_pct": 27.875726071262836,
   "start_distance_m": 86.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 87.5,
   "start_elevation_m": 145.61076998959868,
   "end_elevation_m": 146.44704177173656,
   "start_xy": [
    371899.3365178962,
    4709121.144657477
   ],
   "end_xy": [
    371897.6453140418,
    4709118.666789538
   ]
  }
 },
 "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": 0.852,
   "obstruction_max_height_m": 28.83,
   "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_x37y471_NY_FingerLakes_2020_A20.tif"
  ],
  "calculated_at": "2026-09-15T06:59:55+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.osm.pbf",
  "osm_snapshot": "2026-09-04T20:21:21Z",
  "run_id": "reline-campaign-260915",
  "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_FingerLakes_2020_A20 (collected 2020)",
  "elevation_tile_ids": [
   "x37y471"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NY_FingerLakes_1_2020",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Ulysses",
  "county": "New York"
 }
}