{
 "ocl_version": "0.1.0",
 "name": "Shaw Road",
 "slug": "shaw-road-4",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.436025916504036,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 101.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 146.92361159314345,
   "end_elevation_m": 147.71233211147353,
   "min_gradient_pct": -4.410475727402741
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.2768773141,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 100.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 146.56402579205053,
   "end_elevation_m": 147.71233211147353,
   "min_gradient_pct": -4.232627314649069
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 36.70068227785805,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 99.0,
   "end_distance_m": 104.0,
   "start_elevation_m": 146.2321161242507,
   "end_elevation_m": 148.0671502381436,
   "min_gradient_pct": -4.013929687096152
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.870346384282755,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 95.0,
   "end_distance_m": 105.0,
   "start_elevation_m": 144.9502979219719,
   "end_elevation_m": 148.33733256040017,
   "min_gradient_pct": -3.416990814995984
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 31.21478338917811,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 94.0,
   "end_distance_m": 114.0,
   "start_elevation_m": 144.69697363598323,
   "end_elevation_m": 150.93993031381885,
   "min_gradient_pct": -2.5961677633620184
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 29.406608811014166,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 89.0,
   "end_distance_m": 114.0,
   "start_elevation_m": 143.5882781110653,
   "end_elevation_m": 150.93993031381885,
   "min_gradient_pct": -2.513025663720555
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.282496050508712,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 65.0,
   "end_distance_m": 115.0,
   "start_elevation_m": 139.46969551851157,
   "end_elevation_m": 151.11094354376593,
   "min_gradient_pct": -1.4056416135323389
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.074912538653905,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 50.0,
   "end_distance_m": 150.0,
   "start_elevation_m": 138.0924461806851,
   "end_elevation_m": 153.167358719339,
   "min_gradient_pct": 0.46426421827598574
  }
 ],
 "shape": {
  "ascent_concentration": 0.434,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 181.0,
  "shape_class": "sustained"
 },
 "length_m": 3304.2164689091505,
 "start_elevation_m": 137.7402364731273,
 "end_elevation_m": 309.4939668998732,
 "endpoint_gain_m": 171.7537304267459,
 "overall_gradient_pct": 5.198016898797446,
 "accumulated_ascent_m": 172.96393026765082,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 36.70068227785805,
   "start_distance_m": 99.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 101.5,
   "start_elevation_m": 146.2321161242507,
   "end_elevation_m": 148.0671502381436,
   "start_xy": [
    346236.3112521232,
    4718399.405733794
   ],
   "end_xy": [
    346241.2943542347,
    4718398.995010839
   ]
  },
  "max_10m": {
   "gradient_pct": 33.870346384282755,
   "start_distance_m": 95.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 144.9502979219719,
   "end_elevation_m": 148.33733256040017,
   "start_xy": [
    346232.32477043394,
    4718399.734312159
   ],
   "end_xy": [
    346242.29097465705,
    4718398.912866248
   ]
  },
  "max_20m": {
   "gradient_pct": 31.21478338917811,
   "start_distance_m": 94.0,
   "end_distance_m": 114.0,
   "midpoint_distance_m": 104.0,
   "start_elevation_m": 144.69697363598323,
   "end_elevation_m": 150.93993031381885,
   "start_xy": [
    346231.32815001166,
    4718399.81645675
   ],
   "end_xy": [
    346251.2605584578,
    4718398.173564929
   ]
  },
  "max_25m": {
   "gradient_pct": 29.406608811014166,
   "start_distance_m": 89.0,
   "end_distance_m": 114.0,
   "midpoint_distance_m": 101.5,
   "start_elevation_m": 143.5882781110653,
   "end_elevation_m": 150.93993031381885,
   "start_xy": [
    346226.3450479001,
    4718400.227179705
   ],
   "end_xy": [
    346251.2605584578,
    4718398.173564929
   ]
  },
  "max_50m": {
   "gradient_pct": 23.282496050508712,
   "start_distance_m": 65.0,
   "end_distance_m": 115.0,
   "midpoint_distance_m": 90.0,
   "start_elevation_m": 139.46969551851157,
   "end_elevation_m": 151.11094354376593,
   "start_xy": [
    346202.7950762019,
    4718403.79575105
   ],
   "end_xy": [
    346252.2571788801,
    4718398.091420338
   ]
  },
  "max_100m": {
   "gradient_pct": 15.074912538653905,
   "start_distance_m": 50.0,
   "end_distance_m": 150.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 138.0924461806851,
   "end_elevation_m": 153.167358719339,
   "start_xy": [
    346190.2273457285,
    4718411.851675192
   ],
   "end_xy": [
    346287.1593179788,
    4718395.675959528
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.013929687096152,
   "start_distance_m": 16.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 18.5,
   "start_elevation_m": 138.01729266823526,
   "end_elevation_m": 137.81659618388045,
   "start_xy": [
    346174.938969504,
    4718441.5121885715
   ],
   "end_xy": [
    346176.2988666967,
    4718436.700673257
   ]
  },
  "min_10m": {
   "gradient_pct": -3.416990814995984,
   "start_distance_m": 13.0,
   "end_distance_m": 23.0,
   "midpoint_distance_m": 18.0,
   "start_elevation_m": 138.09799207193242,
   "end_elevation_m": 137.75629299043283,
   "start_xy": [
    346174.1230311883,
    4718444.399097761
   ],
   "end_xy": [
    346176.8428255738,
    4718434.776067131
   ]
  },
  "min_20m": {
   "gradient_pct": -2.5961677633620184,
   "start_distance_m": 1541.0,
   "end_distance_m": 1561.0,
   "midpoint_distance_m": 1551.0,
   "start_elevation_m": 244.69806816050271,
   "end_elevation_m": 244.1788346078303,
   "start_xy": [
    347625.8655806178,
    4718241.076416347
   ],
   "end_xy": [
    347645.81260622316,
    4718240.769338921
   ]
  },
  "min_25m": {
   "gradient_pct": -2.513025663720555,
   "start_distance_m": 1536.0,
   "end_distance_m": 1561.0,
   "midpoint_distance_m": 1548.5,
   "start_elevation_m": 244.80709102376045,
   "end_elevation_m": 244.1788346078303,
   "start_xy": [
    347620.871967283,
    4718240.823778537
   ],
   "end_xy": [
    347645.81260622316,
    4718240.769338921
   ]
  },
  "min_50m": {
   "gradient_pct": -1.4056416135323389,
   "start_distance_m": 1527.0,
   "end_distance_m": 1577.0,
   "midpoint_distance_m": 1552.0,
   "start_elevation_m": 244.86063100814673,
   "end_elevation_m": 244.15781020138056,
   "start_xy": [
    347611.88501558383,
    4718240.342178832
   ],
   "end_xy": [
    347661.7478134602,
    4718239.33154625
   ]
  },
  "min_100m": {
   "gradient_pct": 0.46426421827598574,
   "start_distance_m": 1519.0,
   "end_distance_m": 1619.0,
   "midpoint_distance_m": 1569.0,
   "start_elevation_m": 244.66894454100634,
   "end_elevation_m": 245.13320875928233,
   "start_xy": [
    347603.8928928011,
    4718239.987251479
   ],
   "end_xy": [
    347703.5905789304,
    4718235.700709184
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.436025916504036,
   "start_distance_m": 101.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 102.0,
   "start_elevation_m": 146.92361159314345,
   "end_elevation_m": 147.71233211147353,
   "start_xy": [
    346238.3044929678,
    4718399.241444612
   ],
   "end_xy": [
    346240.2977338124,
    4718399.07715543
   ]
  },
  "max_3m": {
   "gradient_pct": 38.2768773141,
   "start_distance_m": 100.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 101.5,
   "start_elevation_m": 146.56402579205053,
   "end_elevation_m": 147.71233211147353,
   "start_xy": [
    346237.3078725455,
    4718399.323589203
   ],
   "end_xy": [
    346240.2977338124,
    4718399.07715543
   ]
  }
 },
 "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": 0.135,
   "obstruction_max_height_m": 24.25,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_1M_18_x34y472_NY_FingerLakes_2020_A20.tif"
  ],
  "calculated_at": "2026-09-06T11:24:04+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-band1.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_FingerLakes_2020_A20 (collected 2020)",
  "elevation_tile_ids": [
   "x34y472"
  ],
  "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
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Lodi",
  "county": "New York"
 }
}