{
 "ocl_version": "0.1.0",
 "name": "James Eddy Road",
 "slug": "james-eddy-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.562615783292912,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 311.0,
   "end_distance_m": 313.0,
   "start_elevation_m": 13.830030420980641,
   "end_elevation_m": 14.4412827366465,
   "min_gradient_pct": -8.262560207195158
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.007551563901913,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 311.0,
   "end_distance_m": 314.0,
   "start_elevation_m": 13.830030420980641,
   "end_elevation_m": 14.730256967897699,
   "min_gradient_pct": -6.755651819041357
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.288067177337716,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 309.0,
   "end_distance_m": 314.0,
   "start_elevation_m": 13.365853609030813,
   "end_elevation_m": 14.730256967897699,
   "min_gradient_pct": -4.659938525664664
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.191623227339424,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 304.0,
   "end_distance_m": 314.0,
   "start_elevation_m": 12.211094645163756,
   "end_elevation_m": 14.730256967897699,
   "min_gradient_pct": -1.1491249254612068
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.62288922455051,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 303.0,
   "end_distance_m": 323.0,
   "start_elevation_m": 11.99454452740665,
   "end_elevation_m": 16.51912237231675,
   "min_gradient_pct": -0.6884545261938424
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.444038819781333,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 300.0,
   "end_distance_m": 325.0,
   "start_elevation_m": 11.656257538180759,
   "end_elevation_m": 16.767267243126092,
   "min_gradient_pct": -0.6374790752656097
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.813430026299372,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 302.0,
   "end_distance_m": 352.0,
   "start_elevation_m": 11.84390475657992,
   "end_elevation_m": 20.250619769729607,
   "min_gradient_pct": -0.28794867168892324
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.752986655529671,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 292.0,
   "end_distance_m": 392.0,
   "start_elevation_m": 10.747042744077305,
   "end_elevation_m": 25.500029399606976,
   "min_gradient_pct": 0.35575285970223014
  }
 ],
 "shape": {
  "ascent_concentration": 0.514,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 62.0,
  "shape_class": "stepped"
 },
 "length_m": 490.55906611612284,
 "start_elevation_m": 2.616285333888561,
 "end_elevation_m": 36.32072709054964,
 "endpoint_gain_m": 33.704441756661076,
 "overall_gradient_pct": 6.870618460587725,
 "accumulated_ascent_m": 34.662178484101446,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.288067177337716,
   "start_distance_m": 309.0,
   "end_distance_m": 314.0,
   "midpoint_distance_m": 311.5,
   "start_elevation_m": 13.365853609030813,
   "end_elevation_m": 14.730256967897699,
   "start_xy": [
    438828.78543379786,
    4879107.383166465
   ],
   "end_xy": [
    438833.65995530196,
    4879108.496285208
   ]
  },
  "max_10m": {
   "gradient_pct": 25.191623227339424,
   "start_distance_m": 304.0,
   "end_distance_m": 314.0,
   "midpoint_distance_m": 309.0,
   "start_elevation_m": 12.211094645163756,
   "end_elevation_m": 14.730256967897699,
   "start_xy": [
    438823.9108627695,
    4879106.2702641385
   ],
   "end_xy": [
    438833.65995530196,
    4879108.496285208
   ]
  },
  "max_20m": {
   "gradient_pct": 22.62288922455051,
   "start_distance_m": 303.0,
   "end_distance_m": 323.0,
   "midpoint_distance_m": 313.0,
   "start_elevation_m": 11.99454452740665,
   "end_elevation_m": 16.51912237231675,
   "start_xy": [
    438822.9360233172,
    4879106.047356103
   ],
   "end_xy": [
    438842.4342553572,
    4879110.4991929615
   ]
  },
  "max_25m": {
   "gradient_pct": 20.444038819781333,
   "start_distance_m": 300.0,
   "end_distance_m": 325.0,
   "midpoint_distance_m": 312.5,
   "start_elevation_m": 11.656257538180759,
   "end_elevation_m": 16.767267243126092,
   "start_xy": [
    438820.01137354405,
    4879105.379207487
   ],
   "end_xy": [
    438844.38408016734,
    4879110.944369105
   ]
  },
  "max_50m": {
   "gradient_pct": 16.813430026299372,
   "start_distance_m": 302.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 327.0,
   "start_elevation_m": 11.84390475657992,
   "end_elevation_m": 20.250619769729607,
   "start_xy": [
    438821.96119584644,
    4879105.8243955625
   ],
   "end_xy": [
    438870.88121669,
    4879108.601057515
   ]
  },
  "max_100m": {
   "gradient_pct": 14.752986655529671,
   "start_distance_m": 292.0,
   "end_distance_m": 392.0,
   "midpoint_distance_m": 342.0,
   "start_elevation_m": 10.747042744077305,
   "end_elevation_m": 25.500029399606976,
   "start_xy": [
    438812.04007647233,
    4879105.649916939
   ],
   "end_xy": [
    438906.6301002151,
    4879093.0220998395
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.659938525664664,
   "start_distance_m": 142.0,
   "end_distance_m": 147.0,
   "midpoint_distance_m": 144.5,
   "start_elevation_m": 6.693360975852084,
   "end_elevation_m": 6.460364049568851,
   "start_xy": [
    438669.42579088086,
    4879146.9646682525
   ],
   "end_xy": [
    438674.3895284168,
    4879147.5657557
   ]
  },
  "min_10m": {
   "gradient_pct": -1.1491249254612068,
   "start_distance_m": 25.0,
   "end_distance_m": 35.0,
   "midpoint_distance_m": 30.0,
   "start_elevation_m": 3.5441004525687596,
   "end_elevation_m": 3.429187960022639,
   "start_xy": [
    438561.11194419797,
    4879164.441026481
   ],
   "end_xy": [
    438570.14632578223,
    4879160.153845398
   ]
  },
  "min_20m": {
   "gradient_pct": -0.6884545261938424,
   "start_distance_m": 126.0,
   "end_distance_m": 146.0,
   "midpoint_distance_m": 136.0,
   "start_elevation_m": 6.598522238193994,
   "end_elevation_m": 6.460831332955226,
   "start_xy": [
    438654.66885014385,
    4879140.974417443
   ],
   "end_xy": [
    438673.39676547115,
    4879147.445665178
   ]
  },
  "min_25m": {
   "gradient_pct": -0.6374790752656097,
   "start_distance_m": 122.0,
   "end_distance_m": 147.0,
   "midpoint_distance_m": 134.5,
   "start_elevation_m": 6.619733818385253,
   "end_elevation_m": 6.460364049568851,
   "start_xy": [
    438651.01948050415,
    4879139.33670647
   ],
   "end_xy": [
    438674.3895284168,
    4879147.5657557
   ]
  },
  "min_50m": {
   "gradient_pct": -0.28794867168892324,
   "start_distance_m": 97.0,
   "end_distance_m": 147.0,
   "midpoint_distance_m": 122.0,
   "start_elevation_m": 6.604338385413312,
   "end_elevation_m": 6.460364049568851,
   "start_xy": [
    438626.91465768614,
    4879135.7088416675
   ],
   "end_xy": [
    438674.3895284168,
    4879147.5657557
   ]
  },
  "min_100m": {
   "gradient_pct": 0.35575285970223014,
   "start_distance_m": 87.0,
   "end_distance_m": 187.0,
   "midpoint_distance_m": 137.0,
   "start_elevation_m": 6.537972477751158,
   "end_elevation_m": 6.893725337453388,
   "start_xy": [
    438617.1912951819,
    4879138.044689848
   ],
   "end_xy": [
    438712.51121328917,
    4879137.041010876
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.562615783292912,
   "start_distance_m": 311.0,
   "end_distance_m": 313.0,
   "midpoint_distance_m": 312.0,
   "start_elevation_m": 13.830030420980641,
   "end_elevation_m": 14.4412827366465,
   "start_xy": [
    438830.7353055959,
    4879107.828137274
   ],
   "end_xy": [
    438832.68511582905,
    4879108.273377261
   ]
  },
  "max_3m": {
   "gradient_pct": 30.007551563901913,
   "start_distance_m": 311.0,
   "end_distance_m": 314.0,
   "midpoint_distance_m": 312.5,
   "start_elevation_m": 13.830030420980641,
   "end_elevation_m": 14.730256967897699,
   "start_xy": [
    438830.7353055959,
    4879107.828137274
   ],
   "end_xy": [
    438833.65995530196,
    4879108.496285208
   ]
  }
 },
 "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": 0.331,
   "obstruction_max_height_m": 20.23,
   "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x43y488_ME_SouthCoastal_2020_A20.tif"
  ],
  "calculated_at": "2026-09-03T17:56:40+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/james-eddy-road/james-eddy-road.geojson",
  "run_id": "canopy-all-260903",
  "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, ME_SouthCoastal_2020_A20 (collected 2020)",
  "elevation_tile_ids": [
   "x43y488"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/ME_SouthCoastal_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.html"
 },
 "area": {
  "place": "Dresden",
  "county": "Maine"
 }
}