{
 "ocl_version": "0.1.0",
 "name": "Dailey Road",
 "slug": "dailey-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.08738860069627,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 284.0,
   "end_distance_m": 286.0,
   "start_elevation_m": 89.28602007389479,
   "end_elevation_m": 90.08776784590872,
   "min_gradient_pct": -9.347726332272543
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 39.10679809182843,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 283.0,
   "end_distance_m": 286.0,
   "start_elevation_m": 88.91456390315386,
   "end_elevation_m": 90.08776784590872,
   "min_gradient_pct": -7.471454081396682
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 37.63392391506926,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 281.0,
   "end_distance_m": 286.0,
   "start_elevation_m": 88.20607165015525,
   "end_elevation_m": 90.08776784590872,
   "min_gradient_pct": -6.762186918424504
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.596136642479024,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 278.0,
   "end_distance_m": 288.0,
   "start_elevation_m": 87.33916564926979,
   "end_elevation_m": 90.69877931351769,
   "min_gradient_pct": -4.400540744008481
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 28.994169356627424,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 271.0,
   "end_distance_m": 291.0,
   "start_elevation_m": 85.68683646734691,
   "end_elevation_m": 91.48567033867239,
   "min_gradient_pct": -1.7919693073617537
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.5889544593457,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 266.0,
   "end_distance_m": 291.0,
   "start_elevation_m": 84.83843172383597,
   "end_elevation_m": 91.48567033867239,
   "min_gradient_pct": -0.2634023777418406
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.30350288352105,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 241.0,
   "end_distance_m": 291.0,
   "start_elevation_m": 82.33391889691187,
   "end_elevation_m": 91.48567033867239,
   "min_gradient_pct": 1.976716338052114
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 11.955639593290073,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 46.0,
   "end_distance_m": 146.0,
   "start_elevation_m": 65.60627210230625,
   "end_elevation_m": 77.56191169559632,
   "min_gradient_pct": 5.103385753452017
  }
 ],
 "shape": {
  "ascent_concentration": 0.367,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 48.0,
  "shape_class": "sustained"
 },
 "length_m": 324.45565314570274,
 "start_elevation_m": 64.90894112740396,
 "end_elevation_m": 91.6315423898997,
 "endpoint_gain_m": 26.722601262495743,
 "overall_gradient_pct": 8.236133660613234,
 "accumulated_ascent_m": 28.546784040195803,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 37.63392391506926,
   "start_distance_m": 281.0,
   "end_distance_m": 286.0,
   "midpoint_distance_m": 283.5,
   "start_elevation_m": 88.20607165015525,
   "end_elevation_m": 90.08776784590872,
   "start_xy": [
    459418.50213285856,
    4899578.0892862035
   ],
   "end_xy": [
    459419.6100652099,
    4899582.964989097
   ]
  },
  "max_10m": {
   "gradient_pct": 33.596136642479024,
   "start_distance_m": 278.0,
   "end_distance_m": 288.0,
   "midpoint_distance_m": 283.0,
   "start_elevation_m": 87.33916564926979,
   "end_elevation_m": 90.69877931351769,
   "start_xy": [
    459417.8370533707,
    4899575.163937101
   ],
   "end_xy": [
    459420.0531345962,
    4899584.915293834
   ]
  },
  "max_20m": {
   "gradient_pct": 28.994169356627424,
   "start_distance_m": 271.0,
   "end_distance_m": 291.0,
   "midpoint_distance_m": 281.0,
   "start_elevation_m": 85.68683646734691,
   "end_elevation_m": 91.48567033867239,
   "start_xy": [
    459416.5792078064,
    4899568.279039118
   ],
   "end_xy": [
    459420.717997609,
    4899587.840692202
   ]
  },
  "max_25m": {
   "gradient_pct": 26.5889544593457,
   "start_distance_m": 266.0,
   "end_distance_m": 291.0,
   "midpoint_distance_m": 278.5,
   "start_elevation_m": 84.83843172383597,
   "end_elevation_m": 91.48567033867239,
   "start_xy": [
    459415.72527816735,
    4899563.352498672
   ],
   "end_xy": [
    459420.717997609,
    4899587.840692202
   ]
  },
  "max_50m": {
   "gradient_pct": 18.30350288352105,
   "start_distance_m": 241.0,
   "end_distance_m": 291.0,
   "midpoint_distance_m": 266.0,
   "start_elevation_m": 82.33391889691187,
   "end_elevation_m": 91.48567033867239,
   "start_xy": [
    459411.75198032625,
    4899538.674678168
   ],
   "end_xy": [
    459420.717997609,
    4899587.840692202
   ]
  },
  "max_100m": {
   "gradient_pct": 11.955639593290073,
   "start_distance_m": 46.0,
   "end_distance_m": 146.0,
   "midpoint_distance_m": 96.0,
   "start_elevation_m": 65.60627210230625,
   "end_elevation_m": 77.56191169559632,
   "start_xy": [
    459326.06425410695,
    4899391.316050543
   ],
   "end_xy": [
    459399.4630064122,
    4899444.472878766
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.762186918424504,
   "start_distance_m": 310.0,
   "end_distance_m": 315.0,
   "midpoint_distance_m": 312.5,
   "start_elevation_m": 92.1684355124996,
   "end_elevation_m": 91.83032616657837,
   "start_xy": [
    459419.80847613915,
    4899606.688639623
   ],
   "end_xy": [
    459419.29848405306,
    4899611.662562424
   ]
  },
  "min_10m": {
   "gradient_pct": -4.400540744008481,
   "start_distance_m": 307.0,
   "end_distance_m": 317.0,
   "midpoint_distance_m": 312.0,
   "start_elevation_m": 92.2304499605658,
   "end_elevation_m": 91.79039588616496,
   "start_xy": [
    459420.11451196915,
    4899603.704290104
   ],
   "end_xy": [
    459419.09452779696,
    4899613.6521357065
   ]
  },
  "min_20m": {
   "gradient_pct": -1.7919693073617537,
   "start_distance_m": 304.0,
   "end_distance_m": 324.0,
   "midpoint_distance_m": 314.0,
   "start_elevation_m": 92.0201868277492,
   "end_elevation_m": 91.66179296627685,
   "start_xy": [
    459420.4194567024,
    4899600.719829227
   ],
   "end_xy": [
    459418.3814675268,
    4899620.615722427
   ]
  },
  "min_25m": {
   "gradient_pct": -0.2634023777418406,
   "start_distance_m": 299.0,
   "end_distance_m": 324.0,
   "midpoint_distance_m": 311.5,
   "start_elevation_m": 91.72764356071231,
   "end_elevation_m": 91.66179296627685,
   "start_xy": [
    459420.9295438134,
    4899595.745916172
   ],
   "end_xy": [
    459418.3814675268,
    4899620.615722427
   ]
  },
  "min_50m": {
   "gradient_pct": 1.976716338052114,
   "start_distance_m": 190.0,
   "end_distance_m": 240.0,
   "midpoint_distance_m": 215.0,
   "start_elevation_m": 81.28950784296843,
   "end_elevation_m": 82.27786601199449,
   "start_xy": [
    459405.15398984076,
    4899488.103284094
   ],
   "end_xy": [
    459411.6219742189,
    4899537.683165007
   ]
  },
  "min_100m": {
   "gradient_pct": 5.103385753452017,
   "start_distance_m": 143.0,
   "end_distance_m": 243.0,
   "midpoint_distance_m": 193.0,
   "start_elevation_m": 77.39085968314546,
   "end_elevation_m": 82.49424543659748,
   "start_xy": [
    459399.07491056365,
    4899441.498088128
   ],
   "end_xy": [
    459412.01100059686,
    4899540.657834047
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.08738860069627,
   "start_distance_m": 284.0,
   "end_distance_m": 286.0,
   "midpoint_distance_m": 285.0,
   "start_elevation_m": 89.28602007389479,
   "end_elevation_m": 90.08776784590872,
   "start_xy": [
    459419.1669958235,
    4899581.0146843605
   ],
   "end_xy": [
    459419.6100652099,
    4899582.964989097
   ]
  },
  "max_3m": {
   "gradient_pct": 39.10679809182843,
   "start_distance_m": 283.0,
   "end_distance_m": 286.0,
   "midpoint_distance_m": 284.5,
   "start_elevation_m": 88.91456390315386,
   "end_elevation_m": 90.08776784590872,
   "start_xy": [
    459418.9449857219,
    4899580.0396399945
   ],
   "end_xy": [
    459419.6100652099,
    4899582.964989097
   ]
  }
 },
 "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": 0.426,
   "obstruction_max_height_m": 20.32,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    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_x45y490_ME_SouthCoastal_2020_A20.tif"
  ],
  "calculated_at": "2026-09-03T14:34:51+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/dailey-road/dailey-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": [
   "x45y490"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/USGS_LPC_ME_SouthernAreas_2012_LAS_2016",
   "ept_crs": "EPSG:3857",
   "station_coverage": 0.877,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Jefferson",
  "county": "Maine"
 }
}