{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (44.5291, -70.3784)",
 "slug": "discovered-lane-44-5291-70-3784",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.247895935061194,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 76.0,
   "end_distance_m": 78.0,
   "start_elevation_m": 203.445814522324,
   "end_elevation_m": 204.23077244102524,
   "min_gradient_pct": -16.986636128224575
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 37.30203839348292,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 75.0,
   "end_distance_m": 78.0,
   "start_elevation_m": 203.11171128922075,
   "end_elevation_m": 204.23077244102524,
   "min_gradient_pct": -14.122135526003868
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.062558097587726,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 49.0,
   "end_distance_m": 54.0,
   "start_elevation_m": 199.2805938304486,
   "end_elevation_m": 200.88372173532798,
   "min_gradient_pct": -9.242410038361868
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.081091167045088,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 198.54556410185114,
   "end_elevation_m": 201.45367321855565,
   "min_gradient_pct": -6.992090559192832
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.89624371461099,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "start_elevation_m": 188.26390565997866,
   "end_elevation_m": 193.44315440290086,
   "min_gradient_pct": -4.539514174144443
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.544831593378717,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 30.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 195.0532035326958,
   "end_elevation_m": 201.18941143104047,
   "min_gradient_pct": -4.076421497144452
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.26391349447715,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 54.0,
   "start_elevation_m": 189.2517649880894,
   "end_elevation_m": 200.88372173532798,
   "min_gradient_pct": -3.0355733045282136
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.97420739047118,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 188.26390565997866,
   "end_elevation_m": 205.23811305044984,
   "min_gradient_pct": 0.031648728096683953
  }
 ],
 "shape": {
  "ascent_concentration": 0.464,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 72.0,
  "shape_class": "stepped"
 },
 "length_m": 251.69133111910125,
 "start_elevation_m": 188.26390565997866,
 "end_elevation_m": 216.34190196351813,
 "endpoint_gain_m": 28.077996303539464,
 "overall_gradient_pct": 11.155726412465457,
 "accumulated_ascent_m": 30.913701446523277,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.062558097587726,
   "start_distance_m": 49.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 51.5,
   "start_elevation_m": 199.2805938304486,
   "end_elevation_m": 200.88372173532798,
   "start_xy": [
    390286.5212210735,
    4931501.228076733
   ],
   "end_xy": [
    390291.2449847484,
    4931502.866994706
   ]
  },
  "max_10m": {
   "gradient_pct": 29.081091167045088,
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 198.54556410185114,
   "end_elevation_m": 201.45367321855565,
   "start_xy": [
    390283.6871915063,
    4931500.24406647
   ],
   "end_xy": [
    390293.1343019367,
    4931503.523104799
   ]
  },
  "max_20m": {
   "gradient_pct": 25.89624371461099,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 188.26390565997866,
   "end_elevation_m": 193.44315440290086,
   "start_xy": [
    390240.231,
    4931485.159
   ],
   "end_xy": [
    390259.1249115109,
    4931491.717969286
   ]
  },
  "max_25m": {
   "gradient_pct": 24.544831593378717,
   "start_distance_m": 30.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 42.5,
   "start_elevation_m": 195.0532035326958,
   "end_elevation_m": 201.18941143104047,
   "start_xy": [
    390268.5720219413,
    4931494.997007616
   ],
   "end_xy": [
    390292.1896971271,
    4931503.194894876
   ]
  },
  "max_50m": {
   "gradient_pct": 23.26391349447715,
   "start_distance_m": 4.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 189.2517649880894,
   "end_elevation_m": 200.88372173532798,
   "start_xy": [
    390244.0097419462,
    4931486.470910432
   ],
   "end_xy": [
    390291.2449847484,
    4931502.866994706
   ]
  },
  "max_100m": {
   "gradient_pct": 16.97420739047118,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 188.26390565997866,
   "end_elevation_m": 205.23811305044984,
   "start_xy": [
    390240.231,
    4931485.159
   ],
   "end_xy": [
    390334.7011762547,
    4931517.952061175
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.242410038361868,
   "start_distance_m": 161.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 163.5,
   "start_elevation_m": 204.60633121523063,
   "end_elevation_m": 204.14421071331253,
   "start_xy": [
    390392.3279328087,
    4931537.955976679
   ],
   "end_xy": [
    390397.05127956445,
    4931539.5960970335
   ]
  },
  "min_10m": {
   "gradient_pct": -6.992090559192832,
   "start_distance_m": 156.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 161.0,
   "start_elevation_m": 204.84341976923182,
   "end_elevation_m": 204.14421071331253,
   "start_xy": [
    390387.6041691341,
    4931536.317058705
   ],
   "end_xy": [
    390397.05127956445,
    4931539.5960970335
   ]
  },
  "min_20m": {
   "gradient_pct": -4.539514174144443,
   "start_distance_m": 153.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 204.84995855912442,
   "end_elevation_m": 203.94205572429553,
   "start_xy": [
    390384.7701395669,
    4931535.333048441
   ],
   "end_xy": [
    390403.66436072014,
    4931541.891125202
   ]
  },
  "min_25m": {
   "gradient_pct": -4.076421497144452,
   "start_distance_m": 148.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 160.5,
   "start_elevation_m": 204.96116109858164,
   "end_elevation_m": 203.94205572429553,
   "start_xy": [
    390380.0467928112,
    4931533.692928087
   ],
   "end_xy": [
    390403.66436072014,
    4931541.891125202
   ]
  },
  "min_50m": {
   "gradient_pct": -3.0355733045282136,
   "start_distance_m": 123.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 148.0,
   "start_elevation_m": 205.45984237655964,
   "end_elevation_m": 203.94205572429553,
   "start_xy": [
    390356.42911733285,
    4931525.495040725
   ],
   "end_xy": [
    390403.66436072014,
    4931541.891125202
   ]
  },
  "min_100m": {
   "gradient_pct": 0.031648728096683953,
   "start_distance_m": 81.0,
   "end_distance_m": 181.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 204.54140081402295,
   "end_elevation_m": 204.57304954211963,
   "start_xy": [
    390316.75166777265,
    4931511.721884687
   ],
   "end_xy": [
    390411.22184461245,
    4931544.514946066
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.247895935061194,
   "start_distance_m": 76.0,
   "end_distance_m": 78.0,
   "midpoint_distance_m": 77.0,
   "start_elevation_m": 203.445814522324,
   "end_elevation_m": 204.23077244102524,
   "start_xy": [
    390312.0282134476,
    4931510.082074086
   ],
   "end_xy": [
    390313.91763820546,
    4931510.737874425
   ]
  },
  "max_3m": {
   "gradient_pct": 37.30203839348292,
   "start_distance_m": 75.0,
   "end_distance_m": 78.0,
   "midpoint_distance_m": 76.5,
   "start_elevation_m": 203.11171128922075,
   "end_elevation_m": 204.23077244102524,
   "start_xy": [
    390311.08360863826,
    4931509.753864162
   ],
   "end_xy": [
    390313.91763820546,
    4931510.737874425
   ]
  }
 },
 "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": {
  "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:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x39y494_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-09-03T15:10:26+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/discovered-lane-44-5291-70-3784/discovered-lane-44-5291-70-3784.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_WesternMtns_B24 (collected 2024)",
  "elevation_tile_ids": [
   "x39y494"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: USGS_LPC_ME_NRCS_Lot4_2013_LAS_2015: no corridor points fetched; ME_SouthCentral_1_B22: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Dixfield",
  "county": "Maine"
 }
}