{
 "ocl_version": "0.1.0",
 "name": "Kennedy Lane",
 "slug": "kennedy-lane",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 50.7712661354887,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 103.0,
   "end_distance_m": 105.0,
   "start_elevation_m": 253.51715832125592,
   "end_elevation_m": 254.5325836439657,
   "min_gradient_pct": -17.366069895491876,
   "suppressed_max_gradient_pct": 70.85569120382615,
   "suppressed_location_m": [
    68.0,
    70.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 49.42357471449933,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 103.0,
   "end_distance_m": 106.0,
   "start_elevation_m": 253.51715832125592,
   "end_elevation_m": 254.9998655626909,
   "min_gradient_pct": -12.96394103648216,
   "suppressed_max_gradient_pct": 68.01302867762047,
   "suppressed_location_m": [
    68.0,
    71.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 48.32261452909563,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 102.0,
   "end_distance_m": 107.0,
   "start_elevation_m": 253.07495393172255,
   "end_elevation_m": 255.49108465817733,
   "min_gradient_pct": -9.891767868838315,
   "suppressed_max_gradient_pct": 59.522471513194546,
   "suppressed_location_m": [
    67.0,
    72.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 45.90917724556334,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 97.0,
   "end_distance_m": 107.0,
   "start_elevation_m": 250.900166933621,
   "end_elevation_m": 255.49108465817733,
   "min_gradient_pct": -1.6427633104748907
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 44.17774490538761,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 88.0,
   "end_distance_m": 108.0,
   "start_elevation_m": 247.04904600600787,
   "end_elevation_m": 255.8845949870854,
   "min_gradient_pct": 1.4973390880297188
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 42.895837136574755,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 86.0,
   "end_distance_m": 111.0,
   "start_elevation_m": 246.3139326615356,
   "end_elevation_m": 257.0378919456793,
   "min_gradient_pct": 2.4938644806934462
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 35.54716047838332,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 76.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 243.29492512868657,
   "end_elevation_m": 261.06850536787823,
   "min_gradient_pct": 11.844940149031515,
   "suppressed_max_gradient_pct": 39.90231237985961,
   "suppressed_location_m": [
    67.0,
    117.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 29.23201930082155,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 75.0,
   "end_distance_m": 175.0,
   "start_elevation_m": 243.07991208556302,
   "end_elevation_m": 272.3119313863846,
   "min_gradient_pct": 20.402759527867715,
   "suppressed_max_gradient_pct": 31.543610910697172,
   "suppressed_location_m": [
    67.0,
    167.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.403,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 166.0,
  "shape_class": "sustained"
 },
 "length_m": 225.52678389902997,
 "start_elevation_m": 229.55430021887452,
 "end_elevation_m": 281.3883223964833,
 "endpoint_gain_m": 51.8340221776088,
 "overall_gradient_pct": 22.983532723463696,
 "accumulated_ascent_m": 52.83402184566529,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 48.32261452909563,
   "start_distance_m": 102.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 104.5,
   "start_elevation_m": 253.07495393172255,
   "end_elevation_m": 255.49108465817733,
   "start_xy": [
    370983.3487532172,
    4905160.815844509
   ],
   "end_xy": [
    370982.5080548455,
    4905165.744660416
   ]
  },
  "max_10m": {
   "gradient_pct": 45.90917724556334,
   "start_distance_m": 97.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 102.0,
   "start_elevation_m": 250.900166933621,
   "end_elevation_m": 255.49108465817733,
   "start_xy": [
    370984.1894515889,
    4905155.887028601
   ],
   "end_xy": [
    370982.5080548455,
    4905165.744660416
   ]
  },
  "max_20m": {
   "gradient_pct": 44.17774490538761,
   "start_distance_m": 88.0,
   "end_distance_m": 108.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 247.04904600600787,
   "end_elevation_m": 255.8845949870854,
   "start_xy": [
    370985.702708658,
    4905147.015159968
   ],
   "end_xy": [
    370982.33991517115,
    4905166.730423598
   ]
  },
  "max_25m": {
   "gradient_pct": 42.895837136574755,
   "start_distance_m": 86.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 98.5,
   "start_elevation_m": 246.3139326615356,
   "end_elevation_m": 257.0378919456793,
   "start_xy": [
    370986.03898800665,
    4905145.043633605
   ],
   "end_xy": [
    370981.83549614815,
    4905169.687713142
   ]
  },
  "max_50m": {
   "gradient_pct": 35.54716047838332,
   "start_distance_m": 76.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 101.0,
   "start_elevation_m": 243.29492512868657,
   "end_elevation_m": 261.06850536787823,
   "start_xy": [
    370987.7203847501,
    4905135.186001791
   ],
   "end_xy": [
    370979.31340103305,
    4905184.474160863
   ]
  },
  "max_100m": {
   "gradient_pct": 29.23201930082155,
   "start_distance_m": 75.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 243.07991208556302,
   "end_elevation_m": 272.3119313863846,
   "start_xy": [
    370987.8885244244,
    4905134.20023861
   ],
   "end_xy": [
    370971.0745569903,
    4905232.7765567545
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.891767868838315,
   "start_distance_m": 2.0,
   "end_distance_m": 7.0,
   "midpoint_distance_m": 4.5,
   "start_elevation_m": 229.460383970205,
   "end_elevation_m": 228.96579557676307,
   "start_xy": [
    371000.1627206513,
    4905062.239526363
   ],
   "end_xy": [
    370999.3220222796,
    4905067.16834227
   ]
  },
  "min_10m": {
   "gradient_pct": -1.6427633104748907,
   "start_distance_m": 56.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 61.0,
   "start_elevation_m": 239.21046076937785,
   "end_elevation_m": 239.04618443833036,
   "start_xy": [
    370991.0831782369,
    4905115.470738161
   ],
   "end_xy": [
    370989.4017814935,
    4905125.328369976
   ]
  },
  "min_20m": {
   "gradient_pct": 1.4973390880297188,
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 238.7467166207244,
   "end_elevation_m": 239.04618443833036,
   "start_xy": [
    370992.7645749803,
    4905105.613106347
   ],
   "end_xy": [
    370989.4017814935,
    4905125.328369976
   ]
  },
  "min_25m": {
   "gradient_pct": 2.4938644806934462,
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 238.5059029737045,
   "end_elevation_m": 239.12936909387787,
   "start_xy": [
    370993.4371336777,
    4905101.670053621
   ],
   "end_xy": [
    370989.23364181916,
    4905126.314133158
   ]
  },
  "min_50m": {
   "gradient_pct": 11.844940149031515,
   "start_distance_m": 17.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 42.0,
   "start_elevation_m": 233.2068990193621,
   "end_elevation_m": 239.12936909387787,
   "start_xy": [
    370997.6406255362,
    4905077.025974085
   ],
   "end_xy": [
    370989.23364181916,
    4905126.314133158
   ]
  },
  "min_100m": {
   "gradient_pct": 20.402759527867715,
   "start_distance_m": 122.0,
   "end_distance_m": 222.0,
   "midpoint_distance_m": 172.0,
   "start_elevation_m": 260.32169536821107,
   "end_elevation_m": 280.7244548960788,
   "start_xy": [
    370979.9859597304,
    4905180.531108137
   ],
   "end_xy": [
    370963.1719922963,
    4905279.107426283
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 50.7712661354887,
   "start_distance_m": 103.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 104.0,
   "start_elevation_m": 253.51715832125592,
   "end_elevation_m": 254.5325836439657,
   "start_xy": [
    370983.18061354285,
    4905161.80160769
   ],
   "end_xy": [
    370982.8443341942,
    4905163.773134053
   ]
  },
  "max_3m": {
   "gradient_pct": 49.42357471449933,
   "start_distance_m": 103.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 104.5,
   "start_elevation_m": 253.51715832125592,
   "end_elevation_m": 254.9998655626909,
   "start_xy": [
    370983.18061354285,
    4905161.80160769
   ],
   "end_xy": [
    370982.67619451985,
    4905164.758897235
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.066,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    6.0,
    12.0
   ],
   [
    66.0,
    73.0
   ]
  ],
  "review": [
   "max5_over_45",
   "max10_over_40"
  ],
  "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_x37y491_ME_WesternMtns_B24.tif"
  ],
  "calculated_at": "2026-08-24T20:34:06+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/maine-2026-08-22.osm.pbf",
  "osm_snapshot": "2026-08-21T20:21:11Z",
  "run_id": "redo-me-1-260824",
  "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": [
   "x37y491"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 24.2% over 200 m (Terrain 50), gain 51.7 m over 226 m way. KEPT at seed extent: no ascending continuation (min_avg=2.0%). ADOPTED (NE wave 1, 2026-08-25): clean-steep. Wales dials per PRODUCTION 'US ADOPTION DIALS'.",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Greenwood",
  "county": "Maine"
 }
}