{
 "ocl_version": "0.1.0",
 "name": "Wildwood Lane",
 "slug": "wildwood-lane",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.64599275011709,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 53.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 22.182156104782106,
   "end_elevation_m": 22.995075959784447,
   "min_gradient_pct": -18.280833756390535
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.14583148844181,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 52.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 21.850701015131193,
   "end_elevation_m": 22.995075959784447,
   "min_gradient_pct": -15.652252060606267
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.21255695175036,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 50.0,
   "end_distance_m": 55.0,
   "start_elevation_m": 21.23444811219693,
   "end_elevation_m": 22.995075959784447,
   "min_gradient_pct": -9.3469999873507
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.55581559445303,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 20.285161042749404,
   "end_elevation_m": 23.240742602194707,
   "min_gradient_pct": -6.756459435221345
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.59263128166974,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "start_elevation_m": 20.285161042749404,
   "end_elevation_m": 25.203687299083352,
   "min_gradient_pct": -3.3496385201184964
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.877050469128054,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 41.0,
   "end_distance_m": 66.0,
   "start_elevation_m": 19.73442468180134,
   "end_elevation_m": 25.203687299083352,
   "min_gradient_pct": -2.694747088732896
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.2807373557619,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 49.0,
   "end_distance_m": 99.0,
   "start_elevation_m": 20.897455305181843,
   "end_elevation_m": 30.537823983062793,
   "min_gradient_pct": 3.898017006267736
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.945599896905474,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 16.0,
   "end_distance_m": 116.0,
   "start_elevation_m": 16.01296680182214,
   "end_elevation_m": 33.958566698727616,
   "min_gradient_pct": 7.869451133777012
  }
 ],
 "shape": {
  "ascent_concentration": 0.395,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 108.0,
  "shape_class": "sustained"
 },
 "length_m": 221.77061912708325,
 "start_elevation_m": 14.936388501276953,
 "end_elevation_m": 42.54313843469578,
 "endpoint_gain_m": 27.606749933418826,
 "overall_gradient_pct": 12.448335150112502,
 "accumulated_ascent_m": 28.75161990967125,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.21255695175036,
   "start_distance_m": 50.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 52.5,
   "start_elevation_m": 21.23444811219693,
   "end_elevation_m": 22.995075959784447,
   "start_xy": [
    523980.3620890024,
    4934488.525826669
   ],
   "end_xy": [
    523982.64801559964,
    4934484.07896962
   ]
  },
  "max_10m": {
   "gradient_pct": 29.55581559445303,
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 20.285161042749404,
   "end_elevation_m": 23.240742602194707,
   "start_xy": [
    523978.5329458987,
    4934492.083105361
   ],
   "end_xy": [
    523983.10479890753,
    4934483.189391624
   ]
  },
  "max_20m": {
   "gradient_pct": 24.59263128166974,
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 20.285161042749404,
   "end_elevation_m": 25.203687299083352,
   "start_xy": [
    523978.5329458987,
    4934492.083105361
   ],
   "end_xy": [
    523987.677058027,
    4934474.295886993
   ]
  },
  "max_25m": {
   "gradient_pct": 21.877050469128054,
   "start_distance_m": 41.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 53.5,
   "start_elevation_m": 19.73442468180134,
   "end_elevation_m": 25.203687299083352,
   "start_xy": [
    523976.2478101423,
    4934496.530368938
   ],
   "end_xy": [
    523987.677058027,
    4934474.295886993
   ]
  },
  "max_50m": {
   "gradient_pct": 19.2807373557619,
   "start_distance_m": 49.0,
   "end_distance_m": 99.0,
   "midpoint_distance_m": 74.0,
   "start_elevation_m": 20.897455305181843,
   "end_elevation_m": 30.537823983062793,
   "start_xy": [
    523979.90489939816,
    4934489.4151959205
   ],
   "end_xy": [
    524002.7629883906,
    4934444.946022584
   ]
  },
  "max_100m": {
   "gradient_pct": 17.945599896905474,
   "start_distance_m": 16.0,
   "end_distance_m": 116.0,
   "midpoint_distance_m": 66.0,
   "start_elevation_m": 16.01296680182214,
   "end_elevation_m": 33.958566698727616,
   "start_xy": [
    523964.81896912924,
    4934518.765059921
   ],
   "end_xy": [
    524010.5347402843,
    4934429.826504688
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.3469999873507,
   "start_distance_m": 196.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 198.5,
   "start_elevation_m": 42.041980643283814,
   "end_elevation_m": 41.57463064391628,
   "start_xy": [
    523996.674530269,
    4934352.42115394
   ],
   "end_xy": [
    523996.11754377116,
    4934347.4522748515
   ]
  },
  "min_10m": {
   "gradient_pct": -6.756459435221345,
   "start_distance_m": 197.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 202.0,
   "start_elevation_m": 41.99948238435987,
   "end_elevation_m": 41.32383644083774,
   "start_xy": [
    523996.563474902,
    4934351.427339755
   ],
   "end_xy": [
    523995.44957706914,
    4934341.489573034
   ]
  },
  "min_20m": {
   "gradient_pct": -3.3496385201184964,
   "start_distance_m": 188.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 198.0,
   "start_elevation_m": 42.00545716772589,
   "end_elevation_m": 41.335529463702194,
   "start_xy": [
    523997.5645676486,
    4934360.371488673
   ],
   "end_xy": [
    523995.33859687735,
    4934340.495750415
   ]
  },
  "min_25m": {
   "gradient_pct": -2.694747088732896,
   "start_distance_m": 183.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 195.5,
   "start_elevation_m": 42.00921623588542,
   "end_elevation_m": 41.335529463702194,
   "start_xy": [
    523998.1215541587,
    4934365.340367872
   ],
   "end_xy": [
    523995.33859687735,
    4934340.495750415
   ]
  },
  "min_50m": {
   "gradient_pct": 3.898017006267736,
   "start_distance_m": 171.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 196.0,
   "start_elevation_m": 40.57579914209007,
   "end_elevation_m": 42.52480764522394,
   "start_xy": [
    523999.457523094,
    4934377.265767459
   ],
   "end_xy": [
    523994.36114641407,
    4934327.535050368
   ]
  },
  "min_100m": {
   "gradient_pct": 7.869451133777012,
   "start_distance_m": 121.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 171.0,
   "start_elevation_m": 34.655356511446925,
   "end_elevation_m": 42.52480764522394,
   "start_xy": [
    524012.2451258658,
    4934425.27772991
   ],
   "end_xy": [
    523994.36114641407,
    4934327.535050368
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.64599275011709,
   "start_distance_m": 53.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 22.182156104782106,
   "end_elevation_m": 22.995075959784447,
   "start_xy": [
    523981.73325195437,
    4934485.857510394
   ],
   "end_xy": [
    523982.64801559964,
    4934484.07896962
   ]
  },
  "max_3m": {
   "gradient_pct": 38.14583148844181,
   "start_distance_m": 52.0,
   "end_distance_m": 55.0,
   "midpoint_distance_m": 53.5,
   "start_elevation_m": 21.850701015131193,
   "end_elevation_m": 22.995075959784447,
   "start_xy": [
    523981.27606197,
    4934486.746879451
   ],
   "end_xy": [
    523982.64801559964,
    4934484.07896962
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.455,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.924,
   "obstruction_max_height_m": 24.94,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    120.0,
    220.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_x52y494_ME_MidCentral_B23.tif"
  ],
  "calculated_at": "2026-09-03T22:44:52+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": "canopy-tail-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_MidCentral_B23 (collected 2023)",
  "elevation_tile_ids": [
   "x52y494"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/ME_ME_MA_QL2_L1_2015",
   "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": "Orland",
  "county": "Maine"
 }
}