{
 "ocl_version": "0.1.0",
 "name": "Bean Road",
 "slug": "bean-road-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 43.02523067074446,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2238.0,
   "end_distance_m": 2240.0,
   "start_elevation_m": 226.74102274914327,
   "end_elevation_m": 227.60152736255816,
   "min_gradient_pct": -72.31527515052534,
   "suppressed_max_gradient_pct": 79.145029531972,
   "suppressed_location_m": [
    1540.0,
    1542.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 41.90682717886034,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2165.0,
   "end_distance_m": 2168.0,
   "start_elevation_m": 222.71248959310174,
   "end_elevation_m": 223.96969440846755,
   "min_gradient_pct": -54.37328525007293,
   "suppressed_max_gradient_pct": 56.92889182240606,
   "suppressed_location_m": [
    1539.0,
    1542.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 40.06196359156661,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2163.0,
   "end_distance_m": 2168.0,
   "start_elevation_m": 221.96659622888922,
   "end_elevation_m": 223.96969440846755,
   "min_gradient_pct": -34.281733613381675
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 34.87372384557972,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2162.0,
   "end_distance_m": 2172.0,
   "start_elevation_m": 221.76183249863263,
   "end_elevation_m": 225.2492048831906,
   "min_gradient_pct": -20.755598156700614
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.523815086817848,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 580.0,
   "end_distance_m": 600.0,
   "start_elevation_m": 215.6427623856469,
   "end_elevation_m": 220.94752540301047,
   "min_gradient_pct": -19.000513591528687
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.70567259603763,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 576.0,
   "end_distance_m": 601.0,
   "start_elevation_m": 214.76782407231346,
   "end_elevation_m": 221.19424222132287,
   "min_gradient_pct": -17.907761347974656
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.625879645080204,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 574.0,
   "end_distance_m": 624.0,
   "start_elevation_m": 214.47694739546347,
   "end_elevation_m": 223.28988721800357,
   "min_gradient_pct": -15.058271318041477
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.56284537722729,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 575.0,
   "end_distance_m": 675.0,
   "start_elevation_m": 214.59727569947614,
   "end_elevation_m": 227.16012107670343,
   "min_gradient_pct": -12.422601285159033
  }
 ],
 "shape": {
  "ascent_concentration": 0.361,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 43.0,
  "shape_class": "sustained"
 },
 "length_m": 2616.5776570718945,
 "start_elevation_m": 200.7664026199464,
 "end_elevation_m": 251.2430570117246,
 "endpoint_gain_m": 50.4766543917782,
 "overall_gradient_pct": 1.9291097382626343,
 "accumulated_ascent_m": 129.17707752735203,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 40.06196359156661,
   "start_distance_m": 2163.0,
   "end_distance_m": 2168.0,
   "midpoint_distance_m": 2165.5,
   "start_elevation_m": 221.96659622888922,
   "end_elevation_m": 223.96969440846755,
   "start_xy": [
    448366.7916473303,
    4981801.947095376
   ],
   "end_xy": [
    448364.59903203545,
    4981797.453495687
   ]
  },
  "max_10m": {
   "gradient_pct": 34.87372384557972,
   "start_distance_m": 2162.0,
   "end_distance_m": 2172.0,
   "midpoint_distance_m": 2167.0,
   "start_elevation_m": 221.76183249863263,
   "end_elevation_m": 225.2492048831906,
   "start_xy": [
    448367.23017038923,
    4981802.845815315
   ],
   "end_xy": [
    448362.8449397996,
    4981793.858615936
   ]
  },
  "max_20m": {
   "gradient_pct": 26.523815086817848,
   "start_distance_m": 580.0,
   "end_distance_m": 600.0,
   "midpoint_distance_m": 590.0,
   "start_elevation_m": 215.6427623856469,
   "end_elevation_m": 220.94752540301047,
   "start_xy": [
    449229.60552389227,
    4983100.264724341
   ],
   "end_xy": [
    449210.85034214176,
    4983093.318994897
   ]
  },
  "max_25m": {
   "gradient_pct": 25.70567259603763,
   "start_distance_m": 576.0,
   "end_distance_m": 601.0,
   "midpoint_distance_m": 588.5,
   "start_elevation_m": 214.76782407231346,
   "end_elevation_m": 221.19424222132287,
   "start_xy": [
    449233.3565602424,
    4983101.65387023
   ],
   "end_xy": [
    449209.9125830542,
    4983092.971708425
   ]
  },
  "max_50m": {
   "gradient_pct": 17.625879645080204,
   "start_distance_m": 574.0,
   "end_distance_m": 624.0,
   "midpoint_distance_m": 599.0,
   "start_elevation_m": 214.47694739546347,
   "end_elevation_m": 223.28988721800357,
   "start_xy": [
    449235.23207841744,
    4983102.348443175
   ],
   "end_xy": [
    449188.3441240411,
    4983084.984119565
   ]
  },
  "max_100m": {
   "gradient_pct": 12.56284537722729,
   "start_distance_m": 575.0,
   "end_distance_m": 675.0,
   "midpoint_distance_m": 625.0,
   "start_elevation_m": 214.59727569947614,
   "end_elevation_m": 227.16012107670343,
   "start_xy": [
    449234.2943193299,
    4983102.001156702
   ],
   "end_xy": [
    449148.62985166674,
    4983053.862220012
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -34.281733613381675,
   "start_distance_m": 1533.0,
   "end_distance_m": 1538.0,
   "midpoint_distance_m": 1535.5,
   "start_elevation_m": 186.52449669808092,
   "end_elevation_m": 184.81041001741184,
   "start_xy": [
    448638.8394782248,
    4982368.154378385
   ],
   "end_xy": [
    448636.04882487725,
    4982364.005613039
   ]
  },
  "min_10m": {
   "gradient_pct": -20.755598156700614,
   "start_distance_m": 1029.0,
   "end_distance_m": 1039.0,
   "midpoint_distance_m": 1034.0,
   "start_elevation_m": 215.95233027852413,
   "end_elevation_m": 213.87677046285407,
   "start_xy": [
    448922.8340161009,
    4982783.031004921
   ],
   "end_xy": [
    448916.884815226,
    4982774.993156394
   ]
  },
  "min_20m": {
   "gradient_pct": -19.000513591528687,
   "start_distance_m": 945.0,
   "end_distance_m": 965.0,
   "midpoint_distance_m": 955.0,
   "start_elevation_m": 225.52376714991627,
   "end_elevation_m": 221.72366443161053,
   "start_xy": [
    448972.8073034502,
    4982850.548932551
   ],
   "end_xy": [
    448960.90890170034,
    4982834.473235496
   ]
  },
  "min_25m": {
   "gradient_pct": -17.907761347974656,
   "start_distance_m": 942.0,
   "end_distance_m": 967.0,
   "midpoint_distance_m": 954.5,
   "start_elevation_m": 225.9216555190869,
   "end_elevation_m": 221.44471518209323,
   "start_xy": [
    448974.59206371265,
    4982852.96028711
   ],
   "end_xy": [
    448959.71906152536,
    4982832.865665791
   ]
  },
  "min_50m": {
   "gradient_pct": -15.058271318041477,
   "start_distance_m": 1016.0,
   "end_distance_m": 1066.0,
   "midpoint_distance_m": 1041.0,
   "start_elevation_m": 217.49537505364356,
   "end_elevation_m": 209.96623939462282,
   "start_xy": [
    448930.56797723833,
    4982793.480208007
   ],
   "end_xy": [
    448899.97242541926,
    4982753.94888485
   ]
  },
  "min_100m": {
   "gradient_pct": -12.422601285159033,
   "start_distance_m": 944.0,
   "end_distance_m": 1044.0,
   "midpoint_distance_m": 994.0,
   "start_elevation_m": 225.67738946121744,
   "end_elevation_m": 213.2547881760584,
   "start_xy": [
    448973.4022235377,
    4982851.352717404
   ],
   "end_xy": [
    448913.81866461114,
    4982771.045131814
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 43.02523067074446,
   "start_distance_m": 2238.0,
   "end_distance_m": 2240.0,
   "midpoint_distance_m": 2239.0,
   "start_elevation_m": 226.74102274914327,
   "end_elevation_m": 227.60152736255816,
   "start_xy": [
    448333.90241790767,
    4981734.543100036
   ],
   "end_xy": [
    448333.02537178976,
    4981732.74566016
   ]
  },
  "max_3m": {
   "gradient_pct": 41.90682717886034,
   "start_distance_m": 2165.0,
   "end_distance_m": 2168.0,
   "midpoint_distance_m": 2166.5,
   "start_elevation_m": 222.71248959310174,
   "end_elevation_m": 223.96969440846755,
   "start_xy": [
    448365.91460121237,
    4981800.149655501
   ],
   "end_xy": [
    448364.59903203545,
    4981797.453495687
   ]
  }
 },
 "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": 0.005,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    1532.0,
    1544.0
   ]
  ],
  "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_x44y499_ME_MidCentral_B23.tif"
  ],
  "calculated_at": "2026-08-24T20:34:50+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-3-260824",
  "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_MidCentral_B23 (collected 2023)",
  "elevation_tile_ids": [
   "x44y499"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 10.7% over 200 m (Terrain 50), gain 38.1 m over 2113 m way. EXTENDED by graph walk: +1 segment(s) at base, +0 at top (stop: base=no_descending_continuation, top=no_ascending_continuation; min_avg=2.0%). Review before adopting. 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": "Athens",
  "county": "Maine"
 }
}