{
 "ocl_version": "0.1.0",
 "name": "Cow Point",
 "slug": "cow-point",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.64361265709347,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1137.0,
   "end_distance_m": 1139.0,
   "start_elevation_m": 37.53195058934751,
   "end_elevation_m": 37.98482284248938,
   "min_gradient_pct": -21.768121119299266
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.871532549648027,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1137.0,
   "end_distance_m": 1140.0,
   "start_elevation_m": 37.53195058934751,
   "end_elevation_m": 38.18809656583695,
   "min_gradient_pct": -21.525259857087065
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.12988190820076,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1137.0,
   "end_distance_m": 1142.0,
   "start_elevation_m": 37.53195058934751,
   "end_elevation_m": 38.58844468475755,
   "min_gradient_pct": -21.084425876774162
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.403216541391664,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1100.0,
   "end_distance_m": 1110.0,
   "start_elevation_m": 30.167317412871885,
   "end_elevation_m": 32.20763906701105,
   "min_gradient_pct": -20.872062157358187
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.241488620808177,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1120.0,
   "end_distance_m": 1140.0,
   "start_elevation_m": 34.139798841675315,
   "end_elevation_m": 38.18809656583695,
   "min_gradient_pct": -19.940400037020254
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.00605879933312,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1117.0,
   "end_distance_m": 1142.0,
   "start_elevation_m": 33.58692998492427,
   "end_elevation_m": 38.58844468475755,
   "min_gradient_pct": -19.12339920889167
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.93341986613077,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1093.0,
   "end_distance_m": 1143.0,
   "start_elevation_m": 28.801264318298113,
   "end_elevation_m": 38.7679742513635,
   "min_gradient_pct": -14.009206799134036
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.534364846374427,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1047.0,
   "end_distance_m": 1147.0,
   "start_elevation_m": 24.595500270084816,
   "end_elevation_m": 39.12986511645924,
   "min_gradient_pct": -9.995709514192054
  }
 ],
 "shape": {
  "ascent_concentration": 0.448,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 78.0,
  "shape_class": "sustained"
 },
 "length_m": 1281.793285785954,
 "start_elevation_m": 5.628583688922228,
 "end_elevation_m": 30.695785606134702,
 "endpoint_gain_m": 25.067201917212476,
 "overall_gradient_pct": 1.9556352958926666,
 "accumulated_ascent_m": 47.63042947289529,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.12988190820076,
   "start_distance_m": 1137.0,
   "end_distance_m": 1142.0,
   "midpoint_distance_m": 1139.5,
   "start_elevation_m": 37.53195058934751,
   "end_elevation_m": 38.58844468475755,
   "start_xy": [
    622236.2038591076,
    4939530.753965732
   ],
   "end_xy": [
    622241.1095161875,
    4939529.78725553
   ]
  },
  "max_10m": {
   "gradient_pct": 20.403216541391664,
   "start_distance_m": 1100.0,
   "end_distance_m": 1110.0,
   "midpoint_distance_m": 1105.0,
   "start_elevation_m": 30.167317412871885,
   "end_elevation_m": 32.20763906701105,
   "start_xy": [
    622202.4688431777,
    4939543.82231317
   ],
   "end_xy": [
    622210.2257406858,
    4939537.588864828
   ]
  },
  "max_20m": {
   "gradient_pct": 20.241488620808177,
   "start_distance_m": 1120.0,
   "end_distance_m": 1140.0,
   "midpoint_distance_m": 1130.0,
   "start_elevation_m": 34.139798841675315,
   "end_elevation_m": 38.18809656583695,
   "start_xy": [
    622219.5380816668,
    4939534.092570151
   ],
   "end_xy": [
    622239.1472533555,
    4939530.173939611
   ]
  },
  "max_25m": {
   "gradient_pct": 20.00605879933312,
   "start_distance_m": 1117.0,
   "end_distance_m": 1142.0,
   "midpoint_distance_m": 1129.5,
   "start_elevation_m": 33.58692998492427,
   "end_elevation_m": 38.58844468475755,
   "start_xy": [
    622216.68462934,
    4939535.018750381
   ],
   "end_xy": [
    622241.1095161875,
    4939529.78725553
   ]
  },
  "max_50m": {
   "gradient_pct": 19.93341986613077,
   "start_distance_m": 1093.0,
   "end_distance_m": 1143.0,
   "midpoint_distance_m": 1118.0,
   "start_elevation_m": 28.801264318298113,
   "end_elevation_m": 38.7679742513635,
   "start_xy": [
    622198.1588069486,
    4939549.274896467
   ],
   "end_xy": [
    622242.0906476034,
    4939529.593913489
   ]
  },
  "max_100m": {
   "gradient_pct": 14.534364846374427,
   "start_distance_m": 1047.0,
   "end_distance_m": 1147.0,
   "midpoint_distance_m": 1097.0,
   "start_elevation_m": 24.595500270084816,
   "end_elevation_m": 39.12986511645924,
   "start_xy": [
    622172.0429093115,
    4939586.3879636265
   ],
   "end_xy": [
    622246.0151732673,
    4939528.820545328
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -21.084425876774162,
   "start_distance_m": 1170.0,
   "end_distance_m": 1175.0,
   "midpoint_distance_m": 1172.5,
   "start_elevation_m": 36.4409365767482,
   "end_elevation_m": 35.38671528290949,
   "start_xy": [
    622262.5193994931,
    4939515.0782668805
   ],
   "end_xy": [
    622263.9805435385,
    4939510.29652472
   ]
  },
  "min_10m": {
   "gradient_pct": -20.872062157358187,
   "start_distance_m": 1164.0,
   "end_distance_m": 1174.0,
   "midpoint_distance_m": 1169.0,
   "start_elevation_m": 37.668676488434464,
   "end_elevation_m": 35.581470272698645,
   "start_xy": [
    622260.1122196252,
    4939520.567512635
   ],
   "end_xy": [
    622263.6883147295,
    4939511.2528731525
   ]
  },
  "min_20m": {
   "gradient_pct": -19.940400037020254,
   "start_distance_m": 1164.0,
   "end_distance_m": 1184.0,
   "midpoint_distance_m": 1174.0,
   "start_elevation_m": 37.668676488434464,
   "end_elevation_m": 33.68059648103041,
   "start_xy": [
    622260.1122196252,
    4939520.567512635
   ],
   "end_xy": [
    622266.6106028201,
    4939501.689388834
   ]
  },
  "min_25m": {
   "gradient_pct": -19.12339920889167,
   "start_distance_m": 1160.0,
   "end_distance_m": 1185.0,
   "midpoint_distance_m": 1172.5,
   "start_elevation_m": 38.27403871939213,
   "end_elevation_m": 33.49318891716921,
   "start_xy": [
    622257.6216830541,
    4939523.637682036
   ],
   "end_xy": [
    622266.9028316292,
    4939500.733040402
   ]
  },
  "min_50m": {
   "gradient_pct": -14.009206799134036,
   "start_distance_m": 1150.0,
   "end_distance_m": 1200.0,
   "midpoint_distance_m": 1175.0,
   "start_elevation_m": 39.147683512472014,
   "end_elevation_m": 32.143080112905,
   "start_xy": [
    622248.9447325307,
    4939528.180918681
   ],
   "end_xy": [
    622271.2862637652,
    4939486.387813924
   ]
  },
  "min_100m": {
   "gradient_pct": -9.995709514192054,
   "start_distance_m": 1150.0,
   "end_distance_m": 1250.0,
   "midpoint_distance_m": 1200.0,
   "start_elevation_m": 39.147683512472014,
   "end_elevation_m": 29.15197399827996,
   "start_xy": [
    622248.9447325307,
    4939528.180918681
   ],
   "end_xy": [
    622291.4798393681,
    4939441.5102877915
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.64361265709347,
   "start_distance_m": 1137.0,
   "end_distance_m": 1139.0,
   "midpoint_distance_m": 1138.0,
   "start_elevation_m": 37.53195058934751,
   "end_elevation_m": 37.98482284248938,
   "start_xy": [
    622236.2038591076,
    4939530.753965732
   ],
   "end_xy": [
    622238.1661219395,
    4939530.367281651
   ]
  },
  "max_3m": {
   "gradient_pct": 21.871532549648027,
   "start_distance_m": 1137.0,
   "end_distance_m": 1140.0,
   "midpoint_distance_m": 1138.5,
   "start_elevation_m": 37.53195058934751,
   "end_elevation_m": 38.18809656583695,
   "start_xy": [
    622236.2038591076,
    4939530.753965732
   ],
   "end_xy": [
    622239.1472533555,
    4939530.173939611
   ]
  }
 },
 "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": [
   "descends_at_start"
  ],
  "suggested_summit_cut_m": 1149.0,
  "trailing_descent_m": 8.5
 },
 "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_x62y494_ME_MidCoast_2021_B21.tif",
   "data/cache/usa/me/USGS_1M_19_x62y495_ME_MidCoast_2021_B21.tif"
  ],
  "calculated_at": "2026-08-24T21:07:38+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-5-260824",
  "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_MidCoast_2021_B21 (collected 2021)",
  "elevation_tile_ids": [
   "x62y494",
   "x62y495"
  ],
  "climb_origin": "discovered",
  "notes": "Coarse pass: max 8.0% over 200 m (Terrain 50), gain 25.6 m over 1282 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": "Roque Bluffs",
  "county": "Maine"
 }
}