{
 "ocl_version": "0.1.0",
 "name": "Pine Ridge Road",
 "slug": "pine-ridge-road-2-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.27553388783906,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 398.0,
   "end_distance_m": 400.0,
   "start_elevation_m": 297.98182831262835,
   "end_elevation_m": 298.66733899038513,
   "min_gradient_pct": -8.482258970218481
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.09595514646352,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 397.0,
   "end_distance_m": 400.0,
   "start_elevation_m": 297.6744603359912,
   "end_elevation_m": 298.66733899038513,
   "min_gradient_pct": -8.45795708349518
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.1047012546444,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 395.0,
   "end_distance_m": 400.0,
   "start_elevation_m": 297.0621039276529,
   "end_elevation_m": 298.66733899038513,
   "min_gradient_pct": -8.333088865866785
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.09284243297634,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 394.0,
   "end_distance_m": 404.0,
   "start_elevation_m": 296.84215739126216,
   "end_elevation_m": 299.7514416345598,
   "min_gradient_pct": -8.254965093123587
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.64021449536523,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 385.0,
   "end_distance_m": 405.0,
   "start_elevation_m": 295.182906228375,
   "end_elevation_m": 299.910949127448,
   "min_gradient_pct": -8.052504064624486
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.86514021661651,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 405.0,
   "start_elevation_m": 294.6946640732939,
   "end_elevation_m": 299.910949127448,
   "min_gradient_pct": -7.731658176251813
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.64773658980573,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 461.0,
   "end_distance_m": 511.0,
   "start_elevation_m": 302.4881371017607,
   "end_elevation_m": 310.81200539666355,
   "min_gradient_pct": -4.402247321568439
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.832307336538406,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 460.0,
   "end_distance_m": 560.0,
   "start_elevation_m": 302.3546471834836,
   "end_elevation_m": 317.186954520022,
   "min_gradient_pct": -3.2723656903451115
  }
 ],
 "shape": {
  "ascent_concentration": 0.368,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 178.0,
  "shape_class": "sustained"
 },
 "length_m": 1046.594631725161,
 "start_elevation_m": 280.06406661620565,
 "end_elevation_m": 365.5585650178241,
 "endpoint_gain_m": 85.49449840161844,
 "overall_gradient_pct": 8.168826383209423,
 "accumulated_ascent_m": 92.86054720707597,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.1047012546444,
   "start_distance_m": 395.0,
   "end_distance_m": 400.0,
   "midpoint_distance_m": 397.5,
   "start_elevation_m": 297.0621039276529,
   "end_elevation_m": 298.66733899038513,
   "start_xy": [
    734084.7167788695,
    4460918.638188569
   ],
   "end_xy": [
    734089.6859114008,
    4460918.083461711
   ]
  },
  "max_10m": {
   "gradient_pct": 29.09284243297634,
   "start_distance_m": 394.0,
   "end_distance_m": 404.0,
   "midpoint_distance_m": 399.0,
   "start_elevation_m": 296.84215739126216,
   "end_elevation_m": 299.7514416345598,
   "start_xy": [
    734083.8307410533,
    4460918.997568002
   ],
   "end_xy": [
    734093.3086975947,
    4460919.218769683
   ]
  },
  "max_20m": {
   "gradient_pct": 23.64021449536523,
   "start_distance_m": 385.0,
   "end_distance_m": 405.0,
   "midpoint_distance_m": 395.0,
   "start_elevation_m": 295.182906228375,
   "end_elevation_m": 299.910949127448,
   "start_xy": [
    734076.9911257466,
    4460924.847325471
   ],
   "end_xy": [
    734094.1609835847,
    4460919.741845768
   ]
  },
  "max_25m": {
   "gradient_pct": 20.86514021661651,
   "start_distance_m": 380.0,
   "end_distance_m": 405.0,
   "midpoint_distance_m": 392.5,
   "start_elevation_m": 294.6946640732939,
   "end_elevation_m": 299.910949127448,
   "start_xy": [
    734073.5967471867,
    4460928.345045475
   ],
   "end_xy": [
    734094.1609835847,
    4460919.741845768
   ]
  },
  "max_50m": {
   "gradient_pct": 16.64773658980573,
   "start_distance_m": 461.0,
   "end_distance_m": 511.0,
   "midpoint_distance_m": 486.0,
   "start_elevation_m": 302.4881371017607,
   "end_elevation_m": 310.81200539666355,
   "start_xy": [
    734138.7505005,
    4460943.2842540145
   ],
   "end_xy": [
    734146.5615097468,
    4460895.309117607
   ]
  },
  "max_100m": {
   "gradient_pct": 14.832307336538406,
   "start_distance_m": 460.0,
   "end_distance_m": 560.0,
   "midpoint_distance_m": 510.0,
   "start_elevation_m": 302.3546471834836,
   "end_elevation_m": 317.186954520022,
   "start_xy": [
    734137.9811630404,
    4460943.92309662
   ],
   "end_xy": [
    734138.0528854105,
    4460848.806074325
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.333088865866785,
   "start_distance_m": 1025.0,
   "end_distance_m": 1030.0,
   "midpoint_distance_m": 1027.5,
   "start_elevation_m": 367.23282326739593,
   "end_elevation_m": 366.8161688241026,
   "start_xy": [
    734164.1401681375,
    4460463.545733385
   ],
   "end_xy": [
    734168.9022664083,
    4460465.069682222
   ]
  },
  "min_10m": {
   "gradient_pct": -8.254965093123587,
   "start_distance_m": 1025.0,
   "end_distance_m": 1035.0,
   "midpoint_distance_m": 1030.0,
   "start_elevation_m": 367.23282326739593,
   "end_elevation_m": 366.40732675808357,
   "start_xy": [
    734164.1401681375,
    4460463.545733385
   ],
   "end_xy": [
    734173.7416093776,
    4460466.270858619
   ]
  },
  "min_20m": {
   "gradient_pct": -8.052504064624486,
   "start_distance_m": 1022.0,
   "end_distance_m": 1042.0,
   "midpoint_distance_m": 1032.0,
   "start_elevation_m": 367.46831976618546,
   "end_elevation_m": 365.85781895326056,
   "start_xy": [
    734161.282909175,
    4460462.631364082
   ],
   "end_xy": [
    734180.6521121219,
    4460467.38663271
   ]
  },
  "min_25m": {
   "gradient_pct": -7.731658176251813,
   "start_distance_m": 1020.0,
   "end_distance_m": 1045.0,
   "midpoint_distance_m": 1032.5,
   "start_elevation_m": 367.5817586921846,
   "end_elevation_m": 365.64884414812167,
   "start_xy": [
    734159.3780698667,
    4460462.021784547
   ],
   "end_xy": [
    734183.6137561552,
    4460467.864821605
   ]
  },
  "min_50m": {
   "gradient_pct": -4.402247321568439,
   "start_distance_m": 996.0,
   "end_distance_m": 1046.0,
   "midpoint_distance_m": 1021.0,
   "start_elevation_m": 367.79571821102564,
   "end_elevation_m": 365.5945945502414,
   "start_xy": [
    734136.5199981665,
    4460454.706830128
   ],
   "end_xy": [
    734184.600970833,
    4460468.024217904
   ]
  },
  "min_100m": {
   "gradient_pct": -3.2723656903451115,
   "start_distance_m": 28.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 78.0,
   "start_elevation_m": 279.43260965246037,
   "end_elevation_m": 276.16024396211526,
   "start_xy": [
    733927.6727186913,
    4461179.291255637
   ],
   "end_xy": [
    734020.4000614609,
    4461143.366854364
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.27553388783906,
   "start_distance_m": 398.0,
   "end_distance_m": 400.0,
   "midpoint_distance_m": 399.0,
   "start_elevation_m": 297.98182831262835,
   "end_elevation_m": 298.66733899038513,
   "start_xy": [
    734087.6982583883,
    4460918.305352454
   ],
   "end_xy": [
    734089.6859114008,
    4460918.083461711
   ]
  },
  "max_3m": {
   "gradient_pct": 33.09595514646352,
   "start_distance_m": 397.0,
   "end_distance_m": 400.0,
   "midpoint_distance_m": 398.5,
   "start_elevation_m": 297.6744603359912,
   "end_elevation_m": 298.66733899038513,
   "start_xy": [
    734086.7044318821,
    4460918.416297826
   ],
   "end_xy": [
    734089.6859114008,
    4460918.083461711
   ]
  }
 },
 "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_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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x73y447_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-07T15:05:50+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07-batch-band2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "pa-run4-260907",
  "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, PA_Northcentral_2019_B19 (collected 2019)",
  "elevation_tile_ids": [
   "x73y447"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_Northcentral_2019_B19: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Liberty",
  "county": "Pennsylvania"
 }
}