{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (40.3499, -79.7987)",
 "slug": "discovered-lane-40-3499-79-7987",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.59047219789295,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 532.0,
   "end_distance_m": 534.0,
   "start_elevation_m": 335.9027515942962,
   "end_elevation_m": 336.55456103825406,
   "min_gradient_pct": -3.00306036145912
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.24788330403877,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 532.0,
   "end_distance_m": 535.0,
   "start_elevation_m": 335.9027515942962,
   "end_elevation_m": 336.87018809341737,
   "min_gradient_pct": -2.7883701135995884
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.117197571799124,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 531.0,
   "end_distance_m": 536.0,
   "start_elevation_m": 335.6107350726871,
   "end_elevation_m": 337.16659495127703,
   "min_gradient_pct": -2.4220990011974664
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.955758271760487,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 525.0,
   "end_distance_m": 535.0,
   "start_elevation_m": 333.7746122662413,
   "end_elevation_m": 336.87018809341737,
   "min_gradient_pct": -2.410265313287141
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 30.06552991765716,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 522.0,
   "end_distance_m": 542.0,
   "start_elevation_m": 332.9210212001189,
   "end_elevation_m": 338.93412718365033,
   "min_gradient_pct": -2.0071893793880236
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 29.576916094946455,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 517.0,
   "end_distance_m": 542.0,
   "start_elevation_m": 331.5398981599137,
   "end_elevation_m": 338.93412718365033,
   "min_gradient_pct": -1.9510457115763984
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 28.289067163740356,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 512.0,
   "end_distance_m": 562.0,
   "start_elevation_m": 330.1581922885533,
   "end_elevation_m": 344.3027258704235,
   "min_gradient_pct": -1.0310941684416548
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 25.169038605471595,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 477.0,
   "end_distance_m": 577.0,
   "start_elevation_m": 322.3844876664941,
   "end_elevation_m": 347.5535262719657,
   "min_gradient_pct": 2.478387072994167
  }
 ],
 "shape": {
  "ascent_concentration": 0.441,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 326.0,
  "shape_class": "sustained"
 },
 "length_m": 673.7805127448788,
 "start_elevation_m": 269.1508843383787,
 "end_elevation_m": 359.35455580034386,
 "endpoint_gain_m": 90.20367146196514,
 "overall_gradient_pct": 13.387693730483415,
 "accumulated_ascent_m": 90.96568941176048,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.117197571799124,
   "start_distance_m": 531.0,
   "end_distance_m": 536.0,
   "midpoint_distance_m": 533.5,
   "start_elevation_m": 335.6107350726871,
   "end_elevation_m": 337.16659495127703,
   "start_xy": [
    602023.5032783282,
    4467168.076992424
   ],
   "end_xy": [
    602023.8855718605,
    4467163.09162868
   ]
  },
  "max_10m": {
   "gradient_pct": 30.955758271760487,
   "start_distance_m": 525.0,
   "end_distance_m": 535.0,
   "midpoint_distance_m": 530.0,
   "start_elevation_m": 333.7746122662413,
   "end_elevation_m": 336.87018809341737,
   "start_xy": [
    602023.1657955733,
    4467174.06648733
   ],
   "end_xy": [
    602023.8091131541,
    4467164.088701429
   ]
  },
  "max_20m": {
   "gradient_pct": 30.06552991765716,
   "start_distance_m": 522.0,
   "end_distance_m": 542.0,
   "midpoint_distance_m": 532.0,
   "start_elevation_m": 332.9210212001189,
   "end_elevation_m": 338.93412718365033,
   "start_xy": [
    602023.0465944954,
    4467177.064118246
   ],
   "end_xy": [
    602024.3443240994,
    4467157.109192188
   ]
  },
  "max_25m": {
   "gradient_pct": 29.576916094946455,
   "start_distance_m": 517.0,
   "end_distance_m": 542.0,
   "midpoint_distance_m": 529.5,
   "start_elevation_m": 331.5398981599137,
   "end_elevation_m": 338.93412718365033,
   "start_xy": [
    602022.8479260325,
    4467182.06016977
   ],
   "end_xy": [
    602024.3443240994,
    4467157.109192188
   ]
  },
  "max_50m": {
   "gradient_pct": 28.289067163740356,
   "start_distance_m": 512.0,
   "end_distance_m": 562.0,
   "midpoint_distance_m": 537.0,
   "start_elevation_m": 330.1581922885533,
   "end_elevation_m": 344.3027258704235,
   "start_xy": [
    602022.6492575695,
    4467187.056221295
   ],
   "end_xy": [
    602025.8734982286,
    4467137.167737214
   ]
  },
  "max_100m": {
   "gradient_pct": 25.169038605471595,
   "start_distance_m": 477.0,
   "end_distance_m": 577.0,
   "midpoint_distance_m": 527.0,
   "start_elevation_m": 322.3844876664941,
   "end_elevation_m": 347.5535262719657,
   "start_xy": [
    602021.2585783286,
    4467222.028581971
   ],
   "end_xy": [
    602027.0203788257,
    4467122.211645983
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.4220990011974664,
   "start_distance_m": 190.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 192.5,
   "start_elevation_m": 278.15603767567006,
   "end_elevation_m": 278.0349327256102,
   "start_xy": [
    601872.4242560264,
    4467195.908165848
   ],
   "end_xy": [
    601872.0440824061,
    4467190.922639996
   ]
  },
  "min_10m": {
   "gradient_pct": -2.410265313287141,
   "start_distance_m": 185.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 190.0,
   "start_elevation_m": 278.2759592569389,
   "end_elevation_m": 278.0349327256102,
   "start_xy": [
    601872.8044296467,
    4467200.8936917
   ],
   "end_xy": [
    601872.0440824061,
    4467190.922639996
   ]
  },
  "min_20m": {
   "gradient_pct": -2.0071893793880236,
   "start_distance_m": 179.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 189.0,
   "start_elevation_m": 278.3765984321319,
   "end_elevation_m": 277.9751605562543,
   "start_xy": [
    601873.2606379911,
    4467206.876322722
   ],
   "end_xy": [
    601871.8480282606,
    4467186.930571775
   ]
  },
  "min_25m": {
   "gradient_pct": -1.9510457115763984,
   "start_distance_m": 185.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 197.5,
   "start_elevation_m": 278.2759592569389,
   "end_elevation_m": 277.7881978290448,
   "start_xy": [
    601872.8044296467,
    4467200.8936917
   ],
   "end_xy": [
    601873.3604489779,
    4467179.263697372
   ]
  },
  "min_50m": {
   "gradient_pct": -1.0310941684416548,
   "start_distance_m": 162.0,
   "end_distance_m": 212.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 278.304602378324,
   "end_elevation_m": 277.78905529410315,
   "start_xy": [
    601876.3480950721,
    4467223.497942854
   ],
   "end_xy": [
    601874.8129883196,
    4467180.638517164
   ]
  },
  "min_100m": {
   "gradient_pct": 2.478387072994167,
   "start_distance_m": 113.0,
   "end_distance_m": 213.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 275.35697808762586,
   "end_elevation_m": 277.83536516062003,
   "start_xy": [
    601894.1382072212,
    4467269.065465259
   ],
   "end_xy": [
    601875.5392579903,
    4467181.32592706
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.59047219789295,
   "start_distance_m": 532.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 533.0,
   "start_elevation_m": 335.9027515942962,
   "end_elevation_m": 336.55456103825406,
   "start_xy": [
    602023.5797370346,
    4467167.079919675
   ],
   "end_xy": [
    602023.7326544476,
    4467165.085774178
   ]
  },
  "max_3m": {
   "gradient_pct": 32.24788330403877,
   "start_distance_m": 532.0,
   "end_distance_m": 535.0,
   "midpoint_distance_m": 533.5,
   "start_elevation_m": 335.9027515942962,
   "end_elevation_m": 336.87018809341737,
   "start_xy": [
    602023.5797370346,
    4467167.079919675
   ],
   "end_xy": [
    602023.8091131541,
    4467164.088701429
   ]
  }
 },
 "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": [
   "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x60y447_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T15:28:47+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-band1.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_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x60y447"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_WesternPA_2019_D20: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "White Oak",
  "county": "Pennsylvania"
 }
}