{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (41.4176, -78.2387)",
 "slug": "discovered-lane-41-4176-78-2387",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.690888262195926,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 430.0,
   "end_distance_m": 432.0,
   "start_elevation_m": 386.34512998249045,
   "end_elevation_m": 386.97894774773437,
   "min_gradient_pct": -12.854801218946932,
   "suppressed_max_gradient_pct": 74.44375989000775,
   "suppressed_location_m": [
    4.0,
    6.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.422745069206258,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 429.0,
   "end_distance_m": 432.0,
   "start_elevation_m": 386.0962653956582,
   "end_elevation_m": 386.97894774773437,
   "min_gradient_pct": -10.569487955816234,
   "suppressed_max_gradient_pct": 72.16371987056125,
   "suppressed_location_m": [
    3.0,
    6.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.851236138831837,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 428.0,
   "end_distance_m": 433.0,
   "start_elevation_m": 385.9061401919321,
   "end_elevation_m": 387.1987019988737,
   "min_gradient_pct": -6.911133166752279,
   "suppressed_max_gradient_pct": 64.26952508862996,
   "suppressed_location_m": [
    3.0,
    8.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.565433944847882,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 428.0,
   "end_distance_m": 438.0,
   "start_elevation_m": 385.9061401919321,
   "end_elevation_m": 388.26268358641687,
   "min_gradient_pct": -5.190376043678384,
   "suppressed_max_gradient_pct": 53.08516984599464,
   "suppressed_location_m": [
    2.0,
    12.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.74183063183483,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 429.0,
   "end_distance_m": 449.0,
   "start_elevation_m": 386.0962653956582,
   "end_elevation_m": 390.24463152202514,
   "min_gradient_pct": -0.1610286413807671,
   "suppressed_max_gradient_pct": 47.231923196857224,
   "suppressed_location_m": [
    1.0,
    21.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.168490207991,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 316.0,
   "end_distance_m": 341.0,
   "start_elevation_m": 369.4638328008388,
   "end_elevation_m": 374.50595535283657,
   "min_gradient_pct": 0.15647586389559365,
   "suppressed_max_gradient_pct": 39.17701941921746,
   "suppressed_location_m": [
    1.0,
    26.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.968004049929505,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 393.0,
   "end_distance_m": 443.0,
   "start_elevation_m": 380.15815597688294,
   "end_elevation_m": 389.1421580018477,
   "min_gradient_pct": 1.9501060170977098,
   "suppressed_max_gradient_pct": 22.816484028163927,
   "suppressed_location_m": [
    549.0,
    599.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.9737630710178,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 363.0,
   "end_distance_m": 463.0,
   "start_elevation_m": 375.25382935004075,
   "end_elevation_m": 392.22759242105855,
   "min_gradient_pct": 4.24181196734753,
   "suppressed_max_gradient_pct": 18.128313351085183,
   "suppressed_location_m": [
    249.0,
    349.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.319,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 110.0,
  "shape_class": "sustained"
 },
 "length_m": 689.3552797166375,
 "start_elevation_m": 329.4136466027761,
 "end_elevation_m": 417.35898025889617,
 "endpoint_gain_m": 87.94533365612006,
 "overall_gradient_pct": 12.757620960308069,
 "accumulated_ascent_m": 89.86026839588692,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.851236138831837,
   "start_distance_m": 428.0,
   "end_distance_m": 433.0,
   "midpoint_distance_m": 430.5,
   "start_elevation_m": 385.9061401919321,
   "end_elevation_m": 387.1987019988737,
   "start_xy": [
    731005.5336729564,
    4588790.183817283
   ],
   "end_xy": [
    731000.7293502155,
    4588788.7987242555
   ]
  },
  "max_10m": {
   "gradient_pct": 23.565433944847882,
   "start_distance_m": 428.0,
   "end_distance_m": 438.0,
   "midpoint_distance_m": 433.0,
   "start_elevation_m": 385.9061401919321,
   "end_elevation_m": 388.26268358641687,
   "start_xy": [
    731005.5336729564,
    4588790.183817283
   ],
   "end_xy": [
    730995.9252943047,
    4588787.41270814
   ]
  },
  "max_20m": {
   "gradient_pct": 20.74183063183483,
   "start_distance_m": 429.0,
   "end_distance_m": 449.0,
   "midpoint_distance_m": 439.0,
   "start_elevation_m": 386.0962653956582,
   "end_elevation_m": 390.24463152202514,
   "start_xy": [
    731004.5727958732,
    4588789.906842143
   ],
   "end_xy": [
    730985.3563025859,
    4588784.363710526
   ]
  },
  "max_25m": {
   "gradient_pct": 20.168490207991,
   "start_distance_m": 316.0,
   "end_distance_m": 341.0,
   "midpoint_distance_m": 328.5,
   "start_elevation_m": 369.4638328008388,
   "end_elevation_m": 374.50595535283657,
   "start_xy": [
    731114.1638397658,
    4588816.344297712
   ],
   "end_xy": [
    731089.3733695629,
    4588813.114361931
   ]
  },
  "max_50m": {
   "gradient_pct": 17.968004049929505,
   "start_distance_m": 393.0,
   "end_distance_m": 443.0,
   "midpoint_distance_m": 418.0,
   "start_elevation_m": 380.15815597688294,
   "end_elevation_m": 389.1421580018477,
   "start_xy": [
    731039.1624089336,
    4588799.884741181
   ],
   "end_xy": [
    730991.1212383942,
    4588786.0266920235
   ]
  },
  "max_100m": {
   "gradient_pct": 16.9737630710178,
   "start_distance_m": 363.0,
   "end_distance_m": 463.0,
   "midpoint_distance_m": 413.0,
   "start_elevation_m": 375.25382935004075,
   "end_elevation_m": 392.22759242105855,
   "start_xy": [
    731067.9870989586,
    4588808.199614475
   ],
   "end_xy": [
    730971.904670918,
    4588780.483816695
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.911133166752279,
   "start_distance_m": 353.0,
   "end_distance_m": 358.0,
   "midpoint_distance_m": 355.5,
   "start_elevation_m": 375.7407840348925,
   "end_elevation_m": 375.3952273765549,
   "start_xy": [
    731077.595467908,
    4588810.970758179
   ],
   "end_xy": [
    731072.7914117408,
    4588809.584741989
   ]
  },
  "min_10m": {
   "gradient_pct": -5.190376043678384,
   "start_distance_m": 352.0,
   "end_distance_m": 362.0,
   "midpoint_distance_m": 357.0,
   "start_elevation_m": 375.7304897089248,
   "end_elevation_m": 375.21145210455694,
   "start_xy": [
    731078.5563478052,
    4588811.247723562
   ],
   "end_xy": [
    731068.9479688975,
    4588808.476614344
   ]
  },
  "min_20m": {
   "gradient_pct": -0.1610286413807671,
   "start_distance_m": 34.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 44.0,
   "start_elevation_m": 339.59283091804616,
   "end_elevation_m": 339.56062518977,
   "start_xy": [
    731393.7995279013,
    4588852.78422039
   ],
   "end_xy": [
    731373.9672722293,
    4588850.199349261
   ]
  },
  "min_25m": {
   "gradient_pct": 0.15647586389559365,
   "start_distance_m": 35.0,
   "end_distance_m": 60.0,
   "midpoint_distance_m": 47.5,
   "start_elevation_m": 339.5881274140176,
   "end_elevation_m": 339.6272463799915,
   "start_xy": [
    731392.8080010422,
    4588852.654318684
   ],
   "end_xy": [
    731368.0175470059,
    4588849.42425964
   ]
  },
  "min_50m": {
   "gradient_pct": 1.9501060170977098,
   "start_distance_m": 34.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 59.0,
   "start_elevation_m": 339.59283091804616,
   "end_elevation_m": 340.567883926595,
   "start_xy": [
    731393.7995279013,
    4588852.78422039
   ],
   "end_xy": [
    731344.2187314027,
    4588846.323247058
   ]
  },
  "min_100m": {
   "gradient_pct": 4.24181196734753,
   "start_distance_m": 24.0,
   "end_distance_m": 124.0,
   "midpoint_distance_m": 74.0,
   "start_elevation_m": 339.02214903496446,
   "end_elevation_m": 343.263961002312,
   "start_xy": [
    731403.7157096451,
    4588854.076244208
   ],
   "end_xy": [
    731304.5541123523,
    4588841.15432845
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.690888262195926,
   "start_distance_m": 430.0,
   "end_distance_m": 432.0,
   "midpoint_distance_m": 431.0,
   "start_elevation_m": 386.34512998249045,
   "end_elevation_m": 386.97894774773437,
   "start_xy": [
    731003.6119899082,
    4588789.6296204
   ],
   "end_xy": [
    731001.690230113,
    4588789.075689637
   ]
  },
  "max_3m": {
   "gradient_pct": 29.422745069206258,
   "start_distance_m": 429.0,
   "end_distance_m": 432.0,
   "midpoint_distance_m": 430.5,
   "start_elevation_m": 386.0962653956582,
   "end_elevation_m": 386.97894774773437,
   "start_xy": [
    731004.5727958732,
    4588789.906842143
   ],
   "end_xy": [
    731001.690230113,
    4588789.075689637
   ]
  }
 },
 "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": 0.02,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.116,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 550.0,
     "end_m": 575.0,
     "raw_pct": 31.36,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 550.0,
     "end_m": 570.0,
     "raw_pct": 34.91,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 557.0,
     "end_m": 567.0,
     "raw_pct": 38.38,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 561.0,
     "end_m": 566.0,
     "raw_pct": 42.23,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 272.0,
     "end_m": 297.0,
     "raw_pct": 22.32,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 276.0,
     "end_m": 296.0,
     "raw_pct": 23.69,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 9.0,
     "end_m": 14.0,
     "raw_pct": 41.35,
     "reason": "hump+mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1.0,
    20.0
   ],
   [
    270.0,
    299.0
   ],
   [
    548.0,
    577.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "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_x73y459_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-12T01:14:40+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-pa/batch-usa-rchunk05.pbf",
  "osm_snapshot": "",
  "run_id": "texture-us-pa-260912",
  "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": [
   "x73y459"
  ],
  "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": "Lumber",
  "county": "Pennsylvania"
 }
}