{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (19.7123, -155.9746)",
 "slug": "discovered-lane-19-7123-155-9746",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.37298193095603,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 543.0,
   "end_distance_m": 545.0,
   "start_elevation_m": 553.8553806004411,
   "end_elevation_m": 554.3828402390602,
   "min_gradient_pct": -11.757084375292948
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.222341158451854,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 511.0,
   "end_distance_m": 514.0,
   "start_elevation_m": 548.6307149558886,
   "end_elevation_m": 549.3573851906422,
   "min_gradient_pct": -9.092677658835177,
   "suppressed_max_gradient_pct": 25.195489858826175,
   "suppressed_location_m": [
    178.0,
    181.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.350742612410613,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 511.0,
   "end_distance_m": 516.0,
   "start_elevation_m": 548.6307149558886,
   "end_elevation_m": 549.7982520865091,
   "min_gradient_pct": -4.45036468286844,
   "suppressed_max_gradient_pct": 24.987016659765686,
   "suppressed_location_m": [
    175.0,
    180.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.458826307832055,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 189.0,
   "end_distance_m": 199.0,
   "start_elevation_m": 511.9099028981382,
   "end_elevation_m": 514.0557855289214,
   "min_gradient_pct": -1.963895635769859,
   "suppressed_max_gradient_pct": 24.324341288900655,
   "suppressed_location_m": [
    175.0,
    185.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.24120278157318,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 475.0,
   "end_distance_m": 495.0,
   "start_elevation_m": 542.2732819100258,
   "end_elevation_m": 546.1215224663405,
   "min_gradient_pct": -1.0299780937600644,
   "suppressed_max_gradient_pct": 23.665044253938845,
   "suppressed_location_m": [
    166.0,
    186.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 19.190257499564268,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 474.0,
   "end_distance_m": 499.0,
   "start_elevation_m": 542.0761176698117,
   "end_elevation_m": 546.8736820447027,
   "min_gradient_pct": -0.43259659885643487,
   "suppressed_max_gradient_pct": 23.302681632344047,
   "suppressed_location_m": [
    161.0,
    186.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.681133788417583,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 449.0,
   "end_distance_m": 499.0,
   "start_elevation_m": 537.5331151504939,
   "end_elevation_m": 546.8736820447027,
   "min_gradient_pct": 0.6806022345881502,
   "suppressed_max_gradient_pct": 21.64968989513227,
   "suppressed_location_m": [
    156.0,
    206.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.97488769980464,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 428.0,
   "end_distance_m": 528.0,
   "start_elevation_m": 534.0068063150545,
   "end_elevation_m": 551.9816940148592,
   "min_gradient_pct": 3.406175659651069
  }
 ],
 "shape": {
  "ascent_concentration": 0.408,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 205.0,
  "shape_class": "sustained"
 },
 "length_m": 623.836789471165,
 "start_elevation_m": 494.99695703124996,
 "end_elevation_m": 561.3913159179699,
 "endpoint_gain_m": 66.39435888671994,
 "overall_gradient_pct": 10.642905325125719,
 "accumulated_ascent_m": 67.78735216792023,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.350742612410613,
   "start_distance_m": 511.0,
   "end_distance_m": 516.0,
   "midpoint_distance_m": 513.5,
   "start_elevation_m": 548.6307149558886,
   "end_elevation_m": 549.7982520865091,
   "start_xy": [
    188167.65533639232,
    2182376.760785394
   ],
   "end_xy": [
    188172.65449641133,
    2182376.6691690646
   ]
  },
  "max_10m": {
   "gradient_pct": 21.458826307832055,
   "start_distance_m": 189.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 194.0,
   "start_elevation_m": 511.9099028981382,
   "end_elevation_m": 514.0557855289214,
   "start_xy": [
    187940.26213185518,
    2182519.6996016325
   ],
   "end_xy": [
    187950.14620729184,
    2182518.220201835
   ]
  },
  "max_20m": {
   "gradient_pct": 19.24120278157318,
   "start_distance_m": 475.0,
   "end_distance_m": 495.0,
   "midpoint_distance_m": 485.0,
   "start_elevation_m": 542.2732819100258,
   "end_elevation_m": 546.1215224663405,
   "start_xy": [
    188131.6613793815,
    2182377.4201643355
   ],
   "end_xy": [
    188151.65802100435,
    2182377.053779601
   ]
  },
  "max_25m": {
   "gradient_pct": 19.190257499564268,
   "start_distance_m": 474.0,
   "end_distance_m": 499.0,
   "midpoint_distance_m": 486.5,
   "start_elevation_m": 542.0761176698117,
   "end_elevation_m": 546.8736820447027,
   "start_xy": [
    188130.66154146518,
    2182377.4381682537
   ],
   "end_xy": [
    188155.6573430791,
    2182376.98016499
   ]
  },
  "max_50m": {
   "gradient_pct": 18.681133788417583,
   "start_distance_m": 449.0,
   "end_distance_m": 499.0,
   "midpoint_distance_m": 474.0,
   "start_elevation_m": 537.5331151504939,
   "end_elevation_m": 546.8736820447027,
   "start_xy": [
    188105.66573976525,
    2182377.896164684
   ],
   "end_xy": [
    188155.6573430791,
    2182376.98016499
   ]
  },
  "max_100m": {
   "gradient_pct": 17.97488769980464,
   "start_distance_m": 428.0,
   "end_distance_m": 528.0,
   "midpoint_distance_m": 478.0,
   "start_elevation_m": 534.0068063150545,
   "end_elevation_m": 551.9816940148592,
   "start_xy": [
    188084.66925287398,
    2182378.2801554482
   ],
   "end_xy": [
    188184.6388524127,
    2182376.082326739
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.45036468286844,
   "start_distance_m": 85.0,
   "end_distance_m": 90.0,
   "midpoint_distance_m": 87.5,
   "start_elevation_m": 502.60584545806273,
   "end_elevation_m": 502.3833272239193,
   "start_xy": [
    187897.40244357416,
    2182455.0371899125
   ],
   "end_xy": [
    187897.77843175104,
    2182460.023032744
   ]
  },
  "min_10m": {
   "gradient_pct": -1.963895635769859,
   "start_distance_m": 306.0,
   "end_distance_m": 316.0,
   "midpoint_distance_m": 311.0,
   "start_elevation_m": 520.7030366944705,
   "end_elevation_m": 520.5066471308935,
   "start_xy": [
    187989.21325482253,
    2182421.66019378
   ],
   "end_xy": [
    187992.54027260334,
    2182412.232824193
   ]
  },
  "min_20m": {
   "gradient_pct": -1.0299780937600644,
   "start_distance_m": 301.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 311.0,
   "start_elevation_m": 520.7335651650246,
   "end_elevation_m": 520.5275695462726,
   "start_xy": [
    187987.62722110958,
    2182426.4019752904
   ],
   "end_xy": [
    187994.37198469488,
    2182407.580424178
   ]
  },
  "min_25m": {
   "gradient_pct": -0.43259659885643487,
   "start_distance_m": 300.0,
   "end_distance_m": 325.0,
   "midpoint_distance_m": 312.5,
   "start_elevation_m": 520.7048580352405,
   "end_elevation_m": 520.5967088855264,
   "start_xy": [
    187987.3101891628,
    2182427.3503901376
   ],
   "end_xy": [
    187995.83728368982,
    2182403.858476525
   ]
  },
  "min_50m": {
   "gradient_pct": 0.6806022345881502,
   "start_distance_m": 299.0,
   "end_distance_m": 349.0,
   "midpoint_distance_m": 324.0,
   "start_elevation_m": 520.7000122070312,
   "end_elevation_m": 521.0403133243253,
   "start_xy": [
    187986.9932658678,
    2182428.298841298
   ],
   "end_xy": [
    188006.14624909117,
    2182383.0195909184
   ]
  },
  "min_100m": {
   "gradient_pct": 3.406175659651069,
   "start_distance_m": 54.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 104.0,
   "start_elevation_m": 500.854331354895,
   "end_elevation_m": 504.2605070145461,
   "start_xy": [
    187884.72247157793,
    2182427.4605631027
   ],
   "end_xy": [
    187905.29899324442,
    2182521.1261041486
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.37298193095603,
   "start_distance_m": 543.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 544.0,
   "start_elevation_m": 553.8553806004411,
   "end_elevation_m": 554.3828402390602,
   "start_xy": [
    188199.61480475642,
    2182375.233329458
   ],
   "end_xy": [
    188201.61157534918,
    2182375.119722503
   ]
  },
  "max_3m": {
   "gradient_pct": 24.222341158451854,
   "start_distance_m": 511.0,
   "end_distance_m": 514.0,
   "midpoint_distance_m": 512.5,
   "start_elevation_m": 548.6307149558886,
   "end_elevation_m": 549.3573851906422,
   "start_xy": [
    188167.65533639232,
    2182376.760785394
   ],
   "end_xy": [
    188170.65483180192,
    2182376.705783196
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.048,
   "windows_resited": [
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 161.0,
     "end_m": 186.0,
     "raw_pct": 23.3,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 166.0,
     "end_m": 186.0,
     "raw_pct": 23.67,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 175.0,
     "end_m": 185.0,
     "raw_pct": 24.32,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    159.0,
    188.0
   ]
  ],
  "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:26905",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/hi-east/USGS_1M_5_x18y219_HI_Hawaii_Island_Lidar_NOAA_2017_B17.tif"
  ],
  "calculated_at": "2026-09-12T00:59:54+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/hawaii-2026-09-08-batch.osm.pbf",
  "osm_snapshot": "2026-09-07T20:21:20Z",
  "run_id": "texture-us-hi-260911",
  "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, HI_Hawaii_Island_Lidar_NOAA_2017_B17 (collected 2017)",
  "elevation_tile_ids": [
   "x18y219"
  ],
  "climb_origin": "discovered",
  "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"
 },
 "area": {
  "place": "North Kona",
  "county": "Hawaii"
 }
}