{
 "ocl_version": "0.1.0",
 "name": "Brenton Drive",
 "slug": "brenton-drive",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 35.21344148641674,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 136.0,
   "end_distance_m": 138.0,
   "start_elevation_m": 538.6718009503367,
   "end_elevation_m": 539.376069780065,
   "min_gradient_pct": -11.334403078006972
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.100935913304816,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 135.0,
   "end_distance_m": 138.0,
   "start_elevation_m": 538.4130417026659,
   "end_elevation_m": 539.376069780065,
   "min_gradient_pct": -10.07092244993828
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.040806214798067,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 134.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 538.1792812089396,
   "end_elevation_m": 539.6313215196795,
   "min_gradient_pct": -7.563345149201268
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.05485246238277,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 129.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 537.3258362734413,
   "end_elevation_m": 539.6313215196795,
   "min_gradient_pct": -6.410709719347096,
   "suppressed_max_gradient_pct": 23.370301522796808,
   "suppressed_location_m": [
    164.0,
    174.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.201508039802775,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 120.0,
   "end_distance_m": 140.0,
   "start_elevation_m": 535.9354734994286,
   "end_elevation_m": 539.7757751073891,
   "min_gradient_pct": -4.450370700261601,
   "suppressed_max_gradient_pct": 22.318734900244408,
   "suppressed_location_m": [
    161.0,
    181.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.940211777065088,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 115.0,
   "end_distance_m": 140.0,
   "start_elevation_m": 535.2907221631228,
   "end_elevation_m": 539.7757751073891,
   "min_gradient_pct": -2.4973790084263783,
   "suppressed_max_gradient_pct": 21.171068471702256,
   "suppressed_location_m": [
    158.0,
    183.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.884928791093898,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 90.0,
   "end_distance_m": 140.0,
   "start_elevation_m": 532.3333107118422,
   "end_elevation_m": 539.7757751073891,
   "min_gradient_pct": 1.3486964947016986,
   "suppressed_max_gradient_pct": 17.557118300725506,
   "suppressed_location_m": [
    150.0,
    200.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.06171522441332,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 264.0,
   "end_distance_m": 364.0,
   "start_elevation_m": 553.3074271102212,
   "end_elevation_m": 565.3691423346345,
   "min_gradient_pct": 5.447164604713407,
   "suppressed_max_gradient_pct": 15.636347619231287,
   "suppressed_location_m": [
    99.0,
    199.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.378,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 78.0,
  "shape_class": "sustained"
 },
 "length_m": 389.31867643750445,
 "start_elevation_m": 527.960478735666,
 "end_elevation_m": 567.514405732111,
 "endpoint_gain_m": 39.55392699644494,
 "overall_gradient_pct": 10.159781533828973,
 "accumulated_ascent_m": 40.79162239505206,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.040806214798067,
   "start_distance_m": 134.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 136.5,
   "start_elevation_m": 538.1792812089396,
   "end_elevation_m": 539.6313215196795,
   "start_xy": [
    682270.5125917526,
    4474068.6141120205
   ],
   "end_xy": [
    682273.9032832424,
    4474064.939440733
   ]
  },
  "max_10m": {
   "gradient_pct": 23.05485246238277,
   "start_distance_m": 129.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 134.0,
   "start_elevation_m": 537.3258362734413,
   "end_elevation_m": 539.6313215196795,
   "start_xy": [
    682267.12243464,
    4474072.289276606
   ],
   "end_xy": [
    682273.9032832424,
    4474064.939440733
   ]
  },
  "max_20m": {
   "gradient_pct": 19.201508039802775,
   "start_distance_m": 120.0,
   "end_distance_m": 140.0,
   "midpoint_distance_m": 130.0,
   "start_elevation_m": 535.9354734994286,
   "end_elevation_m": 539.7757751073891,
   "start_xy": [
    682260.0063909253,
    4474077.734734662
   ],
   "end_xy": [
    682274.5813140933,
    4474064.204407288
   ]
  },
  "max_25m": {
   "gradient_pct": 17.940211777065088,
   "start_distance_m": 115.0,
   "end_distance_m": 140.0,
   "midpoint_distance_m": 127.5,
   "start_elevation_m": 535.2907221631228,
   "end_elevation_m": 539.7757751073891,
   "start_xy": [
    682255.8693607477,
    4474080.542755144
   ],
   "end_xy": [
    682274.5813140933,
    4474064.204407288
   ]
  },
  "max_50m": {
   "gradient_pct": 14.884928791093898,
   "start_distance_m": 90.0,
   "end_distance_m": 140.0,
   "midpoint_distance_m": 115.0,
   "start_elevation_m": 532.3333107118422,
   "end_elevation_m": 539.7757751073891,
   "start_xy": [
    682235.1834295648,
    4474094.581708436
   ],
   "end_xy": [
    682274.5813140933,
    4474064.204407288
   ]
  },
  "max_100m": {
   "gradient_pct": 12.06171522441332,
   "start_distance_m": 264.0,
   "end_distance_m": 364.0,
   "midpoint_distance_m": 314.0,
   "start_elevation_m": 553.3074271102212,
   "end_elevation_m": 565.3691423346345,
   "start_xy": [
    682338.8383425253,
    4473958.863454971
   ],
   "end_xy": [
    682386.7771258256,
    4473871.111437422
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.563345149201268,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 527.9165584829207,
   "end_elevation_m": 527.5383912254606,
   "start_xy": [
    682162.0362626518,
    4474145.26280765
   ],
   "end_xy": [
    682166.0719716375,
    4474142.311020771
   ]
  },
  "min_10m": {
   "gradient_pct": -6.410709719347096,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 527.960478735666,
   "end_elevation_m": 527.3194077637313,
   "start_xy": [
    682161.229,
    4474145.853
   ],
   "end_xy": [
    682169.3008943313,
    4474139.950077255
   ]
  },
  "min_20m": {
   "gradient_pct": -4.450370700261601,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 527.960478735666,
   "end_elevation_m": 527.0704045956137,
   "start_xy": [
    682161.229,
    4474145.853
   ],
   "end_xy": [
    682177.3727891718,
    4474134.047154399
   ]
  },
  "min_25m": {
   "gradient_pct": -2.4973790084263783,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 527.960478735666,
   "end_elevation_m": 527.3361339835594,
   "start_xy": [
    682161.229,
    4474145.853
   ],
   "end_xy": [
    682181.4089749487,
    4474131.096018315
   ]
  },
  "min_50m": {
   "gradient_pct": 1.3486964947016986,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 527.960478735666,
   "end_elevation_m": 528.6348269830169,
   "start_xy": [
    682161.229,
    4474145.853
   ],
   "end_xy": [
    682202.0864078498,
    4474117.044723175
   ]
  },
  "min_100m": {
   "gradient_pct": 5.447164604713407,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 527.960478735666,
   "end_elevation_m": 533.4076433403794,
   "start_xy": [
    682161.229,
    4474145.853
   ],
   "end_xy": [
    682243.457805443,
    4474088.966132054
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 35.21344148641674,
   "start_distance_m": 136.0,
   "end_distance_m": 138.0,
   "midpoint_distance_m": 137.0,
   "start_elevation_m": 538.6718009503367,
   "end_elevation_m": 539.376069780065,
   "start_xy": [
    682271.8691906891,
    4474067.144541067
   ],
   "end_xy": [
    682273.2252523914,
    4474065.674474178
   ]
  },
  "max_3m": {
   "gradient_pct": 32.100935913304816,
   "start_distance_m": 135.0,
   "end_distance_m": 138.0,
   "midpoint_distance_m": 136.5,
   "start_elevation_m": 538.4130417026659,
   "end_elevation_m": 539.376069780065,
   "start_xy": [
    682271.1911598381,
    4474067.879574512
   ],
   "end_xy": [
    682273.2252523914,
    4474065.674474178
   ]
  }
 },
 "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": 0.077,
   "windows_resited": [
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 158.0,
     "end_m": 183.0,
     "raw_pct": 21.17,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 161.0,
     "end_m": 181.0,
     "raw_pct": 22.32,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    156.0,
    185.0
   ]
  ],
  "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_x68y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-12T01:15:44+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-pa/batch-usa-rchunk03.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_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x68y448"
  ],
  "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": "Jackson",
  "county": "Pennsylvania"
 }
}