{
 "ocl_version": "0.1.0",
 "name": "Hilltop Road",
 "slug": "hilltop-road",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 15.126340821151985,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 674.0,
   "end_distance_m": 676.0,
   "start_elevation_m": 329.41317975599685,
   "end_elevation_m": 329.7157065724199,
   "min_gradient_pct": -10.886424813631379,
   "suppressed_max_gradient_pct": 51.098510770137295,
   "suppressed_location_m": [
    9.0,
    11.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 14.798273835449058,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 673.0,
   "end_distance_m": 676.0,
   "start_elevation_m": 329.2717583573564,
   "end_elevation_m": 329.7157065724199,
   "min_gradient_pct": -10.882815167862722,
   "suppressed_max_gradient_pct": 50.17297611827871,
   "suppressed_location_m": [
    9.0,
    12.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 14.426146694291901,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 671.0,
   "end_distance_m": 676.0,
   "start_elevation_m": 328.9943992377053,
   "end_elevation_m": 329.7157065724199,
   "min_gradient_pct": -10.84964176266567,
   "suppressed_max_gradient_pct": 48.832986340744355,
   "suppressed_location_m": [
    8.0,
    13.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 13.974299116682118,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 666.0,
   "end_distance_m": 676.0,
   "start_elevation_m": 328.3182766607517,
   "end_elevation_m": 329.7157065724199,
   "min_gradient_pct": -10.781119959044076,
   "suppressed_max_gradient_pct": 45.90153780293235,
   "suppressed_location_m": [
    4.0,
    14.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 13.53971665132292,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 662.0,
   "end_distance_m": 682.0,
   "start_elevation_m": 327.7653105971903,
   "end_elevation_m": 330.4732539274549,
   "min_gradient_pct": -10.478623696706677,
   "suppressed_max_gradient_pct": 40.805446529185474,
   "suppressed_location_m": [
    2.0,
    22.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 13.171629418642397,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 657.0,
   "end_distance_m": 682.0,
   "start_elevation_m": 327.1803465727943,
   "end_elevation_m": 330.4732539274549,
   "min_gradient_pct": -10.376289999140454,
   "suppressed_max_gradient_pct": 35.0098764212737,
   "suppressed_location_m": [
    0.0,
    25.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.178176788927999,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 632.0,
   "end_distance_m": 682.0,
   "start_elevation_m": 324.3841655329909,
   "end_elevation_m": 330.4732539274549,
   "min_gradient_pct": -9.931063711638785,
   "suppressed_max_gradient_pct": 20.92770773895188,
   "suppressed_location_m": [
    0.0,
    50.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 11.556144964854013,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 582.0,
   "end_distance_m": 682.0,
   "start_elevation_m": 318.9171089626009,
   "end_elevation_m": 330.4732539274549,
   "min_gradient_pct": -8.571259114053703,
   "suppressed_max_gradient_pct": 15.438645051976607,
   "suppressed_location_m": [
    0.0,
    100.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.425,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 119.0,
  "shape_class": "sustained"
 },
 "length_m": 4416.8732719882955,
 "start_elevation_m": 276.91680288662775,
 "end_elevation_m": 373.42232209777615,
 "endpoint_gain_m": 96.5055192111484,
 "overall_gradient_pct": 2.184928415836245,
 "accumulated_ascent_m": 153.92531800972682,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 14.426146694291901,
   "start_distance_m": 671.0,
   "end_distance_m": 676.0,
   "midpoint_distance_m": 673.5,
   "start_elevation_m": 328.9943992377053,
   "end_elevation_m": 329.7157065724199,
   "start_xy": [
    575945.7566670803,
    4471801.6484624585
   ],
   "end_xy": [
    575940.7594189901,
    4471801.611863074
   ]
  },
  "max_10m": {
   "gradient_pct": 13.974299116682118,
   "start_distance_m": 666.0,
   "end_distance_m": 676.0,
   "midpoint_distance_m": 671.0,
   "start_elevation_m": 328.3182766607517,
   "end_elevation_m": 329.7157065724199,
   "start_xy": [
    575950.7150382133,
    4471801.012845803
   ],
   "end_xy": [
    575940.7594189901,
    4471801.611863074
   ]
  },
  "max_20m": {
   "gradient_pct": 13.53971665132292,
   "start_distance_m": 662.0,
   "end_distance_m": 682.0,
   "midpoint_distance_m": 672.0,
   "start_elevation_m": 327.7653105971903,
   "end_elevation_m": 330.4732539274549,
   "start_xy": [
    575954.598193283,
    4471800.053828467
   ],
   "end_xy": [
    575934.821697131,
    4471800.761714813
   ]
  },
  "max_25m": {
   "gradient_pct": 13.171629418642397,
   "start_distance_m": 657.0,
   "end_distance_m": 682.0,
   "midpoint_distance_m": 669.5,
   "start_elevation_m": 327.1803465727943,
   "end_elevation_m": 330.4732539274549,
   "start_xy": [
    575959.2483847644,
    4471798.245656131
   ],
   "end_xy": [
    575934.821697131,
    4471800.761714813
   ]
  },
  "max_50m": {
   "gradient_pct": 12.178176788927999,
   "start_distance_m": 632.0,
   "end_distance_m": 682.0,
   "midpoint_distance_m": 657.0,
   "start_elevation_m": 324.3841655329909,
   "end_elevation_m": 330.4732539274549,
   "start_xy": [
    575977.45313793,
    4471781.689521926
   ],
   "end_xy": [
    575934.821697131,
    4471800.761714813
   ]
  },
  "max_100m": {
   "gradient_pct": 11.556144964854013,
   "start_distance_m": 582.0,
   "end_distance_m": 682.0,
   "midpoint_distance_m": 632.0,
   "start_elevation_m": 318.9171089626009,
   "end_elevation_m": 330.4732539274549,
   "start_xy": [
    576008.8724040457,
    4471742.897531458
   ],
   "end_xy": [
    575934.821697131,
    4471800.761714813
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -10.84964176266567,
   "start_distance_m": 3247.0,
   "end_distance_m": 3252.0,
   "midpoint_distance_m": 3249.5,
   "start_elevation_m": 346.0321752509942,
   "end_elevation_m": 345.48969316286093,
   "start_xy": [
    573601.1202619293,
    4471375.1301420415
   ],
   "end_xy": [
    573596.1800687485,
    4471374.35911193
   ]
  },
  "min_10m": {
   "gradient_pct": -10.781119959044076,
   "start_distance_m": 3247.0,
   "end_distance_m": 3257.0,
   "midpoint_distance_m": 3252.0,
   "start_elevation_m": 346.0321752509942,
   "end_elevation_m": 344.9540632550898,
   "start_xy": [
    573601.1202619293,
    4471375.1301420415
   ],
   "end_xy": [
    573591.2398518602,
    4471373.588233994
   ]
  },
  "min_20m": {
   "gradient_pct": -10.478623696706677,
   "start_distance_m": 3240.0,
   "end_distance_m": 3260.0,
   "midpoint_distance_m": 3250.0,
   "start_elevation_m": 346.73655719638907,
   "end_elevation_m": 344.64083245704774,
   "start_xy": [
    573608.014320762,
    4471376.3270993335
   ],
   "end_xy": [
    573588.2755674834,
    4471373.126702991
   ]
  },
  "min_25m": {
   "gradient_pct": -10.376289999140454,
   "start_distance_m": 3240.0,
   "end_distance_m": 3265.0,
   "midpoint_distance_m": 3252.5,
   "start_elevation_m": 346.73655719638907,
   "end_elevation_m": 344.14248469660396,
   "start_xy": [
    573608.014320762,
    4471376.3270993335
   ],
   "end_xy": [
    573583.2996639571,
    4471372.653471996
   ]
  },
  "min_50m": {
   "gradient_pct": -9.931063711638785,
   "start_distance_m": 3226.0,
   "end_distance_m": 3276.0,
   "midpoint_distance_m": 3251.0,
   "start_elevation_m": 348.0574544130319,
   "end_elevation_m": 343.0919225572125,
   "start_xy": [
    573621.6571931174,
    4471379.469070008
   ],
   "end_xy": [
    573572.3374548126,
    4471371.742454568
   ]
  },
  "min_100m": {
   "gradient_pct": -8.571259114053703,
   "start_distance_m": 3197.0,
   "end_distance_m": 3297.0,
   "midpoint_distance_m": 3247.0,
   "start_elevation_m": 350.02803874809007,
   "end_elevation_m": 341.45677963403637,
   "start_xy": [
    573649.7845870485,
    4471386.524659444
   ],
   "end_xy": [
    573551.4679398289,
    4471369.439345362
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 15.126340821151985,
   "start_distance_m": 674.0,
   "end_distance_m": 676.0,
   "midpoint_distance_m": 675.0,
   "start_elevation_m": 329.41317975599685,
   "end_elevation_m": 329.7157065724199,
   "start_xy": [
    575942.7567886498,
    4471801.675469902
   ],
   "end_xy": [
    575940.7594189901,
    4471801.611863074
   ]
  },
  "max_3m": {
   "gradient_pct": 14.798273835449058,
   "start_distance_m": 673.0,
   "end_distance_m": 676.0,
   "midpoint_distance_m": 674.5,
   "start_elevation_m": 329.2717583573564,
   "end_elevation_m": 329.7157065724199,
   "start_xy": [
    575943.7567481522,
    4471801.666470267
   ],
   "end_xy": [
    575940.7594189901,
    4471801.611863074
   ]
  }
 },
 "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": 0.006,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 0.0,
     "end_m": 25.0,
     "raw_pct": 35.01,
     "reason": "staircase"
    }
   ],
   "advisory": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    27.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_x57y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-11T22:39:04+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-pa/batch-usa-rchunk02.pbf",
  "osm_snapshot": "",
  "run_id": "texture-us-pa-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, PA_WesternPA_2019_D20 (collected 2020)",
  "elevation_tile_ids": [
   "x57y448"
  ],
  "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": "Collier",
  "county": "Pennsylvania"
 }
}