{
 "ocl_version": "0.1.0",
 "name": "Mulberry Alley",
 "slug": "mulberry-alley",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.318465833031496,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 650.0,
   "end_distance_m": 652.0,
   "start_elevation_m": 293.4093287739243,
   "end_elevation_m": 293.81569809058493,
   "min_gradient_pct": -14.929574103868504,
   "suppressed_max_gradient_pct": 21.87914197679106,
   "suppressed_location_m": [
    901.0,
    903.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 19.668777500298045,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 649.0,
   "end_distance_m": 652.0,
   "start_elevation_m": 293.225634765576,
   "end_elevation_m": 293.81569809058493,
   "min_gradient_pct": -14.815206505988954,
   "suppressed_max_gradient_pct": 21.693923326451642,
   "suppressed_location_m": [
    900.0,
    903.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 18.673387092635494,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 647.0,
   "end_distance_m": 652.0,
   "start_elevation_m": 292.88202873595316,
   "end_elevation_m": 293.81569809058493,
   "min_gradient_pct": -14.76461425849493,
   "suppressed_max_gradient_pct": 21.340229573008855,
   "suppressed_location_m": [
    892.0,
    897.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.57617134151019,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 646.0,
   "end_distance_m": 656.0,
   "start_elevation_m": 292.70616877715975,
   "end_elevation_m": 294.46378591131077,
   "min_gradient_pct": -13.969677477041955,
   "suppressed_max_gradient_pct": 21.08984940510254,
   "suppressed_location_m": [
    892.0,
    902.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.654034312644797,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 642.0,
   "end_distance_m": 662.0,
   "start_elevation_m": 292.13467235999394,
   "end_elevation_m": 295.4654792225229,
   "min_gradient_pct": -12.132730222078862,
   "suppressed_max_gradient_pct": 20.500552697067747,
   "suppressed_location_m": [
    888.0,
    908.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.14625437952145,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 640.0,
   "end_distance_m": 665.0,
   "start_elevation_m": 291.85160320650226,
   "end_elevation_m": 295.8881668013826,
   "min_gradient_pct": -11.136523529998613,
   "suppressed_max_gradient_pct": 20.1942851083179,
   "suppressed_location_m": [
    889.0,
    914.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.267189262281704,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 622.0,
   "end_distance_m": 672.0,
   "start_elevation_m": 289.9537482833944,
   "end_elevation_m": 296.58734291453527,
   "min_gradient_pct": -7.5555495969744015,
   "suppressed_max_gradient_pct": 16.53980953899793,
   "suppressed_location_m": [
    884.0,
    934.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 9.71785185534884,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 627.0,
   "end_distance_m": 727.0,
   "start_elevation_m": 290.2822929176035,
   "end_elevation_m": 300.00014477295235,
   "min_gradient_pct": -4.758985150647106,
   "suppressed_max_gradient_pct": 11.917699394557133,
   "suppressed_location_m": [
    847.0,
    947.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.464,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 52.0,
  "shape_class": "stepped"
 },
 "length_m": 965.637700974135,
 "start_elevation_m": 286.5592083374197,
 "end_elevation_m": 309.42773496827283,
 "endpoint_gain_m": 22.868526630853125,
 "overall_gradient_pct": 2.368230507962082,
 "accumulated_ascent_m": 35.85398467070905,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 18.673387092635494,
   "start_distance_m": 647.0,
   "end_distance_m": 652.0,
   "midpoint_distance_m": 649.5,
   "start_elevation_m": 292.88202873595316,
   "end_elevation_m": 293.81569809058493,
   "start_xy": [
    594829.996042982,
    4460696.98019332
   ],
   "end_xy": [
    594828.9160497517,
    4460692.098225035
   ]
  },
  "max_10m": {
   "gradient_pct": 17.57617134151019,
   "start_distance_m": 646.0,
   "end_distance_m": 656.0,
   "midpoint_distance_m": 651.0,
   "start_elevation_m": 292.70616877715975,
   "end_elevation_m": 294.46378591131077,
   "start_xy": [
    594830.213078913,
    4460697.956356935
   ],
   "end_xy": [
    594828.0509756348,
    4460688.192889793
   ]
  },
  "max_20m": {
   "gradient_pct": 16.654034312644797,
   "start_distance_m": 642.0,
   "end_distance_m": 662.0,
   "midpoint_distance_m": 652.0,
   "start_elevation_m": 292.13467235999394,
   "end_elevation_m": 295.4654792225229,
   "start_xy": [
    594831.0769889913,
    4460701.861950257
   ],
   "end_xy": [
    594826.7539464735,
    4460682.3347578915
   ]
  },
  "max_25m": {
   "gradient_pct": 16.14625437952145,
   "start_distance_m": 640.0,
   "end_distance_m": 665.0,
   "midpoint_distance_m": 652.5,
   "start_elevation_m": 291.85160320650226,
   "end_elevation_m": 295.8881668013826,
   "start_xy": [
    594831.5089440463,
    4460703.8147469135
   ],
   "end_xy": [
    594826.1059085182,
    4460679.405586215
   ]
  },
  "max_50m": {
   "gradient_pct": 13.267189262281704,
   "start_distance_m": 622.0,
   "end_distance_m": 672.0,
   "midpoint_distance_m": 647.0,
   "start_elevation_m": 289.9537482833944,
   "end_elevation_m": 296.58734291453527,
   "start_xy": [
    594835.3960075061,
    4460721.390033917
   ],
   "end_xy": [
    594824.5930072302,
    4460672.57103267
   ]
  },
  "max_100m": {
   "gradient_pct": 9.71785185534884,
   "start_distance_m": 627.0,
   "end_distance_m": 727.0,
   "midpoint_distance_m": 677.0,
   "start_elevation_m": 290.2822929176035,
   "end_elevation_m": 300.00014477295235,
   "start_xy": [
    594834.3169679699,
    4460716.507855271
   ],
   "end_xy": [
    594812.711920404,
    4460618.869639976
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -14.76461425849493,
   "start_distance_m": 183.0,
   "end_distance_m": 188.0,
   "midpoint_distance_m": 185.5,
   "start_elevation_m": 290.20262550419636,
   "end_elevation_m": 289.4643947912716,
   "start_xy": [
    594930.2529218108,
    4461150.017644694
   ],
   "end_xy": [
    594929.1779070733,
    4461145.134577723
   ]
  },
  "min_10m": {
   "gradient_pct": -13.969677477041955,
   "start_distance_m": 181.0,
   "end_distance_m": 191.0,
   "midpoint_distance_m": 186.0,
   "start_elevation_m": 290.4565023140654,
   "end_elevation_m": 289.0595345663612,
   "start_xy": [
    594930.6839233463,
    4461151.970651671
   ],
   "end_xy": [
    594928.532939944,
    4461142.2047283575
   ]
  },
  "min_20m": {
   "gradient_pct": -12.132730222078862,
   "start_distance_m": 175.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 185.0,
   "start_elevation_m": 291.1160510084134,
   "end_elevation_m": 288.68950496399765,
   "start_xy": [
    594931.9740669666,
    4461157.830304309
   ],
   "end_xy": [
    594927.6721006465,
    4461138.298457357
   ]
  },
  "min_25m": {
   "gradient_pct": -11.136523529998613,
   "start_distance_m": 174.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 186.5,
   "start_elevation_m": 291.1836339744715,
   "end_elevation_m": 288.39950309197184,
   "start_xy": [
    594932.1889859573,
    4461158.806936188
   ],
   "end_xy": [
    594926.8120049,
    4461134.392022266
   ]
  },
  "min_50m": {
   "gradient_pct": -7.5555495969744015,
   "start_distance_m": 773.0,
   "end_distance_m": 823.0,
   "midpoint_distance_m": 798.0,
   "start_elevation_m": 301.4295024291356,
   "end_elevation_m": 297.6517276306484,
   "start_xy": [
    594802.7718763322,
    4460573.95644321
   ],
   "end_xy": [
    594790.7308207123,
    4460525.435311307
   ]
  },
  "min_100m": {
   "gradient_pct": -4.758985150647106,
   "start_distance_m": 167.0,
   "end_distance_m": 267.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 291.4767460202854,
   "end_elevation_m": 286.7177608696383,
   "start_xy": [
    594933.6950022756,
    4461165.643010342
   ],
   "end_xy": [
    594912.0819166147,
    4461068.006622836
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.318465833031496,
   "start_distance_m": 650.0,
   "end_distance_m": 652.0,
   "midpoint_distance_m": 651.0,
   "start_elevation_m": 293.4093287739243,
   "end_elevation_m": 293.81569809058493,
   "start_xy": [
    594829.3480048008,
    4460694.051021692
   ],
   "end_xy": [
    594828.9160497517,
    4460692.098225035
   ]
  },
  "max_3m": {
   "gradient_pct": 19.668777500298045,
   "start_distance_m": 649.0,
   "end_distance_m": 652.0,
   "midpoint_distance_m": 650.5,
   "start_elevation_m": 293.225634765576,
   "end_elevation_m": 293.81569809058493,
   "start_xy": [
    594829.5640877071,
    4460695.0273967115
   ],
   "end_xy": [
    594828.9160497517,
    4460692.098225035
   ]
  }
 },
 "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": 0.032,
   "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": 889.0,
     "end_m": 914.0,
     "raw_pct": 20.19,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 888.0,
     "end_m": 908.0,
     "raw_pct": 20.5,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    886.0,
    916.0
   ]
  ],
  "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_x59y447_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-12T00:03:34+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-pa/batch-usa-rchunk01.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": [
   "x59y447"
  ],
  "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": "Clairton",
  "county": "Pennsylvania"
 }
}