{
 "ocl_version": "0.1.0",
 "name": "Hill Street",
 "slug": "hill-street-7",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.11606846237453,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 368.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 336.9697416822757,
   "end_elevation_m": 337.4320630515232,
   "min_gradient_pct": -20.85574665989327,
   "suppressed_max_gradient_pct": 28.517060018515394,
   "suppressed_location_m": [
    348.0,
    350.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.182720849952904,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 367.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 337.4320630515232,
   "min_gradient_pct": -20.45248518118304,
   "suppressed_max_gradient_pct": 27.94836899484494,
   "suppressed_location_m": [
    347.0,
    350.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.763027126958377,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 367.0,
   "end_distance_m": 372.0,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 337.8747327823725,
   "min_gradient_pct": -19.95118042924787,
   "suppressed_max_gradient_pct": 27.40875056173877,
   "suppressed_location_m": [
    345.0,
    350.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.15175052382199,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 295.0,
   "end_distance_m": 305.0,
   "start_elevation_m": 323.40023967059875,
   "end_elevation_m": 325.51541472298095,
   "min_gradient_pct": -19.05247129436418,
   "suppressed_max_gradient_pct": 26.766109193285956,
   "suppressed_location_m": [
    345.0,
    355.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.74080302488943,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 291.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 322.6917889557707,
   "end_elevation_m": 326.63994956074856,
   "min_gradient_pct": -17.133624754070524,
   "suppressed_max_gradient_pct": 26.235691694163847,
   "suppressed_location_m": [
    342.0,
    362.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.776536469127677,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 289.0,
   "end_distance_m": 314.0,
   "start_elevation_m": 322.40041280262665,
   "end_elevation_m": 327.09454691990857,
   "min_gradient_pct": -16.112573294349886,
   "suppressed_max_gradient_pct": 25.849593481910006,
   "suppressed_location_m": [
    339.0,
    364.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.536139554093552,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 367.0,
   "end_distance_m": 417.0,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 345.0046512030714,
   "min_gradient_pct": -7.564220145549825,
   "suppressed_max_gradient_pct": 22.825040351487246,
   "suppressed_location_m": [
    335.0,
    385.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.290583271109085,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 367.0,
   "end_distance_m": 467.0,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 350.0271646971337,
   "min_gradient_pct": 0.9481522140109178,
   "suppressed_max_gradient_pct": 18.565694282796528,
   "suppressed_location_m": [
    294.0,
    394.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.509,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 91.0,
  "shape_class": "stepped"
 },
 "length_m": 735.4689017125098,
 "start_elevation_m": 313.5527663378897,
 "end_elevation_m": 362.7255541169489,
 "endpoint_gain_m": 49.172787779059206,
 "overall_gradient_pct": 6.685909854864338,
 "accumulated_ascent_m": 55.914990168825454,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.763027126958377,
   "start_distance_m": 367.0,
   "end_distance_m": 372.0,
   "midpoint_distance_m": 369.5,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 337.8747327823725,
   "start_xy": [
    593358.4242239197,
    4471133.271993899
   ],
   "end_xy": [
    593360.2630611332,
    4471128.622405289
   ]
  },
  "max_10m": {
   "gradient_pct": 21.15175052382199,
   "start_distance_m": 295.0,
   "end_distance_m": 305.0,
   "midpoint_distance_m": 300.0,
   "start_elevation_m": 323.40023967059875,
   "end_elevation_m": 325.51541472298095,
   "start_xy": [
    593331.1601158761,
    4471199.881096962
   ],
   "end_xy": [
    593334.7746989256,
    4471190.5572152
   ]
  },
  "max_20m": {
   "gradient_pct": 19.74080302488943,
   "start_distance_m": 291.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 301.0,
   "start_elevation_m": 322.6917889557707,
   "end_elevation_m": 326.63994956074856,
   "start_xy": [
    593329.7142882127,
    4471203.610652038
   ],
   "end_xy": [
    593336.9815668911,
    4471184.978909529
   ]
  },
  "max_25m": {
   "gradient_pct": 18.776536469127677,
   "start_distance_m": 289.0,
   "end_distance_m": 314.0,
   "midpoint_distance_m": 301.5,
   "start_elevation_m": 322.40041280262665,
   "end_elevation_m": 327.09454691990857,
   "start_xy": [
    593328.9912417842,
    4471205.475377882
   ],
   "end_xy": [
    593338.2705522999,
    4471182.26994017
   ]
  },
  "max_50m": {
   "gradient_pct": 16.536139554093552,
   "start_distance_m": 367.0,
   "end_distance_m": 417.0,
   "midpoint_distance_m": 392.0,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 345.0046512030714,
   "start_xy": [
    593358.4242239197,
    4471133.271993899
   ],
   "end_xy": [
    593376.8193148045,
    4471086.778764217
   ]
  },
  "max_100m": {
   "gradient_pct": 13.290583271109085,
   "start_distance_m": 367.0,
   "end_distance_m": 467.0,
   "midpoint_distance_m": 417.0,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 350.0271646971337,
   "start_xy": [
    593358.4242239197,
    4471133.271993899
   ],
   "end_xy": [
    593395.6540162762,
    4471040.462343768
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -19.95118042924787,
   "start_distance_m": 495.0,
   "end_distance_m": 500.0,
   "midpoint_distance_m": 497.5,
   "start_elevation_m": 348.7673201623564,
   "end_elevation_m": 347.769761140894,
   "start_xy": [
    593406.2501059038,
    4471014.544729982
   ],
   "end_xy": [
    593408.1421792918,
    4471009.9165502
   ]
  },
  "min_10m": {
   "gradient_pct": -19.05247129436418,
   "start_distance_m": 491.0,
   "end_distance_m": 501.0,
   "midpoint_distance_m": 496.0,
   "start_elevation_m": 349.49260317877213,
   "end_elevation_m": 347.5873560493357,
   "start_xy": [
    593404.7361023701,
    4471018.247133089
   ],
   "end_xy": [
    593408.5204492089,
    4471008.990854966
   ]
  },
  "min_20m": {
   "gradient_pct": -17.133624754070524,
   "start_distance_m": 486.0,
   "end_distance_m": 506.0,
   "midpoint_distance_m": 496.0,
   "start_elevation_m": 350.24514019170033,
   "end_elevation_m": 346.8184152408862,
   "start_xy": [
    593402.844028649,
    4471022.875313492
   ],
   "end_xy": [
    593410.412523029,
    4471004.362674605
   ]
  },
  "min_25m": {
   "gradient_pct": -16.112573294349886,
   "start_distance_m": 483.0,
   "end_distance_m": 508.0,
   "midpoint_distance_m": 495.5,
   "start_elevation_m": 350.60370282741434,
   "end_elevation_m": 346.57555950382687,
   "start_xy": [
    593401.7090258307,
    4471025.652320388
   ],
   "end_xy": [
    593411.1695940269,
    4471002.511501138
   ]
  },
  "min_50m": {
   "gradient_pct": -7.564220145549825,
   "start_distance_m": 473.0,
   "end_distance_m": 523.0,
   "midpoint_distance_m": 498.0,
   "start_elevation_m": 350.688345888875,
   "end_elevation_m": 346.9062358161001,
   "start_xy": [
    593397.9245720706,
    4471034.908554783
   ],
   "end_xy": [
    593406.3441287598,
    4470992.815249105
   ]
  },
  "min_100m": {
   "gradient_pct": 0.9481522140109178,
   "start_distance_m": 61.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 111.0,
   "start_elevation_m": 314.2018830122109,
   "end_elevation_m": 315.1500352262218,
   "start_xy": [
    593451.4663575101,
    4471227.872893753
   ],
   "end_xy": [
    593355.5881054929,
    4471256.286968758
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.11606846237453,
   "start_distance_m": 368.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 369.0,
   "start_elevation_m": 336.9697416822757,
   "end_elevation_m": 337.4320630515232,
   "start_xy": [
    593358.7918230649,
    4471132.342009672
   ],
   "end_xy": [
    593359.5271803363,
    4471130.482104042
   ]
  },
  "max_3m": {
   "gradient_pct": 23.182720849952904,
   "start_distance_m": 367.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 368.5,
   "start_elevation_m": 336.7365814260246,
   "end_elevation_m": 337.4320630515232,
   "start_xy": [
    593358.4242239197,
    4471133.271993899
   ],
   "end_xy": [
    593359.5271803363,
    4471130.482104042
   ]
  }
 },
 "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": 0.041,
   "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": 339.0,
     "end_m": 364.0,
     "raw_pct": 25.85,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 342.0,
     "end_m": 362.0,
     "raw_pct": 26.24,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    337.0,
    366.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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_x59y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-12T00:05:37+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": [
   "x59y448"
  ],
  "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": "Munhall",
  "county": "Pennsylvania"
 }
}