{
 "ocl_version": "0.1.0",
 "name": "Ridgewood Street",
 "slug": "ridgewood-street",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 11.528189614230655,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 29.0,
   "end_distance_m": 31.0,
   "start_elevation_m": 301.9291876050641,
   "end_elevation_m": 302.1597513973487,
   "min_gradient_pct": 3.3336158433741048,
   "suppressed_max_gradient_pct": 58.828833107770606,
   "suppressed_location_m": [
    1.0,
    3.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 11.303118176465432,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 29.0,
   "end_distance_m": 32.0,
   "start_elevation_m": 301.9291876050641,
   "end_elevation_m": 302.26828115035806,
   "min_gradient_pct": 3.8289048890968993,
   "suppressed_max_gradient_pct": 56.56005555754101,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 11.186809368018658,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 28.0,
   "end_distance_m": 33.0,
   "start_elevation_m": 301.8233716782131,
   "end_elevation_m": 302.38271214661404,
   "min_gradient_pct": 4.48419386268597,
   "suppressed_max_gradient_pct": 49.89332789586797,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 10.708295099923362,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 28.0,
   "end_distance_m": 38.0,
   "start_elevation_m": 301.8233716782131,
   "end_elevation_m": 302.89420118820544,
   "min_gradient_pct": 4.888222171276766,
   "suppressed_max_gradient_pct": 34.652707629039696,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 10.145655945974568,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 243.0,
   "end_distance_m": 263.0,
   "start_elevation_m": 319.44495599653465,
   "end_elevation_m": 321.47408718572956,
   "min_gradient_pct": 5.715678663112271,
   "suppressed_max_gradient_pct": 25.705640236472505,
   "suppressed_location_m": [
    0.0,
    20.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 10.055932962234237,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 247.0,
   "end_distance_m": 272.0,
   "start_elevation_m": 319.84837099008837,
   "end_elevation_m": 322.36235423064693,
   "min_gradient_pct": 6.032924076231893,
   "suppressed_max_gradient_pct": 22.818193173892723,
   "suppressed_location_m": [
    0.0,
    25.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 9.987965556302242,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 233.0,
   "end_distance_m": 283.0,
   "start_elevation_m": 318.48340449915804,
   "end_elevation_m": 323.47738727730916,
   "min_gradient_pct": 6.780791422941206,
   "suppressed_max_gradient_pct": 16.246335910141397,
   "suppressed_location_m": [
    0.0,
    50.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 8.799563330538888,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 28.0,
   "end_distance_m": 128.0,
   "start_elevation_m": 301.8233716782131,
   "end_elevation_m": 310.622935008752,
   "min_gradient_pct": 7.445048525231016,
   "suppressed_max_gradient_pct": 12.405685405341103,
   "suppressed_location_m": [
    0.0,
    100.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.356,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 41.0,
  "shape_class": "sustained"
 },
 "length_m": 312.9711037242168,
 "start_elevation_m": 295.79905557787004,
 "end_elevation_m": 325.3727565002466,
 "endpoint_gain_m": 29.573700922376588,
 "overall_gradient_pct": 9.449339114845657,
 "accumulated_ascent_m": 29.573700922376588,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 11.186809368018658,
   "start_distance_m": 28.0,
   "end_distance_m": 33.0,
   "midpoint_distance_m": 30.5,
   "start_elevation_m": 301.8233716782131,
   "end_elevation_m": 302.38271214661404,
   "start_xy": [
    583372.7333228113,
    4479534.525185794
   ],
   "end_xy": [
    583377.066579073,
    4479537.019757736
   ]
  },
  "max_10m": {
   "gradient_pct": 10.708295099923362,
   "start_distance_m": 28.0,
   "end_distance_m": 38.0,
   "midpoint_distance_m": 33.0,
   "start_elevation_m": 301.8233716782131,
   "end_elevation_m": 302.89420118820544,
   "start_xy": [
    583372.7333228113,
    4479534.525185794
   ],
   "end_xy": [
    583381.4000184005,
    4479539.514010603
   ]
  },
  "max_20m": {
   "gradient_pct": 10.145655945974568,
   "start_distance_m": 243.0,
   "end_distance_m": 263.0,
   "midpoint_distance_m": 253.0,
   "start_elevation_m": 319.44495599653465,
   "end_elevation_m": 321.47408718572956,
   "start_xy": [
    583554.383489661,
    4479647.502526579
   ],
   "end_xy": [
    583573.3200350129,
    4479653.937367729
   ]
  },
  "max_25m": {
   "gradient_pct": 10.055932962234237,
   "start_distance_m": 247.0,
   "end_distance_m": 272.0,
   "midpoint_distance_m": 259.5,
   "start_elevation_m": 319.84837099008837,
   "end_elevation_m": 322.36235423064693,
   "start_xy": [
    583558.1707569417,
    4479648.78961746
   ],
   "end_xy": [
    583581.8416392871,
    4479656.832577456
   ]
  },
  "max_50m": {
   "gradient_pct": 9.987965556302242,
   "start_distance_m": 233.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 258.0,
   "start_elevation_m": 318.48340449915804,
   "end_elevation_m": 323.47738727730916,
   "start_xy": [
    583544.9151171508,
    4479644.285399918
   ],
   "end_xy": [
    583592.4259073414,
    4479659.704140726
   ]
  },
  "max_100m": {
   "gradient_pct": 8.799563330538888,
   "start_distance_m": 28.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 78.0,
   "start_elevation_m": 301.8233716782131,
   "end_elevation_m": 310.622935008752,
   "start_xy": [
    583372.7333228113,
    4479534.525185794
   ],
   "end_xy": [
    583455.4607868794,
    4479590.641545646
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 4.48419386268597,
   "start_distance_m": 307.0,
   "end_distance_m": 312.0,
   "midpoint_distance_m": 309.5,
   "start_elevation_m": 325.121164256568,
   "end_elevation_m": 325.3453739497023,
   "start_xy": [
    583615.7556768802,
    4479657.411497587
   ],
   "end_xy": [
    583620.5614835599,
    4479656.031562141
   ]
  },
  "min_10m": {
   "gradient_pct": 4.888222171276766,
   "start_distance_m": 302.0,
   "end_distance_m": 312.0,
   "midpoint_distance_m": 307.0,
   "start_elevation_m": 324.85655173257464,
   "end_elevation_m": 325.3453739497023,
   "start_xy": [
    583610.9498725947,
    4479658.791441377
   ],
   "end_xy": [
    583620.5614835599,
    4479656.031562141
   ]
  },
  "min_20m": {
   "gradient_pct": 5.715678663112271,
   "start_distance_m": 292.0,
   "end_distance_m": 312.0,
   "midpoint_distance_m": 302.0,
   "start_elevation_m": 324.20223821707987,
   "end_elevation_m": 325.3453739497023,
   "start_xy": [
    583601.3062624144,
    4479661.166719159
   ],
   "end_xy": [
    583620.5614835599,
    4479656.031562141
   ]
  },
  "min_25m": {
   "gradient_pct": 6.032924076231893,
   "start_distance_m": 287.0,
   "end_distance_m": 312.0,
   "midpoint_distance_m": 299.5,
   "start_elevation_m": 323.83714293064435,
   "end_elevation_m": 325.3453739497023,
   "start_xy": [
    583596.3727453372,
    4479660.354113972
   ],
   "end_xy": [
    583620.5614835599,
    4479656.031562141
   ]
  },
  "min_50m": {
   "gradient_pct": 6.780791422941206,
   "start_distance_m": 177.0,
   "end_distance_m": 227.0,
   "midpoint_distance_m": 202.0,
   "start_elevation_m": 314.60792202032314,
   "end_elevation_m": 317.99831773179375,
   "start_xy": [
    583495.7395227588,
    4479618.545362497
   ],
   "end_xy": [
    583539.2343165686,
    4479642.354467724
   ]
  },
  "min_100m": {
   "gradient_pct": 7.445048525231016,
   "start_distance_m": 128.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 178.0,
   "start_elevation_m": 310.622935008752,
   "end_elevation_m": 318.067983533983,
   "start_xy": [
    583455.4607868794,
    4479590.641545646
   ],
   "end_xy": [
    583540.181082772,
    4479642.676389696
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 11.528189614230655,
   "start_distance_m": 29.0,
   "end_distance_m": 31.0,
   "midpoint_distance_m": 30.0,
   "start_elevation_m": 301.9291876050641,
   "end_elevation_m": 302.1597513973487,
   "start_xy": [
    583373.600023851,
    4479535.024013728
   ],
   "end_xy": [
    583375.3331769934,
    4479536.022101868
   ]
  },
  "max_3m": {
   "gradient_pct": 11.303118176465432,
   "start_distance_m": 29.0,
   "end_distance_m": 32.0,
   "midpoint_distance_m": 30.5,
   "start_elevation_m": 301.9291876050641,
   "end_elevation_m": 302.26828115035806,
   "start_xy": [
    583373.600023851,
    4479535.024013728
   ],
   "end_xy": [
    583376.1998780331,
    4479536.520929802
   ]
  }
 },
 "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": 0.089,
   "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": 22.82,
     "reason": "edge-step"
    },
    {
     "window_m": 20.0,
     "start_m": 0.0,
     "end_m": 20.0,
     "raw_pct": 25.71,
     "reason": "edge-step"
    },
    {
     "window_m": 10.0,
     "start_m": 0.0,
     "end_m": 10.0,
     "raw_pct": 34.65,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 0.0,
     "end_m": 5.0,
     "raw_pct": 49.89,
     "reason": "short-step"
    }
   ],
   "advisory": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    27.0
   ]
  ],
  "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x58y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-11T22:39:43+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": [
   "x58y448"
  ],
  "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": "Pittsburgh",
  "county": "Pennsylvania"
 }
}