{
 "ocl_version": "0.1.0",
 "name": "West Union Street",
 "slug": "west-union-street",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.746932323641204,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 653.0,
   "end_distance_m": 655.0,
   "start_elevation_m": 688.5013392210387,
   "end_elevation_m": 689.0362778675116,
   "min_gradient_pct": -4.50953292779559,
   "suppressed_max_gradient_pct": 27.77745382155672,
   "suppressed_location_m": [
    636.0,
    638.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.449772681061706,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 653.0,
   "end_distance_m": 656.0,
   "start_elevation_m": 688.5013392210387,
   "end_elevation_m": 689.2648324014706,
   "min_gradient_pct": -4.519271678028265,
   "suppressed_max_gradient_pct": 27.22275486404821,
   "suppressed_location_m": [
    623.0,
    626.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.13836893136113,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 651.0,
   "end_distance_m": 656.0,
   "start_elevation_m": 688.1079139549025,
   "end_elevation_m": 689.2648324014706,
   "min_gradient_pct": -4.403065311717,
   "suppressed_max_gradient_pct": 26.002363945835896,
   "suppressed_location_m": [
    623.0,
    628.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.639799498188722,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 646.0,
   "end_distance_m": 656.0,
   "start_elevation_m": 687.2008524516517,
   "end_elevation_m": 689.2648324014706,
   "min_gradient_pct": -3.5921635132183383,
   "suppressed_max_gradient_pct": 25.932033103292724,
   "suppressed_location_m": [
    623.0,
    633.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.159713265162054,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 641.0,
   "end_distance_m": 661.0,
   "start_elevation_m": 686.2817762605005,
   "end_elevation_m": 689.9137189135329,
   "min_gradient_pct": -2.5605743335552233,
   "suppressed_max_gradient_pct": 24.971361172370052,
   "suppressed_location_m": [
    618.0,
    638.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.5102105678734,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 768.0,
   "end_distance_m": 793.0,
   "start_elevation_m": 700.4053474043187,
   "end_elevation_m": 704.7829000462871,
   "min_gradient_pct": -2.110931282697493,
   "suppressed_max_gradient_pct": 24.406254232246283,
   "suppressed_location_m": [
    613.0,
    638.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.59993805630279,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 747.0,
   "end_distance_m": 797.0,
   "start_elevation_m": 697.9841487896903,
   "end_elevation_m": 705.2841178178417,
   "min_gradient_pct": -0.3183952028086878,
   "suppressed_max_gradient_pct": 21.687540176947778,
   "suppressed_location_m": [
    608.0,
    658.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.045376090270224,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 714.0,
   "end_distance_m": 814.0,
   "start_elevation_m": 694.7341813986205,
   "end_elevation_m": 706.7795574888908,
   "min_gradient_pct": 1.1506674197999018,
   "suppressed_max_gradient_pct": 17.01475989884557,
   "suppressed_location_m": [
    571.0,
    671.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.47,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 105.0,
  "shape_class": "stepped"
 },
 "length_m": 818.8109313453875,
 "start_elevation_m": 646.4344173049959,
 "end_elevation_m": 707.0822680021366,
 "endpoint_gain_m": 60.64785069714071,
 "overall_gradient_pct": 7.40681986224711,
 "accumulated_ascent_m": 61.17987673779453,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.13836893136113,
   "start_distance_m": 651.0,
   "end_distance_m": 656.0,
   "midpoint_distance_m": 653.5,
   "start_elevation_m": 688.1079139549025,
   "end_elevation_m": 689.2648324014706,
   "start_xy": [
    662889.527307768,
    4430637.437579022
   ],
   "end_xy": [
    662889.7064516752,
    4430642.39413417
   ]
  },
  "max_10m": {
   "gradient_pct": 20.639799498188722,
   "start_distance_m": 646.0,
   "end_distance_m": 656.0,
   "midpoint_distance_m": 651.0,
   "start_elevation_m": 687.2008524516517,
   "end_elevation_m": 689.2648324014706,
   "start_xy": [
    662889.8943259408,
    4430632.451068068
   ],
   "end_xy": [
    662889.7064516752,
    4430642.39413417
   ]
  },
  "max_20m": {
   "gradient_pct": 18.159713265162054,
   "start_distance_m": 641.0,
   "end_distance_m": 661.0,
   "midpoint_distance_m": 651.0,
   "start_elevation_m": 686.2817762605005,
   "end_elevation_m": 689.9137189135329,
   "start_xy": [
    662890.2613095823,
    4430627.464554553
   ],
   "end_xy": [
    662890.8001564869,
    4430647.273048508
   ]
  },
  "max_25m": {
   "gradient_pct": 17.5102105678734,
   "start_distance_m": 768.0,
   "end_distance_m": 793.0,
   "midpoint_distance_m": 780.5,
   "start_elevation_m": 700.4053474043187,
   "end_elevation_m": 704.7829000462871,
   "start_xy": [
    662893.0324577949,
    4430753.629261838
   ],
   "end_xy": [
    662891.6354613685,
    4430778.590198086
   ]
  },
  "max_50m": {
   "gradient_pct": 14.59993805630279,
   "start_distance_m": 747.0,
   "end_distance_m": 797.0,
   "midpoint_distance_m": 772.0,
   "start_elevation_m": 697.9841487896903,
   "end_elevation_m": 705.2841178178417,
   "start_xy": [
    662894.2064665852,
    4430732.662105025
   ],
   "end_xy": [
    662891.4114613379,
    4430782.583921158
   ]
  },
  "max_100m": {
   "gradient_pct": 12.045376090270224,
   "start_distance_m": 714.0,
   "end_distance_m": 814.0,
   "midpoint_distance_m": 764.0,
   "start_elevation_m": 694.7341813986205,
   "end_elevation_m": 706.7795574888908,
   "start_xy": [
    662896.0507519278,
    4430699.713683202
   ],
   "end_xy": [
    662885.3359626259,
    4430798.40207656
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.403065311717,
   "start_distance_m": 547.0,
   "end_distance_m": 552.0,
   "midpoint_distance_m": 549.5,
   "start_elevation_m": 673.0196702103904,
   "end_elevation_m": 672.7995169448045,
   "start_xy": [
    662906.9696447029,
    4430544.124995736
   ],
   "end_xy": [
    662901.9700421578,
    4430544.062000548
   ]
  },
  "min_10m": {
   "gradient_pct": -3.5921635132183383,
   "start_distance_m": 543.0,
   "end_distance_m": 553.0,
   "midpoint_distance_m": 548.0,
   "start_elevation_m": 673.1231919787293,
   "end_elevation_m": 672.7639756274075,
   "start_xy": [
    662910.9693190791,
    4430544.176004148
   ],
   "end_xy": [
    662900.970126647,
    4430544.049001646
   ]
  },
  "min_20m": {
   "gradient_pct": -2.5605743335552233,
   "start_distance_m": 533.0,
   "end_distance_m": 553.0,
   "midpoint_distance_m": 543.0,
   "start_elevation_m": 673.2760904941185,
   "end_elevation_m": 672.7639756274075,
   "start_xy": [
    662920.9685116739,
    4430544.30299414
   ],
   "end_xy": [
    662900.970126647,
    4430544.049001646
   ]
  },
  "min_25m": {
   "gradient_pct": -2.110931282697493,
   "start_distance_m": 529.0,
   "end_distance_m": 554.0,
   "midpoint_distance_m": 541.5,
   "start_elevation_m": 673.2879374278806,
   "end_elevation_m": 672.7602046072062,
   "start_xy": [
    662924.9681860517,
    4430544.354002419
   ],
   "end_xy": [
    662899.9702111364,
    4430544.036002745
   ]
  },
  "min_50m": {
   "gradient_pct": -0.3183952028086878,
   "start_distance_m": 507.0,
   "end_distance_m": 557.0,
   "midpoint_distance_m": 532.0,
   "start_elevation_m": 672.9619648930386,
   "end_elevation_m": 672.8027672916343,
   "start_xy": [
    662946.9664019371,
    4430544.634005224
   ],
   "end_xy": [
    662896.9705532548,
    4430543.9983169725
   ]
  },
  "min_100m": {
   "gradient_pct": 1.1506674197999018,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 646.4344173049959,
   "end_elevation_m": 647.5850847247958,
   "start_xy": [
    663453.875,
    4430553.567
   ],
   "end_xy": [
    663353.893766875,
    4430551.642996737
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.746932323641204,
   "start_distance_m": 653.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 654.0,
   "start_elevation_m": 688.5013392210387,
   "end_elevation_m": 689.0362778675116,
   "start_xy": [
    662889.3803183741,
    4430639.432170014
   ],
   "end_xy": [
    662889.4881409736,
    4430641.418255001
   ]
  },
  "max_3m": {
   "gradient_pct": 25.449772681061706,
   "start_distance_m": 653.0,
   "end_distance_m": 656.0,
   "midpoint_distance_m": 654.5,
   "start_elevation_m": 688.5013392210387,
   "end_elevation_m": 689.2648324014706,
   "start_xy": [
    662889.3803183741,
    4430639.432170014
   ],
   "end_xy": [
    662889.7064516752,
    4430642.39413417
   ]
  }
 },
 "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": 0.037,
   "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": 613.0,
     "end_m": 638.0,
     "raw_pct": 24.41,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 618.0,
     "end_m": 638.0,
     "raw_pct": 24.97,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    611.0,
    640.0
   ]
  ],
  "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_x66y444_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-12T00:03:33+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-us-pa/batch-usa-rchunk00.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": [
   "x66y444"
  ],
  "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": "Somerset",
  "county": "Pennsylvania"
 }
}