{
 "ocl_version": "0.1.0",
 "name": "Roseberry Street",
 "slug": "roseberry-street",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.92332021769346,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 358.0,
   "end_distance_m": 360.0,
   "start_elevation_m": 315.58219427793017,
   "end_elevation_m": 316.12066068228404,
   "min_gradient_pct": -6.362571563855113
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.479915775576046,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 357.0,
   "end_distance_m": 360.0,
   "start_elevation_m": 315.32626320901676,
   "end_elevation_m": 316.12066068228404,
   "min_gradient_pct": -6.19412366392756
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.192212964097052,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 358.0,
   "end_distance_m": 363.0,
   "start_elevation_m": 315.58219427793017,
   "end_elevation_m": 316.891804926135,
   "min_gradient_pct": -5.939502111948514
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.83931064303897,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 354.0,
   "end_distance_m": 364.0,
   "start_elevation_m": 314.5679978947758,
   "end_elevation_m": 317.15192895907967,
   "min_gradient_pct": -5.331354085273574
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.377239296780942,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 350.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 313.5800925527742,
   "end_elevation_m": 318.6555404121304,
   "min_gradient_pct": -5.031710543092345
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.024197259286893,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 312.39949109730867,
   "end_elevation_m": 318.6555404121304,
   "min_gradient_pct": -4.97844737600326
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.940047931850245,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 341.0,
   "end_distance_m": 391.0,
   "start_elevation_m": 311.5369225814354,
   "end_elevation_m": 323.00694654736054,
   "min_gradient_pct": -4.712539913261935
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.887938514127995,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 341.0,
   "end_distance_m": 441.0,
   "start_elevation_m": 311.5369225814354,
   "end_elevation_m": 331.4248610955634,
   "min_gradient_pct": -2.9862233919327537
  }
 ],
 "shape": {
  "ascent_concentration": 0.503,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 159.0,
  "shape_class": "stepped"
 },
 "length_m": 754.0706282302257,
 "start_elevation_m": 286.84087355957513,
 "end_elevation_m": 343.72984333368004,
 "endpoint_gain_m": 56.88896977410491,
 "overall_gradient_pct": 7.544249523101184,
 "accumulated_ascent_m": 60.02453651586342,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.192212964097052,
   "start_distance_m": 358.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 360.5,
   "start_elevation_m": 315.58219427793017,
   "end_elevation_m": 316.891804926135,
   "start_xy": [
    581886.6081597962,
    4473868.664639548
   ],
   "end_xy": [
    581889.8080836358,
    4473872.482376805
   ]
  },
  "max_10m": {
   "gradient_pct": 25.83931064303897,
   "start_distance_m": 354.0,
   "end_distance_m": 364.0,
   "midpoint_distance_m": 359.0,
   "start_elevation_m": 314.5679978947758,
   "end_elevation_m": 317.15192895907967,
   "start_xy": [
    581884.2799564304,
    4473865.412029968
   ],
   "end_xy": [
    581890.5219154743,
    4473873.182693952
   ]
  },
  "max_20m": {
   "gradient_pct": 25.377239296780942,
   "start_distance_m": 350.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 360.0,
   "start_elevation_m": 313.5800925527742,
   "end_elevation_m": 318.6555404121304,
   "start_xy": [
    581881.9517530645,
    4473862.159420386
   ],
   "end_xy": [
    581894.8049065059,
    4473877.384596833
   ]
  },
  "max_25m": {
   "gradient_pct": 25.024197259286893,
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 357.5,
   "start_elevation_m": 312.39949109730867,
   "end_elevation_m": 318.6555404121304,
   "start_xy": [
    581879.0414988572,
    4473858.09365841
   ],
   "end_xy": [
    581894.8049065059,
    4473877.384596833
   ]
  },
  "max_50m": {
   "gradient_pct": 22.940047931850245,
   "start_distance_m": 341.0,
   "end_distance_m": 391.0,
   "midpoint_distance_m": 366.0,
   "start_elevation_m": 311.5369225814354,
   "end_elevation_m": 323.00694654736054,
   "start_xy": [
    581876.7132954914,
    4473854.841048828
   ],
   "end_xy": [
    581909.7953751164,
    4473892.091256917
   ]
  },
  "max_100m": {
   "gradient_pct": 19.887938514127995,
   "start_distance_m": 341.0,
   "end_distance_m": 441.0,
   "midpoint_distance_m": 391.0,
   "start_elevation_m": 311.5369225814354,
   "end_elevation_m": 331.4248610955634,
   "start_xy": [
    581876.7132954914,
    4473854.841048828
   ],
   "end_xy": [
    581941.1903054866,
    4473930.850864533
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.939502111948514,
   "start_distance_m": 595.0,
   "end_distance_m": 600.0,
   "midpoint_distance_m": 597.5,
   "start_elevation_m": 337.51631884667023,
   "end_elevation_m": 337.2193437410728,
   "start_xy": [
    582031.774432133,
    4474055.105498821
   ],
   "end_xy": [
    582034.1641923754,
    4474059.497428463
   ]
  },
  "min_10m": {
   "gradient_pct": -5.331354085273574,
   "start_distance_m": 593.0,
   "end_distance_m": 603.0,
   "midpoint_distance_m": 598.0,
   "start_elevation_m": 337.60814406869196,
   "end_elevation_m": 337.0750086601646,
   "start_xy": [
    582030.818528036,
    4474053.348726964
   ],
   "end_xy": [
    582035.2713165595,
    4474062.257681679
   ]
  },
  "min_20m": {
   "gradient_pct": -5.031710543092345,
   "start_distance_m": 555.0,
   "end_distance_m": 575.0,
   "midpoint_distance_m": 565.0,
   "start_elevation_m": 339.35649588482374,
   "end_elevation_m": 338.3501537762053,
   "start_xy": [
    582010.0423537344,
    4474021.695693235
   ],
   "end_xy": [
    582022.2153911631,
    4474037.537780251
   ]
  },
  "min_25m": {
   "gradient_pct": -4.97844737600326,
   "start_distance_m": 560.0,
   "end_distance_m": 585.0,
   "midpoint_distance_m": 572.5,
   "start_elevation_m": 339.1073927139306,
   "end_elevation_m": 337.8627808699298,
   "start_xy": [
    582013.1419280188,
    4474025.619038651
   ],
   "end_xy": [
    582026.9949116481,
    4474046.321639536
   ]
  },
  "min_50m": {
   "gradient_pct": -4.712539913261935,
   "start_distance_m": 553.0,
   "end_distance_m": 603.0,
   "midpoint_distance_m": 578.0,
   "start_elevation_m": 339.43127861679557,
   "end_elevation_m": 337.0750086601646,
   "start_xy": [
    582008.8025240205,
    4474020.126355068
   ],
   "end_xy": [
    582035.2713165595,
    4474062.257681679
   ]
  },
  "min_100m": {
   "gradient_pct": -2.9862233919327537,
   "start_distance_m": 526.0,
   "end_distance_m": 626.0,
   "midpoint_distance_m": 576.0,
   "start_elevation_m": 339.96446714765335,
   "end_elevation_m": 336.9782437557206,
   "start_xy": [
    581992.0648228846,
    4473998.940289821
   ],
   "end_xy": [
    582031.1987990679,
    4474083.069472313
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.92332021769346,
   "start_distance_m": 358.0,
   "end_distance_m": 360.0,
   "midpoint_distance_m": 359.0,
   "start_elevation_m": 315.58219427793017,
   "end_elevation_m": 316.12066068228404,
   "start_xy": [
    581886.6081597962,
    4473868.664639548
   ],
   "end_xy": [
    581887.7722614792,
    4473870.290944339
   ]
  },
  "max_3m": {
   "gradient_pct": 26.479915775576046,
   "start_distance_m": 357.0,
   "end_distance_m": 360.0,
   "midpoint_distance_m": 358.5,
   "start_elevation_m": 315.32626320901676,
   "end_elevation_m": 316.12066068228404,
   "start_xy": [
    581886.0261089548,
    4473867.851487153
   ],
   "end_xy": [
    581887.7722614792,
    4473870.290944339
   ]
  }
 },
 "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": {
  "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": "2026-09-07T11:54:44+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/pennsylvania-2026-09-07-batch-band1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "pa-run4-260907",
  "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"
 }
}