{
 "ocl_version": "0.1.0",
 "name": "North 5th Street",
 "slug": "north-5th-street-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.647710758133485,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 348.0,
   "end_distance_m": 350.0,
   "start_elevation_m": 272.76291622853415,
   "end_elevation_m": 273.3958704436968,
   "min_gradient_pct": -1.2679503890439037
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.379232765326986,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 348.0,
   "end_distance_m": 351.0,
   "start_elevation_m": 272.76291622853415,
   "end_elevation_m": 273.70429321149396,
   "min_gradient_pct": -1.0597129528728526
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.118352308054682,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 348.0,
   "end_distance_m": 353.0,
   "start_elevation_m": 272.76291622853415,
   "end_elevation_m": 274.3188338439369,
   "min_gradient_pct": -0.5652475582513716
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.72785026612769,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 355.0,
   "start_elevation_m": 271.88017164137784,
   "end_elevation_m": 274.8529566679906,
   "min_gradient_pct": 0.135942850171773
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.145531608583326,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 336.0,
   "end_distance_m": 356.0,
   "start_elevation_m": 270.2239113607311,
   "end_elevation_m": 275.0530176824478,
   "min_gradient_pct": 0.3115213094820035
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.4656008231118,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 331.0,
   "end_distance_m": 356.0,
   "start_elevation_m": 269.4366174766698,
   "end_elevation_m": 275.0530176824478,
   "min_gradient_pct": 0.3905823788777525
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.333052937153866,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 307.0,
   "end_distance_m": 357.0,
   "start_elevation_m": 266.0185648212114,
   "end_elevation_m": 275.1850912897883,
   "min_gradient_pct": 0.6043526773115104
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.269909047907618,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 257.0,
   "end_distance_m": 357.0,
   "start_elevation_m": 260.9151822418807,
   "end_elevation_m": 275.1850912897883,
   "min_gradient_pct": 1.2018206472258726
  }
 ],
 "shape": {
  "ascent_concentration": 0.461,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 66.0,
  "shape_class": "stepped"
 },
 "length_m": 406.02647342322535,
 "start_elevation_m": 246.8407299140951,
 "end_elevation_m": 278.19792956542915,
 "endpoint_gain_m": 31.357199651334042,
 "overall_gradient_pct": 7.722944611704809,
 "accumulated_ascent_m": 31.439986650997838,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.118352308054682,
   "start_distance_m": 348.0,
   "end_distance_m": 353.0,
   "midpoint_distance_m": 350.5,
   "start_elevation_m": 272.76291622853415,
   "end_elevation_m": 274.3188338439369,
   "start_xy": [
    621599.0543204147,
    4493747.8510764595
   ],
   "end_xy": [
    621603.9775352671,
    4493748.723977093
   ]
  },
  "max_10m": {
   "gradient_pct": 29.72785026612769,
   "start_distance_m": 345.0,
   "end_distance_m": 355.0,
   "midpoint_distance_m": 350.0,
   "start_elevation_m": 271.88017164137784,
   "end_elevation_m": 274.8529566679906,
   "start_xy": [
    621596.1003915032,
    4493747.3273360785
   ],
   "end_xy": [
    621605.9468212081,
    4493749.073137347
   ]
  },
  "max_20m": {
   "gradient_pct": 24.145531608583326,
   "start_distance_m": 336.0,
   "end_distance_m": 356.0,
   "midpoint_distance_m": 346.0,
   "start_elevation_m": 270.2239113607311,
   "end_elevation_m": 275.0530176824478,
   "start_xy": [
    621587.2386047688,
    4493745.756114938
   ],
   "end_xy": [
    621606.9314641786,
    4493749.247717474
   ]
  },
  "max_25m": {
   "gradient_pct": 22.4656008231118,
   "start_distance_m": 331.0,
   "end_distance_m": 356.0,
   "midpoint_distance_m": 343.5,
   "start_elevation_m": 269.4366174766698,
   "end_elevation_m": 275.0530176824478,
   "start_xy": [
    621582.3153899163,
    4493744.883214304
   ],
   "end_xy": [
    621606.9314641786,
    4493749.247717474
   ]
  },
  "max_50m": {
   "gradient_pct": 18.333052937153866,
   "start_distance_m": 307.0,
   "end_distance_m": 357.0,
   "midpoint_distance_m": 332.0,
   "start_elevation_m": 266.0185648212114,
   "end_elevation_m": 275.1850912897883,
   "start_xy": [
    621558.6839586245,
    4493740.693291262
   ],
   "end_xy": [
    621607.9161071491,
    4493749.4222976
   ]
  },
  "max_100m": {
   "gradient_pct": 14.269909047907618,
   "start_distance_m": 257.0,
   "end_distance_m": 357.0,
   "midpoint_distance_m": 307.0,
   "start_elevation_m": 260.9151822418807,
   "end_elevation_m": 275.1850912897883,
   "start_xy": [
    621509.449669878,
    4493731.976366823
   ],
   "end_xy": [
    621607.9161071491,
    4493749.4222976
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.5652475582513716,
   "start_distance_m": 2.0,
   "end_distance_m": 7.0,
   "midpoint_distance_m": 4.5,
   "start_elevation_m": 246.86143574961974,
   "end_elevation_m": 246.83317337170718,
   "start_xy": [
    621257.9917543012,
    4493689.9105364345
   ],
   "end_xy": [
    621262.9461400543,
    4493690.584377521
   ]
  },
  "min_10m": {
   "gradient_pct": 0.135942850171773,
   "start_distance_m": 43.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 48.0,
   "start_elevation_m": 247.18150652422807,
   "end_elevation_m": 247.19510080924525,
   "start_xy": [
    621298.6177174762,
    4493695.436033345
   ],
   "end_xy": [
    621308.5264889823,
    4493696.783715518
   ]
  },
  "min_20m": {
   "gradient_pct": 0.3115213094820035,
   "start_distance_m": 37.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 47.0,
   "start_elevation_m": 247.1522696045685,
   "end_elevation_m": 247.2145738664649,
   "start_xy": [
    621292.6724545725,
    4493694.627424041
   ],
   "end_xy": [
    621312.4899975847,
    4493697.322788388
   ]
  },
  "min_25m": {
   "gradient_pct": 0.3905823788777525,
   "start_distance_m": 31.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 43.5,
   "start_elevation_m": 247.11165142988887,
   "end_elevation_m": 247.2092970246083,
   "start_xy": [
    621286.7271916688,
    4493693.818814737
   ],
   "end_xy": [
    621311.499120434,
    4493697.188020171
   ]
  },
  "min_50m": {
   "gradient_pct": 0.6043526773115104,
   "start_distance_m": 17.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 42.0,
   "start_elevation_m": 246.9903940529277,
   "end_elevation_m": 247.29257039158347,
   "start_xy": [
    621272.8549115603,
    4493691.932059694
   ],
   "end_xy": [
    621322.3774764775,
    4493698.806172974
   ]
  },
  "min_100m": {
   "gradient_pct": 1.2018206472258726,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 246.8407299140951,
   "end_elevation_m": 248.04255056132098,
   "start_xy": [
    621256.01,
    4493689.641
   ],
   "end_xy": [
    621354.8671365038,
    4493704.58734858
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.647710758133485,
   "start_distance_m": 348.0,
   "end_distance_m": 350.0,
   "midpoint_distance_m": 349.0,
   "start_elevation_m": 272.76291622853415,
   "end_elevation_m": 273.3958704436968,
   "start_xy": [
    621599.0543204147,
    4493747.8510764595
   ],
   "end_xy": [
    621601.0236063557,
    4493748.200236713
   ]
  },
  "max_3m": {
   "gradient_pct": 31.379232765326986,
   "start_distance_m": 348.0,
   "end_distance_m": 351.0,
   "midpoint_distance_m": 349.5,
   "start_elevation_m": 272.76291622853415,
   "end_elevation_m": 273.70429321149396,
   "start_xy": [
    621599.0543204147,
    4493747.8510764595
   ],
   "end_xy": [
    621602.0082493261,
    4493748.37481684
   ]
  }
 },
 "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": []
 },
 "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_x62y450_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T15:15:12+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-band2.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": [
   "x62y450"
  ],
  "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": "Apollo",
  "county": "Pennsylvania"
 }
}