{
 "ocl_version": "0.1.0",
 "name": "North 10th Street",
 "slug": "north-10th-street-4",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.547557194538626,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 314.0,
   "end_distance_m": 316.0,
   "start_elevation_m": 268.25966493825393,
   "end_elevation_m": 268.7306160821447,
   "min_gradient_pct": -2.3507753916135243
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.25885010047462,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 313.0,
   "end_distance_m": 316.0,
   "start_elevation_m": 268.03285057913047,
   "end_elevation_m": 268.7306160821447,
   "min_gradient_pct": -2.0157063818307583
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.49182030169095,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 313.0,
   "end_distance_m": 318.0,
   "start_elevation_m": 268.03285057913047,
   "end_elevation_m": 269.157441594215,
   "min_gradient_pct": -1.819258304967093
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.169919722842906,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 311.0,
   "end_distance_m": 321.0,
   "start_elevation_m": 267.6263916127058,
   "end_elevation_m": 269.8433835849901,
   "min_gradient_pct": -1.4335243798706188
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.78628748949626,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 301.0,
   "end_distance_m": 321.0,
   "start_elevation_m": 265.6861260870908,
   "end_elevation_m": 269.8433835849901,
   "min_gradient_pct": -0.6572174319006763
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.531805459704856,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 296.0,
   "end_distance_m": 321.0,
   "start_elevation_m": 264.71043222006386,
   "end_elevation_m": 269.8433835849901,
   "min_gradient_pct": -0.5503352432265274
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.934331173851774,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 271.0,
   "end_distance_m": 321.0,
   "start_elevation_m": 259.8762179980642,
   "end_elevation_m": 269.8433835849901,
   "min_gradient_pct": -0.05798545068836347
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.415657606765222,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 222.0,
   "end_distance_m": 322.0,
   "start_elevation_m": 253.6144299977844,
   "end_elevation_m": 270.03008760454964,
   "min_gradient_pct": 3.544583854252153
  }
 ],
 "shape": {
  "ascent_concentration": 0.374,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 93.0,
  "shape_class": "sustained"
 },
 "length_m": 326.2452125881051,
 "start_elevation_m": 234.06920577743648,
 "end_elevation_m": 270.5568587895687,
 "endpoint_gain_m": 36.48765301213223,
 "overall_gradient_pct": 11.184119062675425,
 "accumulated_ascent_m": 36.725696490794405,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.49182030169095,
   "start_distance_m": 313.0,
   "end_distance_m": 318.0,
   "midpoint_distance_m": 315.5,
   "start_elevation_m": 268.03285057913047,
   "end_elevation_m": 269.157441594215,
   "start_xy": [
    397900.09733145963,
    4504921.965159574
   ],
   "end_xy": [
    397897.3313207239,
    4504926.106078383
   ]
  },
  "max_10m": {
   "gradient_pct": 22.169919722842906,
   "start_distance_m": 311.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 316.0,
   "start_elevation_m": 267.6263916127058,
   "end_elevation_m": 269.8433835849901,
   "start_xy": [
    397900.90230153204,
    4504920.134306444
   ],
   "end_xy": [
    397895.55126205174,
    4504928.520905731
   ]
  },
  "max_20m": {
   "gradient_pct": 20.78628748949626,
   "start_distance_m": 301.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 311.0,
   "start_elevation_m": 265.6861260870908,
   "end_elevation_m": 269.8433835849901,
   "start_xy": [
    397904.927151894,
    4504910.980040796
   ],
   "end_xy": [
    397895.55126205174,
    4504928.520905731
   ]
  },
  "max_25m": {
   "gradient_pct": 20.531805459704856,
   "start_distance_m": 296.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 308.5,
   "start_elevation_m": 264.71043222006386,
   "end_elevation_m": 269.8433835849901,
   "start_xy": [
    397906.939577075,
    4504906.402907971
   ],
   "end_xy": [
    397895.55126205174,
    4504928.520905731
   ]
  },
  "max_50m": {
   "gradient_pct": 19.934331173851774,
   "start_distance_m": 271.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 296.0,
   "start_elevation_m": 259.8762179980642,
   "end_elevation_m": 269.8433835849901,
   "start_xy": [
    397917.00170297996,
    4504883.51724385
   ],
   "end_xy": [
    397895.55126205174,
    4504928.520905731
   ]
  },
  "max_100m": {
   "gradient_pct": 16.415657606765222,
   "start_distance_m": 222.0,
   "end_distance_m": 322.0,
   "midpoint_distance_m": 272.0,
   "start_elevation_m": 253.6144299977844,
   "end_elevation_m": 270.03008760454964,
   "start_xy": [
    397935.5865793625,
    4504838.182078618
   ],
   "end_xy": [
    397894.957909161,
    4504929.325848181
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.819258304967093,
   "start_distance_m": 123.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 125.5,
   "start_elevation_m": 248.71521433855645,
   "end_elevation_m": 248.6242514233081,
   "start_xy": [
    397975.1318745779,
    4504747.455467362
   ],
   "end_xy": [
    397973.06272923754,
    4504752.007240375
   ]
  },
  "min_10m": {
   "gradient_pct": -1.4335243798706188,
   "start_distance_m": 123.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 248.71521433855645,
   "end_elevation_m": 248.5718619005694,
   "start_xy": [
    397975.1318745779,
    4504747.455467362
   ],
   "end_xy": [
    397970.99358389725,
    4504756.559013387
   ]
  },
  "min_20m": {
   "gradient_pct": -0.6572174319006763,
   "start_distance_m": 123.0,
   "end_distance_m": 143.0,
   "midpoint_distance_m": 133.0,
   "start_elevation_m": 248.71521433855645,
   "end_elevation_m": 248.58377085217631,
   "start_xy": [
    397975.1318745779,
    4504747.455467362
   ],
   "end_xy": [
    397966.95181461703,
    4504765.704282037
   ]
  },
  "min_25m": {
   "gradient_pct": -0.5503352432265274,
   "start_distance_m": 123.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 135.5,
   "start_elevation_m": 248.71521433855645,
   "end_elevation_m": 248.57763052774982,
   "start_xy": [
    397975.1318745779,
    4504747.455467362
   ],
   "end_xy": [
    397965.0538492242,
    4504770.330049797
   ]
  },
  "min_50m": {
   "gradient_pct": -0.05798545068836347,
   "start_distance_m": 123.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 148.0,
   "start_elevation_m": 248.71521433855645,
   "end_elevation_m": 248.68622161321227,
   "start_xy": [
    397975.1318745779,
    4504747.455467362
   ],
   "end_xy": [
    397955.56402225996,
    4504793.458888596
   ]
  },
  "min_100m": {
   "gradient_pct": 3.544583854252153,
   "start_distance_m": 101.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 151.0,
   "start_elevation_m": 246.8679478839133,
   "end_elevation_m": 250.41253173816546,
   "start_xy": [
    397993.43893571885,
    4504744.365127734
   ],
   "end_xy": [
    397944.2103832211,
    4504819.044592555
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.547557194538626,
   "start_distance_m": 314.0,
   "end_distance_m": 316.0,
   "midpoint_distance_m": 315.0,
   "start_elevation_m": 268.25966493825393,
   "end_elevation_m": 268.7306160821447,
   "start_xy": [
    397899.69484642346,
    4504922.880586139
   ],
   "end_xy": [
    397898.5180265054,
    4504924.4961934835
   ]
  },
  "max_3m": {
   "gradient_pct": 23.25885010047462,
   "start_distance_m": 313.0,
   "end_distance_m": 316.0,
   "midpoint_distance_m": 314.5,
   "start_elevation_m": 268.03285057913047,
   "end_elevation_m": 268.7306160821447,
   "start_xy": [
    397900.09733145963,
    4504921.965159574
   ],
   "end_xy": [
    397898.5180265054,
    4504924.4961934835
   ]
  }
 },
 "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_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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa/USGS_1M_18_x39y451_PA_3_County_South_Central_2018_D18.tif"
  ],
  "calculated_at": "2026-09-07T10:22:45+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-band4.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_3_County_South_Central_2018_D18 (collected 2018)",
  "elevation_tile_ids": [
   "x39y451"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_3_County_South_Central_2018_D18: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Pottsville",
  "county": "Pennsylvania"
 }
}