{
 "ocl_version": "0.1.0",
 "name": "Jackson Street",
 "slug": "jackson-street-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.290275493777358,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 253.0,
   "end_distance_m": 255.0,
   "start_elevation_m": 266.2100874566921,
   "end_elevation_m": 266.69589296656767,
   "min_gradient_pct": 0.4232091811715577
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.12888462828846,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 252.0,
   "end_distance_m": 255.0,
   "start_elevation_m": 265.972026427719,
   "end_elevation_m": 266.69589296656767,
   "min_gradient_pct": 0.800699995874273
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.043625261105035,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 250.0,
   "end_distance_m": 255.0,
   "start_elevation_m": 265.4937117035124,
   "end_elevation_m": 266.69589296656767,
   "min_gradient_pct": 1.2239516196160594
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.805462633415004,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 249.0,
   "end_distance_m": 259.0,
   "start_elevation_m": 265.2596574328306,
   "end_elevation_m": 267.6402036961721,
   "min_gradient_pct": 3.1589854644838056
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.886953164085924,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 245.0,
   "end_distance_m": 265.0,
   "start_elevation_m": 264.3573720315739,
   "end_elevation_m": 268.9347626643911,
   "min_gradient_pct": 5.204648465667532
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.336806633760034,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 244.0,
   "end_distance_m": 269.0,
   "start_elevation_m": 264.156053163321,
   "end_elevation_m": 269.740254821761,
   "min_gradient_pct": 5.8574744016508475
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.964615753276007,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 242.0,
   "end_distance_m": 292.0,
   "start_elevation_m": 263.8289730122788,
   "end_elevation_m": 273.8112808889168,
   "min_gradient_pct": 7.152329239403343
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.311501913049483,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 239.0,
   "end_distance_m": 339.0,
   "start_elevation_m": 263.4467188624467,
   "end_elevation_m": 279.75822077549617,
   "min_gradient_pct": 9.548531872149738
  }
 ],
 "shape": {
  "ascent_concentration": 0.363,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 116.0,
  "shape_class": "sustained"
 },
 "length_m": 386.62831969990015,
 "start_elevation_m": 239.3275936674701,
 "end_elevation_m": 283.4169477225929,
 "endpoint_gain_m": 44.08935405512281,
 "overall_gradient_pct": 11.40355007862457,
 "accumulated_ascent_m": 44.092634722573735,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.043625261105035,
   "start_distance_m": 250.0,
   "end_distance_m": 255.0,
   "midpoint_distance_m": 252.5,
   "start_elevation_m": 265.4937117035124,
   "end_elevation_m": 266.69589296656767,
   "start_xy": [
    576749.5237485089,
    4471548.501549254
   ],
   "end_xy": [
    576744.615531345,
    4471547.5479223505
   ]
  },
  "max_10m": {
   "gradient_pct": 23.805462633415004,
   "start_distance_m": 249.0,
   "end_distance_m": 259.0,
   "midpoint_distance_m": 254.0,
   "start_elevation_m": 265.2596574328306,
   "end_elevation_m": 267.6402036961721,
   "start_xy": [
    576750.5053919416,
    4471548.692274635
   ],
   "end_xy": [
    576740.6889576138,
    4471546.785020827
   ]
  },
  "max_20m": {
   "gradient_pct": 22.886953164085924,
   "start_distance_m": 245.0,
   "end_distance_m": 265.0,
   "midpoint_distance_m": 255.0,
   "start_elevation_m": 264.3573720315739,
   "end_elevation_m": 268.9347626643911,
   "start_xy": [
    576754.4319656729,
    4471549.455176158
   ],
   "end_xy": [
    576734.799097017,
    4471545.640668543
   ]
  },
  "max_25m": {
   "gradient_pct": 22.336806633760034,
   "start_distance_m": 244.0,
   "end_distance_m": 269.0,
   "midpoint_distance_m": 256.5,
   "start_elevation_m": 264.156053163321,
   "end_elevation_m": 269.740254821761,
   "start_xy": [
    576755.4136091056,
    4471549.645901538
   ],
   "end_xy": [
    576730.8725232859,
    4471544.87776702
   ]
  },
  "max_50m": {
   "gradient_pct": 19.964615753276007,
   "start_distance_m": 242.0,
   "end_distance_m": 292.0,
   "midpoint_distance_m": 267.0,
   "start_elevation_m": 263.8289730122788,
   "end_elevation_m": 273.8112808889168,
   "start_xy": [
    576757.3768959712,
    4471550.0273523005
   ],
   "end_xy": [
    576708.2947243318,
    4471540.4910832625
   ]
  },
  "max_100m": {
   "gradient_pct": 16.311501913049483,
   "start_distance_m": 239.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 289.0,
   "start_elevation_m": 263.4467188624467,
   "end_elevation_m": 279.75822077549617,
   "start_xy": [
    576760.3218262696,
    4471550.599528442
   ],
   "end_xy": [
    576662.92666637,
    4471529.104070966
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.2239516196160594,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 239.35251574216906,
   "end_elevation_m": 239.41371332314986,
   "start_xy": [
    576718.4746875487,
    4471782.3693447
   ],
   "end_xy": [
    576719.4781252923,
    4471777.471068198
   ]
  },
  "min_10m": {
   "gradient_pct": 3.1589854644838056,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 239.3275936674701,
   "end_elevation_m": 239.64349221391848,
   "start_xy": [
    576718.274,
    4471783.349
   ],
   "end_xy": [
    576720.2808754873,
    4471773.552446996
   ]
  },
  "min_20m": {
   "gradient_pct": 5.204648465667532,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 239.3275936674701,
   "end_elevation_m": 240.3685233606036,
   "start_xy": [
    576718.274,
    4471783.349
   ],
   "end_xy": [
    576722.2877509744,
    4471763.75589399
   ]
  },
  "min_25m": {
   "gradient_pct": 5.8574744016508475,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 239.3275936674701,
   "end_elevation_m": 240.7919622678828,
   "start_xy": [
    576718.274,
    4471783.349
   ],
   "end_xy": [
    576723.291188718,
    4471758.857617488
   ]
  },
  "min_50m": {
   "gradient_pct": 7.152329239403343,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 239.3275936674701,
   "end_elevation_m": 242.90375828717177,
   "start_xy": [
    576718.274,
    4471783.349
   ],
   "end_xy": [
    576728.3365641707,
    4471734.37229645
   ]
  },
  "min_100m": {
   "gradient_pct": 9.548531872149738,
   "start_distance_m": 140.0,
   "end_distance_m": 240.0,
   "midpoint_distance_m": 190.0,
   "start_elevation_m": 254.00652647916723,
   "end_elevation_m": 263.555058351317,
   "start_xy": [
    576745.4900493213,
    4471646.059030918
   ],
   "end_xy": [
    576759.3401828367,
    4471550.408803062
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.290275493777358,
   "start_distance_m": 253.0,
   "end_distance_m": 255.0,
   "midpoint_distance_m": 254.0,
   "start_elevation_m": 266.2100874566921,
   "end_elevation_m": 266.69589296656767,
   "start_xy": [
    576746.5788182105,
    4471547.929373112
   ],
   "end_xy": [
    576744.615531345,
    4471547.5479223505
   ]
  },
  "max_3m": {
   "gradient_pct": 24.12888462828846,
   "start_distance_m": 252.0,
   "end_distance_m": 255.0,
   "midpoint_distance_m": 253.5,
   "start_elevation_m": 265.972026427719,
   "end_elevation_m": 266.69589296656767,
   "start_xy": [
    576747.5604616434,
    4471548.120098493
   ],
   "end_xy": [
    576744.615531345,
    4471547.5479223505
   ]
  }
 },
 "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x57y448_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T10:31:28+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": [
   "x57y448"
  ],
  "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": "Heidelberg",
  "county": "Pennsylvania"
 }
}