{
 "ocl_version": "0.1.0",
 "name": "East Elm Street",
 "slug": "east-elm-street-4",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.41389356321133,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 17.0,
   "end_distance_m": 19.0,
   "start_elevation_m": 311.3827119531271,
   "end_elevation_m": 311.89098982439134,
   "min_gradient_pct": -8.675341683590432
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.258439725143944,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 17.0,
   "end_distance_m": 20.0,
   "start_elevation_m": 311.3827119531271,
   "end_elevation_m": 312.14046514488143,
   "min_gradient_pct": -8.606551319708919
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.655770129556913,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 15.0,
   "end_distance_m": 20.0,
   "start_elevation_m": 310.9076766384036,
   "end_elevation_m": 312.14046514488143,
   "min_gradient_pct": -8.452567288869659
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.87877652939494,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 15.0,
   "end_distance_m": 25.0,
   "start_elevation_m": 310.9076766384036,
   "end_elevation_m": 313.2955542913431,
   "min_gradient_pct": -8.350350680015595
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.924187908821523,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "start_elevation_m": 309.60613564618416,
   "end_elevation_m": 314.19097322794846,
   "min_gradient_pct": -7.890426662532661
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.310739586628188,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8.0,
   "end_distance_m": 33.0,
   "start_elevation_m": 309.4088200998083,
   "end_elevation_m": 314.9865049964653,
   "min_gradient_pct": -7.496837645121332
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.376698633985256,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 309.089503896906,
   "end_elevation_m": 318.27785321389865,
   "min_gradient_pct": -5.780552200568195
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.564658834343106,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "start_elevation_m": 309.089503896906,
   "end_elevation_m": 324.65416273124913,
   "min_gradient_pct": -5.275667868351434
  }
 ],
 "shape": {
  "ascent_concentration": 0.354,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 225.0,
  "shape_class": "sustained"
 },
 "length_m": 1777.0183029143795,
 "start_elevation_m": 308.6587986031536,
 "end_elevation_m": 432.8420302430735,
 "endpoint_gain_m": 124.18323163991988,
 "overall_gradient_pct": 6.988292210398425,
 "accumulated_ascent_m": 133.3357522752915,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.655770129556913,
   "start_distance_m": 15.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 17.5,
   "start_elevation_m": 310.9076766384036,
   "end_elevation_m": 312.14046514488143,
   "start_xy": [
    445288.56677741936,
    4582215.10660154
   ],
   "end_xy": [
    445292.3887032258,
    4582211.882802053
   ]
  },
  "max_10m": {
   "gradient_pct": 23.87877652939494,
   "start_distance_m": 15.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 20.0,
   "start_elevation_m": 310.9076766384036,
   "end_elevation_m": 313.2955542913431,
   "start_xy": [
    445288.56677741936,
    4582215.10660154
   ],
   "end_xy": [
    445296.2106290323,
    4582208.659002567
   ]
  },
  "max_20m": {
   "gradient_pct": 22.924187908821523,
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 309.60613564618416,
   "end_elevation_m": 314.19097322794846,
   "start_xy": [
    445283.9804664516,
    4582218.975160924
   ],
   "end_xy": [
    445299.2681696774,
    4582206.079962977
   ]
  },
  "max_25m": {
   "gradient_pct": 22.310739586628188,
   "start_distance_m": 8.0,
   "end_distance_m": 33.0,
   "midpoint_distance_m": 20.5,
   "start_elevation_m": 309.4088200998083,
   "end_elevation_m": 314.9865049964653,
   "start_xy": [
    445283.21608129033,
    4582219.619920821
   ],
   "end_xy": [
    445302.3257103226,
    4582203.500923388
   ]
  },
  "max_50m": {
   "gradient_pct": 18.376698633985256,
   "start_distance_m": 6.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 31.0,
   "start_elevation_m": 309.089503896906,
   "end_elevation_m": 318.27785321389865,
   "start_xy": [
    445281.68731096777,
    4582220.909440616
   ],
   "end_xy": [
    445319.90656903223,
    4582188.67144575
   ]
  },
  "max_100m": {
   "gradient_pct": 15.564658834343106,
   "start_distance_m": 6.0,
   "end_distance_m": 106.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 309.089503896906,
   "end_elevation_m": 324.65416273124913,
   "start_xy": [
    445281.68731096777,
    4582220.909440616
   ],
   "end_xy": [
    445358.2923148916,
    4582156.631873175
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.452567288869659,
   "start_distance_m": 1544.0,
   "end_distance_m": 1549.0,
   "midpoint_distance_m": 1546.5,
   "start_elevation_m": 429.79564382941413,
   "end_elevation_m": 429.37301546497065,
   "start_xy": [
    446022.345249011,
    4581260.414668832
   ],
   "end_xy": [
    446026.516734788,
    4581257.658093709
   ]
  },
  "min_10m": {
   "gradient_pct": -8.350350680015595,
   "start_distance_m": 1545.0,
   "end_distance_m": 1555.0,
   "midpoint_distance_m": 1550.0,
   "start_elevation_m": 429.71453286766825,
   "end_elevation_m": 428.8794977996667,
   "start_xy": [
    446023.17954616644,
    4581259.8633538075
   ],
   "end_xy": [
    446031.5225177204,
    4581254.350203561
   ]
  },
  "min_20m": {
   "gradient_pct": -7.890426662532661,
   "start_distance_m": 1540.0,
   "end_distance_m": 1560.0,
   "midpoint_distance_m": 1550.0,
   "start_elevation_m": 430.0899339917635,
   "end_elevation_m": 428.51184865925694,
   "start_xy": [
    446019.0075157126,
    4581262.61910441
   ],
   "end_xy": [
    446035.6940034974,
    4581251.593628436
   ]
  },
  "min_25m": {
   "gradient_pct": -7.496837645121332,
   "start_distance_m": 1538.0,
   "end_distance_m": 1563.0,
   "midpoint_distance_m": 1550.5,
   "start_elevation_m": 430.2062660624592,
   "end_elevation_m": 428.33205665117885,
   "start_xy": [
    446017.33858957817,
    4581263.721232151
   ],
   "end_xy": [
    446038.1968949636,
    4581249.939683363
   ]
  },
  "min_50m": {
   "gradient_pct": -5.780552200568195,
   "start_distance_m": 1517.0,
   "end_distance_m": 1567.0,
   "midpoint_distance_m": 1542.0,
   "start_elevation_m": 431.0353025298396,
   "end_elevation_m": 428.1450264295555,
   "start_xy": [
    445999.723352026,
    4581275.1533043245
   ],
   "end_xy": [
    446041.53408358525,
    4581247.734423264
   ]
  },
  "min_100m": {
   "gradient_pct": -5.275667868351434,
   "start_distance_m": 1463.0,
   "end_distance_m": 1563.0,
   "midpoint_distance_m": 1513.0,
   "start_elevation_m": 433.6077245195303,
   "end_elevation_m": 428.33205665117885,
   "start_xy": [
    445954.33363935514,
    4581304.4069192065
   ],
   "end_xy": [
    446038.1968949636,
    4581249.939683363
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.41389356321133,
   "start_distance_m": 17.0,
   "end_distance_m": 19.0,
   "midpoint_distance_m": 18.0,
   "start_elevation_m": 311.3827119531271,
   "end_elevation_m": 311.89098982439134,
   "start_xy": [
    445290.0955477419,
    4582213.817081746
   ],
   "end_xy": [
    445291.62431806454,
    4582212.5275619505
   ]
  },
  "max_3m": {
   "gradient_pct": 25.258439725143944,
   "start_distance_m": 17.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 18.5,
   "start_elevation_m": 311.3827119531271,
   "end_elevation_m": 312.14046514488143,
   "start_xy": [
    445290.0955477419,
    4582213.817081746
   ],
   "end_xy": [
    445292.3887032258,
    4582211.882802053
   ]
  }
 },
 "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"
  ]
 },
 "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_x44y459_PA_Northcentral_2019_B19.tif"
  ],
  "calculated_at": "2026-09-07T12:49:08+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_Northcentral_2019_B19 (collected 2019)",
  "elevation_tile_ids": [
   "x44y459"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: PA_Northcentral_2019_B19: HTTP Error 404: Not Found",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Scranton",
  "county": "Pennsylvania"
 }
}