{
 "ocl_version": "0.1.0",
 "name": "Criders Lane",
 "slug": "criders-lane",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.864310142999102,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 33.0,
   "end_distance_m": 35.0,
   "start_elevation_m": 336.9856975158814,
   "end_elevation_m": 337.48298371874137,
   "min_gradient_pct": -5.2879357824792805
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.003869712846456,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 32.0,
   "end_distance_m": 35.0,
   "start_elevation_m": 336.732867627356,
   "end_elevation_m": 337.48298371874137,
   "min_gradient_pct": -5.099375779606892
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.006321609624592,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 34.0,
   "end_distance_m": 39.0,
   "start_elevation_m": 337.1837639274062,
   "end_elevation_m": 338.3840800078874,
   "min_gradient_pct": -4.861118562108686
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.617169520138987,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 29.0,
   "end_distance_m": 39.0,
   "start_elevation_m": 336.1223630558735,
   "end_elevation_m": 338.3840800078874,
   "min_gradient_pct": -4.690477246419391
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.423562003868426,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 25.0,
   "end_distance_m": 45.0,
   "start_elevation_m": 335.3064707812058,
   "end_elevation_m": 339.5911831819795,
   "min_gradient_pct": -4.239853471374886
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.77176592443493,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 20.0,
   "end_distance_m": 45.0,
   "start_elevation_m": 334.39824170087076,
   "end_elevation_m": 339.5911831819795,
   "min_gradient_pct": -3.849080331050345
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.052602353425414,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 330.94058614343805,
   "end_elevation_m": 339.96688732015076,
   "min_gradient_pct": -2.748220271285163
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.18657477894817,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 104.0,
   "start_elevation_m": 331.3959016582028,
   "end_elevation_m": 347.58247643715094,
   "min_gradient_pct": 1.2677741156988418
  }
 ],
 "shape": {
  "ascent_concentration": 0.537,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 81.0,
  "shape_class": "stepped"
 },
 "length_m": 356.9557612896849,
 "start_elevation_m": 330.94058614343805,
 "end_elevation_m": 356.3926663081109,
 "endpoint_gain_m": 25.45208016467285,
 "overall_gradient_pct": 7.130317794203466,
 "accumulated_ascent_m": 27.1384280619165,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.006321609624592,
   "start_distance_m": 34.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 36.5,
   "start_elevation_m": 337.1837639274062,
   "end_elevation_m": 338.3840800078874,
   "start_xy": [
    582559.4836841384,
    4488378.595468633
   ],
   "end_xy": [
    582562.1855494528,
    4488382.8025963735
   ]
  },
  "max_10m": {
   "gradient_pct": 22.617169520138987,
   "start_distance_m": 29.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 336.1223630558735,
   "end_elevation_m": 338.3840800078874,
   "start_xy": [
    582556.7818188239,
    4488374.388340893
   ],
   "end_xy": [
    582562.1855494528,
    4488382.8025963735
   ]
  },
  "max_20m": {
   "gradient_pct": 21.423562003868426,
   "start_distance_m": 25.0,
   "end_distance_m": 45.0,
   "midpoint_distance_m": 35.0,
   "start_elevation_m": 335.3064707812058,
   "end_elevation_m": 339.5911831819795,
   "start_xy": [
    582554.6203265723,
    4488371.022638701
   ],
   "end_xy": [
    582565.4277878301,
    4488387.8511496615
   ]
  },
  "max_25m": {
   "gradient_pct": 20.77176592443493,
   "start_distance_m": 20.0,
   "end_distance_m": 45.0,
   "midpoint_distance_m": 32.5,
   "start_elevation_m": 334.39824170087076,
   "end_elevation_m": 339.5911831819795,
   "start_xy": [
    582551.9184612578,
    4488366.81551096
   ],
   "end_xy": [
    582565.4277878301,
    4488387.8511496615
   ]
  },
  "max_50m": {
   "gradient_pct": 18.052602353425414,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 330.94058614343805,
   "end_elevation_m": 339.96688732015076,
   "start_xy": [
    582541.111,
    4488349.987
   ],
   "end_xy": [
    582568.1296531446,
    4488392.058277402
   ]
  },
  "max_100m": {
   "gradient_pct": 16.18657477894817,
   "start_distance_m": 4.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 331.3959016582028,
   "end_elevation_m": 347.58247643715094,
   "start_xy": [
    582543.2724922516,
    4488353.352702192
   ],
   "end_xy": [
    582592.8354820628,
    4488439.962127061
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.861118562108686,
   "start_distance_m": 184.0,
   "end_distance_m": 189.0,
   "midpoint_distance_m": 186.5,
   "start_elevation_m": 351.5214633191077,
   "end_elevation_m": 351.27840739100225,
   "start_xy": [
    582626.6931802294,
    4488512.444237093
   ],
   "end_xy": [
    582628.8092863648,
    4488516.974368971
   ]
  },
  "min_10m": {
   "gradient_pct": -4.690477246419391,
   "start_distance_m": 180.0,
   "end_distance_m": 190.0,
   "midpoint_distance_m": 185.0,
   "start_elevation_m": 351.7038325852117,
   "end_elevation_m": 351.2347848605698,
   "start_xy": [
    582625.0002953211,
    4488508.8201315915
   ],
   "end_xy": [
    582629.232507592,
    4488517.880395346
   ]
  },
  "min_20m": {
   "gradient_pct": -4.239853471374886,
   "start_distance_m": 173.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 183.0,
   "start_elevation_m": 351.9786434009487,
   "end_elevation_m": 351.13067270667375,
   "start_xy": [
    582622.0377467315,
    4488502.477946964
   ],
   "end_xy": [
    582630.5021712732,
    4488520.598474473
   ]
  },
  "min_25m": {
   "gradient_pct": -3.849080331050345,
   "start_distance_m": 169.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 181.5,
   "start_elevation_m": 352.0678200791834,
   "end_elevation_m": 351.1055499964208,
   "start_xy": [
    582620.3448618231,
    4488498.853841462
   ],
   "end_xy": [
    582630.9253925002,
    4488521.504500847
   ]
  },
  "min_50m": {
   "gradient_pct": -2.748220271285163,
   "start_distance_m": 159.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 184.0,
   "start_elevation_m": 352.1665114714808,
   "end_elevation_m": 350.79240133583824,
   "start_xy": [
    582616.1126495523,
    4488489.793577708
   ],
   "end_xy": [
    582638.1466694218,
    4488534.49819363
   ]
  },
  "min_100m": {
   "gradient_pct": 1.2677741156988418,
   "start_distance_m": 130.0,
   "end_distance_m": 230.0,
   "midpoint_distance_m": 180.0,
   "start_elevation_m": 350.89951633231203,
   "end_elevation_m": 352.1672904480109,
   "start_xy": [
    582603.8392339669,
    4488463.518812821
   ],
   "end_xy": [
    582655.8285680211,
    4488527.322985355
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.864310142999102,
   "start_distance_m": 33.0,
   "end_distance_m": 35.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 336.9856975158814,
   "end_elevation_m": 337.48298371874137,
   "start_xy": [
    582558.9433110754,
    4488377.7540430855
   ],
   "end_xy": [
    582560.0240572012,
    4488379.436894181
   ]
  },
  "max_3m": {
   "gradient_pct": 25.003869712846456,
   "start_distance_m": 32.0,
   "end_distance_m": 35.0,
   "midpoint_distance_m": 33.5,
   "start_elevation_m": 336.732867627356,
   "end_elevation_m": 337.48298371874137,
   "start_xy": [
    582558.4029380126,
    4488376.912617537
   ],
   "end_xy": [
    582560.0240572012,
    4488379.436894181
   ]
  }
 },
 "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:26917",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/pa-west/USGS_1M_17_x58y449_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T11:15:25+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": [
   "x58y449"
  ],
  "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": "Ross",
  "county": "Pennsylvania"
 }
}