{
 "ocl_version": "0.1.0",
 "name": "Prospect Avenue",
 "slug": "prospect-avenue-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.888136419388275,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 18.0,
   "end_distance_m": 20.0,
   "start_elevation_m": 314.8388696717843,
   "end_elevation_m": 315.3566324001721,
   "min_gradient_pct": -7.112719859290451
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.72768685606282,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 19.0,
   "end_distance_m": 22.0,
   "start_elevation_m": 315.0965898414065,
   "end_elevation_m": 315.8684204470884,
   "min_gradient_pct": -6.880794598612283
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.668699115365143,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 18.0,
   "end_distance_m": 23.0,
   "start_elevation_m": 314.8388696717843,
   "end_elevation_m": 316.1223046275526,
   "min_gradient_pct": -6.6900503042359105
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.92768132389017,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 14.0,
   "end_distance_m": 24.0,
   "start_elevation_m": 313.8639075387717,
   "end_elevation_m": 316.3566756711607,
   "min_gradient_pct": -6.425213065853654
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.072290585037933,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8.0,
   "end_distance_m": 28.0,
   "start_elevation_m": 312.58180351470634,
   "end_elevation_m": 317.1962616317139,
   "min_gradient_pct": -5.721170289060069
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.949319332732784,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3.0,
   "end_distance_m": 28.0,
   "start_elevation_m": 311.7089317985307,
   "end_elevation_m": 317.1962616317139,
   "min_gradient_pct": -5.36888770126393
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.073213642439441,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 311.3552466589048,
   "end_elevation_m": 318.3918534801245,
   "min_gradient_pct": -4.198013262379959
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.567177527179638,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1.0,
   "end_distance_m": 101.0,
   "start_elevation_m": 311.46097257599286,
   "end_elevation_m": 324.0281501031725,
   "min_gradient_pct": 0.5436586341943439
  }
 ],
 "shape": {
  "ascent_concentration": 0.318,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 103.0,
  "shape_class": "sustained"
 },
 "length_m": 1755.291543487524,
 "start_elevation_m": 311.3552466589048,
 "end_elevation_m": 442.79641676147565,
 "endpoint_gain_m": 131.44117010257088,
 "overall_gradient_pct": 7.488281396343725,
 "accumulated_ascent_m": 133.70822767981673,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.668699115365143,
   "start_distance_m": 18.0,
   "end_distance_m": 23.0,
   "midpoint_distance_m": 20.5,
   "start_elevation_m": 314.8388696717843,
   "end_elevation_m": 316.1223046275526,
   "start_xy": [
    597569.4150933921,
    4584477.975290665
   ],
   "end_xy": [
    597568.0940536705,
    4584482.797619361
   ]
  },
  "max_10m": {
   "gradient_pct": 24.92768132389017,
   "start_distance_m": 14.0,
   "end_distance_m": 24.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 313.8639075387717,
   "end_elevation_m": 316.3566756711607,
   "start_xy": [
    597570.4719251695,
    4584474.117427709
   ],
   "end_xy": [
    597567.8298457263,
    4584483.762085101
   ]
  },
  "max_20m": {
   "gradient_pct": 23.072290585037933,
   "start_distance_m": 8.0,
   "end_distance_m": 28.0,
   "midpoint_distance_m": 18.0,
   "start_elevation_m": 312.58180351470634,
   "end_elevation_m": 317.1962616317139,
   "start_xy": [
    597572.0571728353,
    4584468.330633272
   ],
   "end_xy": [
    597566.773013949,
    4584487.619948057
   ]
  },
  "max_25m": {
   "gradient_pct": 21.949319332732784,
   "start_distance_m": 3.0,
   "end_distance_m": 28.0,
   "midpoint_distance_m": 15.5,
   "start_elevation_m": 311.7089317985307,
   "end_elevation_m": 317.1962616317139,
   "start_xy": [
    597573.3782125569,
    4584463.508304576
   ],
   "end_xy": [
    597566.773013949,
    4584487.619948057
   ]
  },
  "max_50m": {
   "gradient_pct": 14.073213642439441,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 311.3552466589048,
   "end_elevation_m": 318.3918534801245,
   "start_xy": [
    597573.809,
    4584460.555
   ],
   "end_xy": [
    597560.1613489663,
    4584508.586857542
   ]
  },
  "max_100m": {
   "gradient_pct": 12.567177527179638,
   "start_distance_m": 1.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 311.46097257599286,
   "end_elevation_m": 324.0281501031725,
   "start_xy": [
    597573.7482672458,
    4584461.5531540625
   ],
   "end_xy": [
    597543.0534709736,
    4584556.6318417825
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.6900503042359105,
   "start_distance_m": 254.0,
   "end_distance_m": 259.0,
   "midpoint_distance_m": 256.5,
   "start_elevation_m": 334.4500063248643,
   "end_elevation_m": 334.1155038096525,
   "start_xy": [
    597481.5318248202,
    4584692.405880717
   ],
   "end_xy": [
    597477.0446660855,
    4584694.593611565
   ]
  },
  "min_10m": {
   "gradient_pct": -6.425213065853654,
   "start_distance_m": 251.0,
   "end_distance_m": 261.0,
   "midpoint_distance_m": 256.0,
   "start_elevation_m": 334.6267042760045,
   "end_elevation_m": 333.9841829694191,
   "start_xy": [
    597484.3012675772,
    4584691.252543465
   ],
   "end_xy": [
    597475.2966340277,
    4584695.565405744
   ]
  },
  "min_20m": {
   "gradient_pct": -5.721170289060069,
   "start_distance_m": 249.0,
   "end_distance_m": 269.0,
   "midpoint_distance_m": 259.0,
   "start_elevation_m": 334.72919276969424,
   "end_elevation_m": 333.5849587118822,
   "start_xy": [
    597486.1475627485,
    4584690.483651964
   ],
   "end_xy": [
    597468.3045057966,
    4584699.452582457
   ]
  },
  "min_25m": {
   "gradient_pct": -5.36888770126393,
   "start_distance_m": 249.0,
   "end_distance_m": 274.0,
   "midpoint_distance_m": 261.5,
   "start_elevation_m": 334.72919276969424,
   "end_elevation_m": 333.38697084437825,
   "start_xy": [
    597486.1475627485,
    4584690.483651964
   ],
   "end_xy": [
    597463.9344256523,
    4584701.882067903
   ]
  },
  "min_50m": {
   "gradient_pct": -4.198013262379959,
   "start_distance_m": 245.0,
   "end_distance_m": 295.0,
   "midpoint_distance_m": 270.0,
   "start_elevation_m": 334.81938975578845,
   "end_elevation_m": 332.72038312459847,
   "start_xy": [
    597489.840153091,
    4584688.9458689615
   ],
   "end_xy": [
    597446.7192657809,
    4584713.8497321475
   ]
  },
  "min_100m": {
   "gradient_pct": 0.5436586341943439,
   "start_distance_m": 200.0,
   "end_distance_m": 300.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 332.35654120107614,
   "end_elevation_m": 332.9001998352705,
   "start_xy": [
    597510.4548598314,
    4584650.106789464
   ],
   "end_xy": [
    597443.2811991823,
    4584717.344563416
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.888136419388275,
   "start_distance_m": 18.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 314.8388696717843,
   "end_elevation_m": 315.3566324001721,
   "start_xy": [
    597569.4150933921,
    4584477.975290665
   ],
   "end_xy": [
    597568.8866775035,
    4584479.904222144
   ]
  },
  "max_3m": {
   "gradient_pct": 25.72768685606282,
   "start_distance_m": 19.0,
   "end_distance_m": 22.0,
   "midpoint_distance_m": 20.5,
   "start_elevation_m": 315.0965898414065,
   "end_elevation_m": 315.8684204470884,
   "start_xy": [
    597569.1508854479,
    4584478.939756405
   ],
   "end_xy": [
    597568.3582616149,
    4584481.833153622
   ]
  }
 },
 "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_x59y459_PA_WesternPA_2019_D20.tif"
  ],
  "calculated_at": "2026-09-07T11:26:36+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": [
   "x59y459"
  ],
  "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": "Sugarcreek",
  "county": "Pennsylvania"
 }
}