{
 "ocl_version": "0.1.0",
 "name": "Center Avenue",
 "slug": "center-avenue-9",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.908801854955072,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 368.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 197.7930030815179,
   "end_elevation_m": 198.211179118617,
   "min_gradient_pct": -8.52330440069693
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.81827897058588,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 366.0,
   "end_distance_m": 369.0,
   "start_elevation_m": 197.37835711501276,
   "end_elevation_m": 198.00290548413034,
   "min_gradient_pct": -8.43534437157416
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.608208943240243,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 366.0,
   "end_distance_m": 371.0,
   "start_elevation_m": 197.37835711501276,
   "end_elevation_m": 198.40876756217477,
   "min_gradient_pct": -8.052165789084711
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.53443395566177,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 368.0,
   "end_distance_m": 378.0,
   "start_elevation_m": 197.7930030815179,
   "end_elevation_m": 199.84644647708407,
   "min_gradient_pct": -7.6151628072634026
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.337209974264425,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 361.0,
   "end_distance_m": 381.0,
   "start_elevation_m": 196.3837324377985,
   "end_elevation_m": 200.45117443265138,
   "min_gradient_pct": -6.8413728406217444
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.205310419781995,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 357.0,
   "end_distance_m": 382.0,
   "start_elevation_m": 195.59879383885445,
   "end_elevation_m": 200.65012144379995,
   "min_gradient_pct": -6.368568182784088
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.647051546348052,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 335.0,
   "end_distance_m": 385.0,
   "start_elevation_m": 191.8664421458901,
   "end_elevation_m": 201.18996791906412,
   "min_gradient_pct": -3.306299586504281
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.39410506086159,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 305.0,
   "end_distance_m": 405.0,
   "start_elevation_m": 186.96684368837788,
   "end_elevation_m": 203.36094874923947,
   "min_gradient_pct": 3.1157870317473453
  }
 ],
 "shape": {
  "ascent_concentration": 0.436,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 125.0,
  "shape_class": "sustained"
 },
 "length_m": 531.9491981873505,
 "start_elevation_m": 164.92607415603592,
 "end_elevation_m": 208.47998068508682,
 "endpoint_gain_m": 43.55390652905089,
 "overall_gradient_pct": 8.18760638750157,
 "accumulated_ascent_m": 45.66960408927338,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.608208943240243,
   "start_distance_m": 366.0,
   "end_distance_m": 371.0,
   "midpoint_distance_m": 368.5,
   "start_elevation_m": 197.37835711501276,
   "end_elevation_m": 198.40876756217477,
   "start_xy": [
    420448.0495742197,
    4566373.606397133
   ],
   "end_xy": [
    420445.2004461704,
    4566377.715225356
   ]
  },
  "max_10m": {
   "gradient_pct": 20.53443395566177,
   "start_distance_m": 368.0,
   "end_distance_m": 378.0,
   "midpoint_distance_m": 373.0,
   "start_elevation_m": 197.7930030815179,
   "end_elevation_m": 199.84644647708407,
   "start_xy": [
    420446.90992299997,
    4566375.249928422
   ],
   "end_xy": [
    420441.2116669014,
    4566383.467584867
   ]
  },
  "max_20m": {
   "gradient_pct": 20.337209974264425,
   "start_distance_m": 361.0,
   "end_distance_m": 381.0,
   "midpoint_distance_m": 371.0,
   "start_elevation_m": 196.3837324377985,
   "end_elevation_m": 200.45117443265138,
   "start_xy": [
    420450.89870226895,
    4566369.497568912
   ],
   "end_xy": [
    420439.50219007186,
    4566385.9328817995
   ]
  },
  "max_25m": {
   "gradient_pct": 20.205310419781995,
   "start_distance_m": 357.0,
   "end_distance_m": 382.0,
   "midpoint_distance_m": 369.5,
   "start_elevation_m": 195.59879383885445,
   "end_elevation_m": 200.65012144379995,
   "start_xy": [
    420453.1780047084,
    4566366.210506334
   ],
   "end_xy": [
    420438.932364462,
    4566386.754647444
   ]
  },
  "max_50m": {
   "gradient_pct": 18.647051546348052,
   "start_distance_m": 335.0,
   "end_distance_m": 385.0,
   "midpoint_distance_m": 360.0,
   "start_elevation_m": 191.8664421458901,
   "end_elevation_m": 201.18996791906412,
   "start_xy": [
    420465.71416812524,
    4566348.131662156
   ],
   "end_xy": [
    420437.22288763244,
    4566389.219944377
   ]
  },
  "max_100m": {
   "gradient_pct": 16.39410506086159,
   "start_distance_m": 305.0,
   "end_distance_m": 405.0,
   "midpoint_distance_m": 355.0,
   "start_elevation_m": 186.96684368837788,
   "end_elevation_m": 203.36094874923947,
   "start_xy": [
    420482.8089364209,
    4566323.478692824
   ],
   "end_xy": [
    420450.339434461,
    4566400.276480272
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.052165789084711,
   "start_distance_m": 526.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 528.5,
   "start_elevation_m": 208.9503719850876,
   "end_elevation_m": 208.54776369563336,
   "start_xy": [
    420563.50848421577,
    4566434.200016701
   ],
   "end_xy": [
    420568.1305489134,
    4566436.1069823345
   ]
  },
  "min_10m": {
   "gradient_pct": -7.6151628072634026,
   "start_distance_m": 521.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 526.0,
   "start_elevation_m": 209.3092799763597,
   "end_elevation_m": 208.54776369563336,
   "start_xy": [
    420558.8864195181,
    4566432.293051066
   ],
   "end_xy": [
    420568.1305489134,
    4566436.1069823345
   ]
  },
  "min_20m": {
   "gradient_pct": -6.8413728406217444,
   "start_distance_m": 511.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 521.0,
   "start_elevation_m": 209.9160382637577,
   "end_elevation_m": 208.54776369563336,
   "start_xy": [
    420549.6422901228,
    4566428.479119797
   ],
   "end_xy": [
    420568.1305489134,
    4566436.1069823345
   ]
  },
  "min_25m": {
   "gradient_pct": -6.368568182784088,
   "start_distance_m": 506.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 518.5,
   "start_elevation_m": 210.1399057413294,
   "end_elevation_m": 208.54776369563336,
   "start_xy": [
    420545.02022542513,
    4566426.572154163
   ],
   "end_xy": [
    420568.1305489134,
    4566436.1069823345
   ]
  },
  "min_50m": {
   "gradient_pct": -3.306299586504281,
   "start_distance_m": 481.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 506.0,
   "start_elevation_m": 210.2009134888855,
   "end_elevation_m": 208.54776369563336,
   "start_xy": [
    420521.9099019369,
    4566417.037325991
   ],
   "end_xy": [
    420568.1305489134,
    4566436.1069823345
   ]
  },
  "min_100m": {
   "gradient_pct": 3.1157870317473453,
   "start_distance_m": 431.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 481.0,
   "start_elevation_m": 205.43197666388602,
   "end_elevation_m": 208.54776369563336,
   "start_xy": [
    420474.70402173203,
    4566404.380237708
   ],
   "end_xy": [
    420568.1305489134,
    4566436.1069823345
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.908801854955072,
   "start_distance_m": 368.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 369.0,
   "start_elevation_m": 197.7930030815179,
   "end_elevation_m": 198.211179118617,
   "start_xy": [
    420446.90992299997,
    4566375.249928422
   ],
   "end_xy": [
    420445.77027178026,
    4566376.893459711
   ]
  },
  "max_3m": {
   "gradient_pct": 20.81827897058588,
   "start_distance_m": 366.0,
   "end_distance_m": 369.0,
   "midpoint_distance_m": 367.5,
   "start_elevation_m": 197.37835711501276,
   "end_elevation_m": 198.00290548413034,
   "start_xy": [
    420448.0495742197,
    4566373.606397133
   ],
   "end_xy": [
    420446.3400973901,
    4566376.071694067
   ]
  }
 },
 "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": [
   "descends_at_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_one_meter_x42y457_PA_LuzerneCounty_2018.tif"
  ],
  "calculated_at": "2026-09-07T15:42:58+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_LuzerneCounty_2018 (collected 2018)",
  "elevation_tile_ids": [
   "x42y457"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 EPT corridor failed: NY_FEMAR2_Central_B1_2018: no corridor points fetched",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Plymouth",
  "county": "Pennsylvania"
 }
}