{
 "ocl_version": "0.1.0",
 "name": "Pleasant Avenue",
 "slug": "pleasant-avenue",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.066617406257507,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 336.0,
   "end_distance_m": 338.0,
   "start_elevation_m": 100.31706219533733,
   "end_elevation_m": 100.79839454346248,
   "min_gradient_pct": -0.43869533049729625
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.918357398296546,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 340.0,
   "end_distance_m": 343.0,
   "start_elevation_m": 101.25898573369787,
   "end_elevation_m": 101.97653645564677,
   "min_gradient_pct": 0.22058551009346652
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.72818849958037,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 339.0,
   "end_distance_m": 344.0,
   "start_elevation_m": 101.02980618342477,
   "end_elevation_m": 102.21621560840379,
   "min_gradient_pct": 0.34382207819248833
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.477358678086944,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 334.0,
   "end_distance_m": 344.0,
   "start_elevation_m": 99.86847974059509,
   "end_elevation_m": 102.21621560840379,
   "min_gradient_pct": 0.35401732522586826
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.84736988006172,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 328.0,
   "end_distance_m": 348.0,
   "start_elevation_m": 98.67885786065105,
   "end_elevation_m": 103.0483318366634,
   "min_gradient_pct": 0.7553532630024762
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.820492890300383,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 323.0,
   "end_distance_m": 348.0,
   "start_elevation_m": 97.8432086140883,
   "end_elevation_m": 103.0483318366634,
   "min_gradient_pct": 0.8571717028708576
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.32597051530027,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 298.0,
   "end_distance_m": 348.0,
   "start_elevation_m": 94.38534657901326,
   "end_elevation_m": 103.0483318366634,
   "min_gradient_pct": 1.2145475891247486
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.389429616606265,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 248.0,
   "end_distance_m": 348.0,
   "start_elevation_m": 89.65890222005713,
   "end_elevation_m": 103.0483318366634,
   "min_gradient_pct": 2.0913674790543553
  }
 ],
 "shape": {
  "ascent_concentration": 0.623,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 80.0,
  "shape_class": "stepped"
 },
 "length_m": 348.4090321723358,
 "start_elevation_m": 82.23130524079838,
 "end_elevation_m": 103.11970456135779,
 "endpoint_gain_m": 20.888399320559415,
 "overall_gradient_pct": 5.995366764839567,
 "accumulated_ascent_m": 20.902694179031855,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.72818849958037,
   "start_distance_m": 339.0,
   "end_distance_m": 344.0,
   "midpoint_distance_m": 341.5,
   "start_elevation_m": 101.02980618342477,
   "end_elevation_m": 102.21621560840379,
   "start_xy": [
    662086.1649586404,
    4593385.957841754
   ],
   "end_xy": [
    662084.9019945095,
    4593381.119978993
   ]
  },
  "max_10m": {
   "gradient_pct": 23.477358678086944,
   "start_distance_m": 334.0,
   "end_distance_m": 344.0,
   "midpoint_distance_m": 339.0,
   "start_elevation_m": 99.86847974059509,
   "end_elevation_m": 102.21621560840379,
   "start_xy": [
    662087.4279227708,
    4593390.795704515
   ],
   "end_xy": [
    662084.9019945095,
    4593381.119978993
   ]
  },
  "max_20m": {
   "gradient_pct": 21.84736988006172,
   "start_distance_m": 328.0,
   "end_distance_m": 348.0,
   "midpoint_distance_m": 338.0,
   "start_elevation_m": 98.67885786065105,
   "end_elevation_m": 103.0483318366634,
   "start_xy": [
    662088.9440009679,
    4593396.601003718
   ],
   "end_xy": [
    662083.8909637947,
    4593377.249860803
   ]
  },
  "max_25m": {
   "gradient_pct": 20.820492890300383,
   "start_distance_m": 323.0,
   "end_distance_m": 348.0,
   "midpoint_distance_m": 335.5,
   "start_elevation_m": 97.8432086140883,
   "end_elevation_m": 103.0483318366634,
   "start_xy": [
    662090.2069651021,
    4593401.438866477
   ],
   "end_xy": [
    662083.8909637947,
    4593377.249860803
   ]
  },
  "max_50m": {
   "gradient_pct": 17.32597051530027,
   "start_distance_m": 298.0,
   "end_distance_m": 348.0,
   "midpoint_distance_m": 323.0,
   "start_elevation_m": 94.38534657901326,
   "end_elevation_m": 103.0483318366634,
   "start_xy": [
    662096.5229665125,
    4593425.627871873
   ],
   "end_xy": [
    662083.8909637947,
    4593377.249860803
   ]
  },
  "max_100m": {
   "gradient_pct": 13.389429616606265,
   "start_distance_m": 248.0,
   "end_distance_m": 348.0,
   "midpoint_distance_m": 298.0,
   "start_elevation_m": 89.65890222005713,
   "end_elevation_m": 103.0483318366634,
   "start_xy": [
    662109.1540330346,
    4593474.006126895
   ],
   "end_xy": [
    662083.8909637947,
    4593377.249860803
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.34382207819248833,
   "start_distance_m": 141.0,
   "end_distance_m": 146.0,
   "midpoint_distance_m": 143.5,
   "start_elevation_m": 86.71309098360311,
   "end_elevation_m": 86.73028208751273,
   "start_xy": [
    662135.5320248659,
    4593577.699103289
   ],
   "end_xy": [
    662134.365046598,
    4593572.837194592
   ]
  },
  "min_10m": {
   "gradient_pct": 0.35401732522586826,
   "start_distance_m": 141.0,
   "end_distance_m": 151.0,
   "midpoint_distance_m": 146.0,
   "start_elevation_m": 86.71309098360311,
   "end_elevation_m": 86.7484927161257,
   "start_xy": [
    662135.5320248659,
    4593577.699103289
   ],
   "end_xy": [
    662133.1971232971,
    4593567.975512683
   ]
  },
  "min_20m": {
   "gradient_pct": 0.7553532630024762,
   "start_distance_m": 141.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 151.0,
   "start_elevation_m": 86.71309098360311,
   "end_elevation_m": 86.8641616362036,
   "start_xy": [
    662135.5320248659,
    4593577.699103289
   ],
   "end_xy": [
    662130.8619944897,
    4593558.251976989
   ]
  },
  "min_25m": {
   "gradient_pct": 0.8571717028708576,
   "start_distance_m": 141.0,
   "end_distance_m": 166.0,
   "midpoint_distance_m": 153.5,
   "start_elevation_m": 86.71309098360311,
   "end_elevation_m": 86.92738390932082,
   "start_xy": [
    662135.5320248659,
    4593577.699103289
   ],
   "end_xy": [
    662129.6950163625,
    4593553.390068259
   ]
  },
  "min_50m": {
   "gradient_pct": 1.2145475891247486,
   "start_distance_m": 130.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 155.0,
   "start_elevation_m": 86.5541984446797,
   "end_elevation_m": 87.16147223924207,
   "start_xy": [
    662138.1000347178,
    4593588.395144212
   ],
   "end_xy": [
    662126.3319088805,
    4593539.800651369
   ]
  },
  "min_100m": {
   "gradient_pct": 2.0913674790543553,
   "start_distance_m": 106.0,
   "end_distance_m": 206.0,
   "midpoint_distance_m": 156.0,
   "start_elevation_m": 85.94908147860069,
   "end_elevation_m": 88.04044895765504,
   "start_xy": [
    662143.7039346561,
    4593611.731728292
   ],
   "end_xy": [
    662119.7639742807,
    4593514.643901596
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.066617406257507,
   "start_distance_m": 336.0,
   "end_distance_m": 338.0,
   "midpoint_distance_m": 337.0,
   "start_elevation_m": 100.31706219533733,
   "end_elevation_m": 100.79839454346248,
   "start_xy": [
    662086.9228753881,
    4593388.860523224
   ],
   "end_xy": [
    662086.4180724409,
    4593386.925278265
   ]
  },
  "max_3m": {
   "gradient_pct": 23.918357398296546,
   "start_distance_m": 340.0,
   "end_distance_m": 343.0,
   "midpoint_distance_m": 341.5,
   "start_elevation_m": 101.25898573369787,
   "end_elevation_m": 101.97653645564677,
   "start_xy": [
    662085.9120892135,
    4593384.990341339
   ],
   "end_xy": [
    662085.1539280281,
    4593382.087723537
   ]
  }
 },
 "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": {
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.043,
   "obstruction_max_height_m": 19.65,
   "flagged_windows_m": [
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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:26918",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/ct/USGS_1M_18_x66y460_CT_Statewide_C16.tif"
  ],
  "calculated_at": "2026-09-03T20:25:50+00:00",
  "road_source": "/mnt/HC_Volume_106727764/site-corpus-fresh/us/pleasant-avenue/pleasant-avenue.geojson",
  "run_id": "canopy-all-260903",
  "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, CT_Statewide_C16 (collected 2016)",
  "elevation_tile_ids": [
   "x66y460"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://usgs-lidar-public.s3-us-west-2.amazonaws.com/CT_Statewide_B3_2016",
   "ept_crs": "EPSG:3857",
   "station_coverage": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Naugatuck",
  "county": "Connecticut"
 }
}