{
 "ocl_version": "0.1.0",
 "name": "Glenwild Avenue",
 "slug": "glenwild-avenue",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 15.205590242236156,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4953.0,
   "end_distance_m": 4955.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 220.17425280906605,
   "min_gradient_pct": -3.205096199537394,
   "suppressed_max_gradient_pct": 99.53722653266084,
   "suppressed_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 14.933948949278411,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4969.0,
   "end_distance_m": 4972.0,
   "start_elevation_m": 222.19929086603088,
   "end_elevation_m": 222.64730933450923,
   "min_gradient_pct": -3.0919643392825455,
   "suppressed_max_gradient_pct": 88.88780026416707,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 14.812461172229519,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4953.0,
   "end_distance_m": 4958.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 220.6107640628328,
   "min_gradient_pct": -2.9680658421375483,
   "suppressed_max_gradient_pct": 56.39284531892599,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 14.749477349059532,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4953.0,
   "end_distance_m": 4963.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 221.34508873912728,
   "min_gradient_pct": -2.887034313079795,
   "suppressed_max_gradient_pct": 27.31316419502548,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.603315169233042,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4953.0,
   "end_distance_m": 4973.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 222.79080403806793,
   "min_gradient_pct": -2.765957977686284
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.526222392576301,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4950.0,
   "end_distance_m": 4975.0,
   "start_elevation_m": 219.44492215003555,
   "end_elevation_m": 223.07647774817963,
   "min_gradient_pct": -2.720372009053051
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.14305854595682,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4937.0,
   "end_distance_m": 4987.0,
   "start_elevation_m": 217.6670630401797,
   "end_elevation_m": 224.7385923131581,
   "min_gradient_pct": -2.5041750475818105
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.79105006717768,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4933.0,
   "end_distance_m": 5033.0,
   "start_elevation_m": 217.12897115509213,
   "end_elevation_m": 230.9200212222698,
   "min_gradient_pct": -2.3132933792801538
  }
 ],
 "shape": {
  "ascent_concentration": 0.494,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 190.0,
  "shape_class": "stepped"
 },
 "length_m": 5514.204029409311,
 "start_elevation_m": 87.32724439706016,
 "end_elevation_m": 263.58684419189194,
 "endpoint_gain_m": 176.2595997948318,
 "overall_gradient_pct": 3.1964649631165885,
 "accumulated_ascent_m": 193.26048719026062,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 14.812461172229519,
   "start_distance_m": 4953.0,
   "end_distance_m": 4958.0,
   "midpoint_distance_m": 4955.5,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 220.6107640628328,
   "start_xy": [
    554935.6426484712,
    4543777.3146564
   ],
   "end_xy": [
    554931.4433316741,
    4543780.028645795
   ]
  },
  "max_10m": {
   "gradient_pct": 14.749477349059532,
   "start_distance_m": 4953.0,
   "end_distance_m": 4963.0,
   "midpoint_distance_m": 4958.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 221.34508873912728,
   "start_xy": [
    554935.6426484712,
    4543777.3146564
   ],
   "end_xy": [
    554927.244014877,
    4543782.7426351905
   ]
  },
  "max_20m": {
   "gradient_pct": 14.603315169233042,
   "start_distance_m": 4953.0,
   "end_distance_m": 4973.0,
   "midpoint_distance_m": 4963.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 222.79080403806793,
   "start_xy": [
    554935.6426484712,
    4543777.3146564
   ],
   "end_xy": [
    554918.5990904871,
    4543787.756280959
   ]
  },
  "max_25m": {
   "gradient_pct": 14.526222392576301,
   "start_distance_m": 4950.0,
   "end_distance_m": 4975.0,
   "midpoint_distance_m": 4962.5,
   "start_elevation_m": 219.44492215003555,
   "end_elevation_m": 223.07647774817963,
   "start_xy": [
    554938.1622385493,
    4543775.686262763
   ],
   "end_xy": [
    554916.8428320609,
    4543788.7131280415
   ]
  },
  "max_50m": {
   "gradient_pct": 14.14305854595682,
   "start_distance_m": 4937.0,
   "end_distance_m": 4987.0,
   "midpoint_distance_m": 4962.0,
   "start_elevation_m": 217.6670630401797,
   "end_elevation_m": 224.7385923131581,
   "start_xy": [
    554948.4677319935,
    4543767.779537139
   ],
   "end_xy": [
    554906.0233021439,
    4543793.8825310115
   ]
  },
  "max_100m": {
   "gradient_pct": 13.79105006717768,
   "start_distance_m": 4933.0,
   "end_distance_m": 5033.0,
   "midpoint_distance_m": 4983.0,
   "start_elevation_m": 217.12897115509213,
   "end_elevation_m": 230.9200212222698,
   "start_xy": [
    554951.5905142485,
    4543765.279890967
   ],
   "end_xy": [
    554862.5107793986,
    4543808.361762374
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.9680658421375483,
   "start_distance_m": 984.0,
   "end_distance_m": 989.0,
   "midpoint_distance_m": 986.5,
   "start_elevation_m": 114.06349856969628,
   "end_elevation_m": 113.9150952775894,
   "start_xy": [
    555894.7996821682,
    4540276.746175507
   ],
   "end_xy": [
    555893.0420442681,
    4540281.427063138
   ]
  },
  "min_10m": {
   "gradient_pct": -2.887034313079795,
   "start_distance_m": 986.0,
   "end_distance_m": 996.0,
   "midpoint_distance_m": 991.0,
   "start_elevation_m": 114.00785420776788,
   "end_elevation_m": 113.7191507764599,
   "start_xy": [
    555894.0966270082,
    4540278.618530559
   ],
   "end_xy": [
    555890.5813512082,
    4540287.980305821
   ]
  },
  "min_20m": {
   "gradient_pct": -2.765957977686284,
   "start_distance_m": 983.0,
   "end_distance_m": 1003.0,
   "midpoint_distance_m": 993.0,
   "start_elevation_m": 114.08639419173585,
   "end_elevation_m": 113.53320259619859,
   "start_xy": [
    555895.1512097481,
    4540275.809997981
   ],
   "end_xy": [
    555888.1206581481,
    4540294.533548504
   ]
  },
  "min_25m": {
   "gradient_pct": -2.720372009053051,
   "start_distance_m": 984.0,
   "end_distance_m": 1009.0,
   "midpoint_distance_m": 996.5,
   "start_elevation_m": 114.06349856969628,
   "end_elevation_m": 113.38340556743302,
   "start_xy": [
    555894.7996821682,
    4540276.746175507
   ],
   "end_xy": [
    555886.0114926681,
    4540300.150613661
   ]
  },
  "min_50m": {
   "gradient_pct": -2.5041750475818105,
   "start_distance_m": 969.0,
   "end_distance_m": 1019.0,
   "midpoint_distance_m": 994.0,
   "start_elevation_m": 114.41407149958698,
   "end_elevation_m": 113.16198397579608,
   "start_xy": [
    555900.2288412658,
    4540262.764469166
   ],
   "end_xy": [
    555882.496216868,
    4540309.512388923
   ]
  },
  "min_100m": {
   "gradient_pct": -2.3132933792801538,
   "start_distance_m": 963.0,
   "end_distance_m": 1063.0,
   "midpoint_distance_m": 1013.0,
   "start_elevation_m": 114.52266603469096,
   "end_elevation_m": 112.2093726554108,
   "start_xy": [
    555902.4790184755,
    4540257.202391989
   ],
   "end_xy": [
    555867.4308687078,
    4540350.84912706
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 15.205590242236156,
   "start_distance_m": 4953.0,
   "end_distance_m": 4955.0,
   "midpoint_distance_m": 4954.0,
   "start_elevation_m": 219.87014100422132,
   "end_elevation_m": 220.17425280906605,
   "start_xy": [
    554935.6426484712,
    4543777.3146564
   ],
   "end_xy": [
    554933.9629217524,
    4543778.400252158
   ]
  },
  "max_3m": {
   "gradient_pct": 14.933948949278411,
   "start_distance_m": 4969.0,
   "end_distance_m": 4972.0,
   "midpoint_distance_m": 4970.5,
   "start_elevation_m": 222.19929086603088,
   "end_elevation_m": 222.64730933450923,
   "start_xy": [
    554922.1116073397,
    4543785.842586793
   ],
   "end_xy": [
    554919.4772197002,
    4543787.277857417
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.001,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.1,
   "obstruction_max_height_m": 25.14,
   "flagged_windows_m": [
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    5.0
   ]
  ],
  "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/nj/USGS_1M_18_x55y454_NJ_NW_New_Jersey_6_County_Lidar_2017_B17.tif",
   "data/cache/usa/nj/USGS_1M_18_x55y455_NJ_NW_New_Jersey_6_County_Lidar_2017_B17.tif"
  ],
  "calculated_at": "2026-09-06T01:55:26+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/new-jersey-2026-09-06.osm.pbf",
  "osm_snapshot": "2026-09-04T20:21:21Z",
  "run_id": "nj-run2-260906",
  "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, NJ_NW_New_Jersey_6_County_Lidar_2017_B17 (collected 2017)",
  "elevation_tile_ids": [
   "x55y454",
   "x55y455"
  ],
  "climb_origin": "discovered",
  "canopy_source": {
   "kind": "ept_corridor_max_return",
   "ept_source": "https://s3-us-west-2.amazonaws.com/usgs-lidar-public/NJ_NW6Co_2017",
   "ept_crs": "EPSG:3857",
   "station_coverage": 0.998,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Bloomingdale",
  "county": "New Jersey"
 }
}