{
 "ocl_version": "0.1.0",
 "name": "Pleasant Valley Drive",
 "slug": "pleasant-valley-drive",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.827277893506448,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 90.0,
   "end_distance_m": 92.0,
   "start_elevation_m": 147.89682129575547,
   "end_elevation_m": 148.3533668536256,
   "min_gradient_pct": -0.7285885841241679
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.782669211757895,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 90.0,
   "end_distance_m": 93.0,
   "start_elevation_m": 147.89682129575547,
   "end_elevation_m": 148.5803013721082,
   "min_gradient_pct": -0.7064673280827568
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.69495455650656,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 89.0,
   "end_distance_m": 94.0,
   "start_elevation_m": 147.66995119975587,
   "end_elevation_m": 148.8046989275812,
   "min_gradient_pct": 0.46350622004467823
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.501369210503412,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 89.0,
   "end_distance_m": 99.0,
   "start_elevation_m": 147.66995119975587,
   "end_elevation_m": 149.9200881208062,
   "min_gradient_pct": 1.5106508798146479
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.184455316995724,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 84.0,
   "end_distance_m": 104.0,
   "start_elevation_m": 146.58921042728258,
   "end_elevation_m": 151.02610149068173,
   "min_gradient_pct": 4.330824924095822
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.051479725803688,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 82.0,
   "end_distance_m": 107.0,
   "start_elevation_m": 146.1585023029446,
   "end_elevation_m": 151.67137223439553,
   "min_gradient_pct": 5.534693900062734
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.496300527138715,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 83.0,
   "end_distance_m": 133.0,
   "start_elevation_m": 146.3702975812125,
   "end_elevation_m": 157.11844784478185,
   "min_gradient_pct": 8.364640890171415
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.301243683545408,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 61.0,
   "end_distance_m": 161.0,
   "start_elevation_m": 142.21178307592814,
   "end_elevation_m": 162.51302675947355,
   "min_gradient_pct": 9.381038348862347
  }
 ],
 "shape": {
  "ascent_concentration": 0.364,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 226.0,
  "shape_class": "sustained"
 },
 "length_m": 444.9999999997755,
 "start_elevation_m": 135.32208057910444,
 "end_elevation_m": 197.95981319486256,
 "endpoint_gain_m": 62.637732615758125,
 "overall_gradient_pct": 14.075894969840386,
 "accumulated_ascent_m": 62.65892663560061,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.69495455650656,
   "start_distance_m": 89.0,
   "end_distance_m": 94.0,
   "midpoint_distance_m": 91.5,
   "start_elevation_m": 147.66995119975587,
   "end_elevation_m": 148.8046989275812,
   "start_xy": [
    538219.4278942314,
    4558529.524662866
   ],
   "end_xy": [
    538215.9493179276,
    4558533.11625122
   ]
  },
  "max_10m": {
   "gradient_pct": 22.501369210503412,
   "start_distance_m": 89.0,
   "end_distance_m": 99.0,
   "midpoint_distance_m": 94.0,
   "start_elevation_m": 147.66995119975587,
   "end_elevation_m": 149.9200881208062,
   "start_xy": [
    538219.4278942314,
    4558529.524662866
   ],
   "end_xy": [
    538212.4707416238,
    4558536.707839573
   ]
  },
  "max_20m": {
   "gradient_pct": 22.184455316995724,
   "start_distance_m": 84.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 94.0,
   "start_elevation_m": 146.58921042728258,
   "end_elevation_m": 151.02610149068173,
   "start_xy": [
    538222.9064705351,
    4558525.933074513
   ],
   "end_xy": [
    538208.9921653201,
    4558540.299427926
   ]
  },
  "max_25m": {
   "gradient_pct": 22.051479725803688,
   "start_distance_m": 82.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 94.5,
   "start_elevation_m": 146.1585023029446,
   "end_elevation_m": 151.67137223439553,
   "start_xy": [
    538224.2979010567,
    4558524.496439172
   ],
   "end_xy": [
    538206.9050195378,
    4558542.454380938
   ]
  },
  "max_50m": {
   "gradient_pct": 21.496300527138715,
   "start_distance_m": 83.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 108.0,
   "start_elevation_m": 146.3702975812125,
   "end_elevation_m": 157.11844784478185,
   "start_xy": [
    538223.6021857959,
    4558525.214756843
   ],
   "end_xy": [
    538188.8164227582,
    4558561.1306403745
   ]
  },
  "max_100m": {
   "gradient_pct": 20.301243683545408,
   "start_distance_m": 61.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 111.0,
   "start_elevation_m": 142.21178307592814,
   "end_elevation_m": 162.51302675947355,
   "start_xy": [
    538238.761718592,
    4558509.272376903
   ],
   "end_xy": [
    538169.336395457,
    4558581.243535153
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.46350622004467823,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 135.32208057910444,
   "end_elevation_m": 135.34525589010667,
   "start_xy": [
    538280.506,
    4558464.793
   ],
   "end_xy": [
    538277.0843375896,
    4558468.438850566
   ]
  },
  "min_10m": {
   "gradient_pct": 1.5106508798146479,
   "start_distance_m": 435.0,
   "end_distance_m": 445.0,
   "midpoint_distance_m": 440.0,
   "start_elevation_m": 197.8087481068811,
   "end_elevation_m": 197.95981319486256,
   "start_xy": [
    537983.453559424,
    4558756.102695797
   ],
   "end_xy": [
    537982.6861893184,
    4558766.07320948
   ]
  },
  "min_20m": {
   "gradient_pct": 4.330824924095822,
   "start_distance_m": 425.0,
   "end_distance_m": 445.0,
   "midpoint_distance_m": 435.0,
   "start_elevation_m": 197.0936482100434,
   "end_elevation_m": 197.95981319486256,
   "start_xy": [
    537984.0470919374,
    4558746.120693046
   ],
   "end_xy": [
    537982.6861893184,
    4558766.07320948
   ]
  },
  "min_25m": {
   "gradient_pct": 5.534693900062734,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 135.32208057910444,
   "end_elevation_m": 136.70575405412012,
   "start_xy": [
    538280.506,
    4558464.793
   ],
   "end_xy": [
    538263.3976879476,
    4558483.022252829
   ]
  },
  "min_50m": {
   "gradient_pct": 8.364640890171415,
   "start_distance_m": 351.0,
   "end_distance_m": 401.0,
   "midpoint_distance_m": 376.0,
   "start_elevation_m": 189.6332587530214,
   "end_elevation_m": 193.81557919810712,
   "start_xy": [
    538010.4513877259,
    4558678.97325183
   ],
   "end_xy": [
    537987.7822297144,
    4558722.501140053
   ]
  },
  "min_100m": {
   "gradient_pct": 9.381038348862347,
   "start_distance_m": 345.0,
   "end_distance_m": 445.0,
   "midpoint_distance_m": 395.0,
   "start_elevation_m": 188.57877484600021,
   "end_elevation_m": 197.95981319486256,
   "start_xy": [
    538014.9908625034,
    4558675.204605929
   ],
   "end_xy": [
    537982.6861893184,
    4558766.07320948
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.827277893506448,
   "start_distance_m": 90.0,
   "end_distance_m": 92.0,
   "midpoint_distance_m": 91.0,
   "start_elevation_m": 147.89682129575547,
   "end_elevation_m": 148.3533668536256,
   "start_xy": [
    538218.7321789706,
    4558530.242980537
   ],
   "end_xy": [
    538217.3407484491,
    4558531.6796158785
   ]
  },
  "max_3m": {
   "gradient_pct": 22.782669211757895,
   "start_distance_m": 90.0,
   "end_distance_m": 93.0,
   "midpoint_distance_m": 91.5,
   "start_elevation_m": 147.89682129575547,
   "end_elevation_m": 148.5803013721082,
   "start_xy": [
    538218.7321789706,
    4558530.242980537
   ],
   "end_xy": [
    538216.6450331884,
    4558532.397933549
   ]
  }
 },
 "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": 0.072,
   "obstruction_max_height_m": 20.69,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": []
 },
 "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_x53y456_NJ_NW_New_Jersey_6_County_Lidar_2017_B17.tif"
  ],
  "calculated_at": "2026-09-06T02:35:09+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": [
   "x53y456"
  ],
  "route_summit_trim_m": 439.4,
  "route_summit_trim_loss_m": 23.8,
  "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": 1.0,
   "cell_ground_m": 1.0,
   "nodes_failed": 0
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Vernon",
  "county": "New Jersey"
 }
}