{
 "ocl_version": "0.1.0",
 "name": "Old John Deniz Road",
 "slug": "old-john-deniz-road",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.45207765906241,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 912.0,
   "end_distance_m": 914.0,
   "start_elevation_m": 401.3869545817737,
   "end_elevation_m": 401.89599613495494,
   "min_gradient_pct": -3.9994129329556927
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.045024364721712,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 911.0,
   "end_distance_m": 914.0,
   "start_elevation_m": 401.1746454040133,
   "end_elevation_m": 401.89599613495494,
   "min_gradient_pct": -2.8535940678182214
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.534366366021686,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 909.0,
   "end_distance_m": 914.0,
   "start_elevation_m": 400.71927781665386,
   "end_elevation_m": 401.89599613495494,
   "min_gradient_pct": -2.0819820841506953
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.778950908337947,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 905.0,
   "end_distance_m": 915.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 402.0802942870858,
   "min_gradient_pct": -0.5695854454120308
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.76967559724659,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 905.0,
   "end_distance_m": 925.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 404.1563343157013,
   "min_gradient_pct": 0.06272629546941744
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.553522266731306,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 905.0,
   "end_distance_m": 930.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 405.1907797629348,
   "min_gradient_pct": 0.23290833172677594
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.74550952210393,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 893.0,
   "end_distance_m": 943.0,
   "start_elevation_m": 397.7007796729578,
   "end_elevation_m": 407.5735344340098,
   "min_gradient_pct": 0.9270584011521805
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.144728260105808,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 905.0,
   "end_distance_m": 1005.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 417.9471274563578,
   "min_gradient_pct": 1.0303155391935093
  }
 ],
 "shape": {
  "ascent_concentration": 0.439,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 163.0,
  "shape_class": "sustained"
 },
 "length_m": 1162.3695856829784,
 "start_elevation_m": 342.8347935867256,
 "end_elevation_m": 437.62933455078155,
 "endpoint_gain_m": 94.79454096405595,
 "overall_gradient_pct": 8.155284010494574,
 "accumulated_ascent_m": 95.46532658576274,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.534366366021686,
   "start_distance_m": 909.0,
   "end_distance_m": 914.0,
   "midpoint_distance_m": 911.5,
   "start_elevation_m": 400.71927781665386,
   "end_elevation_m": 401.89599613495494,
   "start_xy": [
    198052.3868703499,
    2153123.018693884
   ],
   "end_xy": [
    198057.13736585266,
    2153124.578435041
   ]
  },
  "max_10m": {
   "gradient_pct": 22.778950908337947,
   "start_distance_m": 905.0,
   "end_distance_m": 915.0,
   "midpoint_distance_m": 910.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 402.0802942870858,
   "start_xy": [
    198048.58647394768,
    2153121.7709009578
   ],
   "end_xy": [
    198058.08746495322,
    2153124.890383273
   ]
  },
  "max_20m": {
   "gradient_pct": 21.76967559724659,
   "start_distance_m": 905.0,
   "end_distance_m": 925.0,
   "midpoint_distance_m": 915.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 404.1563343157013,
   "start_xy": [
    198048.58647394768,
    2153121.7709009578
   ],
   "end_xy": [
    198067.58845595876,
    2153128.0098655876
   ]
  },
  "max_25m": {
   "gradient_pct": 21.553522266731306,
   "start_distance_m": 905.0,
   "end_distance_m": 930.0,
   "midpoint_distance_m": 917.5,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 405.1907797629348,
   "start_xy": [
    198048.58647394768,
    2153121.7709009578
   ],
   "end_xy": [
    198072.3389514615,
    2153129.569606745
   ]
  },
  "max_50m": {
   "gradient_pct": 19.74550952210393,
   "start_distance_m": 893.0,
   "end_distance_m": 943.0,
   "midpoint_distance_m": 918.0,
   "start_elevation_m": 397.7007796729578,
   "end_elevation_m": 407.5735344340098,
   "start_xy": [
    198037.12416551047,
    2153118.221067357
   ],
   "end_xy": [
    198084.6902397687,
    2153133.6249337546
   ]
  },
  "max_100m": {
   "gradient_pct": 18.144728260105808,
   "start_distance_m": 905.0,
   "end_distance_m": 1005.0,
   "midpoint_distance_m": 955.0,
   "start_elevation_m": 399.802399196252,
   "end_elevation_m": 417.9471274563578,
   "start_xy": [
    198048.58647394768,
    2153121.7709009578
   ],
   "end_xy": [
    198143.5905142889,
    2153152.9835887067
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.0819820841506953,
   "start_distance_m": 872.0,
   "end_distance_m": 877.0,
   "midpoint_distance_m": 874.5,
   "start_elevation_m": 396.57560999028124,
   "end_elevation_m": 396.4715108860737,
   "start_xy": [
    198017.02834361914,
    2153112.1253358573
   ],
   "end_xy": [
    198021.81306311706,
    2153113.5767005
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5695854454120308,
   "start_distance_m": 271.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 276.0,
   "start_elevation_m": 349.792164166878,
   "end_elevation_m": 349.7352056223368,
   "start_xy": [
    197631.32905733702,
    2153165.187552463
   ],
   "end_xy": [
    197637.44079364173,
    2153171.590677171
   ]
  },
  "min_20m": {
   "gradient_pct": 0.06272629546941744,
   "start_distance_m": 261.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 271.0,
   "start_elevation_m": 349.72266036324294,
   "end_elevation_m": 349.7352056223368,
   "start_xy": [
    197631.15504408255,
    2153155.189066608
   ],
   "end_xy": [
    197637.44079364173,
    2153171.590677171
   ]
  },
  "min_25m": {
   "gradient_pct": 0.23290833172677594,
   "start_distance_m": 256.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 268.5,
   "start_elevation_m": 349.6769785394051,
   "end_elevation_m": 349.7352056223368,
   "start_xy": [
    197631.06803745532,
    2153150.189823681
   ],
   "end_xy": [
    197637.44079364173,
    2153171.590677171
   ]
  },
  "min_50m": {
   "gradient_pct": 0.9270584011521805,
   "start_distance_m": 233.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 258.0,
   "start_elevation_m": 349.30321608557415,
   "end_elevation_m": 349.76674528615024,
   "start_xy": [
    197630.66780697007,
    2153127.193306215
   ],
   "end_xy": [
    197639.1966547125,
    2153172.5482532256
   ]
  },
  "min_100m": {
   "gradient_pct": 1.0303155391935093,
   "start_distance_m": 183.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 233.0,
   "start_elevation_m": 348.73642974695673,
   "end_elevation_m": 349.76674528615024,
   "start_xy": [
    197629.7977406978,
    2153077.2008769414
   ],
   "end_xy": [
    197639.1966547125,
    2153172.5482532256
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.45207765906241,
   "start_distance_m": 912.0,
   "end_distance_m": 914.0,
   "midpoint_distance_m": 913.0,
   "start_elevation_m": 401.3869545817737,
   "end_elevation_m": 401.89599613495494,
   "start_xy": [
    198055.23716765156,
    2153123.954538578
   ],
   "end_xy": [
    198057.13736585266,
    2153124.578435041
   ]
  },
  "max_3m": {
   "gradient_pct": 24.045024364721712,
   "start_distance_m": 911.0,
   "end_distance_m": 914.0,
   "midpoint_distance_m": 912.5,
   "start_elevation_m": 401.1746454040133,
   "end_elevation_m": 401.89599613495494,
   "start_xy": [
    198054.287068551,
    2153123.6425903467
   ],
   "end_xy": [
    198057.13736585266,
    2153124.578435041
   ]
  }
 },
 "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_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:26905",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/hi-east/USGS_1M_5_x19y216_HI_Hawaii_Island_Lidar_NOAA_2017_B17.tif"
  ],
  "calculated_at": "2026-09-08T04:16:18+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/hawaii-2026-09-08-batch-band1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "hi-run5-260908",
  "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, HI_Hawaii_Island_Lidar_NOAA_2017_B17 (collected 2017)",
  "elevation_tile_ids": [
   "x19y216"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "South Kona",
  "county": "Hawaii"
 }
}