{
 "ocl_version": "0.1.0",
 "name": "Paauilo Mill Road",
 "slug": "paauilo-mill-road",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.21396062721118,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 274.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 94.93569426477973,
   "end_elevation_m": 95.55997347732395,
   "min_gradient_pct": -13.745972343146207
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.44333485717571,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 291.0,
   "end_distance_m": 294.0,
   "start_elevation_m": 96.27669914321773,
   "end_elevation_m": 97.099999188933,
   "min_gradient_pct": -9.04869935346729
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.688412398184937,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 290.0,
   "end_distance_m": 295.0,
   "start_elevation_m": 96.11551486836352,
   "end_elevation_m": 97.29993548827277,
   "min_gradient_pct": -4.724297788773981
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.740625934132936,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 23.0,
   "end_distance_m": 33.0,
   "start_elevation_m": 71.30629185347775,
   "end_elevation_m": 73.28035444689104,
   "min_gradient_pct": -3.434729809819288
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.13805792039517,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1420.0,
   "end_distance_m": 1440.0,
   "start_elevation_m": 221.86058461581592,
   "end_elevation_m": 225.48819619989496,
   "min_gradient_pct": -0.21524389643005293
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.988259324175033,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1466.0,
   "end_distance_m": 1491.0,
   "start_elevation_m": 228.60536732570446,
   "end_elevation_m": 232.85243215674822,
   "min_gradient_pct": 1.2951322566339627
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.399430141310006,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1446.0,
   "end_distance_m": 1496.0,
   "start_elevation_m": 225.91088710635134,
   "end_elevation_m": 233.61060217700634,
   "min_gradient_pct": 4.386666976268771
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.921469591607092,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1396.0,
   "end_distance_m": 1496.0,
   "start_elevation_m": 218.68913258539925,
   "end_elevation_m": 233.61060217700634,
   "min_gradient_pct": 6.0459857990465045
  }
 ],
 "shape": {
  "ascent_concentration": 0.295,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 313.0,
  "shape_class": "sustained"
 },
 "length_m": 1508.7401869818673,
 "start_elevation_m": 69.72228098785394,
 "end_elevation_m": 234.45032102264742,
 "endpoint_gain_m": 164.72804003479348,
 "overall_gradient_pct": 10.918250965682885,
 "accumulated_ascent_m": 165.97835744511235,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.688412398184937,
   "start_distance_m": 290.0,
   "end_distance_m": 295.0,
   "midpoint_distance_m": 292.5,
   "start_elevation_m": 96.11551486836352,
   "end_elevation_m": 97.29993548827277,
   "start_xy": [
    252954.27732827523,
    2218585.102559721
   ],
   "end_xy": [
    252956.57940371142,
    2218580.694270006
   ]
  },
  "max_10m": {
   "gradient_pct": 19.740625934132936,
   "start_distance_m": 23.0,
   "end_distance_m": 33.0,
   "midpoint_distance_m": 28.0,
   "start_elevation_m": 71.30629185347775,
   "end_elevation_m": 73.28035444689104,
   "start_xy": [
    253136.82638356165,
    2218766.149392015
   ],
   "end_xy": [
    253127.30123542307,
    2218763.10446953
   ]
  },
  "max_20m": {
   "gradient_pct": 18.13805792039517,
   "start_distance_m": 1420.0,
   "end_distance_m": 1440.0,
   "midpoint_distance_m": 1430.0,
   "start_elevation_m": 221.86058461581592,
   "end_elevation_m": 225.48819619989496,
   "start_xy": [
    252361.86582817344,
    2217634.5845693704
   ],
   "end_xy": [
    252351.09362568404,
    2217617.733466928
   ]
  },
  "max_25m": {
   "gradient_pct": 16.988259324175033,
   "start_distance_m": 1466.0,
   "end_distance_m": 1491.0,
   "midpoint_distance_m": 1478.5,
   "start_elevation_m": 228.60536732570446,
   "end_elevation_m": 232.85243215674822,
   "start_xy": [
    252337.0897624478,
    2217595.827033753
   ],
   "end_xy": [
    252323.62450933605,
    2217574.7631556997
   ]
  },
  "max_50m": {
   "gradient_pct": 15.399430141310006,
   "start_distance_m": 1446.0,
   "end_distance_m": 1496.0,
   "midpoint_distance_m": 1471.0,
   "start_elevation_m": 225.91088710635134,
   "end_elevation_m": 233.61060217700634,
   "start_xy": [
    252347.8619649372,
    2217612.6781361955
   ],
   "end_xy": [
    252320.9314587137,
    2217570.5503800893
   ]
  },
  "max_100m": {
   "gradient_pct": 14.921469591607092,
   "start_distance_m": 1396.0,
   "end_distance_m": 1496.0,
   "midpoint_distance_m": 1446.0,
   "start_elevation_m": 218.68913258539925,
   "end_elevation_m": 233.61060217700634,
   "start_xy": [
    252374.60411460808,
    2217654.924305049
   ],
   "end_xy": [
    252320.9314587137,
    2217570.5503800893
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.724297788773981,
   "start_distance_m": 277.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 279.5,
   "start_elevation_m": 95.6783236044757,
   "end_elevation_m": 95.442108715037,
   "start_xy": [
    252961.11484936406,
    2218596.1591552803
   ],
   "end_xy": [
    252958.4850335607,
    2218591.9066185267
   ]
  },
  "min_10m": {
   "gradient_pct": -3.434729809819288,
   "start_distance_m": 301.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 306.0,
   "start_elevation_m": 97.65750525859701,
   "end_elevation_m": 97.31403227761508,
   "start_xy": [
    252959.40689907921,
    2218575.4022694444
   ],
   "end_xy": [
    252950.52094979104,
    2218573.672539893
   ]
  },
  "min_20m": {
   "gradient_pct": -0.21524389643005293,
   "start_distance_m": 297.0,
   "end_distance_m": 317.0,
   "midpoint_distance_m": 307.0,
   "start_elevation_m": 97.54435240445298,
   "end_elevation_m": 97.50130362516697,
   "start_xy": [
    252957.52190216735,
    2218578.9302698188
   ],
   "end_xy": [
    252945.5666785876,
    2218570.3663221775
   ]
  },
  "min_25m": {
   "gradient_pct": 1.2951322566339627,
   "start_distance_m": 297.0,
   "end_distance_m": 322.0,
   "midpoint_distance_m": 309.5,
   "start_elevation_m": 97.54435240445298,
   "end_elevation_m": 97.86813546861147,
   "start_xy": [
    252957.52190216735,
    2218578.9302698188
   ],
   "end_xy": [
    252942.63461186123,
    2218566.389024262
   ]
  },
  "min_50m": {
   "gradient_pct": 4.386666976268771,
   "start_distance_m": 297.0,
   "end_distance_m": 347.0,
   "midpoint_distance_m": 322.0,
   "start_elevation_m": 97.54435240445298,
   "end_elevation_m": 99.73768589258736,
   "start_xy": [
    252957.52190216735,
    2218578.9302698188
   ],
   "end_xy": [
    252929.3294701107,
    2218545.2236468024
   ]
  },
  "min_100m": {
   "gradient_pct": 6.0459857990465045,
   "start_distance_m": 297.0,
   "end_distance_m": 397.0,
   "midpoint_distance_m": 347.0,
   "start_elevation_m": 97.54435240445298,
   "end_elevation_m": 103.59033820349948,
   "start_xy": [
    252957.52190216735,
    2218578.9302698188
   ],
   "end_xy": [
    252902.71918660973,
    2218502.8928918834
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.21396062721118,
   "start_distance_m": 274.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 275.0,
   "start_elevation_m": 94.93569426477973,
   "end_elevation_m": 95.55997347732395,
   "start_xy": [
    252962.69273884612,
    2218598.7106773327
   ],
   "end_xy": [
    252961.64081252477,
    2218597.009662631
   ]
  },
  "max_3m": {
   "gradient_pct": 27.44333485717571,
   "start_distance_m": 291.0,
   "end_distance_m": 294.0,
   "midpoint_distance_m": 292.5,
   "start_elevation_m": 96.27669914321773,
   "end_elevation_m": 97.099999188933,
   "start_xy": [
    252954.69440679954,
    2218584.2222703807
   ],
   "end_xy": [
    252956.10815448346,
    2218581.5762700997
   ]
  }
 },
 "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_start_earlier",
   "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_x25y222_HI_Hawaii_Island_Lidar_NOAA_2017_B17.tif"
  ],
  "calculated_at": "2026-09-09T01:54:55+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.osm.pbf",
  "osm_snapshot": "2026-09-07T20:21:20Z",
  "run_id": "retro-box2-260909",
  "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": [
   "x25y222"
  ],
  "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": "Paauhau-Paauilo",
  "county": "Hawaii"
 }
}