{
 "ocl_version": "0.1.0",
 "name": "Sunset Drive",
 "slug": "sunset-drive-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.99716960531856,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1043.0,
   "end_distance_m": 1045.0,
   "start_elevation_m": 169.47558014566596,
   "end_elevation_m": 170.27552353777233,
   "min_gradient_pct": -4.024181903152169
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.28586695328776,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1042.0,
   "end_distance_m": 1045.0,
   "start_elevation_m": 169.2769475291737,
   "end_elevation_m": 170.27552353777233,
   "min_gradient_pct": -3.4052509822553625
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.059409603432073,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1042.0,
   "end_distance_m": 1047.0,
   "start_elevation_m": 169.2769475291737,
   "end_elevation_m": 170.6799180093453,
   "min_gradient_pct": -2.32965544364788
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.698151586595202,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1000.0,
   "end_distance_m": 1010.0,
   "start_elevation_m": 163.00725100857971,
   "end_elevation_m": 165.37706616723924,
   "min_gradient_pct": 0.10767916461503546
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.21791019104876,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 958.0,
   "end_distance_m": 978.0,
   "start_elevation_m": 154.65224047468348,
   "end_elevation_m": 158.89582251289323,
   "min_gradient_pct": 1.5041330882041848
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.159905767662053,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 958.0,
   "end_distance_m": 983.0,
   "start_elevation_m": 154.65224047468348,
   "end_elevation_m": 159.942216916599,
   "min_gradient_pct": 1.5382095084223124
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.562406431212192,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 960.0,
   "end_distance_m": 1010.0,
   "start_elevation_m": 155.09586295163314,
   "end_elevation_m": 165.37706616723924,
   "min_gradient_pct": 2.0671828909301553
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.528604157387605,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1171.0,
   "end_distance_m": 1271.0,
   "start_elevation_m": 188.76925437519722,
   "end_elevation_m": 207.29785853258483,
   "min_gradient_pct": 2.5064676614784958
  }
 ],
 "shape": {
  "ascent_concentration": 0.477,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 338.0,
  "shape_class": "stepped"
 },
 "length_m": 1287.9953773424259,
 "start_elevation_m": 96.32928360289978,
 "end_elevation_m": 209.61813923422753,
 "endpoint_gain_m": 113.28885563132775,
 "overall_gradient_pct": 8.795750173038767,
 "accumulated_ascent_m": 113.75900146837341,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.059409603432073,
   "start_distance_m": 1042.0,
   "end_distance_m": 1047.0,
   "midpoint_distance_m": 1044.5,
   "start_elevation_m": 169.2769475291737,
   "end_elevation_m": 170.6799180093453,
   "start_xy": [
    189548.06594105216,
    2170312.000549342
   ],
   "end_xy": [
    189550.66712656931,
    2170316.270658697
   ]
  },
  "max_10m": {
   "gradient_pct": 23.698151586595202,
   "start_distance_m": 1000.0,
   "end_distance_m": 1010.0,
   "midpoint_distance_m": 1005.0,
   "start_elevation_m": 163.00725100857971,
   "end_elevation_m": 165.37706616723924,
   "start_xy": [
    189526.2159827081,
    2170276.1316307583
   ],
   "end_xy": [
    189531.4183537424,
    2170284.6718494687
   ]
  },
  "max_20m": {
   "gradient_pct": 21.21791019104876,
   "start_distance_m": 958.0,
   "end_distance_m": 978.0,
   "midpoint_distance_m": 968.0,
   "start_elevation_m": 154.65224047468348,
   "end_elevation_m": 158.89582251289323,
   "start_xy": [
    189497.4089996747,
    2170246.9455061415
   ],
   "end_xy": [
    189513.65542966954,
    2170258.2932918784
   ]
  },
  "max_25m": {
   "gradient_pct": 21.159905767662053,
   "start_distance_m": 958.0,
   "end_distance_m": 983.0,
   "midpoint_distance_m": 970.5,
   "start_elevation_m": 154.65224047468348,
   "end_elevation_m": 159.942216916599,
   "start_xy": [
    189497.4089996747,
    2170246.9455061415
   ],
   "end_xy": [
    189517.37195194978,
    2170261.6132589504
   ]
  },
  "max_50m": {
   "gradient_pct": 20.562406431212192,
   "start_distance_m": 960.0,
   "end_distance_m": 1010.0,
   "midpoint_distance_m": 985.0,
   "start_elevation_m": 155.09586295163314,
   "end_elevation_m": 165.37706616723924,
   "start_xy": [
    189499.23427391937,
    2170247.7630475364
   ],
   "end_xy": [
    189531.4183537424,
    2170284.6718494687
   ]
  },
  "max_100m": {
   "gradient_pct": 18.528604157387605,
   "start_distance_m": 1171.0,
   "end_distance_m": 1271.0,
   "midpoint_distance_m": 1221.0,
   "start_elevation_m": 188.76925437519722,
   "end_elevation_m": 207.29785853258483,
   "start_xy": [
    189632.6381308878,
    2170399.4693811694
   ],
   "end_xy": [
    189732.62627513797,
    2170400.7850776203
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.32965544364788,
   "start_distance_m": 762.0,
   "end_distance_m": 767.0,
   "midpoint_distance_m": 764.5,
   "start_elevation_m": 126.67401230366264,
   "end_elevation_m": 126.55752953148024,
   "start_xy": [
    189302.72762776606,
    2170251.5163713223
   ],
   "end_xy": [
    189307.6844727864,
    2170251.95648891
   ]
  },
  "min_10m": {
   "gradient_pct": 0.10767916461503546,
   "start_distance_m": 759.0,
   "end_distance_m": 769.0,
   "midpoint_distance_m": 764.0,
   "start_elevation_m": 126.61292266789386,
   "end_elevation_m": 126.62369058435536,
   "start_xy": [
    189300.14082164652,
    2170251.751625219
   ],
   "end_xy": [
    189309.68174505612,
    2170251.8520691767
   ]
  },
  "min_20m": {
   "gradient_pct": 1.5041330882041848,
   "start_distance_m": 1.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 11.0,
   "start_elevation_m": 96.35067783186125,
   "end_elevation_m": 96.65150444950208,
   "start_xy": [
    188983.24102792624,
    2170940.3186481623
   ],
   "end_xy": [
    188991.5615864509,
    2170922.13161141
   ]
  },
  "min_25m": {
   "gradient_pct": 1.5382095084223124,
   "start_distance_m": 1.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 13.5,
   "start_elevation_m": 96.35067783186125,
   "end_elevation_m": 96.73523020896683,
   "start_xy": [
    188983.24102792624,
    2170940.3186481623
   ],
   "end_xy": [
    188993.64172608207,
    2170917.584852222
   ]
  },
  "min_50m": {
   "gradient_pct": 2.0671828909301553,
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 96.35067783186125,
   "end_elevation_m": 97.38426927732633,
   "start_xy": [
    188983.24102792624,
    2170940.3186481623
   ],
   "end_xy": [
    189004.04242423788,
    2170894.851056281
   ]
  },
  "min_100m": {
   "gradient_pct": 2.5064676614784958,
   "start_distance_m": 4.0,
   "end_distance_m": 104.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 96.41698345526001,
   "end_elevation_m": 98.9234511167385,
   "start_xy": [
    188984.48911170496,
    2170937.5905926498
   ],
   "end_xy": [
    189026.0919043282,
    2170846.655408887
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.99716960531856,
   "start_distance_m": 1043.0,
   "end_distance_m": 1045.0,
   "midpoint_distance_m": 1044.0,
   "start_elevation_m": 169.47558014566596,
   "end_elevation_m": 170.27552353777233,
   "start_xy": [
    189548.58617815562,
    2170312.854571213
   ],
   "end_xy": [
    189549.62665236247,
    2170314.562614955
   ]
  },
  "max_3m": {
   "gradient_pct": 33.28586695328776,
   "start_distance_m": 1042.0,
   "end_distance_m": 1045.0,
   "midpoint_distance_m": 1043.5,
   "start_elevation_m": 169.2769475291737,
   "end_elevation_m": 170.27552353777233,
   "start_xy": [
    189548.06594105216,
    2170312.000549342
   ],
   "end_xy": [
    189549.62665236247,
    2170314.562614955
   ]
  }
 },
 "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_x18y218_HI_Hawaii_Island_Lidar_NOAA_2017_B17.tif"
  ],
  "calculated_at": "2026-09-08T04:21:55+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-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": [
   "x18y218"
  ],
  "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": "North Kona",
  "county": "Hawaii"
 }
}