{
 "ocl_version": "0.1.0",
 "name": "Halau Place",
 "slug": "halau-place",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.71347574610317,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 163.0,
   "end_distance_m": 165.0,
   "start_elevation_m": 86.73000870426677,
   "end_elevation_m": 87.38427821918883,
   "min_gradient_pct": -16.031422237988835
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.233338920845615,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 200.0,
   "start_elevation_m": 91.63958090915477,
   "end_elevation_m": 92.51658107678014,
   "min_gradient_pct": -15.507475947149866
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.026006773883978,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 202.0,
   "end_distance_m": 207.0,
   "start_elevation_m": 92.89225787456262,
   "end_elevation_m": 94.29355821325682,
   "min_gradient_pct": -13.273179527870127
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.539773041020425,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 207.0,
   "start_elevation_m": 91.63958090915477,
   "end_elevation_m": 94.29355821325682,
   "min_gradient_pct": -10.794531941235164
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.192687904036575,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 207.0,
   "start_elevation_m": 89.2550206324495,
   "end_elevation_m": 94.29355821325682,
   "min_gradient_pct": -8.959451749851866
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.37751311612823,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 212.0,
   "start_elevation_m": 89.2550206324495,
   "end_elevation_m": 95.34939891148156,
   "min_gradient_pct": -8.123002422123022
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.101346934153895,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 187.0,
   "end_distance_m": 237.0,
   "start_elevation_m": 89.2550206324495,
   "end_elevation_m": 99.80569409952645,
   "min_gradient_pct": -6.188315983649687
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.689451736567435,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 162.0,
   "end_distance_m": 262.0,
   "start_elevation_m": 86.65270340967847,
   "end_elevation_m": 103.3421551462459,
   "min_gradient_pct": -2.722426045004184
  }
 ],
 "shape": {
  "ascent_concentration": 0.476,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 88.0,
  "shape_class": "stepped"
 },
 "length_m": 783.3420664399779,
 "start_elevation_m": 92.26921750975214,
 "end_elevation_m": 136.96707232126366,
 "endpoint_gain_m": 44.69785481151152,
 "overall_gradient_pct": 5.706045510187905,
 "accumulated_ascent_m": 52.86843696695294,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.026006773883978,
   "start_distance_m": 202.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 204.5,
   "start_elevation_m": 92.89225787456262,
   "end_elevation_m": 94.29355821325682,
   "start_xy": [
    786348.867790025,
    2316031.715227764
   ],
   "end_xy": [
    786344.112838275,
    2316030.169124968
   ]
  },
  "max_10m": {
   "gradient_pct": 26.539773041020425,
   "start_distance_m": 197.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 202.0,
   "start_elevation_m": 91.63958090915477,
   "end_elevation_m": 94.29355821325682,
   "start_xy": [
    786353.6227417748,
    2316033.2613305603
   ],
   "end_xy": [
    786344.112838275,
    2316030.169124968
   ]
  },
  "max_20m": {
   "gradient_pct": 25.192687904036575,
   "start_distance_m": 187.0,
   "end_distance_m": 207.0,
   "midpoint_distance_m": 197.0,
   "start_elevation_m": 89.2550206324495,
   "end_elevation_m": 94.29355821325682,
   "start_xy": [
    786361.5270653205,
    2316039.0209249593
   ],
   "end_xy": [
    786344.112838275,
    2316030.169124968
   ]
  },
  "max_25m": {
   "gradient_pct": 24.37751311612823,
   "start_distance_m": 187.0,
   "end_distance_m": 212.0,
   "midpoint_distance_m": 199.5,
   "start_elevation_m": 89.2550206324495,
   "end_elevation_m": 95.34939891148156,
   "start_xy": [
    786361.5270653205,
    2316039.0209249593
   ],
   "end_xy": [
    786339.2473987532,
    2316029.08671788
   ]
  },
  "max_50m": {
   "gradient_pct": 21.101346934153895,
   "start_distance_m": 187.0,
   "end_distance_m": 237.0,
   "midpoint_distance_m": 212.0,
   "start_elevation_m": 89.2550206324495,
   "end_elevation_m": 99.80569409952645,
   "start_xy": [
    786361.5270653205,
    2316039.0209249593
   ],
   "end_xy": [
    786314.5411809875,
    2316025.2653563796
   ]
  },
  "max_100m": {
   "gradient_pct": 16.689451736567435,
   "start_distance_m": 162.0,
   "end_distance_m": 262.0,
   "midpoint_distance_m": 212.0,
   "start_elevation_m": 86.65270340967847,
   "end_elevation_m": 103.3421551462459,
   "start_xy": [
    786378.4521316546,
    2316057.3578188997
   ],
   "end_xy": [
    786290.8215660473,
    2316030.7624665075
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.273179527870127,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 92.18448457941487,
   "end_elevation_m": 91.52082560302136,
   "start_xy": [
    786428.7585809288,
    2316201.7736945683
   ],
   "end_xy": [
    786429.4164855729,
    2316196.817167409
   ]
  },
  "min_10m": {
   "gradient_pct": -10.794531941235164,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 92.26921750975214,
   "end_elevation_m": 91.18976431562862,
   "start_xy": [
    786428.627,
    2316202.765
   ],
   "end_xy": [
    786429.9428092883,
    2316192.851945682
   ]
  },
  "min_20m": {
   "gradient_pct": -8.959451749851866,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 92.26921750975214,
   "end_elevation_m": 90.47732715978177,
   "start_xy": [
    786428.627,
    2316202.765
   ],
   "end_xy": [
    786431.2586185767,
    2316182.938891364
   ]
  },
  "min_25m": {
   "gradient_pct": -8.123002422123022,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 92.26921750975214,
   "end_elevation_m": 90.23846690422138,
   "start_xy": [
    786428.627,
    2316202.765
   ],
   "end_xy": [
    786431.9165232208,
    2316177.9823642047
   ]
  },
  "min_50m": {
   "gradient_pct": -6.188315983649687,
   "start_distance_m": 112.0,
   "end_distance_m": 162.0,
   "midpoint_distance_m": 137.0,
   "start_elevation_m": 89.74686140150331,
   "end_elevation_m": 86.65270340967847,
   "start_xy": [
    786407.4265256637,
    2316098.077902608
   ],
   "end_xy": [
    786378.4521316546,
    2316057.3578188997
   ]
  },
  "min_100m": {
   "gradient_pct": -2.722426045004184,
   "start_distance_m": 62.0,
   "end_distance_m": 162.0,
   "midpoint_distance_m": 112.0,
   "start_elevation_m": 89.37512945468265,
   "end_elevation_m": 86.65270340967847,
   "start_xy": [
    786432.169420392,
    2316141.2833052906
   ],
   "end_xy": [
    786378.4521316546,
    2316057.3578188997
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.71347574610317,
   "start_distance_m": 163.0,
   "end_distance_m": 165.0,
   "midpoint_distance_m": 164.0,
   "start_elevation_m": 86.73000870426677,
   "end_elevation_m": 87.38427821918883,
   "start_xy": [
    786377.8235657983,
    2316056.5800625337
   ],
   "end_xy": [
    786376.5664340857,
    2316055.0245498028
   ]
  },
  "max_3m": {
   "gradient_pct": 29.233338920845615,
   "start_distance_m": 197.0,
   "end_distance_m": 200.0,
   "midpoint_distance_m": 198.5,
   "start_elevation_m": 91.63958090915477,
   "end_elevation_m": 92.51658107678014,
   "start_xy": [
    786353.6227417748,
    2316033.2613305603
   ],
   "end_xy": [
    786350.7697707248,
    2316032.3336688825
   ]
  }
 },
 "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": [
   "descends_at_start"
  ]
 },
 "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:26904",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/hi/USGS_1M_4_x78y232_HI_NOAAMauiOahu_2020_B20.tif"
  ],
  "calculated_at": "2026-09-08T04:14:21+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_NOAAMauiOahu_2020_B20 (collected 2020)",
  "elevation_tile_ids": [
   "x78y232"
  ],
  "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": "Haiku-Pauwela",
  "county": "Hawaii"
 },
 "review_flags": [
  {
   "kind": "possible-bridge-or-hollow",
   "span_m": [
    93.0,
    235.0
   ],
   "status": "pending-human-review",
   "noted": "2026-09-21",
   "figure_adjusted": false
  }
 ]
}