{
 "ocl_version": "0.1.0",
 "name": "Reservoir Road",
 "slug": "reservoir-road-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.875554463138826,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 668.0,
   "end_distance_m": 670.0,
   "start_elevation_m": 120.24815563735315,
   "end_elevation_m": 120.72566672661593,
   "min_gradient_pct": -4.353025045865522
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.332388169239476,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 667.0,
   "end_distance_m": 670.0,
   "start_elevation_m": 120.02569508153874,
   "end_elevation_m": 120.72566672661593,
   "min_gradient_pct": -3.783995784265907
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.023980550158,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 668.0,
   "end_distance_m": 673.0,
   "start_elevation_m": 120.24815563735315,
   "end_elevation_m": 121.39935466486105,
   "min_gradient_pct": -3.415302002775036
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.357596102544903,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 663.0,
   "end_distance_m": 673.0,
   "start_elevation_m": 119.16359505460656,
   "end_elevation_m": 121.39935466486105,
   "min_gradient_pct": -3.0997556161869255
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.29502678501872,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 660.0,
   "end_distance_m": 680.0,
   "start_elevation_m": 118.60823582687128,
   "end_elevation_m": 122.86724118387502,
   "min_gradient_pct": -2.947649870225746
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.76899854350836,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 602.0,
   "end_distance_m": 627.0,
   "start_elevation_m": 107.15023811249996,
   "end_elevation_m": 112.34248774837705,
   "min_gradient_pct": -2.7923757822495077
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.465854107498075,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 591.0,
   "end_distance_m": 641.0,
   "start_elevation_m": 104.99435242838538,
   "end_elevation_m": 115.22727948213442,
   "min_gradient_pct": -1.631800998712734
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.861220548255545,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 586.0,
   "end_distance_m": 686.0,
   "start_elevation_m": 104.05350181556918,
   "end_elevation_m": 123.91472236382472,
   "min_gradient_pct": 0.5448745248983258
  }
 ],
 "shape": {
  "ascent_concentration": 0.351,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 554.0,
  "shape_class": "sustained"
 },
 "length_m": 1032.4947012644652,
 "start_elevation_m": 43.88267665860435,
 "end_elevation_m": 162.3063956100973,
 "endpoint_gain_m": 118.42371895149294,
 "overall_gradient_pct": 11.46966844541313,
 "accumulated_ascent_m": 119.5522967675246,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.023980550158,
   "start_distance_m": 668.0,
   "end_distance_m": 673.0,
   "midpoint_distance_m": 670.5,
   "start_elevation_m": 120.24815563735315,
   "end_elevation_m": 121.39935466486105,
   "start_xy": [
    1412669.9437448035,
    4936209.222349599
   ],
   "end_xy": [
    1412664.9937426806,
    4936209.641309254
   ]
  },
  "max_10m": {
   "gradient_pct": 22.357596102544903,
   "start_distance_m": 663.0,
   "end_distance_m": 673.0,
   "midpoint_distance_m": 668.0,
   "start_elevation_m": 119.16359505460656,
   "end_elevation_m": 121.39935466486105,
   "start_xy": [
    1412674.5824026796,
    4936207.463032789
   ],
   "end_xy": [
    1412664.9937426806,
    4936209.641309254
   ]
  },
  "max_20m": {
   "gradient_pct": 21.29502678501872,
   "start_distance_m": 660.0,
   "end_distance_m": 680.0,
   "midpoint_distance_m": 670.0,
   "start_elevation_m": 118.60823582687128,
   "end_elevation_m": 122.86724118387502,
   "start_xy": [
    1412677.1181765539,
    4936205.85995735
   ],
   "end_xy": [
    1412658.1744255607,
    4936208.079166858
   ]
  },
  "max_25m": {
   "gradient_pct": 20.76899854350836,
   "start_distance_m": 602.0,
   "end_distance_m": 627.0,
   "midpoint_distance_m": 614.5,
   "start_elevation_m": 107.15023811249996,
   "end_elevation_m": 112.34248774837705,
   "start_xy": [
    1412692.746075234,
    4936151.011391114
   ],
   "end_xy": [
    1412689.2466775572,
    4936175.522816648
   ]
  },
  "max_50m": {
   "gradient_pct": 20.465854107498075,
   "start_distance_m": 591.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 616.0,
   "start_elevation_m": 104.99435242838538,
   "end_elevation_m": 115.22727948213442,
   "start_xy": [
    1412698.0026795682,
    4936141.365233284
   ],
   "end_xy": [
    1412685.515597395,
    4936188.981156951
   ]
  },
  "max_100m": {
   "gradient_pct": 19.861220548255545,
   "start_distance_m": 586.0,
   "end_distance_m": 686.0,
   "midpoint_distance_m": 636.0,
   "start_elevation_m": 104.05350181556918,
   "end_elevation_m": 123.91472236382472,
   "start_xy": [
    1412700.566725351,
    4936137.072720125
   ],
   "end_xy": [
    1412652.4037824983,
    4936206.4423654005
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.415302002775036,
   "start_distance_m": 56.0,
   "end_distance_m": 61.0,
   "midpoint_distance_m": 58.5,
   "start_elevation_m": 45.42260432728031,
   "end_elevation_m": 45.25183922714156,
   "start_xy": [
    1412639.4671530072,
    4935732.926090705
   ],
   "end_xy": [
    1412643.1765030052,
    4935736.278809392
   ]
  },
  "min_10m": {
   "gradient_pct": -3.0997556161869255,
   "start_distance_m": 60.0,
   "end_distance_m": 70.0,
   "midpoint_distance_m": 65.0,
   "start_elevation_m": 45.288879583083926,
   "end_elevation_m": 44.97890402146523,
   "start_xy": [
    1412642.4346330056,
    4935735.608265654
   ],
   "end_xy": [
    1412649.8533330017,
    4935742.313703028
   ]
  },
  "min_20m": {
   "gradient_pct": -2.947649870225746,
   "start_distance_m": 56.0,
   "end_distance_m": 76.0,
   "midpoint_distance_m": 66.0,
   "start_elevation_m": 45.42260432728031,
   "end_elevation_m": 44.83307435323516,
   "start_xy": [
    1412639.4671530072,
    4935732.926090705
   ],
   "end_xy": [
    1412654.3045529993,
    4935746.336965452
   ]
  },
  "min_25m": {
   "gradient_pct": -2.7923757822495077,
   "start_distance_m": 51.0,
   "end_distance_m": 76.0,
   "midpoint_distance_m": 63.5,
   "start_elevation_m": 45.53116829879754,
   "end_elevation_m": 44.83307435323516,
   "start_xy": [
    1412635.7599353592,
    4935729.571020135
   ],
   "end_xy": [
    1412654.3045529993,
    4935746.336965452
   ]
  },
  "min_50m": {
   "gradient_pct": -1.631800998712734,
   "start_distance_m": 45.0,
   "end_distance_m": 95.0,
   "midpoint_distance_m": 70.0,
   "start_elevation_m": 45.60874521615332,
   "end_elevation_m": 44.79284471679695,
   "start_xy": [
    1412631.3211194347,
    4935725.534076589
   ],
   "end_xy": [
    1412668.400082992,
    4935759.077296462
   ]
  },
  "min_100m": {
   "gradient_pct": 0.5448745248983258,
   "start_distance_m": 26.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 76.0,
   "start_elevation_m": 45.128664550381515,
   "end_elevation_m": 45.67353907527984,
   "start_xy": [
    1412617.2648690068,
    4935712.75042203
   ],
   "end_xy": [
    1412691.6623931755,
    4935779.565560005
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.875554463138826,
   "start_distance_m": 668.0,
   "end_distance_m": 670.0,
   "midpoint_distance_m": 669.0,
   "start_elevation_m": 120.24815563735315,
   "end_elevation_m": 120.72566672661593,
   "start_xy": [
    1412669.9437448035,
    4936209.222349599
   ],
   "end_xy": [
    1412667.9706895242,
    4936209.508418656
   ]
  },
  "max_3m": {
   "gradient_pct": 23.332388169239476,
   "start_distance_m": 667.0,
   "end_distance_m": 670.0,
   "midpoint_distance_m": 668.5,
   "start_elevation_m": 120.02569508153874,
   "end_elevation_m": 120.72566672661593,
   "start_xy": [
    1412670.9033631017,
    4936208.9410442095
   ],
   "end_xy": [
    1412667.9706895242,
    4936209.508418656
   ]
  }
 },
 "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": 0.05,
   "obstruction_max_height_m": 17.75,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "f5ccc1713da600fbea2ba1433fb64f96644949ee",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:8c94015b54267da4",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.1",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.4",
   "proj": "9.8.1",
   "run_id": "nz-s2",
   "road_pbf": "block-batch-nz-s2.osm.pbf",
   "region_key": "nz",
   "crs": "EPSG:2193",
   "elevation_provider_key": "nz-linz",
   "tile_index": "stac",
   "authority": "linz",
   "registry_pbf": "new-zealand-2026-09-26.osm.pbf",
   "tile_index_snapshot": "sha256:996c8a61eaf9687f"
  },
  "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:2193",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/nz/CE17.tiff"
  ],
  "calculated_at": "2026-09-28T05:09:13+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-nz-s2.osm.pbf",
  "osm_snapshot": "",
  "run_id": "nz-s2",
  "elevation_provider": "LINZ nz-elevation",
  "elevation_licence": "CC BY 4.0 \u2014 Toit\u016b Te Whenua Land Information New Zealand \u2014 https://nz-elevation.s3.ap-southeast-2.amazonaws.com/LICENSE",
  "elevation_dataset": "New Zealand 1 m DEM/DSM national LiDAR mosaic \u2014 Toit\u016b Te Whenua Land Information New Zealand (LINZ), vertical datum NZVD2016 (LINZ documentation; not re-verified against a benchmark)",
  "elevation_tile_ids": [
   "CE17"
  ],
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 2,
  "carriageway": {
   "stations": 48,
   "stations_resolved": 48,
   "width_median_m": 5.0,
   "width_p10_m": 3.5,
   "width_min_m": 2.75,
   "width_max_m": 12.0,
   "bounded_share": 0.188,
   "unbounded_share": 0.812,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.25,
   "window_m": [
    602.0,
    627.0
   ],
   "width_at_max25_m": 4.0,
   "window_stations": 7,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 48,
    "stations_resolved": 48,
    "width_median_m": 8.0,
    "width_p10_m": 5.42,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.604,
    "unbounded_share": 0.396,
    "confidence_median": 0.946,
    "width_median_bounded_m": 6.25,
    "window_m": [
     602.0,
     627.0
    ],
    "width_at_max25_m": 8.75,
    "window_stations": 7,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Otago",
  "county": "Otago",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}