{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (-36.8575, 175.8114)",
 "slug": "discovered-lane-36-8575-175-8114",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.58044693078221,
   "diagnostic": true,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 124.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 29.1068756355735,
   "end_elevation_m": 29.638484574189143,
   "min_gradient_pct": -9.48774807781092,
   "suppressed_min_gradient_pct": -10.011879084133568,
   "suppressed_min_location_m": [
    735.0,
    737.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.537834457765186,
   "diagnostic": true,
   "flags": [
    "structure_excluded_min"
   ],
   "start_distance_m": 124.0,
   "end_distance_m": 127.0,
   "start_elevation_m": 29.1068756355735,
   "end_elevation_m": 29.903010669306454,
   "min_gradient_pct": -9.165929532906366,
   "suppressed_min_gradient_pct": -9.877292879033442,
   "suppressed_min_location_m": [
    735.0,
    738.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.8964799635644,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 122.0,
   "end_distance_m": 127.0,
   "start_elevation_m": 28.608186671128234,
   "end_elevation_m": 29.903010669306454,
   "min_gradient_pct": -7.94400893485701,
   "suppressed_min_gradient_pct": -9.798327790698806,
   "suppressed_min_location_m": [
    735.0,
    740.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.267882368326354,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 119.0,
   "end_distance_m": 129.0,
   "start_elevation_m": 27.91703673340262,
   "end_elevation_m": 30.343824970235257,
   "min_gradient_pct": -6.5191346515769055,
   "suppressed_min_gradient_pct": -9.134823418422258,
   "suppressed_min_location_m": [
    731.0,
    741.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.785277058417197,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 119.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 27.91703673340262,
   "end_elevation_m": 32.47409214508606,
   "min_gradient_pct": -4.962898432655223,
   "suppressed_min_gradient_pct": -8.391703959167032,
   "suppressed_min_location_m": [
    724.0,
    744.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.128713610918126,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 117.0,
   "end_distance_m": 142.0,
   "start_elevation_m": 27.51011132479945,
   "end_elevation_m": 33.04228972752898,
   "min_gradient_pct": -4.195806850361123,
   "suppressed_min_gradient_pct": -8.021686584694464,
   "suppressed_min_location_m": [
    721.0,
    746.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.564432041861266,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 112.0,
   "end_distance_m": 162.0,
   "start_elevation_m": 26.719482861477324,
   "end_elevation_m": 35.50169888240796,
   "min_gradient_pct": -0.12301538165972659,
   "suppressed_min_gradient_pct": -4.682562830278499,
   "suppressed_min_location_m": [
    715.0,
    765.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.24129632938774,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "canopy_or_structure"
   ],
   "start_distance_m": 113.0,
   "end_distance_m": 213.0,
   "start_elevation_m": 26.863349820372537,
   "end_elevation_m": 44.10464614976028,
   "min_gradient_pct": 0.489968096091566,
   "suppressed_min_gradient_pct": -1.4648566113494468,
   "suppressed_min_location_m": [
    711.0,
    811.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.441,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 120.0,
  "shape_class": "sustained"
 },
 "length_m": 872.0000000002768,
 "start_elevation_m": 19.89473276847478,
 "end_elevation_m": 77.79377800439809,
 "endpoint_gain_m": 57.89904523592331,
 "overall_gradient_pct": 6.639798765585428,
 "accumulated_ascent_m": 62.26110452103861,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.8964799635644,
   "start_distance_m": 122.0,
   "end_distance_m": 127.0,
   "midpoint_distance_m": 124.5,
   "start_elevation_m": 28.608186671128234,
   "end_elevation_m": 29.903010669306454,
   "start_xy": [
    1850436.284698681,
    5917146.932048321
   ],
   "end_xy": [
    1850441.1780836105,
    5917145.905021577
   ]
  },
  "max_10m": {
   "gradient_pct": 24.267882368326354,
   "start_distance_m": 119.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 124.0,
   "start_elevation_m": 27.91703673340262,
   "end_elevation_m": 30.343824970235257,
   "start_xy": [
    1850433.3486677234,
    5917147.548264367
   ],
   "end_xy": [
    1850442.9105129354,
    5917146.630361404
   ]
  },
  "max_20m": {
   "gradient_pct": 22.785277058417197,
   "start_distance_m": 119.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 129.0,
   "start_elevation_m": 27.91703673340262,
   "end_elevation_m": 32.47409214508606,
   "start_xy": [
    1850433.3486677234,
    5917147.548264367
   ],
   "end_xy": [
    1850450.2913447754,
    5917153.172123666
   ]
  },
  "max_25m": {
   "gradient_pct": 22.128713610918126,
   "start_distance_m": 117.0,
   "end_distance_m": 142.0,
   "midpoint_distance_m": 129.5,
   "start_elevation_m": 27.51011132479945,
   "end_elevation_m": 33.04228972752898,
   "start_xy": [
    1850431.5023486868,
    5917148.274624597
   ],
   "end_xy": [
    1850451.9477192557,
    5917155.651972311
   ]
  },
  "max_50m": {
   "gradient_pct": 17.564432041861266,
   "start_distance_m": 112.0,
   "end_distance_m": 162.0,
   "midpoint_distance_m": 137.0,
   "start_elevation_m": 26.719482861477324,
   "end_elevation_m": 35.50169888240796,
   "start_xy": [
    1850427.263929331,
    5917150.8957585255
   ],
   "end_xy": [
    1850453.2053551767,
    5917175.367840327
   ]
  },
  "max_100m": {
   "gradient_pct": 17.24129632938774,
   "start_distance_m": 113.0,
   "end_distance_m": 213.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 26.863349820372537,
   "end_elevation_m": 44.10464614976028,
   "start_xy": [
    1850428.0703145908,
    5917150.30436795
   ],
   "end_xy": [
    1850467.635244434,
    5917222.803451159
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.94400893485701,
   "start_distance_m": 374.0,
   "end_distance_m": 379.0,
   "midpoint_distance_m": 376.5,
   "start_elevation_m": 56.96677735187935,
   "end_elevation_m": 56.5695769051365,
   "start_xy": [
    1850554.0799382927,
    5917193.167673705
   ],
   "end_xy": [
    1850558.3296277712,
    5917195.802088125
   ]
  },
  "min_10m": {
   "gradient_pct": -6.5191346515769055,
   "start_distance_m": 371.0,
   "end_distance_m": 381.0,
   "midpoint_distance_m": 376.0,
   "start_elevation_m": 57.17517659813082,
   "end_elevation_m": 56.52326313297313,
   "start_xy": [
    1850551.5301246056,
    5917191.587025053
   ],
   "end_xy": [
    1850560.003992434,
    5917196.89428506
   ]
  },
  "min_20m": {
   "gradient_pct": -4.962898432655223,
   "start_distance_m": 371.0,
   "end_distance_m": 391.0,
   "midpoint_distance_m": 381.0,
   "start_elevation_m": 57.17517659813082,
   "end_elevation_m": 56.182596911599774,
   "start_xy": [
    1850551.5301246056,
    5917191.587025053
   ],
   "end_xy": [
    1850567.9544253799,
    5917202.913169945
   ]
  },
  "min_25m": {
   "gradient_pct": -4.195806850361123,
   "start_distance_m": 368.0,
   "end_distance_m": 393.0,
   "midpoint_distance_m": 380.5,
   "start_elevation_m": 57.1964903663117,
   "end_elevation_m": 56.14753865372142,
   "start_xy": [
    1850548.9803109185,
    5917190.006376401
   ],
   "end_xy": [
    1850569.3033951798,
    5917204.389747229
   ]
  },
  "min_50m": {
   "gradient_pct": -0.12301538165972659,
   "start_distance_m": 363.0,
   "end_distance_m": 413.0,
   "midpoint_distance_m": 388.0,
   "start_elevation_m": 57.05874456413961,
   "end_elevation_m": 56.997236873309745,
   "start_xy": [
    1850544.73062144,
    5917187.37196198
   ],
   "end_xy": [
    1850581.1636096255,
    5917220.382471806
   ]
  },
  "min_100m": {
   "gradient_pct": 0.489968096091566,
   "start_distance_m": 367.0,
   "end_distance_m": 467.0,
   "midpoint_distance_m": 417.0,
   "start_elevation_m": 57.19878235859452,
   "end_elevation_m": 57.68875045468609,
   "start_xy": [
    1850548.1303730228,
    5917189.4794935165
   ],
   "end_xy": [
    1850629.0876012056,
    5917242.30717783
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.58044693078221,
   "start_distance_m": 124.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 29.1068756355735,
   "end_elevation_m": 29.638484574189143,
   "start_xy": [
    1850438.2420526529,
    5917146.521237623
   ],
   "end_xy": [
    1850440.1994066245,
    5917146.110426926
   ]
  },
  "max_3m": {
   "gradient_pct": 26.537834457765186,
   "start_distance_m": 124.0,
   "end_distance_m": 127.0,
   "midpoint_distance_m": 125.5,
   "start_elevation_m": 29.1068756355735,
   "end_elevation_m": 29.903010669306454,
   "start_xy": [
    1850438.2420526529,
    5917146.521237623
   ],
   "end_xy": [
    1850441.1780836105,
    5917145.905021577
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.047,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.417,
   "obstruction_max_height_m": 28.02,
   "flagged_windows_m": [
    2,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    728.0,
    768.0
   ]
  ],
  "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-n4",
   "road_pbf": "block-batch-nz-n4.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": "sha256:390129777b339b3d"
  },
  "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/BA35.tiff",
   "data/cache/nz/BA36.tiff"
  ],
  "calculated_at": "2026-09-28T06:00:11+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-nz-n4.osm.pbf",
  "osm_snapshot": "",
  "run_id": "nz-n4",
  "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": [
   "BA35",
   "BA36"
  ],
  "route_summit_trim_m": 304.0,
  "route_summit_trim_loss_m": 25.1,
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 1,
  "structure_mask_ranges_m": [
   [
    733.7,
    763.7
   ]
  ],
  "carriageway": {
   "stations": 41,
   "stations_resolved": 41,
   "width_median_m": 6.0,
   "width_p10_m": 4.0,
   "width_min_m": 2.25,
   "width_max_m": 12.0,
   "bounded_share": 0.146,
   "unbounded_share": 0.854,
   "confidence_median": 0.0,
   "width_median_bounded_m": 5.62,
   "window_m": [
    117.0,
    142.0
   ],
   "width_at_max25_m": 5.75,
   "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": 41,
    "stations_resolved": 41,
    "width_median_m": 3.0,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.756,
    "unbounded_share": 0.244,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.0,
    "window_m": [
     117.0,
     142.0
    ],
    "width_at_max25_m": 2.0,
    "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": "Waikato",
  "county": "Waikato",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}