{
 "ocl_version": "0.1.0",
 "name": "Gr\u00f8slandvegen",
 "slug": "groslandvegen",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 49.71543605439024,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 620.0,
   "end_distance_m": 622.0,
   "start_elevation_m": 226.1053983911342,
   "end_elevation_m": 227.099707112222,
   "min_gradient_pct": -50.383004051764146,
   "suppressed_max_gradient_pct": 60.00752114473471,
   "suppressed_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 39.4354057174174,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 619.0,
   "end_distance_m": 622.0,
   "start_elevation_m": 225.91664494069948,
   "end_elevation_m": 227.099707112222,
   "min_gradient_pct": -43.25707222146017,
   "suppressed_max_gradient_pct": 47.27776880863246,
   "suppressed_location_m": [
    363.0,
    366.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.74400306009784,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "suppression_unstable",
    "canopy_or_structure"
   ],
   "start_distance_m": 2768.0,
   "end_distance_m": 2773.0,
   "start_elevation_m": 431.6511694800968,
   "end_elevation_m": 433.1383696331017,
   "min_gradient_pct": -30.552507301863443,
   "suppressed_max_gradient_pct": 34.740000582776815,
   "suppressed_location_m": [
    363.0,
    368.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.236070628436437,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4133.0,
   "end_distance_m": 4143.0,
   "start_elevation_m": 560.5637258926587,
   "end_elevation_m": 562.9873329555023,
   "min_gradient_pct": -17.195644272285335,
   "suppressed_max_gradient_pct": 32.31720297062651,
   "suppressed_location_m": [
    363.0,
    373.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.591132830988784,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 619.0,
   "end_distance_m": 639.0,
   "start_elevation_m": 225.91664494069948,
   "end_elevation_m": 229.63487150689724,
   "min_gradient_pct": -9.868153073996382,
   "suppressed_max_gradient_pct": 21.715093906776133,
   "suppressed_location_m": [
    2997.0,
    3017.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.519358812529845,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 619.0,
   "end_distance_m": 644.0,
   "start_elevation_m": 225.91664494069948,
   "end_elevation_m": 230.29648464383195,
   "min_gradient_pct": -7.210963224273655,
   "suppressed_max_gradient_pct": 18.96038358798114,
   "suppressed_location_m": [
    2992.0,
    3017.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.501112038090241,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7606.0,
   "end_distance_m": 7656.0,
   "start_elevation_m": 835.55232999496,
   "end_elevation_m": 843.3028860140051,
   "min_gradient_pct": -0.24073993081583467
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.886815320663004,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7604.0,
   "end_distance_m": 7704.0,
   "start_elevation_m": 835.3257304888945,
   "end_elevation_m": 850.2125458095575,
   "min_gradient_pct": 2.358224322807473
  }
 ],
 "shape": {
  "ascent_concentration": 0.281,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 173.0,
  "shape_class": "sustained"
 },
 "length_m": 8079.415298551726,
 "start_elevation_m": 174.60149041561255,
 "end_elevation_m": 879.148560408328,
 "endpoint_gain_m": 704.5470699927155,
 "overall_gradient_pct": 8.720272989544293,
 "accumulated_ascent_m": 719.2712380996211,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.74400306009784,
   "start_distance_m": 2768.0,
   "end_distance_m": 2773.0,
   "midpoint_distance_m": 2770.5,
   "start_elevation_m": 431.6511694800968,
   "end_elevation_m": 433.1383696331017,
   "start_xy": [
    190430.94998924193,
    6710433.4997082865
   ],
   "end_xy": [
    190435.70949082624,
    6710435.044339509
   ]
  },
  "max_10m": {
   "gradient_pct": 24.236070628436437,
   "start_distance_m": 4133.0,
   "end_distance_m": 4143.0,
   "midpoint_distance_m": 4138.0,
   "start_elevation_m": 560.5637258926587,
   "end_elevation_m": 562.9873329555023,
   "start_xy": [
    190403.3255796581,
    6709692.1026353715
   ],
   "end_xy": [
    190405.24868129237,
    6709682.287100611
   ]
  },
  "max_20m": {
   "gradient_pct": 18.591132830988784,
   "start_distance_m": 619.0,
   "end_distance_m": 639.0,
   "midpoint_distance_m": 629.0,
   "start_elevation_m": 225.91664494069948,
   "end_elevation_m": 229.63487150689724,
   "start_xy": [
    190422.49473577828,
    6711031.123579674
   ],
   "end_xy": [
    190438.73162432367,
    6711019.681417708
   ]
  },
  "max_25m": {
   "gradient_pct": 17.519358812529845,
   "start_distance_m": 619.0,
   "end_distance_m": 644.0,
   "midpoint_distance_m": 631.5,
   "start_elevation_m": 225.91664494069948,
   "end_elevation_m": 230.29648464383195,
   "start_xy": [
    190422.49473577828,
    6711031.123579674
   ],
   "end_xy": [
    190443.31709725334,
    6711017.679195261
   ]
  },
  "max_50m": {
   "gradient_pct": 15.501112038090241,
   "start_distance_m": 7606.0,
   "end_distance_m": 7656.0,
   "midpoint_distance_m": 7631.0,
   "start_elevation_m": 835.55232999496,
   "end_elevation_m": 843.3028860140051,
   "start_xy": [
    189802.97380771043,
    6707188.8632603
   ],
   "end_xy": [
    189785.88565170643,
    6707142.784554486
   ]
  },
  "max_100m": {
   "gradient_pct": 14.886815320663004,
   "start_distance_m": 7604.0,
   "end_distance_m": 7704.0,
   "midpoint_distance_m": 7654.0,
   "start_elevation_m": 835.3257304888945,
   "end_elevation_m": 850.2125458095575,
   "start_xy": [
    189803.09441353608,
    6707190.861181948
   ],
   "end_xy": [
    189754.3558753255,
    6707106.88852683
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -30.552507301863443,
   "start_distance_m": 6049.0,
   "end_distance_m": 6054.0,
   "midpoint_distance_m": 6051.5,
   "start_elevation_m": 701.7905927010725,
   "end_elevation_m": 700.2629673359793,
   "start_xy": [
    189812.4945344622,
    6708578.9419879485
   ],
   "end_xy": [
    189810.57771126917,
    6708574.319784394
   ]
  },
  "min_10m": {
   "gradient_pct": -17.195644272285335,
   "start_distance_m": 6044.0,
   "end_distance_m": 6054.0,
   "midpoint_distance_m": 6049.0,
   "start_elevation_m": 701.9825317632078,
   "end_elevation_m": 700.2629673359793,
   "start_xy": [
    189814.15102989666,
    6708583.659982368
   ],
   "end_xy": [
    189810.57771126917,
    6708574.319784394
   ]
  },
  "min_20m": {
   "gradient_pct": -9.868153073996382,
   "start_distance_m": 6034.0,
   "end_distance_m": 6054.0,
   "midpoint_distance_m": 6044.0,
   "start_elevation_m": 702.2365979507786,
   "end_elevation_m": 700.2629673359793,
   "start_xy": [
    189817.4082258728,
    6708593.061824707
   ],
   "end_xy": [
    189810.57771126917,
    6708574.319784394
   ]
  },
  "min_25m": {
   "gradient_pct": -7.210963224273655,
   "start_distance_m": 6029.0,
   "end_distance_m": 6054.0,
   "midpoint_distance_m": 6041.5,
   "start_elevation_m": 702.0657081420477,
   "end_elevation_m": 700.2629673359793,
   "start_xy": [
    189821.20192142657,
    6708596.324775336
   ],
   "end_xy": [
    189810.57771126917,
    6708574.319784394
   ]
  },
  "min_50m": {
   "gradient_pct": -0.24073993081583467,
   "start_distance_m": 6005.0,
   "end_distance_m": 6055.0,
   "midpoint_distance_m": 6030.0,
   "start_elevation_m": 700.4519606179681,
   "end_elevation_m": 700.3315906525602,
   "start_xy": [
    189843.90643383464,
    6708599.988566795
   ],
   "end_xy": [
    189810.19434663057,
    6708573.395343683
   ]
  },
  "min_100m": {
   "gradient_pct": 2.358224322807473,
   "start_distance_m": 4842.0,
   "end_distance_m": 4942.0,
   "midpoint_distance_m": 4892.0,
   "start_elevation_m": 610.1528613017595,
   "end_elevation_m": 612.5110856245669,
   "start_xy": [
    189922.55031986168,
    6709405.120138311
   ],
   "end_xy": [
    189831.97664276313,
    6709425.114319812
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 49.71543605439024,
   "start_distance_m": 620.0,
   "end_distance_m": 622.0,
   "midpoint_distance_m": 621.0,
   "start_elevation_m": 226.1053983911342,
   "end_elevation_m": 227.099707112222,
   "start_xy": [
    190423.22555031368,
    6711030.43986933
   ],
   "end_xy": [
    190424.68717938452,
    6711029.072448643
   ]
  },
  "max_3m": {
   "gradient_pct": 39.4354057174174,
   "start_distance_m": 619.0,
   "end_distance_m": 622.0,
   "midpoint_distance_m": 620.5,
   "start_elevation_m": 225.91664494069948,
   "end_elevation_m": 227.099707112222,
   "start_xy": [
    190422.49473577828,
    6711031.123579674
   ],
   "end_xy": [
    190424.68717938452,
    6711029.072448643
   ]
  }
 },
 "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": 0.003,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.014,
   "windows_resited": [
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 2992.0,
     "end_m": 3017.0,
     "raw_pct": 18.96,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 2997.0,
     "end_m": 3017.0,
     "raw_pct": 21.72,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 3002.0,
     "end_m": 3012.0,
     "raw_pct": 27.14,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 3844.0,
     "end_m": 3869.0,
     "raw_pct": 18.65,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 3848.0,
     "end_m": 3868.0,
     "raw_pct": 20.15,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 3857.0,
     "end_m": 3867.0,
     "raw_pct": 25.22,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 5579.0,
     "end_m": 5589.0,
     "raw_pct": 24.87,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 368.0,
     "end_m": 373.0,
     "raw_pct": 29.89,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": [],
   "unstable": [
    {
     "window_m": 5.0,
     "start_m": 2768.0,
     "end_m": 2773.0,
     "raw_pct": 29.74,
     "reason": "short-step",
     "perturbations": [
      "phase+0.000/mask+0",
      "phase+0.333/mask+1",
      "phase+0.667/mask-1"
     ],
     "perturbation_reasons": [
      "short-step",
      "",
      "short-step"
     ]
    }
   ]
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.039,
   "obstruction_max_height_m": 18.44,
   "flagged_windows_m": [
    2,
    3,
    5
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    20.0
   ],
   [
    362.0,
    375.0
   ],
   [
    2990.0,
    3019.0
   ],
   [
    3842.0,
    3871.0
   ],
   [
    5577.0,
    5591.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "368c60c29e47d4b421849c953b172a04f7694146",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:8c94015b54267da4",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.2",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.2",
   "proj": "9.8.1",
   "run_id": "no-b05",
   "road_pbf": "no-b05-block-batch-no-b05.osm.pbf",
   "region_key": "norway",
   "crs": "EPSG:25833",
   "elevation_provider_key": "nhm-no",
   "tile_index": "nhm-window",
   "authority": "nvdb",
   "registry_pbf": "norway-2026-10-01.osm.pbf"
  },
  "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
  ],
  "scale_correction": "point",
  "scale_correction_crs": "EPSG:25833",
  "elevation_crs": "EPSG:25833",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/no/nhm-no_dtm_E189000-N6706500_1m.tif",
   "data/cache/no/nhm-no_dtm_E189000-N6707000_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6706500_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6707000_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6707500_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6708000_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6708500_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6709000_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6709500_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6710000_1m.tif",
   "data/cache/no/nhm-no_dtm_E189500-N6710500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6707000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6707500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6708000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6708500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6709000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6709500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6710000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6710500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190000-N6711000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190500-N6709000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190500-N6709500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190500-N6710000_1m.tif",
   "data/cache/no/nhm-no_dtm_E190500-N6710500_1m.tif",
   "data/cache/no/nhm-no_dtm_E190500-N6711000_1m.tif"
  ],
  "calculated_at": "2026-10-04T03:58:04+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b05-block-batch-no-b05.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b05",
  "elevation_provider": "Kartverket NHM DTM 1 m (laser-covered ground only)",
  "elevation_licence": "CC BY 4.0 \u2014 \u00a9 Kartverket (https://www.kartverket.no/api-og-data/vilkar-for-bruk)",
  "elevation_dataset": "Nasjonal h\u00f8ydemodell (NHM) DTM, 1 m, EPSG:25833, NN2000 (Kartverket), served by the hoydedata.no ImageServer; ground without a laser project is a coarser resampled product and is never measured",
  "elevation_vertical_datum": "NN2000",
  "elevation_tile_ids": [
   "E189000-N6706500",
   "E189000-N6707000",
   "E189500-N6706500",
   "E189500-N6707000",
   "E189500-N6707500",
   "E189500-N6708000",
   "E189500-N6708500",
   "E189500-N6709000",
   "E189500-N6709500",
   "E189500-N6710000",
   "E189500-N6710500",
   "E190000-N6707000",
   "E190000-N6707500",
   "E190000-N6708000",
   "E190000-N6708500",
   "E190000-N6709000",
   "E190000-N6709500",
   "E190000-N6710000",
   "E190000-N6710500",
   "E190000-N6711000",
   "E190500-N6709000",
   "E190500-N6709500",
   "E190500-N6710000",
   "E190500-N6710500",
   "E190500-N6711000"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2008-01-01",
    "name": "Fl\u00e5 Nes 2008",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2008
   },
   {
    "last_flight_date": "2024-09-19",
    "name": "Hallingdal 5pkt del2 2024",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2024
   },
   {
    "last_flight_date": "2018-06-02",
    "name": "NDH Fl\u00e5-Nes 5pkt 2018",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2018
   }
  ],
  "nhm_last_flight_date": "2024-09-19",
  "nhm_flight_season_unknown": [
   "Fl\u00e5 Nes 2008"
  ],
  "nhm_retrieved_at": "2026-10-03T17:05:41Z",
  "nhm_note": "laser projects overlapping the route's cells; the mosaic draws on them by its own priority and which project supplied which pixel is not recorded",
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 1,
  "tunnel_check": "osm tunnel=* ways on 1 own way(s)",
  "tunnel_ranges_m": [],
  "underground_fraction": 0.0,
  "structure_mask_ranges_m": [
   [
    0.0,
    15.0
   ]
  ],
  "suppression_unstable": [
   5.0
  ],
  "carriageway": {
   "stations": 330,
   "stations_resolved": 330,
   "width_median_m": 4.25,
   "width_p10_m": 2.5,
   "width_min_m": 1.0,
   "width_max_m": 11.0,
   "bounded_share": 0.255,
   "unbounded_share": 0.745,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.25,
   "window_m": [
    619.0,
    644.0
   ],
   "width_at_max25_m": 3.75,
   "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": 330,
    "stations_resolved": 330,
    "width_median_m": 6.25,
    "width_p10_m": 2.47,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.873,
    "unbounded_share": 0.127,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.0,
    "window_m": [
     619.0,
     644.0
    ],
    "width_at_max25_m": 4.25,
    "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": "Fl\u00e5",
  "county": "Buskerud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}