{
 "ocl_version": "0.1.0",
 "name": "Skarvegen (Storfosshola)",
 "slug": "discovered-lane-62-4999-7-3465",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.961750126027482,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1285.0,
   "end_distance_m": 1287.0,
   "start_elevation_m": 416.20393103355144,
   "end_elevation_m": 416.703166036072,
   "min_gradient_pct": -36.05021029698321
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.746505364627563,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1285.0,
   "end_distance_m": 1288.0,
   "start_elevation_m": 416.20393103355144,
   "end_elevation_m": 416.94632619449027,
   "min_gradient_pct": -22.540498876079102
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.341262590396582,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1284.0,
   "end_distance_m": 1289.0,
   "start_elevation_m": 415.9646697897114,
   "end_elevation_m": 417.18173291923125,
   "min_gradient_pct": -11.479469641177502
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.501974944882704,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1280.0,
   "end_distance_m": 1290.0,
   "start_elevation_m": 415.0613681052925,
   "end_elevation_m": 417.4115655997808,
   "min_gradient_pct": -3.0700238843718353
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.66141095621748,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1272.0,
   "end_distance_m": 1292.0,
   "start_elevation_m": 413.30995635981094,
   "end_elevation_m": 417.84223855105444,
   "min_gradient_pct": 0.5479509017260398
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.51644740258007,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1266.0,
   "end_distance_m": 1291.0,
   "start_elevation_m": 412.0012601887154,
   "end_elevation_m": 417.6303720393604,
   "min_gradient_pct": 1.6315971230480955
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.141450259227554,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1244.0,
   "end_distance_m": 1294.0,
   "start_elevation_m": 407.6599512627384,
   "end_elevation_m": 418.23067639235217,
   "min_gradient_pct": 5.399302411641997
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.32110938795671,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1193.0,
   "end_distance_m": 1293.0,
   "start_elevation_m": 397.721404571509,
   "end_elevation_m": 418.04251395946574,
   "min_gradient_pct": 8.408599989120034
  }
 ],
 "shape": {
  "ascent_concentration": 0.311,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 472.0,
  "shape_class": "sustained"
 },
 "length_m": 1649.295755771784,
 "start_elevation_m": 223.7588295037824,
 "end_elevation_m": 473.20296758859183,
 "endpoint_gain_m": 249.44413808480942,
 "overall_gradient_pct": 15.124281816155081,
 "accumulated_ascent_m": 250.4316637152216,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.341262590396582,
   "start_distance_m": 1284.0,
   "end_distance_m": 1289.0,
   "midpoint_distance_m": 1286.5,
   "start_elevation_m": 415.9646697897114,
   "end_elevation_m": 417.18173291923125,
   "start_xy": [
    106615.83358508754,
    6953136.875744803
   ],
   "end_xy": [
    106619.28469537491,
    6953133.258860792
   ]
  },
  "max_10m": {
   "gradient_pct": 23.501974944882704,
   "start_distance_m": 1280.0,
   "end_distance_m": 1290.0,
   "midpoint_distance_m": 1285.0,
   "start_elevation_m": 415.0613681052925,
   "end_elevation_m": 417.4115655997808,
   "start_xy": [
    106613.3564940826,
    6953140.018828758
   ],
   "end_xy": [
    106620.01441867332,
    6953132.573039596
   ]
  },
  "max_20m": {
   "gradient_pct": 22.66141095621748,
   "start_distance_m": 1272.0,
   "end_distance_m": 1292.0,
   "midpoint_distance_m": 1282.0,
   "start_elevation_m": 413.30995635981094,
   "end_elevation_m": 417.84223855105444,
   "start_xy": [
    106609.97363278914,
    6953147.238829545
   ],
   "end_xy": [
    106621.51631670697,
    6953131.247793036
   ]
  },
  "max_25m": {
   "gradient_pct": 22.51644740258007,
   "start_distance_m": 1266.0,
   "end_distance_m": 1291.0,
   "midpoint_distance_m": 1278.5,
   "start_elevation_m": 412.0012601887154,
   "end_elevation_m": 417.6303720393604,
   "start_xy": [
    106608.62477766177,
    6953153.0787744
   ],
   "end_xy": [
    106620.76536769014,
    6953131.910416315
   ]
  },
  "max_50m": {
   "gradient_pct": 21.141450259227554,
   "start_distance_m": 1244.0,
   "end_distance_m": 1294.0,
   "midpoint_distance_m": 1269.0,
   "start_elevation_m": 407.6599512627384,
   "end_elevation_m": 418.23067639235217,
   "start_xy": [
    106605.82729587611,
    6953174.918773812
   ],
   "end_xy": [
    106623.0182147406,
    6953129.922546474
   ]
  },
  "max_100m": {
   "gradient_pct": 20.32110938795671,
   "start_distance_m": 1193.0,
   "end_distance_m": 1293.0,
   "midpoint_distance_m": 1243.0,
   "start_elevation_m": 397.721404571509,
   "end_elevation_m": 418.04251395946574,
   "start_xy": [
    106573.59885360565,
    6953212.847230991
   ],
   "end_xy": [
    106622.26726572379,
    6953130.585169755
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.479469641177502,
   "start_distance_m": 1644.0,
   "end_distance_m": 1649.0,
   "midpoint_distance_m": 1646.5,
   "start_elevation_m": 474.0434624951232,
   "end_elevation_m": 473.46948901306433,
   "start_xy": [
    106840.10643461216,
    6952873.390146397
   ],
   "end_xy": [
    106844.99390073684,
    6952872.30045642
   ]
  },
  "min_10m": {
   "gradient_pct": -3.0700238843718353,
   "start_distance_m": 1639.0,
   "end_distance_m": 1649.0,
   "midpoint_distance_m": 1644.0,
   "start_elevation_m": 473.7764914015015,
   "end_elevation_m": 473.46948901306433,
   "start_xy": [
    106835.21896848749,
    6952874.4798363745
   ],
   "end_xy": [
    106844.99390073684,
    6952872.30045642
   ]
  },
  "min_20m": {
   "gradient_pct": 0.5479509017260398,
   "start_distance_m": 1629.0,
   "end_distance_m": 1649.0,
   "midpoint_distance_m": 1639.0,
   "start_elevation_m": 473.3598988327191,
   "end_elevation_m": 473.46948901306433,
   "start_xy": [
    106825.5176526723,
    6952876.947213837
   ],
   "end_xy": [
    106844.99390073684,
    6952872.30045642
   ]
  },
  "min_25m": {
   "gradient_pct": 1.6315971230480955,
   "start_distance_m": 1624.0,
   "end_distance_m": 1649.0,
   "midpoint_distance_m": 1636.5,
   "start_elevation_m": 473.0615897323023,
   "end_elevation_m": 473.46948901306433,
   "start_xy": [
    106820.70678876268,
    6952878.336582103
   ],
   "end_xy": [
    106844.99390073684,
    6952872.30045642
   ]
  },
  "min_50m": {
   "gradient_pct": 5.399302411641997,
   "start_distance_m": 1599.0,
   "end_distance_m": 1649.0,
   "midpoint_distance_m": 1624.0,
   "start_elevation_m": 470.76983780724333,
   "end_elevation_m": 473.46948901306433,
   "start_xy": [
    106799.89255148022,
    6952891.697426699
   ],
   "end_xy": [
    106844.99390073684,
    6952872.30045642
   ]
  },
  "min_100m": {
   "gradient_pct": 8.408599989120034,
   "start_distance_m": 1549.0,
   "end_distance_m": 1649.0,
   "midpoint_distance_m": 1599.0,
   "start_elevation_m": 465.0608890239443,
   "end_elevation_m": 473.46948901306433,
   "start_xy": [
    106769.62793666174,
    6952931.502165965
   ],
   "end_xy": [
    106844.99390073684,
    6952872.30045642
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.961750126027482,
   "start_distance_m": 1285.0,
   "end_distance_m": 1287.0,
   "midpoint_distance_m": 1286.0,
   "start_elevation_m": 416.20393103355144,
   "end_elevation_m": 416.703166036072,
   "start_xy": [
    106616.47531328586,
    6953136.106863029
   ],
   "end_xy": [
    106617.83157681274,
    6953134.637419192
   ]
  },
  "max_3m": {
   "gradient_pct": 24.746505364627563,
   "start_distance_m": 1285.0,
   "end_distance_m": 1288.0,
   "midpoint_distance_m": 1286.5,
   "start_elevation_m": 416.20393103355144,
   "end_elevation_m": 416.94632619449027,
   "start_xy": [
    106616.47531328586,
    6953136.106863029
   ],
   "end_xy": [
    106618.55813609382,
    6953133.948139993
   ]
  }
 },
 "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": 0.013,
   "obstruction_max_height_m": 8.77,
   "flagged_windows_m": []
  },
  "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-b08",
   "road_pbf": "no-b08-block-batch-no-b08.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_E106000-N6952500_1m.tif",
   "data/cache/no/nhm-no_dtm_E106000-N6953000_1m.tif",
   "data/cache/no/nhm-no_dtm_E106000-N6953500_1m.tif",
   "data/cache/no/nhm-no_dtm_E106500-N6952500_1m.tif",
   "data/cache/no/nhm-no_dtm_E106500-N6953000_1m.tif",
   "data/cache/no/nhm-no_dtm_E106500-N6953500_1m.tif"
  ],
  "calculated_at": "2026-10-04T01:10:40+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b08-block-batch-no-b08.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b08",
  "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": [
   "E106000-N6952500",
   "E106000-N6953000",
   "E106000-N6953500",
   "E106500-N6952500",
   "E106500-N6953000",
   "E106500-N6953500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2014-11-07",
    "name": "Molde Aukra Fr\u00e6na og Rauma 2014",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "snow-season",
    "year": 2014
   },
   {
    "last_flight_date": "2020-10-06",
    "name": "NDH Norddal-Rauma 2pkt 2020",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2020
   },
   {
    "last_flight_date": "2017-07-20",
    "name": "NDH Norddal-Rauma 5pkt 2017",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2017
   },
   {
    "last_flight_date": "2007-01-01",
    "name": "Rauma 2007",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2007
   }
  ],
  "nhm_last_flight_date": "2020-10-06",
  "nhm_snow_season_flights": [
   "Molde Aukra Fr\u00e6na og Rauma 2014"
  ],
  "nhm_flight_season_unknown": [
   "Rauma 2007"
  ],
  "nhm_retrieved_at": "2026-10-03T23:56:16Z",
  "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": 2,
  "tunnel_check": "osm tunnel=* ways on 2 own way(s)",
  "tunnel_ranges_m": [],
  "underground_fraction": 0.0,
  "carriageway": {
   "stations": 73,
   "stations_resolved": 73,
   "width_median_m": 4.25,
   "width_p10_m": 3.25,
   "width_min_m": 2.75,
   "width_max_m": 10.0,
   "bounded_share": 0.192,
   "unbounded_share": 0.808,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.38,
   "window_m": [
    1266.0,
    1291.0
   ],
   "width_at_max25_m": 4.5,
   "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": 73,
    "stations_resolved": 73,
    "width_median_m": 6.75,
    "width_p10_m": 3.25,
    "width_min_m": 1.5,
    "width_max_m": 12.0,
    "bounded_share": 0.836,
    "unbounded_share": 0.164,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.5,
    "window_m": [
     1266.0,
     1291.0
    ],
    "width_at_max25_m": 7.0,
    "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
   }
  },
  "naming_note": "birth-named at adoption (named from its own OSM street ('Skarvegen'), anchored to 'Storfosshola' (Peter, 2026-09-30))",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Rauma",
  "county": "M\u00f8re og Romsdal",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}