{
 "ocl_version": "0.1.0",
 "name": "Lane near Reinoksfjellet",
 "slug": "discovered-lane-67-6851-16-2342",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.761854211280934,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 8437.0,
   "end_distance_m": 8439.0,
   "start_elevation_m": 668.0218374574517,
   "end_elevation_m": 668.8170745416774,
   "min_gradient_pct": -14.687952731134146
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 38.58167270964638,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 8437.0,
   "end_distance_m": 8440.0,
   "start_elevation_m": 668.0218374574517,
   "end_elevation_m": 669.1792876387411,
   "min_gradient_pct": -14.252158717431485
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.692869831551434,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8447.0,
   "end_distance_m": 8452.0,
   "start_elevation_m": 670.6684479214128,
   "end_elevation_m": 672.4030914129904,
   "min_gradient_pct": -13.361456275392811
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.094570448722834,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8445.0,
   "end_distance_m": 8455.0,
   "start_elevation_m": 670.2082550273885,
   "end_elevation_m": 673.1177120722608,
   "min_gradient_pct": -11.996253786182933
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.414961385302945,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8435.0,
   "end_distance_m": 8455.0,
   "start_elevation_m": 667.6347197952002,
   "end_elevation_m": 673.1177120722608,
   "min_gradient_pct": -11.332133893210425
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.95515392617881,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8436.0,
   "end_distance_m": 8461.0,
   "start_elevation_m": 667.7971030979037,
   "end_elevation_m": 674.2858915794484,
   "min_gradient_pct": -11.337922966006317
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.209246533379883,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8411.0,
   "end_distance_m": 8461.0,
   "start_elevation_m": 664.1812683127584,
   "end_elevation_m": 674.2858915794484,
   "min_gradient_pct": -10.77103312776785
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.743940069774908,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8365.0,
   "end_distance_m": 8465.0,
   "start_elevation_m": 658.091942476502,
   "end_elevation_m": 674.8358825462769,
   "min_gradient_pct": -9.520216998808564
  }
 ],
 "shape": {
  "ascent_concentration": 0.346,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 394.0,
  "shape_class": "sustained"
 },
 "length_m": 8531.075441767964,
 "start_elevation_m": 290.8621826660194,
 "end_elevation_m": 681.2792449499433,
 "endpoint_gain_m": 390.4170622839239,
 "overall_gradient_pct": 4.576410851701653,
 "accumulated_ascent_m": 447.25234395306995,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.692869831551434,
   "start_distance_m": 8447.0,
   "end_distance_m": 8452.0,
   "midpoint_distance_m": 8449.5,
   "start_elevation_m": 670.6684479214128,
   "end_elevation_m": 672.4030914129904,
   "start_xy": [
    554725.8032076862,
    7508394.932108148
   ],
   "end_xy": [
    554727.433223234,
    7508399.657029817
   ]
  },
  "max_10m": {
   "gradient_pct": 29.094570448722834,
   "start_distance_m": 8445.0,
   "end_distance_m": 8455.0,
   "midpoint_distance_m": 8450.0,
   "start_elevation_m": 670.2082550273885,
   "end_elevation_m": 673.1177120722608,
   "start_xy": [
    554725.1512014671,
    7508393.042139481
   ],
   "end_xy": [
    554728.4112325626,
    7508402.491982819
   ]
  },
  "max_20m": {
   "gradient_pct": 27.414961385302945,
   "start_distance_m": 8435.0,
   "end_distance_m": 8455.0,
   "midpoint_distance_m": 8445.0,
   "start_elevation_m": 667.6347197952002,
   "end_elevation_m": 673.1177120722608,
   "start_xy": [
    554721.8911703716,
    7508383.592296142
   ],
   "end_xy": [
    554728.4112325626,
    7508402.491982819
   ]
  },
  "max_25m": {
   "gradient_pct": 25.95515392617881,
   "start_distance_m": 8436.0,
   "end_distance_m": 8461.0,
   "midpoint_distance_m": 8448.5,
   "start_elevation_m": 667.7971030979037,
   "end_elevation_m": 674.2858915794484,
   "start_xy": [
    554722.2171734811,
    7508384.537280476
   ],
   "end_xy": [
    554730.3897435487,
    7508408.153194141
   ]
  },
  "max_50m": {
   "gradient_pct": 20.209246533379883,
   "start_distance_m": 8411.0,
   "end_distance_m": 8461.0,
   "midpoint_distance_m": 8436.0,
   "start_elevation_m": 664.1812683127584,
   "end_elevation_m": 674.2858915794484,
   "start_xy": [
    554714.0670957421,
    7508360.912672129
   ],
   "end_xy": [
    554730.3897435487,
    7508408.153194141
   ]
  },
  "max_100m": {
   "gradient_pct": 16.743940069774908,
   "start_distance_m": 8365.0,
   "end_distance_m": 8465.0,
   "midpoint_distance_m": 8415.0,
   "start_elevation_m": 658.091942476502,
   "end_elevation_m": 674.8358825462769,
   "start_xy": [
    554695.9814307988,
    7508318.8277324
   ],
   "end_xy": [
    554731.9672286467,
    7508411.827417319
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.361456275392811,
   "start_distance_m": 7402.0,
   "end_distance_m": 7407.0,
   "midpoint_distance_m": 7404.5,
   "start_elevation_m": 631.9197049626,
   "end_elevation_m": 631.2516321488304,
   "start_xy": [
    553820.5448924116,
    7508271.9131860025
   ],
   "end_xy": [
    553824.8783371701,
    7508269.423226866
   ]
  },
  "min_10m": {
   "gradient_pct": -11.996253786182933,
   "start_distance_m": 7402.0,
   "end_distance_m": 7412.0,
   "midpoint_distance_m": 7407.0,
   "start_elevation_m": 631.9197049626,
   "end_elevation_m": 630.7200795839817,
   "start_xy": [
    553820.5448924116,
    7508271.9131860025
   ],
   "end_xy": [
    553829.2834733101,
    7508267.061754489
   ]
  },
  "min_20m": {
   "gradient_pct": -11.332133893210425,
   "start_distance_m": 6547.0,
   "end_distance_m": 6567.0,
   "midpoint_distance_m": 6557.0,
   "start_elevation_m": 587.0595377366075,
   "end_elevation_m": 584.7931109579654,
   "start_xy": [
    553198.6499926579,
    7508257.362805851
   ],
   "end_xy": [
    553213.2992446348,
    7508270.888363643
   ]
  },
  "min_25m": {
   "gradient_pct": -11.337922966006317,
   "start_distance_m": 6542.0,
   "end_distance_m": 6567.0,
   "midpoint_distance_m": 6554.5,
   "start_elevation_m": 587.627591699467,
   "end_elevation_m": 584.7931109579654,
   "start_xy": [
    553194.2496007102,
    7508254.992561033
   ],
   "end_xy": [
    553213.2992446348,
    7508270.888363643
   ]
  },
  "min_50m": {
   "gradient_pct": -10.77103312776785,
   "start_distance_m": 6533.0,
   "end_distance_m": 6583.0,
   "midpoint_distance_m": 6558.0,
   "start_elevation_m": 588.5148186349404,
   "end_elevation_m": 583.1293020710565,
   "start_xy": [
    553186.266538655,
    7508250.854322999
   ],
   "end_xy": [
    553224.0098757668,
    7508282.766589124
   ]
  },
  "min_100m": {
   "gradient_pct": -9.520216998808564,
   "start_distance_m": 6511.0,
   "end_distance_m": 6611.0,
   "midpoint_distance_m": 6561.0,
   "start_elevation_m": 590.3457114368957,
   "end_elevation_m": 580.8254944380872,
   "start_xy": [
    553165.8429538877,
    7508242.7159792585
   ],
   "end_xy": [
    553239.709839515,
    7508305.906916097
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.761854211280934,
   "start_distance_m": 8437.0,
   "end_distance_m": 8439.0,
   "midpoint_distance_m": 8438.0,
   "start_elevation_m": 668.0218374574517,
   "end_elevation_m": 668.8170745416774,
   "start_xy": [
    554722.5431765906,
    7508385.482264809
   ],
   "end_xy": [
    554723.1951828097,
    7508387.372233477
   ]
  },
  "max_3m": {
   "gradient_pct": 38.58167270964638,
   "start_distance_m": 8437.0,
   "end_distance_m": 8440.0,
   "midpoint_distance_m": 8438.5,
   "start_elevation_m": 668.0218374574517,
   "end_elevation_m": 669.1792876387411,
   "start_xy": [
    554722.5431765906,
    7508385.482264809
   ],
   "end_xy": [
    554723.5211859193,
    7508388.317217811
   ]
  }
 },
 "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": 0.0,
   "obstruction_max_height_m": 0.85,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "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-b17",
   "road_pbf": "no-b17-block-batch-no-b17.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_E548500-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E548500-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E549000-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E549000-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E549500-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E549500-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E550000-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E550000-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E550500-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E550500-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E551000-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E551000-N7508500_1m.tif",
   "data/cache/no/nhm-no_dtm_E551000-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E551000-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E551500-N7507500_1m.tif",
   "data/cache/no/nhm-no_dtm_E551500-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E551500-N7508500_1m.tif",
   "data/cache/no/nhm-no_dtm_E551500-N7509000_1m.tif",
   "data/cache/no/nhm-no_dtm_E551500-N7509500_1m.tif",
   "data/cache/no/nhm-no_dtm_E552000-N7507500_1m.tif",
   "data/cache/no/nhm-no_dtm_E552000-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E552500-N7507500_1m.tif",
   "data/cache/no/nhm-no_dtm_E552500-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E553000-N7507500_1m.tif",
   "data/cache/no/nhm-no_dtm_E553000-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E553000-N7508500_1m.tif",
   "data/cache/no/nhm-no_dtm_E553500-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E553500-N7508500_1m.tif",
   "data/cache/no/nhm-no_dtm_E554000-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E554000-N7508500_1m.tif",
   "data/cache/no/nhm-no_dtm_E554500-N7508000_1m.tif",
   "data/cache/no/nhm-no_dtm_E554500-N7508500_1m.tif"
  ],
  "calculated_at": "2026-10-04T07:55:35+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b17-block-batch-no-b17.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b17",
  "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": [
   "E548500-N7509000",
   "E548500-N7509500",
   "E549000-N7509000",
   "E549000-N7509500",
   "E549500-N7509000",
   "E549500-N7509500",
   "E550000-N7509000",
   "E550000-N7509500",
   "E550500-N7509000",
   "E550500-N7509500",
   "E551000-N7508000",
   "E551000-N7508500",
   "E551000-N7509000",
   "E551000-N7509500",
   "E551500-N7507500",
   "E551500-N7508000",
   "E551500-N7508500",
   "E551500-N7509000",
   "E551500-N7509500",
   "E552000-N7507500",
   "E552000-N7508000",
   "E552500-N7507500",
   "E552500-N7508000",
   "E553000-N7507500",
   "E553000-N7508000",
   "E553000-N7508500",
   "E553500-N7508000",
   "E553500-N7508500",
   "E554000-N7508000",
   "E554000-N7508500",
   "E554500-N7508000",
   "E554500-N7508500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2015-01-01",
    "name": "NDH Linna-Bj\u00f8rntoppen 4pkt 2015",
    "points_per_m2": 4,
    "resolution_m": 0.25,
    "season": "season-unknown",
    "year": 2015
   },
   {
    "last_flight_date": "2017-07-24",
    "name": "NDH S\u00f8rfold 2pkt 2017",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2017
   },
   {
    "last_flight_date": "2010-01-01",
    "name": "S\u00f8rfold og Steigen 2010",
    "points_per_m2": 4,
    "resolution_m": 0.25,
    "season": "season-unknown",
    "year": 2010
   }
  ],
  "nhm_last_flight_date": "2017-07-24",
  "nhm_flight_season_unknown": [
   "NDH Linna-Bj\u00f8rntoppen 4pkt 2015",
   "S\u00f8rfold og Steigen 2010"
  ],
  "nhm_retrieved_at": "2026-10-04T07:25:48Z",
  "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,
  "carriageway": {
   "stations": 348,
   "stations_resolved": 348,
   "width_median_m": 5.75,
   "width_p10_m": 4.5,
   "width_min_m": 2.5,
   "width_max_m": 12.0,
   "bounded_share": 0.523,
   "unbounded_share": 0.477,
   "confidence_median": 0.507,
   "width_median_bounded_m": 5.75,
   "window_m": [
    8436.0,
    8461.0
   ],
   "width_at_max25_m": 3.25,
   "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": 348,
    "stations_resolved": 348,
    "width_median_m": 9.0,
    "width_p10_m": 7.5,
    "width_min_m": 5.75,
    "width_max_m": 12.0,
    "bounded_share": 0.638,
    "unbounded_share": 0.362,
    "confidence_median": 0.993,
    "width_median_bounded_m": 8.5,
    "window_m": [
     8436.0,
     8461.0
    ],
    "width_at_max25_m": 9.0,
    "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 (nearest OSM village/hamlet/locality node ('Reinoksfjellet'))",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hamar\u00f8y",
  "county": "Nordland",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}