{
 "ocl_version": "0.1.0",
 "name": "Lane near Soknesvollen",
 "slug": "discovered-lane-63-0205-10-2416",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.6297746687344,
   "diagnostic": true,
   "flags": [
    "structure_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 1293.0,
   "end_distance_m": 1295.0,
   "start_elevation_m": 269.23113271011664,
   "end_elevation_m": 269.8237282034913,
   "min_gradient_pct": -17.381889710786425,
   "suppressed_max_gradient_pct": 54.32170471942044,
   "suppressed_location_m": [
    972.0,
    974.0
   ],
   "suppressed_min_gradient_pct": -66.81411255800782,
   "suppressed_min_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.960506971210027,
   "diagnostic": true,
   "flags": [
    "structure_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 1292.0,
   "end_distance_m": 1295.0,
   "start_elevation_m": 268.954912994355,
   "end_elevation_m": 269.8237282034913,
   "min_gradient_pct": -16.608936668102576,
   "suppressed_max_gradient_pct": 48.85953779959209,
   "suppressed_location_m": [
    972.0,
    975.0
   ],
   "suppressed_min_gradient_pct": -42.358763444192014,
   "suppressed_min_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.51133232804591,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 1290.0,
   "end_distance_m": 1295.0,
   "start_elevation_m": 268.44816158708903,
   "end_elevation_m": 269.8237282034913,
   "min_gradient_pct": -15.07486004432792,
   "suppressed_max_gradient_pct": 40.66514017194493,
   "suppressed_location_m": [
    972.0,
    977.0
   ],
   "suppressed_min_gradient_pct": -22.835180999909994,
   "suppressed_min_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.296066750026057,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1285.0,
   "end_distance_m": 1295.0,
   "start_elevation_m": 267.1941215284887,
   "end_elevation_m": 269.8237282034913,
   "min_gradient_pct": -13.021507555011453,
   "suppressed_max_gradient_pct": 27.29266851653705,
   "suppressed_location_m": [
    969.0,
    979.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.806403530626255,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1275.0,
   "end_distance_m": 1295.0,
   "start_elevation_m": 264.8624474973661,
   "end_elevation_m": 269.8237282034913,
   "min_gradient_pct": -11.038278787267188
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.436082134847993,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1270.0,
   "end_distance_m": 1295.0,
   "start_elevation_m": 263.71470766977933,
   "end_elevation_m": 269.8237282034913,
   "min_gradient_pct": -10.323357519186061
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.505502991238018,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1246.0,
   "end_distance_m": 1296.0,
   "start_elevation_m": 258.2882303476714,
   "end_elevation_m": 270.0409818432904,
   "min_gradient_pct": -7.018391649577268
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.122671343054776,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1196.0,
   "end_distance_m": 1296.0,
   "start_elevation_m": 249.91831050023563,
   "end_elevation_m": 270.0409818432904,
   "min_gradient_pct": -2.204260185322113
  }
 ],
 "shape": {
  "ascent_concentration": 0.372,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 321.0,
  "shape_class": "sustained"
 },
 "length_m": 1312.665411416711,
 "start_elevation_m": 129.15425575854402,
 "end_elevation_m": 270.9799083812926,
 "endpoint_gain_m": 141.82565262274858,
 "overall_gradient_pct": 10.804402354875903,
 "accumulated_ascent_m": 146.9801399831012,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.51133232804591,
   "start_distance_m": 1290.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1292.5,
   "start_elevation_m": 268.44816158708903,
   "end_elevation_m": 269.8237282034913,
   "start_xy": [
    258880.54481104057,
    6997033.130965379
   ],
   "end_xy": [
    258883.1427540839,
    6997037.25813464
   ]
  },
  "max_10m": {
   "gradient_pct": 26.296066750026057,
   "start_distance_m": 1285.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1290.0,
   "start_elevation_m": 267.1941215284887,
   "end_elevation_m": 269.8237282034913,
   "start_xy": [
    258880.21448914244,
    6997028.140324547
   ],
   "end_xy": [
    258883.1427540839,
    6997037.25813464
   ]
  },
  "max_20m": {
   "gradient_pct": 24.806403530626255,
   "start_distance_m": 1275.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1285.0,
   "start_elevation_m": 264.8624474973661,
   "end_elevation_m": 269.8237282034913,
   "start_xy": [
    258880.48889040836,
    6997018.180545593
   ],
   "end_xy": [
    258883.1427540839,
    6997037.25813464
   ]
  },
  "max_25m": {
   "gradient_pct": 24.436082134847993,
   "start_distance_m": 1270.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1282.5,
   "start_elevation_m": 263.71470766977933,
   "end_elevation_m": 269.8237282034913,
   "start_xy": [
    258881.04827532067,
    6997013.210364851
   ],
   "end_xy": [
    258883.1427540839,
    6997037.25813464
   ]
  },
  "max_50m": {
   "gradient_pct": 23.505502991238018,
   "start_distance_m": 1246.0,
   "end_distance_m": 1296.0,
   "midpoint_distance_m": 1271.0,
   "start_elevation_m": 258.2882303476714,
   "end_elevation_m": 270.0409818432904,
   "start_xy": [
    258884.01572924136,
    6996989.393852729
   ],
   "end_xy": [
    258883.75730223453,
    6997038.047409513
   ]
  },
  "max_100m": {
   "gradient_pct": 20.122671343054776,
   "start_distance_m": 1196.0,
   "end_distance_m": 1296.0,
   "midpoint_distance_m": 1246.0,
   "start_elevation_m": 249.91831050023563,
   "end_elevation_m": 270.0409818432904,
   "start_xy": [
    258886.67211722065,
    6996939.605503415
   ],
   "end_xy": [
    258883.75730223453,
    6997038.047409513
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -15.07486004432792,
   "start_distance_m": 309.0,
   "end_distance_m": 314.0,
   "midpoint_distance_m": 311.5,
   "start_elevation_m": 150.00165148081356,
   "end_elevation_m": 149.24790847859717,
   "start_xy": [
    259553.83349804571,
    6996865.558501164
   ],
   "end_xy": [
    259552.72819302662,
    6996860.680621434
   ]
  },
  "min_10m": {
   "gradient_pct": -13.021507555011453,
   "start_distance_m": 309.0,
   "end_distance_m": 319.0,
   "midpoint_distance_m": 314.0,
   "start_elevation_m": 150.00165148081356,
   "end_elevation_m": 148.69950072531242,
   "start_xy": [
    259553.83349804571,
    6996865.558501164
   ],
   "end_xy": [
    259551.6228880075,
    6996855.802741704
   ]
  },
  "min_20m": {
   "gradient_pct": -11.038278787267188,
   "start_distance_m": 309.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 319.0,
   "start_elevation_m": 150.00165148081356,
   "end_elevation_m": 147.79399572336013,
   "start_xy": [
    259553.83349804571,
    6996865.558501164
   ],
   "end_xy": [
    259549.04406652105,
    6996846.141865498
   ]
  },
  "min_25m": {
   "gradient_pct": -10.323357519186061,
   "start_distance_m": 304.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 316.5,
   "start_elevation_m": 150.37483510315664,
   "end_elevation_m": 147.79399572336013,
   "start_xy": [
    259554.93880306484,
    6996870.436380895
   ],
   "end_xy": [
    259549.04406652105,
    6996846.141865498
   ]
  },
  "min_50m": {
   "gradient_pct": -7.018391649577268,
   "start_distance_m": 294.0,
   "end_distance_m": 344.0,
   "midpoint_distance_m": 319.0,
   "start_elevation_m": 150.64744211477193,
   "end_elevation_m": 147.1382462899833,
   "start_xy": [
    259556.29586057193,
    6996880.335979482
   ],
   "end_xy": [
    259541.709531904,
    6996833.245853625
   ]
  },
  "min_100m": {
   "gradient_pct": -2.204260185322113,
   "start_distance_m": 274.0,
   "end_distance_m": 374.0,
   "midpoint_distance_m": 324.0,
   "start_elevation_m": 149.96731544071298,
   "end_elevation_m": 147.76305525539087,
   "start_xy": [
    259558.5133229335,
    6996900.218871662
   ],
   "end_xy": [
    259513.62780299442,
    6996823.42566831
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.6297746687344,
   "start_distance_m": 1293.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1294.0,
   "start_elevation_m": 269.23113271011664,
   "end_elevation_m": 269.8237282034913,
   "start_xy": [
    258881.91365778266,
    6997035.6795848925
   ],
   "end_xy": [
    258883.1427540839,
    6997037.25813464
   ]
  },
  "max_3m": {
   "gradient_pct": 28.960506971210027,
   "start_distance_m": 1292.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1293.5,
   "start_elevation_m": 268.954912994355,
   "end_elevation_m": 269.8237282034913,
   "start_xy": [
    258881.29910963203,
    6997034.890310019
   ],
   "end_xy": [
    258883.1427540839,
    6997037.25813464
   ]
  }
 },
 "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": 0.016,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.024,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 972.0,
     "end_m": 977.0,
     "raw_pct": 40.67,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.374,
   "obstruction_max_height_m": 24.04,
   "flagged_windows_m": [
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    20.0
   ],
   [
    970.0,
    979.0
   ]
  ],
  "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-b11",
   "road_pbf": "no-b11-block-batch-no-b11.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_E258500-N6996500_1m.tif",
   "data/cache/no/nhm-no_dtm_E258500-N6997000_1m.tif",
   "data/cache/no/nhm-no_dtm_E259000-N6996500_1m.tif",
   "data/cache/no/nhm-no_dtm_E259000-N6997000_1m.tif",
   "data/cache/no/nhm-no_dtm_E259500-N6996500_1m.tif",
   "data/cache/no/nhm-no_dtm_E259500-N6997000_1m.tif"
  ],
  "calculated_at": "2026-10-03T20:20:58+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b11-block-batch-no-b11.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b11",
  "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": [
   "E258500-N6996500",
   "E258500-N6997000",
   "E259000-N6996500",
   "E259000-N6997000",
   "E259500-N6996500",
   "E259500-N6997000"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2008-01-01",
    "name": "Melhus-Midtre Gauldal 2008",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2008
   },
   {
    "last_flight_date": "2010-10-01",
    "name": "Midtre Gauldal 07pkt 2010",
    "points_per_m2": 0.7000000000000001,
    "resolution_m": 1,
    "season": "",
    "year": 2010
   },
   {
    "last_flight_date": "2014-06-10",
    "name": "Midtre Gauldal 2014",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2014
   },
   {
    "last_flight_date": "2010-11-09",
    "name": "Midtre Gauldal 2pkt 2010",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "snow-season",
    "year": 2010
   },
   {
    "last_flight_date": "2015-07-04",
    "name": "NDH Gauldal 2015",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2015
   },
   {
    "last_flight_date": "2022-09-01",
    "name": "NDH Melhus-Orkland 5pkt \u00d8st 2022",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2022
   },
   {
    "last_flight_date": "2016-07-08",
    "name": "NDH Midtre Gauldal 2pkt 2015",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2015
   },
   {
    "last_flight_date": "2016-10-11",
    "name": "NVE Gaula 2016",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2016
   },
   {
    "last_flight_date": "2014-01-01",
    "name": "Tr\u00f8ndelag del3 3pkt 2014",
    "points_per_m2": 3,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2014
   }
  ],
  "nhm_last_flight_date": "2022-09-01",
  "nhm_snow_season_flights": [
   "Midtre Gauldal 2pkt 2010"
  ],
  "nhm_flight_season_unknown": [
   "Melhus-Midtre Gauldal 2008",
   "Tr\u00f8ndelag del3 3pkt 2014"
  ],
  "nhm_retrieved_at": "2026-10-03T10:30:32Z",
  "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
   ]
  ],
  "carriageway": {
   "stations": 58,
   "stations_resolved": 58,
   "width_median_m": 4.25,
   "width_p10_m": 2.67,
   "width_min_m": 2.0,
   "width_max_m": 12.0,
   "bounded_share": 0.259,
   "unbounded_share": 0.741,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.5,
   "window_m": [
    1270.0,
    1295.0
   ],
   "width_at_max25_m": 4.25,
   "window_stations": 6,
   "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": 58,
    "stations_resolved": 58,
    "width_median_m": 3.12,
    "width_p10_m": 1.18,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.828,
    "unbounded_share": 0.172,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.5,
    "window_m": [
     1270.0,
     1295.0
    ],
    "width_at_max25_m": 7.12,
    "window_stations": 6,
    "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 ('Soknesvollen'))",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Midtre Gauldal",
  "county": "Tr\u00f8ndelag",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}