{
 "ocl_version": "0.1.0",
 "name": "Hennumveien",
 "slug": "hennumveien-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.646131684908084,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 938.0,
   "end_distance_m": 940.0,
   "start_elevation_m": 207.52608955795245,
   "end_elevation_m": 208.1390121916506,
   "min_gradient_pct": -5.310034864439217
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.682096922592375,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 937.0,
   "end_distance_m": 940.0,
   "start_elevation_m": 207.27854928397284,
   "end_elevation_m": 208.1390121916506,
   "min_gradient_pct": -4.175999151871679
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.231822758039698,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 936.0,
   "end_distance_m": 941.0,
   "start_elevation_m": 207.0477892052067,
   "end_elevation_m": 208.35938034310868,
   "min_gradient_pct": -3.7691607151629114
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.256753720150982,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 931.0,
   "end_distance_m": 941.0,
   "start_elevation_m": 206.03370497109358,
   "end_elevation_m": 208.35938034310868,
   "min_gradient_pct": -2.7999290380702746
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.22092160819676,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 932.0,
   "end_distance_m": 952.0,
   "start_elevation_m": 206.22011119915737,
   "end_elevation_m": 210.46429552079672,
   "min_gradient_pct": -2.355850134581061
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.950838083106646,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 927.0,
   "end_distance_m": 952.0,
   "start_elevation_m": 205.22658600002006,
   "end_elevation_m": 210.46429552079672,
   "min_gradient_pct": -2.331802054856894
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.32447592143393,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 929.0,
   "end_distance_m": 979.0,
   "start_elevation_m": 205.6255818852822,
   "end_elevation_m": 215.28781984599917,
   "min_gradient_pct": -2.0914929760951395
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.822893858199393,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 908.0,
   "end_distance_m": 1008.0,
   "start_elevation_m": 201.97236703855123,
   "end_elevation_m": 219.79526089675062,
   "min_gradient_pct": -1.293726377724596
  }
 ],
 "shape": {
  "ascent_concentration": 0.359,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 186.0,
  "shape_class": "sustained"
 },
 "length_m": 1492.9999999999477,
 "start_elevation_m": 147.4754925485044,
 "end_elevation_m": 248.9730088489036,
 "endpoint_gain_m": 101.49751630039918,
 "overall_gradient_pct": 6.798226142022957,
 "accumulated_ascent_m": 104.75308097837987,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.231822758039698,
   "start_distance_m": 936.0,
   "end_distance_m": 941.0,
   "midpoint_distance_m": 938.5,
   "start_elevation_m": 207.0477892052067,
   "end_elevation_m": 208.35938034310868,
   "start_xy": [
    234770.9638209731,
    6642467.375162843
   ],
   "end_xy": [
    234769.7412196754,
    6642462.524558529
   ]
  },
  "max_10m": {
   "gradient_pct": 23.256753720150982,
   "start_distance_m": 931.0,
   "end_distance_m": 941.0,
   "midpoint_distance_m": 936.0,
   "start_elevation_m": 206.03370497109358,
   "end_elevation_m": 208.35938034310868,
   "start_xy": [
    234772.3725273354,
    6642472.173559232
   ],
   "end_xy": [
    234769.7412196754,
    6642462.524558529
   ]
  },
  "max_20m": {
   "gradient_pct": 21.22092160819676,
   "start_distance_m": 932.0,
   "end_distance_m": 952.0,
   "midpoint_distance_m": 942.0,
   "start_elevation_m": 206.22011119915737,
   "end_elevation_m": 210.46429552079672,
   "start_xy": [
    234772.07678542126,
    6642471.217807544
   ],
   "end_xy": [
    234767.63009636098,
    6642451.731205691
   ]
  },
  "max_25m": {
   "gradient_pct": 20.950838083106646,
   "start_distance_m": 927.0,
   "end_distance_m": 952.0,
   "midpoint_distance_m": 939.5,
   "start_elevation_m": 205.22658600002006,
   "end_elevation_m": 210.46429552079672,
   "start_xy": [
    234773.555494992,
    6642475.996565983
   ],
   "end_xy": [
    234767.63009636098,
    6642451.731205691
   ]
  },
  "max_50m": {
   "gradient_pct": 19.32447592143393,
   "start_distance_m": 929.0,
   "end_distance_m": 979.0,
   "midpoint_distance_m": 954.0,
   "start_elevation_m": 205.6255818852822,
   "end_elevation_m": 215.28781984599917,
   "start_xy": [
    234772.9640111637,
    6642474.085062607
   ],
   "end_xy": [
    234764.90076779568,
    6642424.877594103
   ]
  },
  "max_100m": {
   "gradient_pct": 17.822893858199393,
   "start_distance_m": 908.0,
   "end_distance_m": 1008.0,
   "midpoint_distance_m": 958.0,
   "start_elevation_m": 201.97236703855123,
   "end_elevation_m": 219.79526089675062,
   "start_xy": [
    234779.17459136093,
    6642494.155848047
   ],
   "end_xy": [
    234759.37326179686,
    6642396.412490327
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.7691607151629114,
   "start_distance_m": 167.0,
   "end_distance_m": 172.0,
   "midpoint_distance_m": 169.5,
   "start_elevation_m": 161.75666617993573,
   "end_elevation_m": 161.5682081441776,
   "start_xy": [
    234564.0414572133,
    6642794.805039252
   ],
   "end_xy": [
    234563.32587763257,
    6642799.755910816
   ]
  },
  "min_10m": {
   "gradient_pct": -2.7999290380702746,
   "start_distance_m": 207.0,
   "end_distance_m": 217.0,
   "midpoint_distance_m": 212.0,
   "start_elevation_m": 160.997132000776,
   "end_elevation_m": 160.71713909696896,
   "start_xy": [
    234568.08731090574,
    6642833.967046398
   ],
   "end_xy": [
    234571.40563779342,
    6642843.402071036
   ]
  },
  "min_20m": {
   "gradient_pct": -2.355850134581061,
   "start_distance_m": 166.0,
   "end_distance_m": 186.0,
   "midpoint_distance_m": 176.0,
   "start_elevation_m": 161.77885477890635,
   "end_elevation_m": 161.30768475199014,
   "start_xy": [
    234564.27641838288,
    6642793.835719749
   ],
   "end_xy": [
    234562.97641708047,
    6642813.696716634
   ]
  },
  "min_25m": {
   "gradient_pct": -2.331802054856894,
   "start_distance_m": 169.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 181.5,
   "start_elevation_m": 161.69348811873374,
   "end_elevation_m": 161.11053760501952,
   "start_xy": [
    234563.755225381,
    6642796.785387877
   ],
   "end_xy": [
    234564.0313744943,
    6642821.609615761
   ]
  },
  "min_50m": {
   "gradient_pct": -2.0914929760951395,
   "start_distance_m": 166.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 191.0,
   "start_elevation_m": 161.77885477890635,
   "end_elevation_m": 160.73310829085878,
   "start_xy": [
    234564.27641838288,
    6642793.835719749
   ],
   "end_xy": [
    234571.04618881416,
    6642842.46840964
   ]
  },
  "min_100m": {
   "gradient_pct": -1.293726377724596,
   "start_distance_m": 1124.0,
   "end_distance_m": 1224.0,
   "midpoint_distance_m": 1174.0,
   "start_elevation_m": 229.23941292529443,
   "end_elevation_m": 227.94568654756984,
   "start_xy": [
    234732.91195968984,
    6642284.95338432
   ],
   "end_xy": [
    234718.40153897513,
    6642186.648830208
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.646131684908084,
   "start_distance_m": 938.0,
   "end_distance_m": 940.0,
   "midpoint_distance_m": 939.0,
   "start_elevation_m": 207.52608955795245,
   "end_elevation_m": 208.1390121916506,
   "start_xy": [
    234770.474780454,
    6642465.4349211175
   ],
   "end_xy": [
    234769.98573993496,
    6642463.494679391
   ]
  },
  "max_3m": {
   "gradient_pct": 28.682096922592375,
   "start_distance_m": 937.0,
   "end_distance_m": 940.0,
   "midpoint_distance_m": 938.5,
   "start_elevation_m": 207.27854928397284,
   "end_elevation_m": 208.1390121916506,
   "start_xy": [
    234770.71930071354,
    6642466.40504198
   ],
   "end_xy": [
    234769.98573993496,
    6642463.494679391
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.021,
   "windows_resited": [],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.284,
   "obstruction_max_height_m": 16.18,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    620.0,
    650.0
   ]
  ],
  "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-b04",
   "road_pbf": "no-b04-block-batch-no-b04.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_E234000-N6639500_1m.tif",
   "data/cache/no/nhm-no_dtm_E234000-N6640000_1m.tif",
   "data/cache/no/nhm-no_dtm_E234000-N6640500_1m.tif",
   "data/cache/no/nhm-no_dtm_E234000-N6642500_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6639500_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6640000_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6640500_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6641000_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6641500_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6642000_1m.tif",
   "data/cache/no/nhm-no_dtm_E234500-N6642500_1m.tif"
  ],
  "calculated_at": "2026-10-04T05:44:49+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b04-block-batch-no-b04.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b04",
  "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": [
   "E234000-N6639500",
   "E234000-N6640000",
   "E234000-N6640500",
   "E234000-N6642500",
   "E234500-N6639500",
   "E234500-N6640000",
   "E234500-N6640500",
   "E234500-N6641000",
   "E234500-N6641500",
   "E234500-N6642000",
   "E234500-N6642500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2009-01-01",
    "name": "Lier 2009",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2009
   },
   {
    "last_flight_date": "2013-11-13",
    "name": "Lier 2013",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "snow-season",
    "year": 2013
   },
   {
    "last_flight_date": "2017-05-25",
    "name": "NDH Lier-R\u00f8yken-Hurum-Svelvik 5 pkt 2017",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2017
   },
   {
    "last_flight_date": "2024-06-24",
    "name": "Nedre Buskerud 5pkt 2024",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2024
   },
   {
    "last_flight_date": "2022-05-06",
    "name": "Viken Laser - Viken vest 10pkt del 1 2022",
    "points_per_m2": 10,
    "resolution_m": 0.25,
    "season": "",
    "year": 2023
   }
  ],
  "nhm_last_flight_date": "2024-06-24",
  "nhm_snow_season_flights": [
   "Lier 2013"
  ],
  "nhm_flight_season_unknown": [
   "Lier 2009"
  ],
  "nhm_retrieved_at": "2026-10-03T17:58:29Z",
  "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",
  "route_summit_trim_m": 2450.5,
  "route_summit_trim_loss_m": 49.7,
  "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": 66,
   "stations_resolved": 66,
   "width_median_m": 5.0,
   "width_p10_m": 3.0,
   "width_min_m": 1.5,
   "width_max_m": 12.0,
   "bounded_share": 0.303,
   "unbounded_share": 0.697,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.25,
   "window_m": [
    927.0,
    952.0
   ],
   "width_at_max25_m": 2.75,
   "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": 66,
    "stations_resolved": 66,
    "width_median_m": 2.88,
    "width_p10_m": 1.25,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.864,
    "unbounded_share": 0.136,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.5,
    "window_m": [
     927.0,
     952.0
    ],
    "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": "Lier",
  "county": "Buskerud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}