{
 "ocl_version": "0.1.0",
 "name": "Fasselandsveien",
 "slug": "fasselandsveien-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.8471090605193,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1649.0,
   "end_distance_m": 1651.0,
   "start_elevation_m": 118.69554196404752,
   "end_elevation_m": 119.19248414525791,
   "min_gradient_pct": -7.938145776616068
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.276782053688823,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1649.0,
   "end_distance_m": 1652.0,
   "start_elevation_m": 118.69554196404752,
   "end_elevation_m": 119.42384542565819,
   "min_gradient_pct": -7.717718925383584
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.12135410366659,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1646.0,
   "end_distance_m": 1651.0,
   "start_elevation_m": 117.98641644007458,
   "end_elevation_m": 119.19248414525791,
   "min_gradient_pct": -7.565741319086499
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.69118838451726,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1646.0,
   "end_distance_m": 1656.0,
   "start_elevation_m": 117.98641644007458,
   "end_elevation_m": 120.3555352785263,
   "min_gradient_pct": -7.360340182992644
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.880574245626306,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1639.0,
   "end_distance_m": 1659.0,
   "start_elevation_m": 116.414050406967,
   "end_elevation_m": 120.99016525609225,
   "min_gradient_pct": -7.058268015396507
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.43742874027157,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1635.0,
   "end_distance_m": 1660.0,
   "start_elevation_m": 115.59239068188458,
   "end_elevation_m": 121.20174786695247,
   "min_gradient_pct": -6.8052329839597405
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.906185220976937,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1611.0,
   "end_distance_m": 1661.0,
   "start_elevation_m": 110.94111467045177,
   "end_elevation_m": 121.39420728094024,
   "min_gradient_pct": -5.066235384606429
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.246468757028566,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1607.0,
   "end_distance_m": 1707.0,
   "start_elevation_m": 110.1841733457419,
   "end_elevation_m": 130.43064210277046,
   "min_gradient_pct": -2.0527042123596537
  }
 ],
 "shape": {
  "ascent_concentration": 0.55,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 405.0,
  "shape_class": "stepped"
 },
 "length_m": 1772.000000000733,
 "start_elevation_m": 19.734259273415603,
 "end_elevation_m": 140.38888598075755,
 "endpoint_gain_m": 120.65462670734195,
 "overall_gradient_pct": 6.808951845783975,
 "accumulated_ascent_m": 128.19773551969763,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.12135410366659,
   "start_distance_m": 1646.0,
   "end_distance_m": 1651.0,
   "midpoint_distance_m": 1648.5,
   "start_elevation_m": 117.98641644007458,
   "end_elevation_m": 119.19248414525791,
   "start_xy": [
    48226.83298349143,
    6461791.076175112
   ],
   "end_xy": [
    48226.16426933404,
    6461786.110484154
   ]
  },
  "max_10m": {
   "gradient_pct": 23.69118838451726,
   "start_distance_m": 1646.0,
   "end_distance_m": 1656.0,
   "midpoint_distance_m": 1651.0,
   "start_elevation_m": 117.98641644007458,
   "end_elevation_m": 120.3555352785263,
   "start_xy": [
    48226.83298349143,
    6461791.076175112
   ],
   "end_xy": [
    48225.49262133918,
    6461781.145189236
   ]
  },
  "max_20m": {
   "gradient_pct": 22.880574245626306,
   "start_distance_m": 1639.0,
   "end_distance_m": 1659.0,
   "midpoint_distance_m": 1649.0,
   "start_elevation_m": 116.414050406967,
   "end_elevation_m": 120.99016525609225,
   "start_xy": [
    48227.72627484453,
    6461798.032299544
   ],
   "end_xy": [
    48223.95314366613,
    6461778.575903222
   ]
  },
  "max_25m": {
   "gradient_pct": 22.43742874027157,
   "start_distance_m": 1635.0,
   "end_distance_m": 1660.0,
   "midpoint_distance_m": 1647.5,
   "start_elevation_m": 115.59239068188458,
   "end_elevation_m": 121.20174786695247,
   "start_xy": [
    48227.96383991657,
    6461802.033665838
   ],
   "end_xy": [
    48223.422676701164,
    6461777.725717671
   ]
  },
  "max_50m": {
   "gradient_pct": 20.906185220976937,
   "start_distance_m": 1611.0,
   "end_distance_m": 1661.0,
   "midpoint_distance_m": 1636.0,
   "start_elevation_m": 110.94111467045177,
   "end_elevation_m": 121.39420728094024,
   "start_xy": [
    48230.025791239575,
    6461825.9914248865
   ],
   "end_xy": [
    48222.80506740358,
    6461776.961221443
   ]
  },
  "max_100m": {
   "gradient_pct": 20.246468757028566,
   "start_distance_m": 1607.0,
   "end_distance_m": 1707.0,
   "midpoint_distance_m": 1657.0,
   "start_elevation_m": 110.1841733457419,
   "end_elevation_m": 130.43064210277046,
   "start_xy": [
    48230.421337756794,
    6461829.9802733185
   ],
   "end_xy": [
    48179.32832731049,
    6461777.350810135
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.565741319086499,
   "start_distance_m": 1111.0,
   "end_distance_m": 1116.0,
   "midpoint_distance_m": 1113.5,
   "start_elevation_m": 53.30475955070699,
   "end_elevation_m": 52.926472484752665,
   "start_xy": [
    48389.51805726152,
    6462024.658738594
   ],
   "end_xy": [
    48384.87403339479,
    6462022.777722303
   ]
  },
  "min_10m": {
   "gradient_pct": -7.360340182992644,
   "start_distance_m": 1106.0,
   "end_distance_m": 1116.0,
   "midpoint_distance_m": 1111.0,
   "start_elevation_m": 53.66250650305193,
   "end_elevation_m": 52.926472484752665,
   "start_xy": [
    48394.16208112824,
    6462026.539754884
   ],
   "end_xy": [
    48384.87403339479,
    6462022.777722303
   ]
  },
  "min_20m": {
   "gradient_pct": -7.058268015396507,
   "start_distance_m": 1103.0,
   "end_distance_m": 1123.0,
   "midpoint_distance_m": 1113.0,
   "start_elevation_m": 53.868180199948085,
   "end_elevation_m": 52.456526596868784,
   "start_xy": [
    48396.94849544828,
    6462027.668364659
   ],
   "end_xy": [
    48378.372399981374,
    6462020.144299495
   ]
  },
  "min_25m": {
   "gradient_pct": -6.8052329839597405,
   "start_distance_m": 1098.0,
   "end_distance_m": 1123.0,
   "midpoint_distance_m": 1110.5,
   "start_elevation_m": 54.15783484285872,
   "end_elevation_m": 52.456526596868784,
   "start_xy": [
    48401.70286238417,
    6462029.245681697
   ],
   "end_xy": [
    48378.372399981374,
    6462020.144299495
   ]
  },
  "min_50m": {
   "gradient_pct": -5.066235384606429,
   "start_distance_m": 1086.0,
   "end_distance_m": 1136.0,
   "midpoint_distance_m": 1111.0,
   "start_elevation_m": 54.51344959893,
   "end_elevation_m": 51.98033190662679,
   "start_xy": [
    48413.52255762453,
    6462031.194880536
   ],
   "end_xy": [
    48366.29793792789,
    6462015.253657139
   ]
  },
  "min_100m": {
   "gradient_pct": -2.0527042123596537,
   "start_distance_m": 370.0,
   "end_distance_m": 470.0,
   "midpoint_distance_m": 420.0,
   "start_elevation_m": 23.424084560345978,
   "end_elevation_m": 21.371380347986324,
   "start_xy": [
    48964.64867899468,
    6461640.178020786
   ],
   "end_xy": [
    48904.76502385611,
    6461720.42479113
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.8471090605193,
   "start_distance_m": 1649.0,
   "end_distance_m": 1651.0,
   "midpoint_distance_m": 1650.0,
   "start_elevation_m": 118.69554196404752,
   "end_elevation_m": 119.19248414525791,
   "start_xy": [
    48226.431754997,
    6461788.0967605375
   ],
   "end_xy": [
    48226.16426933404,
    6461786.110484154
   ]
  },
  "max_3m": {
   "gradient_pct": 24.276782053688823,
   "start_distance_m": 1649.0,
   "end_distance_m": 1652.0,
   "midpoint_distance_m": 1650.5,
   "start_elevation_m": 118.69554196404752,
   "end_elevation_m": 119.42384542565819,
   "start_xy": [
    48226.431754997,
    6461788.0967605375
   ],
   "end_xy": [
    48226.03026443759,
    6461785.117381338
   ]
  }
 },
 "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": 0.143,
   "obstruction_max_height_m": 22.54,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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-b02",
   "road_pbf": "no-b02-block-batch-no-b02.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_E47000-N6460500_1m.tif",
   "data/cache/no/nhm-no_dtm_E47000-N6461000_1m.tif",
   "data/cache/no/nhm-no_dtm_E47000-N6461500_1m.tif",
   "data/cache/no/nhm-no_dtm_E47500-N6460500_1m.tif",
   "data/cache/no/nhm-no_dtm_E47500-N6461000_1m.tif",
   "data/cache/no/nhm-no_dtm_E47500-N6461500_1m.tif",
   "data/cache/no/nhm-no_dtm_E47500-N6462000_1m.tif",
   "data/cache/no/nhm-no_dtm_E48000-N6460500_1m.tif",
   "data/cache/no/nhm-no_dtm_E48000-N6461000_1m.tif",
   "data/cache/no/nhm-no_dtm_E48000-N6461500_1m.tif",
   "data/cache/no/nhm-no_dtm_E48000-N6462000_1m.tif",
   "data/cache/no/nhm-no_dtm_E48500-N6461000_1m.tif",
   "data/cache/no/nhm-no_dtm_E48500-N6461500_1m.tif",
   "data/cache/no/nhm-no_dtm_E48500-N6462000_1m.tif",
   "data/cache/no/nhm-no_dtm_E49000-N6461000_1m.tif",
   "data/cache/no/nhm-no_dtm_E49000-N6461500_1m.tif"
  ],
  "calculated_at": "2026-10-03T21:00:34+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b02-block-batch-no-b02.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b02",
  "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": [
   "E47000-N6460500",
   "E47000-N6461000",
   "E47000-N6461500",
   "E47500-N6460500",
   "E47500-N6461000",
   "E47500-N6461500",
   "E47500-N6462000",
   "E48000-N6460500",
   "E48000-N6461000",
   "E48000-N6461500",
   "E48000-N6462000",
   "E48500-N6461000",
   "E48500-N6461500",
   "E48500-N6462000",
   "E49000-N6461000",
   "E49000-N6461500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2008-01-01",
    "name": "Lindesnes 2008",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2008
   },
   {
    "last_flight_date": "2010-04-24",
    "name": "Lindesnes 2010",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "snow-season",
    "year": 2010
   },
   {
    "last_flight_date": "2011-06-03",
    "name": "Lindesnes 2011",
    "points_per_m2": 3,
    "resolution_m": 0.5,
    "season": "",
    "year": 2011
   },
   {
    "last_flight_date": "2007-01-01",
    "name": "Mandal 2007",
    "points_per_m2": 2.5,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2007
   },
   {
    "last_flight_date": "2017-11-13",
    "name": "NDH Lindesnes 5pkt 2017",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "snow-season",
    "year": 2017
   },
   {
    "last_flight_date": "2017-05-23",
    "name": "NDH Mandal-Marnadal-Vennesla 5pkt 2017",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2017
   }
  ],
  "nhm_last_flight_date": "2017-11-13",
  "nhm_snow_season_flights": [
   "Lindesnes 2010",
   "NDH Lindesnes 5pkt 2017"
  ],
  "nhm_flight_season_unknown": [
   "Lindesnes 2008",
   "Mandal 2007"
  ],
  "nhm_retrieved_at": "2026-10-03T10:16:37Z",
  "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": 1658.4,
  "route_summit_trim_loss_m": 52.7,
  "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": 77,
   "stations_resolved": 77,
   "width_median_m": 4.25,
   "width_p10_m": 3.0,
   "width_min_m": 2.5,
   "width_max_m": 12.0,
   "bounded_share": 0.247,
   "unbounded_share": 0.753,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.75,
   "window_m": [
    1635.0,
    1660.0
   ],
   "width_at_max25_m": 3.38,
   "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": 77,
    "stations_resolved": 77,
    "width_median_m": 6.0,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.714,
    "unbounded_share": 0.286,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.5,
    "window_m": [
     1635.0,
     1660.0
    ],
    "width_at_max25_m": 1.38,
    "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
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Lindesnes",
  "county": "Agder",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}