{
 "ocl_version": "0.1.0",
 "name": "Kyrre Greppsgate",
 "slug": "kyrre-greppsgate",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.24546937066745,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 427.0,
   "end_distance_m": 429.0,
   "start_elevation_m": 46.66014355008588,
   "end_elevation_m": 47.165052937499226,
   "min_gradient_pct": -4.082304515945445
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.255188794082965,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 426.0,
   "end_distance_m": 429.0,
   "start_elevation_m": 46.43739727367674,
   "end_elevation_m": 47.165052937499226,
   "min_gradient_pct": -3.516032960392342
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.4489478337764,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 425.0,
   "end_distance_m": 430.0,
   "start_elevation_m": 46.21504698599982,
   "end_elevation_m": 47.38749437768864,
   "min_gradient_pct": -2.441963397238567
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.80002059938049,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 420.0,
   "end_distance_m": 430.0,
   "start_elevation_m": 45.10749231775059,
   "end_elevation_m": 47.38749437768864,
   "min_gradient_pct": -1.452989290434843
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.380269681936248,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 420.0,
   "end_distance_m": 440.0,
   "start_elevation_m": 45.10749231775059,
   "end_elevation_m": 49.38354625413784,
   "min_gradient_pct": -1.3767417435083829
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.787899387367162,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 418.0,
   "end_distance_m": 443.0,
   "start_elevation_m": 44.733086621862334,
   "end_elevation_m": 49.930061468704125,
   "min_gradient_pct": -1.1972135881746908
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.27551906640349,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 406.0,
   "end_distance_m": 456.0,
   "start_elevation_m": 42.62446816353804,
   "end_elevation_m": 52.262227696739785,
   "min_gradient_pct": -0.9914003474539044
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.101928304333235,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 364.0,
   "end_distance_m": 464.0,
   "start_elevation_m": 35.54401686441647,
   "end_elevation_m": 53.645945168749705,
   "min_gradient_pct": 0.06933803773800662
  }
 ],
 "shape": {
  "ascent_concentration": 0.56,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 182.0,
  "shape_class": "stepped"
 },
 "length_m": 562.1965204906114,
 "start_elevation_m": 23.503712482509922,
 "end_elevation_m": 65.17700972339021,
 "endpoint_gain_m": 41.67329724088029,
 "overall_gradient_pct": 7.412585407770454,
 "accumulated_ascent_m": 42.68615765312053,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.4489478337764,
   "start_distance_m": 425.0,
   "end_distance_m": 430.0,
   "midpoint_distance_m": 427.5,
   "start_elevation_m": 46.21504698599982,
   "end_elevation_m": 47.38749437768864,
   "start_xy": [
    21874.192514350514,
    6820682.429673925
   ],
   "end_xy": [
    21870.72704608186,
    6820685.972085917
   ]
  },
  "max_10m": {
   "gradient_pct": 22.80002059938049,
   "start_distance_m": 420.0,
   "end_distance_m": 430.0,
   "midpoint_distance_m": 425.0,
   "start_elevation_m": 45.10749231775059,
   "end_elevation_m": 47.38749437768864,
   "start_xy": [
    21876.664121343976,
    6820678.115553434
   ],
   "end_xy": [
    21870.72704608186,
    6820685.972085917
   ]
  },
  "max_20m": {
   "gradient_pct": 21.380269681936248,
   "start_distance_m": 420.0,
   "end_distance_m": 440.0,
   "midpoint_distance_m": 430.0,
   "start_elevation_m": 45.10749231775059,
   "end_elevation_m": 49.38354625413784,
   "start_xy": [
    21876.664121343976,
    6820678.115553434
   ],
   "end_xy": [
    21861.284938772813,
    6820689.279070562
   ]
  },
  "max_25m": {
   "gradient_pct": 20.787899387367162,
   "start_distance_m": 418.0,
   "end_distance_m": 443.0,
   "midpoint_distance_m": 430.5,
   "start_elevation_m": 44.733086621862334,
   "end_elevation_m": 49.930061468704125,
   "start_xy": [
    21877.5189608248,
    6820676.302134629
   ],
   "end_xy": [
    21858.371438375416,
    6820690.023923288
   ]
  },
  "max_50m": {
   "gradient_pct": 19.27551906640349,
   "start_distance_m": 406.0,
   "end_distance_m": 456.0,
   "midpoint_distance_m": 431.0,
   "start_elevation_m": 42.62446816353804,
   "end_elevation_m": 52.262227696739785,
   "start_xy": [
    21880.37044363925,
    6820664.64711655
   ],
   "end_xy": [
    21845.66772042756,
    6820692.893998794
   ]
  },
  "max_100m": {
   "gradient_pct": 18.101928304333235,
   "start_distance_m": 364.0,
   "end_distance_m": 464.0,
   "midpoint_distance_m": 414.0,
   "start_elevation_m": 35.54401686441647,
   "end_elevation_m": 53.645945168749705,
   "start_xy": [
    21878.632828175287,
    6820622.827277439
   ],
   "end_xy": [
    21837.781131577533,
    6820694.34643782
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.441963397238567,
   "start_distance_m": 48.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 50.5,
   "start_elevation_m": 23.142290418239064,
   "end_elevation_m": 23.020192248377136,
   "start_xy": [
    21694.209098952335,
    6820366.95584353
   ],
   "end_xy": [
    21697.28059462776,
    6820370.916431579
   ]
  },
  "min_10m": {
   "gradient_pct": -1.452989290434843,
   "start_distance_m": 25.0,
   "end_distance_m": 35.0,
   "midpoint_distance_m": 30.0,
   "start_elevation_m": 23.351132009823495,
   "end_elevation_m": 23.20583308078001,
   "start_xy": [
    21681.443234323957,
    6820348.011286389
   ],
   "end_xy": [
    21686.08113311726,
    6820356.770856815
   ]
  },
  "min_20m": {
   "gradient_pct": -1.3767417435083829,
   "start_distance_m": 24.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 23.36293508626018,
   "end_elevation_m": 23.087586737558503,
   "start_xy": [
    21681.29940460794,
    6820347.019254534
   ],
   "end_xy": [
    21691.751902411997,
    6820363.78737309
   ]
  },
  "min_25m": {
   "gradient_pct": -1.1972135881746908,
   "start_distance_m": 20.0,
   "end_distance_m": 45.0,
   "midpoint_distance_m": 32.5,
   "start_elevation_m": 23.380631178547436,
   "end_elevation_m": 23.081327781503763,
   "start_xy": [
    21680.724085743874,
    6820343.051127113
   ],
   "end_xy": [
    21692.36620154708,
    6820364.5794907
   ]
  },
  "min_50m": {
   "gradient_pct": -0.9914003474539044,
   "start_distance_m": 2.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 27.0,
   "start_elevation_m": 23.524492937956975,
   "end_elevation_m": 23.028792764230023,
   "start_xy": [
    21680.492976831192,
    6820325.185267906
   ],
   "end_xy": [
    21696.666295492672,
    6820370.124313968
   ]
  },
  "min_100m": {
   "gradient_pct": 0.06933803773800662,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 23.503712482509922,
   "end_elevation_m": 23.57305052024793,
   "start_xy": [
    21680.765,
    6820323.199
   ],
   "end_xy": [
    21726.72204035056,
    6820407.689620108
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.24546937066745,
   "start_distance_m": 427.0,
   "end_distance_m": 429.0,
   "midpoint_distance_m": 428.0,
   "start_elevation_m": 46.66014355008588,
   "end_elevation_m": 47.165052937499226,
   "start_xy": [
    21872.86965278938,
    6820683.936085524
   ],
   "end_xy": [
    21871.546791228244,
    6820685.442497124
   ]
  },
  "max_3m": {
   "gradient_pct": 24.255188794082965,
   "start_distance_m": 426.0,
   "end_distance_m": 429.0,
   "midpoint_distance_m": 427.5,
   "start_elevation_m": 46.43739727367674,
   "end_elevation_m": 47.165052937499226,
   "start_xy": [
    21873.531083569946,
    6820683.182879725
   ],
   "end_xy": [
    21871.546791228244,
    6820685.442497124
   ]
  }
 },
 "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": 0.004,
   "obstruction_max_height_m": 2.13,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "f734ae6b8374a5620775f88f78087f4b3f1875d8",
   "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-b06",
   "road_pbf": "no-b06-block-batch-no-b06.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_E21500-N6820000_1m.tif",
   "data/cache/no/nhm-no_dtm_E21500-N6820500_1m.tif"
  ],
  "calculated_at": "2026-10-03T19:05:17+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/no-b06-block-batch-no-b06.osm.pbf",
  "osm_snapshot": "",
  "run_id": "no-b06",
  "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": [
   "E21500-N6820000",
   "E21500-N6820500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2012-10-14",
    "name": "H\u00f8yanger 2012",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2012
   },
   {
    "last_flight_date": "2008-01-01",
    "name": "Sogn og Fjordane 2008",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "season-unknown",
    "year": 2008
   }
  ],
  "nhm_last_flight_date": "2012-10-14",
  "nhm_flight_season_unknown": [
   "Sogn og Fjordane 2008"
  ],
  "nhm_retrieved_at": "2026-10-03T10:20:59Z",
  "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": 29,
   "stations_resolved": 29,
   "width_median_m": 6.5,
   "width_p10_m": 3.65,
   "width_min_m": 3.0,
   "width_max_m": 12.0,
   "bounded_share": 0.034,
   "unbounded_share": 0.966,
   "confidence_median": 0.0,
   "width_median_bounded_m": 3.25,
   "window_m": [
    418.0,
    443.0
   ],
   "width_at_max25_m": 5.25,
   "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": 29,
    "stations_resolved": 29,
    "width_median_m": 8.0,
    "width_p10_m": 4.35,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.586,
    "unbounded_share": 0.414,
    "confidence_median": 1.0,
    "width_median_bounded_m": 6.5,
    "window_m": [
     418.0,
     443.0
    ],
    "width_at_max25_m": 9.25,
    "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": "H\u00f8yanger",
  "county": "Vestland",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}