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   "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_E9000-N6808000_1m.tif",
   "data/cache/no/nhm-no_dtm_E9000-N6808500_1m.tif",
   "data/cache/no/nhm-no_dtm_E9500-N6807000_1m.tif",
   "data/cache/no/nhm-no_dtm_E9500-N6807500_1m.tif",
   "data/cache/no/nhm-no_dtm_E9500-N6808000_1m.tif",
   "data/cache/no/nhm-no_dtm_E9500-N6808500_1m.tif",
   "data/cache/no/nhm-no_dtm_E10000-N6806500_1m.tif",
   "data/cache/no/nhm-no_dtm_E10000-N6807000_1m.tif",
   "data/cache/no/nhm-no_dtm_E10000-N6807500_1m.tif",
   "data/cache/no/nhm-no_dtm_E10000-N6808000_1m.tif",
   "data/cache/no/nhm-no_dtm_E10500-N6806500_1m.tif",
   "data/cache/no/nhm-no_dtm_E10500-N6807000_1m.tif",
   "data/cache/no/nhm-no_dtm_E10500-N6807500_1m.tif",
   "data/cache/no/nhm-no_dtm_E10500-N6808000_1m.tif",
   "data/cache/no/nhm-no_dtm_E11000-N6806000_1m.tif",
   "data/cache/no/nhm-no_dtm_E11000-N6806500_1m.tif",
   "data/cache/no/nhm-no_dtm_E11000-N6807000_1m.tif",
   "data/cache/no/nhm-no_dtm_E11500-N6805500_1m.tif",
   "data/cache/no/nhm-no_dtm_E11500-N6806000_1m.tif",
   "data/cache/no/nhm-no_dtm_E11500-N6806500_1m.tif"
  ],
  "calculated_at": "2026-10-03T19:56:18+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": [
   "E9000-N6808000",
   "E9000-N6808500",
   "E9500-N6807000",
   "E9500-N6807500",
   "E9500-N6808000",
   "E9500-N6808500",
   "E10000-N6806500",
   "E10000-N6807000",
   "E10000-N6807500",
   "E10000-N6808000",
   "E10500-N6806500",
   "E10500-N6807000",
   "E10500-N6807500",
   "E10500-N6808000",
   "E11000-N6806000",
   "E11000-N6806500",
   "E11000-N6807000",
   "E11500-N6805500",
   "E11500-N6806000",
   "E11500-N6806500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2017-07-20",
    "name": "NDH H\u00f8yanger-Vik 5pkt 2017",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2017
   },
   {
    "last_flight_date": "2016-10-14",
    "name": "NDH H\u00f8yanger-Vik-St\u00f8lsheimen 2pkt 2016",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2016
   },
   {
    "last_flight_date": "2014-10-16",
    "name": "St\u00f8lsheimen 2pkt 2014",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2014
   }
  ],
  "nhm_last_flight_date": "2017-07-20",
  "nhm_laser_fill_fraction_by_cell": {
   "E9000-N6808000": 0.12506
  },
  "nhm_retrieved_at": "2026-10-03T08:33:36Z",
  "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": 1984.2,
  "route_summit_trim_loss_m": 113.0,
  "climb_origin": "discovered",
  "seam_filled_samples": {
   "count": 0,
   "distances_m": []
  },
  "seam_filled_in_maximum": false,
  "structure_own_ways": 2,
  "tunnel_check": "osm tunnel=* ways on 2 own way(s)",
  "tunnel_ranges_m": [],
  "underground_fraction": 0.0,
  "structure_mask_ranges_m": [
   [
    538.5,
    568.5
   ]
  ],
  "suppression_unstable": [
   5.0,
   10.0
  ],
  "carriageway": {
   "stations": 237,
   "stations_resolved": 237,
   "width_median_m": 4.5,
   "width_p10_m": 3.15,
   "width_min_m": 1.25,
   "width_max_m": 10.25,
   "bounded_share": 0.278,
   "unbounded_share": 0.722,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.75,
   "window_m": [
    4319.0,
    4344.0
   ],
   "width_at_max25_m": 4.0,
   "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": 237,
    "stations_resolved": 237,
    "width_median_m": 2.75,
    "width_p10_m": 1.15,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.869,
    "unbounded_share": 0.131,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.5,
    "window_m": [
     4319.0,
     4344.0
    ],
    "width_at_max25_m": 2.5,
    "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 (named from its own OSM street ('S\u00f8reidetunnelen'), anchored to 'St\u00f8lgarden' (Peter, 2026-09-30))",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "H\u00f8yanger",
  "county": "Vestland",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}