{
 "ocl_version": "0.1.0",
 "name": "H\u00f8gredalsvegen",
 "slug": "hogredalsvegen-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 19.67286060177571,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 932.0,
   "end_distance_m": 934.0,
   "start_elevation_m": 312.4871038692685,
   "end_elevation_m": 312.880561081304,
   "min_gradient_pct": -1.1574982373730336
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 19.650028063532925,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 931.0,
   "end_distance_m": 934.0,
   "start_elevation_m": 312.291060239398,
   "end_elevation_m": 312.880561081304,
   "min_gradient_pct": 1.3826641896002911
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.54434456166041,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 931.0,
   "end_distance_m": 936.0,
   "start_elevation_m": 312.291060239398,
   "end_elevation_m": 313.268277467481,
   "min_gradient_pct": 3.341217148981741
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.460326548345392,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 931.0,
   "end_distance_m": 941.0,
   "start_elevation_m": 312.291060239398,
   "end_elevation_m": 314.23709289423255,
   "min_gradient_pct": 4.237707545736953
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.771518165102634,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 927.0,
   "end_distance_m": 947.0,
   "start_elevation_m": 311.56316828736215,
   "end_elevation_m": 315.3174719203827,
   "min_gradient_pct": 4.953599323662985
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.45000955429282,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 926.0,
   "end_distance_m": 951.0,
   "start_elevation_m": 311.4023874986317,
   "end_elevation_m": 316.0148898872049,
   "min_gradient_pct": 5.105465122236637
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.135225482896658,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1499.0,
   "end_distance_m": 1549.0,
   "start_elevation_m": 385.9212560107645,
   "end_elevation_m": 394.48886875221285,
   "min_gradient_pct": 6.4569034534283105
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.324069186471206,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 805.0,
   "end_distance_m": 905.0,
   "start_elevation_m": 293.32903264151844,
   "end_elevation_m": 308.65310182798964,
   "min_gradient_pct": 8.648410001519096
  }
 ],
 "shape": {
  "ascent_concentration": 0.285,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 313.0,
  "shape_class": "sustained"
 },
 "length_m": 1549.3794806897645,
 "start_elevation_m": 198.69067928833064,
 "end_elevation_m": 394.5541513789223,
 "endpoint_gain_m": 195.86347209059167,
 "overall_gradient_pct": 12.641413839003192,
 "accumulated_ascent_m": 195.88662205533913,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.54434456166041,
   "start_distance_m": 931.0,
   "end_distance_m": 936.0,
   "midpoint_distance_m": 933.5,
   "start_elevation_m": 312.291060239398,
   "end_elevation_m": 313.268277467481,
   "start_xy": [
    52903.01212253921,
    6868384.072595256
   ],
   "end_xy": [
    52905.776889582994,
    6868379.896917579
   ]
  },
  "max_10m": {
   "gradient_pct": 19.460326548345392,
   "start_distance_m": 931.0,
   "end_distance_m": 941.0,
   "midpoint_distance_m": 936.0,
   "start_elevation_m": 312.291060239398,
   "end_elevation_m": 314.23709289423255,
   "start_xy": [
    52903.01212253921,
    6868384.072595256
   ],
   "end_xy": [
    52909.22873339502,
    6868376.286846796
   ]
  },
  "max_20m": {
   "gradient_pct": 18.771518165102634,
   "start_distance_m": 927.0,
   "end_distance_m": 947.0,
   "midpoint_distance_m": 937.0,
   "start_elevation_m": 311.56316828736215,
   "end_elevation_m": 315.3174719203827,
   "start_xy": [
    52900.90284180028,
    6868387.480365045
   ],
   "end_xy": [
    52914.971856845754,
    6868374.661114189
   ]
  },
  "max_25m": {
   "gradient_pct": 18.45000955429282,
   "start_distance_m": 926.0,
   "end_distance_m": 951.0,
   "midpoint_distance_m": 938.5,
   "start_elevation_m": 311.4023874986317,
   "end_elevation_m": 316.0148898872049,
   "start_xy": [
    52900.42003761129,
    6868388.358433278
   ],
   "end_xy": [
    52918.979967075524,
    6868374.687674456
   ]
  },
  "max_50m": {
   "gradient_pct": 17.135225482896658,
   "start_distance_m": 1499.0,
   "end_distance_m": 1549.0,
   "midpoint_distance_m": 1524.0,
   "start_elevation_m": 385.9212560107645,
   "end_elevation_m": 394.48886875221285,
   "start_xy": [
    53046.99097256746,
    6868144.365262582
   ],
   "end_xy": [
    53063.80537927723,
    6868097.191594413
   ]
  },
  "max_100m": {
   "gradient_pct": 15.324069186471206,
   "start_distance_m": 805.0,
   "end_distance_m": 905.0,
   "midpoint_distance_m": 855.0,
   "start_elevation_m": 293.32903264151844,
   "end_elevation_m": 308.65310182798964,
   "start_xy": [
    52877.824541473565,
    6868503.175620507
   ],
   "end_xy": [
    52888.81341068148,
    6868405.8609141065
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.341217148981741,
   "start_distance_m": 603.0,
   "end_distance_m": 608.0,
   "midpoint_distance_m": 605.5,
   "start_elevation_m": 268.82668702873036,
   "end_elevation_m": 268.99374788617945,
   "start_xy": [
    52881.14640209251,
    6868690.384508923
   ],
   "end_xy": [
    52877.22694783298,
    6868687.270394199
   ]
  },
  "min_10m": {
   "gradient_pct": 4.237707545736953,
   "start_distance_m": 1283.0,
   "end_distance_m": 1293.0,
   "midpoint_distance_m": 1288.0,
   "start_elevation_m": 360.7650392854851,
   "end_elevation_m": 361.1888100400588,
   "start_xy": [
    52958.65470594803,
    6868158.596123704
   ],
   "end_xy": [
    52959.37226864544,
    6868148.6224494595
   ]
  },
  "min_20m": {
   "gradient_pct": 4.953599323662985,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 198.69067928833064,
   "end_elevation_m": 199.68139915306324,
   "start_xy": [
    52658.028,
    6868909.145
   ],
   "end_xy": [
    52677.37312706302,
    6868903.910386223
   ]
  },
  "min_25m": {
   "gradient_pct": 5.105465122236637,
   "start_distance_m": 583.0,
   "end_distance_m": 608.0,
   "midpoint_distance_m": 595.5,
   "start_elevation_m": 267.7173816056203,
   "end_elevation_m": 268.99374788617945,
   "start_xy": [
    52895.0784490477,
    6868704.701184175
   ],
   "end_xy": [
    52877.22694783298,
    6868687.270394199
   ]
  },
  "min_50m": {
   "gradient_pct": 6.4569034534283105,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 198.69067928833064,
   "end_elevation_m": 201.9191310150448,
   "start_xy": [
    52658.028,
    6868909.145
   ],
   "end_xy": [
    52706.39962366235,
    6868896.099873946
   ]
  },
  "min_100m": {
   "gradient_pct": 8.648410001519096,
   "start_distance_m": 558.0,
   "end_distance_m": 658.0,
   "midpoint_distance_m": 608.0,
   "start_elevation_m": 265.6073413227716,
   "end_elevation_m": 274.2557513242907,
   "start_xy": [
    52908.76147371923,
    6868725.669496717
   ],
   "end_xy": [
    52852.908845147045,
    6868645.831958235
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 19.67286060177571,
   "start_distance_m": 932.0,
   "end_distance_m": 934.0,
   "midpoint_distance_m": 933.0,
   "start_elevation_m": 312.4871038692685,
   "end_elevation_m": 312.880561081304,
   "start_xy": [
    52903.54330444573,
    6868383.222919197
   ],
   "end_xy": [
    52904.61414116829,
    6868381.5292258775
   ]
  },
  "max_3m": {
   "gradient_pct": 19.650028063532925,
   "start_distance_m": 931.0,
   "end_distance_m": 934.0,
   "midpoint_distance_m": 932.5,
   "start_elevation_m": 312.291060239398,
   "end_elevation_m": 312.880561081304,
   "start_xy": [
    52903.01212253921,
    6868384.072595256
   ],
   "end_xy": [
    52904.61414116829,
    6868381.5292258775
   ]
  }
 },
 "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": 0.059,
   "obstruction_max_height_m": 10.68,
   "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_E52500-N6868000_1m.tif",
   "data/cache/no/nhm-no_dtm_E52500-N6868500_1m.tif",
   "data/cache/no/nhm-no_dtm_E53000-N6868000_1m.tif",
   "data/cache/no/nhm-no_dtm_E53000-N6868500_1m.tif"
  ],
  "calculated_at": "2026-10-03T19:11:33+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": [
   "E52500-N6868000",
   "E52500-N6868500",
   "E53000-N6868000",
   "E53000-N6868500"
  ],
  "elevation_blocks": [
   "nhm-dtm-1m"
  ],
  "nhm_laser_projects": [
   {
    "last_flight_date": "2017-07-21",
    "name": "NDH Gloppen 5pkt 2017",
    "points_per_m2": 5,
    "resolution_m": 0.25,
    "season": "",
    "year": 2017
   },
   {
    "last_flight_date": "2010-09-05",
    "name": "Nordfjord Sunnfjord 2010",
    "points_per_m2": 2,
    "resolution_m": 0.5,
    "season": "",
    "year": 2010
   }
  ],
  "nhm_last_flight_date": "2017-07-21",
  "nhm_retrieved_at": "2026-10-03T16:34:13Z",
  "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": 69,
   "stations_resolved": 69,
   "width_median_m": 4.5,
   "width_p10_m": 3.25,
   "width_min_m": 2.75,
   "width_max_m": 10.5,
   "bounded_share": 0.348,
   "unbounded_share": 0.652,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.5,
   "window_m": [
    926.0,
    951.0
   ],
   "width_at_max25_m": 5.0,
   "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": 69,
    "stations_resolved": 69,
    "width_median_m": 6.5,
    "width_p10_m": 1.9,
    "width_min_m": 1.0,
    "width_max_m": 12.0,
    "bounded_share": 0.71,
    "unbounded_share": 0.29,
    "confidence_median": 1.0,
    "width_median_bounded_m": 5.5,
    "window_m": [
     926.0,
     951.0
    ],
    "width_at_max25_m": 5.25,
    "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": "Gloppen",
  "county": "Vestland",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}