{
 "ocl_version": "0.1.0",
 "name": "Fluh",
 "slug": "fluh-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 41.08590282179989,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 837.0,
   "end_distance_m": 839.0,
   "start_elevation_m": 701.3721183197058,
   "end_elevation_m": 702.1938363761418,
   "min_gradient_pct": -10.93367552896325,
   "suppressed_max_gradient_pct": 69.41754928008663,
   "suppressed_location_m": [
    936.0,
    938.0
   ],
   "suppressed_min_gradient_pct": -64.79451258334734,
   "suppressed_min_location_m": [
    934.0,
    936.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 35.50005067625458,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 836.0,
   "end_distance_m": 839.0,
   "start_elevation_m": 701.1288348558542,
   "end_elevation_m": 702.1938363761418,
   "min_gradient_pct": -10.94147417492574,
   "suppressed_max_gradient_pct": 54.88242201321706,
   "suppressed_location_m": [
    936.0,
    939.0
   ],
   "suppressed_min_gradient_pct": -50.3564592017824,
   "suppressed_min_location_m": [
    933.0,
    936.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.43219616270426,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "texture_excluded",
    "suppression_unstable",
    "canopy_or_structure"
   ],
   "start_distance_m": 834.0,
   "end_distance_m": 839.0,
   "start_elevation_m": 700.4722265680066,
   "end_elevation_m": 702.1938363761418,
   "min_gradient_pct": -4.844045539766739,
   "suppressed_max_gradient_pct": 41.34386699710831,
   "suppressed_location_m": [
    767.0,
    772.0
   ],
   "suppressed_min_gradient_pct": -28.742767418405037,
   "suppressed_min_location_m": [
    931.0,
    936.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.144613669213868,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 963.0,
   "end_distance_m": 973.0,
   "start_elevation_m": 715.2554114343981,
   "end_elevation_m": 718.1698728013195,
   "min_gradient_pct": -2.233328903854499,
   "suppressed_max_gradient_pct": 32.59448052806988,
   "suppressed_location_m": [
    762.0,
    772.0
   ],
   "suppressed_min_gradient_pct": -15.393493762719572,
   "suppressed_min_location_m": [
    926.0,
    936.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.68673175643903,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "suppression_unstable",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 962.0,
   "end_distance_m": 982.0,
   "start_elevation_m": 715.0067205783571,
   "end_elevation_m": 720.3440669296449,
   "min_gradient_pct": 0.2996830712419296,
   "suppressed_max_gradient_pct": 30.026319384568865,
   "suppressed_location_m": [
    994.0,
    1014.0
   ],
   "suppressed_min_gradient_pct": -8.145799519504635,
   "suppressed_min_location_m": [
    916.0,
    936.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.887749083338804,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 959.0,
   "end_distance_m": 984.0,
   "start_elevation_m": 714.3528841912644,
   "end_elevation_m": 720.8248214620991,
   "min_gradient_pct": 1.5064223765880342,
   "suppressed_max_gradient_pct": 29.742511083916725,
   "suppressed_location_m": [
    987.0,
    1012.0
   ],
   "suppressed_min_gradient_pct": -5.508807026687464,
   "suppressed_min_location_m": [
    911.0,
    936.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.59839603359569,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1015.0,
   "end_distance_m": 1065.0,
   "start_elevation_m": 729.9560372414174,
   "end_elevation_m": 739.2552352582153,
   "min_gradient_pct": 1.8669538072219893,
   "suppressed_max_gradient_pct": 28.398503038164336,
   "suppressed_location_m": [
    966.0,
    1016.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.04901734010207,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 659.0,
   "end_distance_m": 759.0,
   "start_elevation_m": 675.9168038395602,
   "end_elevation_m": 691.9658211796623,
   "min_gradient_pct": 3.845246469366998,
   "suppressed_max_gradient_pct": 24.774394165761805,
   "suppressed_location_m": [
    936.0,
    1036.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.337,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 205.0,
  "shape_class": "sustained"
 },
 "length_m": 1079.6546145931313,
 "start_elevation_m": 612.1339275417548,
 "end_elevation_m": 740.6740615838683,
 "endpoint_gain_m": 128.54013404211344,
 "overall_gradient_pct": 11.9056717124813,
 "accumulated_ascent_m": 131.72349335297213,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.43219616270426,
   "start_distance_m": 834.0,
   "end_distance_m": 839.0,
   "midpoint_distance_m": 836.5,
   "start_elevation_m": 700.4722265680066,
   "end_elevation_m": 702.1938363761418,
   "start_xy": [
    4304246.896984562,
    2708951.8479641727
   ],
   "end_xy": [
    4304243.869255717,
    2708955.827015619
   ]
  },
  "max_10m": {
   "gradient_pct": 29.144613669213868,
   "start_distance_m": 963.0,
   "end_distance_m": 973.0,
   "midpoint_distance_m": 968.0,
   "start_elevation_m": 715.2554114343981,
   "end_elevation_m": 718.1698728013195,
   "start_xy": [
    4304180.896695986,
    2709014.827947354
   ],
   "end_xy": [
    4304173.516199479,
    2709008.080487328
   ]
  },
  "max_20m": {
   "gradient_pct": 26.68673175643903,
   "start_distance_m": 962.0,
   "end_distance_m": 982.0,
   "midpoint_distance_m": 972.0,
   "start_elevation_m": 715.0067205783571,
   "end_elevation_m": 720.3440669296449,
   "start_xy": [
    4304181.635054834,
    2709015.5023550307
   ],
   "end_xy": [
    4304166.781018303,
    2709002.111614578
   ]
  },
  "max_25m": {
   "gradient_pct": 25.887749083338804,
   "start_distance_m": 959.0,
   "end_distance_m": 984.0,
   "midpoint_distance_m": 971.5,
   "start_elevation_m": 714.3528841912644,
   "end_elevation_m": 720.8248214620991,
   "start_xy": [
    4304183.848757111,
    2709017.527082723
   ],
   "end_xy": [
    4304165.271959298,
    2709000.799082463
   ]
  },
  "max_50m": {
   "gradient_pct": 18.59839603359569,
   "start_distance_m": 1015.0,
   "end_distance_m": 1065.0,
   "midpoint_distance_m": 1040.0,
   "start_elevation_m": 729.9560372414174,
   "end_elevation_m": 739.2552352582153,
   "start_xy": [
    4304141.529297056,
    2708980.8725858536
   ],
   "end_xy": [
    4304101.24493654,
    2708951.500682854
   ]
  },
  "max_100m": {
   "gradient_pct": 16.04901734010207,
   "start_distance_m": 659.0,
   "end_distance_m": 759.0,
   "midpoint_distance_m": 709.0,
   "start_elevation_m": 675.9168038395602,
   "end_elevation_m": 691.9658211796623,
   "start_xy": [
    4304354.851245666,
    2708823.0733969305
   ],
   "end_xy": [
    4304292.283335358,
    2708895.9930084227
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.844045539766739,
   "start_distance_m": 866.0,
   "end_distance_m": 871.0,
   "midpoint_distance_m": 868.5,
   "start_elevation_m": 706.6032928803716,
   "end_elevation_m": 706.3610906033832,
   "start_xy": [
    4304229.474541205,
    2708978.574548003
   ],
   "end_xy": [
    4304227.114544288,
    2708982.982542242
   ]
  },
  "min_10m": {
   "gradient_pct": -2.233328903854499,
   "start_distance_m": 913.0,
   "end_distance_m": 923.0,
   "midpoint_distance_m": 918.0,
   "start_elevation_m": 711.5376747026314,
   "end_elevation_m": 711.314341812246,
   "start_xy": [
    4304222.883078457,
    2709023.5838295086
   ],
   "end_xy": [
    4304214.1012300365,
    2709028.149024569
   ]
  },
  "min_20m": {
   "gradient_pct": 0.2996830712419296,
   "start_distance_m": 911.0,
   "end_distance_m": 931.0,
   "midpoint_distance_m": 921.0,
   "start_elevation_m": 711.2118572167565,
   "end_elevation_m": 711.2717938310049,
   "start_xy": [
    4304222.9635602115,
    2709021.625737261
   ],
   "end_xy": [
    4304206.789940062,
    2709031.3886671863
   ]
  },
  "min_25m": {
   "gradient_pct": 1.5064223765880342,
   "start_distance_m": 443.0,
   "end_distance_m": 468.0,
   "midpoint_distance_m": 455.5,
   "start_elevation_m": 662.1872637941149,
   "end_elevation_m": 662.5638693882619,
   "start_xy": [
    4304466.358660889,
    2708754.4164671823
   ],
   "end_xy": [
    4304484.375489161,
    2708768.6736215563
   ]
  },
  "min_50m": {
   "gradient_pct": 1.8669538072219893,
   "start_distance_m": 421.0,
   "end_distance_m": 471.0,
   "midpoint_distance_m": 446.0,
   "start_elevation_m": 661.7106934235641,
   "end_elevation_m": 662.6441703271751,
   "start_xy": [
    4304444.982022461,
    2708749.2439273344
   ],
   "end_xy": [
    4304485.51107187,
    2708771.4497842994
   ]
  },
  "min_100m": {
   "gradient_pct": 3.845246469366998,
   "start_distance_m": 555.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 605.0,
   "start_elevation_m": 671.6524010489821,
   "end_elevation_m": 675.4976475183491,
   "start_xy": [
    4304457.829335281,
    2708833.8568606307
   ],
   "end_xy": [
    4304358.8033696795,
    2708822.4563776003
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 41.08590282179989,
   "start_distance_m": 837.0,
   "end_distance_m": 839.0,
   "midpoint_distance_m": 838.0,
   "start_elevation_m": 701.3721183197058,
   "end_elevation_m": 702.1938363761418,
   "start_xy": [
    4304245.080106623,
    2708954.235211783
   ],
   "end_xy": [
    4304243.869255717,
    2708955.827015619
   ]
  },
  "max_3m": {
   "gradient_pct": 35.50005067625458,
   "start_distance_m": 836.0,
   "end_distance_m": 839.0,
   "midpoint_distance_m": 837.5,
   "start_elevation_m": 701.1288348558542,
   "end_elevation_m": 702.1938363761418,
   "start_xy": [
    4304245.6859843135,
    2708953.4396542413
   ],
   "end_xy": [
    4304243.869255717,
    2708955.827015619
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.008,
   "windows_resited": [
    2.0,
    3.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.05,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 987.0,
     "end_m": 1012.0,
     "raw_pct": 29.74,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 762.0,
     "end_m": 772.0,
     "raw_pct": 32.59,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 767.0,
     "end_m": 772.0,
     "raw_pct": 41.34,
     "reason": "hump+short-step"
    }
   ],
   "advisory": [],
   "unresolved": [],
   "unstable": [
    {
     "window_m": 20.0,
     "start_m": 994.0,
     "end_m": 1014.0,
     "raw_pct": 30.03,
     "reason": "hump",
     "perturbations": [
      "phase+0.000/mask+0",
      "phase+0.333/mask+1",
      "phase+0.667/mask-1"
     ],
     "perturbation_reasons": [
      "hump",
      "hump",
      ""
     ]
    },
    {
     "window_m": 5.0,
     "start_m": 834.0,
     "end_m": 839.0,
     "raw_pct": 34.43,
     "reason": "hump",
     "perturbations": [
      "phase+0.000/mask+0",
      "phase+0.333/mask+1",
      "phase+0.667/mask-1"
     ],
     "perturbation_reasons": [
      "hump",
      "",
      ""
     ]
    }
   ]
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.318,
   "obstruction_max_height_m": 32.58,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    760.0,
    774.0
   ],
   [
    932.0,
    940.0
   ],
   [
    985.0,
    1014.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "cd1381c557ec0196a6c481fc125290b249b285c2",
   "code_git_dirty": "true",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:faa4beed0662d2f6",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.1",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.4",
   "proj": "9.8.1",
   "run_id": "remeasure-260920-at",
   "road_pbf": "batch-austria-chunk085.pbf",
   "region_key": "austria",
   "crs": "EPSG:3035",
   "elevation_provider_key": "bev-als",
   "tile_index": "cog-grid",
   "authority": "gip",
   "registry_pbf": "austria-2026-09-11.osm.pbf",
   "tile_index_snapshot": "sha256:b8dc649d37698355"
  },
  "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
  ],
  "elevation_crs": "EPSG:3035",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/at/bev-als_dtm_E4304-N2708@20220915.tif",
   "data/cache/at/bev-als_dtm_E4304-N2709@20220915.tif"
  ],
  "calculated_at": "2026-09-21T00:19:11+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/remeasure-260920/at/batch-austria-chunk085.pbf",
  "osm_snapshot": "",
  "run_id": "remeasure-260920-at",
  "elevation_provider": "BEV ALS DTM 1 m",
  "elevation_licence": "Creative Commons Attribution 4.0 (CC BY 4.0) \u2014 \u00a9 BEV / L\u00e4nder, data.gv.at",
  "elevation_dataset": "ALS DTM H\u00f6henraster 1 m (Bundesamt f\u00fcr Eich- und Vermessungswesen with the L\u00e4nder), EPSG:3035",
  "elevation_tile_ids": [
   "E4304-N2708",
   "E4304-N2709"
  ],
  "elevation_blocks": [
   "N2700000E4300000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2700000E4300000": "20220915"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "suppression_unstable": [
   5.0,
   20.0
  ],
  "carriageway": {
   "stations": 50,
   "stations_resolved": 50,
   "width_median_m": 3.5,
   "width_p10_m": 1.5,
   "width_min_m": 1.0,
   "width_max_m": 12.0,
   "bounded_share": 0.52,
   "unbounded_share": 0.48,
   "confidence_median": 0.514,
   "width_median_bounded_m": 3.5,
   "window_m": [
    959.0,
    984.0
   ],
   "width_at_max25_m": 3.75,
   "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": 50,
    "stations_resolved": 50,
    "width_median_m": 4.62,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.86,
    "unbounded_share": 0.14,
    "confidence_median": 1.0,
    "width_median_bounded_m": 4.25,
    "window_m": [
     959.0,
     984.0
    ],
    "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
   }
  },
  "remeasured": {
   "on": "2026-09-21",
   "why": "corpus re-measure 2026-09-21: a mask that exists today reaching a page published before it did; fallers only (Peter: fold the fallers)",
   "published_max25_pct": 26.44,
   "max25_pct": 25.89
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Bregenz",
  "county": "Vorarlberg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}