{
 "ocl_version": "0.1.0",
 "name": "Grubertalstra\u00dfe",
 "slug": "grubertalstrasse",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 47.296226673893216,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 173.0,
   "end_distance_m": 175.0,
   "start_elevation_m": 829.2599218916271,
   "end_elevation_m": 830.2058464251049,
   "min_gradient_pct": -121.11728938110105
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 44.32635996821167,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 172.0,
   "end_distance_m": 175.0,
   "start_elevation_m": 828.8760556260586,
   "end_elevation_m": 830.2058464251049,
   "min_gradient_pct": -82.77265706826711
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 40.05216934647024,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 171.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 828.5542742755118,
   "end_elevation_m": 830.5568827428353,
   "min_gradient_pct": -49.82134569092295
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 37.00299175395912,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 166.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 826.8565835674394,
   "end_elevation_m": 830.5568827428353,
   "min_gradient_pct": -25.56220424854928
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 35.269755252349455,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 156.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 823.5029316923655,
   "end_elevation_m": 830.5568827428353,
   "min_gradient_pct": -13.182239232302777
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 34.74786215531003,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 151.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 821.8699172040078,
   "end_elevation_m": 830.5568827428353,
   "min_gradient_pct": -10.836192795750321
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 32.07801247516295,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 127.0,
   "end_distance_m": 177.0,
   "start_elevation_m": 814.7855283732745,
   "end_elevation_m": 830.824534610856,
   "min_gradient_pct": -5.5912820091336926
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 27.42183369298607,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 128.0,
   "end_distance_m": 228.0,
   "start_elevation_m": 815.0347134552362,
   "end_elevation_m": 842.4565471482223,
   "min_gradient_pct": -3.0343598010041433
  }
 ],
 "shape": {
  "ascent_concentration": 0.499,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 346.0,
  "shape_class": "stepped"
 },
 "length_m": 1450.7485924706014,
 "start_elevation_m": 803.2406809033364,
 "end_elevation_m": 947.9262221802675,
 "endpoint_gain_m": 144.68554127693108,
 "overall_gradient_pct": 9.973164339283207,
 "accumulated_ascent_m": 153.58911602790772,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 40.05216934647024,
   "start_distance_m": 171.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 173.5,
   "start_elevation_m": 828.5542742755118,
   "end_elevation_m": 830.5568827428353,
   "start_xy": [
    4439724.320612604,
    2685844.431484856
   ],
   "end_xy": [
    4439724.296298597,
    2685839.4315439737
   ]
  },
  "max_10m": {
   "gradient_pct": 37.00299175395912,
   "start_distance_m": 166.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 171.0,
   "start_elevation_m": 826.8565835674394,
   "end_elevation_m": 830.5568827428353,
   "start_xy": [
    4439724.344926611,
    2685849.431425739
   ],
   "end_xy": [
    4439724.296298597,
    2685839.4315439737
   ]
  },
  "max_20m": {
   "gradient_pct": 35.269755252349455,
   "start_distance_m": 156.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 166.0,
   "start_elevation_m": 823.5029316923655,
   "end_elevation_m": 830.5568827428353,
   "start_xy": [
    4439724.393554624,
    2685859.431307504
   ],
   "end_xy": [
    4439724.296298597,
    2685839.4315439737
   ]
  },
  "max_25m": {
   "gradient_pct": 34.74786215531003,
   "start_distance_m": 151.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 163.5,
   "start_elevation_m": 821.8699172040078,
   "end_elevation_m": 830.5568827428353,
   "start_xy": [
    4439724.417868631,
    2685864.4312483864
   ],
   "end_xy": [
    4439724.296298597,
    2685839.4315439737
   ]
  },
  "max_50m": {
   "gradient_pct": 32.07801247516295,
   "start_distance_m": 127.0,
   "end_distance_m": 177.0,
   "midpoint_distance_m": 152.0,
   "start_elevation_m": 814.7855283732745,
   "end_elevation_m": 830.824534610856,
   "start_xy": [
    4439726.670633286,
    2685888.204264184
   ],
   "end_xy": [
    4439724.291435796,
    2685838.4315557973
   ]
  },
  "max_100m": {
   "gradient_pct": 27.42183369298607,
   "start_distance_m": 128.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 178.0,
   "start_elevation_m": 815.0347134552362,
   "end_elevation_m": 842.4565471482223,
   "start_xy": [
    4439726.379798895,
    2685887.2475136286
   ],
   "end_xy": [
    4439728.5018571485,
    2685787.6595261386
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -49.82134569092295,
   "start_distance_m": 1445.0,
   "end_distance_m": 1450.0,
   "midpoint_distance_m": 1447.5,
   "start_elevation_m": 951.4676127544271,
   "end_elevation_m": 948.976545469881,
   "start_xy": [
    4439780.77982706,
    2684873.524484573
   ],
   "end_xy": [
    4439781.319935123,
    2684868.6021073726
   ]
  },
  "min_10m": {
   "gradient_pct": -25.56220424854928,
   "start_distance_m": 1440.0,
   "end_distance_m": 1450.0,
   "midpoint_distance_m": 1445.0,
   "start_elevation_m": 951.5327658947359,
   "end_elevation_m": 948.976545469881,
   "start_xy": [
    4439778.999708973,
    2684878.165849946
   ],
   "end_xy": [
    4439781.319935123,
    2684868.6021073726
   ]
  },
  "min_20m": {
   "gradient_pct": -13.182239232302777,
   "start_distance_m": 1430.0,
   "end_distance_m": 1450.0,
   "midpoint_distance_m": 1440.0,
   "start_elevation_m": 951.6129933163415,
   "end_elevation_m": 948.976545469881,
   "start_xy": [
    4439773.981453423,
    2684886.814918878
   ],
   "end_xy": [
    4439781.319935123,
    2684868.6021073726
   ]
  },
  "min_25m": {
   "gradient_pct": -10.836192795750321,
   "start_distance_m": 1425.0,
   "end_distance_m": 1450.0,
   "midpoint_distance_m": 1437.5,
   "start_elevation_m": 951.6855936688186,
   "end_elevation_m": 948.976545469881,
   "start_xy": [
    4439771.600625101,
    2684891.2061197353
   ],
   "end_xy": [
    4439781.319935123,
    2684868.6021073726
   ]
  },
  "min_50m": {
   "gradient_pct": -5.5912820091336926,
   "start_distance_m": 690.0,
   "end_distance_m": 740.0,
   "midpoint_distance_m": 715.0,
   "start_elevation_m": 907.8988984238782,
   "end_elevation_m": 905.1032574193114,
   "start_xy": [
    4439866.889020666,
    2685452.377143849
   ],
   "end_xy": [
    4439830.584013692,
    2685418.283712635
   ]
  },
  "min_100m": {
   "gradient_pct": -3.0343598010041433,
   "start_distance_m": 689.0,
   "end_distance_m": 789.0,
   "midpoint_distance_m": 739.0,
   "start_elevation_m": 907.8992851931607,
   "end_elevation_m": 904.8649253921566,
   "start_xy": [
    4439867.399722364,
    2685453.235848312
   ],
   "end_xy": [
    4439801.138019242,
    2685380.7001024755
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 47.296226673893216,
   "start_distance_m": 173.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 174.0,
   "start_elevation_m": 829.2599218916271,
   "end_elevation_m": 830.2058464251049,
   "start_xy": [
    4439724.310887001,
    2685842.4315085034
   ],
   "end_xy": [
    4439724.301161398,
    2685840.43153215
   ]
  },
  "max_3m": {
   "gradient_pct": 44.32635996821167,
   "start_distance_m": 172.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 173.5,
   "start_elevation_m": 828.8760556260586,
   "end_elevation_m": 830.2058464251049,
   "start_xy": [
    4439724.315749803,
    2685843.43149668
   ],
   "end_xy": [
    4439724.301161398,
    2685840.43153215
   ]
  }
 },
 "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": 0.003,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.151,
   "obstruction_max_height_m": 19.28,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    1446.0,
    1450.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "descends_at_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "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_E4439-N2684.tif",
   "data/cache/at/bev-als_dtm_E4439-N2685.tif"
  ],
  "calculated_at": "2026-09-12T18:28:03+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11-batch.osm.pbf",
  "osm_snapshot": "",
  "run_id": "at-run3-260912",
  "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": [
   "E4439-N2684",
   "E4439-N2685"
  ],
  "elevation_blocks": [
   "N2650000E4400000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Volders",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}