{
 "ocl_version": "0.1.0",
 "name": "Sp\u00e4tenbach",
 "slug": "spaetenbach-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.00459887410716,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 419.0,
   "end_distance_m": 421.0,
   "start_elevation_m": 836.0722243589391,
   "end_elevation_m": 836.7123163364213,
   "min_gradient_pct": -4.515654266987212
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.22144526792181,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 419.0,
   "end_distance_m": 422.0,
   "start_elevation_m": 836.0722243589391,
   "end_elevation_m": 836.9488677169768,
   "min_gradient_pct": -4.002075718695626
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.784735811477276,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 121.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 793.823857958724,
   "end_elevation_m": 795.1630947492979,
   "min_gradient_pct": -2.5564809399543265
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.23419170895977,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 116.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 792.6396755784019,
   "end_elevation_m": 795.1630947492979,
   "min_gradient_pct": -2.029194241162031
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.79653037883486,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 111.0,
   "end_distance_m": 131.0,
   "start_elevation_m": 791.5087160485552,
   "end_elevation_m": 796.2680221243222,
   "min_gradient_pct": -1.328294347356973
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.472306691526228,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 110.0,
   "end_distance_m": 135.0,
   "start_elevation_m": 791.2771107913003,
   "end_elevation_m": 797.1451874641818,
   "min_gradient_pct": -0.8419684701052574
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.34859156747848,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 81.0,
   "end_distance_m": 131.0,
   "start_elevation_m": 785.093726340583,
   "end_elevation_m": 796.2680221243222,
   "min_gradient_pct": -0.15816020084457705
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.22260277968894,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 56.0,
   "end_distance_m": 156.0,
   "start_elevation_m": 780.1349632947096,
   "end_elevation_m": 801.3575660743985,
   "min_gradient_pct": 0.6285989404578913
  }
 ],
 "shape": {
  "ascent_concentration": 0.376,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 237.0,
  "shape_class": "sustained"
 },
 "length_m": 646.3789796654353,
 "start_elevation_m": 773.1507714462891,
 "end_elevation_m": 850.4415740234369,
 "endpoint_gain_m": 77.29080257714782,
 "overall_gradient_pct": 11.957505582429894,
 "accumulated_ascent_m": 78.00673885935169,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.784735811477276,
   "start_distance_m": 121.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 123.5,
   "start_elevation_m": 793.823857958724,
   "end_elevation_m": 795.1630947492979,
   "start_xy": [
    4303573.176353314,
    2695758.021547003
   ],
   "end_xy": [
    4303569.5054341415,
    2695754.6267933403
   ]
  },
  "max_10m": {
   "gradient_pct": 25.23419170895977,
   "start_distance_m": 116.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 121.0,
   "start_elevation_m": 792.6396755784019,
   "end_elevation_m": 795.1630947492979,
   "start_xy": [
    4303576.847272486,
    2695761.4163006656
   ],
   "end_xy": [
    4303569.5054341415,
    2695754.6267933403
   ]
  },
  "max_20m": {
   "gradient_pct": 23.79653037883486,
   "start_distance_m": 111.0,
   "end_distance_m": 131.0,
   "midpoint_distance_m": 121.0,
   "start_elevation_m": 791.5087160485552,
   "end_elevation_m": 796.2680221243222,
   "start_xy": [
    4303580.518191659,
    2695764.8110543285
   ],
   "end_xy": [
    4303566.627866762,
    2695750.6907122177
   ]
  },
  "max_25m": {
   "gradient_pct": 23.472306691526228,
   "start_distance_m": 110.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 122.5,
   "start_elevation_m": 791.2771107913003,
   "end_elevation_m": 797.1451874641818,
   "start_xy": [
    4303581.252375494,
    2695765.4900050606
   ],
   "end_xy": [
    4303565.169954896,
    2695746.9658641685
   ]
  },
  "max_50m": {
   "gradient_pct": 22.34859156747848,
   "start_distance_m": 81.0,
   "end_distance_m": 131.0,
   "midpoint_distance_m": 106.0,
   "start_elevation_m": 785.093726340583,
   "end_elevation_m": 796.2680221243222,
   "start_xy": [
    4303595.71180518,
    2695790.120077684
   ],
   "end_xy": [
    4303566.627866762,
    2695750.6907122177
   ]
  },
  "max_100m": {
   "gradient_pct": 21.22260277968894,
   "start_distance_m": 56.0,
   "end_distance_m": 156.0,
   "midpoint_distance_m": 106.0,
   "start_elevation_m": 780.1349632947096,
   "end_elevation_m": 801.3575660743985,
   "start_xy": [
    4303597.9693080615,
    2695814.914343617
   ],
   "end_xy": [
    4303566.365184136,
    2695726.837598403
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.5564809399543265,
   "start_distance_m": 607.0,
   "end_distance_m": 612.0,
   "midpoint_distance_m": 609.5,
   "start_elevation_m": 849.5373227735008,
   "end_elevation_m": 849.4094987265031,
   "start_xy": [
    4303645.757184021,
    2695463.6902765795
   ],
   "end_xy": [
    4303641.774706023,
    2695460.6670549545
   ]
  },
  "min_10m": {
   "gradient_pct": -2.029194241162031,
   "start_distance_m": 602.0,
   "end_distance_m": 612.0,
   "midpoint_distance_m": 607.0,
   "start_elevation_m": 849.6124181506193,
   "end_elevation_m": 849.4094987265031,
   "start_xy": [
    4303649.73966202,
    2695466.7134982045
   ],
   "end_xy": [
    4303641.774706023,
    2695460.6670549545
   ]
  },
  "min_20m": {
   "gradient_pct": -1.328294347356973,
   "start_distance_m": 593.0,
   "end_distance_m": 613.0,
   "midpoint_distance_m": 603.0,
   "start_elevation_m": 849.6611031396649,
   "end_elevation_m": 849.3954442701935,
   "start_xy": [
    4303656.908122416,
    2695472.15529713
   ],
   "end_xy": [
    4303640.978210423,
    2695460.0624106294
   ]
  },
  "min_25m": {
   "gradient_pct": -0.8419684701052574,
   "start_distance_m": 588.0,
   "end_distance_m": 613.0,
   "midpoint_distance_m": 600.5,
   "start_elevation_m": 849.6059363877198,
   "end_elevation_m": 849.3954442701935,
   "start_xy": [
    4303660.890600414,
    2695475.178518755
   ],
   "end_xy": [
    4303640.978210423,
    2695460.0624106294
   ]
  },
  "min_50m": {
   "gradient_pct": -0.15816020084457705,
   "start_distance_m": 563.0,
   "end_distance_m": 613.0,
   "midpoint_distance_m": 588.0,
   "start_elevation_m": 849.4745243706158,
   "end_elevation_m": 849.3954442701935,
   "start_xy": [
    4303684.004017458,
    2695484.2087127944
   ],
   "end_xy": [
    4303640.978210423,
    2695460.0624106294
   ]
  },
  "min_100m": {
   "gradient_pct": 0.6285989404578913,
   "start_distance_m": 519.0,
   "end_distance_m": 619.0,
   "midpoint_distance_m": 569.0,
   "start_elevation_m": 848.9010453259091,
   "end_elevation_m": 849.529644266367,
   "start_xy": [
    4303726.228822495,
    2695496.4083814863
   ],
   "end_xy": [
    4303636.199236826,
    2695456.4345446792
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.00459887410716,
   "start_distance_m": 419.0,
   "end_distance_m": 421.0,
   "midpoint_distance_m": 420.0,
   "start_elevation_m": 836.0722243589391,
   "end_elevation_m": 836.7123163364213,
   "start_xy": [
    4303760.044822667,
    2695566.098956112
   ],
   "end_xy": [
    4303761.551582827,
    2695564.7837854694
   ]
  },
  "max_3m": {
   "gradient_pct": 29.22144526792181,
   "start_distance_m": 419.0,
   "end_distance_m": 422.0,
   "midpoint_distance_m": 420.5,
   "start_elevation_m": 836.0722243589391,
   "end_elevation_m": 836.9488677169768,
   "start_xy": [
    4303760.044822667,
    2695566.098956112
   ],
   "end_xy": [
    4303762.304962908,
    2695564.1262001484
   ]
  }
 },
 "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": 0.597,
   "obstruction_max_height_m": 42.89,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_E4303-N2695.tif"
  ],
  "calculated_at": "2026-09-11T15:51:16+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-run2-260911",
  "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": [
   "E4303-N2695"
  ],
  "elevation_blocks": [
   "N2650000E4300000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Dornbirn",
  "county": "Vorarlberg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}