{
 "ocl_version": "0.1.0",
 "name": "Walchau",
 "slug": "walchau",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.35929914073381,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 213.0,
   "end_distance_m": 215.0,
   "start_elevation_m": 819.7656353877836,
   "end_elevation_m": 820.4128213705983,
   "min_gradient_pct": -8.852125249620713
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.62996309065026,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 213.0,
   "end_distance_m": 216.0,
   "start_elevation_m": 819.7656353877836,
   "end_elevation_m": 820.5945342805031,
   "min_gradient_pct": -7.03215338899857
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.844072928980495,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 207.0,
   "end_distance_m": 212.0,
   "start_elevation_m": 818.3790268273644,
   "end_elevation_m": 819.6712304738135,
   "min_gradient_pct": -3.310334941209021
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.806610374585034,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 207.0,
   "end_distance_m": 217.0,
   "start_elevation_m": 818.3790268273644,
   "end_elevation_m": 820.859687864823,
   "min_gradient_pct": -0.5518216546056465
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.06568478244992,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 208.0,
   "end_distance_m": 228.0,
   "start_elevation_m": 818.5967366685204,
   "end_elevation_m": 823.4098736250104,
   "min_gradient_pct": 1.1954647790344097
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.39905521237415,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 205.0,
   "end_distance_m": 230.0,
   "start_elevation_m": 817.950015471504,
   "end_elevation_m": 823.7997792745975,
   "min_gradient_pct": 2.8001237941407453
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.25019097956647,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 195.0,
   "end_distance_m": 245.0,
   "start_elevation_m": 816.2369290950064,
   "end_elevation_m": 826.3620245847897,
   "min_gradient_pct": 5.434092513499081
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.535950047833353,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 181.0,
   "end_distance_m": 281.0,
   "start_elevation_m": 813.9718752249179,
   "end_elevation_m": 829.5078252727512,
   "min_gradient_pct": 9.186343127446662,
   "suppressed_max_gradient_pct": 16.764086956972278,
   "suppressed_location_m": [
    142.0,
    242.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.338,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 94.0,
  "shape_class": "sustained"
 },
 "length_m": 421.3655947500752,
 "start_elevation_m": 791.0318758807308,
 "end_elevation_m": 842.6846141473192,
 "endpoint_gain_m": 51.65273826658836,
 "overall_gradient_pct": 12.258413812173053,
 "accumulated_ascent_m": 52.08149773797618,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.844072928980495,
   "start_distance_m": 207.0,
   "end_distance_m": 212.0,
   "midpoint_distance_m": 209.5,
   "start_elevation_m": 818.3790268273644,
   "end_elevation_m": 819.6712304738135,
   "start_xy": [
    4513613.413152714,
    2710078.078295199
   ],
   "end_xy": [
    4513608.805087667,
    2710080.0188457696
   ]
  },
  "max_10m": {
   "gradient_pct": 24.806610374585034,
   "start_distance_m": 207.0,
   "end_distance_m": 217.0,
   "midpoint_distance_m": 212.0,
   "start_elevation_m": 818.3790268273644,
   "end_elevation_m": 820.859687864823,
   "start_xy": [
    4513613.413152714,
    2710078.078295199
   ],
   "end_xy": [
    4513604.211021633,
    2710081.9921163
   ]
  },
  "max_20m": {
   "gradient_pct": 24.06568478244992,
   "start_distance_m": 208.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 218.0,
   "start_elevation_m": 818.5967366685204,
   "end_elevation_m": 823.4098736250104,
   "start_xy": [
    4513612.491539705,
    2710078.466405313
   ],
   "end_xy": [
    4513594.122573255,
    2710086.37654435
   ]
  },
  "max_25m": {
   "gradient_pct": 23.39905521237415,
   "start_distance_m": 205.0,
   "end_distance_m": 230.0,
   "midpoint_distance_m": 217.5,
   "start_elevation_m": 817.950015471504,
   "end_elevation_m": 823.7997792745975,
   "start_xy": [
    4513615.256378734,
    2710077.3020749707
   ],
   "end_xy": [
    4513592.447927387,
    2710087.437988272
   ]
  },
  "max_50m": {
   "gradient_pct": 20.25019097956647,
   "start_distance_m": 195.0,
   "end_distance_m": 245.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 816.2369290950064,
   "end_elevation_m": 826.3620245847897,
   "start_xy": [
    4513624.472508829,
    2710073.4209738295
   ],
   "end_xy": [
    4513583.46922607,
    2710098.427402756
   ]
  },
  "max_100m": {
   "gradient_pct": 15.535950047833353,
   "start_distance_m": 181.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 231.0,
   "start_elevation_m": 813.9718752249179,
   "end_elevation_m": 829.5078252727512,
   "start_xy": [
    4513637.822830228,
    2710069.2272425485
   ],
   "end_xy": [
    4513616.805691867,
    2710094.603799676
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.310334941209021,
   "start_distance_m": 394.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 396.5,
   "start_elevation_m": 841.0941988316266,
   "end_elevation_m": 840.9286820845662,
   "start_xy": [
    4513719.550226621,
    2710130.5697337873
   ],
   "end_xy": [
    4513723.602456806,
    2710133.374281942
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5518216546056465,
   "start_distance_m": 389.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 394.0,
   "start_elevation_m": 840.9838642500267,
   "end_elevation_m": 840.9286820845662,
   "start_xy": [
    4513715.299567833,
    2710127.9368836475
   ],
   "end_xy": [
    4513723.602456806,
    2710133.374281942
   ]
  },
  "min_20m": {
   "gradient_pct": 1.1954647790344097,
   "start_distance_m": 379.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 389.0,
   "start_elevation_m": 840.6895891287593,
   "end_elevation_m": 840.9286820845662,
   "start_xy": [
    4513706.798250254,
    2710122.6711833677
   ],
   "end_xy": [
    4513723.602456806,
    2710133.374281942
   ]
  },
  "min_25m": {
   "gradient_pct": 2.8001237941407453,
   "start_distance_m": 374.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 386.5,
   "start_elevation_m": 840.228651136031,
   "end_elevation_m": 840.9286820845662,
   "start_xy": [
    4513702.255849152,
    2710120.6733822566
   ],
   "end_xy": [
    4513723.602456806,
    2710133.374281942
   ]
  },
  "min_50m": {
   "gradient_pct": 5.434092513499081,
   "start_distance_m": 371.0,
   "end_distance_m": 421.0,
   "midpoint_distance_m": 396.0,
   "start_elevation_m": 839.9592995778509,
   "end_elevation_m": 842.6763458346004,
   "start_xy": [
    4513699.395869302,
    2710119.767559287
   ],
   "end_xy": [
    4513732.135249874,
    2710153.649144259
   ]
  },
  "min_100m": {
   "gradient_pct": 9.186343127446662,
   "start_distance_m": 321.0,
   "end_distance_m": 421.0,
   "midpoint_distance_m": 371.0,
   "start_elevation_m": 833.4900027071537,
   "end_elevation_m": 842.6763458346004,
   "start_xy": [
    4513654.065128858,
    2710107.1761827874
   ],
   "end_xy": [
    4513732.135249874,
    2710153.649144259
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.35929914073381,
   "start_distance_m": 213.0,
   "end_distance_m": 215.0,
   "midpoint_distance_m": 214.0,
   "start_elevation_m": 819.7656353877836,
   "end_elevation_m": 820.4128213705983,
   "start_xy": [
    4513607.883474657,
    2710080.406955884
   ],
   "end_xy": [
    4513606.045284974,
    2710081.1949475636
   ]
  },
  "max_3m": {
   "gradient_pct": 27.62996309065026,
   "start_distance_m": 213.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 214.5,
   "start_elevation_m": 819.7656353877836,
   "end_elevation_m": 820.5945342805031,
   "start_xy": [
    4513607.883474657,
    2710080.406955884
   ],
   "end_xy": [
    4513605.128153304,
    2710081.5935319318
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.097,
   "windows_resited": [
    100.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.203,
   "obstruction_max_height_m": 32.1,
   "flagged_windows_m": [
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    140.0,
    180.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier",
   "may_continue_beyond_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_E4513-N2709.tif",
   "data/cache/at/bev-als_dtm_E4513-N2710.tif"
  ],
  "calculated_at": "2026-09-13T00:11:46+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-at-run4-260912.osm.pbf",
  "osm_snapshot": "",
  "run_id": "at-run4-260912",
  "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": [
   "E4513-N2709",
   "E4513-N2710"
  ],
  "elevation_blocks": [
   "N2700000E4500000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Fieberbrunn",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}