{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7678, 12.4189)",
 "slug": "discovered-lane-46-7678-12-4189",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 45.74691575759289,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 124.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 1448.2473827580693,
   "end_elevation_m": 1449.1623210732212,
   "min_gradient_pct": -11.743477967627314
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 41.017695057651814,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 123.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 1447.9317902214916,
   "end_elevation_m": 1449.1623210732212,
   "min_gradient_pct": -9.639491681923573
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.55516427407474,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 160.0,
   "end_distance_m": 165.0,
   "start_elevation_m": 1456.0709530623442,
   "end_elevation_m": 1457.798711276048,
   "min_gradient_pct": -4.716040744624479,
   "suppressed_max_gradient_pct": 38.01263275488054,
   "suppressed_location_m": [
    184.0,
    189.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 33.02425374039558,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 158.0,
   "end_distance_m": 168.0,
   "start_elevation_m": 1455.4532450471727,
   "end_elevation_m": 1458.7556704212122,
   "min_gradient_pct": 3.310023881217603,
   "suppressed_max_gradient_pct": 37.381543525802954,
   "suppressed_location_m": [
    179.0,
    189.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 31.294959141324625,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 149.0,
   "end_distance_m": 169.0,
   "start_elevation_m": 1452.803634881887,
   "end_elevation_m": 1459.062626710152,
   "min_gradient_pct": 5.06591726721922,
   "suppressed_max_gradient_pct": 32.022178416955285,
   "suppressed_location_m": [
    173.0,
    193.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 30.96380938592756,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 302.0,
   "end_distance_m": 327.0,
   "start_elevation_m": 1486.5653617893502,
   "end_elevation_m": 1494.306314135832,
   "min_gradient_pct": 5.696342271873618,
   "suppressed_max_gradient_pct": 31.2516293265453,
   "suppressed_location_m": [
    164.0,
    189.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 27.52246887769843,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded"
   ],
   "start_distance_m": 286.0,
   "end_distance_m": 336.0,
   "start_elevation_m": 1482.877926895377,
   "end_elevation_m": 1496.6391613342262,
   "min_gradient_pct": 8.165921538355633,
   "suppressed_max_gradient_pct": 30.193220915523398,
   "suppressed_location_m": [
    143.0,
    193.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 25.414210040476974,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 278.0,
   "end_distance_m": 378.0,
   "start_elevation_m": 1481.245372448902,
   "end_elevation_m": 1506.6595824893789,
   "min_gradient_pct": 9.946005997050634
  }
 ],
 "shape": {
  "ascent_concentration": 0.336,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 253.0,
  "shape_class": "sustained"
 },
 "length_m": 382.6849684304888,
 "start_elevation_m": 1434.6563914180922,
 "end_elevation_m": 1507.4967795801983,
 "endpoint_gain_m": 72.84038816210614,
 "overall_gradient_pct": 19.03403430263996,
 "accumulated_ascent_m": 73.2916310724238,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.55516427407474,
   "start_distance_m": 160.0,
   "end_distance_m": 165.0,
   "midpoint_distance_m": 162.5,
   "start_elevation_m": 1456.0709530623442,
   "end_elevation_m": 1457.798711276048,
   "start_xy": [
    4506006.035564514,
    2631100.185870973
   ],
   "end_xy": [
    4506003.215167469,
    2631104.300069715
   ]
  },
  "max_10m": {
   "gradient_pct": 33.02425374039558,
   "start_distance_m": 158.0,
   "end_distance_m": 168.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 1455.4532450471727,
   "end_elevation_m": 1458.7556704212122,
   "start_xy": [
    4506006.93039166,
    2631098.3972166805
   ],
   "end_xy": [
    4506001.424294338,
    2631106.7068876736
   ]
  },
  "max_20m": {
   "gradient_pct": 31.294959141324625,
   "start_distance_m": 149.0,
   "end_distance_m": 169.0,
   "midpoint_distance_m": 159.0,
   "start_elevation_m": 1452.803634881887,
   "end_elevation_m": 1459.062626710152,
   "start_xy": [
    4506010.347777542,
    2631090.164932424
   ],
   "end_xy": [
    4506000.827178785,
    2631107.5090429056
   ]
  },
  "max_25m": {
   "gradient_pct": 30.96380938592756,
   "start_distance_m": 302.0,
   "end_distance_m": 327.0,
   "midpoint_distance_m": 314.5,
   "start_elevation_m": 1486.5653617893502,
   "end_elevation_m": 1494.306314135832,
   "start_xy": [
    4505956.405170478,
    2631230.6988467965
   ],
   "end_xy": [
    4505948.499884678,
    2631254.2689023684
   ]
  },
  "max_50m": {
   "gradient_pct": 27.52246887769843,
   "start_distance_m": 286.0,
   "end_distance_m": 336.0,
   "midpoint_distance_m": 311.0,
   "start_elevation_m": 1482.877926895377,
   "end_elevation_m": 1496.6391613342262,
   "start_xy": [
    4505966.0832403805,
    2631218.057196951
   ],
   "end_xy": [
    4505942.175215587,
    2631260.2867599726
   ]
  },
  "max_100m": {
   "gradient_pct": 25.414210040476974,
   "start_distance_m": 278.0,
   "end_distance_m": 378.0,
   "midpoint_distance_m": 328.0,
   "start_elevation_m": 1481.245372448902,
   "end_elevation_m": 1506.6595824893789,
   "start_xy": [
    4505969.0466664955,
    2631210.626339154
   ],
   "end_xy": [
    4505908.5266755,
    2631281.018238509
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.716040744624479,
   "start_distance_m": 127.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 129.5,
   "start_elevation_m": 1449.3086790916911,
   "end_elevation_m": 1449.07287705446,
   "start_xy": [
    4506010.178052797,
    2631068.2031424823
   ],
   "end_xy": [
    4506010.481043185,
    2631073.1939531444
   ]
  },
  "min_10m": {
   "gradient_pct": 3.310023881217603,
   "start_distance_m": 91.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 96.0,
   "start_elevation_m": 1444.7015978264842,
   "end_elevation_m": 1445.032600214606,
   "start_xy": [
    4506015.145818278,
    2631035.0485027414
   ],
   "end_xy": [
    4506014.56639608,
    2631042.730544651
   ]
  },
  "min_20m": {
   "gradient_pct": 5.06591726721922,
   "start_distance_m": 42.0,
   "end_distance_m": 62.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 1440.430423685845,
   "end_elevation_m": 1441.4436071392888,
   "start_xy": [
    4506038.454824351,
    2631074.609030362
   ],
   "end_xy": [
    4506031.790128445,
    2631058.6742991908
   ]
  },
  "min_25m": {
   "gradient_pct": 5.696342271873618,
   "start_distance_m": 42.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 1440.430423685845,
   "end_elevation_m": 1441.8545092538134,
   "start_xy": [
    4506038.454824351,
    2631074.609030362
   ],
   "end_xy": [
    4506028.55310737,
    2631054.8635654026
   ]
  },
  "min_50m": {
   "gradient_pct": 8.165921538355633,
   "start_distance_m": 46.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 71.0,
   "start_elevation_m": 1440.5620249573492,
   "end_elevation_m": 1444.644985726527,
   "start_xy": [
    4506036.721660138,
    2631073.6304077827
   ],
   "end_xy": [
    4506014.502447448,
    2631037.730954024
   ]
  },
  "min_100m": {
   "gradient_pct": 9.946005997050634,
   "start_distance_m": 35.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 1439.4962772345552,
   "end_elevation_m": 1449.4422832316059,
   "start_xy": [
    4506040.231173139,
    2631068.1503393874
   ],
   "end_xy": [
    4506010.662105245,
    2631076.1884839116
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 45.74691575759289,
   "start_distance_m": 124.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 1448.2473827580693,
   "end_elevation_m": 1449.1623210732212,
   "start_xy": [
    4506010.459951943,
    2631065.2386611598
   ],
   "end_xy": [
    4506010.122141439,
    2631067.205099826
   ]
  },
  "max_3m": {
   "gradient_pct": 41.017695057651814,
   "start_distance_m": 123.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 124.5,
   "start_elevation_m": 1447.9317902214916,
   "end_elevation_m": 1449.1623210732212,
   "start_xy": [
    4506010.693996061,
    2631064.2664351836
   ],
   "end_xy": [
    4506010.122141439,
    2631067.205099826
   ]
  }
 },
 "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": 0.081,
   "windows_resited": [
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.104,
   "obstruction_max_height_m": 26.34,
   "flagged_windows_m": [
    5
   ]
  },
  "excluded_ranges_m": [
   [
    170.0,
    200.0
   ]
  ],
  "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_E4505-N2631.tif",
   "data/cache/at/bev-als_dtm_E4506-N2631.tif"
  ],
  "calculated_at": "2026-09-15T21:38:45+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf",
  "osm_snapshot": "2026-09-10T20:21:06Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "E4505-N2631",
   "E4506-N2631"
  ],
  "elevation_blocks": [
   "N2600000E4500000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2600000E4500000": "20220915"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Au\u00dfervillgraten",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}