{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8781, 13.6107)",
 "slug": "discovered-lane-46-8781-13-6107",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 38.12923365788947,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1472.0,
   "end_distance_m": 1474.0,
   "start_elevation_m": 1477.8705910293759,
   "end_elevation_m": 1478.6331757025337,
   "min_gradient_pct": -31.094162107774537,
   "suppressed_max_gradient_pct": 63.47163525922497,
   "suppressed_location_m": [
    1477.0,
    1479.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.1389133489732,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1471.0,
   "end_distance_m": 1474.0,
   "start_elevation_m": 1477.6090083020645,
   "end_elevation_m": 1478.6331757025337,
   "min_gradient_pct": -27.485335836248243,
   "suppressed_max_gradient_pct": 59.703390588947514,
   "suppressed_location_m": [
    1476.0,
    1479.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.44638746810051,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1422.0,
   "end_distance_m": 1427.0,
   "start_elevation_m": 1468.5549554801414,
   "end_elevation_m": 1470.0772748535464,
   "min_gradient_pct": -20.94455138867943,
   "suppressed_max_gradient_pct": 55.17755537232006,
   "suppressed_location_m": [
    1475.0,
    1480.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.075801817227784,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1422.0,
   "end_distance_m": 1432.0,
   "start_elevation_m": 1468.5549554801414,
   "end_elevation_m": 1471.4625356618642,
   "min_gradient_pct": -14.217420473821676,
   "suppressed_max_gradient_pct": 46.551414080768154,
   "suppressed_location_m": [
    1472.0,
    1482.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.812054103507535,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1422.0,
   "end_distance_m": 1442.0,
   "start_elevation_m": 1468.5549554801414,
   "end_elevation_m": 1473.517366300843,
   "min_gradient_pct": -8.653241182861393,
   "suppressed_max_gradient_pct": 34.91126412665835,
   "suppressed_location_m": [
    1471.0,
    1491.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.612895571121044,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1687.0,
   "end_distance_m": 1712.0,
   "start_elevation_m": 1516.9832934371739,
   "end_elevation_m": 1523.1365173299541,
   "min_gradient_pct": -8.981713971728823,
   "suppressed_max_gradient_pct": 31.64853595561908,
   "suppressed_location_m": [
    1471.0,
    1496.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.815070905071025,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1668.0,
   "end_distance_m": 1718.0,
   "start_elevation_m": 1512.5994512030409,
   "end_elevation_m": 1524.5069866555764,
   "min_gradient_pct": -0.5781250543741407,
   "suppressed_max_gradient_pct": 25.666665028612897,
   "suppressed_location_m": [
    1471.0,
    1521.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.83373080834781,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1664.0,
   "end_distance_m": 1764.0,
   "start_elevation_m": 1511.8972054075552,
   "end_elevation_m": 1533.730936215903,
   "min_gradient_pct": 2.483210845698977,
   "suppressed_max_gradient_pct": 22.66697284457382,
   "suppressed_location_m": [
    1687.0,
    1787.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.333,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 364.0,
  "shape_class": "sustained"
 },
 "length_m": 3011.8676670635127,
 "start_elevation_m": 1303.788972676981,
 "end_elevation_m": 1662.1905404539725,
 "endpoint_gain_m": 358.40156777699144,
 "overall_gradient_pct": 11.899645249899807,
 "accumulated_ascent_m": 365.6575765996656,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.44638746810051,
   "start_distance_m": 1422.0,
   "end_distance_m": 1427.0,
   "midpoint_distance_m": 1424.5,
   "start_elevation_m": 1468.5549554801414,
   "end_elevation_m": 1470.0772748535464,
   "start_xy": [
    4596322.87400711,
    2647258.3470589505
   ],
   "end_xy": [
    4596326.491082555,
    2647254.9052516017
   ]
  },
  "max_10m": {
   "gradient_pct": 29.075801817227784,
   "start_distance_m": 1422.0,
   "end_distance_m": 1432.0,
   "midpoint_distance_m": 1427.0,
   "start_elevation_m": 1468.5549554801414,
   "end_elevation_m": 1471.4625356618642,
   "start_xy": [
    4596322.87400711,
    2647258.3470589505
   ],
   "end_xy": [
    4596330.199479171,
    2647251.551479022
   ]
  },
  "max_20m": {
   "gradient_pct": 24.812054103507535,
   "start_distance_m": 1422.0,
   "end_distance_m": 1442.0,
   "midpoint_distance_m": 1432.0,
   "start_elevation_m": 1468.5549554801414,
   "end_elevation_m": 1473.517366300843,
   "start_xy": [
    4596322.87400711,
    2647258.3470589505
   ],
   "end_xy": [
    4596337.616170078,
    2647244.84382059
   ]
  },
  "max_25m": {
   "gradient_pct": 24.612895571121044,
   "start_distance_m": 1687.0,
   "end_distance_m": 1712.0,
   "midpoint_distance_m": 1699.5,
   "start_elevation_m": 1516.9832934371739,
   "end_elevation_m": 1523.1365173299541,
   "start_xy": [
    4596441.284194227,
    2647377.607116864
   ],
   "end_xy": [
    4596448.72825783,
    2647353.741365548
   ]
  },
  "max_50m": {
   "gradient_pct": 23.815070905071025,
   "start_distance_m": 1668.0,
   "end_distance_m": 1718.0,
   "midpoint_distance_m": 1693.0,
   "start_elevation_m": 1512.5994512030409,
   "end_elevation_m": 1524.5069866555764,
   "start_xy": [
    4596435.729962853,
    2647395.7771588718
   ],
   "end_xy": [
    4596450.5341845965,
    2647348.019597658
   ]
  },
  "max_100m": {
   "gradient_pct": 21.83373080834781,
   "start_distance_m": 1664.0,
   "end_distance_m": 1764.0,
   "midpoint_distance_m": 1714.0,
   "start_elevation_m": 1511.8972054075552,
   "end_elevation_m": 1533.730936215903,
   "start_xy": [
    4596434.56036375,
    2647399.6023433376
   ],
   "end_xy": [
    4596467.711598359,
    2647305.450365556
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -20.94455138867943,
   "start_distance_m": 2085.0,
   "end_distance_m": 2090.0,
   "midpoint_distance_m": 2087.5,
   "start_elevation_m": 1577.7854602770255,
   "end_elevation_m": 1576.7382327075916,
   "start_xy": [
    4596718.422267579,
    2647412.3861263474
   ],
   "end_xy": [
    4596720.763151444,
    2647416.7636236395
   ]
  },
  "min_10m": {
   "gradient_pct": -14.217420473821676,
   "start_distance_m": 2609.0,
   "end_distance_m": 2619.0,
   "midpoint_distance_m": 2614.0,
   "start_elevation_m": 1627.4016637089965,
   "end_elevation_m": 1625.9799216616143,
   "start_xy": [
    4597115.96655621,
    2647591.892983673
   ],
   "end_xy": [
    4597114.61655709,
    2647601.8014397305
   ]
  },
  "min_20m": {
   "gradient_pct": -8.653241182861393,
   "start_distance_m": 2595.0,
   "end_distance_m": 2615.0,
   "midpoint_distance_m": 2605.0,
   "start_elevation_m": 1628.1883713700197,
   "end_elevation_m": 1626.4577231334474,
   "start_xy": [
    4597117.802273243,
    2647578.01529646
   ],
   "end_xy": [
    4597115.156546369,
    2647597.8380559157
   ]
  },
  "min_25m": {
   "gradient_pct": -8.981713971728823,
   "start_distance_m": 2594.0,
   "end_distance_m": 2619.0,
   "midpoint_distance_m": 2606.5,
   "start_elevation_m": 1628.2253501545465,
   "end_elevation_m": 1625.9799216616143,
   "start_xy": [
    4597117.7143568285,
    2647577.0200602394
   ],
   "end_xy": [
    4597114.61655709,
    2647601.8014397305
   ]
  },
  "min_50m": {
   "gradient_pct": -0.5781250543741407,
   "start_distance_m": 2569.0,
   "end_distance_m": 2619.0,
   "midpoint_distance_m": 2594.0,
   "start_elevation_m": 1626.2689841888014,
   "end_elevation_m": 1625.9799216616143,
   "start_xy": [
    4597112.046253903,
    2647552.671578421
   ],
   "end_xy": [
    4597114.61655709,
    2647601.8014397305
   ]
  },
  "min_100m": {
   "gradient_pct": 2.483210845698977,
   "start_distance_m": 2519.0,
   "end_distance_m": 2619.0,
   "midpoint_distance_m": 2569.0,
   "start_elevation_m": 1623.4967108159153,
   "end_elevation_m": 1625.9799216616143,
   "start_xy": [
    4597072.6328393305,
    2647533.296294654
   ],
   "end_xy": [
    4597114.61655709,
    2647601.8014397305
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 38.12923365788947,
   "start_distance_m": 1472.0,
   "end_distance_m": 1474.0,
   "midpoint_distance_m": 1473.0,
   "start_elevation_m": 1477.8705910293759,
   "end_elevation_m": 1478.6331757025337,
   "start_xy": [
    4596358.146783212,
    2647231.7375477864
   ],
   "end_xy": [
    4596358.687727746,
    2647233.663003022
   ]
  },
  "max_3m": {
   "gradient_pct": 34.1389133489732,
   "start_distance_m": 1471.0,
   "end_distance_m": 1474.0,
   "midpoint_distance_m": 1472.5,
   "start_elevation_m": 1477.6090083020645,
   "end_elevation_m": 1478.6331757025337,
   "start_xy": [
    4596357.875400576,
    2647230.775076303
   ],
   "end_xy": [
    4596358.687727746,
    2647233.663003022
   ]
  }
 },
 "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": 0.002,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "placement_suppression": {
   "masked_fraction": 0.013,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.024,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 10.0,
     "start_m": 1777.0,
     "end_m": 1787.0,
     "raw_pct": 37.2,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 2080.0,
     "end_m": 2085.0,
     "raw_pct": 42.96,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 2286.0,
     "end_m": 2291.0,
     "raw_pct": 30.86,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.112,
   "obstruction_max_height_m": 15.58,
   "flagged_windows_m": [
    5,
    10,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    1475.0,
    1481.0
   ],
   [
    1775.0,
    1789.0
   ],
   [
    2078.0,
    2087.0
   ],
   [
    2284.0,
    2293.0
   ],
   [
    2420.0,
    2450.0
   ]
  ],
  "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_E4596-N2646.tif",
   "data/cache/at/bev-als_dtm_E4596-N2647.tif",
   "data/cache/at/bev-als_dtm_E4597-N2647.tif"
  ],
  "calculated_at": "2026-09-15T21:40:35+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": [
   "E4596-N2646",
   "E4596-N2647",
   "E4597-N2647"
  ],
  "elevation_blocks": [
   "N2600000E4550000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2600000E4550000": "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": "Krems in K\u00e4rnten",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}