{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7618, 13.1122)",
 "slug": "discovered-lane-46-7618-13-1122",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 53.49135514608179,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1705.0,
   "end_distance_m": 1707.0,
   "start_elevation_m": 1316.896140492372,
   "end_elevation_m": 1317.9659675952937,
   "min_gradient_pct": -20.550973710442122
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 52.45141798084205,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1704.0,
   "end_distance_m": 1707.0,
   "start_elevation_m": 1316.3924250558684,
   "end_elevation_m": 1317.9659675952937,
   "min_gradient_pct": -17.821916113712177
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 49.870633209579864,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1703.0,
   "end_distance_m": 1708.0,
   "start_elevation_m": 1315.933262226644,
   "end_elevation_m": 1318.426793887123,
   "min_gradient_pct": -13.697938601258102
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 41.744859185291716,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1699.0,
   "end_distance_m": 1709.0,
   "start_elevation_m": 1314.5760813870652,
   "end_elevation_m": 1318.7505673055944,
   "min_gradient_pct": -7.095346282135324
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 36.94099112723279,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1702.0,
   "end_distance_m": 1722.0,
   "start_elevation_m": 1315.473560270053,
   "end_elevation_m": 1322.8617584954995,
   "min_gradient_pct": -0.31089232623799035
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 35.93631771789296,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1701.0,
   "end_distance_m": 1726.0,
   "start_elevation_m": 1315.0950805737903,
   "end_elevation_m": 1324.0791600032635,
   "min_gradient_pct": -0.005245058900072763,
   "lateral_min_pct": 32.38,
   "lateral_max_pct": 39.06
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 31.453422656994007,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1680.0,
   "end_distance_m": 1730.0,
   "start_elevation_m": 1309.7123377333778,
   "end_elevation_m": 1325.4390490618748,
   "min_gradient_pct": 1.964338055728149
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 28.94625854729361,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1633.0,
   "end_distance_m": 1733.0,
   "start_elevation_m": 1297.2378018598542,
   "end_elevation_m": 1326.1840604071479,
   "min_gradient_pct": 3.766246726829195
  }
 ],
 "shape": {
  "ascent_concentration": 0.403,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 243.0,
  "shape_class": "sustained"
 },
 "length_m": 1878.6470825331978,
 "start_elevation_m": 1139.2629552989538,
 "end_elevation_m": 1355.7669568140127,
 "endpoint_gain_m": 216.50400151505892,
 "overall_gradient_pct": 11.524463723283324,
 "accumulated_ascent_m": 218.22972902723313,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 49.870633209579864,
   "start_distance_m": 1703.0,
   "end_distance_m": 1708.0,
   "midpoint_distance_m": 1705.5,
   "start_elevation_m": 1315.933262226644,
   "end_elevation_m": 1318.426793887123,
   "start_xy": [
    4558878.383291654,
    2632647.9740921706
   ],
   "end_xy": [
    4558877.22859781,
    2632652.838933599
   ]
  },
  "max_10m": {
   "gradient_pct": 41.744859185291716,
   "start_distance_m": 1699.0,
   "end_distance_m": 1709.0,
   "midpoint_distance_m": 1704.0,
   "start_elevation_m": 1314.5760813870652,
   "end_elevation_m": 1318.7505673055944,
   "start_xy": [
    4558879.30704673,
    2632644.0822190274
   ],
   "end_xy": [
    4558876.997659041,
    2632653.8119018846
   ]
  },
  "max_20m": {
   "gradient_pct": 36.94099112723279,
   "start_distance_m": 1702.0,
   "end_distance_m": 1722.0,
   "midpoint_distance_m": 1712.0,
   "start_elevation_m": 1315.473560270053,
   "end_elevation_m": 1322.8617584954995,
   "start_xy": [
    4558878.614230423,
    2632647.0011238847
   ],
   "end_xy": [
    4558866.936311536,
    2632661.155256459
   ]
  },
  "max_25m": {
   "gradient_pct": 35.93631771789296,
   "start_distance_m": 1701.0,
   "end_distance_m": 1726.0,
   "midpoint_distance_m": 1713.5,
   "start_elevation_m": 1315.0950805737903,
   "end_elevation_m": 1324.0791600032635,
   "start_xy": [
    4558878.845169192,
    2632646.028155599
   ],
   "end_xy": [
    4558863.454876655,
    2632663.1249293163
   ]
  },
  "max_50m": {
   "gradient_pct": 31.453422656994007,
   "start_distance_m": 1680.0,
   "end_distance_m": 1730.0,
   "midpoint_distance_m": 1705.0,
   "start_elevation_m": 1309.7123377333778,
   "end_elevation_m": 1325.4390490618748,
   "start_xy": [
    4558881.383464131,
    2632625.225185312
   ],
   "end_xy": [
    4558859.963842245,
    2632665.074038436
   ]
  },
  "max_100m": {
   "gradient_pct": 28.94625854729361,
   "start_distance_m": 1633.0,
   "end_distance_m": 1733.0,
   "midpoint_distance_m": 1683.0,
   "start_elevation_m": 1297.2378018598542,
   "end_elevation_m": 1326.1840604071479,
   "start_xy": [
    4558884.519697835,
    2632584.6293129036
   ],
   "end_xy": [
    4558857.154714181,
    2632666.1270339345
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.697938601258102,
   "start_distance_m": 1866.0,
   "end_distance_m": 1871.0,
   "midpoint_distance_m": 1868.5,
   "start_elevation_m": 1355.4943805707376,
   "end_elevation_m": 1354.8094836406747,
   "start_xy": [
    4558734.758814345,
    2632716.6231687968
   ],
   "end_xy": [
    4558730.082938832,
    2632716.4411418657
   ]
  },
  "min_10m": {
   "gradient_pct": -7.095346282135324,
   "start_distance_m": 1862.0,
   "end_distance_m": 1872.0,
   "midpoint_distance_m": 1867.0,
   "start_elevation_m": 1355.5369643173108,
   "end_elevation_m": 1354.8274296890972,
   "start_xy": [
    4558738.519545016,
    2632715.2604858475
   ],
   "end_xy": [
    4558729.152134333,
    2632716.0756244473
   ]
  },
  "min_20m": {
   "gradient_pct": -0.31089232623799035,
   "start_distance_m": 16.0,
   "end_distance_m": 36.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 1140.4117632854804,
   "end_elevation_m": 1140.3495848202328,
   "start_xy": [
    4559751.168340923,
    2632179.8523809207
   ],
   "end_xy": [
    4559731.177517078,
    2632179.2466070717
   ]
  },
  "min_25m": {
   "gradient_pct": -0.005245058900072763,
   "start_distance_m": 13.0,
   "end_distance_m": 38.0,
   "midpoint_distance_m": 25.5,
   "start_elevation_m": 1140.3646124269958,
   "end_elevation_m": 1140.3633011622708,
   "start_xy": [
    4559754.1669645,
    2632179.943246998
   ],
   "end_xy": [
    4559729.178434693,
    2632179.1860296866
   ]
  },
  "min_50m": {
   "gradient_pct": 1.964338055728149,
   "start_distance_m": 12.0,
   "end_distance_m": 62.0,
   "midpoint_distance_m": 37.0,
   "start_elevation_m": 1140.3410827886044,
   "end_elevation_m": 1141.3232518164684,
   "start_xy": [
    4559755.1665056925,
    2632179.9735356905
   ],
   "end_xy": [
    4559705.189446078,
    2632178.459101068
   ]
  },
  "min_100m": {
   "gradient_pct": 3.766246726829195,
   "start_distance_m": 10.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 60.0,
   "start_elevation_m": 1140.2441982017274,
   "end_elevation_m": 1144.0104449285566,
   "start_xy": [
    4559757.165588077,
    2632180.034113075
   ],
   "end_xy": [
    4559657.212961816,
    2632179.493067221
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 53.49135514608179,
   "start_distance_m": 1705.0,
   "end_distance_m": 1707.0,
   "midpoint_distance_m": 1706.0,
   "start_elevation_m": 1316.896140492372,
   "end_elevation_m": 1317.9659675952937,
   "start_xy": [
    4558877.921414116,
    2632649.920028742
   ],
   "end_xy": [
    4558877.4595365785,
    2632651.8659653133
   ]
  },
  "max_3m": {
   "gradient_pct": 52.45141798084205,
   "start_distance_m": 1704.0,
   "end_distance_m": 1707.0,
   "midpoint_distance_m": 1705.5,
   "start_elevation_m": 1316.3924250558684,
   "end_elevation_m": 1317.9659675952937,
   "start_xy": [
    4558878.152352885,
    2632648.947060456
   ],
   "end_xy": [
    4558877.4595365785,
    2632651.8659653133
   ]
  }
 },
 "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": 0.148,
   "obstruction_max_height_m": 19.3,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [
   "max5_over_45",
   "max10_over_40",
   "short_window_divergence"
  ],
  "extent": [
   "may_continue_beyond_end"
  ],
  "lateral_stability": {
   "offsets_m": [
    -1.0,
    -0.5,
    0.0,
    0.5,
    1.0
   ],
   "windows": [
    {
     "window_m": 25,
     "min_pct": 32.38,
     "max_pct": 39.06
    },
    {
     "window_m": 10,
     "min_pct": 40.15,
     "max_pct": 46.64
    },
    {
     "window_m": 5,
     "min_pct": 47.63,
     "max_pct": 50.46
    }
   ]
  }
 },
 "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_E4558-N2632.tif",
   "data/cache/at/bev-als_dtm_E4559-N2632.tif"
  ],
  "calculated_at": "2026-09-12T23:58:57+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": [
   "E4558-N2632",
   "E4559-N2632"
  ],
  "elevation_blocks": [
   "N2600000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Berg im Drautal",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}