{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8900, 14.8757)",
 "slug": "discovered-lane-46-8900-14-8757",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.384695205309754,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 989.0,
   "end_distance_m": 991.0,
   "start_elevation_m": 658.8013659458937,
   "end_elevation_m": 659.4290598499999,
   "min_gradient_pct": -13.964158308152719
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.933465520192232,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1759.0,
   "end_distance_m": 1762.0,
   "start_elevation_m": 733.6092959663031,
   "end_elevation_m": 734.5072999319088,
   "min_gradient_pct": -12.56755546238916
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.110744083869122,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1758.0,
   "end_distance_m": 1763.0,
   "start_elevation_m": 733.4016137361649,
   "end_elevation_m": 734.7071509403584,
   "min_gradient_pct": -9.363594925807774
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.42626888094719,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1756.0,
   "end_distance_m": 1766.0,
   "start_elevation_m": 732.9796747637922,
   "end_elevation_m": 735.2223016518869,
   "min_gradient_pct": -1.8745198241492744
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.691565099071,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 981.0,
   "end_distance_m": 1001.0,
   "start_elevation_m": 657.4458415561112,
   "end_elevation_m": 661.1841545759254,
   "min_gradient_pct": -1.2407999001248982
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.03266447408305,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 975.0,
   "end_distance_m": 1000.0,
   "start_elevation_m": 656.5566341583316,
   "end_elevation_m": 661.0648002768523,
   "min_gradient_pct": -1.0873740865708896
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.086410830850582,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 60.0,
   "end_distance_m": 110.0,
   "start_elevation_m": 543.8139997625643,
   "end_elevation_m": 551.8572051779896,
   "min_gradient_pct": -0.4484109031350272
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.540622452455182,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 662.0,
   "end_distance_m": 762.0,
   "start_elevation_m": 615.1480191573385,
   "end_elevation_m": 630.6886416097936,
   "min_gradient_pct": 1.5272134873215464
  }
 ],
 "shape": {
  "ascent_concentration": 0.318,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 238.0,
  "shape_class": "sustained"
 },
 "length_m": 2062.519081976945,
 "start_elevation_m": 540.1873500888787,
 "end_elevation_m": 754.8056046805251,
 "endpoint_gain_m": 214.6182545916464,
 "overall_gradient_pct": 10.405637284380063,
 "accumulated_ascent_m": 215.94797118464112,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.110744083869122,
   "start_distance_m": 1758.0,
   "end_distance_m": 1763.0,
   "midpoint_distance_m": 1760.5,
   "start_elevation_m": 733.4016137361649,
   "end_elevation_m": 734.7071509403584,
   "start_xy": [
    4692490.49357839,
    2653844.209318266
   ],
   "end_xy": [
    4692494.849364308,
    2653846.6643394562
   ]
  },
  "max_10m": {
   "gradient_pct": 22.42626888094719,
   "start_distance_m": 1756.0,
   "end_distance_m": 1766.0,
   "midpoint_distance_m": 1761.0,
   "start_elevation_m": 732.9796747637922,
   "end_elevation_m": 735.2223016518869,
   "start_xy": [
    4692488.751264024,
    2653843.22730979
   ],
   "end_xy": [
    4692497.462835858,
    2653848.1373521704
   ]
  },
  "max_20m": {
   "gradient_pct": 18.691565099071,
   "start_distance_m": 981.0,
   "end_distance_m": 1001.0,
   "midpoint_distance_m": 991.0,
   "start_elevation_m": 657.4458415561112,
   "end_elevation_m": 661.1841545759254,
   "start_xy": [
    4692446.936379118,
    2654370.9740600614
   ],
   "end_xy": [
    4692445.358346753,
    2654351.679296276
   ]
  },
  "max_25m": {
   "gradient_pct": 18.03266447408305,
   "start_distance_m": 975.0,
   "end_distance_m": 1000.0,
   "midpoint_distance_m": 987.5,
   "start_elevation_m": 656.5566341583316,
   "end_elevation_m": 661.0648002768523,
   "start_xy": [
    4692445.891543541,
    2654376.8823862723
   ],
   "end_xy": [
    4692445.684892007,
    2654352.624477844
   ]
  },
  "max_50m": {
   "gradient_pct": 16.086410830850582,
   "start_distance_m": 60.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 85.0,
   "start_elevation_m": 543.8139997625643,
   "end_elevation_m": 551.8572051779896,
   "start_xy": [
    4692212.4912562445,
    2654559.7561583607
   ],
   "end_xy": [
    4692208.830034753,
    2654609.62066364
   ]
  },
  "max_100m": {
   "gradient_pct": 15.540622452455182,
   "start_distance_m": 662.0,
   "end_distance_m": 762.0,
   "midpoint_distance_m": 712.0,
   "start_elevation_m": 615.1480191573385,
   "end_elevation_m": 630.6886416097936,
   "start_xy": [
    4692350.9590448225,
    2654405.9349552765
   ],
   "end_xy": [
    4692387.7490844345,
    2654497.389640972
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.363594925807774,
   "start_distance_m": 1751.0,
   "end_distance_m": 1756.0,
   "midpoint_distance_m": 1753.5,
   "start_elevation_m": 733.4478545100826,
   "end_elevation_m": 732.9796747637922,
   "start_xy": [
    4692486.3030427825,
    2653838.9070120733
   ],
   "end_xy": [
    4692488.751264024,
    2653843.22730979
   ]
  },
  "min_10m": {
   "gradient_pct": -1.8745198241492744,
   "start_distance_m": 1842.0,
   "end_distance_m": 1852.0,
   "midpoint_distance_m": 1847.0,
   "start_elevation_m": 739.4484878109736,
   "end_elevation_m": 739.2610358285586,
   "start_xy": [
    4692548.356723728,
    2653901.6537912595
   ],
   "end_xy": [
    4692556.977843754,
    2653906.720968925
   ]
  },
  "min_20m": {
   "gradient_pct": -1.2407999001248982,
   "start_distance_m": 1833.0,
   "end_distance_m": 1853.0,
   "midpoint_distance_m": 1843.0,
   "start_elevation_m": 739.4970216765092,
   "end_elevation_m": 739.2488616964843,
   "start_xy": [
    4692540.597715705,
    2653897.0933313603
   ],
   "end_xy": [
    4692557.839955757,
    2653907.2276866916
   ]
  },
  "min_25m": {
   "gradient_pct": -1.0873740865708896,
   "start_distance_m": 1836.0,
   "end_distance_m": 1861.0,
   "midpoint_distance_m": 1848.5,
   "start_elevation_m": 739.4911326291278,
   "end_elevation_m": 739.2192891074851,
   "start_xy": [
    4692543.184051712,
    2653898.61348466
   ],
   "end_xy": [
    4692564.736851778,
    2653911.2814288237
   ]
  },
  "min_50m": {
   "gradient_pct": -0.4484109031350272,
   "start_distance_m": 1828.0,
   "end_distance_m": 1878.0,
   "midpoint_distance_m": 1853.0,
   "start_elevation_m": 739.5186901084326,
   "end_elevation_m": 739.294484656865,
   "start_xy": [
    4692537.425219471,
    2653893.4235292072
   ],
   "end_xy": [
    4692579.392755822,
    2653919.895630855
   ]
  },
  "min_100m": {
   "gradient_pct": 1.5272134873215464,
   "start_distance_m": 1802.0,
   "end_distance_m": 1902.0,
   "midpoint_distance_m": 1852.0,
   "start_elevation_m": 738.4630430504156,
   "end_elevation_m": 739.9902565377372,
   "start_xy": [
    4692523.968463799,
    2653871.1925603333
   ],
   "end_xy": [
    4692600.047073413,
    2653932.118501801
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.384695205309754,
   "start_distance_m": 989.0,
   "end_distance_m": 991.0,
   "midpoint_distance_m": 990.0,
   "start_elevation_m": 658.8013659458937,
   "end_elevation_m": 659.4290598499999,
   "start_xy": [
    4692448.329493221,
    2654363.0962917795
   ],
   "end_xy": [
    4692448.623799296,
    2654361.131111958
   ]
  },
  "max_3m": {
   "gradient_pct": 29.933465520192232,
   "start_distance_m": 1759.0,
   "end_distance_m": 1762.0,
   "midpoint_distance_m": 1760.5,
   "start_elevation_m": 733.6092959663031,
   "end_elevation_m": 734.5072999319088,
   "start_xy": [
    4692491.3647355735,
    2653844.700322504
   ],
   "end_xy": [
    4692493.978207124,
    2653846.1733352183
   ]
  }
 },
 "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": 0.498,
   "obstruction_max_height_m": 32.14,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    100
   ]
  },
  "review": [],
  "extent": []
 },
 "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_E4692-N2653.tif",
   "data/cache/at/bev-als_dtm_E4692-N2654.tif"
  ],
  "calculated_at": "2026-09-11T07:23:03+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-run1-260911",
  "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": [
   "E4692-N2653",
   "E4692-N2654"
  ],
  "elevation_blocks": [
   "N2650000E4650000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Frantschach-Sankt Gertraud",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}