{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8938, 14.2681)",
 "slug": "discovered-lane-46-8938-14-2681",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 48.87877124560873,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 68.0,
   "end_distance_m": 70.0,
   "start_elevation_m": 724.8188662309944,
   "end_elevation_m": 725.7964416559066,
   "min_gradient_pct": -26.54757991664951
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 45.09459043587185,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 67.0,
   "end_distance_m": 70.0,
   "start_elevation_m": 724.4436039428305,
   "end_elevation_m": 725.7964416559066,
   "min_gradient_pct": -21.067458750587775
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 37.653477718372415,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 578.0,
   "end_distance_m": 583.0,
   "start_elevation_m": 826.4691580954066,
   "end_elevation_m": 828.3518319813252,
   "min_gradient_pct": -20.070752645472112
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 35.930615811560074,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 575.0,
   "end_distance_m": 585.0,
   "start_elevation_m": 825.4092915536736,
   "end_elevation_m": 829.0023531348296,
   "min_gradient_pct": -16.458665034231217
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 30.87367000108941,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 565.0,
   "end_distance_m": 585.0,
   "start_elevation_m": 822.8276191346117,
   "end_elevation_m": 829.0023531348296,
   "min_gradient_pct": -11.950860796088705
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 29.63280332948807,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 560.0,
   "end_distance_m": 585.0,
   "start_elevation_m": 821.5941523024576,
   "end_elevation_m": 829.0023531348296,
   "min_gradient_pct": -8.47082594655194
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 27.532755827438223,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 535.0,
   "end_distance_m": 585.0,
   "start_elevation_m": 815.2359752211105,
   "end_elevation_m": 829.0023531348296,
   "min_gradient_pct": -3.7469395272071324
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 24.283211453445574,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 506.0,
   "end_distance_m": 606.0,
   "start_elevation_m": 809.093500229342,
   "end_elevation_m": 833.3767116827876,
   "min_gradient_pct": 4.881660829154498
  }
 ],
 "shape": {
  "ascent_concentration": 0.321,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 188.0,
  "shape_class": "sustained"
 },
 "length_m": 808.1729417030323,
 "start_elevation_m": 719.3207128124891,
 "end_elevation_m": 849.8469460494523,
 "endpoint_gain_m": 130.5262332369632,
 "overall_gradient_pct": 16.150779926126976,
 "accumulated_ascent_m": 134.14781503895904,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 37.653477718372415,
   "start_distance_m": 578.0,
   "end_distance_m": 583.0,
   "midpoint_distance_m": 580.5,
   "start_elevation_m": 826.4691580954066,
   "end_elevation_m": 828.3518319813252,
   "start_xy": [
    4646264.252721933,
    2651462.839798293
   ],
   "end_xy": [
    4646267.530991959,
    2651466.6151056485
   ]
  },
  "max_10m": {
   "gradient_pct": 35.930615811560074,
   "start_distance_m": 575.0,
   "end_distance_m": 585.0,
   "midpoint_distance_m": 580.0,
   "start_elevation_m": 825.4092915536736,
   "end_elevation_m": 829.0023531348296,
   "start_xy": [
    4646262.2857599165,
    2651460.57461388
   ],
   "end_xy": [
    4646268.842299971,
    2651468.125228591
   ]
  },
  "max_20m": {
   "gradient_pct": 30.87367000108941,
   "start_distance_m": 565.0,
   "end_distance_m": 585.0,
   "midpoint_distance_m": 575.0,
   "start_elevation_m": 822.8276191346117,
   "end_elevation_m": 829.0023531348296,
   "start_xy": [
    4646256.98040753,
    2651452.240134147
   ],
   "end_xy": [
    4646268.842299971,
    2651468.125228591
   ]
  },
  "max_25m": {
   "gradient_pct": 29.63280332948807,
   "start_distance_m": 560.0,
   "end_distance_m": 585.0,
   "midpoint_distance_m": 572.5,
   "start_elevation_m": 821.5941523024576,
   "end_elevation_m": 829.0023531348296,
   "start_xy": [
    4646255.013524765,
    2651447.6432469185
   ],
   "end_xy": [
    4646268.842299971,
    2651468.125228591
   ]
  },
  "max_50m": {
   "gradient_pct": 27.532755827438223,
   "start_distance_m": 535.0,
   "end_distance_m": 585.0,
   "midpoint_distance_m": 560.0,
   "start_elevation_m": 815.2359752211105,
   "end_elevation_m": 829.0023531348296,
   "start_xy": [
    4646245.1791109415,
    2651424.658810777
   ],
   "end_xy": [
    4646268.842299971,
    2651468.125228591
   ]
  },
  "max_100m": {
   "gradient_pct": 24.283211453445574,
   "start_distance_m": 506.0,
   "end_distance_m": 606.0,
   "midpoint_distance_m": 556.0,
   "start_elevation_m": 809.093500229342,
   "end_elevation_m": 833.3767116827876,
   "start_xy": [
    4646233.771190905,
    2651397.9968648534
   ],
   "end_xy": [
    4646282.611034085,
    2651483.9815194835
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -20.070752645472112,
   "start_distance_m": 803.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 805.5,
   "start_elevation_m": 850.8924642743818,
   "end_elevation_m": 849.8889266421082,
   "start_xy": [
    4646342.940228268,
    2651668.97414959
   ],
   "end_xy": [
    4646343.724860861,
    2651673.912200996
   ]
  },
  "min_10m": {
   "gradient_pct": -16.458665034231217,
   "start_distance_m": 798.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 803.0,
   "start_elevation_m": 851.5347931455314,
   "end_elevation_m": 849.8889266421082,
   "start_xy": [
    4646342.155595673,
    2651664.036098183
   ],
   "end_xy": [
    4646343.724860861,
    2651673.912200996
   ]
  },
  "min_20m": {
   "gradient_pct": -11.950860796088705,
   "start_distance_m": 788.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 798.0,
   "start_elevation_m": 852.279098801326,
   "end_elevation_m": 849.8889266421082,
   "start_xy": [
    4646340.5863304855,
    2651654.1599953705
   ],
   "end_xy": [
    4646343.724860861,
    2651673.912200996
   ]
  },
  "min_25m": {
   "gradient_pct": -8.47082594655194,
   "start_distance_m": 783.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 795.5,
   "start_elevation_m": 852.0066331287462,
   "end_elevation_m": 849.8889266421082,
   "start_xy": [
    4646339.801697892,
    2651649.221943964
   ],
   "end_xy": [
    4646343.724860861,
    2651673.912200996
   ]
  },
  "min_50m": {
   "gradient_pct": -3.7469395272071324,
   "start_distance_m": 758.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 783.0,
   "start_elevation_m": 851.7623964057118,
   "end_elevation_m": 849.8889266421082,
   "start_xy": [
    4646335.012860601,
    2651624.7536768448
   ],
   "end_xy": [
    4646343.724860861,
    2651673.912200996
   ]
  },
  "min_100m": {
   "gradient_pct": 4.881660829154498,
   "start_distance_m": 708.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 758.0,
   "start_elevation_m": 845.0072658129537,
   "end_elevation_m": 849.8889266421082,
   "start_xy": [
    4646318.127707581,
    2651577.691041905
   ],
   "end_xy": [
    4646343.724860861,
    2651673.912200996
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 48.87877124560873,
   "start_distance_m": 68.0,
   "end_distance_m": 70.0,
   "midpoint_distance_m": 69.0,
   "start_elevation_m": 724.8188662309944,
   "end_elevation_m": 725.7964416559066,
   "start_xy": [
    4646238.254432844,
    2651000.3329551606
   ],
   "end_xy": [
    4646238.370168934,
    2651002.329603642
   ]
  },
  "max_3m": {
   "gradient_pct": 45.09459043587185,
   "start_distance_m": 67.0,
   "end_distance_m": 70.0,
   "midpoint_distance_m": 68.5,
   "start_elevation_m": 724.4436039428305,
   "end_elevation_m": 725.7964416559066,
   "start_xy": [
    4646238.196564799,
    2650999.33463092
   ],
   "end_xy": [
    4646238.370168934,
    2651002.329603642
   ]
  }
 },
 "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": {
  "placement_suppression": {
   "masked_fraction": 0.038,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.325,
   "obstruction_max_height_m": 28.44,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    770.0,
    800.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_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_E4646-N2650.tif",
   "data/cache/at/bev-als_dtm_E4646-N2651.tif"
  ],
  "calculated_at": "2026-09-11T15:57:23+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-run2-260911",
  "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": [
   "E4646-N2650",
   "E4646-N2651"
  ],
  "elevation_blocks": [
   "N2650000E4600000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Gurk",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}