{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.2088, 13.1639)",
 "slug": "discovered-lane-47-2088-13-1639",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.46200892914203,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 514.0,
   "end_distance_m": 516.0,
   "start_elevation_m": 1337.451838208025,
   "end_elevation_m": 1337.9010783866079,
   "min_gradient_pct": -6.816082014256608
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.248339651120357,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 514.0,
   "end_distance_m": 517.0,
   "start_elevation_m": 1337.451838208025,
   "end_elevation_m": 1338.1192883975586,
   "min_gradient_pct": -6.620432956136331
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.91250014572688,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 512.0,
   "end_distance_m": 517.0,
   "start_elevation_m": 1337.0236633902723,
   "end_elevation_m": 1338.1192883975586,
   "min_gradient_pct": -6.250028944486985
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.40059987895029,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 49.0,
   "end_distance_m": 59.0,
   "start_elevation_m": 1288.1960637484408,
   "end_elevation_m": 1290.3361237363358,
   "min_gradient_pct": -5.32688602221242
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.909976614497054,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "start_elevation_m": 1280.3065725773104,
   "end_elevation_m": 1284.4885679002098,
   "min_gradient_pct": -2.1550855336181485
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.777276399453513,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 52.0,
   "end_distance_m": 77.0,
   "start_elevation_m": 1288.822857648191,
   "end_elevation_m": 1294.0171767480545,
   "min_gradient_pct": -0.883245686220107
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.156403449203935,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 43.0,
   "end_distance_m": 93.0,
   "start_elevation_m": 1286.984832639982,
   "end_elevation_m": 1297.063034364584,
   "min_gradient_pct": 3.8629575477543767
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.351440574761,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8.0,
   "end_distance_m": 108.0,
   "start_elevation_m": 1280.1308785453136,
   "end_elevation_m": 1299.4823191200746,
   "min_gradient_pct": 4.956380900438489
  }
 ],
 "shape": {
  "ascent_concentration": 0.386,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 199.0,
  "shape_class": "sustained"
 },
 "length_m": 571.174421466442,
 "start_elevation_m": 1279.190308796409,
 "end_elevation_m": 1343.7645337130339,
 "endpoint_gain_m": 64.57422491662487,
 "overall_gradient_pct": 11.305517629944983,
 "accumulated_ascent_m": 65.51939237014221,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.91250014572688,
   "start_distance_m": 512.0,
   "end_distance_m": 517.0,
   "midpoint_distance_m": 514.5,
   "start_elevation_m": 1337.0236633902723,
   "end_elevation_m": 1338.1192883975586,
   "start_xy": [
    4560744.266811742,
    2682001.365976379
   ],
   "end_xy": [
    4560741.364659291,
    2681997.2944273925
   ]
  },
  "max_10m": {
   "gradient_pct": 21.40059987895029,
   "start_distance_m": 49.0,
   "end_distance_m": 59.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 1288.1960637484408,
   "end_elevation_m": 1290.3361237363358,
   "start_xy": [
    4560824.3749074275,
    2682392.2244116897
   ],
   "end_xy": [
    4560816.737414993,
    2682385.7692812253
   ]
  },
  "max_20m": {
   "gradient_pct": 20.909976614497054,
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 1280.3065725773104,
   "end_elevation_m": 1284.4885679002098,
   "start_xy": [
    4560858.205370681,
    2682412.7820382104
   ],
   "end_xy": [
    4560839.92550139,
    2682404.699840112
   ]
  },
  "max_25m": {
   "gradient_pct": 20.777276399453513,
   "start_distance_m": 52.0,
   "end_distance_m": 77.0,
   "midpoint_distance_m": 64.5,
   "start_elevation_m": 1288.822857648191,
   "end_elevation_m": 1294.0171767480545,
   "start_xy": [
    4560822.083659697,
    2682390.28787255
   ],
   "end_xy": [
    4560802.050050947,
    2682375.4106477736
   ]
  },
  "max_50m": {
   "gradient_pct": 20.156403449203935,
   "start_distance_m": 43.0,
   "end_distance_m": 93.0,
   "midpoint_distance_m": 68.0,
   "start_elevation_m": 1286.984832639982,
   "end_elevation_m": 1297.063034364584,
   "start_xy": [
    4560828.957402889,
    2682396.097489968
   ],
   "end_xy": [
    4560797.165152318,
    2682363.663432827
   ]
  },
  "max_100m": {
   "gradient_pct": 19.351440574761,
   "start_distance_m": 8.0,
   "end_distance_m": 108.0,
   "midpoint_distance_m": 58.0,
   "start_elevation_m": 1280.1308785453136,
   "end_elevation_m": 1299.4823191200746,
   "start_xy": [
    4560859.158996161,
    2682413.083033965
   ],
   "end_xy": [
    4560809.603979798,
    2682355.738683497
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.250028944486985,
   "start_distance_m": 203.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 205.5,
   "start_elevation_m": 1311.1263396573706,
   "end_elevation_m": 1310.8138382101463,
   "start_xy": [
    4560796.120298344,
    2682282.904301116
   ],
   "end_xy": [
    4560796.157389588,
    2682277.9044386935
   ]
  },
  "min_10m": {
   "gradient_pct": -5.32688602221242,
   "start_distance_m": 200.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 205.0,
   "start_elevation_m": 1311.2609480376157,
   "end_elevation_m": 1310.7282594353944,
   "start_xy": [
    4560796.098043597,
    2682285.904218569
   ],
   "end_xy": [
    4560796.172226085,
    2682275.904493725
   ]
  },
  "min_20m": {
   "gradient_pct": -2.1550855336181485,
   "start_distance_m": 197.0,
   "end_distance_m": 217.0,
   "midpoint_distance_m": 207.0,
   "start_elevation_m": 1311.2469727748974,
   "end_elevation_m": 1310.8159556681737,
   "start_xy": [
    4560796.075788851,
    2682288.904136022
   ],
   "end_xy": [
    4560796.04718404,
    2682268.908619722
   ]
  },
  "min_25m": {
   "gradient_pct": -0.883245686220107,
   "start_distance_m": 197.0,
   "end_distance_m": 222.0,
   "midpoint_distance_m": 209.5,
   "start_elevation_m": 1311.2469727748974,
   "end_elevation_m": 1311.0261613533423,
   "start_xy": [
    4560796.075788851,
    2682288.904136022
   ],
   "end_xy": [
    4560795.787982033,
    2682263.91534281
   ]
  },
  "min_50m": {
   "gradient_pct": 3.8629575477543767,
   "start_distance_m": 193.0,
   "end_distance_m": 243.0,
   "midpoint_distance_m": 218.0,
   "start_elevation_m": 1310.8855608845447,
   "end_elevation_m": 1312.817039658422,
   "start_xy": [
    4560796.046115856,
    2682292.90402596
   ],
   "end_xy": [
    4560788.593619929,
    2682244.855186006
   ]
  },
  "min_100m": {
   "gradient_pct": 4.956380900438489,
   "start_distance_m": 196.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 246.0,
   "start_elevation_m": 1311.201933770657,
   "end_elevation_m": 1316.1583146710955,
   "start_xy": [
    4560796.068370602,
    2682289.9041085066
   ],
   "end_xy": [
    4560787.055241701,
    2682196.9694859628
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.46200892914203,
   "start_distance_m": 514.0,
   "end_distance_m": 516.0,
   "midpoint_distance_m": 515.0,
   "start_elevation_m": 1337.451838208025,
   "end_elevation_m": 1337.9010783866079,
   "start_xy": [
    4560743.105950762,
    2681999.7373567843
   ],
   "end_xy": [
    4560741.945089781,
    2681998.10873719
   ]
  },
  "max_3m": {
   "gradient_pct": 22.248339651120357,
   "start_distance_m": 514.0,
   "end_distance_m": 517.0,
   "midpoint_distance_m": 515.5,
   "start_elevation_m": 1337.451838208025,
   "end_elevation_m": 1338.1192883975586,
   "start_xy": [
    4560743.105950762,
    2681999.7373567843
   ],
   "end_xy": [
    4560741.364659291,
    2681997.2944273925
   ]
  }
 },
 "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": 0.01,
   "obstruction_max_height_m": 3.55,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_E4560-N2681.tif",
   "data/cache/at/bev-als_dtm_E4560-N2682.tif"
  ],
  "calculated_at": "2026-09-13T00:13:22+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": [
   "E4560-N2681",
   "E4560-N2682"
  ],
  "elevation_blocks": [
   "N2650000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Gro\u00dfarl",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}