{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.1739, 13.4624)",
 "slug": "discovered-lane-47-1739-13-4624",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.186534863371435,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2028.0,
   "end_distance_m": 2030.0,
   "start_elevation_m": 1517.4596680976902,
   "end_elevation_m": 1517.9633987949576,
   "min_gradient_pct": 0.5503846087549391
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.182771571759076,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2027.0,
   "end_distance_m": 2030.0,
   "start_elevation_m": 1517.2379156478048,
   "end_elevation_m": 1517.9633987949576,
   "min_gradient_pct": 2.0999587025395763
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.064205068885713,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 303.0,
   "end_distance_m": 308.0,
   "start_elevation_m": 1291.0640625022986,
   "end_elevation_m": 1292.217272755743,
   "min_gradient_pct": 2.282858674398085
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.73454584587398,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 300.0,
   "end_distance_m": 310.0,
   "start_elevation_m": 1290.4085346334314,
   "end_elevation_m": 1292.6819892180188,
   "min_gradient_pct": 3.8927191231755387
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.509969727054568,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 295.0,
   "end_distance_m": 315.0,
   "start_elevation_m": 1289.3537284160032,
   "end_elevation_m": 1293.655722361414,
   "min_gradient_pct": 5.599611981567705
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.923576010104625,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 290.0,
   "end_distance_m": 315.0,
   "start_elevation_m": 1288.424828358888,
   "end_elevation_m": 1293.655722361414,
   "min_gradient_pct": 5.750859840551129
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.387524233609383,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 260.0,
   "end_distance_m": 310.0,
   "start_elevation_m": 1282.488227101214,
   "end_elevation_m": 1292.6819892180188,
   "min_gradient_pct": 6.745547046548381
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.461673938732247,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 250.0,
   "end_distance_m": 350.0,
   "start_elevation_m": 1280.4310562520686,
   "end_elevation_m": 1297.8927301908009,
   "min_gradient_pct": 7.797576350753616
  }
 ],
 "shape": {
  "ascent_concentration": 0.293,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 332.0,
  "shape_class": "sustained"
 },
 "length_m": 3571.5807266531083,
 "start_elevation_m": 1254.9543301745603,
 "end_elevation_m": 1713.5223963510484,
 "endpoint_gain_m": 458.5680661764882,
 "overall_gradient_pct": 12.839358851793548,
 "accumulated_ascent_m": 458.5680661764882,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.064205068885713,
   "start_distance_m": 303.0,
   "end_distance_m": 308.0,
   "midpoint_distance_m": 305.5,
   "start_elevation_m": 1291.0640625022986,
   "end_elevation_m": 1292.217272755743,
   "start_xy": [
    4583221.139328692,
    2679287.5633425997
   ],
   "end_xy": [
    4583222.350872557,
    2679292.4143385245
   ]
  },
  "max_10m": {
   "gradient_pct": 22.73454584587398,
   "start_distance_m": 300.0,
   "end_distance_m": 310.0,
   "midpoint_distance_m": 305.0,
   "start_elevation_m": 1290.4085346334314,
   "end_elevation_m": 1292.6819892180188,
   "start_xy": [
    4583220.412402373,
    2679284.6527450443
   ],
   "end_xy": [
    4583222.835490102,
    2679294.3547368944
   ]
  },
  "max_20m": {
   "gradient_pct": 21.509969727054568,
   "start_distance_m": 295.0,
   "end_distance_m": 315.0,
   "midpoint_distance_m": 305.0,
   "start_elevation_m": 1289.3537284160032,
   "end_elevation_m": 1293.655722361414,
   "start_xy": [
    4583219.973366898,
    2679279.6909347316
   ],
   "end_xy": [
    4583226.141907335,
    2679297.805526502
   ]
  },
  "max_25m": {
   "gradient_pct": 20.923576010104625,
   "start_distance_m": 290.0,
   "end_distance_m": 315.0,
   "midpoint_distance_m": 302.5,
   "start_elevation_m": 1288.424828358888,
   "end_elevation_m": 1293.655722361414,
   "start_xy": [
    4583219.772389785,
    2679274.6949755442
   ],
   "end_xy": [
    4583226.141907335,
    2679297.805526502
   ]
  },
  "max_50m": {
   "gradient_pct": 20.387524233609383,
   "start_distance_m": 260.0,
   "end_distance_m": 310.0,
   "midpoint_distance_m": 285.0,
   "start_elevation_m": 1282.488227101214,
   "end_elevation_m": 1292.6819892180188,
   "start_xy": [
    4583218.624561424,
    2679244.7170230183
   ],
   "end_xy": [
    4583222.835490102,
    2679294.3547368944
   ]
  },
  "max_100m": {
   "gradient_pct": 17.461673938732247,
   "start_distance_m": 250.0,
   "end_distance_m": 350.0,
   "midpoint_distance_m": 300.0,
   "start_elevation_m": 1280.4310562520686,
   "end_elevation_m": 1297.8927301908009,
   "start_xy": [
    4583218.269782965,
    2679234.7233183878
   ],
   "end_xy": [
    4583256.141197416,
    2679285.977683595
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.282858674398085,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 1254.9543301745603,
   "end_elevation_m": 1255.0684731082802,
   "start_xy": [
    4583385.993,
    2679083.19
   ],
   "end_xy": [
    4583381.348713014,
    2679085.042187463
   ]
  },
  "min_10m": {
   "gradient_pct": 3.8927191231755387,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 1254.9543301745603,
   "end_elevation_m": 1255.3436020868778,
   "start_xy": [
    4583385.993,
    2679083.19
   ],
   "end_xy": [
    4583376.704426029,
    2679086.8943749256
   ]
  },
  "min_20m": {
   "gradient_pct": 5.599611981567705,
   "start_distance_m": 110.0,
   "end_distance_m": 130.0,
   "midpoint_distance_m": 120.0,
   "start_elevation_m": 1267.1762397736134,
   "end_elevation_m": 1268.296162169927,
   "start_xy": [
    4583294.982399412,
    2679136.964462634
   ],
   "end_xy": [
    4583290.080922698,
    2679156.2948945155
   ]
  },
  "min_25m": {
   "gradient_pct": 5.750859840551129,
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 126.5,
   "start_elevation_m": 1267.3713816226025,
   "end_elevation_m": 1268.8090965827403,
   "start_xy": [
    4583293.657705086,
    2679140.699811068
   ],
   "end_xy": [
    4583287.94072272,
    2679165.036702283
   ]
  },
  "min_50m": {
   "gradient_pct": 6.745547046548381,
   "start_distance_m": 104.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 129.0,
   "start_elevation_m": 1266.7148603772334,
   "end_elevation_m": 1270.0876339005076,
   "start_xy": [
    4583297.859803616,
    2679131.6994322403
   ],
   "end_xy": [
    4583284.364835138,
    2679179.604235637
   ]
  },
  "min_100m": {
   "gradient_pct": 7.797576350753616,
   "start_distance_m": 2503.0,
   "end_distance_m": 2603.0,
   "midpoint_distance_m": 2553.0,
   "start_elevation_m": 1579.4816653997277,
   "end_elevation_m": 1587.2792417504813,
   "start_xy": [
    4583745.334173366,
    2679749.754357692
   ],
   "end_xy": [
    4583741.808837761,
    2679788.767483732
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.186534863371435,
   "start_distance_m": 2028.0,
   "end_distance_m": 2030.0,
   "midpoint_distance_m": 2029.0,
   "start_elevation_m": 1517.4596680976902,
   "end_elevation_m": 1517.9633987949576,
   "start_xy": [
    4583674.540582511,
    2679568.7328782147
   ],
   "end_xy": [
    4583676.540532812,
    2679568.718778782
   ]
  },
  "max_3m": {
   "gradient_pct": 24.182771571759076,
   "start_distance_m": 2027.0,
   "end_distance_m": 2030.0,
   "midpoint_distance_m": 2028.5,
   "start_elevation_m": 1517.2379156478048,
   "end_elevation_m": 1517.9633987949576,
   "start_xy": [
    4583673.54060736,
    2679568.7399279308
   ],
   "end_xy": [
    4583676.540532812,
    2679568.718778782
   ]
  }
 },
 "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": 0.038,
   "obstruction_max_height_m": 27.93,
   "flagged_windows_m": [
    10,
    20,
    25,
    100
   ]
  },
  "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_E4583-N2679.tif",
   "data/cache/at/bev-als_dtm_E4583-N2680.tif",
   "data/cache/at/bev-als_dtm_E4584-N2679.tif",
   "data/cache/at/bev-als_dtm_E4584-N2680.tif"
  ],
  "calculated_at": "2026-09-11T15:56:44+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": [
   "E4583-N2679",
   "E4583-N2680",
   "E4584-N2679",
   "E4584-N2680"
  ],
  "elevation_blocks": [
   "N2650000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Zederhaus",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}