{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.2728, 12.4813)",
 "slug": "discovered-lane-47-2728-12-4813",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.704085478894513,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 348.0,
   "end_distance_m": 350.0,
   "start_elevation_m": 839.4307146217762,
   "end_elevation_m": 839.9647963313541,
   "min_gradient_pct": -6.289229370611338
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.77715284920714,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 348.0,
   "end_distance_m": 351.0,
   "start_elevation_m": 839.4307146217762,
   "end_elevation_m": 840.2040292072525,
   "min_gradient_pct": -5.669045548400693
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.712251017660947,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 347.0,
   "end_distance_m": 352.0,
   "start_elevation_m": 839.19524491952,
   "end_elevation_m": 840.430857470403,
   "min_gradient_pct": -4.391643025257963
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.541699989700646,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 347.0,
   "end_distance_m": 357.0,
   "start_elevation_m": 839.19524491952,
   "end_elevation_m": 841.54941491849,
   "min_gradient_pct": -0.9529183929748797
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.386772004212503,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 365.0,
   "start_elevation_m": 838.7730381676367,
   "end_elevation_m": 843.2503925684792,
   "min_gradient_pct": 2.2241038626748377
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.81444042387693,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "start_elevation_m": 838.7730381676367,
   "end_elevation_m": 844.226648273606,
   "min_gradient_pct": 2.4095510270221894
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.52078952080751,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 323.0,
   "end_distance_m": 373.0,
   "start_elevation_m": 834.5326723165393,
   "end_elevation_m": 844.7930670769431,
   "min_gradient_pct": 4.230954581762262
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.60492597533039,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 296.0,
   "end_distance_m": 396.0,
   "start_elevation_m": 830.0824779125728,
   "end_elevation_m": 848.6874038879032,
   "min_gradient_pct": 6.713332006578412
  }
 ],
 "shape": {
  "ascent_concentration": 0.343,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 215.0,
  "shape_class": "sustained"
 },
 "length_m": 662.36168749283,
 "start_elevation_m": 801.3355920013431,
 "end_elevation_m": 885.4962711364891,
 "endpoint_gain_m": 84.16067913514598,
 "overall_gradient_pct": 12.706151446305839,
 "accumulated_ascent_m": 84.5219254939135,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.712251017660947,
   "start_distance_m": 347.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 349.5,
   "start_elevation_m": 839.19524491952,
   "end_elevation_m": 840.430857470403,
   "start_xy": [
    4508805.421819636,
    2687506.958137095
   ],
   "end_xy": [
    4508800.633003806,
    2687508.39592809
   ]
  },
  "max_10m": {
   "gradient_pct": 23.541699989700646,
   "start_distance_m": 347.0,
   "end_distance_m": 357.0,
   "midpoint_distance_m": 352.0,
   "start_elevation_m": 839.19524491952,
   "end_elevation_m": 841.54941491849,
   "start_xy": [
    4508805.421819636,
    2687506.958137095
   ],
   "end_xy": [
    4508795.844187976,
    2687509.833719085
   ]
  },
  "max_20m": {
   "gradient_pct": 22.386772004212503,
   "start_distance_m": 345.0,
   "end_distance_m": 365.0,
   "midpoint_distance_m": 355.0,
   "start_elevation_m": 838.7730381676367,
   "end_elevation_m": 843.2503925684792,
   "start_xy": [
    4508807.337345968,
    2687506.383020697
   ],
   "end_xy": [
    4508788.1403976055,
    2687511.543123009
   ]
  },
  "max_25m": {
   "gradient_pct": 21.81444042387693,
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 357.5,
   "start_elevation_m": 838.7730381676367,
   "end_elevation_m": 844.226648273606,
   "start_xy": [
    4508807.337345968,
    2687506.383020697
   ],
   "end_xy": [
    4508783.197185219,
    2687510.7916901796
   ]
  },
  "max_50m": {
   "gradient_pct": 20.52078952080751,
   "start_distance_m": 323.0,
   "end_distance_m": 373.0,
   "midpoint_distance_m": 348.0,
   "start_elevation_m": 834.5326723165393,
   "end_elevation_m": 844.7930670769431,
   "start_xy": [
    4508829.224070307,
    2687507.459023852
   ],
   "end_xy": [
    4508780.231257787,
    2687510.3408304816
   ]
  },
  "max_100m": {
   "gradient_pct": 18.60492597533039,
   "start_distance_m": 296.0,
   "end_distance_m": 396.0,
   "midpoint_distance_m": 346.0,
   "start_elevation_m": 830.0824779125728,
   "end_elevation_m": 848.6874038879032,
   "start_xy": [
    4508854.983230349,
    2687500.615529362
   ],
   "end_xy": [
    4508758.228342341,
    2687504.0782660386
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.391643025257963,
   "start_distance_m": 179.0,
   "end_distance_m": 184.0,
   "midpoint_distance_m": 181.5,
   "start_elevation_m": 814.6950138135412,
   "end_elevation_m": 814.4754316622783,
   "start_xy": [
    4508957.4888240285,
    2687514.3080361183
   ],
   "end_xy": [
    4508952.5928596165,
    2687513.2933773207
   ]
  },
  "min_10m": {
   "gradient_pct": -0.9529183929748797,
   "start_distance_m": 178.0,
   "end_distance_m": 188.0,
   "midpoint_distance_m": 183.0,
   "start_elevation_m": 814.680196745642,
   "end_elevation_m": 814.5849049063445,
   "start_xy": [
    4508958.468016911,
    2687514.5109678777
   ],
   "end_xy": [
    4508948.676088087,
    2687512.4816502826
   ]
  },
  "min_20m": {
   "gradient_pct": 2.2241038626748377,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 801.3355920013431,
   "end_elevation_m": 801.7804127738781,
   "start_xy": [
    4509083.367,
    2687619.021
   ],
   "end_xy": [
    4509083.089446721,
    2687599.3209833335
   ]
  },
  "min_25m": {
   "gradient_pct": 2.4095510270221894,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 801.3355920013431,
   "end_elevation_m": 801.9379797580987,
   "start_xy": [
    4509083.367,
    2687619.021
   ],
   "end_xy": [
    4509081.279800748,
    2687594.677444508
   ]
  },
  "min_50m": {
   "gradient_pct": 4.230954581762262,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 801.3355920013431,
   "end_elevation_m": 803.4510692922242,
   "start_xy": [
    4509083.367,
    2687619.021
   ],
   "end_xy": [
    4509069.467952617,
    2687572.644833708
   ]
  },
  "min_100m": {
   "gradient_pct": 6.713332006578412,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 801.3355920013431,
   "end_elevation_m": 808.0489240079215,
   "start_xy": [
    4509083.367,
    2687619.021
   ],
   "end_xy": [
    4509030.483919673,
    2687543.184879641
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.704085478894513,
   "start_distance_m": 348.0,
   "end_distance_m": 350.0,
   "midpoint_distance_m": 349.0,
   "start_elevation_m": 839.4307146217762,
   "end_elevation_m": 839.9647963313541,
   "start_xy": [
    4508804.46405647,
    2687507.2456952943
   ],
   "end_xy": [
    4508802.548530138,
    2687507.820811692
   ]
  },
  "max_3m": {
   "gradient_pct": 25.77715284920714,
   "start_distance_m": 348.0,
   "end_distance_m": 351.0,
   "midpoint_distance_m": 349.5,
   "start_elevation_m": 839.4307146217762,
   "end_elevation_m": 840.2040292072525,
   "start_xy": [
    4508804.46405647,
    2687507.2456952943
   ],
   "end_xy": [
    4508801.590766972,
    2687508.108369891
   ]
  }
 },
 "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": 0.119,
   "obstruction_max_height_m": 8.45,
   "flagged_windows_m": [
    10,
    25
   ]
  },
  "review": [],
  "extent": [
   "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_E4508-N2687.tif",
   "data/cache/at/bev-als_dtm_E4509-N2687.tif"
  ],
  "calculated_at": "2026-09-11T15:52:38+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": [
   "E4508-N2687",
   "E4509-N2687"
  ],
  "elevation_blocks": [
   "N2650000E4500000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Mittersill",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}