{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (48.7538, 16.5697)",
 "slug": "discovered-lane-48-7538-16-5697",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.891353839702333,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 287.0,
   "end_distance_m": 289.0,
   "start_elevation_m": 261.95323434758643,
   "end_elevation_m": 262.4110614243805,
   "min_gradient_pct": -0.9548115663591261
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.14443108842185,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 286.0,
   "end_distance_m": 289.0,
   "start_elevation_m": 261.7467284917278,
   "end_elevation_m": 262.4110614243805,
   "min_gradient_pct": -0.8851967216249553
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.314109142642792,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 284.0,
   "end_distance_m": 289.0,
   "start_elevation_m": 261.34535596724834,
   "end_elevation_m": 262.4110614243805,
   "min_gradient_pct": -0.7872816729451415
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.951286772993853,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 286.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 261.7467284917278,
   "end_elevation_m": 263.8418571690272,
   "min_gradient_pct": -0.651027821411958
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.734492514152123,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 283.0,
   "end_distance_m": 303.0,
   "start_elevation_m": 261.1282359990177,
   "end_elevation_m": 265.27513450184813,
   "min_gradient_pct": 0.5814657113897681
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.554811035553485,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 282.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 260.9329503508135,
   "end_elevation_m": 266.07165310970186,
   "min_gradient_pct": 0.9938722912789899
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.382177453771646,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 269.0,
   "end_distance_m": 319.0,
   "start_elevation_m": 258.57913947484764,
   "end_elevation_m": 268.27022820173346,
   "min_gradient_pct": 2.430173557320643
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.278155565707237,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 232.0,
   "end_distance_m": 332.0,
   "start_elevation_m": 252.9491751117964,
   "end_elevation_m": 270.22733067750363,
   "min_gradient_pct": 5.234600838878521
  }
 ],
 "shape": {
  "ascent_concentration": 0.427,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 160.0,
  "shape_class": "sustained"
 },
 "length_m": 489.67047197758444,
 "start_elevation_m": 233.39771378760494,
 "end_elevation_m": 280.598755186479,
 "endpoint_gain_m": 47.20104139887408,
 "overall_gradient_pct": 9.639348112670106,
 "accumulated_ascent_m": 47.26614418101528,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.314109142642792,
   "start_distance_m": 284.0,
   "end_distance_m": 289.0,
   "midpoint_distance_m": 286.5,
   "start_elevation_m": 261.34535596724834,
   "end_elevation_m": 262.4110614243805,
   "start_xy": [
    4803302.28729479,
    2870479.4486996112
   ],
   "end_xy": [
    4803307.186816573,
    2870478.451360001
   ]
  },
  "max_10m": {
   "gradient_pct": 20.951286772993853,
   "start_distance_m": 286.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 291.0,
   "start_elevation_m": 261.7467284917278,
   "end_elevation_m": 263.8418571690272,
   "start_xy": [
    4803304.247103503,
    2870479.049763767
   ],
   "end_xy": [
    4803314.046147069,
    2870477.055084547
   ]
  },
  "max_20m": {
   "gradient_pct": 20.734492514152123,
   "start_distance_m": 283.0,
   "end_distance_m": 303.0,
   "midpoint_distance_m": 293.0,
   "start_elevation_m": 261.1282359990177,
   "end_elevation_m": 265.27513450184813,
   "start_xy": [
    4803301.307390433,
    2870479.648167533
   ],
   "end_xy": [
    4803320.905477565,
    2870475.6588090933
   ]
  },
  "max_25m": {
   "gradient_pct": 20.554811035553485,
   "start_distance_m": 282.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 294.5,
   "start_elevation_m": 260.9329503508135,
   "end_elevation_m": 266.07165310970186,
   "start_xy": [
    4803300.327486076,
    2870479.847635455
   ],
   "end_xy": [
    4803324.825094991,
    2870474.8609374054
   ]
  },
  "max_50m": {
   "gradient_pct": 19.382177453771646,
   "start_distance_m": 269.0,
   "end_distance_m": 319.0,
   "midpoint_distance_m": 294.0,
   "start_elevation_m": 258.57913947484764,
   "end_elevation_m": 268.27022820173346,
   "start_xy": [
    4803287.427055766,
    2870481.251107017
   ],
   "end_xy": [
    4803336.521141155,
    2870472.2067583054
   ]
  },
  "max_100m": {
   "gradient_pct": 17.278155565707237,
   "start_distance_m": 232.0,
   "end_distance_m": 332.0,
   "midpoint_distance_m": 282.0,
   "start_elevation_m": 252.9491751117964,
   "end_elevation_m": 270.22733067750363,
   "start_xy": [
    4803252.156831049,
    2870490.6035006507
   ],
   "end_xy": [
    4803349.042365625,
    2870468.711198585
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.7872816729451415,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 233.39701171231485,
   "end_elevation_m": 233.3576476286676,
   "start_xy": [
    4803046.24803261,
    2870594.1588688507
   ],
   "end_xy": [
    4803050.478195661,
    2870591.4932131036
   ]
  },
  "min_10m": {
   "gradient_pct": -0.651027821411958,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 233.39771378760494,
   "end_elevation_m": 233.33261100546375,
   "start_xy": [
    4803045.402,
    2870594.692
   ],
   "end_xy": [
    4803053.862326102,
    2870589.360688506
   ]
  },
  "min_20m": {
   "gradient_pct": 0.5814657113897681,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 233.39771378760494,
   "end_elevation_m": 233.5140069298829,
   "start_xy": [
    4803045.402,
    2870594.692
   ],
   "end_xy": [
    4803062.322652205,
    2870584.0293770125
   ]
  },
  "min_25m": {
   "gradient_pct": 0.9938722912789899,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 233.39771378760494,
   "end_elevation_m": 233.6461818604247,
   "start_xy": [
    4803045.402,
    2870594.692
   ],
   "end_xy": [
    4803066.552815256,
    2870581.363721266
   ]
  },
  "min_50m": {
   "gradient_pct": 2.430173557320643,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 233.39771378760494,
   "end_elevation_m": 234.61280056626526,
   "start_xy": [
    4803045.402,
    2870594.692
   ],
   "end_xy": [
    4803087.703630512,
    2870568.0354425316
   ]
  },
  "min_100m": {
   "gradient_pct": 5.234600838878521,
   "start_distance_m": 362.0,
   "end_distance_m": 462.0,
   "midpoint_distance_m": 412.0,
   "start_elevation_m": 273.27016798131865,
   "end_elevation_m": 278.50476882019717,
   "start_xy": [
    4803378.217508902,
    2870461.916188093
   ],
   "end_xy": [
    4803478.009936318,
    2870460.574117725
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.891353839702333,
   "start_distance_m": 287.0,
   "end_distance_m": 289.0,
   "midpoint_distance_m": 288.0,
   "start_elevation_m": 261.95323434758643,
   "end_elevation_m": 262.4110614243805,
   "start_xy": [
    4803305.227007859,
    2870478.850295845
   ],
   "end_xy": [
    4803307.186816573,
    2870478.451360001
   ]
  },
  "max_3m": {
   "gradient_pct": 22.14443108842185,
   "start_distance_m": 286.0,
   "end_distance_m": 289.0,
   "midpoint_distance_m": 287.5,
   "start_elevation_m": 261.7467284917278,
   "end_elevation_m": 262.4110614243805,
   "start_xy": [
    4803304.247103503,
    2870479.049763767
   ],
   "end_xy": [
    4803307.186816573,
    2870478.451360001
   ]
  }
 },
 "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": 0.0,
   "obstruction_max_height_m": 0.55,
   "flagged_windows_m": []
  },
  "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_E4803-N2870.tif"
  ],
  "calculated_at": "2026-09-13T00:37:34+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": [
   "E4803-N2870"
  ],
  "elevation_blocks": [
   "N2850000E4800000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Ottenthal",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}