{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.6929, 15.5711)",
 "slug": "discovered-lane-46-6929-15-5711",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.579809761959837,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 515.0,
   "end_distance_m": 517.0,
   "start_elevation_m": 414.7766515098729,
   "end_elevation_m": 415.2682477051121,
   "min_gradient_pct": -5.434598566969839
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.469671441437413,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 514.0,
   "end_distance_m": 517.0,
   "start_elevation_m": 414.534157561869,
   "end_elevation_m": 415.2682477051121,
   "min_gradient_pct": -5.134099727645965
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.380493906425045,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 511.0,
   "end_distance_m": 516.0,
   "start_elevation_m": 413.8067053876605,
   "end_elevation_m": 415.02573008298174,
   "min_gradient_pct": -4.862032604526121
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.31902745763182,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 512.0,
   "end_distance_m": 522.0,
   "start_elevation_m": 414.0509138839325,
   "end_elevation_m": 416.48281662969566,
   "min_gradient_pct": -4.300185357481041
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.82438442107059,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 504.0,
   "end_distance_m": 524.0,
   "start_elevation_m": 412.1850427373664,
   "end_elevation_m": 416.94991962158053,
   "min_gradient_pct": -3.641769468894438
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.793522642747575,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 498.0,
   "end_distance_m": 523.0,
   "start_elevation_m": 410.7704452649794,
   "end_elevation_m": 416.7188259256663,
   "min_gradient_pct": -3.1066985639799896
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.415509215381917,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 475.0,
   "end_distance_m": 525.0,
   "start_elevation_m": 405.47396254148805,
   "end_elevation_m": 417.181717149179,
   "min_gradient_pct": -2.7301130562725575
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.391219789920456,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 430.0,
   "end_distance_m": 530.0,
   "start_elevation_m": 397.8181660993821,
   "end_elevation_m": 418.20938588930255,
   "min_gradient_pct": 0.5349094933969241
  }
 ],
 "shape": {
  "ascent_concentration": 0.426,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 275.0,
  "shape_class": "sustained"
 },
 "length_m": 920.1290861320564,
 "start_elevation_m": 352.43197800291085,
 "end_elevation_m": 451.67246295594083,
 "endpoint_gain_m": 99.24048495302998,
 "overall_gradient_pct": 10.785495910167004,
 "accumulated_ascent_m": 101.86856206940479,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.380493906425045,
   "start_distance_m": 511.0,
   "end_distance_m": 516.0,
   "midpoint_distance_m": 513.5,
   "start_elevation_m": 413.8067053876605,
   "end_elevation_m": 415.02573008298174,
   "start_xy": [
    4747312.820745726,
    2636053.754793639
   ],
   "end_xy": [
    4747317.690025538,
    2636054.8906255392
   ]
  },
  "max_10m": {
   "gradient_pct": 24.31902745763182,
   "start_distance_m": 512.0,
   "end_distance_m": 522.0,
   "midpoint_distance_m": 517.0,
   "start_elevation_m": 414.0509138839325,
   "end_elevation_m": 416.48281662969566,
   "start_xy": [
    4747313.794601688,
    2636053.981960019
   ],
   "end_xy": [
    4747323.533161313,
    2636056.2536238194
   ]
  },
  "max_20m": {
   "gradient_pct": 23.82438442107059,
   "start_distance_m": 504.0,
   "end_distance_m": 524.0,
   "midpoint_distance_m": 514.0,
   "start_elevation_m": 412.1850427373664,
   "end_elevation_m": 416.94991962158053,
   "start_xy": [
    4747306.003753988,
    2636052.164628979
   ],
   "end_xy": [
    4747325.480873239,
    2636056.7079565795
   ]
  },
  "max_25m": {
   "gradient_pct": 23.793522642747575,
   "start_distance_m": 498.0,
   "end_distance_m": 523.0,
   "midpoint_distance_m": 510.5,
   "start_elevation_m": 410.7704452649794,
   "end_elevation_m": 416.7188259256663,
   "start_xy": [
    4747300.160618213,
    2636050.801630698
   ],
   "end_xy": [
    4747324.507017276,
    2636056.4807901997
   ]
  },
  "max_50m": {
   "gradient_pct": 23.415509215381917,
   "start_distance_m": 475.0,
   "end_distance_m": 525.0,
   "midpoint_distance_m": 500.0,
   "start_elevation_m": 405.47396254148805,
   "end_elevation_m": 417.181717149179,
   "start_xy": [
    4747277.761931075,
    2636045.576803957
   ],
   "end_xy": [
    4747326.454729201,
    2636056.93512296
   ]
  },
  "max_100m": {
   "gradient_pct": 20.391219789920456,
   "start_distance_m": 430.0,
   "end_distance_m": 530.0,
   "midpoint_distance_m": 480.0,
   "start_elevation_m": 397.8181660993821,
   "end_elevation_m": 418.20938588930255,
   "start_xy": [
    4747235.420374447,
    2636031.357003841
   ],
   "end_xy": [
    4747331.168654354,
    2636058.3749340046
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.862032604526121,
   "start_distance_m": 159.0,
   "end_distance_m": 164.0,
   "midpoint_distance_m": 161.5,
   "start_elevation_m": 366.8971177577896,
   "end_elevation_m": 366.6540161275633,
   "start_xy": [
    4747107.167398354,
    2635853.8566238345
   ],
   "end_xy": [
    4747104.334366817,
    2635857.9597980734
   ]
  },
  "min_10m": {
   "gradient_pct": -4.300185357481041,
   "start_distance_m": 159.0,
   "end_distance_m": 169.0,
   "midpoint_distance_m": 164.0,
   "start_elevation_m": 366.8971177577896,
   "end_elevation_m": 366.4670992220415,
   "start_xy": [
    4747107.167398354,
    2635853.8566238345
   ],
   "end_xy": [
    4747101.956096305,
    2635862.3579601184
   ]
  },
  "min_20m": {
   "gradient_pct": -3.641769468894438,
   "start_distance_m": 155.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 165.0,
   "start_elevation_m": 367.00977659098356,
   "end_elevation_m": 366.2814226972047,
   "start_xy": [
    4747109.604560566,
    2635850.68483564
   ],
   "end_xy": [
    4747099.10217169,
    2635867.635754572
   ]
  },
  "min_25m": {
   "gradient_pct": -3.1066985639799896,
   "start_distance_m": 155.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 167.5,
   "start_elevation_m": 367.00977659098356,
   "end_elevation_m": 366.23310194998857,
   "start_xy": [
    4747109.604560566,
    2635850.68483564
   ],
   "end_xy": [
    4747097.2042735275,
    2635872.2433397565
   ]
  },
  "min_50m": {
   "gradient_pct": -2.7301130562725575,
   "start_distance_m": 155.0,
   "end_distance_m": 205.0,
   "midpoint_distance_m": 180.0,
   "start_elevation_m": 367.00977659098356,
   "end_elevation_m": 365.6447200628473,
   "start_xy": [
    4747109.604560566,
    2635850.68483564
   ],
   "end_xy": [
    4747090.273119821,
    2635896.23248461
   ]
  },
  "min_100m": {
   "gradient_pct": 0.5349094933969241,
   "start_distance_m": 141.0,
   "end_distance_m": 241.0,
   "midpoint_distance_m": 191.0,
   "start_elevation_m": 366.48162529505197,
   "end_elevation_m": 367.0165347884489,
   "start_xy": [
    4747118.786783866,
    2635840.132648811
   ],
   "end_xy": [
    4747089.810184531,
    2635932.1371113956
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.579809761959837,
   "start_distance_m": 515.0,
   "end_distance_m": 517.0,
   "midpoint_distance_m": 516.0,
   "start_elevation_m": 414.7766515098729,
   "end_elevation_m": 415.2682477051121,
   "start_xy": [
    4747316.716169576,
    2636054.6634591594
   ],
   "end_xy": [
    4747318.663881501,
    2636055.1177919195
   ]
  },
  "max_3m": {
   "gradient_pct": 24.469671441437413,
   "start_distance_m": 514.0,
   "end_distance_m": 517.0,
   "midpoint_distance_m": 515.5,
   "start_elevation_m": 414.534157561869,
   "end_elevation_m": 415.2682477051121,
   "start_xy": [
    4747315.742313613,
    2636054.436292779
   ],
   "end_xy": [
    4747318.663881501,
    2636055.1177919195
   ]
  }
 },
 "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": 0.094,
   "obstruction_max_height_m": 17.31,
   "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_E4747-N2635.tif",
   "data/cache/at/bev-als_dtm_E4747-N2636.tif"
  ],
  "calculated_at": "2026-09-11T07:20:55+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-run1-260911",
  "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": [
   "E4747-N2635",
   "E4747-N2636"
  ],
  "elevation_blocks": [
   "N2600000E4700000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Ehrenhausen an der Weinstra\u00dfe",
  "county": "Steiermark",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}