{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.1692, 11.9086)",
 "slug": "discovered-lane-47-1692-11-9086",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.858403782817277,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 3.0,
   "end_distance_m": 5.0,
   "start_elevation_m": 1056.8797289636086,
   "end_elevation_m": 1057.456897039265,
   "min_gradient_pct": 1.2072600447709192,
   "suppressed_max_gradient_pct": 73.03933940048637,
   "suppressed_location_m": [
    203.0,
    205.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.076179328771406,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2.0,
   "end_distance_m": 5.0,
   "start_elevation_m": 1056.6146116594018,
   "end_elevation_m": 1057.456897039265,
   "min_gradient_pct": 1.8064275630573927,
   "suppressed_max_gradient_pct": 68.80213715472412,
   "suppressed_location_m": [
    203.0,
    206.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.34545875443473,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2.0,
   "end_distance_m": 7.0,
   "start_elevation_m": 1056.6146116594018,
   "end_elevation_m": 1057.9818845971236,
   "min_gradient_pct": 8.396035156870312,
   "suppressed_max_gradient_pct": 62.70756180474564,
   "suppressed_location_m": [
    201.0,
    206.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.05367480147015,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "start_elevation_m": 1056.1146085705186,
   "end_elevation_m": 1058.6199760506656,
   "min_gradient_pct": 11.626547035912154,
   "suppressed_max_gradient_pct": 53.41223784920203,
   "suppressed_location_m": [
    196.0,
    206.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.127387299318343,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 131.0,
   "end_distance_m": 151.0,
   "start_elevation_m": 1078.3124395246632,
   "end_elevation_m": 1082.5379169845269,
   "min_gradient_pct": 13.66131195096159,
   "suppressed_max_gradient_pct": 42.29451065858825,
   "suppressed_location_m": [
    187.0,
    207.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.081321132956873,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 131.0,
   "end_distance_m": 156.0,
   "start_elevation_m": 1078.3124395246632,
   "end_elevation_m": 1083.5827698079024,
   "min_gradient_pct": 14.00218386594679,
   "suppressed_max_gradient_pct": 38.71504196934711,
   "suppressed_location_m": [
    182.0,
    207.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.079867869753798,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "start_elevation_m": 1076.6102439418348,
   "end_elevation_m": 1086.6501778767117,
   "min_gradient_pct": 15.559171590272854,
   "suppressed_max_gradient_pct": 28.641708605034637,
   "suppressed_location_m": [
    157.0,
    207.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.85996100103398,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 72.0,
   "end_distance_m": 172.0,
   "start_elevation_m": 1068.949647847347,
   "end_elevation_m": 1086.809608848381,
   "min_gradient_pct": 16.34564981889048,
   "suppressed_max_gradient_pct": 23.552457228255662,
   "suppressed_location_m": [
    108.0,
    208.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.353,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 211.0,
  "shape_class": "sustained"
 },
 "length_m": 210.99999999997192,
 "start_elevation_m": 1056.1146085705186,
 "end_elevation_m": 1098.2999795842059,
 "endpoint_gain_m": 42.185371013687245,
 "overall_gradient_pct": 19.99306683113406,
 "accumulated_ascent_m": 42.185371013687245,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.34545875443473,
   "start_distance_m": 2.0,
   "end_distance_m": 7.0,
   "midpoint_distance_m": 4.5,
   "start_elevation_m": 1056.6146116594018,
   "end_elevation_m": 1057.9818845971236,
   "start_xy": [
    4465792.976939558,
    2674635.0717647853
   ],
   "end_xy": [
    4465792.459989609,
    2674639.7103440906
   ]
  },
  "max_10m": {
   "gradient_pct": 25.05367480147015,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 1056.1146085705186,
   "end_elevation_m": 1058.6199760506656,
   "start_xy": [
    4465792.478,
    2674633.135
   ],
   "end_xy": [
    4465790.908965109,
    2674642.278285458
   ]
  },
  "max_20m": {
   "gradient_pct": 21.127387299318343,
   "start_distance_m": 131.0,
   "end_distance_m": 151.0,
   "midpoint_distance_m": 141.0,
   "start_elevation_m": 1078.3124395246632,
   "end_elevation_m": 1082.5379169845269,
   "start_xy": [
    4465701.573465091,
    2674709.440965209
   ],
   "end_xy": [
    4465721.160995717,
    2674708.993361833
   ]
  },
  "max_25m": {
   "gradient_pct": 21.081321132956873,
   "start_distance_m": 131.0,
   "end_distance_m": 156.0,
   "midpoint_distance_m": 143.5,
   "start_elevation_m": 1078.3124395246632,
   "end_elevation_m": 1083.5827698079024,
   "start_xy": [
    4465701.573465091,
    2674709.440965209
   ],
   "end_xy": [
    4465726.1407362325,
    2674708.5437143324
   ]
  },
  "max_50m": {
   "gradient_pct": 20.079867869753798,
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 146.0,
   "start_elevation_m": 1076.6102439418348,
   "end_elevation_m": 1086.6501778767117,
   "start_xy": [
    4465700.955798872,
    2674701.5153942667
   ],
   "end_xy": [
    4465740.798263798,
    2674711.366808298
   ]
  },
  "max_100m": {
   "gradient_pct": 17.85996100103398,
   "start_distance_m": 72.0,
   "end_distance_m": 172.0,
   "midpoint_distance_m": 122.0,
   "start_elevation_m": 1068.949647847347,
   "end_elevation_m": 1086.809608848381,
   "start_xy": [
    4465742.403544841,
    2674678.601666668
   ],
   "end_xy": [
    4465741.772928839,
    2674711.590477547
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 8.396035156870312,
   "start_distance_m": 10.0,
   "end_distance_m": 15.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 1058.6199760506656,
   "end_elevation_m": 1059.0397778085091,
   "start_xy": [
    4465790.908965109,
    2674642.278285458
   ],
   "end_xy": [
    4465788.3228663085,
    2674646.5575482408
   ]
  },
  "min_10m": {
   "gradient_pct": 11.626547035912154,
   "start_distance_m": 8.0,
   "end_distance_m": 18.0,
   "midpoint_distance_m": 13.0,
   "start_elevation_m": 1058.2411526683024,
   "end_elevation_m": 1059.4038073718937,
   "start_xy": [
    4465791.942996072,
    2674640.566333391
   ],
   "end_xy": [
    4465786.3755021,
    2674648.813565854
   ]
  },
  "min_20m": {
   "gradient_pct": 13.66131195096159,
   "start_distance_m": 10.0,
   "end_distance_m": 30.0,
   "midpoint_distance_m": 20.0,
   "start_elevation_m": 1058.6199760506656,
   "end_elevation_m": 1061.352238440858,
   "start_xy": [
    4465790.908965109,
    2674642.278285458
   ],
   "end_xy": [
    4465777.70968856,
    2674657.1143871415
   ]
  },
  "min_25m": {
   "gradient_pct": 14.00218386594679,
   "start_distance_m": 9.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 21.5,
   "start_elevation_m": 1058.4664101817648,
   "end_elevation_m": 1061.9669561482515,
   "start_xy": [
    4465791.426002534,
    2674641.422322691
   ],
   "end_xy": [
    4465774.760240017,
    2674659.8158812746
   ]
  },
  "min_50m": {
   "gradient_pct": 15.559171590272854,
   "start_distance_m": 70.0,
   "end_distance_m": 120.0,
   "midpoint_distance_m": 95.0,
   "start_elevation_m": 1068.654300701558,
   "end_elevation_m": 1076.4338864966944,
   "start_xy": [
    4465744.340551363,
    2674678.10366499
   ],
   "end_xy": [
    4465701.561270497,
    2674700.7253504754
   ]
  },
  "min_100m": {
   "gradient_pct": 16.34564981889048,
   "start_distance_m": 10.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 60.0,
   "start_elevation_m": 1058.6199760506656,
   "end_elevation_m": 1074.965625869556,
   "start_xy": [
    4465790.908965109,
    2674642.278285458
   ],
   "end_xy": [
    4465708.308115005,
    2674693.344487765
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.858403782817277,
   "start_distance_m": 3.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 4.0,
   "start_elevation_m": 1056.8797289636086,
   "end_elevation_m": 1057.456897039265,
   "start_xy": [
    4465793.226998793,
    2674636.0399953253
   ],
   "end_xy": [
    4465793.493976684,
    2674637.99836549
   ]
  },
  "max_3m": {
   "gradient_pct": 28.076179328771406,
   "start_distance_m": 2.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 1056.6146116594018,
   "end_elevation_m": 1057.456897039265,
   "start_xy": [
    4465792.976939558,
    2674635.0717647853
   ],
   "end_xy": [
    4465793.493976684,
    2674637.99836549
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.038,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.17,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 175.0,
     "end_m": 200.0,
     "raw_pct": 27.46,
     "reason": "edge-step+mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 180.0,
     "end_m": 200.0,
     "raw_pct": 30.57,
     "reason": "mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 190.0,
     "end_m": 200.0,
     "raw_pct": 37.81,
     "reason": "mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 195.0,
     "end_m": 200.0,
     "raw_pct": 42.37,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.25,
   "obstruction_max_height_m": 21.43,
   "flagged_windows_m": [
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    173.0,
    208.0
   ]
  ],
  "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_E4465-N2674.tif",
   "data/cache/at/bev-als_dtm_E4466-N2674.tif"
  ],
  "calculated_at": "2026-09-15T03:45:33+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf",
  "osm_snapshot": "2026-09-10T20:21:06Z",
  "run_id": "retro-260914",
  "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": [
   "E4465-N2674",
   "E4466-N2674"
  ],
  "elevation_blocks": [
   "N2650000E4450000@2022-09-15"
  ],
  "route_cut_m": 211.0,
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Brandberg",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}