{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.1637, 11.4571)",
 "slug": "discovered-lane-47-1637-11-4571",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.03277635068798,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 107.0,
   "end_distance_m": 109.0,
   "start_elevation_m": 1050.4417074452213,
   "end_elevation_m": 1051.242362972235,
   "min_gradient_pct": -3.8400780647748434
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 39.523841932312585,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 107.0,
   "end_distance_m": 110.0,
   "start_elevation_m": 1050.4417074452213,
   "end_elevation_m": 1051.6274227031906,
   "min_gradient_pct": -3.146879257709164
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.161197853072736,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 106.0,
   "end_distance_m": 111.0,
   "start_elevation_m": 1050.219929174369,
   "end_elevation_m": 1051.9279890670227,
   "min_gradient_pct": -2.0508088765200227
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.87495071613239,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 268.0,
   "end_distance_m": 278.0,
   "start_elevation_m": 1080.9666202460196,
   "end_elevation_m": 1083.9541153176328,
   "min_gradient_pct": -1.0972989095807861
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.100341527536784,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 262.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 1079.5369726255196,
   "end_elevation_m": 1084.957040931027,
   "min_gradient_pct": 0.8339906951187004
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.14456473204791,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 260.0,
   "end_distance_m": 285.0,
   "start_elevation_m": 1079.123476897455,
   "end_elevation_m": 1085.659618080467,
   "min_gradient_pct": 2.417477273294935
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.883217117735967,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 241.0,
   "end_distance_m": 291.0,
   "start_elevation_m": 1075.5317137305085,
   "end_elevation_m": 1086.4733222893765,
   "min_gradient_pct": 6.008476925445848
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.896163133977552,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 182.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 1065.0608777970494,
   "end_elevation_m": 1084.957040931027,
   "min_gradient_pct": 7.08304833145985
  }
 ],
 "shape": {
  "ascent_concentration": 0.378,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 232.0,
  "shape_class": "sustained"
 },
 "length_m": 458.83145049781785,
 "start_elevation_m": 1042.3310174990181,
 "end_elevation_m": 1103.3596698437157,
 "endpoint_gain_m": 61.02865234469755,
 "overall_gradient_pct": 13.300886911410139,
 "accumulated_ascent_m": 61.28326534957159,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.161197853072736,
   "start_distance_m": 106.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 108.5,
   "start_elevation_m": 1050.219929174369,
   "end_elevation_m": 1051.9279890670227,
   "start_xy": [
    4431577.852609396,
    2673277.097359543
   ],
   "end_xy": [
    4431580.424413148,
    2673281.2619420066
   ]
  },
  "max_10m": {
   "gradient_pct": 29.87495071613239,
   "start_distance_m": 268.0,
   "end_distance_m": 278.0,
   "midpoint_distance_m": 273.0,
   "start_elevation_m": 1080.9666202460196,
   "end_elevation_m": 1083.9541153176328,
   "start_xy": [
    4431651.426155334,
    2673336.8135615643
   ],
   "end_xy": [
    4431661.330788668,
    2673338.191327335
   ]
  },
  "max_20m": {
   "gradient_pct": 27.100341527536784,
   "start_distance_m": 262.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 272.0,
   "start_elevation_m": 1079.5369726255196,
   "end_elevation_m": 1084.957040931027,
   "start_xy": [
    4431645.470515372,
    2673336.0908788075
   ],
   "end_xy": [
    4431665.292642002,
    2673338.742433643
   ]
  },
  "max_25m": {
   "gradient_pct": 26.14456473204791,
   "start_distance_m": 260.0,
   "end_distance_m": 285.0,
   "midpoint_distance_m": 272.5,
   "start_elevation_m": 1079.123476897455,
   "end_elevation_m": 1085.659618080467,
   "start_xy": [
    4431643.482145691,
    2673335.8755046823
   ],
   "end_xy": [
    4431668.264032003,
    2673339.1557633737
   ]
  },
  "max_50m": {
   "gradient_pct": 21.883217117735967,
   "start_distance_m": 241.0,
   "end_distance_m": 291.0,
   "midpoint_distance_m": 266.0,
   "start_elevation_m": 1075.5317137305085,
   "end_elevation_m": 1086.4733222893765,
   "start_xy": [
    4431624.592633727,
    2673333.8294504923
   ],
   "end_xy": [
    4431674.25532071,
    2673338.863184093
   ]
  },
  "max_100m": {
   "gradient_pct": 19.896163133977552,
   "start_distance_m": 182.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 232.0,
   "start_elevation_m": 1065.0608777970494,
   "end_elevation_m": 1084.957040931027,
   "start_xy": [
    4431566.6279220665,
    2673329.9836125863
   ],
   "end_xy": [
    4431665.292642002,
    2673338.742433643
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.0508088765200227,
   "start_distance_m": 62.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 64.5,
   "start_elevation_m": 1045.9660129234662,
   "end_elevation_m": 1045.8634724796402,
   "start_xy": [
    4431535.062873338,
    2673270.618739168
   ],
   "end_xy": [
    4431539.787807711,
    2673271.7519753003
   ]
  },
  "min_10m": {
   "gradient_pct": -1.0972989095807861,
   "start_distance_m": 57.0,
   "end_distance_m": 67.0,
   "midpoint_distance_m": 62.0,
   "start_elevation_m": 1045.9732023705983,
   "end_elevation_m": 1045.8634724796402,
   "start_xy": [
    4431530.918368167,
    2673267.8217627844
   ],
   "end_xy": [
    4431539.787807711,
    2673271.7519753003
   ]
  },
  "min_20m": {
   "gradient_pct": 0.8339906951187004,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 1042.3310174990181,
   "end_elevation_m": 1042.4978156380419,
   "start_xy": [
    4431514.531,
    2673250.789
   ],
   "end_xy": [
    4431533.792122171,
    2673250.1238444136
   ]
  },
  "min_25m": {
   "gradient_pct": 2.417477273294935,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 1042.3310174990181,
   "end_elevation_m": 1042.9353868173419,
   "start_xy": [
    4431514.531,
    2673250.789
   ],
   "end_xy": [
    4431538.458174802,
    2673251.713207433
   ]
  },
  "min_50m": {
   "gradient_pct": 6.008476925445848,
   "start_distance_m": 337.0,
   "end_distance_m": 387.0,
   "midpoint_distance_m": 362.0,
   "start_elevation_m": 1090.227908137368,
   "end_elevation_m": 1093.232146600091,
   "start_xy": [
    4431720.232660394,
    2673338.8000858324
   ],
   "end_xy": [
    4431770.226929245,
    2673339.506973166
   ]
  },
  "min_100m": {
   "gradient_pct": 7.08304833145985,
   "start_distance_m": 293.0,
   "end_distance_m": 393.0,
   "midpoint_distance_m": 343.0,
   "start_elevation_m": 1086.740407643032,
   "end_elevation_m": 1093.823455974492,
   "start_xy": [
    4431676.252659893,
    2673338.760052181
   ],
   "end_xy": [
    4431776.225765677,
    2673339.6251317705
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.03277635068798,
   "start_distance_m": 107.0,
   "end_distance_m": 109.0,
   "midpoint_distance_m": 108.0,
   "start_elevation_m": 1050.4417074452213,
   "end_elevation_m": 1051.242362972235,
   "start_xy": [
    4431578.555455187,
    2673277.8087017913
   ],
   "end_xy": [
    4431579.708040298,
    2673279.3946418324
   ]
  },
  "max_3m": {
   "gradient_pct": 39.523841932312585,
   "start_distance_m": 107.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 108.5,
   "start_elevation_m": 1050.4417074452213,
   "end_elevation_m": 1051.6274227031906,
   "start_xy": [
    4431578.555455187,
    2673277.8087017913
   ],
   "end_xy": [
    4431580.066226723,
    2673280.3282919195
   ]
  }
 },
 "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": 0.061,
   "obstruction_max_height_m": 14.41,
   "flagged_windows_m": [
    2,
    3,
    5,
    25,
    50,
    100
   ]
  },
  "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_E4431-N2673.tif"
  ],
  "calculated_at": "2026-09-12T23:56:09+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": [
   "E4431-N2673"
  ],
  "elevation_blocks": [
   "N2650000E4400000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Ellb\u00f6gen",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}