{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0985, 10.2663)",
 "slug": "discovered-lane-47-0985-10-2663",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.977352272002463,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2304.0,
   "end_distance_m": 2306.0,
   "start_elevation_m": 2026.778974568957,
   "end_elevation_m": 2027.298521614397,
   "min_gradient_pct": 0.8592061629428827
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.47423992059521,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2304.0,
   "end_distance_m": 2307.0,
   "start_elevation_m": 2026.778974568957,
   "end_elevation_m": 2027.5432017665748,
   "min_gradient_pct": 1.3192973259416856
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.07681522693929,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2302.0,
   "end_distance_m": 2307.0,
   "start_elevation_m": 2026.2893610052279,
   "end_elevation_m": 2027.5432017665748,
   "min_gradient_pct": 2.129387669328935
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.75788141908515,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2300.0,
   "end_distance_m": 2310.0,
   "start_elevation_m": 2025.865846360075,
   "end_elevation_m": 2028.2416345019835,
   "min_gradient_pct": 2.7455573045108395
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.61516218450174,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1256.0,
   "end_distance_m": 1276.0,
   "start_elevation_m": 1881.5533176447204,
   "end_elevation_m": 1885.8763500816208,
   "min_gradient_pct": 3.7694421676008005
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.26051599467337,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1256.0,
   "end_distance_m": 1281.0,
   "start_elevation_m": 1881.5533176447204,
   "end_elevation_m": 1886.8684466433888,
   "min_gradient_pct": 3.7788541705203897
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.345574592217417,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1246.0,
   "end_distance_m": 1296.0,
   "start_elevation_m": 1879.7902335797971,
   "end_elevation_m": 1889.4630208759058,
   "min_gradient_pct": 4.173025632053395
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.88164096776245,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 269.0,
   "end_distance_m": 369.0,
   "start_elevation_m": 1727.6612296688095,
   "end_elevation_m": 1746.542870636572,
   "min_gradient_pct": 6.484229414413676
  }
 ],
 "shape": {
  "ascent_concentration": 0.277,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 553.0,
  "shape_class": "sustained"
 },
 "length_m": 2331.101907466007,
 "start_elevation_m": 1691.0999812402256,
 "end_elevation_m": 2029.6603005263705,
 "endpoint_gain_m": 338.56031928614493,
 "overall_gradient_pct": 14.523617273093494,
 "accumulated_ascent_m": 338.56031928614493,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.07681522693929,
   "start_distance_m": 2302.0,
   "end_distance_m": 2307.0,
   "midpoint_distance_m": 2304.5,
   "start_elevation_m": 2026.2893610052279,
   "end_elevation_m": 2027.5432017665748,
   "start_xy": [
    4341420.476722991,
    2665702.781038203
   ],
   "end_xy": [
    4341418.331659965,
    2665707.2975307154
   ]
  },
  "max_10m": {
   "gradient_pct": 23.75788141908515,
   "start_distance_m": 2300.0,
   "end_distance_m": 2310.0,
   "midpoint_distance_m": 2305.0,
   "start_elevation_m": 2025.865846360075,
   "end_elevation_m": 2028.2416345019835,
   "start_xy": [
    4341421.334748202,
    2665700.974441198
   ],
   "end_xy": [
    4341417.044622149,
    2665710.007426223
   ]
  },
  "max_20m": {
   "gradient_pct": 21.61516218450174,
   "start_distance_m": 1256.0,
   "end_distance_m": 1276.0,
   "midpoint_distance_m": 1266.0,
   "start_elevation_m": 1881.5533176447204,
   "end_elevation_m": 1885.8763500816208,
   "start_xy": [
    4341216.837027481,
    2664998.638596768
   ],
   "end_xy": [
    4341227.909060605,
    2665015.2907512165
   ]
  },
  "max_25m": {
   "gradient_pct": 21.26051599467337,
   "start_distance_m": 1256.0,
   "end_distance_m": 1281.0,
   "midpoint_distance_m": 1268.5,
   "start_elevation_m": 1881.5533176447204,
   "end_elevation_m": 1886.8684466433888,
   "start_xy": [
    4341216.837027481,
    2664998.638596768
   ],
   "end_xy": [
    4341229.029568936,
    2665020.1635800744
   ]
  },
  "max_50m": {
   "gradient_pct": 19.345574592217417,
   "start_distance_m": 1246.0,
   "end_distance_m": 1296.0,
   "midpoint_distance_m": 1271.0,
   "start_elevation_m": 1879.7902335797971,
   "end_elevation_m": 1889.4630208759058,
   "start_xy": [
    4341211.293598153,
    2664990.315713176
   ],
   "end_xy": [
    4341230.418453213,
    2665034.729833854
   ]
  },
  "max_100m": {
   "gradient_pct": 18.88164096776245,
   "start_distance_m": 269.0,
   "end_distance_m": 369.0,
   "midpoint_distance_m": 319.0,
   "start_elevation_m": 1727.6612296688095,
   "end_elevation_m": 1746.542870636572,
   "start_xy": [
    4340934.459648687,
    2664724.5224531526
   ],
   "end_xy": [
    4340873.414457549,
    2664800.2078345404
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.129387669328935,
   "start_distance_m": 2289.0,
   "end_distance_m": 2294.0,
   "midpoint_distance_m": 2291.5,
   "start_elevation_m": 2025.0638115181898,
   "end_elevation_m": 2025.1702809016563,
   "start_xy": [
    4341426.918558218,
    2665691.5117515507
   ],
   "end_xy": [
    4341424.267671016,
    2665695.751185095
   ]
  },
  "min_10m": {
   "gradient_pct": 2.7455573045108395,
   "start_distance_m": 2283.0,
   "end_distance_m": 2293.0,
   "midpoint_distance_m": 2288.0,
   "start_elevation_m": 2024.855329319647,
   "end_elevation_m": 2025.129885050098,
   "start_xy": [
    4341430.100285533,
    2665686.424845685
   ],
   "end_xy": [
    4341424.79777868,
    2665694.903254753
   ]
  },
  "min_20m": {
   "gradient_pct": 3.7694421676008005,
   "start_distance_m": 1991.0,
   "end_distance_m": 2011.0,
   "midpoint_distance_m": 2001.0,
   "start_elevation_m": 1991.3023176570673,
   "end_elevation_m": 1992.0562060905875,
   "start_xy": [
    4341373.837336165,
    2665431.311227792
   ],
   "end_xy": [
    4341381.479623175,
    2665449.7918432355
   ]
  },
  "min_25m": {
   "gradient_pct": 3.7788541705203897,
   "start_distance_m": 1989.0,
   "end_distance_m": 2014.0,
   "midpoint_distance_m": 2001.5,
   "start_elevation_m": 1991.2187112865463,
   "end_elevation_m": 1992.1634248291764,
   "start_xy": [
    4341372.959061699,
    2665429.514387798
   ],
   "end_xy": [
    4341382.619147369,
    2665452.566998116
   ]
  },
  "min_50m": {
   "gradient_pct": 4.173025632053395,
   "start_distance_m": 1969.0,
   "end_distance_m": 2019.0,
   "midpoint_distance_m": 1994.0,
   "start_elevation_m": 1990.2921188489654,
   "end_elevation_m": 1992.378631664992,
   "start_xy": [
    4341364.176317041,
    2665411.5459878617
   ],
   "end_xy": [
    4341384.518354357,
    2665457.192256251
   ]
  },
  "min_100m": {
   "gradient_pct": 6.484229414413676,
   "start_distance_m": 1953.0,
   "end_distance_m": 2053.0,
   "midpoint_distance_m": 2003.0,
   "start_elevation_m": 1988.8400203762749,
   "end_elevation_m": 1995.3242497906886,
   "start_xy": [
    4341357.150121314,
    2665397.1712679127
   ],
   "end_xy": [
    4341399.35948904,
    2665487.5577475205
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.977352272002463,
   "start_distance_m": 2304.0,
   "end_distance_m": 2306.0,
   "midpoint_distance_m": 2305.0,
   "start_elevation_m": 2026.778974568957,
   "end_elevation_m": 2027.298521614397,
   "start_xy": [
    4341419.618697781,
    2665704.587635208
   ],
   "end_xy": [
    4341418.76067257,
    2665706.3942322126
   ]
  },
  "max_3m": {
   "gradient_pct": 25.47423992059521,
   "start_distance_m": 2304.0,
   "end_distance_m": 2307.0,
   "midpoint_distance_m": 2305.5,
   "start_elevation_m": 2026.778974568957,
   "end_elevation_m": 2027.5432017665748,
   "start_xy": [
    4341419.618697781,
    2665704.587635208
   ],
   "end_xy": [
    4341418.331659965,
    2665707.2975307154
   ]
  }
 },
 "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": 0.005,
   "obstruction_max_height_m": 5.61,
   "flagged_windows_m": []
  },
  "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_E4340-N2664.tif",
   "data/cache/at/bev-als_dtm_E4340-N2665.tif",
   "data/cache/at/bev-als_dtm_E4341-N2664.tif",
   "data/cache/at/bev-als_dtm_E4341-N2665.tif"
  ],
  "calculated_at": "2026-09-11T15:51:54+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": [
   "E4340-N2664",
   "E4340-N2665",
   "E4341-N2664",
   "E4341-N2665"
  ],
  "elevation_blocks": [
   "N2650000E4300000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sankt Anton am Arlberg",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}