{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.2271, 11.8031)",
 "slug": "discovered-lane-47-2271-11-8031",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.35174333178111,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 3572.0,
   "end_distance_m": 3574.0,
   "start_elevation_m": 1829.958183661779,
   "end_elevation_m": 1830.7452185284146,
   "min_gradient_pct": -16.133953383655353
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.52381339310947,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 3571.0,
   "end_distance_m": 3574.0,
   "start_elevation_m": 1829.7395041266213,
   "end_elevation_m": 1830.7452185284146,
   "min_gradient_pct": -12.68861379246573
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.34887915686977,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 21.0,
   "end_distance_m": 26.0,
   "start_elevation_m": 1416.1653698938721,
   "end_elevation_m": 1417.5828138517156,
   "min_gradient_pct": -6.241415772719847
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.44145325011459,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 20.0,
   "end_distance_m": 30.0,
   "start_elevation_m": 1415.9068355272566,
   "end_elevation_m": 1418.650980852268,
   "min_gradient_pct": -1.8063226163485524
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.953615485915634,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 11.0,
   "end_distance_m": 31.0,
   "start_elevation_m": 1413.494271495021,
   "end_elevation_m": 1418.884994592204,
   "min_gradient_pct": -1.0060572118368327
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.20009111442141,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7.0,
   "end_distance_m": 32.0,
   "start_elevation_m": 1412.5550138497629,
   "end_elevation_m": 1419.1050366283682,
   "min_gradient_pct": -0.5345763192235609
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.52952738324211,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4011.0,
   "end_distance_m": 4061.0,
   "start_elevation_m": 1880.917819598385,
   "end_elevation_m": 1891.182583290006,
   "min_gradient_pct": 2.5276379517617897
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.7280996434381,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3973.0,
   "end_distance_m": 4073.0,
   "start_elevation_m": 1873.7576283550634,
   "end_elevation_m": 1893.4857279985015,
   "min_gradient_pct": 4.346186315699015
  }
 ],
 "shape": {
  "ascent_concentration": 0.289,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 484.0,
  "shape_class": "sustained"
 },
 "length_m": 6189.408156874695,
 "start_elevation_m": 1410.911803787265,
 "end_elevation_m": 2115.57828510548,
 "endpoint_gain_m": 704.6664813182151,
 "overall_gradient_pct": 11.38503817260021,
 "accumulated_ascent_m": 706.1918448930642,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.34887915686977,
   "start_distance_m": 21.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 23.5,
   "start_elevation_m": 1416.1653698938721,
   "end_elevation_m": 1417.5828138517156,
   "start_xy": [
    4459193.781372053,
    2678601.507559401
   ],
   "end_xy": [
    4459192.467040639,
    2678606.3317207727
   ]
  },
  "max_10m": {
   "gradient_pct": 27.44145325011459,
   "start_distance_m": 20.0,
   "end_distance_m": 30.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 1415.9068355272566,
   "end_elevation_m": 1418.650980852268,
   "start_xy": [
    4459194.0442383345,
    2678600.5427271267
   ],
   "end_xy": [
    4459191.415575509,
    2678610.1910498696
   ]
  },
  "max_20m": {
   "gradient_pct": 26.953615485915634,
   "start_distance_m": 11.0,
   "end_distance_m": 31.0,
   "midpoint_distance_m": 21.0,
   "start_elevation_m": 1413.494271495021,
   "end_elevation_m": 1418.884994592204,
   "start_xy": [
    4459197.250323784,
    2678592.204553867
   ],
   "end_xy": [
    4459191.152709226,
    2678611.155882144
   ]
  },
  "max_25m": {
   "gradient_pct": 26.20009111442141,
   "start_distance_m": 7.0,
   "end_distance_m": 32.0,
   "midpoint_distance_m": 19.5,
   "start_elevation_m": 1412.5550138497629,
   "end_elevation_m": 1419.1050366283682,
   "start_xy": [
    4459199.216387862,
    2678588.7210797337
   ],
   "end_xy": [
    4459190.889842943,
    2678612.120714418
   ]
  },
  "max_50m": {
   "gradient_pct": 20.52952738324211,
   "start_distance_m": 4011.0,
   "end_distance_m": 4061.0,
   "midpoint_distance_m": 4036.0,
   "start_elevation_m": 1880.917819598385,
   "end_elevation_m": 1891.182583290006,
   "start_xy": [
    4457953.615399606,
    2680316.720207278
   ],
   "end_xy": [
    4457912.846420966,
    2680345.376711918
   ]
  },
  "max_100m": {
   "gradient_pct": 19.7280996434381,
   "start_distance_m": 3973.0,
   "end_distance_m": 4073.0,
   "midpoint_distance_m": 4023.0,
   "start_elevation_m": 1873.7576283550634,
   "end_elevation_m": 1893.4857279985015,
   "start_xy": [
    4457983.058889926,
    2680292.743106905
   ],
   "end_xy": [
    4457905.027327602,
    2680354.479556471
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.241415772719847,
   "start_distance_m": 168.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 170.5,
   "start_elevation_m": 1435.4602423352821,
   "end_elevation_m": 1435.1481715466462,
   "start_xy": [
    4459113.146391378,
    2678721.3302470604
   ],
   "end_xy": [
    4459111.522725755,
    2678725.198797109
   ]
  },
  "min_10m": {
   "gradient_pct": -1.8063226163485524,
   "start_distance_m": 5767.0,
   "end_distance_m": 5777.0,
   "midpoint_distance_m": 5772.0,
   "start_elevation_m": 2083.3231811305786,
   "end_elevation_m": 2083.142548868944,
   "start_xy": [
    4456920.283613926,
    2681364.415999174
   ],
   "end_xy": [
    4456912.575149909,
    2681370.5491810697
   ]
  },
  "min_20m": {
   "gradient_pct": -1.0060572118368327,
   "start_distance_m": 5768.0,
   "end_distance_m": 5788.0,
   "midpoint_distance_m": 5778.0,
   "start_elevation_m": 2083.2863016016995,
   "end_elevation_m": 2083.085090159332,
   "start_xy": [
    4456919.368417422,
    2681364.8190070638
   ],
   "end_xy": [
    4456907.872138787,
    2681380.4742514975
   ]
  },
  "min_25m": {
   "gradient_pct": -0.5345763192235609,
   "start_distance_m": 5767.0,
   "end_distance_m": 5792.0,
   "midpoint_distance_m": 5779.5,
   "start_elevation_m": 2083.3231811305786,
   "end_elevation_m": 2083.1895370507727,
   "start_xy": [
    4456920.283613926,
    2681364.415999174
   ],
   "end_xy": [
    4456906.372443575,
    2681384.1824740195
   ]
  },
  "min_50m": {
   "gradient_pct": 2.5276379517617897,
   "start_distance_m": 5764.0,
   "end_distance_m": 5814.0,
   "midpoint_distance_m": 5789.0,
   "start_elevation_m": 2083.192783240601,
   "end_elevation_m": 2084.4566022164818,
   "start_xy": [
    4456923.029203437,
    2681363.2069755048
   ],
   "end_xy": [
    4456890.0262262905,
    2681397.87124138
   ]
  },
  "min_100m": {
   "gradient_pct": 4.346186315699015,
   "start_distance_m": 5624.0,
   "end_distance_m": 5724.0,
   "midpoint_distance_m": 5674.0,
   "start_elevation_m": 2076.0881759440354,
   "end_elevation_m": 2080.4343622597344,
   "start_xy": [
    4457045.754395984,
    2681298.93538104
   ],
   "end_xy": [
    4456958.805259558,
    2681346.28189275
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.35174333178111,
   "start_distance_m": 3572.0,
   "end_distance_m": 3574.0,
   "midpoint_distance_m": 3573.0,
   "start_elevation_m": 1829.958183661779,
   "end_elevation_m": 1830.7452185284146,
   "start_xy": [
    4458299.410267667,
    2680100.1721045747
   ],
   "end_xy": [
    4458300.829452431,
    2680101.577483215
   ]
  },
  "max_3m": {
   "gradient_pct": 33.52381339310947,
   "start_distance_m": 3571.0,
   "end_distance_m": 3574.0,
   "midpoint_distance_m": 3572.5,
   "start_elevation_m": 1829.7395041266213,
   "end_elevation_m": 1830.7452185284146,
   "start_xy": [
    4458298.688583058,
    2680099.479882554
   ],
   "end_xy": [
    4458300.829452431,
    2680101.577483215
   ]
  }
 },
 "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": 0.003,
   "obstruction_max_height_m": 5.24,
   "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_E4456-N2681.tif",
   "data/cache/at/bev-als_dtm_E4457-N2679.tif",
   "data/cache/at/bev-als_dtm_E4457-N2680.tif",
   "data/cache/at/bev-als_dtm_E4457-N2681.tif",
   "data/cache/at/bev-als_dtm_E4458-N2678.tif",
   "data/cache/at/bev-als_dtm_E4458-N2679.tif",
   "data/cache/at/bev-als_dtm_E4458-N2680.tif",
   "data/cache/at/bev-als_dtm_E4459-N2678.tif",
   "data/cache/at/bev-als_dtm_E4459-N2679.tif"
  ],
  "calculated_at": "2026-09-12T18:24:31+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-run3-260912",
  "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": [
   "E4456-N2681",
   "E4457-N2679",
   "E4457-N2680",
   "E4457-N2681",
   "E4458-N2678",
   "E4458-N2679",
   "E4458-N2680",
   "E4459-N2678",
   "E4459-N2679"
  ],
  "elevation_blocks": [
   "N2650000E4450000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hippach",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}