{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8182, 14.2538)",
 "slug": "discovered-lane-46-8182-14-2538",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.340989315107436,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1013.0,
   "end_distance_m": 1015.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1149.0684961389704,
   "min_gradient_pct": -9.521088058363603
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 39.52776536603627,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 725.0,
   "end_distance_m": 728.0,
   "start_elevation_m": 1103.2149881036796,
   "end_elevation_m": 1104.4008210646607,
   "min_gradient_pct": -8.711757835593895
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 35.07860424379487,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 725.0,
   "end_distance_m": 730.0,
   "start_elevation_m": 1103.2149881036796,
   "end_elevation_m": 1104.9689183158694,
   "min_gradient_pct": -4.685780817480918
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.59260544037761,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 720.0,
   "end_distance_m": 730.0,
   "start_elevation_m": 1102.0096577718316,
   "end_elevation_m": 1104.9689183158694,
   "min_gradient_pct": 0.3403908915640841
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.913664782809292,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1013.0,
   "end_distance_m": 1033.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1153.0044093092301,
   "min_gradient_pct": 1.8524114194281083
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.522250409846492,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1013.0,
   "end_distance_m": 1038.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1154.10223895513,
   "min_gradient_pct": 2.4512315361689616
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.465737860059107,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1013.0,
   "end_distance_m": 1063.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1159.4545452826978,
   "min_gradient_pct": 4.7336670669326395
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.51717284143183,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 963.0,
   "end_distance_m": 1063.0,
   "start_elevation_m": 1139.937372441266,
   "end_elevation_m": 1159.4545452826978,
   "min_gradient_pct": 7.103923231929571
  }
 ],
 "shape": {
  "ascent_concentration": 0.326,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 163.0,
  "shape_class": "sustained"
 },
 "length_m": 1282.7950999366606,
 "start_elevation_m": 1020.7366644208904,
 "end_elevation_m": 1186.93540354731,
 "endpoint_gain_m": 166.19873912641958,
 "overall_gradient_pct": 12.955984875107942,
 "accumulated_ascent_m": 166.84939198306608,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 35.07860424379487,
   "start_distance_m": 725.0,
   "end_distance_m": 730.0,
   "midpoint_distance_m": 727.5,
   "start_elevation_m": 1103.2149881036796,
   "end_elevation_m": 1104.9689183158694,
   "start_xy": [
    4645457.756133458,
    2641962.937791969
   ],
   "end_xy": [
    4645455.165128694,
    2641958.661498134
   ]
  },
  "max_10m": {
   "gradient_pct": 29.59260544037761,
   "start_distance_m": 720.0,
   "end_distance_m": 730.0,
   "midpoint_distance_m": 725.0,
   "start_elevation_m": 1102.0096577718316,
   "end_elevation_m": 1104.9689183158694,
   "start_xy": [
    4645462.196740731,
    2641964.5224675913
   ],
   "end_xy": [
    4645455.165128694,
    2641958.661498134
   ]
  },
  "max_20m": {
   "gradient_pct": 23.913664782809292,
   "start_distance_m": 1013.0,
   "end_distance_m": 1033.0,
   "midpoint_distance_m": 1023.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1153.0044093092301,
   "start_xy": [
    4645430.278829015,
    2641701.7464653957
   ],
   "end_xy": [
    4645421.771455584,
    2641683.646064243
   ]
  },
  "max_25m": {
   "gradient_pct": 23.522250409846492,
   "start_distance_m": 1013.0,
   "end_distance_m": 1038.0,
   "midpoint_distance_m": 1025.5,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1154.10223895513,
   "start_xy": [
    4645430.278829015,
    2641701.7464653957
   ],
   "end_xy": [
    4645419.6444453355,
    2641679.121042421
   ]
  },
  "max_50m": {
   "gradient_pct": 22.465737860059107,
   "start_distance_m": 1013.0,
   "end_distance_m": 1063.0,
   "midpoint_distance_m": 1038.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1159.4545452826978,
   "start_xy": [
    4645430.278829015,
    2641701.7464653957
   ],
   "end_xy": [
    4645428.398184115,
    2641662.0850567212
   ]
  },
  "max_100m": {
   "gradient_pct": 19.51717284143183,
   "start_distance_m": 963.0,
   "end_distance_m": 1063.0,
   "midpoint_distance_m": 1013.0,
   "start_elevation_m": 1139.937372441266,
   "end_elevation_m": 1159.4545452826978,
   "start_xy": [
    4645449.172151041,
    2641747.872915349
   ],
   "end_xy": [
    4645428.398184115,
    2641662.0850567212
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.685780817480918,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 1020.7366644208904,
   "end_elevation_m": 1020.5023753800164,
   "start_xy": [
    4645454.12087077,
    2642397.2228975086
   ],
   "end_xy": [
    4645454.181021962,
    2642402.2225356037
   ]
  },
  "min_10m": {
   "gradient_pct": 0.3403908915640841,
   "start_distance_m": 25.0,
   "end_distance_m": 35.0,
   "midpoint_distance_m": 30.0,
   "start_elevation_m": 1022.6921351221293,
   "end_elevation_m": 1022.7261742112858,
   "start_xy": [
    4645442.0057616895,
    2642414.910988314
   ],
   "end_xy": [
    4645436.001836983,
    2642414.1420706413
   ]
  },
  "min_20m": {
   "gradient_pct": 1.8524114194281083,
   "start_distance_m": 24.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 1022.6572312118865,
   "end_elevation_m": 1023.0277134957721,
   "start_xy": [
    4645442.893981747,
    2642414.451570245
   ],
   "end_xy": [
    4645435.446287105,
    2642405.159234366
   ]
  },
  "min_25m": {
   "gradient_pct": 2.4512315361689616,
   "start_distance_m": 24.0,
   "end_distance_m": 49.0,
   "midpoint_distance_m": 36.5,
   "start_elevation_m": 1022.6572312118865,
   "end_elevation_m": 1023.2700390959287,
   "start_xy": [
    4645442.893981747,
    2642414.451570245
   ],
   "end_xy": [
    4645434.03423717,
    2642400.4960087957
   ]
  },
  "min_50m": {
   "gradient_pct": 4.7336670669326395,
   "start_distance_m": 20.0,
   "end_distance_m": 70.0,
   "midpoint_distance_m": 45.0,
   "start_elevation_m": 1022.4087212107798,
   "end_elevation_m": 1024.7755547442462,
   "start_xy": [
    4645446.447716375,
    2642412.615550263
   ],
   "end_xy": [
    4645420.933584442,
    2642384.9037770643
   ]
  },
  "min_100m": {
   "gradient_pct": 7.103923231929571,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 1020.7366644208904,
   "end_elevation_m": 1027.84058765282,
   "start_xy": [
    4645454.12087077,
    2642397.2228975086
   ],
   "end_xy": [
    4645395.429357082,
    2642369.175130604
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.340989315107436,
   "start_distance_m": 1013.0,
   "end_distance_m": 1015.0,
   "midpoint_distance_m": 1014.0,
   "start_elevation_m": 1148.2216763526683,
   "end_elevation_m": 1149.0684961389704,
   "start_xy": [
    4645430.278829015,
    2641701.7464653957
   ],
   "end_xy": [
    4645429.428528649,
    2641699.936219829
   ]
  },
  "max_3m": {
   "gradient_pct": 39.52776536603627,
   "start_distance_m": 725.0,
   "end_distance_m": 728.0,
   "midpoint_distance_m": 726.5,
   "start_elevation_m": 1103.2149881036796,
   "end_elevation_m": 1104.4008210646607,
   "start_xy": [
    4645457.756133458,
    2641962.937791969
   ],
   "end_xy": [
    4645456.2012316985,
    2641960.3721967293
   ]
  }
 },
 "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": 0.283,
   "obstruction_max_height_m": 25.34,
   "flagged_windows_m": [
    2,
    20,
    25,
    50,
    100
   ]
  },
  "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_E4644-N2643.tif",
   "data/cache/at/bev-als_dtm_E4645-N2641.tif",
   "data/cache/at/bev-als_dtm_E4645-N2642.tif",
   "data/cache/at/bev-als_dtm_E4645-N2643.tif"
  ],
  "calculated_at": "2026-09-11T18:52:28+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-extent-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": [
   "E4644-N2643",
   "E4645-N2641",
   "E4645-N2642",
   "E4645-N2643"
  ],
  "elevation_blocks": [
   "N2600000E4600000@2022-09-15"
  ],
  "route_base_cut_m": 2816.2,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Frauenstein",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}