{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7832, 14.1629)",
 "slug": "discovered-lane-46-7832-14-1629",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 35.6816763253164,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 415.0,
   "end_distance_m": 417.0,
   "start_elevation_m": 1138.4326072441033,
   "end_elevation_m": 1139.1462407706097,
   "min_gradient_pct": -10.542932943781125
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.604047487741205,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 415.0,
   "end_distance_m": 418.0,
   "start_elevation_m": 1138.4326072441033,
   "end_elevation_m": 1139.4407286687356,
   "min_gradient_pct": -7.62266312921535
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.28477615007523,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 413.0,
   "end_distance_m": 418.0,
   "start_elevation_m": 1137.9764898612318,
   "end_elevation_m": 1139.4407286687356,
   "min_gradient_pct": -5.9933973644092475
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.70231565332915,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 126.0,
   "end_distance_m": 136.0,
   "start_elevation_m": 1098.283866713559,
   "end_elevation_m": 1100.654098278892,
   "min_gradient_pct": -4.183640044511776
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.068973999381797,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 127.0,
   "end_distance_m": 147.0,
   "start_elevation_m": 1098.5044157140971,
   "end_elevation_m": 1103.1182105139735,
   "min_gradient_pct": -3.0918235408080363
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.474607599569026,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 124.0,
   "end_distance_m": 149.0,
   "start_elevation_m": 1097.9042000663906,
   "end_elevation_m": 1103.5228519662828,
   "min_gradient_pct": -1.7626434817993868
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.795153878515066,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 100.0,
   "end_distance_m": 150.0,
   "start_elevation_m": 1093.2777235088565,
   "end_elevation_m": 1103.675300448114,
   "min_gradient_pct": 0.029163557486299396
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.25818078099428,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 77.0,
   "end_distance_m": 177.0,
   "start_elevation_m": 1088.9520448775286,
   "end_elevation_m": 1108.2102256585229,
   "min_gradient_pct": 2.6704109648360372
  }
 ],
 "shape": {
  "ascent_concentration": 0.345,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 207.0,
  "shape_class": "sustained"
 },
 "length_m": 1083.8849907451602,
 "start_elevation_m": 1076.346287729549,
 "end_elevation_m": 1201.4491549291847,
 "endpoint_gain_m": 125.10286719963574,
 "overall_gradient_pct": 11.5420794888606,
 "accumulated_ascent_m": 126.50283197916156,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.28477615007523,
   "start_distance_m": 413.0,
   "end_distance_m": 418.0,
   "midpoint_distance_m": 415.5,
   "start_elevation_m": 1137.9764898612318,
   "end_elevation_m": 1139.4407286687356,
   "start_xy": [
    4639001.2644182565,
    2638879.988314554
   ],
   "end_xy": [
    4639001.7857698575,
    2638875.015569587
   ]
  },
  "max_10m": {
   "gradient_pct": 23.70231565332915,
   "start_distance_m": 126.0,
   "end_distance_m": 136.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 1098.283866713559,
   "end_elevation_m": 1100.654098278892,
   "start_xy": [
    4638970.17000674,
    2639161.367013736
   ],
   "end_xy": [
    4638968.958343819,
    2639151.440691509
   ]
  },
  "max_20m": {
   "gradient_pct": 23.068973999381797,
   "start_distance_m": 127.0,
   "end_distance_m": 147.0,
   "midpoint_distance_m": 137.0,
   "start_elevation_m": 1098.5044157140971,
   "end_elevation_m": 1103.1182105139735,
   "start_xy": [
    4638970.048840448,
    2639160.3743815133
   ],
   "end_xy": [
    4638967.625514606,
    2639140.521737058
   ]
  },
  "max_25m": {
   "gradient_pct": 22.474607599569026,
   "start_distance_m": 124.0,
   "end_distance_m": 149.0,
   "midpoint_distance_m": 136.5,
   "start_elevation_m": 1097.9042000663906,
   "end_elevation_m": 1103.5228519662828,
   "start_xy": [
    4638970.412339324,
    2639163.352278182
   ],
   "end_xy": [
    4638967.383182022,
    2639138.536472613
   ]
  },
  "max_50m": {
   "gradient_pct": 20.795153878515066,
   "start_distance_m": 100.0,
   "end_distance_m": 150.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 1093.2777235088565,
   "end_elevation_m": 1103.675300448114,
   "start_xy": [
    4638977.599225256,
    2639186.202765279
   ],
   "end_xy": [
    4638967.262015729,
    2639137.54384039
   ]
  },
  "max_100m": {
   "gradient_pct": 19.25818078099428,
   "start_distance_m": 77.0,
   "end_distance_m": 177.0,
   "midpoint_distance_m": 127.0,
   "start_elevation_m": 1088.9520448775286,
   "end_elevation_m": 1108.2102256585229,
   "start_xy": [
    4638984.956008011,
    2639207.9944551513
   ],
   "end_xy": [
    4638963.990525842,
    2639110.7427703757
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.9933973644092475,
   "start_distance_m": 948.0,
   "end_distance_m": 953.0,
   "midpoint_distance_m": 950.5,
   "start_elevation_m": 1198.2126154697835,
   "end_elevation_m": 1197.912945601563,
   "start_xy": [
    4639215.495914281,
    2638474.932179475
   ],
   "end_xy": [
    4639219.913122653,
    2638477.274881333
   ]
  },
  "min_10m": {
   "gradient_pct": -4.183640044511776,
   "start_distance_m": 1041.0,
   "end_distance_m": 1051.0,
   "midpoint_distance_m": 1046.0,
   "start_elevation_m": 1201.3040727243917,
   "end_elevation_m": 1200.8857087199406,
   "start_xy": [
    4639301.029489181,
    2638503.990713276
   ],
   "end_xy": [
    4639309.558774919,
    2638499.0997803193
   ]
  },
  "min_20m": {
   "gradient_pct": -3.0918235408080363,
   "start_distance_m": 1035.0,
   "end_distance_m": 1055.0,
   "midpoint_distance_m": 1045.0,
   "start_elevation_m": 1201.4466272447098,
   "end_elevation_m": 1200.8282625365482,
   "start_xy": [
    4639295.519223658,
    2638506.364944492
   ],
   "end_xy": [
    4639312.3001297,
    2638496.186882456
   ]
  },
  "min_25m": {
   "gradient_pct": -1.7626434817993868,
   "start_distance_m": 1031.0,
   "end_distance_m": 1056.0,
   "midpoint_distance_m": 1043.5,
   "start_elevation_m": 1201.299141912335,
   "end_elevation_m": 1200.8584810418852,
   "start_xy": [
    4639291.651563857,
    2638506.5377363656
   ],
   "end_xy": [
    4639312.985468396,
    2638495.4586579897
   ]
  },
  "min_50m": {
   "gradient_pct": 0.029163557486299396,
   "start_distance_m": 1033.0,
   "end_distance_m": 1083.0,
   "midpoint_distance_m": 1058.0,
   "start_elevation_m": 1201.4103553252423,
   "end_elevation_m": 1201.4249371039855,
   "start_xy": [
    4639293.633855067,
    2638506.8032953166
   ],
   "end_xy": [
    4639313.791287725,
    2638469.344062866
   ]
  },
  "min_100m": {
   "gradient_pct": 2.6704109648360372,
   "start_distance_m": 970.0,
   "end_distance_m": 1070.0,
   "midpoint_distance_m": 1020.0,
   "start_elevation_m": 1198.4717691482952,
   "end_elevation_m": 1201.1421801131312,
   "start_xy": [
    4639234.923151732,
    2638485.2560483553
   ],
   "end_xy": [
    4639315.014736024,
    2638482.2863646033
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 35.6816763253164,
   "start_distance_m": 415.0,
   "end_distance_m": 417.0,
   "midpoint_distance_m": 416.0,
   "start_elevation_m": 1138.4326072441033,
   "end_elevation_m": 1139.1462407706097,
   "start_xy": [
    4639001.472958897,
    2638877.9992165673
   ],
   "end_xy": [
    4639001.681499537,
    2638876.0101185804
   ]
  },
  "max_3m": {
   "gradient_pct": 33.604047487741205,
   "start_distance_m": 415.0,
   "end_distance_m": 418.0,
   "midpoint_distance_m": 416.5,
   "start_elevation_m": 1138.4326072441033,
   "end_elevation_m": 1139.4407286687356,
   "start_xy": [
    4639001.472958897,
    2638877.9992165673
   ],
   "end_xy": [
    4639001.7857698575,
    2638875.015569587
   ]
  }
 },
 "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": 0.359,
   "obstruction_max_height_m": 27.05,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_E4638-N2638.tif",
   "data/cache/at/bev-als_dtm_E4638-N2639.tif",
   "data/cache/at/bev-als_dtm_E4639-N2638.tif",
   "data/cache/at/bev-als_dtm_E4639-N2639.tif"
  ],
  "calculated_at": "2026-09-12T23:32:40+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": [
   "E4638-N2638",
   "E4638-N2639",
   "E4639-N2638",
   "E4639-N2639"
  ],
  "elevation_blocks": [
   "N2600000E4600000@2022-09-15"
  ],
  "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)"
 }
}