{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8043, 14.6691)",
 "slug": "discovered-lane-46-8043-14-6691",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.558658945186835,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4121.0,
   "end_distance_m": 4123.0,
   "start_elevation_m": 1682.4250045474225,
   "end_elevation_m": 1683.0561777263263,
   "min_gradient_pct": -20.14467645693685
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.095785397376556,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 3924.0,
   "end_distance_m": 3927.0,
   "start_elevation_m": 1646.643641829802,
   "end_elevation_m": 1647.5465153917232,
   "min_gradient_pct": -19.275092234245978
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.303864826639256,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3924.0,
   "end_distance_m": 3929.0,
   "start_elevation_m": 1646.643641829802,
   "end_elevation_m": 1648.058835071134,
   "min_gradient_pct": -18.47315526420971
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.67230281027514,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3924.0,
   "end_distance_m": 3934.0,
   "start_elevation_m": 1646.643641829802,
   "end_elevation_m": 1649.3108721108295,
   "min_gradient_pct": -16.890972091741787
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.500599327485588,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3914.0,
   "end_distance_m": 3934.0,
   "start_elevation_m": 1644.4107522453323,
   "end_elevation_m": 1649.3108721108295,
   "min_gradient_pct": -14.682096157793012
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.08204574813226,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3914.0,
   "end_distance_m": 3939.0,
   "start_elevation_m": 1644.4107522453323,
   "end_elevation_m": 1650.4312636823654,
   "min_gradient_pct": -13.714768623400232
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.116852783959985,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3898.0,
   "end_distance_m": 3948.0,
   "start_elevation_m": 1641.0217891663413,
   "end_elevation_m": 1652.0802155583212,
   "min_gradient_pct": -10.204938620797293
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.128264251390192,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 3912.0,
   "end_distance_m": 4012.0,
   "start_elevation_m": 1644.034761025279,
   "end_elevation_m": 1665.1630252766693,
   "min_gradient_pct": -7.716890640767815
  }
 ],
 "shape": {
  "ascent_concentration": 0.338,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 380.0,
  "shape_class": "sustained"
 },
 "length_m": 4263.000000000241,
 "start_elevation_m": 1388.415200576181,
 "end_elevation_m": 1690.6462182924504,
 "endpoint_gain_m": 302.23101771626943,
 "overall_gradient_pct": 7.089632130336672,
 "accumulated_ascent_m": 330.5067332109045,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.303864826639256,
   "start_distance_m": 3924.0,
   "end_distance_m": 3929.0,
   "midpoint_distance_m": 3926.5,
   "start_elevation_m": 1646.643641829802,
   "end_elevation_m": 1648.058835071134,
   "start_xy": [
    4676030.993195177,
    2643883.9867697707
   ],
   "end_xy": [
    4676034.398282856,
    2643887.6481053056
   ]
  },
  "max_10m": {
   "gradient_pct": 26.67230281027514,
   "start_distance_m": 3924.0,
   "end_distance_m": 3934.0,
   "midpoint_distance_m": 3929.0,
   "start_elevation_m": 1646.643641829802,
   "end_elevation_m": 1649.3108721108295,
   "start_xy": [
    4676030.993195177,
    2643883.9867697707
   ],
   "end_xy": [
    4676037.803370534,
    2643891.3094408405
   ]
  },
  "max_20m": {
   "gradient_pct": 24.500599327485588,
   "start_distance_m": 3914.0,
   "end_distance_m": 3934.0,
   "midpoint_distance_m": 3924.0,
   "start_elevation_m": 1644.4107522453323,
   "end_elevation_m": 1649.3108721108295,
   "start_xy": [
    4676024.183019819,
    2643876.664098701
   ],
   "end_xy": [
    4676037.803370534,
    2643891.3094408405
   ]
  },
  "max_25m": {
   "gradient_pct": 24.08204574813226,
   "start_distance_m": 3914.0,
   "end_distance_m": 3939.0,
   "midpoint_distance_m": 3926.5,
   "start_elevation_m": 1644.4107522453323,
   "end_elevation_m": 1650.4312636823654,
   "start_xy": [
    4676024.183019819,
    2643876.664098701
   ],
   "end_xy": [
    4676041.208458213,
    2643894.970776376
   ]
  },
  "max_50m": {
   "gradient_pct": 22.116852783959985,
   "start_distance_m": 3898.0,
   "end_distance_m": 3948.0,
   "midpoint_distance_m": 3923.0,
   "start_elevation_m": 1641.0217891663413,
   "end_elevation_m": 1652.0802155583212,
   "start_xy": [
    4676018.230904994,
    2643861.984608144
   ],
   "end_xy": [
    4676047.337616035,
    2643901.5611803387
   ]
  },
  "max_100m": {
   "gradient_pct": 21.128264251390192,
   "start_distance_m": 3912.0,
   "end_distance_m": 4012.0,
   "midpoint_distance_m": 3962.0,
   "start_elevation_m": 1644.034761025279,
   "end_elevation_m": 1665.1630252766693,
   "start_xy": [
    4676023.239543461,
    2643874.953859109
   ],
   "end_xy": [
    4676100.105312083,
    2643937.7666905257
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -18.47315526420971,
   "start_distance_m": 3540.0,
   "end_distance_m": 3545.0,
   "midpoint_distance_m": 3542.5,
   "start_elevation_m": 1601.9064269029354,
   "end_elevation_m": 1600.982769139725,
   "start_xy": [
    4676111.679494192,
    2643685.2723503164
   ],
   "end_xy": [
    4676106.75207868,
    2643684.4234826104
   ]
  },
  "min_10m": {
   "gradient_pct": -16.890972091741787,
   "start_distance_m": 3535.0,
   "end_distance_m": 3545.0,
   "midpoint_distance_m": 3540.0,
   "start_elevation_m": 1602.6718663488991,
   "end_elevation_m": 1600.982769139725,
   "start_xy": [
    4676116.6069097025,
    2643686.121218023
   ],
   "end_xy": [
    4676106.75207868,
    2643684.4234826104
   ]
  },
  "min_20m": {
   "gradient_pct": -14.682096157793012,
   "start_distance_m": 3528.0,
   "end_distance_m": 3548.0,
   "midpoint_distance_m": 3538.0,
   "start_elevation_m": 1603.584618146344,
   "end_elevation_m": 1600.6481989147853,
   "start_xy": [
    4676123.523891465,
    2643687.0968496795
   ],
   "end_xy": [
    4676103.795629374,
    2643683.914161987
   ]
  },
  "min_25m": {
   "gradient_pct": -13.714768623400232,
   "start_distance_m": 3521.0,
   "end_distance_m": 3546.0,
   "midpoint_distance_m": 3533.5,
   "start_elevation_m": 1604.2792553075844,
   "end_elevation_m": 1600.8505631517344,
   "start_xy": [
    4676130.523841371,
    2643687.12333204
   ],
   "end_xy": [
    4676105.766595579,
    2643684.2537090695
   ]
  },
  "min_50m": {
   "gradient_pct": -10.204938620797293,
   "start_distance_m": 3500.0,
   "end_distance_m": 3550.0,
   "midpoint_distance_m": 3525.0,
   "start_elevation_m": 1605.5647359299676,
   "end_elevation_m": 1600.462266619569,
   "start_xy": [
    4676151.12090242,
    2643683.3786437167
   ],
   "end_xy": [
    4676101.82466317,
    2643683.5746149044
   ]
  },
  "min_100m": {
   "gradient_pct": -7.716890640767815,
   "start_distance_m": 3451.0,
   "end_distance_m": 3551.0,
   "midpoint_distance_m": 3501.0,
   "start_elevation_m": 1608.1441201216408,
   "end_elevation_m": 1600.427229480873,
   "start_xy": [
    4676197.136051595,
    2643667.9819746725
   ],
   "end_xy": [
    4676100.940138484,
    2643683.9862954044
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.558658945186835,
   "start_distance_m": 4121.0,
   "end_distance_m": 4123.0,
   "midpoint_distance_m": 4122.0,
   "start_elevation_m": 1682.4250045474225,
   "end_elevation_m": 1683.0561777263263,
   "start_xy": [
    4676200.075346726,
    2643977.8651095903
   ],
   "end_xy": [
    4676201.911076702,
    2643978.6588951126
   ]
  },
  "max_3m": {
   "gradient_pct": 30.095785397376556,
   "start_distance_m": 3924.0,
   "end_distance_m": 3927.0,
   "midpoint_distance_m": 3925.5,
   "start_elevation_m": 1646.643641829802,
   "end_elevation_m": 1647.5465153917232,
   "start_xy": [
    4676030.993195177,
    2643883.9867697707
   ],
   "end_xy": [
    4676033.036247784,
    2643886.183571092
   ]
  }
 },
 "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": 0.102,
   "obstruction_max_height_m": 23.74,
   "flagged_windows_m": [
    2
   ]
  },
  "review": [],
  "extent": []
 },
 "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_E4675-N2643.tif",
   "data/cache/at/bev-als_dtm_E4675-N2644.tif",
   "data/cache/at/bev-als_dtm_E4676-N2642.tif",
   "data/cache/at/bev-als_dtm_E4676-N2643.tif",
   "data/cache/at/bev-als_dtm_E4676-N2644.tif",
   "data/cache/at/bev-als_dtm_E4677-N2642.tif",
   "data/cache/at/bev-als_dtm_E4677-N2643.tif"
  ],
  "calculated_at": "2026-09-11T16:02:33+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": [
   "E4675-N2643",
   "E4675-N2644",
   "E4676-N2642",
   "E4676-N2643",
   "E4676-N2644",
   "E4677-N2642",
   "E4677-N2643"
  ],
  "elevation_blocks": [
   "N2600000E4650000@2022-09-15"
  ],
  "route_summit_trim_m": 417.6,
  "route_summit_trim_loss_m": 15.6,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Griffen",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}