{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8466, 13.5258)",
 "slug": "discovered-lane-46-8466-13-5258",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.703467018914353,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1950.0,
   "end_distance_m": 1952.0,
   "start_elevation_m": 959.2922922491915,
   "end_elevation_m": 959.8663615895698,
   "min_gradient_pct": 0.9840198352947027
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.72588111535394,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1950.0,
   "end_distance_m": 1953.0,
   "start_elevation_m": 959.2922922491915,
   "end_elevation_m": 960.1240686826521,
   "min_gradient_pct": 0.8213640390219249
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.567637067329088,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1949.0,
   "end_distance_m": 1954.0,
   "start_elevation_m": 959.0507455896313,
   "end_elevation_m": 960.3291274429978,
   "min_gradient_pct": 1.5829221708759178
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.345762421882,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1651.0,
   "end_distance_m": 1661.0,
   "start_elevation_m": 915.0570327262523,
   "end_elevation_m": 917.4916089684405,
   "min_gradient_pct": 4.230100419403016
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.63830416783742,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1651.0,
   "end_distance_m": 1671.0,
   "start_elevation_m": 915.0570327262523,
   "end_elevation_m": 919.7846935598197,
   "min_gradient_pct": 4.987882422909138
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.180079871009184,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1650.0,
   "end_distance_m": 1675.0,
   "start_elevation_m": 914.8406735427473,
   "end_elevation_m": 920.6356935104996,
   "min_gradient_pct": 5.145927086067331
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.605701953804783,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1629.0,
   "end_distance_m": 1679.0,
   "start_elevation_m": 910.668670795425,
   "end_elevation_m": 921.4715217723274,
   "min_gradient_pct": 5.9971734041293985
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.865630121070126,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1604.0,
   "end_distance_m": 1704.0,
   "start_elevation_m": 906.9509334898729,
   "end_elevation_m": 925.816563610943,
   "min_gradient_pct": 6.35363487426514
  }
 ],
 "shape": {
  "ascent_concentration": 0.326,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 169.0,
  "shape_class": "sustained"
 },
 "length_m": 2041.0289504124955,
 "start_elevation_m": 746.9444660376221,
 "end_elevation_m": 971.280154083156,
 "endpoint_gain_m": 224.33568804553397,
 "overall_gradient_pct": 10.991303577550692,
 "accumulated_ascent_m": 224.33568804553397,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.567637067329088,
   "start_distance_m": 1949.0,
   "end_distance_m": 1954.0,
   "midpoint_distance_m": 1951.5,
   "start_elevation_m": 959.0507455896313,
   "end_elevation_m": 960.3291274429978,
   "start_xy": [
    4590043.658453331,
    2643512.797993845
   ],
   "end_xy": [
    4590040.798322579,
    2643516.8991707587
   ]
  },
  "max_10m": {
   "gradient_pct": 24.345762421882,
   "start_distance_m": 1651.0,
   "end_distance_m": 1661.0,
   "midpoint_distance_m": 1656.0,
   "start_elevation_m": 915.0570327262523,
   "end_elevation_m": 917.4916089684405,
   "start_xy": [
    4590004.658784473,
    2643318.304643874
   ],
   "end_xy": [
    4590006.880972314,
    2643328.0279162657
   ]
  },
  "max_20m": {
   "gradient_pct": 23.63830416783742,
   "start_distance_m": 1651.0,
   "end_distance_m": 1671.0,
   "midpoint_distance_m": 1661.0,
   "start_elevation_m": 915.0570327262523,
   "end_elevation_m": 919.7846935598197,
   "start_xy": [
    4590004.658784473,
    2643318.304643874
   ],
   "end_xy": [
    4590010.224176919,
    2643337.4486446525
   ]
  },
  "max_25m": {
   "gradient_pct": 23.180079871009184,
   "start_distance_m": 1650.0,
   "end_distance_m": 1675.0,
   "midpoint_distance_m": 1662.5,
   "start_elevation_m": 914.8406735427473,
   "end_elevation_m": 920.6356935104996,
   "start_xy": [
    4590004.487060906,
    2643317.3194986987
   ],
   "end_xy": [
    4590011.72802562,
    2643341.155184695
   ]
  },
  "max_50m": {
   "gradient_pct": 21.605701953804783,
   "start_distance_m": 1629.0,
   "end_distance_m": 1679.0,
   "midpoint_distance_m": 1654.0,
   "start_elevation_m": 910.668670795425,
   "end_elevation_m": 921.4715217723274,
   "start_xy": [
    4590004.939567799,
    2643296.355983503
   ],
   "end_xy": [
    4590013.243446985,
    2643344.856903789
   ]
  },
  "max_100m": {
   "gradient_pct": 18.865630121070126,
   "start_distance_m": 1604.0,
   "end_distance_m": 1704.0,
   "midpoint_distance_m": 1654.0,
   "start_elevation_m": 906.9509334898729,
   "end_elevation_m": 925.816563610943,
   "start_xy": [
    4590011.533505931,
    2643272.8392804167
   ],
   "end_xy": [
    4590014.775885427,
    2643366.7608239367
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.5829221708759178,
   "start_distance_m": 544.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 546.5,
   "start_elevation_m": 792.6815395013856,
   "end_elevation_m": 792.7606856099294,
   "start_xy": [
    4589997.221167002,
    2642401.5630493616
   ],
   "end_xy": [
    4589994.587455078,
    2642405.813174242
   ]
  },
  "min_10m": {
   "gradient_pct": 4.230100419403016,
   "start_distance_m": 10.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 15.0,
   "start_elevation_m": 747.9953301796959,
   "end_elevation_m": 748.4183402216362,
   "start_xy": [
    4589984.501082867,
    2641912.8702658503
   ],
   "end_xy": [
    4589993.201708035,
    2641912.7094578105
   ]
  },
  "min_20m": {
   "gradient_pct": 4.987882422909138,
   "start_distance_m": 480.0,
   "end_distance_m": 500.0,
   "midpoint_distance_m": 490.0,
   "start_elevation_m": 787.467332007728,
   "end_elevation_m": 788.4649084923099,
   "start_xy": [
    4589987.408289658,
    2642343.7286884957
   ],
   "end_xy": [
    4589993.192758421,
    2642362.661069946
   ]
  },
  "min_25m": {
   "gradient_pct": 5.145927086067331,
   "start_distance_m": 480.0,
   "end_distance_m": 505.0,
   "midpoint_distance_m": 492.5,
   "start_elevation_m": 787.467332007728,
   "end_elevation_m": 788.7538137792449,
   "start_xy": [
    4589987.408289658,
    2642343.7286884957
   ],
   "end_xy": [
    4589995.133447667,
    2642367.2690765923
   ]
  },
  "min_50m": {
   "gradient_pct": 5.9971734041293985,
   "start_distance_m": 2.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 27.0,
   "start_elevation_m": 747.4976634060124,
   "end_elevation_m": 750.4962501080771,
   "start_xy": [
    4589976.953703263,
    2641915.352742558
   ],
   "end_xy": [
    4590000.325698181,
    2641943.906392987
   ]
  },
  "min_100m": {
   "gradient_pct": 6.35363487426514,
   "start_distance_m": 11.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 61.0,
   "start_elevation_m": 748.0618464012969,
   "end_elevation_m": 754.415481275562,
   "start_xy": [
    4589985.483300142,
    2641912.6825180813
   ],
   "end_xy": [
    4590016.004820583,
    2642000.630779921
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.703467018914353,
   "start_distance_m": 1950.0,
   "end_distance_m": 1952.0,
   "midpoint_distance_m": 1951.0,
   "start_elevation_m": 959.2922922491915,
   "end_elevation_m": 959.8663615895698,
   "start_xy": [
    4590043.086427181,
    2643513.6182292276
   ],
   "end_xy": [
    4590041.94237488,
    2643515.258699993
   ]
  },
  "max_3m": {
   "gradient_pct": 27.72588111535394,
   "start_distance_m": 1950.0,
   "end_distance_m": 1953.0,
   "midpoint_distance_m": 1951.5,
   "start_elevation_m": 959.2922922491915,
   "end_elevation_m": 960.1240686826521,
   "start_xy": [
    4590043.086427181,
    2643513.6182292276
   ],
   "end_xy": [
    4590041.370348729,
    2643516.078935376
   ]
  }
 },
 "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": 0.108,
   "obstruction_max_height_m": 20.67,
   "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_E4589-N2641.tif",
   "data/cache/at/bev-als_dtm_E4589-N2642.tif",
   "data/cache/at/bev-als_dtm_E4589-N2643.tif",
   "data/cache/at/bev-als_dtm_E4590-N2641.tif",
   "data/cache/at/bev-als_dtm_E4590-N2642.tif",
   "data/cache/at/bev-als_dtm_E4590-N2643.tif"
  ],
  "calculated_at": "2026-09-11T07:18:51+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-run1-260911",
  "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": [
   "E4589-N2641",
   "E4589-N2642",
   "E4589-N2643",
   "E4590-N2641",
   "E4590-N2642",
   "E4590-N2643"
  ],
  "elevation_blocks": [
   "N2600000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Seeboden am Millst\u00e4tter See",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}