{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.2796, 11.2316)",
 "slug": "discovered-lane-47-2796-11-2316",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 16.918569434545816,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 425.0,
   "end_distance_m": 427.0,
   "start_elevation_m": 726.9115752411503,
   "end_elevation_m": 727.2499466298412,
   "min_gradient_pct": 3.016861113849245
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.861980342836585,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 425.0,
   "end_distance_m": 428.0,
   "start_elevation_m": 726.9115752411503,
   "end_elevation_m": 727.4174346514354,
   "min_gradient_pct": 3.142541249489265
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.637075174255642,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 425.0,
   "end_distance_m": 430.0,
   "start_elevation_m": 726.9115752411503,
   "end_elevation_m": 727.7434289998631,
   "min_gradient_pct": 3.6930341039760606
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.409206871348943,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 421.0,
   "end_distance_m": 431.0,
   "start_elevation_m": 726.2644968761481,
   "end_elevation_m": 727.905417563283,
   "min_gradient_pct": 4.133377722688465
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.34958114594383,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 422.0,
   "end_distance_m": 442.0,
   "start_elevation_m": 726.4265786838441,
   "end_elevation_m": 729.6964949130329,
   "min_gradient_pct": 4.261654547069611
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.299042006213313,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 417.0,
   "end_distance_m": 442.0,
   "start_elevation_m": 725.6217344114796,
   "end_elevation_m": 729.6964949130329,
   "min_gradient_pct": 4.343067250434615
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.905319732969929,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 401.0,
   "end_distance_m": 451.0,
   "start_elevation_m": 723.1262445122825,
   "end_elevation_m": 731.0789043787674,
   "min_gradient_pct": 4.5279477596498054
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.480708901761432,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 489.0,
   "end_distance_m": 589.0,
   "start_elevation_m": 736.591734511753,
   "end_elevation_m": 752.0724434135144,
   "min_gradient_pct": 5.459369976754033
  }
 ],
 "shape": {
  "ascent_concentration": 0.299,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 1017.0,
  "shape_class": "sustained"
 },
 "length_m": 2768.270013035425,
 "start_elevation_m": 675.9344826884802,
 "end_elevation_m": 997.0164440762518,
 "endpoint_gain_m": 321.08196138777157,
 "overall_gradient_pct": 11.598650416174658,
 "accumulated_ascent_m": 321.08196138777157,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.637075174255642,
   "start_distance_m": 425.0,
   "end_distance_m": 430.0,
   "midpoint_distance_m": 427.5,
   "start_elevation_m": 726.9115752411503,
   "end_elevation_m": 727.7434289998631,
   "start_xy": [
    4414402.910529829,
    2685727.419782829
   ],
   "end_xy": [
    4414399.0166991465,
    2685730.5563546238
   ]
  },
  "max_10m": {
   "gradient_pct": 16.409206871348943,
   "start_distance_m": 421.0,
   "end_distance_m": 431.0,
   "midpoint_distance_m": 426.0,
   "start_elevation_m": 726.2644968761481,
   "end_elevation_m": 727.905417563283,
   "start_xy": [
    4414406.025594374,
    2685724.910525393
   ],
   "end_xy": [
    4414398.237933011,
    2685731.1836689827
   ]
  },
  "max_20m": {
   "gradient_pct": 16.34958114594383,
   "start_distance_m": 422.0,
   "end_distance_m": 442.0,
   "midpoint_distance_m": 432.0,
   "start_elevation_m": 726.4265786838441,
   "end_elevation_m": 729.6964949130329,
   "start_xy": [
    4414405.246828238,
    2685725.537839752
   ],
   "end_xy": [
    4414389.671505511,
    2685738.0841269307
   ]
  },
  "max_25m": {
   "gradient_pct": 16.299042006213313,
   "start_distance_m": 417.0,
   "end_distance_m": 442.0,
   "midpoint_distance_m": 429.5,
   "start_elevation_m": 725.6217344114796,
   "end_elevation_m": 729.6964949130329,
   "start_xy": [
    4414409.133129751,
    2685722.392055658
   ],
   "end_xy": [
    4414389.671505511,
    2685738.0841269307
   ]
  },
  "max_50m": {
   "gradient_pct": 15.905319732969929,
   "start_distance_m": 401.0,
   "end_distance_m": 451.0,
   "midpoint_distance_m": 426.0,
   "start_elevation_m": 723.1262445122825,
   "end_elevation_m": 731.0789043787674,
   "start_xy": [
    4414421.612242476,
    2685712.3811426414
   ],
   "end_xy": [
    4414383.080649494,
    2685744.206931874
   ]
  },
  "max_100m": {
   "gradient_pct": 15.480708901761432,
   "start_distance_m": 489.0,
   "end_distance_m": 589.0,
   "midpoint_distance_m": 539.0,
   "start_elevation_m": 736.591734511753,
   "end_elevation_m": 752.0724434135144,
   "start_xy": [
    4414361.1941158045,
    2685775.0462630847
   ],
   "end_xy": [
    4414298.136541826,
    2685851.650943957
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.6930341039760606,
   "start_distance_m": 1166.0,
   "end_distance_m": 1171.0,
   "midpoint_distance_m": 1168.5,
   "start_elevation_m": 817.0579307480534,
   "end_elevation_m": 817.2425824532522,
   "start_xy": [
    4413772.01732459,
    2686075.0790846543
   ],
   "end_xy": [
    4413770.308215514,
    2686079.7779085673
   ]
  },
  "min_10m": {
   "gradient_pct": 4.133377722688465,
   "start_distance_m": 1159.0,
   "end_distance_m": 1169.0,
   "midpoint_distance_m": 1164.0,
   "start_elevation_m": 816.7388692132693,
   "end_elevation_m": 817.1522069855381,
   "start_xy": [
    4413776.8102862965,
    2686069.9878607388
   ],
   "end_xy": [
    4413770.9918591445,
    2686077.898379002
   ]
  },
  "min_20m": {
   "gradient_pct": 4.261654547069611,
   "start_distance_m": 1158.0,
   "end_distance_m": 1178.0,
   "midpoint_distance_m": 1168.0,
   "start_elevation_m": 816.6988245545605,
   "end_elevation_m": 817.5511554639744,
   "start_xy": [
    4413777.499595167,
    2686069.2633931544
   ],
   "end_xy": [
    4413769.061570321,
    2686086.588315025
   ]
  },
  "min_25m": {
   "gradient_pct": 4.343067250434615,
   "start_distance_m": 1162.0,
   "end_distance_m": 1187.0,
   "midpoint_distance_m": 1174.5,
   "start_elevation_m": 816.8677011259069,
   "end_elevation_m": 817.9534679385156,
   "start_xy": [
    4413774.742359685,
    2686072.161263492
   ],
   "end_xy": [
    4413769.965061404,
    2686095.3773032827
   ]
  },
  "min_50m": {
   "gradient_pct": 4.5279477596498054,
   "start_distance_m": 1155.0,
   "end_distance_m": 1205.0,
   "midpoint_distance_m": 1180.0,
   "start_elevation_m": 816.5197227903725,
   "end_elevation_m": 818.7836966701974,
   "start_xy": [
    4413780.138086665,
    2686067.8550110543
   ],
   "end_xy": [
    4413781.950744517,
    2686107.873761946
   ]
  },
  "min_100m": {
   "gradient_pct": 5.459369976754033,
   "start_distance_m": 2614.0,
   "end_distance_m": 2714.0,
   "midpoint_distance_m": 2664.0,
   "start_elevation_m": 988.5416950758138,
   "end_elevation_m": 994.0010650525678,
   "start_xy": [
    4413981.86348067,
    2686706.706454015
   ],
   "end_xy": [
    4413882.3965086825,
    2686716.145004959
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 16.918569434545816,
   "start_distance_m": 425.0,
   "end_distance_m": 427.0,
   "midpoint_distance_m": 426.0,
   "start_elevation_m": 726.9115752411503,
   "end_elevation_m": 727.2499466298412,
   "start_xy": [
    4414402.910529829,
    2685727.419782829
   ],
   "end_xy": [
    4414401.352997555,
    2685728.674411547
   ]
  },
  "max_3m": {
   "gradient_pct": 16.861980342836585,
   "start_distance_m": 425.0,
   "end_distance_m": 428.0,
   "midpoint_distance_m": 426.5,
   "start_elevation_m": 726.9115752411503,
   "end_elevation_m": 727.4174346514354,
   "start_xy": [
    4414402.910529829,
    2685727.419782829
   ],
   "end_xy": [
    4414400.57423142,
    2685729.301725906
   ]
  }
 },
 "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": 0.002,
   "obstruction_max_height_m": 4.6,
   "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_E4413-N2685.tif",
   "data/cache/at/bev-als_dtm_E4413-N2686.tif",
   "data/cache/at/bev-als_dtm_E4414-N2685.tif",
   "data/cache/at/bev-als_dtm_E4414-N2686.tif"
  ],
  "calculated_at": "2026-09-12T18:28:39+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": [
   "E4413-N2685",
   "E4413-N2686",
   "E4414-N2685",
   "E4414-N2686"
  ],
  "elevation_blocks": [
   "N2650000E4400000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Zirl",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}