{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0110, 13.0988)",
 "slug": "discovered-lane-47-0110-13-0988",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 33.74669800537049,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 476.0,
   "end_distance_m": 478.0,
   "start_elevation_m": 1871.0599864212618,
   "end_elevation_m": 1871.7349203813692,
   "min_gradient_pct": -6.381724689049406
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.39261916615518,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 476.0,
   "end_distance_m": 479.0,
   "start_elevation_m": 1871.0599864212618,
   "end_elevation_m": 1872.0617649962464,
   "min_gradient_pct": -5.5048513901207725
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.90328609759581,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 475.0,
   "end_distance_m": 480.0,
   "start_elevation_m": 1870.7970167345786,
   "end_elevation_m": 1872.3421810394584,
   "min_gradient_pct": -4.61300071950518
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.84773224573837,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2677.0,
   "end_distance_m": 2687.0,
   "start_elevation_m": 2119.780134110257,
   "end_elevation_m": 2122.364907334831,
   "min_gradient_pct": -3.478199366318222
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.392677386151718,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2668.0,
   "end_distance_m": 2688.0,
   "start_elevation_m": 2117.69726811586,
   "end_elevation_m": 2122.5758035930903,
   "min_gradient_pct": -2.1920299008354505
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.464373449183768,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2669.0,
   "end_distance_m": 2694.0,
   "start_elevation_m": 2117.9036889960694,
   "end_elevation_m": 2123.7697823583653,
   "min_gradient_pct": -1.470647974030726
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.65999291904609,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2667.0,
   "end_distance_m": 2717.0,
   "start_elevation_m": 2117.5084172469406,
   "end_elevation_m": 2128.3384137064636,
   "min_gradient_pct": 1.5901119376198949
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.26183155421677,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2612.0,
   "end_distance_m": 2712.0,
   "start_elevation_m": 2109.035869699641,
   "end_elevation_m": 2127.2977012538577,
   "min_gradient_pct": 5.931500216582208
  }
 ],
 "shape": {
  "ascent_concentration": 0.281,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 235.0,
  "shape_class": "sustained"
 },
 "length_m": 3604.1192310475276,
 "start_elevation_m": 1813.3654307338948,
 "end_elevation_m": 2234.4927335256307,
 "endpoint_gain_m": 421.12730279173593,
 "overall_gradient_pct": 11.684610741064091,
 "accumulated_ascent_m": 421.942813083534,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.90328609759581,
   "start_distance_m": 475.0,
   "end_distance_m": 480.0,
   "midpoint_distance_m": 477.5,
   "start_elevation_m": 1870.7970167345786,
   "end_elevation_m": 1872.3421810394584,
   "start_xy": [
    4556839.030115966,
    2659921.3732702876
   ],
   "end_xy": [
    4556837.5190924965,
    2659926.1394855655
   ]
  },
  "max_10m": {
   "gradient_pct": 25.84773224573837,
   "start_distance_m": 2677.0,
   "end_distance_m": 2687.0,
   "midpoint_distance_m": 2682.0,
   "start_elevation_m": 2119.780134110257,
   "end_elevation_m": 2122.364907334831,
   "start_xy": [
    4556687.606379932,
    2660810.824522426
   ],
   "end_xy": [
    4556686.825851408,
    2660820.765471849
   ]
  },
  "max_20m": {
   "gradient_pct": 24.392677386151718,
   "start_distance_m": 2668.0,
   "end_distance_m": 2688.0,
   "midpoint_distance_m": 2678.0,
   "start_elevation_m": 2117.69726811586,
   "end_elevation_m": 2122.5758035930903,
   "start_xy": [
    4556687.148752313,
    2660801.847147088
   ],
   "end_xy": [
    4556686.689504108,
    2660821.7561329487
   ]
  },
  "max_25m": {
   "gradient_pct": 23.464373449183768,
   "start_distance_m": 2669.0,
   "end_distance_m": 2694.0,
   "midpoint_distance_m": 2681.5,
   "start_elevation_m": 2117.9036889960694,
   "end_elevation_m": 2123.7697823583653,
   "start_xy": [
    4556687.27591086,
    2660802.8390294923
   ],
   "end_xy": [
    4556686.58728427,
    2660827.7236040393
   ]
  },
  "max_50m": {
   "gradient_pct": 21.65999291904609,
   "start_distance_m": 2667.0,
   "end_distance_m": 2717.0,
   "midpoint_distance_m": 2692.0,
   "start_elevation_m": 2117.5084172469406,
   "end_elevation_m": 2128.3384137064636,
   "start_xy": [
    4556687.021593766,
    2660800.8552646837
   ],
   "end_xy": [
    4556686.163585769,
    2660849.219583816
   ]
  },
  "max_100m": {
   "gradient_pct": 18.26183155421677,
   "start_distance_m": 2612.0,
   "end_distance_m": 2712.0,
   "midpoint_distance_m": 2662.0,
   "start_elevation_m": 2109.035869699641,
   "end_elevation_m": 2127.2977012538577,
   "start_xy": [
    4556665.105750497,
    2660752.1675180816
   ],
   "end_xy": [
    4556688.664780065,
    2660845.4278859813
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.61300071950518,
   "start_distance_m": 55.0,
   "end_distance_m": 60.0,
   "midpoint_distance_m": 57.5,
   "start_elevation_m": 1817.9602746440867,
   "end_elevation_m": 1817.7296246081114,
   "start_xy": [
    4557060.262770276,
    2659756.2407418946
   ],
   "end_xy": [
    4557055.275733262,
    2659756.3929996346
   ]
  },
  "min_10m": {
   "gradient_pct": -3.478199366318222,
   "start_distance_m": 55.0,
   "end_distance_m": 65.0,
   "midpoint_distance_m": 60.0,
   "start_elevation_m": 1817.9602746440867,
   "end_elevation_m": 1817.6124547074548,
   "start_xy": [
    4557060.262770276,
    2659756.2407418946
   ],
   "end_xy": [
    4557050.300689584,
    2659756.8919389048
   ]
  },
  "min_20m": {
   "gradient_pct": -2.1920299008354505,
   "start_distance_m": 46.0,
   "end_distance_m": 66.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 1818.0453426181443,
   "end_elevation_m": 1817.6069366379772,
   "start_xy": [
    4557069.0768727325,
    2659757.7683203747
   ],
   "end_xy": [
    4557049.305680848,
    2659756.991726759
   ]
  },
  "min_25m": {
   "gradient_pct": -1.470647974030726,
   "start_distance_m": 48.0,
   "end_distance_m": 73.0,
   "midpoint_distance_m": 60.5,
   "start_elevation_m": 1818.0532419504866,
   "end_elevation_m": 1817.685579956979,
   "start_xy": [
    4557067.142908174,
    2659757.2586331293
   ],
   "end_xy": [
    4557042.340619697,
    2659757.6902417373
   ]
  },
  "min_50m": {
   "gradient_pct": 1.5901119376198949,
   "start_distance_m": 38.0,
   "end_distance_m": 88.0,
   "midpoint_distance_m": 63.0,
   "start_elevation_m": 1817.686995927855,
   "end_elevation_m": 1818.4820518966649,
   "start_xy": [
    4557076.898252401,
    2659758.4774813266
   ],
   "end_xy": [
    4557027.415488661,
    2659759.187059548
   ]
  },
  "min_100m": {
   "gradient_pct": 5.931500216582208,
   "start_distance_m": 2184.0,
   "end_distance_m": 2284.0,
   "midpoint_distance_m": 2234.0,
   "start_elevation_m": 2069.794536409555,
   "end_elevation_m": 2075.726036626137,
   "start_xy": [
    4556584.9293217305,
    2660590.8115883283
   ],
   "end_xy": [
    4556674.048688785,
    2660616.6900004703
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 33.74669800537049,
   "start_distance_m": 476.0,
   "end_distance_m": 478.0,
   "midpoint_distance_m": 477.0,
   "start_elevation_m": 1871.0599864212618,
   "end_elevation_m": 1871.7349203813692,
   "start_xy": [
    4556838.727911272,
    2659922.326513343
   ],
   "end_xy": [
    4556838.123501884,
    2659924.2329994543
   ]
  },
  "max_3m": {
   "gradient_pct": 33.39261916615518,
   "start_distance_m": 476.0,
   "end_distance_m": 479.0,
   "midpoint_distance_m": 477.5,
   "start_elevation_m": 1871.0599864212618,
   "end_elevation_m": 1872.0617649962464,
   "start_xy": [
    4556838.727911272,
    2659922.326513343
   ],
   "end_xy": [
    4556837.82129719,
    2659925.18624251
   ]
  }
 },
 "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": 0.0,
   "obstruction_max_height_m": 0.38,
   "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_E4556-N2659.tif",
   "data/cache/at/bev-als_dtm_E4556-N2660.tif",
   "data/cache/at/bev-als_dtm_E4556-N2661.tif",
   "data/cache/at/bev-als_dtm_E4557-N2659.tif",
   "data/cache/at/bev-als_dtm_E4557-N2660.tif"
  ],
  "calculated_at": "2026-09-12T23:43:58+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": [
   "E4556-N2659",
   "E4556-N2660",
   "E4556-N2661",
   "E4557-N2659",
   "E4557-N2660"
  ],
  "elevation_blocks": [
   "N2650000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Mallnitz",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}