{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7689, 14.9047)",
 "slug": "discovered-lane-46-7689-14-9047",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.08570341321115,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 532.0,
   "end_distance_m": 534.0,
   "start_elevation_m": 609.1773388288822,
   "end_elevation_m": 609.7390528971464,
   "min_gradient_pct": -20.093539526294535
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.732417226025063,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 546.0,
   "end_distance_m": 549.0,
   "start_elevation_m": 612.5312696829732,
   "end_elevation_m": 613.3632421997539,
   "min_gradient_pct": -20.092777022531056
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.82487824703685,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 532.0,
   "end_distance_m": 537.0,
   "start_elevation_m": 609.1773388288822,
   "end_elevation_m": 610.518582741234,
   "min_gradient_pct": -15.031922329185363
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.223155315670738,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 531.0,
   "end_distance_m": 541.0,
   "start_elevation_m": 608.9494889264834,
   "end_elevation_m": 611.4718044580504,
   "min_gradient_pct": -10.06763122664779
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.14670794480628,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 529.0,
   "end_distance_m": 549.0,
   "start_elevation_m": 608.5339006107927,
   "end_elevation_m": 613.3632421997539,
   "min_gradient_pct": -7.462975879669216
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.336919185398983,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 526.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 607.9268668353398,
   "end_elevation_m": 613.7610966316895,
   "min_gradient_pct": -6.69360104196403
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.043467176818467,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 501.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 603.2393630432803,
   "end_elevation_m": 613.7610966316895,
   "min_gradient_pct": -3.644228410662663
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.410985419320355,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 486.0,
   "end_distance_m": 586.0,
   "start_elevation_m": 600.5982138984084,
   "end_elevation_m": 619.0091993177288,
   "min_gradient_pct": 1.170741193582785
  }
 ],
 "shape": {
  "ascent_concentration": 0.393,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 162.0,
  "shape_class": "sustained"
 },
 "length_m": 909.13339991185,
 "start_elevation_m": 556.7575681866526,
 "end_elevation_m": 640.3648127098397,
 "endpoint_gain_m": 83.60724452318709,
 "overall_gradient_pct": 9.19636706024591,
 "accumulated_ascent_m": 85.74858295953561,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.82487824703685,
   "start_distance_m": 532.0,
   "end_distance_m": 537.0,
   "midpoint_distance_m": 534.5,
   "start_elevation_m": 609.1773388288822,
   "end_elevation_m": 610.518582741234,
   "start_xy": [
    4695774.880691052,
    2640704.2436771053
   ],
   "end_xy": [
    4695777.291273149,
    2640699.8631412983
   ]
  },
  "max_10m": {
   "gradient_pct": 25.223155315670738,
   "start_distance_m": 531.0,
   "end_distance_m": 541.0,
   "midpoint_distance_m": 536.0,
   "start_elevation_m": 608.9494889264834,
   "end_elevation_m": 611.4718044580504,
   "start_xy": [
    4695774.389322253,
    2640705.1143068206
   ],
   "end_xy": [
    4695779.219738826,
    2640696.3587126527
   ]
  },
  "max_20m": {
   "gradient_pct": 24.14670794480628,
   "start_distance_m": 529.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 539.0,
   "start_elevation_m": 608.5339006107927,
   "end_elevation_m": 613.3632421997539,
   "start_xy": [
    4695773.316852733,
    2640706.8024445893
   ],
   "end_xy": [
    4695783.076670181,
    2640689.3498553615
   ]
  },
  "max_25m": {
   "gradient_pct": 23.336919185398983,
   "start_distance_m": 526.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 538.5,
   "start_elevation_m": 607.9268668353398,
   "end_elevation_m": 613.7610966316895,
   "start_xy": [
    4695771.708148452,
    2640709.3346512434
   ],
   "end_xy": [
    4695784.040903019,
    2640687.5976410387
   ]
  },
  "max_50m": {
   "gradient_pct": 21.043467176818467,
   "start_distance_m": 501.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 526.0,
   "start_elevation_m": 603.2393630432803,
   "end_elevation_m": 613.7610966316895,
   "start_xy": [
    4695758.302279447,
    2640730.436373358
   ],
   "end_xy": [
    4695784.040903019,
    2640687.5976410387
   ]
  },
  "max_100m": {
   "gradient_pct": 18.410985419320355,
   "start_distance_m": 486.0,
   "end_distance_m": 586.0,
   "midpoint_distance_m": 536.0,
   "start_elevation_m": 600.5982138984084,
   "end_elevation_m": 619.0091993177288,
   "start_xy": [
    4695750.258758044,
    2640743.097406627
   ],
   "end_xy": [
    4695800.914977695,
    2640656.93389039
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -15.031922329185363,
   "start_distance_m": 901.0,
   "end_distance_m": 906.0,
   "midpoint_distance_m": 903.5,
   "start_elevation_m": 641.238243098145,
   "end_elevation_m": 640.4866469816857,
   "start_xy": [
    4696058.476718846,
    2640503.2447710494
   ],
   "end_xy": [
    4696062.492432585,
    2640500.265837822
   ]
  },
  "min_10m": {
   "gradient_pct": -10.06763122664779,
   "start_distance_m": 897.0,
   "end_distance_m": 907.0,
   "midpoint_distance_m": 902.0,
   "start_elevation_m": 641.4231672025223,
   "end_elevation_m": 640.4164040798576,
   "start_xy": [
    4696055.264147855,
    2640505.6279176306
   ],
   "end_xy": [
    4696063.295575333,
    2640499.670051177
   ]
  },
  "min_20m": {
   "gradient_pct": -7.462975879669216,
   "start_distance_m": 888.0,
   "end_distance_m": 908.0,
   "midpoint_distance_m": 898.0,
   "start_elevation_m": 641.8758340934656,
   "end_elevation_m": 640.3832389175318,
   "start_xy": [
    4696048.567011333,
    2640511.6201207023
   ],
   "end_xy": [
    4696064.09871808,
    2640499.0742645315
   ]
  },
  "min_25m": {
   "gradient_pct": -6.69360104196403,
   "start_distance_m": 882.0,
   "end_distance_m": 907.0,
   "midpoint_distance_m": 894.5,
   "start_elevation_m": 642.0898043403486,
   "end_elevation_m": 640.4164040798576,
   "start_xy": [
    4696044.228353956,
    2640515.7645207997
   ],
   "end_xy": [
    4696063.295575333,
    2640499.670051177
   ]
  },
  "min_50m": {
   "gradient_pct": -3.644228410662663,
   "start_distance_m": 859.0,
   "end_distance_m": 909.0,
   "midpoint_distance_m": 884.0,
   "start_elevation_m": 642.1883060434656,
   "end_elevation_m": 640.3661918381342,
   "start_xy": [
    4696027.5618265215,
    2640531.6140993685
   ],
   "end_xy": [
    4696064.901860828,
    2640498.4784778864
   ]
  },
  "min_100m": {
   "gradient_pct": 1.170741193582785,
   "start_distance_m": 809.0,
   "end_distance_m": 909.0,
   "midpoint_distance_m": 859.0,
   "start_elevation_m": 639.1954506445514,
   "end_elevation_m": 640.3661918381342,
   "start_xy": [
    4695984.877123409,
    2640556.0581474984
   ],
   "end_xy": [
    4696064.901860828,
    2640498.4784778864
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.08570341321115,
   "start_distance_m": 532.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 533.0,
   "start_elevation_m": 609.1773388288822,
   "end_elevation_m": 609.7390528971464,
   "start_xy": [
    4695774.880691052,
    2640704.2436771053
   ],
   "end_xy": [
    4695775.844923891,
    2640702.4914627825
   ]
  },
  "max_3m": {
   "gradient_pct": 27.732417226025063,
   "start_distance_m": 546.0,
   "end_distance_m": 549.0,
   "midpoint_distance_m": 547.5,
   "start_elevation_m": 612.5312696829732,
   "end_elevation_m": 613.3632421997539,
   "start_xy": [
    4695781.6303209225,
    2640691.9781768457
   ],
   "end_xy": [
    4695783.076670181,
    2640689.3498553615
   ]
  }
 },
 "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": 0.21,
   "obstruction_max_height_m": 27.35,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "review": [],
  "extent": [
   "descends_at_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_E4695-N2640.tif",
   "data/cache/at/bev-als_dtm_E4696-N2640.tif"
  ],
  "calculated_at": "2026-09-11T07:23:05+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": [
   "E4695-N2640",
   "E4696-N2640"
  ],
  "elevation_blocks": [
   "N2600000E4650000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sankt Andr\u00e4",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}