{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.8021, 14.8365)",
 "slug": "discovered-lane-47-8021-14-8365",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.25812769107779,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 217.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 668.3058576162674,
   "end_elevation_m": 668.991020170089,
   "min_gradient_pct": 8.707177455653436
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.047633362556706,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 216.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 668.1495911692123,
   "end_elevation_m": 668.991020170089,
   "min_gradient_pct": 9.211180821845725
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.047267687654767,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 256.0,
   "end_distance_m": 261.0,
   "start_elevation_m": 676.0980642968154,
   "end_elevation_m": 677.2504276811982,
   "min_gradient_pct": 9.488080045741754
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.696193020269448,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 251.0,
   "end_distance_m": 261.0,
   "start_elevation_m": 675.0808083791712,
   "end_elevation_m": 677.2504276811982,
   "min_gradient_pct": 10.08589543975404
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.939250327227796,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 240.0,
   "end_distance_m": 260.0,
   "start_elevation_m": 672.836698339146,
   "end_elevation_m": 677.0245484045915,
   "min_gradient_pct": 10.589323078244206
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.543176271437005,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 239.0,
   "end_distance_m": 264.0,
   "start_elevation_m": 672.6447508781678,
   "end_elevation_m": 677.780544946027,
   "min_gradient_pct": 10.807387804403334
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.095986602363155,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 239.0,
   "end_distance_m": 289.0,
   "start_elevation_m": 672.6447508781678,
   "end_elevation_m": 682.6927441793493,
   "min_gradient_pct": 12.09658666663131
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.089938029512155,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 200.0,
   "end_distance_m": 300.0,
   "start_elevation_m": 665.4808477879916,
   "end_elevation_m": 684.5707858175037,
   "min_gradient_pct": 13.322589555349623
  }
 ],
 "shape": {
  "ascent_concentration": 0.304,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 311.0,
  "shape_class": "sustained"
 },
 "length_m": 311.4000000001701,
 "start_elevation_m": 635.5861823864129,
 "end_elevation_m": 686.4782498767265,
 "endpoint_gain_m": 50.89206749031359,
 "overall_gradient_pct": 16.3429889178824,
 "accumulated_ascent_m": 50.89206749031359,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.047267687654767,
   "start_distance_m": 256.0,
   "end_distance_m": 261.0,
   "midpoint_distance_m": 258.5,
   "start_elevation_m": 676.0980642968154,
   "end_elevation_m": 677.2504276811982,
   "start_xy": [
    4683189.296090524,
    2755215.45687736
   ],
   "end_xy": [
    4683191.475985891,
    2755210.957093344
   ]
  },
  "max_10m": {
   "gradient_pct": 21.696193020269448,
   "start_distance_m": 251.0,
   "end_distance_m": 261.0,
   "midpoint_distance_m": 256.0,
   "start_elevation_m": 675.0808083791712,
   "end_elevation_m": 677.2504276811982,
   "start_xy": [
    4683187.116195156,
    2755219.9566613757
   ],
   "end_xy": [
    4683191.475985891,
    2755210.957093344
   ]
  },
  "max_20m": {
   "gradient_pct": 20.939250327227796,
   "start_distance_m": 240.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 672.836698339146,
   "end_elevation_m": 677.0245484045915,
   "start_xy": [
    4683182.321235446,
    2755229.8565782076
   ],
   "end_xy": [
    4683191.040006817,
    2755211.8570501474
   ]
  },
  "max_25m": {
   "gradient_pct": 20.543176271437005,
   "start_distance_m": 239.0,
   "end_distance_m": 264.0,
   "midpoint_distance_m": 251.5,
   "start_elevation_m": 672.6447508781678,
   "end_elevation_m": 677.780544946027,
   "start_xy": [
    4683181.885256372,
    2755230.7565350104
   ],
   "end_xy": [
    4683192.783113012,
    2755208.256830937
   ]
  },
  "max_50m": {
   "gradient_pct": 20.095986602363155,
   "start_distance_m": 239.0,
   "end_distance_m": 289.0,
   "midpoint_distance_m": 264.0,
   "start_elevation_m": 672.6447508781678,
   "end_elevation_m": 682.6927441793493,
   "start_xy": [
    4683181.885256372,
    2755230.7565350104
   ],
   "end_xy": [
    4683204.18133555,
    2755186.0427487767
   ]
  },
  "max_100m": {
   "gradient_pct": 19.089938029512155,
   "start_distance_m": 200.0,
   "end_distance_m": 300.0,
   "midpoint_distance_m": 250.0,
   "start_elevation_m": 665.4808477879916,
   "end_elevation_m": 684.5707858175037,
   "start_xy": [
    4683165.679225328,
    2755266.214532426
   ],
   "end_xy": [
    4683211.202325102,
    2755177.6411903217
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 9.488080045741754,
   "start_distance_m": 21.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 23.5,
   "start_elevation_m": 638.0400617912815,
   "end_elevation_m": 638.5144657935685,
   "start_xy": [
    4683086.282658479,
    2755424.8913602005
   ],
   "end_xy": [
    4683087.855694523,
    2755420.1452512667
   ]
  },
  "min_10m": {
   "gradient_pct": 10.08589543975404,
   "start_distance_m": 17.0,
   "end_distance_m": 27.0,
   "midpoint_distance_m": 22.0,
   "start_elevation_m": 637.6171430669451,
   "end_elevation_m": 638.6257326109205,
   "start_xy": [
    4683085.02396295,
    2755428.6881592376
   ],
   "end_xy": [
    4683088.170035338,
    2755419.195941155
   ]
  },
  "min_20m": {
   "gradient_pct": 10.589323078244206,
   "start_distance_m": 12.0,
   "end_distance_m": 32.0,
   "midpoint_distance_m": 22.0,
   "start_elevation_m": 637.0516968705351,
   "end_elevation_m": 639.169561486184,
   "start_xy": [
    4683084.771876111,
    2755433.570868339
   ],
   "end_xy": [
    4683089.743071485,
    2755414.449832255
   ]
  },
  "min_25m": {
   "gradient_pct": 10.807387804403334,
   "start_distance_m": 9.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 21.5,
   "start_elevation_m": 636.6880030855172,
   "end_elevation_m": 639.389850036618,
   "start_xy": [
    4683085.177576261,
    2755436.5433093715
   ],
   "end_xy": [
    4683090.372613227,
    2755412.551496968
   ]
  },
  "min_50m": {
   "gradient_pct": 12.09658666663131,
   "start_distance_m": 2.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 27.0,
   "start_elevation_m": 635.8534436285923,
   "end_elevation_m": 641.901736961908,
   "start_xy": [
    4683086.122785065,
    2755443.4791999976
   ],
   "end_xy": [
    4683096.624257924,
    2755395.7458689664
   ]
  },
  "min_100m": {
   "gradient_pct": 13.322589555349623,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 635.5861823864129,
   "end_elevation_m": 648.9087719417626,
   "start_xy": [
    4683086.392847637,
    2755445.460882664
   ],
   "end_xy": [
    4683123.761680185,
    2755356.171239955
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.25812769107779,
   "start_distance_m": 217.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 218.0,
   "start_elevation_m": 668.3058576162674,
   "end_elevation_m": 668.991020170089,
   "start_xy": [
    4683172.511452097,
    2755250.6594490632
   ],
   "end_xy": [
    4683173.361216089,
    2755248.8489516233
   ]
  },
  "max_3m": {
   "gradient_pct": 28.047633362556706,
   "start_distance_m": 216.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 217.5,
   "start_elevation_m": 668.1495911692123,
   "end_elevation_m": 668.991020170089,
   "start_xy": [
    4683172.086377703,
    2755251.5646074796
   ],
   "end_xy": [
    4683173.361216089,
    2755248.8489516233
   ]
  }
 },
 "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": 0.492,
   "obstruction_max_height_m": 19.53,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_E4682-N2754.tif",
   "data/cache/at/bev-als_dtm_E4682-N2755.tif",
   "data/cache/at/bev-als_dtm_E4683-N2754.tif",
   "data/cache/at/bev-als_dtm_E4683-N2755.tif"
  ],
  "calculated_at": "2026-09-11T18:56:40+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-extent-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": [
   "E4682-N2754",
   "E4682-N2755",
   "E4683-N2754",
   "E4683-N2755"
  ],
  "elevation_blocks": [
   "N2750000E4650000@2022-09-15"
  ],
  "route_base_cut_m": 50.2,
  "route_cut_m": 311.4,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hollenstein an der Ybbs",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}