{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.9102, 13.7459)",
 "slug": "discovered-lane-47-9102-13-7459",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.06426860500983,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 49.0,
   "end_distance_m": 51.0,
   "start_elevation_m": 764.2961127990367,
   "end_elevation_m": 764.7373981711369,
   "min_gradient_pct": -3.51138290061499
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.767054609279057,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 49.0,
   "end_distance_m": 52.0,
   "start_elevation_m": 764.2961127990367,
   "end_elevation_m": 764.949124437315,
   "min_gradient_pct": -3.374340882373872
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.43024646444246,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 47.0,
   "end_distance_m": 52.0,
   "start_elevation_m": 763.8776121140929,
   "end_elevation_m": 764.949124437315,
   "min_gradient_pct": -2.928753695505293
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.779581883256242,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "start_elevation_m": 763.672283213711,
   "end_elevation_m": 765.7502414020366,
   "min_gradient_pct": -1.9108999385628067
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.358828791281667,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 45.0,
   "end_distance_m": 65.0,
   "start_elevation_m": 763.4778256449497,
   "end_elevation_m": 767.549591403206,
   "min_gradient_pct": -0.14374600453663788
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.121502957270877,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 46.0,
   "end_distance_m": 71.0,
   "start_elevation_m": 763.672283213711,
   "end_elevation_m": 768.7026589530287,
   "min_gradient_pct": 0.39610625153227375
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.667520048270262,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 31.0,
   "end_distance_m": 81.0,
   "start_elevation_m": 760.7998418170822,
   "end_elevation_m": 770.6336018412173,
   "min_gradient_pct": 0.8730393137061583
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.17198041738982,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 20.0,
   "end_distance_m": 120.0,
   "start_elevation_m": 758.9598173782601,
   "end_elevation_m": 777.13179779565,
   "min_gradient_pct": 3.390393079708474
  }
 ],
 "shape": {
  "ascent_concentration": 0.364,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 254.0,
  "shape_class": "sustained"
 },
 "length_m": 642.4004343335898,
 "start_elevation_m": 757.4548494133253,
 "end_elevation_m": 827.7498403954919,
 "endpoint_gain_m": 70.29499098216661,
 "overall_gradient_pct": 10.942550351026595,
 "accumulated_ascent_m": 70.57131453998159,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.43024646444246,
   "start_distance_m": 47.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 49.5,
   "start_elevation_m": 763.8776121140929,
   "end_elevation_m": 764.949124437315,
   "start_xy": [
    4601026.585424559,
    2762434.7500806456
   ],
   "end_xy": [
    4601027.69544062,
    2762429.8748509744
   ]
  },
  "max_10m": {
   "gradient_pct": 20.779581883256242,
   "start_distance_m": 46.0,
   "end_distance_m": 56.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 763.672283213711,
   "end_elevation_m": 765.7502414020366,
   "start_xy": [
    4601026.363421347,
    2762435.72512658
   ],
   "end_xy": [
    4601028.583453468,
    2762425.9746672376
   ]
  },
  "max_20m": {
   "gradient_pct": 20.358828791281667,
   "start_distance_m": 45.0,
   "end_distance_m": 65.0,
   "midpoint_distance_m": 55.0,
   "start_elevation_m": 763.4778256449497,
   "end_elevation_m": 767.549591403206,
   "start_xy": [
    4601026.141418135,
    2762436.7001725137
   ],
   "end_xy": [
    4601030.581482378,
    2762417.19925383
   ]
  },
  "max_25m": {
   "gradient_pct": 20.121502957270877,
   "start_distance_m": 46.0,
   "end_distance_m": 71.0,
   "midpoint_distance_m": 58.5,
   "start_elevation_m": 763.672283213711,
   "end_elevation_m": 768.7026589530287,
   "start_xy": [
    4601026.363421347,
    2762435.72512658
   ],
   "end_xy": [
    4601032.36803764,
    2762411.5023207376
   ]
  },
  "max_50m": {
   "gradient_pct": 19.667520048270262,
   "start_distance_m": 31.0,
   "end_distance_m": 81.0,
   "midpoint_distance_m": 56.0,
   "start_elevation_m": 760.7998418170822,
   "end_elevation_m": 770.6336018412173,
   "start_xy": [
    4601022.182768812,
    2762450.1173854177
   ],
   "end_xy": [
    4601036.508300642,
    2762402.3996715476
   ]
  },
  "max_100m": {
   "gradient_pct": 18.17198041738982,
   "start_distance_m": 20.0,
   "end_distance_m": 120.0,
   "midpoint_distance_m": 70.0,
   "start_elevation_m": 758.9598173782601,
   "end_elevation_m": 777.13179779565,
   "start_xy": [
    4601018.808258682,
    2762460.586992926
   ],
   "end_xy": [
    4601048.178202342,
    2762365.433982305
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.928753695505293,
   "start_distance_m": 493.0,
   "end_distance_m": 498.0,
   "midpoint_distance_m": 495.5,
   "start_elevation_m": 821.7589166340501,
   "end_elevation_m": 821.6124789492749,
   "start_xy": [
    4600909.91143741,
    2762034.7100576437
   ],
   "end_xy": [
    4600914.141924263,
    2762032.044915811
   ]
  },
  "min_10m": {
   "gradient_pct": -1.9108999385628067,
   "start_distance_m": 493.0,
   "end_distance_m": 503.0,
   "midpoint_distance_m": 498.0,
   "start_elevation_m": 821.7589166340501,
   "end_elevation_m": 821.5678266401939,
   "start_xy": [
    4600909.91143741,
    2762034.7100576437
   ],
   "end_xy": [
    4600918.923487731,
    2762031.9932040256
   ]
  },
  "min_20m": {
   "gradient_pct": -0.14374600453663788,
   "start_distance_m": 486.0,
   "end_distance_m": 506.0,
   "midpoint_distance_m": 496.0,
   "start_elevation_m": 821.5912830276671,
   "end_elevation_m": 821.5625338267598,
   "start_xy": [
    4600914.543551502,
    2762039.5489292974
   ],
   "end_xy": [
    4600921.63380582,
    2762033.2793517066
   ]
  },
  "min_25m": {
   "gradient_pct": 0.39610625153227375,
   "start_distance_m": 590.0,
   "end_distance_m": 615.0,
   "midpoint_distance_m": 602.5,
   "start_elevation_m": 827.2128307213954,
   "end_elevation_m": 827.3118572842785,
   "start_xy": [
    4600983.647990236,
    2762034.945471189
   ],
   "end_xy": [
    4600963.077554712,
    2762020.737825982
   ]
  },
  "min_50m": {
   "gradient_pct": 0.8730393137061583,
   "start_distance_m": 583.0,
   "end_distance_m": 633.0,
   "midpoint_distance_m": 608.0,
   "start_elevation_m": 827.1534955030661,
   "end_elevation_m": 827.5900151599192,
   "start_xy": [
    4600988.851539027,
    2762039.395938443
   ],
   "end_xy": [
    4600948.266841134,
    2762010.5083214324
   ]
  },
  "min_100m": {
   "gradient_pct": 3.390393079708474,
   "start_distance_m": 542.0,
   "end_distance_m": 642.0,
   "midpoint_distance_m": 592.0,
   "start_elevation_m": 824.3753758308956,
   "end_elevation_m": 827.765768910604,
   "start_xy": [
    4600954.088635214,
    2762048.8574942783
   ],
   "end_xy": [
    4600940.861484345,
    2762005.393569158
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.06426860500983,
   "start_distance_m": 49.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 764.2961127990367,
   "end_elevation_m": 764.7373981711369,
   "start_xy": [
    4601027.029430984,
    2762432.799988777
   ],
   "end_xy": [
    4601027.473437408,
    2762430.8498969087
   ]
  },
  "max_3m": {
   "gradient_pct": 21.767054609279057,
   "start_distance_m": 49.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 50.5,
   "start_elevation_m": 764.2961127990367,
   "end_elevation_m": 764.949124437315,
   "start_xy": [
    4601027.029430984,
    2762432.799988777
   ],
   "end_xy": [
    4601027.69544062,
    2762429.8748509744
   ]
  }
 },
 "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": 0.175,
   "obstruction_max_height_m": 22.17,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "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_E4600-N2761.tif",
   "data/cache/at/bev-als_dtm_E4600-N2762.tif",
   "data/cache/at/bev-als_dtm_E4601-N2761.tif",
   "data/cache/at/bev-als_dtm_E4601-N2762.tif"
  ],
  "calculated_at": "2026-09-11T07:11:42+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": [
   "E4600-N2761",
   "E4600-N2762",
   "E4601-N2761",
   "E4601-N2762"
  ],
  "elevation_blocks": [
   "N2750000E4600000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Altm\u00fcnster",
  "county": "Ober\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}