{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.7959, 13.4761)",
 "slug": "discovered-lane-47-7959-13-4761",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.778029440673436,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 480.0,
   "end_distance_m": 482.0,
   "start_elevation_m": 581.3826526527905,
   "end_elevation_m": 582.198213241604,
   "min_gradient_pct": -5.908392438993815
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 40.11246138844626,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 479.0,
   "end_distance_m": 482.0,
   "start_elevation_m": 580.9948393999506,
   "end_elevation_m": 582.198213241604,
   "min_gradient_pct": -5.427301230558139
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 38.593476375892806,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 478.0,
   "end_distance_m": 483.0,
   "start_elevation_m": 580.6264140415846,
   "end_elevation_m": 582.5560878603792,
   "min_gradient_pct": -4.561083486548796
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 34.28959551876005,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 473.0,
   "end_distance_m": 483.0,
   "start_elevation_m": 579.1271283085032,
   "end_elevation_m": 582.5560878603792,
   "min_gradient_pct": -1.0525202365215591
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 33.01135661085311,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 463.0,
   "end_distance_m": 483.0,
   "start_elevation_m": 575.9538165382086,
   "end_elevation_m": 582.5560878603792,
   "min_gradient_pct": 6.551822877850668
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 32.61926885248067,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 458.0,
   "end_distance_m": 483.0,
   "start_elevation_m": 574.401270647259,
   "end_elevation_m": 582.5560878603792,
   "min_gradient_pct": 7.295057060749059
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 30.762475815406333,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 433.0,
   "end_distance_m": 483.0,
   "start_elevation_m": 567.174849952676,
   "end_elevation_m": 582.5560878603792,
   "min_gradient_pct": 9.571104614277829
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 27.9156629322473,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 395.0,
   "end_distance_m": 495.0,
   "start_elevation_m": 557.1966873799473,
   "end_elevation_m": 585.1123503121946,
   "min_gradient_pct": 13.285734042151716
  }
 ],
 "shape": {
  "ascent_concentration": 0.336,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 546.0,
  "shape_class": "sustained"
 },
 "length_m": 651.3265444548852,
 "start_elevation_m": 492.21911965439165,
 "end_elevation_m": 608.491756667058,
 "endpoint_gain_m": 116.27263701266634,
 "overall_gradient_pct": 17.851665651056557,
 "accumulated_ascent_m": 116.55709360618619,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 38.593476375892806,
   "start_distance_m": 478.0,
   "end_distance_m": 483.0,
   "midpoint_distance_m": 480.5,
   "start_elevation_m": 580.6264140415846,
   "end_elevation_m": 582.5560878603792,
   "start_xy": [
    4581673.336449116,
    2748679.6868733848
   ],
   "end_xy": [
    4581668.353321191,
    2748679.2764637293
   ]
  },
  "max_10m": {
   "gradient_pct": 34.28959551876005,
   "start_distance_m": 473.0,
   "end_distance_m": 483.0,
   "midpoint_distance_m": 478.0,
   "start_elevation_m": 579.1271283085032,
   "end_elevation_m": 582.5560878603792,
   "start_xy": [
    4581677.687213973,
    2748681.821607832
   ],
   "end_xy": [
    4581668.353321191,
    2748679.2764637293
   ]
  },
  "max_20m": {
   "gradient_pct": 33.01135661085311,
   "start_distance_m": 463.0,
   "end_distance_m": 483.0,
   "midpoint_distance_m": 473.0,
   "start_elevation_m": 575.9538165382086,
   "end_elevation_m": 582.5560878603792,
   "start_xy": [
    4581685.821182873,
    2748687.638699023
   ],
   "end_xy": [
    4581668.353321191,
    2748679.2764637293
   ]
  },
  "max_25m": {
   "gradient_pct": 32.61926885248067,
   "start_distance_m": 458.0,
   "end_distance_m": 483.0,
   "midpoint_distance_m": 470.5,
   "start_elevation_m": 574.401270647259,
   "end_elevation_m": 582.5560878603792,
   "start_xy": [
    4581689.938384383,
    2748690.4756559604
   ],
   "end_xy": [
    4581668.353321191,
    2748679.2764637293
   ]
  },
  "max_50m": {
   "gradient_pct": 30.762475815406333,
   "start_distance_m": 433.0,
   "end_distance_m": 483.0,
   "midpoint_distance_m": 458.0,
   "start_elevation_m": 567.174849952676,
   "end_elevation_m": 582.5560878603792,
   "start_xy": [
    4581710.73653105,
    2748704.331525857
   ],
   "end_xy": [
    4581668.353321191,
    2748679.2764637293
   ]
  },
  "max_100m": {
   "gradient_pct": 27.9156629322473,
   "start_distance_m": 395.0,
   "end_distance_m": 495.0,
   "midpoint_distance_m": 445.0,
   "start_elevation_m": 557.1966873799473,
   "end_elevation_m": 585.1123503121946,
   "start_xy": [
    4581743.403475543,
    2748723.74260115
   ],
   "end_xy": [
    4581656.391759126,
    2748678.319806962
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.561083486548796,
   "start_distance_m": 634.0,
   "end_distance_m": 639.0,
   "midpoint_distance_m": 636.5,
   "start_elevation_m": 607.0961857182776,
   "end_elevation_m": 606.8681315439502,
   "start_xy": [
    4581523.055913564,
    2748664.735270104
   ],
   "end_xy": [
    4581518.357944616,
    2748666.446727894
   ]
  },
  "min_10m": {
   "gradient_pct": -1.0525202365215591,
   "start_distance_m": 631.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 636.0,
   "start_elevation_m": 607.0207575907259,
   "end_elevation_m": 606.9155055670738,
   "start_xy": [
    4581525.874694932,
    2748663.70839543
   ],
   "end_xy": [
    4581516.478757037,
    2748667.13131101
   ]
  },
  "min_20m": {
   "gradient_pct": 6.551822877850668,
   "start_distance_m": 621.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 631.0,
   "start_elevation_m": 605.6051409915036,
   "end_elevation_m": 606.9155055670738,
   "start_xy": [
    4581535.270632828,
    2748660.2854798497
   ],
   "end_xy": [
    4581516.478757037,
    2748667.13131101
   ]
  },
  "min_25m": {
   "gradient_pct": 7.295057060749059,
   "start_distance_m": 615.0,
   "end_distance_m": 640.0,
   "midpoint_distance_m": 627.5,
   "start_elevation_m": 605.0303682299478,
   "end_elevation_m": 606.8541324951351,
   "start_xy": [
    4581540.9081955645,
    2748658.2317305016
   ],
   "end_xy": [
    4581517.418350826,
    2748666.789019452
   ]
  },
  "min_50m": {
   "gradient_pct": 9.571104614277829,
   "start_distance_m": 598.0,
   "end_distance_m": 648.0,
   "midpoint_distance_m": 623.0,
   "start_elevation_m": 603.2487847743184,
   "end_elevation_m": 608.0343370814574,
   "start_xy": [
    4581556.881289986,
    2748652.4127740157
   ],
   "end_xy": [
    4581509.90160051,
    2748669.527351916
   ]
  },
  "min_100m": {
   "gradient_pct": 13.285734042151716,
   "start_distance_m": 541.0,
   "end_distance_m": 641.0,
   "midpoint_distance_m": 591.0,
   "start_elevation_m": 593.629771524922,
   "end_elevation_m": 606.9155055670738,
   "start_xy": [
    4581611.801077859,
    2748667.602431071
   ],
   "end_xy": [
    4581516.478757037,
    2748667.13131101
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.778029440673436,
   "start_distance_m": 480.0,
   "end_distance_m": 482.0,
   "midpoint_distance_m": 481.0,
   "start_elevation_m": 581.3826526527905,
   "end_elevation_m": 582.198213241604,
   "start_xy": [
    4581671.3431979455,
    2748679.5227095224
   ],
   "end_xy": [
    4581669.3499467755,
    2748679.3585456605
   ]
  },
  "max_3m": {
   "gradient_pct": 40.11246138844626,
   "start_distance_m": 479.0,
   "end_distance_m": 482.0,
   "midpoint_distance_m": 480.5,
   "start_elevation_m": 580.9948393999506,
   "end_elevation_m": 582.198213241604,
   "start_xy": [
    4581672.339823531,
    2748679.6047914536
   ],
   "end_xy": [
    4581669.3499467755,
    2748679.3585456605
   ]
  }
 },
 "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": 0.489,
   "obstruction_max_height_m": 28.48,
   "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_E4581-N2748.tif",
   "data/cache/at/bev-als_dtm_E4581-N2749.tif"
  ],
  "calculated_at": "2026-09-11T15:56:51+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-run2-260911",
  "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": [
   "E4581-N2748",
   "E4581-N2749"
  ],
  "elevation_blocks": [
   "N2700000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sankt Gilgen",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}