{
 "ocl_version": "0.1.0",
 "name": "Laaben",
 "slug": "laaben",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.26998814527701,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1947.0,
   "end_distance_m": 1949.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 543.3605208107955,
   "min_gradient_pct": -1.159995761165078
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.177511023189407,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1948.0,
   "end_distance_m": 1951.0,
   "start_elevation_m": 543.0462648973227,
   "end_elevation_m": 543.7715902280183,
   "min_gradient_pct": -0.4526382789568591
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.48391028022388,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1947.0,
   "end_distance_m": 1952.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 543.9293165619011,
   "min_gradient_pct": 0.15623101284063523
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.502828266421147,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1947.0,
   "end_distance_m": 1957.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 544.7054038745321,
   "min_gradient_pct": 0.7132818314056522
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.06638795981098,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1947.0,
   "end_distance_m": 1967.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 546.0683986398521,
   "min_gradient_pct": 0.9895457682637243
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.306014108081854,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1947.0,
   "end_distance_m": 1972.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 546.6816245749104,
   "min_gradient_pct": 1.0302426442758588
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.118128029451327,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1947.0,
   "end_distance_m": 1997.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 549.9141850626156,
   "min_gradient_pct": 1.1878051023529679
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.534124514826544,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 835.0,
   "end_distance_m": 935.0,
   "start_elevation_m": 420.1599258209766,
   "end_elevation_m": 433.6940503358031,
   "min_gradient_pct": 1.7774078765473291
  }
 ],
 "shape": {
  "ascent_concentration": 0.319,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 544.0,
  "shape_class": "sustained"
 },
 "length_m": 2155.6352471253253,
 "start_elevation_m": 350.74147346496846,
 "end_elevation_m": 566.9355475840982,
 "endpoint_gain_m": 216.19407411912977,
 "overall_gradient_pct": 10.029251210632138,
 "accumulated_ascent_m": 216.26828904778512,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.48391028022388,
   "start_distance_m": 1947.0,
   "end_distance_m": 1952.0,
   "midpoint_distance_m": 1949.5,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 543.9293165619011,
   "start_xy": [
    4760161.6136997845,
    2794028.9681661935
   ],
   "end_xy": [
    4760165.8262400925,
    2794026.3258702806
   ]
  },
  "max_10m": {
   "gradient_pct": 18.502828266421147,
   "start_distance_m": 1947.0,
   "end_distance_m": 1957.0,
   "midpoint_distance_m": 1952.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 544.7054038745321,
   "start_xy": [
    4760161.6136997845,
    2794028.9681661935
   ],
   "end_xy": [
    4760169.989787374,
    2794023.557319389
   ]
  },
  "max_20m": {
   "gradient_pct": 16.06638795981098,
   "start_distance_m": 1947.0,
   "end_distance_m": 1967.0,
   "midpoint_distance_m": 1957.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 546.0683986398521,
   "start_xy": [
    4760161.6136997845,
    2794028.9681661935
   ],
   "end_xy": [
    4760178.316881935,
    2794018.0202176054
   ]
  },
  "max_25m": {
   "gradient_pct": 15.306014108081854,
   "start_distance_m": 1947.0,
   "end_distance_m": 1972.0,
   "midpoint_distance_m": 1959.5,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 546.6816245749104,
   "start_xy": [
    4760161.6136997845,
    2794028.9681661935
   ],
   "end_xy": [
    4760181.99391597,
    2794014.8422582126
   ]
  },
  "max_50m": {
   "gradient_pct": 14.118128029451327,
   "start_distance_m": 1947.0,
   "end_distance_m": 1997.0,
   "midpoint_distance_m": 1972.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 549.9141850626156,
   "start_xy": [
    4760161.6136997845,
    2794028.9681661935
   ],
   "end_xy": [
    4760191.637490456,
    2793991.848928232
   ]
  },
  "max_100m": {
   "gradient_pct": 13.534124514826544,
   "start_distance_m": 835.0,
   "end_distance_m": 935.0,
   "midpoint_distance_m": 885.0,
   "start_elevation_m": 420.1599258209766,
   "end_elevation_m": 433.6940503358031,
   "start_xy": [
    4759221.050062942,
    2794276.7292277883
   ],
   "end_xy": [
    4759318.800102431,
    2794297.1693947557
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.15623101284063523,
   "start_distance_m": 148.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 150.5,
   "start_elevation_m": 354.55582670248054,
   "end_elevation_m": 354.5636382531226,
   "start_xy": [
    4758670.602920695,
    2794456.4998410083
   ],
   "end_xy": [
    4758671.373959943,
    2794451.60049088
   ]
  },
  "min_10m": {
   "gradient_pct": 0.7132818314056522,
   "start_distance_m": 179.0,
   "end_distance_m": 189.0,
   "midpoint_distance_m": 184.0,
   "start_elevation_m": 354.94647985425786,
   "end_elevation_m": 355.0178080373984,
   "start_xy": [
    4758672.946175497,
    2794425.6480753515
   ],
   "end_xy": [
    4758673.533787151,
    2794415.6653546533
   ]
  },
  "min_20m": {
   "gradient_pct": 0.9895457682637243,
   "start_distance_m": 169.0,
   "end_distance_m": 189.0,
   "midpoint_distance_m": 179.0,
   "start_elevation_m": 354.8198988837457,
   "end_elevation_m": 355.0178080373984,
   "start_xy": [
    4758672.345155384,
    2794435.629993724
   ],
   "end_xy": [
    4758673.533787151,
    2794415.6653546533
   ]
  },
  "min_25m": {
   "gradient_pct": 1.0302426442758588,
   "start_distance_m": 128.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 140.5,
   "start_elevation_m": 354.3060775920536,
   "end_elevation_m": 354.5636382531226,
   "start_xy": [
    4758664.207268573,
    2794475.449659845
   ],
   "end_xy": [
    4758671.373959943,
    2794451.60049088
   ]
  },
  "min_50m": {
   "gradient_pct": 1.1878051023529679,
   "start_distance_m": 139.0,
   "end_distance_m": 189.0,
   "midpoint_distance_m": 164.0,
   "start_elevation_m": 354.42390548622194,
   "end_elevation_m": 355.0178080373984,
   "start_xy": [
    4758667.72487724,
    2794465.027259485
   ],
   "end_xy": [
    4758673.533787151,
    2794415.6653546533
   ]
  },
  "min_100m": {
   "gradient_pct": 1.7774078765473291,
   "start_distance_m": 100.0,
   "end_distance_m": 200.0,
   "midpoint_distance_m": 150.0,
   "start_elevation_m": 353.4817224836751,
   "end_elevation_m": 355.25913036022246,
   "start_xy": [
    4758655.180921766,
    2794501.954764139
   ],
   "end_xy": [
    4758683.466336075,
    2794411.4933958002
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.26998814527701,
   "start_distance_m": 1947.0,
   "end_distance_m": 1949.0,
   "midpoint_distance_m": 1948.0,
   "start_elevation_m": 542.85512104789,
   "end_elevation_m": 543.3605208107955,
   "start_xy": [
    4760161.6136997845,
    2794028.9681661935
   ],
   "end_xy": [
    4760163.328111724,
    2794027.987000816
   ]
  },
  "max_3m": {
   "gradient_pct": 24.177511023189407,
   "start_distance_m": 1948.0,
   "end_distance_m": 1951.0,
   "midpoint_distance_m": 1949.5,
   "start_elevation_m": 543.0462648973227,
   "end_elevation_m": 543.7715902280183,
   "start_xy": [
    4760162.495402268,
    2794028.540710994
   ],
   "end_xy": [
    4760164.993530637,
    2794026.879580459
   ]
  }
 },
 "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": 0.133,
   "obstruction_max_height_m": 21.36,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50
   ]
  },
  "review": [],
  "extent": [
   "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_E4758-N2794.tif",
   "data/cache/at/bev-als_dtm_E4759-N2793.tif",
   "data/cache/at/bev-als_dtm_E4759-N2794.tif",
   "data/cache/at/bev-als_dtm_E4760-N2793.tif",
   "data/cache/at/bev-als_dtm_E4760-N2794.tif"
  ],
  "calculated_at": "2026-09-13T00:07:35+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": [
   "E4758-N2794",
   "E4759-N2793",
   "E4759-N2794",
   "E4760-N2793",
   "E4760-N2794"
  ],
  "elevation_blocks": [
   "N2750000E4750000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Brand-Laaben",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}