{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (48.0138, 15.4095)",
 "slug": "discovered-lane-48-0138-15-4095",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 19.167931889114698,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 936.0,
   "end_distance_m": 938.0,
   "start_elevation_m": 458.02494825370877,
   "end_elevation_m": 458.40830689149107,
   "min_gradient_pct": -0.7220351615757181
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 19.012589730292955,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 936.0,
   "end_distance_m": 939.0,
   "start_elevation_m": 458.02494825370877,
   "end_elevation_m": 458.59532594561756,
   "min_gradient_pct": -0.35178919982854495
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 18.297239833983667,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 934.0,
   "end_distance_m": 939.0,
   "start_elevation_m": 457.6804639539184,
   "end_elevation_m": 458.59532594561756,
   "min_gradient_pct": 0.5267027182196671
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.23809823144279,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 935.0,
   "end_distance_m": 945.0,
   "start_elevation_m": 457.8390723601783,
   "end_elevation_m": 459.5628821833226,
   "min_gradient_pct": 1.025656989668846
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.874052692777468,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1604.0,
   "end_distance_m": 1624.0,
   "start_elevation_m": 548.1633861899268,
   "end_elevation_m": 551.5381967284823,
   "min_gradient_pct": 1.9465089624733878
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.71571510469539,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1599.0,
   "end_distance_m": 1624.0,
   "start_elevation_m": 547.3592679523084,
   "end_elevation_m": 551.5381967284823,
   "min_gradient_pct": 2.076154770025596
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.439453180194278,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1574.0,
   "end_distance_m": 1624.0,
   "start_elevation_m": 543.3184701383851,
   "end_elevation_m": 551.5381967284823,
   "min_gradient_pct": 2.3338626267665177
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.978628434009124,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1525.0,
   "end_distance_m": 1625.0,
   "start_elevation_m": 535.7048245337007,
   "end_elevation_m": 551.6834529677099,
   "min_gradient_pct": 2.5149371390705255
  }
 ],
 "shape": {
  "ascent_concentration": 0.364,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 498.0,
  "shape_class": "sustained"
 },
 "length_m": 2025.735809216597,
 "start_elevation_m": 394.20144790039416,
 "end_elevation_m": 598.3859336629025,
 "endpoint_gain_m": 204.18448576250836,
 "overall_gradient_pct": 10.079521961033588,
 "accumulated_ascent_m": 204.2064145339353,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 18.297239833983667,
   "start_distance_m": 934.0,
   "end_distance_m": 939.0,
   "midpoint_distance_m": 936.5,
   "start_elevation_m": 457.6804639539184,
   "end_elevation_m": 458.59532594561756,
   "start_xy": [
    4724328.012888505,
    2781452.4177892962
   ],
   "end_xy": [
    4724332.979125826,
    2781452.9978641854
   ]
  },
  "max_10m": {
   "gradient_pct": 17.23809823144279,
   "start_distance_m": 935.0,
   "end_distance_m": 945.0,
   "midpoint_distance_m": 940.0,
   "start_elevation_m": 457.8390723601783,
   "end_elevation_m": 459.5628821833226,
   "start_xy": [
    4724329.0061359685,
    2781452.533804274
   ],
   "end_xy": [
    4724338.806030733,
    2781454.337852244
   ]
  },
  "max_20m": {
   "gradient_pct": 16.874052692777468,
   "start_distance_m": 1604.0,
   "end_distance_m": 1624.0,
   "midpoint_distance_m": 1614.0,
   "start_elevation_m": 548.1633861899268,
   "end_elevation_m": 551.5381967284823,
   "start_xy": [
    4724797.533020715,
    2781524.199797675
   ],
   "end_xy": [
    4724817.286067611,
    2781526.056859584
   ]
  },
  "max_25m": {
   "gradient_pct": 16.71571510469539,
   "start_distance_m": 1599.0,
   "end_distance_m": 1624.0,
   "midpoint_distance_m": 1611.5,
   "start_elevation_m": 547.3592679523084,
   "end_elevation_m": 551.5381967284823,
   "start_xy": [
    4724792.687044633,
    2781522.968328714
   ],
   "end_xy": [
    4724817.286067611,
    2781526.056859584
   ]
  },
  "max_50m": {
   "gradient_pct": 16.439453180194278,
   "start_distance_m": 1574.0,
   "end_distance_m": 1624.0,
   "midpoint_distance_m": 1599.0,
   "start_elevation_m": 543.3184701383851,
   "end_elevation_m": 551.5381967284823,
   "start_xy": [
    4724768.457164217,
    2781516.810983909
   ],
   "end_xy": [
    4724817.286067611,
    2781526.056859584
   ]
  },
  "max_100m": {
   "gradient_pct": 15.978628434009124,
   "start_distance_m": 1525.0,
   "end_distance_m": 1625.0,
   "midpoint_distance_m": 1575.0,
   "start_elevation_m": 535.7048245337007,
   "end_elevation_m": 551.6834529677099,
   "start_xy": [
    4724720.616229626,
    2781506.2222515624
   ],
   "end_xy": [
    4724818.286023167,
    2781526.0474316883
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.5267027182196671,
   "start_distance_m": 1013.0,
   "end_distance_m": 1018.0,
   "midpoint_distance_m": 1015.5,
   "start_elevation_m": 468.09392871465644,
   "end_elevation_m": 468.1202638505674,
   "start_xy": [
    4724403.421797133,
    2781465.1822471656
   ],
   "end_xy": [
    4724402.377241536,
    2781469.756246864
   ]
  },
  "min_10m": {
   "gradient_pct": 1.025656989668846,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 394.20144790039416,
   "end_elevation_m": 394.30401359936104,
   "start_xy": [
    4723509.144,
    2781431.67
   ],
   "end_xy": [
    4723518.0577855855,
    2781427.16039883
   ]
  },
  "min_20m": {
   "gradient_pct": 1.9465089624733878,
   "start_distance_m": 150.0,
   "end_distance_m": 170.0,
   "midpoint_distance_m": 160.0,
   "start_elevation_m": 399.9392254088964,
   "end_elevation_m": 400.32852720139107,
   "start_xy": [
    4723633.046241704,
    2781352.2318750336
   ],
   "end_xy": [
    4723649.255157765,
    2781340.658723731
   ]
  },
  "min_25m": {
   "gradient_pct": 2.076154770025596,
   "start_distance_m": 149.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 161.5,
   "start_elevation_m": 399.9153724730582,
   "end_elevation_m": 400.4344111655646,
   "start_xy": [
    4723632.34306778,
    2781352.942892919
   ],
   "end_xy": [
    4723652.843564819,
    2781338.891427827
   ]
  },
  "min_50m": {
   "gradient_pct": 2.3338626267665177,
   "start_distance_m": 140.0,
   "end_distance_m": 190.0,
   "midpoint_distance_m": 165.0,
   "start_elevation_m": 399.666899579899,
   "end_elevation_m": 400.83383089328225,
   "start_xy": [
    4723626.0145024685,
    2781359.342053887
   ],
   "end_xy": [
    4723667.197193036,
    2781331.8222442106
   ]
  },
  "min_100m": {
   "gradient_pct": 2.5149371390705255,
   "start_distance_m": 137.0,
   "end_distance_m": 237.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 399.5850838646702,
   "end_elevation_m": 402.1000210037407,
   "start_xy": [
    4723623.904980698,
    2781361.4751075427
   ],
   "end_xy": [
    4723709.879507578,
    2781312.2095056134
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 19.167931889114698,
   "start_distance_m": 936.0,
   "end_distance_m": 938.0,
   "midpoint_distance_m": 937.0,
   "start_elevation_m": 458.02494825370877,
   "end_elevation_m": 458.40830689149107,
   "start_xy": [
    4724329.999383433,
    2781452.649819252
   ],
   "end_xy": [
    4724331.985878361,
    2781452.8818492074
   ]
  },
  "max_3m": {
   "gradient_pct": 19.012589730292955,
   "start_distance_m": 936.0,
   "end_distance_m": 939.0,
   "midpoint_distance_m": 937.5,
   "start_elevation_m": 458.02494825370877,
   "end_elevation_m": 458.59532594561756,
   "start_xy": [
    4724329.999383433,
    2781452.649819252
   ],
   "end_xy": [
    4724332.979125826,
    2781452.9978641854
   ]
  }
 },
 "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": 0.047,
   "obstruction_max_height_m": 12.04,
   "flagged_windows_m": [
    20,
    25,
    50,
    100
   ]
  },
  "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_E4723-N2781.tif",
   "data/cache/at/bev-als_dtm_E4724-N2781.tif",
   "data/cache/at/bev-als_dtm_E4725-N2781.tif"
  ],
  "calculated_at": "2026-09-11T07:13:00+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": [
   "E4723-N2781",
   "E4724-N2781",
   "E4725-N2781"
  ],
  "elevation_blocks": [
   "N2750000E4700000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Kirchberg an der Pielach",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}