{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.6630, 15.4042)",
 "slug": "discovered-lane-46-6630-15-4042",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.900587708898684,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 108.0,
   "end_distance_m": 110.0,
   "start_elevation_m": 370.26260301643293,
   "end_elevation_m": 371.0806147706109,
   "min_gradient_pct": -0.9715135555751431,
   "suppressed_max_gradient_pct": 72.8036872417789,
   "suppressed_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 36.97845864043643,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 108.0,
   "end_distance_m": 111.0,
   "start_elevation_m": 370.26260301643293,
   "end_elevation_m": 371.371956775646,
   "min_gradient_pct": -0.04951381790950412,
   "suppressed_max_gradient_pct": 61.69405326829557,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.877262516217797,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 107.0,
   "end_distance_m": 112.0,
   "start_elevation_m": 370.0703596971267,
   "end_elevation_m": 371.5642228229376,
   "min_gradient_pct": 2.235990235360532,
   "suppressed_max_gradient_pct": 41.672227491995955,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.493297498975153,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 211.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 386.1864143711589,
   "end_elevation_m": 388.6357441210564,
   "min_gradient_pct": 4.774167204168975,
   "suppressed_max_gradient_pct": 25.835932494111944,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.45243923957156,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 332.0,
   "end_distance_m": 352.0,
   "start_elevation_m": 405.9077102364359,
   "end_elevation_m": 410.5981980843502,
   "min_gradient_pct": 5.250324618487525
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.27067198417194,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 324.0,
   "end_distance_m": 349.0,
   "start_elevation_m": 404.08884699343105,
   "end_elevation_m": 409.90651498947403,
   "min_gradient_pct": 6.017271288352276
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.992175924486787,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 317.0,
   "end_distance_m": 367.0,
   "start_elevation_m": 402.6584542553882,
   "end_elevation_m": 413.6545422176316,
   "min_gradient_pct": 7.536531555942247
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.21275160950819,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 301.0,
   "end_distance_m": 401.0,
   "start_elevation_m": 400.10964946492544,
   "end_elevation_m": 420.3224010744336,
   "min_gradient_pct": 9.20022135588141
  }
 ],
 "shape": {
  "ascent_concentration": 0.327,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 161.0,
  "shape_class": "sustained"
 },
 "length_m": 401.193551744967,
 "start_elevation_m": 358.583172157967,
 "end_elevation_m": 420.37059967040386,
 "endpoint_gain_m": 61.787427512436864,
 "overall_gradient_pct": 15.400902443146505,
 "accumulated_ascent_m": 61.82199470137209,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.877262516217797,
   "start_distance_m": 107.0,
   "end_distance_m": 112.0,
   "midpoint_distance_m": 109.5,
   "start_elevation_m": 370.0703596971267,
   "end_elevation_m": 371.5642228229376,
   "start_xy": [
    4734666.841727549,
    2631810.6959094084
   ],
   "end_xy": [
    4734662.46452971,
    2631808.2792714396
   ]
  },
  "max_10m": {
   "gradient_pct": 24.493297498975153,
   "start_distance_m": 211.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 216.0,
   "start_elevation_m": 386.1864143711589,
   "end_elevation_m": 388.6357441210564,
   "start_xy": [
    4734611.443381272,
    2631726.5477024238
   ],
   "end_xy": [
    4734604.97054957,
    2631718.92520613
   ]
  },
  "max_20m": {
   "gradient_pct": 23.45243923957156,
   "start_distance_m": 332.0,
   "end_distance_m": 352.0,
   "midpoint_distance_m": 342.0,
   "start_elevation_m": 405.9077102364359,
   "end_elevation_m": 410.5981980843502,
   "start_xy": [
    4734543.586046176,
    2631737.0601440645
   ],
   "end_xy": [
    4734535.781428738,
    2631755.474484852
   ]
  },
  "max_25m": {
   "gradient_pct": 23.27067198417194,
   "start_distance_m": 324.0,
   "end_distance_m": 349.0,
   "midpoint_distance_m": 336.5,
   "start_elevation_m": 404.08884699343105,
   "end_elevation_m": 409.90651498947403,
   "start_xy": [
    4734547.547991716,
    2631730.1519555305
   ],
   "end_xy": [
    4734536.952121354,
    2631752.712333734
   ]
  },
  "max_50m": {
   "gradient_pct": 21.992175924486787,
   "start_distance_m": 317.0,
   "end_distance_m": 367.0,
   "midpoint_distance_m": 342.0,
   "start_elevation_m": 402.6584542553882,
   "end_elevation_m": 413.6545422176316,
   "start_xy": [
    4734551.480526232,
    2631724.3609994533
   ],
   "end_xy": [
    4734527.299893388,
    2631767.7018684787
   ]
  },
  "max_100m": {
   "gradient_pct": 20.21275160950819,
   "start_distance_m": 301.0,
   "end_distance_m": 401.0,
   "midpoint_distance_m": 351.0,
   "start_elevation_m": 400.10964946492544,
   "end_elevation_m": 420.3224010744336,
   "start_xy": [
    4734560.471179273,
    2631711.1258954573
   ],
   "end_xy": [
    4734494.809600371,
    2631765.4561805907
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.235990235360532,
   "start_distance_m": 100.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 102.5,
   "start_elevation_m": 369.7724782681116,
   "end_elevation_m": 369.88427777987965,
   "start_xy": [
    4734672.969804525,
    2631814.0792025644
   ],
   "end_xy": [
    4734668.592606685,
    2631811.6625645957
   ]
  },
  "min_10m": {
   "gradient_pct": 4.774167204168975,
   "start_distance_m": 95.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 369.40686105946276,
   "end_elevation_m": 369.88427777987965,
   "start_xy": [
    4734677.347002366,
    2631816.4958405327
   ],
   "end_xy": [
    4734668.592606685,
    2631811.6625645957
   ]
  },
  "min_20m": {
   "gradient_pct": 5.250324618487525,
   "start_distance_m": 85.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 95.0,
   "start_elevation_m": 368.83421285618215,
   "end_elevation_m": 369.88427777987965,
   "start_xy": [
    4734685.839210593,
    2631821.7550232834
   ],
   "end_xy": [
    4734668.592606685,
    2631811.6625645957
   ]
  },
  "min_25m": {
   "gradient_pct": 6.017271288352276,
   "start_distance_m": 80.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 92.5,
   "start_elevation_m": 368.3799599577916,
   "end_elevation_m": 369.88427777987965,
   "start_xy": [
    4734689.968236383,
    2631824.5748009398
   ],
   "end_xy": [
    4734668.592606685,
    2631811.6625645957
   ]
  },
  "min_50m": {
   "gradient_pct": 7.536531555942247,
   "start_distance_m": 57.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 82.0,
   "start_elevation_m": 366.3020939191556,
   "end_elevation_m": 370.0703596971267,
   "start_xy": [
    4734708.52621114,
    2631837.818545563
   ],
   "end_xy": [
    4734666.841727549,
    2631810.6959094084
   ]
  },
  "min_100m": {
   "gradient_pct": 9.20022135588141,
   "start_distance_m": 7.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 57.0,
   "start_elevation_m": 360.8701383412453,
   "end_elevation_m": 370.0703596971267,
   "start_xy": [
    4734717.438986902,
    2631886.446870009
   ],
   "end_xy": [
    4734666.841727549,
    2631810.6959094084
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.900587708898684,
   "start_distance_m": 108.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 109.0,
   "start_elevation_m": 370.26260301643293,
   "end_elevation_m": 371.0806147706109,
   "start_xy": [
    4734665.966287982,
    2631810.2125818147
   ],
   "end_xy": [
    4734664.215408846,
    2631809.2459266274
   ]
  },
  "max_3m": {
   "gradient_pct": 36.97845864043643,
   "start_distance_m": 108.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 109.5,
   "start_elevation_m": 370.26260301643293,
   "end_elevation_m": 371.371956775646,
   "start_xy": [
    4734665.966287982,
    2631810.2125818147
   ],
   "end_xy": [
    4734663.339969277,
    2631808.7625990333
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.012,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.571,
   "obstruction_max_height_m": 24.68,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    4.0
   ]
  ],
  "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_E4734-N2631.tif"
  ],
  "calculated_at": "2026-09-11T07:20:09+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": [
   "E4734-N2631"
  ],
  "elevation_blocks": [
   "N2600000E4700000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Leutschach an der Weinstra\u00dfe",
  "county": "Steiermark",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}