{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.4633, 15.8011)",
 "slug": "discovered-lane-47-4633-15-8011",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.09031531843857,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 180.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 866.1668622611917,
   "end_elevation_m": 866.6286685675605,
   "min_gradient_pct": -15.254531327997256
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.778640493640978,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 599.0,
   "end_distance_m": 602.0,
   "start_elevation_m": 924.4131972149651,
   "end_elevation_m": 925.0965564297743,
   "min_gradient_pct": -13.939816254852152
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.49008885282592,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 598.0,
   "end_distance_m": 603.0,
   "start_elevation_m": 924.1909705757541,
   "end_elevation_m": 925.3154750183954,
   "min_gradient_pct": -11.743473758656364
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.506836224866674,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 595.0,
   "end_distance_m": 605.0,
   "start_elevation_m": 923.5711645066074,
   "end_elevation_m": 925.721848129094,
   "min_gradient_pct": -3.4105402737418444
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.49112377588301,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 596.0,
   "end_distance_m": 616.0,
   "start_elevation_m": 923.7735399544205,
   "end_elevation_m": 927.8717647095971,
   "min_gradient_pct": 0.33625577042130317
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.643089658488407,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 596.0,
   "end_distance_m": 621.0,
   "start_elevation_m": 923.7735399544205,
   "end_elevation_m": 928.9343123690426,
   "min_gradient_pct": 0.5152989217040158
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.96581808898145,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 583.0,
   "end_distance_m": 633.0,
   "start_elevation_m": 921.3089588293979,
   "end_elevation_m": 931.2918678738886,
   "min_gradient_pct": 1.7064172350853823
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.982908342545556,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 585.0,
   "end_distance_m": 685.0,
   "start_elevation_m": 921.6730647922643,
   "end_elevation_m": 940.6559731348099,
   "min_gradient_pct": 4.68020777619256
  }
 ],
 "shape": {
  "ascent_concentration": 0.307,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 432.0,
  "shape_class": "sustained"
 },
 "length_m": 865.9803633006748,
 "start_elevation_m": 841.0307915351505,
 "end_elevation_m": 955.7490776635623,
 "endpoint_gain_m": 114.71828612841182,
 "overall_gradient_pct": 13.247215640221254,
 "accumulated_ascent_m": 115.37007657029642,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.49008885282592,
   "start_distance_m": 598.0,
   "end_distance_m": 603.0,
   "midpoint_distance_m": 600.5,
   "start_elevation_m": 924.1909705757541,
   "end_elevation_m": 925.3154750183954,
   "start_xy": [
    4758435.349347907,
    2722792.8519431897
   ],
   "end_xy": [
    4758439.963494367,
    2722794.7779889954
   ]
  },
  "max_10m": {
   "gradient_pct": 21.506836224866674,
   "start_distance_m": 595.0,
   "end_distance_m": 605.0,
   "midpoint_distance_m": 600.0,
   "start_elevation_m": 923.5711645066074,
   "end_elevation_m": 925.721848129094,
   "start_xy": [
    4758432.58897169,
    2722791.6785339504
   ],
   "end_xy": [
    4758441.809152951,
    2722795.548407318
   ]
  },
  "max_20m": {
   "gradient_pct": 20.49112377588301,
   "start_distance_m": 596.0,
   "end_distance_m": 616.0,
   "midpoint_distance_m": 606.0,
   "start_elevation_m": 923.7735399544205,
   "end_elevation_m": 927.8717647095971,
   "start_xy": [
    4758433.503689324,
    2722792.0815248676
   ],
   "end_xy": [
    4758451.960275163,
    2722799.7857080908
   ]
  },
  "max_25m": {
   "gradient_pct": 20.643089658488407,
   "start_distance_m": 596.0,
   "end_distance_m": 621.0,
   "midpoint_distance_m": 608.5,
   "start_elevation_m": 923.7735399544205,
   "end_elevation_m": 928.9343123690426,
   "start_xy": [
    4758433.503689324,
    2722792.0815248676
   ],
   "end_xy": [
    4758456.574421623,
    2722801.7117538964
   ]
  },
  "max_50m": {
   "gradient_pct": 19.96581808898145,
   "start_distance_m": 583.0,
   "end_distance_m": 633.0,
   "midpoint_distance_m": 608.0,
   "start_elevation_m": 921.3089588293979,
   "end_elevation_m": 931.2918678738886,
   "start_xy": [
    4758421.839145622,
    2722786.3455010867
   ],
   "end_xy": [
    4758467.648373127,
    2722806.3342638304
   ]
  },
  "max_100m": {
   "gradient_pct": 18.982908342545556,
   "start_distance_m": 585.0,
   "end_distance_m": 685.0,
   "midpoint_distance_m": 635.0,
   "start_elevation_m": 921.6730647922643,
   "end_elevation_m": 940.6559731348099,
   "start_xy": [
    4758423.630783301,
    2722787.2343398975
   ],
   "end_xy": [
    4758515.023998651,
    2722827.703801932
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.743473758656364,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 840.9990822007871,
   "end_elevation_m": 840.4119085128543,
   "start_xy": [
    4758015.855376737,
    2722565.3700486366
   ],
   "end_xy": [
    4758016.897260423,
    2722570.2602918195
   ]
  },
  "min_10m": {
   "gradient_pct": -3.4105402737418444,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 841.0307915351505,
   "end_elevation_m": 840.6897375077763,
   "start_xy": [
    4758015.647,
    2722564.392
   ],
   "end_xy": [
    4758018.100954795,
    2722574.0562104485
   ]
  },
  "min_20m": {
   "gradient_pct": 0.33625577042130317,
   "start_distance_m": 788.0,
   "end_distance_m": 808.0,
   "midpoint_distance_m": 798.0,
   "start_elevation_m": 951.9838567729748,
   "end_elevation_m": 952.0511079270591,
   "start_xy": [
    4758604.648062235,
    2722877.992061363
   ],
   "end_xy": [
    4758612.568703272,
    2722895.635576436
   ]
  },
  "min_25m": {
   "gradient_pct": 0.5152989217040158,
   "start_distance_m": 787.0,
   "end_distance_m": 812.0,
   "midpoint_distance_m": 799.5,
   "start_elevation_m": 951.9642403284113,
   "end_elevation_m": 952.0930650588373,
   "start_xy": [
    4758604.043131545,
    2722877.1957832333
   ],
   "end_xy": [
    4758613.089449513,
    2722899.6015344984
   ]
  },
  "min_50m": {
   "gradient_pct": 1.7064172350853823,
   "start_distance_m": 774.0,
   "end_distance_m": 824.0,
   "midpoint_distance_m": 799.0,
   "start_elevation_m": 951.6902916218086,
   "end_elevation_m": 952.5435002393513,
   "start_xy": [
    4758593.221785733,
    2722870.018931715
   ],
   "end_xy": [
    4758613.073360752,
    2722911.5958585027
   ]
  },
  "min_100m": {
   "gradient_pct": 4.68020777619256,
   "start_distance_m": 765.0,
   "end_distance_m": 865.0,
   "midpoint_distance_m": 815.0,
   "start_elevation_m": 951.0259399566921,
   "end_elevation_m": 955.7061477328847,
   "start_xy": [
    4758585.687529924,
    2722865.0960271447
   ],
   "end_xy": [
    4758606.587507085,
    2722951.58011247
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.09031531843857,
   "start_distance_m": 180.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 181.0,
   "start_elevation_m": 866.1668622611917,
   "end_elevation_m": 866.6286685675605,
   "start_xy": [
    4758133.18576658,
    2722693.4011601405
   ],
   "end_xy": [
    4758135.12120253,
    2722693.905231248
   ]
  },
  "max_3m": {
   "gradient_pct": 22.778640493640978,
   "start_distance_m": 599.0,
   "end_distance_m": 602.0,
   "midpoint_distance_m": 600.5,
   "start_elevation_m": 924.4131972149651,
   "end_elevation_m": 925.0965564297743,
   "start_xy": [
    4758436.272177199,
    2722793.237152351
   ],
   "end_xy": [
    4758439.040665075,
    2722794.3927798346
   ]
  }
 },
 "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": 0.334,
   "obstruction_max_height_m": 22.25,
   "flagged_windows_m": []
  },
  "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_E4757-N2722.tif",
   "data/cache/at/bev-als_dtm_E4758-N2722.tif"
  ],
  "calculated_at": "2026-09-11T07:20:25+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": [
   "E4757-N2722",
   "E4758-N2722"
  ],
  "elevation_blocks": [
   "N2700000E4750000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "St. Jakob im Walde",
  "county": "Steiermark",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}