{
 "ocl_version": "0.1.0",
 "name": "Schulweg",
 "slug": "schulweg",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.11630992564096,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 87.0,
   "end_distance_m": 89.0,
   "start_elevation_m": 454.69631355916715,
   "end_elevation_m": 455.33863975767997,
   "min_gradient_pct": -1.2879298948519136
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.67268770139329,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 87.0,
   "end_distance_m": 90.0,
   "start_elevation_m": 454.69631355916715,
   "end_elevation_m": 455.52649419020895,
   "min_gradient_pct": -1.1877224389877483
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.9725968318578,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 193.0,
   "end_distance_m": 198.0,
   "start_elevation_m": 473.46531028269175,
   "end_elevation_m": 474.66394012428464,
   "min_gradient_pct": -0.8855131373525182
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.790957598597515,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 191.0,
   "end_distance_m": 201.0,
   "start_elevation_m": 473.0032805993086,
   "end_elevation_m": 475.38237635916835,
   "min_gradient_pct": 1.0101689349193066
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.864983253753337,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 185.0,
   "end_distance_m": 205.0,
   "start_elevation_m": 471.6942000169903,
   "end_elevation_m": 476.26719666774096,
   "min_gradient_pct": 5.618380504344884
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.317642807524862,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 181.0,
   "end_distance_m": 206.0,
   "start_elevation_m": 470.89385017359297,
   "end_elevation_m": 476.4732608754742,
   "min_gradient_pct": 5.80315480704121
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.7363975672572,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 179.0,
   "end_distance_m": 229.0,
   "start_elevation_m": 470.4950503617595,
   "end_elevation_m": 480.8632491453881,
   "min_gradient_pct": 6.143998645364036
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.562374758701935,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 129.0,
   "end_distance_m": 229.0,
   "start_elevation_m": 460.3008743866862,
   "end_elevation_m": 480.8632491453881,
   "min_gradient_pct": 9.58937783681688
  }
 ],
 "shape": {
  "ascent_concentration": 0.349,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 147.0,
  "shape_class": "sustained"
 },
 "length_m": 240.07280640089667,
 "start_elevation_m": 446.84608384880335,
 "end_elevation_m": 482.87285036622427,
 "endpoint_gain_m": 36.026766517420924,
 "overall_gradient_pct": 15.006600313264954,
 "accumulated_ascent_m": 36.07104217428855,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.9725968318578,
   "start_distance_m": 193.0,
   "end_distance_m": 198.0,
   "midpoint_distance_m": 195.5,
   "start_elevation_m": 473.46531028269175,
   "end_elevation_m": 474.66394012428464,
   "start_xy": [
    4641075.596437972,
    2619466.6153952875
   ],
   "end_xy": [
    4641074.001445608,
    2619471.354171433
   ]
  },
  "max_10m": {
   "gradient_pct": 23.790957598597515,
   "start_distance_m": 191.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 196.0,
   "start_elevation_m": 473.0032805993086,
   "end_elevation_m": 475.38237635916835,
   "start_xy": [
    4641076.597996267,
    2619464.887726276
   ],
   "end_xy": [
    4641073.044450189,
    2619474.19743712
   ]
  },
  "max_20m": {
   "gradient_pct": 22.864983253753337,
   "start_distance_m": 185.0,
   "end_distance_m": 205.0,
   "midpoint_distance_m": 195.0,
   "start_elevation_m": 471.6942000169903,
   "end_elevation_m": 476.26719666774096,
   "start_xy": [
    4641079.87895381,
    2619459.868247307
   ],
   "end_xy": [
    4641071.768727999,
    2619477.9885493605
   ]
  },
  "max_25m": {
   "gradient_pct": 22.317642807524862,
   "start_distance_m": 181.0,
   "end_distance_m": 206.0,
   "midpoint_distance_m": 193.5,
   "start_elevation_m": 470.89385017359297,
   "end_elevation_m": 476.4732608754742,
   "start_xy": [
    4641082.163344825,
    2619456.584719069
   ],
   "end_xy": [
    4641071.45052074,
    2619478.9365705317
   ]
  },
  "max_50m": {
   "gradient_pct": 20.7363975672572,
   "start_distance_m": 179.0,
   "end_distance_m": 229.0,
   "midpoint_distance_m": 204.0,
   "start_elevation_m": 470.4950503617595,
   "end_elevation_m": 480.8632491453881,
   "start_xy": [
    4641083.305540333,
    2619454.9429549496
   ],
   "end_xy": [
    4641061.800496873,
    2619499.624789665
   ]
  },
  "max_100m": {
   "gradient_pct": 20.562374758701935,
   "start_distance_m": 129.0,
   "end_distance_m": 229.0,
   "midpoint_distance_m": 179.0,
   "start_elevation_m": 460.3008743866862,
   "end_elevation_m": 480.8632491453881,
   "start_xy": [
    4641105.564417868,
    2619414.931541275
   ],
   "end_xy": [
    4641061.800496873,
    2619499.624789665
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.8855131373525182,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 446.84608384880335,
   "end_elevation_m": 446.8018081919357,
   "start_xy": [
    4641161.213,
    2619365.234
   ],
   "end_xy": [
    4641165.5740647605,
    2619367.6796316477
   ]
  },
  "min_10m": {
   "gradient_pct": 1.0101689349193066,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 446.84608384880335,
   "end_elevation_m": 446.9471007422953,
   "start_xy": [
    4641161.213,
    2619365.234
   ],
   "end_xy": [
    4641169.935129521,
    2619370.1252632956
   ]
  },
  "min_20m": {
   "gradient_pct": 5.618380504344884,
   "start_distance_m": 24.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 34.0,
   "start_elevation_m": 448.37374365315515,
   "end_elevation_m": 449.4974197540241,
   "start_xy": [
    4641182.641170965,
    2619375.9019316556
   ],
   "end_xy": [
    4641178.551785167,
    2619390.2866030927
   ]
  },
  "min_25m": {
   "gradient_pct": 5.80315480704121,
   "start_distance_m": 23.0,
   "end_distance_m": 48.0,
   "midpoint_distance_m": 35.5,
   "start_elevation_m": 448.3059908314292,
   "end_elevation_m": 449.7567795331895,
   "start_xy": [
    4641181.693111108,
    2619375.5838396754
   ],
   "end_xy": [
    4641176.195581012,
    2619393.518986421
   ]
  },
  "min_50m": {
   "gradient_pct": 6.143998645364036,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 446.84608384880335,
   "end_elevation_m": 449.91808317148536,
   "start_xy": [
    4641161.213,
    2619365.234
   ],
   "end_xy": [
    4641175.0174789345,
    2619395.135178085
   ]
  },
  "min_100m": {
   "gradient_pct": 9.58937783681688,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 446.84608384880335,
   "end_elevation_m": 456.4354616856202,
   "start_xy": [
    4641161.213,
    2619365.234
   ],
   "end_xy": [
    4641134.244651228,
    2619416.0435006204
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.11630992564096,
   "start_distance_m": 87.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 88.0,
   "start_elevation_m": 454.69631355916715,
   "end_elevation_m": 455.33863975767997,
   "start_xy": [
    4641147.109957372,
    2619417.8043467677
   ],
   "end_xy": [
    4641145.115438198,
    2619417.6563830376
   ]
  },
  "max_3m": {
   "gradient_pct": 27.67268770139329,
   "start_distance_m": 87.0,
   "end_distance_m": 90.0,
   "midpoint_distance_m": 88.5,
   "start_elevation_m": 454.69631355916715,
   "end_elevation_m": 455.52649419020895,
   "start_xy": [
    4641147.109957372,
    2619417.8043467677
   ],
   "end_xy": [
    4641144.118178612,
    2619417.5824011727
   ]
  }
 },
 "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": 0.289,
   "obstruction_max_height_m": 20.92,
   "flagged_windows_m": [
    2,
    3,
    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_E4641-N2619.tif"
  ],
  "calculated_at": "2026-09-11T07:19:01+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": [
   "E4641-N2619"
  ],
  "elevation_blocks": [
   "N2600000E4600000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Maria W\u00f6rth",
  "county": "K\u00e4rnten",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}