{
 "ocl_version": "0.1.0",
 "name": "Schulweg",
 "slug": "schulweg-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.23421220129876,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 159.0,
   "end_distance_m": 161.0,
   "start_elevation_m": 1023.7603189639972,
   "end_elevation_m": 1024.3650032080232,
   "min_gradient_pct": -3.677819644997271
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.483099948640756,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 158.0,
   "end_distance_m": 161.0,
   "start_elevation_m": 1023.4805102095639,
   "end_elevation_m": 1024.3650032080232,
   "min_gradient_pct": -0.7814847717175629
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.19745632299464,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 158.0,
   "end_distance_m": 163.0,
   "start_elevation_m": 1023.4805102095639,
   "end_elevation_m": 1024.8403830257137,
   "min_gradient_pct": 1.3314267346822817
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.426884287014218,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4.0,
   "end_distance_m": 14.0,
   "start_elevation_m": 997.9537124856719,
   "end_elevation_m": 1000.2964009143733,
   "min_gradient_pct": 3.7935833999358692
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.79000544158066,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "start_elevation_m": 999.1358411268682,
   "end_elevation_m": 1003.6938422151843,
   "min_gradient_pct": 7.389627106621219
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.96051891804973,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 4.0,
   "end_distance_m": 29.0,
   "start_elevation_m": 997.9537124856719,
   "end_elevation_m": 1003.6938422151843,
   "min_gradient_pct": 7.927847030293378
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.39410781786637,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3.0,
   "end_distance_m": 53.0,
   "start_elevation_m": 997.7833706360075,
   "end_elevation_m": 1007.4804245449407,
   "min_gradient_pct": 8.20922017978728
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.866013260242198,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 3.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 997.7833706360075,
   "end_elevation_m": 1014.6493838962497,
   "min_gradient_pct": 10.39564237001423
  }
 ],
 "shape": {
  "ascent_concentration": 0.322,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 170.0,
  "shape_class": "sustained"
 },
 "length_m": 286.399999999653,
 "start_elevation_m": 997.7047332246657,
 "end_elevation_m": 1038.5568736054358,
 "endpoint_gain_m": 40.85214038077015,
 "overall_gradient_pct": 14.264015496096246,
 "accumulated_ascent_m": 40.939922670756005,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.19745632299464,
   "start_distance_m": 158.0,
   "end_distance_m": 163.0,
   "midpoint_distance_m": 160.5,
   "start_elevation_m": 1023.4805102095639,
   "end_elevation_m": 1024.8403830257137,
   "start_xy": [
    4709537.499499247,
    2655093.944420264
   ],
   "end_xy": [
    4709541.852480928,
    2655096.4044099045
   ]
  },
  "max_10m": {
   "gradient_pct": 23.426884287014218,
   "start_distance_m": 4.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 9.0,
   "start_elevation_m": 997.9537124856719,
   "end_elevation_m": 1000.2964009143733,
   "start_xy": [
    4709407.115276823,
    2655019.8433255227
   ],
   "end_xy": [
    4709413.596055648,
    2655027.4590654387
   ]
  },
  "max_20m": {
   "gradient_pct": 22.79000544158066,
   "start_distance_m": 9.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 999.1358411268682,
   "end_elevation_m": 1003.6938422151843,
   "start_xy": [
    4709410.355376167,
    2655023.651442344
   ],
   "end_xy": [
    4709423.315860311,
    2655038.8838357357
   ]
  },
  "max_25m": {
   "gradient_pct": 22.96051891804973,
   "start_distance_m": 4.0,
   "end_distance_m": 29.0,
   "midpoint_distance_m": 16.5,
   "start_elevation_m": 997.9537124856719,
   "end_elevation_m": 1003.6938422151843,
   "start_xy": [
    4709407.115276823,
    2655019.8433255227
   ],
   "end_xy": [
    4709423.315860311,
    2655038.8838357357
   ]
  },
  "max_50m": {
   "gradient_pct": 19.39410781786637,
   "start_distance_m": 3.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 28.0,
   "start_elevation_m": 997.7833706360075,
   "end_elevation_m": 1007.4804245449407,
   "start_xy": [
    4709406.466960932,
    2655019.081954059
   ],
   "end_xy": [
    4709441.056887028,
    2655054.6557009993
   ]
  },
  "max_100m": {
   "gradient_pct": 16.866013260242198,
   "start_distance_m": 3.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 53.0,
   "start_elevation_m": 997.7833706360075,
   "end_elevation_m": 1014.6493838962497,
   "start_xy": [
    4709406.466960932,
    2655019.081954059
   ],
   "end_xy": [
    4709485.996647375,
    2655076.4557208205
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.3314267346822817,
   "start_distance_m": 221.0,
   "end_distance_m": 226.0,
   "midpoint_distance_m": 223.5,
   "start_elevation_m": 1030.051963933459,
   "end_elevation_m": 1030.1185352701932,
   "start_xy": [
    4709599.435255,
    2655093.818073552
   ],
   "end_xy": [
    4709604.4233379,
    2655093.4730678205
   ]
  },
  "min_10m": {
   "gradient_pct": 3.7935833999358692,
   "start_distance_m": 218.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 223.0,
   "start_elevation_m": 1029.850863877986,
   "end_elevation_m": 1030.2302222179796,
   "start_xy": [
    4709596.442404308,
    2655094.0250632293
   ],
   "end_xy": [
    4709606.418570108,
    2655093.335051766
   ]
  },
  "min_20m": {
   "gradient_pct": 7.389627106621219,
   "start_distance_m": 208.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 218.0,
   "start_elevation_m": 1028.7522967966554,
   "end_elevation_m": 1030.2302222179796,
   "start_xy": [
    4709586.466238508,
    2655094.7150746924
   ],
   "end_xy": [
    4709606.418570108,
    2655093.335051766
   ]
  },
  "min_25m": {
   "gradient_pct": 7.927847030293378,
   "start_distance_m": 203.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 215.5,
   "start_elevation_m": 1028.2482604604063,
   "end_elevation_m": 1030.2302222179796,
   "start_xy": [
    4709581.478086956,
    2655095.059080241
   ],
   "end_xy": [
    4709606.418570108,
    2655093.335051766
   ]
  },
  "min_50m": {
   "gradient_pct": 8.20922017978728,
   "start_distance_m": 179.0,
   "end_distance_m": 229.0,
   "midpoint_distance_m": 204.0,
   "start_elevation_m": 1026.2284662325837,
   "end_elevation_m": 1030.3330763224774,
   "start_xy": [
    4709557.53528652,
    2655096.715071373
   ],
   "end_xy": [
    4709607.416188592,
    2655093.2660781434
   ]
  },
  "min_100m": {
   "gradient_pct": 10.39564237001423,
   "start_distance_m": 163.0,
   "end_distance_m": 263.0,
   "midpoint_distance_m": 213.0,
   "start_elevation_m": 1024.8403830257137,
   "end_elevation_m": 1035.236025395728,
   "start_xy": [
    4709541.852480928,
    2655096.4044099045
   ],
   "end_xy": [
    4709637.408990208,
    2655103.549558206
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.23421220129876,
   "start_distance_m": 159.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 160.0,
   "start_elevation_m": 1023.7603189639972,
   "end_elevation_m": 1024.3650032080232,
   "start_xy": [
    4709538.369957476,
    2655094.436662547
   ],
   "end_xy": [
    4709540.111336698,
    2655095.4203283396
   ]
  },
  "max_3m": {
   "gradient_pct": 29.483099948640756,
   "start_distance_m": 158.0,
   "end_distance_m": 161.0,
   "midpoint_distance_m": 159.5,
   "start_elevation_m": 1023.4805102095639,
   "end_elevation_m": 1024.3650032080232,
   "start_xy": [
    4709537.499499247,
    2655093.944420264
   ],
   "end_xy": [
    4709540.111336698,
    2655095.4203283396
   ]
  }
 },
 "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": 0.465,
   "obstruction_max_height_m": 23.62,
   "flagged_windows_m": [
    2,
    3,
    5,
    20,
    25,
    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_E4709-N2654.tif",
   "data/cache/at/bev-als_dtm_E4709-N2655.tif"
  ],
  "calculated_at": "2026-09-11T19:07:17+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-extent-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": [
   "E4709-N2654",
   "E4709-N2655"
  ],
  "elevation_blocks": [
   "N2650000E4700000@2022-09-15"
  ],
  "route_cut_m": 286.4,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Deutschlandsberg",
  "county": "Steiermark",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}