{
 "ocl_version": "0.1.0",
 "name": "Sonnhofweg",
 "slug": "sonnhofweg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.951118949616102,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 90.0,
   "end_distance_m": 92.0,
   "start_elevation_m": 1686.4347774449252,
   "end_elevation_m": 1686.9337998239175,
   "min_gradient_pct": -5.012872935367341
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.803593366596033,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 89.0,
   "end_distance_m": 92.0,
   "start_elevation_m": 1686.1896920229196,
   "end_elevation_m": 1686.9337998239175,
   "min_gradient_pct": -5.011290380859161
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.32032389136566,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 82.0,
   "end_distance_m": 87.0,
   "start_elevation_m": 1684.5100319201586,
   "end_elevation_m": 1685.7260481147268,
   "min_gradient_pct": -4.868640139243325
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.237679037589714,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 82.0,
   "end_distance_m": 92.0,
   "start_elevation_m": 1684.5100319201586,
   "end_elevation_m": 1686.9337998239175,
   "min_gradient_pct": -4.560097188536929
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.89909203043885,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 76.0,
   "end_distance_m": 96.0,
   "start_elevation_m": 1683.1045612688802,
   "end_elevation_m": 1687.884379674968,
   "min_gradient_pct": -4.092158276629334
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.6376382685703,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 71.0,
   "end_distance_m": 96.0,
   "start_elevation_m": 1681.9749701078254,
   "end_elevation_m": 1687.884379674968,
   "min_gradient_pct": -3.7360408327631376
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.696061417247165,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 53.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 1678.008216538112,
   "end_elevation_m": 1689.3562472467356,
   "min_gradient_pct": -1.3466779707100613
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.52332478145263,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 48.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 1677.00191196049,
   "end_elevation_m": 1698.5252367419425,
   "min_gradient_pct": 2.9011681889403462
  }
 ],
 "shape": {
  "ascent_concentration": 0.426,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 235.0,
  "shape_class": "sustained"
 },
 "length_m": 806.0999999999899,
 "start_elevation_m": 1673.5429909018808,
 "end_elevation_m": 1762.9763241801952,
 "endpoint_gain_m": 89.43333327831442,
 "overall_gradient_pct": 11.09457055927497,
 "accumulated_ascent_m": 90.41565733482003,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.32032389136566,
   "start_distance_m": 82.0,
   "end_distance_m": 87.0,
   "midpoint_distance_m": 84.5,
   "start_elevation_m": 1684.5100319201586,
   "end_elevation_m": 1685.7260481147268,
   "start_xy": [
    4589656.761364695,
    2688458.2771087424
   ],
   "end_xy": [
    4589661.734970517,
    2688458.7901768475
   ]
  },
  "max_10m": {
   "gradient_pct": 24.237679037589714,
   "start_distance_m": 82.0,
   "end_distance_m": 92.0,
   "midpoint_distance_m": 87.0,
   "start_elevation_m": 1684.5100319201586,
   "end_elevation_m": 1686.9337998239175,
   "start_xy": [
    4589656.761364695,
    2688458.2771087424
   ],
   "end_xy": [
    4589666.693937623,
    2688459.4014297985
   ]
  },
  "max_20m": {
   "gradient_pct": 23.89909203043885,
   "start_distance_m": 76.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 86.0,
   "start_elevation_m": 1683.1045612688802,
   "end_elevation_m": 1687.884379674968,
   "start_xy": [
    4589650.793164371,
    2688457.660196915
   ],
   "end_xy": [
    4589670.567886067,
    2688460.397565381
   ]
  },
  "max_25m": {
   "gradient_pct": 23.6376382685703,
   "start_distance_m": 71.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 83.5,
   "start_elevation_m": 1681.9749701078254,
   "end_elevation_m": 1687.884379674968,
   "start_xy": [
    4589645.819658834,
    2688457.1461557946
   ],
   "end_xy": [
    4589670.567886067,
    2688460.397565381
   ]
  },
  "max_50m": {
   "gradient_pct": 22.696061417247165,
   "start_distance_m": 53.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 78.0,
   "start_elevation_m": 1678.008216538112,
   "end_elevation_m": 1689.3562472467356,
   "start_xy": [
    4589627.960457206,
    2688454.918855335
   ],
   "end_xy": [
    4589677.299113058,
    2688462.304878284
   ]
  },
  "max_100m": {
   "gradient_pct": 21.52332478145263,
   "start_distance_m": 48.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 1677.00191196049,
   "end_elevation_m": 1698.5252367419425,
   "start_xy": [
    4589623.007735536,
    2688454.2328938125
   ],
   "end_xy": [
    4589717.820896138,
    2688481.556615138
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.868640139243325,
   "start_distance_m": 590.0,
   "end_distance_m": 595.0,
   "midpoint_distance_m": 592.5,
   "start_elevation_m": 1746.6921813952697,
   "end_elevation_m": 1746.4487493883075,
   "start_xy": [
    4590083.86949441,
    2688642.9212878165
   ],
   "end_xy": [
    4590083.4155781865,
    2688647.8904090347
   ]
  },
  "min_10m": {
   "gradient_pct": -4.560097188536929,
   "start_distance_m": 590.0,
   "end_distance_m": 600.0,
   "midpoint_distance_m": 595.0,
   "start_elevation_m": 1746.6921813952697,
   "end_elevation_m": 1746.236171676416,
   "start_xy": [
    4590083.86949441,
    2688642.9212878165
   ],
   "end_xy": [
    4590082.656569809,
    2688652.8324635504
   ]
  },
  "min_20m": {
   "gradient_pct": -4.092158276629334,
   "start_distance_m": 588.0,
   "end_distance_m": 608.0,
   "midpoint_distance_m": 598.0,
   "start_elevation_m": 1746.765175481925,
   "end_elevation_m": 1745.9467438265992,
   "start_xy": [
    4590083.888502594,
    2688640.9213784016
   ],
   "end_xy": [
    4590081.431896691,
    2688660.7380278404
   ]
  },
  "min_25m": {
   "gradient_pct": -3.7360408327631376,
   "start_distance_m": 586.0,
   "end_distance_m": 611.0,
   "midpoint_distance_m": 598.5,
   "start_elevation_m": 1746.808283276143,
   "end_elevation_m": 1745.8742730679521,
   "start_xy": [
    4590083.90750178,
    2688638.921468896
   ],
   "end_xy": [
    4590080.849413688,
    2688663.680934213
   ]
  },
  "min_50m": {
   "gradient_pct": -1.3466779707100613,
   "start_distance_m": 574.0,
   "end_distance_m": 624.0,
   "midpoint_distance_m": 599.0,
   "start_elevation_m": 1746.650971465097,
   "end_elevation_m": 1745.977632479742,
   "start_xy": [
    4590083.350388701,
    2688627.0100560687
   ],
   "end_xy": [
    4590078.399280092,
    2688676.444522846
   ]
  },
  "min_100m": {
   "gradient_pct": 2.9011681889403462,
   "start_distance_m": 552.0,
   "end_distance_m": 652.0,
   "midpoint_distance_m": 602.0,
   "start_elevation_m": 1744.9900974350173,
   "end_elevation_m": 1747.8912656239577,
   "start_xy": [
    4590074.917439851,
    2688606.73537855
   ],
   "end_xy": [
    4590084.834313595,
    2688703.1897602347
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.951118949616102,
   "start_distance_m": 90.0,
   "end_distance_m": 92.0,
   "midpoint_distance_m": 91.0,
   "start_elevation_m": 1686.4347774449252,
   "end_elevation_m": 1686.9337998239175,
   "start_xy": [
    4589664.719014115,
    2688459.0991813606
   ],
   "end_xy": [
    4589666.693937623,
    2688459.4014297985
   ]
  },
  "max_3m": {
   "gradient_pct": 24.803593366596033,
   "start_distance_m": 89.0,
   "end_distance_m": 92.0,
   "midpoint_distance_m": 90.5,
   "start_elevation_m": 1686.1896920229196,
   "end_elevation_m": 1686.9337998239175,
   "start_xy": [
    4589663.724329379,
    2688458.996213996
   ],
   "end_xy": [
    4589666.693937623,
    2688459.4014297985
   ]
  }
 },
 "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": 0.015,
   "obstruction_max_height_m": 6.03,
   "flagged_windows_m": [
    2
   ]
  },
  "review": [],
  "extent": []
 },
 "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_E4589-N2688.tif",
   "data/cache/at/bev-als_dtm_E4590-N2688.tif"
  ],
  "calculated_at": "2026-09-15T22:33:41+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf",
  "osm_snapshot": "2026-09-10T20:21:06Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "E4589-N2688",
   "E4590-N2688"
  ],
  "elevation_blocks": [
   "N2650000E4550000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2650000E4550000": "20220915"
  },
  "route_cut_m": 806.1,
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Untertauern",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}