{
 "ocl_version": "0.1.0",
 "name": "Sommert\u00f6rlweg",
 "slug": "sommertoerlweg",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.964611125047668,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1544.0,
   "end_distance_m": 1546.0,
   "start_elevation_m": 1218.427023546802,
   "end_elevation_m": 1219.006315769303,
   "min_gradient_pct": -13.9651880112865
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.547993789299955,
   "diagnostic": true,
   "flags": [
    "placement_excluded"
   ],
   "start_distance_m": 1544.0,
   "end_distance_m": 1547.0,
   "start_elevation_m": 1218.427023546802,
   "end_elevation_m": 1219.163463360481,
   "min_gradient_pct": -13.256297563339103,
   "suppressed_max_gradient_pct": 25.795244480120044,
   "suppressed_location_m": [
    3709.0,
    3712.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 18.932035584598452,
   "diagnostic": false,
   "flags": [
    "placement_excluded"
   ],
   "start_distance_m": 1541.0,
   "end_distance_m": 1546.0,
   "start_elevation_m": 1218.059713990073,
   "end_elevation_m": 1219.006315769303,
   "min_gradient_pct": -11.724913589564494,
   "suppressed_max_gradient_pct": 23.396676017464415,
   "suppressed_location_m": [
    3707.0,
    3712.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.86750163265515,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 2550.0,
   "end_distance_m": 2560.0,
   "start_elevation_m": 1312.0123090921331,
   "end_elevation_m": 1313.6990592553987,
   "min_gradient_pct": -7.404549576365298,
   "suppressed_max_gradient_pct": 18.402815528233987,
   "suppressed_location_m": [
    3702.0,
    3712.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.424245594718968,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 2550.0,
   "end_distance_m": 2570.0,
   "start_elevation_m": 1312.0123090921331,
   "end_elevation_m": 1315.097158211077,
   "min_gradient_pct": -4.752543150272004,
   "suppressed_max_gradient_pct": 16.1864739421344,
   "suppressed_location_m": [
    3701.0,
    3721.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.037539936124631,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 2550.0,
   "end_distance_m": 2575.0,
   "start_elevation_m": 1312.0123090921331,
   "end_elevation_m": 1315.7716940761643,
   "min_gradient_pct": -3.133843258878187
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.337415573090766,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 688.0,
   "end_distance_m": 738.0,
   "start_elevation_m": 1115.7496115060792,
   "end_elevation_m": 1122.9183192926246,
   "min_gradient_pct": 0.2637366752574053
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.355879320472013,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 652.0,
   "end_distance_m": 752.0,
   "start_elevation_m": 1111.392031272111,
   "end_elevation_m": 1124.747910592583,
   "min_gradient_pct": 3.4462849414317134
  }
 ],
 "shape": {
  "ascent_concentration": 0.304,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 304.0,
  "shape_class": "sustained"
 },
 "length_m": 6608.51668040818,
 "start_elevation_m": 1054.3792675538925,
 "end_elevation_m": 1645.0448654711965,
 "endpoint_gain_m": 590.665597917304,
 "overall_gradient_pct": 8.937945177144066,
 "accumulated_ascent_m": 593.0772700771026,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 18.932035584598452,
   "start_distance_m": 1541.0,
   "end_distance_m": 1546.0,
   "midpoint_distance_m": 1543.5,
   "start_elevation_m": 1218.059713990073,
   "end_elevation_m": 1219.006315769303,
   "start_xy": [
    4663033.477852071,
    2695149.4207490906
   ],
   "end_xy": [
    4663037.65208098,
    2695152.1731671127
   ]
  },
  "max_10m": {
   "gradient_pct": 16.86750163265515,
   "start_distance_m": 2550.0,
   "end_distance_m": 2560.0,
   "midpoint_distance_m": 2555.0,
   "start_elevation_m": 1312.0123090921331,
   "end_elevation_m": 1313.6990592553987,
   "start_xy": [
    4663764.090223612,
    2695290.704122283
   ],
   "end_xy": [
    4663774.078016019,
    2695290.4119109074
   ]
  },
  "max_20m": {
   "gradient_pct": 15.424245594718968,
   "start_distance_m": 2550.0,
   "end_distance_m": 2570.0,
   "midpoint_distance_m": 2560.0,
   "start_elevation_m": 1312.0123090921331,
   "end_elevation_m": 1315.097158211077,
   "start_xy": [
    4663764.090223612,
    2695290.704122283
   ],
   "end_xy": [
    4663784.001457341,
    2695291.6469321675
   ]
  },
  "max_25m": {
   "gradient_pct": 15.037539936124631,
   "start_distance_m": 2550.0,
   "end_distance_m": 2575.0,
   "midpoint_distance_m": 2562.5,
   "start_elevation_m": 1312.0123090921331,
   "end_elevation_m": 1315.7716940761643,
   "start_xy": [
    4663764.090223612,
    2695290.704122283
   ],
   "end_xy": [
    4663788.963245,
    2695292.263905625
   ]
  },
  "max_50m": {
   "gradient_pct": 14.337415573090766,
   "start_distance_m": 688.0,
   "end_distance_m": 738.0,
   "midpoint_distance_m": 713.0,
   "start_elevation_m": 1115.7496115060792,
   "end_elevation_m": 1122.9183192926246,
   "start_xy": [
    4662687.594674123,
    2694597.006956834
   ],
   "end_xy": [
    4662699.3659309475,
    2694645.2798448275
   ]
  },
  "max_100m": {
   "gradient_pct": 13.355879320472013,
   "start_distance_m": 652.0,
   "end_distance_m": 752.0,
   "midpoint_distance_m": 702.0,
   "start_elevation_m": 1111.392031272111,
   "end_elevation_m": 1124.747910592583,
   "start_xy": [
    4662672.001478445,
    2694564.5818922543
   ],
   "end_xy": [
    4662700.092531089,
    2694659.260972269
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.724913589564494,
   "start_distance_m": 3688.0,
   "end_distance_m": 3693.0,
   "midpoint_distance_m": 3690.5,
   "start_elevation_m": 1410.648854353489,
   "end_elevation_m": 1410.0626086740108,
   "start_xy": [
    4664025.846252399,
    2695717.254
   ],
   "end_xy": [
    4664030.8462321535,
    2695717.2560246433
   ]
  },
  "min_10m": {
   "gradient_pct": -7.404549576365298,
   "start_distance_m": 3688.0,
   "end_distance_m": 3698.0,
   "midpoint_distance_m": 3693.0,
   "start_elevation_m": 1410.648854353489,
   "end_elevation_m": 1409.9083993958525,
   "start_xy": [
    4664025.846252399,
    2695717.254
   ],
   "end_xy": [
    4664035.843573649,
    2695717.416555078
   ]
  },
  "min_20m": {
   "gradient_pct": -4.752543150272004,
   "start_distance_m": 3737.0,
   "end_distance_m": 3757.0,
   "midpoint_distance_m": 3747.0,
   "start_elevation_m": 1413.4903119136138,
   "end_elevation_m": 1412.5398032835594,
   "start_xy": [
    4664073.848783233,
    2695724.9120912827
   ],
   "end_xy": [
    4664092.062619671,
    2695732.955797751
   ]
  },
  "min_25m": {
   "gradient_pct": -3.133843258878187,
   "start_distance_m": 3732.0,
   "end_distance_m": 3757.0,
   "midpoint_distance_m": 3744.5,
   "start_elevation_m": 1413.323264098279,
   "end_elevation_m": 1412.5398032835594,
   "start_xy": [
    4664069.103360259,
    2695723.3369847015
   ],
   "end_xy": [
    4664092.062619671,
    2695732.955797751
   ]
  },
  "min_50m": {
   "gradient_pct": 0.2637366752574053,
   "start_distance_m": 3721.0,
   "end_distance_m": 3771.0,
   "midpoint_distance_m": 3746.0,
   "start_elevation_m": 1413.1518905994271,
   "end_elevation_m": 1413.2837589370558,
   "start_xy": [
    4664058.661777953,
    2695719.8767504958
   ],
   "end_xy": [
    4664104.274594684,
    2695739.8017837103
   ]
  },
  "min_100m": {
   "gradient_pct": 3.4462849414317134,
   "start_distance_m": 3684.0,
   "end_distance_m": 3784.0,
   "midpoint_distance_m": 3734.0,
   "start_elevation_m": 1410.5628150810917,
   "end_elevation_m": 1414.0091000225234,
   "start_xy": [
    4664021.846252899,
    2695717.253
   ],
   "end_xy": [
    4664115.790439426,
    2695745.831694822
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.964611125047668,
   "start_distance_m": 1544.0,
   "end_distance_m": 1546.0,
   "midpoint_distance_m": 1545.0,
   "start_elevation_m": 1218.427023546802,
   "end_elevation_m": 1219.006315769303,
   "start_xy": [
    4663035.981974084,
    2695151.072829605
   ],
   "end_xy": [
    4663037.65208098,
    2695152.1731671127
   ]
  },
  "max_3m": {
   "gradient_pct": 24.547993789299955,
   "start_distance_m": 1544.0,
   "end_distance_m": 1547.0,
   "midpoint_distance_m": 1545.5,
   "start_elevation_m": 1218.427023546802,
   "end_elevation_m": 1219.163463360481,
   "start_xy": [
    4663035.981974084,
    2695151.072829605
   ],
   "end_xy": [
    4663038.486858988,
    2695152.7237536553
   ]
  }
 },
 "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": {
  "placement_suppression": {
   "masked_fraction": 0.005,
   "windows_resited": [
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.275,
   "obstruction_max_height_m": 31.43,
   "flagged_windows_m": [
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    3700.0,
    3730.0
   ]
  ],
  "review": [],
  "extent": [
   "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_E4662-N2694.tif",
   "data/cache/at/bev-als_dtm_E4662-N2695.tif",
   "data/cache/at/bev-als_dtm_E4663-N2694.tif",
   "data/cache/at/bev-als_dtm_E4663-N2695.tif",
   "data/cache/at/bev-als_dtm_E4664-N2695.tif",
   "data/cache/at/bev-als_dtm_E4664-N2696.tif",
   "data/cache/at/bev-als_dtm_E4665-N2695.tif",
   "data/cache/at/bev-als_dtm_E4665-N2696.tif"
  ],
  "calculated_at": "2026-09-15T22:33:44+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": [
   "E4662-N2694",
   "E4662-N2695",
   "E4663-N2694",
   "E4663-N2695",
   "E4664-N2695",
   "E4664-N2696",
   "E4665-N2695",
   "E4665-N2696"
  ],
  "elevation_blocks": [
   "N2650000E4650000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2650000E4650000": "20220915"
  },
  "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": "P\u00f6lstal",
  "county": "Steiermark",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}