{
 "ocl_version": "0.1.0",
 "name": "Gafrescha",
 "slug": "gafrescha",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 46.577451808258274,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 272.0,
   "end_distance_m": 274.0,
   "start_elevation_m": 688.6753259449283,
   "end_elevation_m": 689.6068749810935,
   "min_gradient_pct": -28.202693901374687
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 44.759533604330194,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 272.0,
   "end_distance_m": 275.0,
   "start_elevation_m": 688.6753259449283,
   "end_elevation_m": 690.0181119530582,
   "min_gradient_pct": -24.297710660512923
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 40.70703067348177,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 271.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 688.3156161375204,
   "end_elevation_m": 690.3509676711944,
   "min_gradient_pct": -20.078728151172527
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 32.76720673255795,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 269.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 687.7329067638161,
   "end_elevation_m": 691.0096274370719,
   "min_gradient_pct": -5.747490365957901
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.54537877491157,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 259.0,
   "end_distance_m": 279.0,
   "start_elevation_m": 685.9005516820896,
   "end_elevation_m": 691.0096274370719,
   "min_gradient_pct": -0.1660344813728898,
   "suppressed_max_gradient_pct": 25.904478423744308,
   "suppressed_location_m": [
    146.0,
    166.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.06213601599211,
   "diagnostic": false,
   "flags": [
    "no_bench_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 257.0,
   "end_distance_m": 282.0,
   "start_elevation_m": 685.5003771930271,
   "end_elevation_m": 691.5159111970252,
   "min_gradient_pct": 0.03597949938830425,
   "suppressed_max_gradient_pct": 24.26452164295233,
   "suppressed_location_m": [
    145.0,
    170.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.96670163428803,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1307.0,
   "end_distance_m": 1357.0,
   "start_elevation_m": 842.3197746525975,
   "end_elevation_m": 853.3031254697415,
   "min_gradient_pct": 2.0542674006717334
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.63297002732861,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1258.0,
   "end_distance_m": 1358.0,
   "start_elevation_m": 834.8294592455363,
   "end_elevation_m": 853.4624292728649,
   "min_gradient_pct": 2.818709282633904
  }
 ],
 "shape": {
  "ascent_concentration": 0.294,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 656.0,
  "shape_class": "sustained"
 },
 "length_m": 2473.5291895409,
 "start_elevation_m": 661.2490993298345,
 "end_elevation_m": 993.4362703312989,
 "endpoint_gain_m": 332.18717100146443,
 "overall_gradient_pct": 13.429684695296444,
 "accumulated_ascent_m": 333.90199072201494,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 40.70703067348177,
   "start_distance_m": 271.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 273.5,
   "start_elevation_m": 688.3156161375204,
   "end_elevation_m": 690.3509676711944,
   "start_xy": [
    4310947.19870012,
    2663533.9092329554
   ],
   "end_xy": [
    4310942.203691746,
    2663534.132596663
   ]
  },
  "max_10m": {
   "gradient_pct": 32.76720673255795,
   "start_distance_m": 269.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 274.0,
   "start_elevation_m": 687.7329067638161,
   "end_elevation_m": 691.0096274370719,
   "start_xy": [
    4310949.196703469,
    2663533.8198874723
   ],
   "end_xy": [
    4310939.4008371625,
    2663534.985899808
   ]
  },
  "max_20m": {
   "gradient_pct": 25.54537877491157,
   "start_distance_m": 259.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 269.0,
   "start_elevation_m": 685.9005516820896,
   "end_elevation_m": 691.0096274370719,
   "start_xy": [
    4310959.186720217,
    2663533.3731600572
   ],
   "end_xy": [
    4310939.4008371625,
    2663534.985899808
   ]
  },
  "max_25m": {
   "gradient_pct": 24.06213601599211,
   "start_distance_m": 257.0,
   "end_distance_m": 282.0,
   "midpoint_distance_m": 269.5,
   "start_elevation_m": 685.5003771930271,
   "end_elevation_m": 691.5159111970252,
   "start_xy": [
    4310961.184723566,
    2663533.283814574
   ],
   "end_xy": [
    4310936.743448865,
    2663536.3781237244
   ]
  },
  "max_50m": {
   "gradient_pct": 21.96670163428803,
   "start_distance_m": 1307.0,
   "end_distance_m": 1357.0,
   "midpoint_distance_m": 1332.0,
   "start_elevation_m": 842.3197746525975,
   "end_elevation_m": 853.3031254697415,
   "start_xy": [
    4311192.467655814,
    2663265.7505649203
   ],
   "end_xy": [
    4311239.399983707,
    2663265.713003374
   ]
  },
  "max_100m": {
   "gradient_pct": 18.63297002732861,
   "start_distance_m": 1258.0,
   "end_distance_m": 1358.0,
   "midpoint_distance_m": 1308.0,
   "start_elevation_m": 834.8294592455363,
   "end_elevation_m": 853.4624292728649,
   "start_xy": [
    4311144.8130953815,
    2663255.4840470385
   ],
   "end_xy": [
    4311239.457456547,
    2663264.7146563036
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -20.078728151172527,
   "start_distance_m": 170.0,
   "end_distance_m": 175.0,
   "midpoint_distance_m": 172.5,
   "start_elevation_m": 674.4288648649496,
   "end_elevation_m": 673.4249284573909,
   "start_xy": [
    4311048.145478527,
    2663531.1175279906
   ],
   "end_xy": [
    4311043.145762085,
    2663531.170777365
   ]
  },
  "min_10m": {
   "gradient_pct": -5.747490365957901,
   "start_distance_m": 170.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 175.0,
   "start_elevation_m": 674.4288648649496,
   "end_elevation_m": 673.8541158283538,
   "start_xy": [
    4311048.145478527,
    2663531.1175279906
   ],
   "end_xy": [
    4311038.146045642,
    2663531.2240267396
   ]
  },
  "min_20m": {
   "gradient_pct": -0.1660344813728898,
   "start_distance_m": 2141.0,
   "end_distance_m": 2161.0,
   "midpoint_distance_m": 2151.0,
   "start_elevation_m": 958.0035551105348,
   "end_elevation_m": 957.9703482142602,
   "start_xy": [
    4311388.866581064,
    2662885.1771462145
   ],
   "end_xy": [
    4311377.393353064,
    2662868.846754235
   ]
  },
  "min_25m": {
   "gradient_pct": 0.03597949938830425,
   "start_distance_m": 2138.0,
   "end_distance_m": 2163.0,
   "midpoint_distance_m": 2150.5,
   "start_elevation_m": 957.993305255739,
   "end_elevation_m": 958.002300130586,
   "start_xy": [
    4311390.805154308,
    2662887.466673191
   ],
   "end_xy": [
    4311376.321338635,
    2662867.1583274333
   ]
  },
  "min_50m": {
   "gradient_pct": 2.0542674006717334,
   "start_distance_m": 55.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 80.0,
   "start_elevation_m": 663.2339690882987,
   "end_elevation_m": 664.2611027886346,
   "start_xy": [
    4311101.252628856,
    2663611.6131653264
   ],
   "end_xy": [
    4311100.669568852,
    2663561.632830047
   ]
  },
  "min_100m": {
   "gradient_pct": 2.818709282633904,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 661.2490993298345,
   "end_elevation_m": 664.0678086124684,
   "start_xy": [
    4311107.244,
    2663666.015
   ],
   "end_xy": [
    4311100.801450025,
    2663566.63109048
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 46.577451808258274,
   "start_distance_m": 272.0,
   "end_distance_m": 274.0,
   "midpoint_distance_m": 273.0,
   "start_elevation_m": 688.6753259449283,
   "end_elevation_m": 689.6068749810935,
   "start_xy": [
    4310946.199698445,
    2663533.953905697
   ],
   "end_xy": [
    4310944.201695096,
    2663534.04325118
   ]
  },
  "max_3m": {
   "gradient_pct": 44.759533604330194,
   "start_distance_m": 272.0,
   "end_distance_m": 275.0,
   "midpoint_distance_m": 273.5,
   "start_elevation_m": 688.6753259449283,
   "end_elevation_m": 690.0181119530582,
   "start_xy": [
    4310946.199698445,
    2663533.953905697
   ],
   "end_xy": [
    4310943.20269342,
    2663534.0879239216
   ]
  }
 },
 "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": {
  "no_bench_suppression": {
   "masked_fraction": 0.013,
   "windows_resited": [
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.166,
   "obstruction_max_height_m": 33.46,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    150.0,
    180.0
   ]
  ],
  "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_E4310-N2662.tif",
   "data/cache/at/bev-als_dtm_E4310-N2663.tif",
   "data/cache/at/bev-als_dtm_E4311-N2662.tif",
   "data/cache/at/bev-als_dtm_E4311-N2663.tif"
  ],
  "calculated_at": "2026-09-11T15:55:09+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-run2-260911",
  "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": [
   "E4310-N2662",
   "E4310-N2663",
   "E4311-N2662",
   "E4311-N2663"
  ],
  "elevation_blocks": [
   "N2650000E4300000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Vandans",
  "county": "Vorarlberg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}