{
 "ocl_version": "0.1.0",
 "name": "Filzenberg",
 "slug": "filzenberg",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.818542714943305,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 333.0,
   "end_distance_m": 335.0,
   "start_elevation_m": 901.681755504779,
   "end_elevation_m": 902.2181263590778,
   "min_gradient_pct": 1.1842734144295264
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.422706158128374,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 332.0,
   "end_distance_m": 335.0,
   "start_elevation_m": 901.545445174334,
   "end_elevation_m": 902.2181263590778,
   "min_gradient_pct": 3.0418984384596115
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 18.43530835014235,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 332.0,
   "end_distance_m": 337.0,
   "start_elevation_m": 901.545445174334,
   "end_elevation_m": 902.4672105918411,
   "min_gradient_pct": 3.344107956534117
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.04925818588299,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 473.0,
   "end_distance_m": 483.0,
   "start_elevation_m": 918.8389435748248,
   "end_elevation_m": 920.4438693934131,
   "min_gradient_pct": 4.055028122265867
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.383374235970564,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 470.0,
   "end_distance_m": 490.0,
   "start_elevation_m": 918.3674560238217,
   "end_elevation_m": 921.4441308710158,
   "min_gradient_pct": 5.05937164679267
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.29654289513337,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 470.0,
   "end_distance_m": 495.0,
   "start_elevation_m": 918.3674560238217,
   "end_elevation_m": 922.191591747605,
   "min_gradient_pct": 5.289685239251412
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.874419699400278,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 891.0,
   "end_distance_m": 941.0,
   "start_elevation_m": 971.7031855083652,
   "end_elevation_m": 979.1403953580653,
   "min_gradient_pct": 6.335668664590685
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.338254453644595,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 537.0,
   "end_distance_m": 637.0,
   "start_elevation_m": 927.7631278497076,
   "end_elevation_m": 942.1013823033522,
   "min_gradient_pct": 8.276131454219808
  }
 ],
 "shape": {
  "ascent_concentration": 0.267,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 368.0,
  "shape_class": "sustained"
 },
 "length_m": 2157.8348120544106,
 "start_elevation_m": 858.9126170751916,
 "end_elevation_m": 1120.1452246950423,
 "endpoint_gain_m": 261.2326076198507,
 "overall_gradient_pct": 12.10623751922599,
 "accumulated_ascent_m": 261.29419595906256,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 18.43530835014235,
   "start_distance_m": 332.0,
   "end_distance_m": 337.0,
   "midpoint_distance_m": 334.5,
   "start_elevation_m": 901.545445174334,
   "end_elevation_m": 902.4672105918411,
   "start_xy": [
    4512535.0109813735,
    2712942.7648071703
   ],
   "end_xy": [
    4512539.136091069,
    2712945.5892886803
   ]
  },
  "max_10m": {
   "gradient_pct": 16.04925818588299,
   "start_distance_m": 473.0,
   "end_distance_m": 483.0,
   "midpoint_distance_m": 478.0,
   "start_elevation_m": 918.8389435748248,
   "end_elevation_m": 920.4438693934131,
   "start_xy": [
    4512577.086280218,
    2712972.8185202535
   ],
   "end_xy": [
    4512586.706768298,
    2712970.200866574
   ]
  },
  "max_20m": {
   "gradient_pct": 15.383374235970564,
   "start_distance_m": 470.0,
   "end_distance_m": 490.0,
   "midpoint_distance_m": 480.0,
   "start_elevation_m": 918.3674560238217,
   "end_elevation_m": 921.4441308710158,
   "start_xy": [
    4512574.308442386,
    2712973.9460959355
   ],
   "end_xy": [
    4512593.577229768,
    2712968.8623471917
   ]
  },
  "max_25m": {
   "gradient_pct": 15.29654289513337,
   "start_distance_m": 470.0,
   "end_distance_m": 495.0,
   "midpoint_distance_m": 482.5,
   "start_elevation_m": 918.3674560238217,
   "end_elevation_m": 922.191591747605,
   "start_xy": [
    4512574.308442386,
    2712973.9460959355
   ],
   "end_xy": [
    4512598.501078588,
    2712967.9930297574
   ]
  },
  "max_50m": {
   "gradient_pct": 14.874419699400278,
   "start_distance_m": 891.0,
   "end_distance_m": 941.0,
   "midpoint_distance_m": 916.0,
   "start_elevation_m": 971.7031855083652,
   "end_elevation_m": 979.1403953580653,
   "start_xy": [
    4512842.970560169,
    2713076.9454966993
   ],
   "end_xy": [
    4512889.372569939,
    2713077.420511409
   ]
  },
  "max_100m": {
   "gradient_pct": 14.338254453644595,
   "start_distance_m": 537.0,
   "end_distance_m": 637.0,
   "midpoint_distance_m": 587.0,
   "start_elevation_m": 927.7631278497076,
   "end_elevation_m": 942.1013823033522,
   "start_xy": [
    4512640.0660408335,
    2712970.425532742
   ],
   "end_xy": [
    4512735.026805464,
    2713001.428834156
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.344107956534117,
   "start_distance_m": 1069.0,
   "end_distance_m": 1074.0,
   "midpoint_distance_m": 1071.5,
   "start_elevation_m": 992.4087787620236,
   "end_elevation_m": 992.5759841598503,
   "start_xy": [
    4513000.106876527,
    2713130.2106946628
   ],
   "end_xy": [
    4513000.817933805,
    2713134.9840484187
   ]
  },
  "min_10m": {
   "gradient_pct": 4.055028122265867,
   "start_distance_m": 1066.0,
   "end_distance_m": 1076.0,
   "midpoint_distance_m": 1071.0,
   "start_elevation_m": 992.2706902997393,
   "end_elevation_m": 992.6761931119659,
   "start_xy": [
    4512997.926952437,
    2713128.2703091423
   ],
   "end_xy": [
    4512999.497216266,
    2713136.4766019033
   ]
  },
  "min_20m": {
   "gradient_pct": 5.05937164679267,
   "start_distance_m": 1056.0,
   "end_distance_m": 1076.0,
   "midpoint_distance_m": 1066.0,
   "start_elevation_m": 991.6643187826073,
   "end_elevation_m": 992.6761931119659,
   "start_xy": [
    4512988.720688512,
    2713124.5746412575
   ],
   "end_xy": [
    4512999.497216266,
    2713136.4766019033
   ]
  },
  "min_25m": {
   "gradient_pct": 5.289685239251412,
   "start_distance_m": 1052.0,
   "end_distance_m": 1077.0,
   "midpoint_distance_m": 1064.5,
   "start_elevation_m": 991.413896570187,
   "end_elevation_m": 992.7363178799999,
   "start_xy": [
    4512984.721870821,
    2713124.4773937454
   ],
   "end_xy": [
    4512998.827286801,
    2713137.219026655
   ]
  },
  "min_50m": {
   "gradient_pct": 6.335668664590685,
   "start_distance_m": 1036.0,
   "end_distance_m": 1086.0,
   "midpoint_distance_m": 1061.0,
   "start_elevation_m": 990.2260777754086,
   "end_elevation_m": 993.393912107704,
   "start_xy": [
    4512968.754758089,
    2713123.662308565
   ],
   "end_xy": [
    4512990.490890814,
    2713139.292545799
   ]
  },
  "min_100m": {
   "gradient_pct": 8.276131454219808,
   "start_distance_m": 995.0,
   "end_distance_m": 1095.0,
   "midpoint_distance_m": 1045.0,
   "start_elevation_m": 986.0589768615175,
   "end_elevation_m": 994.3351083157373,
   "start_xy": [
    4512936.359331767,
    2713101.345664004
   ],
   "end_xy": [
    4512981.501768277,
    2713138.851771929
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.818542714943305,
   "start_distance_m": 333.0,
   "end_distance_m": 335.0,
   "midpoint_distance_m": 334.0,
   "start_elevation_m": 901.681755504779,
   "end_elevation_m": 902.2181263590778,
   "start_xy": [
    4512535.833049278,
    2712943.3341966337
   ],
   "end_xy": [
    4512537.477185085,
    2712944.472975561
   ]
  },
  "max_3m": {
   "gradient_pct": 22.422706158128374,
   "start_distance_m": 332.0,
   "end_distance_m": 335.0,
   "midpoint_distance_m": 333.5,
   "start_elevation_m": 901.545445174334,
   "end_elevation_m": 902.2181263590778,
   "start_xy": [
    4512535.0109813735,
    2712942.7648071703
   ],
   "end_xy": [
    4512537.477185085,
    2712944.472975561
   ]
  }
 },
 "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": 0.138,
   "obstruction_max_height_m": 24.51,
   "flagged_windows_m": [
    10,
    20,
    25,
    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_E4512-N2712.tif",
   "data/cache/at/bev-als_dtm_E4512-N2713.tif",
   "data/cache/at/bev-als_dtm_E4513-N2712.tif",
   "data/cache/at/bev-als_dtm_E4513-N2713.tif"
  ],
  "calculated_at": "2026-09-12T23:26:48+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-at-run4-260912.osm.pbf",
  "osm_snapshot": "",
  "run_id": "at-run4-260912",
  "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": [
   "E4512-N2712",
   "E4512-N2713",
   "E4513-N2712",
   "E4513-N2713"
  ],
  "elevation_blocks": [
   "N2700000E4500000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sankt Jakob in Haus",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}