{
 "ocl_version": "0.1.0",
 "name": "Grasstall",
 "slug": "grasstall-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.261126676309686,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 116.0,
   "end_distance_m": 118.0,
   "start_elevation_m": 1707.1815088877993,
   "end_elevation_m": 1707.6867314213255,
   "min_gradient_pct": -10.17993255542251,
   "suppressed_max_gradient_pct": 27.32005461089102,
   "suppressed_location_m": [
    143.0,
    145.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.879132500011718,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 116.0,
   "end_distance_m": 119.0,
   "start_elevation_m": 1707.1815088877993,
   "end_elevation_m": 1707.8978828627996,
   "min_gradient_pct": -8.894322736167245,
   "suppressed_max_gradient_pct": 26.708078829286325,
   "suppressed_location_m": [
    25.0,
    28.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.86926399231197,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 114.0,
   "end_distance_m": 119.0,
   "start_elevation_m": 1706.804419663184,
   "end_elevation_m": 1707.8978828627996,
   "min_gradient_pct": -5.010331648636566,
   "suppressed_max_gradient_pct": 26.074617230333388,
   "suppressed_location_m": [
    24.0,
    29.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.888100987348935,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 114.0,
   "end_distance_m": 124.0,
   "start_elevation_m": 1706.804419663184,
   "end_elevation_m": 1708.693229761919,
   "min_gradient_pct": -2.664246713563898,
   "suppressed_max_gradient_pct": 24.52858134420012,
   "suppressed_location_m": [
    20.0,
    30.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.21245519715353,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 341.0,
   "end_distance_m": 361.0,
   "start_elevation_m": 1730.9325490962467,
   "end_elevation_m": 1734.3750401356774,
   "min_gradient_pct": -0.7417595986794367,
   "suppressed_max_gradient_pct": 22.086489045432245,
   "suppressed_location_m": [
    15.0,
    35.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.825788666592416,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 344.0,
   "end_distance_m": 369.0,
   "start_elevation_m": 1731.4269080329993,
   "end_elevation_m": 1735.6333551996474,
   "min_gradient_pct": 0.5737358069336551,
   "suppressed_max_gradient_pct": 20.488219725404633,
   "suppressed_location_m": [
    12.0,
    37.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.727846042818783,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 336.0,
   "end_distance_m": 386.0,
   "start_elevation_m": 1730.2576683037464,
   "end_elevation_m": 1738.1215913251558,
   "min_gradient_pct": 6.0493921762413265,
   "suppressed_max_gradient_pct": 17.07250189114029,
   "suppressed_location_m": [
    10.0,
    60.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.598096063177309,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 1124.0,
   "end_distance_m": 1224.0,
   "start_elevation_m": 1827.215830952524,
   "end_elevation_m": 1841.8139270157012,
   "min_gradient_pct": 8.928838703166775
  }
 ],
 "shape": {
  "ascent_concentration": 0.279,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 368.0,
  "shape_class": "sustained"
 },
 "length_m": 1528.7671243779437,
 "start_elevation_m": 1693.6795861068397,
 "end_elevation_m": 1878.7542305156176,
 "endpoint_gain_m": 185.07464440877789,
 "overall_gradient_pct": 12.106137125632191,
 "accumulated_ascent_m": 186.29301191000604,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.86926399231197,
   "start_distance_m": 114.0,
   "end_distance_m": 119.0,
   "midpoint_distance_m": 116.5,
   "start_elevation_m": 1706.804419663184,
   "end_elevation_m": 1707.8978828627996,
   "start_xy": [
    4395873.051898209,
    2669706.80156287
   ],
   "end_xy": [
    4395873.237877605,
    2669711.57599345
   ]
  },
  "max_10m": {
   "gradient_pct": 18.888100987348935,
   "start_distance_m": 114.0,
   "end_distance_m": 124.0,
   "midpoint_distance_m": 119.0,
   "start_elevation_m": 1706.804419663184,
   "end_elevation_m": 1708.693229761919,
   "start_xy": [
    4395873.051898209,
    2669706.80156287
   ],
   "end_xy": [
    4395875.55543134,
    2669715.946928279
   ]
  },
  "max_20m": {
   "gradient_pct": 17.21245519715353,
   "start_distance_m": 341.0,
   "end_distance_m": 361.0,
   "midpoint_distance_m": 351.0,
   "start_elevation_m": 1730.9325490962467,
   "end_elevation_m": 1734.3750401356774,
   "start_xy": [
    4396041.864561187,
    2669752.559334327
   ],
   "end_xy": [
    4396059.537219901,
    2669761.8246054114
   ]
  },
  "max_25m": {
   "gradient_pct": 16.825788666592416,
   "start_distance_m": 344.0,
   "end_distance_m": 369.0,
   "midpoint_distance_m": 356.5,
   "start_elevation_m": 1731.4269080329993,
   "end_elevation_m": 1735.6333551996474,
   "start_xy": [
    4396044.581391383,
    2669753.827462464
   ],
   "end_xy": [
    4396066.18511119,
    2669766.2749471287
   ]
  },
  "max_50m": {
   "gradient_pct": 15.727846042818783,
   "start_distance_m": 336.0,
   "end_distance_m": 386.0,
   "midpoint_distance_m": 361.0,
   "start_elevation_m": 1730.2576683037464,
   "end_elevation_m": 1738.1215913251558,
   "start_xy": [
    4396037.020490732,
    2669751.3203906543
   ],
   "end_xy": [
    4396078.276455672,
    2669777.881078398
   ]
  },
  "max_100m": {
   "gradient_pct": 14.598096063177309,
   "start_distance_m": 1124.0,
   "end_distance_m": 1224.0,
   "midpoint_distance_m": 1174.0,
   "start_elevation_m": 1827.215830952524,
   "end_elevation_m": 1841.8139270157012,
   "start_xy": [
    4396219.92062562,
    2669678.4317643857
   ],
   "end_xy": [
    4396198.322911753,
    2669580.909182215
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.010331648636566,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 1693.6795861068397,
   "end_elevation_m": 1693.4290695244079,
   "start_xy": [
    4395847.594,
    2669743.007
   ],
   "end_xy": [
    4395847.785662106,
    2669748.0033252137
   ]
  },
  "min_10m": {
   "gradient_pct": -2.664246713563898,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 1693.6795861068397,
   "end_elevation_m": 1693.4131614354833,
   "start_xy": [
    4395847.594,
    2669743.007
   ],
   "end_xy": [
    4395849.600127336,
    2669752.0480272165
   ]
  },
  "min_20m": {
   "gradient_pct": -0.7417595986794367,
   "start_distance_m": 1507.0,
   "end_distance_m": 1527.0,
   "midpoint_distance_m": 1517.0,
   "start_elevation_m": 1878.8238090824957,
   "end_elevation_m": 1878.6754571627598,
   "start_xy": [
    4396143.057654523,
    2669328.595646345
   ],
   "end_xy": [
    4396136.2541696085,
    2669310.8579111123
   ]
  },
  "min_25m": {
   "gradient_pct": 0.5737358069336551,
   "start_distance_m": 1503.0,
   "end_distance_m": 1528.0,
   "midpoint_distance_m": 1515.5,
   "start_elevation_m": 1878.5762252881743,
   "end_elevation_m": 1878.7196592399077,
   "start_xy": [
    4396143.0767629435,
    2669332.5956007033
   ],
   "end_xy": [
    4396135.54501205,
    2669310.152861073
   ]
  },
  "min_50m": {
   "gradient_pct": 6.0493921762413265,
   "start_distance_m": 262.0,
   "end_distance_m": 312.0,
   "midpoint_distance_m": 287.0,
   "start_elevation_m": 1724.8177987974286,
   "end_elevation_m": 1727.8424948855493,
   "start_xy": [
    4395975.5537391165,
    2669717.988156201
   ],
   "end_xy": [
    4396013.27134276,
    2669749.8965271846
   ]
  },
  "min_100m": {
   "gradient_pct": 8.928838703166775,
   "start_distance_m": 201.0,
   "end_distance_m": 301.0,
   "midpoint_distance_m": 251.0,
   "start_elevation_m": 1718.1488710392825,
   "end_elevation_m": 1727.0777097424493,
   "start_xy": [
    4395941.011201111,
    2669698.8776952266
   ],
   "end_xy": [
    4396003.863881596,
    2669744.5056855255
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.261126676309686,
   "start_distance_m": 116.0,
   "end_distance_m": 118.0,
   "midpoint_distance_m": 117.0,
   "start_elevation_m": 1707.1815088877993,
   "end_elevation_m": 1707.6867314213255,
   "start_xy": [
    4395872.676324956,
    2669708.765982563
   ],
   "end_xy": [
    4395872.820442476,
    2669710.667286724
   ]
  },
  "max_3m": {
   "gradient_pct": 23.879132500011718,
   "start_distance_m": 116.0,
   "end_distance_m": 119.0,
   "midpoint_distance_m": 117.5,
   "start_elevation_m": 1707.1815088877993,
   "end_elevation_m": 1707.8978828627996,
   "start_xy": [
    4395872.676324956,
    2669708.765982563
   ],
   "end_xy": [
    4395873.237877605,
    2669711.57599345
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.039,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 12.0,
     "end_m": 37.0,
     "raw_pct": 20.49,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 15.0,
     "end_m": 35.0,
     "raw_pct": 22.09,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 20.0,
     "end_m": 30.0,
     "raw_pct": 24.53,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 128.0,
     "end_m": 153.0,
     "raw_pct": 18.75,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 128.0,
     "end_m": 148.0,
     "raw_pct": 19.84,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.035,
   "obstruction_max_height_m": 16.0,
   "flagged_windows_m": [
    100
   ]
  },
  "excluded_ranges_m": [
   [
    10.0,
    39.0
   ],
   [
    126.0,
    155.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_E4395-N2669.tif",
   "data/cache/at/bev-als_dtm_E4396-N2669.tif"
  ],
  "calculated_at": "2026-09-13T00:10:10+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": [
   "E4395-N2669",
   "E4396-N2669"
  ],
  "elevation_blocks": [
   "N2650000E4350000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Umhausen",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}