{
 "ocl_version": "0.1.0",
 "name": "Grubewald Iii",
 "slug": "grubewald-iii",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.9167458337688,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 573.0,
   "end_distance_m": 575.0,
   "start_elevation_m": 1561.3657192559192,
   "end_elevation_m": 1562.0040541725946,
   "min_gradient_pct": -11.947809924117792,
   "suppressed_max_gradient_pct": 45.799631768443305,
   "suppressed_location_m": [
    1006.0,
    1008.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 29.272364013240804,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 573.0,
   "end_distance_m": 576.0,
   "start_elevation_m": 1561.3657192559192,
   "end_elevation_m": 1562.2438901763164,
   "min_gradient_pct": -11.638406017952244,
   "suppressed_max_gradient_pct": 40.50933617550072,
   "suppressed_location_m": [
    1006.0,
    1009.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.671194326782825,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 573.0,
   "end_distance_m": 578.0,
   "start_elevation_m": 1561.3657192559192,
   "end_elevation_m": 1562.6492789722583,
   "min_gradient_pct": -11.669155064391816,
   "suppressed_max_gradient_pct": 34.56909045545217,
   "suppressed_location_m": [
    160.0,
    165.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.205479448917686,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 572.0,
   "end_distance_m": 582.0,
   "start_elevation_m": 1561.1743805836281,
   "end_elevation_m": 1563.29492852852,
   "min_gradient_pct": -11.252637135544319,
   "suppressed_max_gradient_pct": 28.923240436672586,
   "suppressed_location_m": [
    158.0,
    168.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.705928300412324,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 572.0,
   "end_distance_m": 592.0,
   "start_elevation_m": 1561.1743805836281,
   "end_elevation_m": 1564.9155662437106,
   "min_gradient_pct": -10.184181652964526,
   "suppressed_max_gradient_pct": 22.29243846139184,
   "suppressed_location_m": [
    154.0,
    174.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.59762921177662,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 29.0,
   "end_distance_m": 54.0,
   "start_elevation_m": 1496.4546830194079,
   "end_elevation_m": 1501.104090322352,
   "min_gradient_pct": -9.341482628098674,
   "suppressed_max_gradient_pct": 21.82916467344421,
   "suppressed_location_m": [
    812.0,
    837.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.46200617486329,
   "diagnostic": false,
   "flags": [
    "placement_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 15.0,
   "end_distance_m": 65.0,
   "start_elevation_m": 1494.85091148033,
   "end_elevation_m": 1502.5819145677617,
   "min_gradient_pct": -3.9846215132997713,
   "suppressed_max_gradient_pct": 18.1381801832772,
   "suppressed_location_m": [
    787.0,
    837.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.9067703542637,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1523.0,
   "end_distance_m": 1623.0,
   "start_elevation_m": 1667.4275333253718,
   "end_elevation_m": 1682.3343036796355,
   "min_gradient_pct": 4.15979505626774
  }
 ],
 "shape": {
  "ascent_concentration": 0.268,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 159.0,
  "shape_class": "sustained"
 },
 "length_m": 1701.6000000000706,
 "start_elevation_m": 1493.4865054128534,
 "end_elevation_m": 1690.9738355807185,
 "endpoint_gain_m": 197.48733016786514,
 "overall_gradient_pct": 11.605978500696812,
 "accumulated_ascent_m": 201.7082407009898,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.671194326782825,
   "start_distance_m": 573.0,
   "end_distance_m": 578.0,
   "midpoint_distance_m": 575.5,
   "start_elevation_m": 1561.3657192559192,
   "end_elevation_m": 1562.6492789722583,
   "start_xy": [
    4394520.5748088285,
    2665033.1858580695
   ],
   "end_xy": [
    4394521.446616061,
    2665028.26245026
   ]
  },
  "max_10m": {
   "gradient_pct": 21.205479448917686,
   "start_distance_m": 572.0,
   "end_distance_m": 582.0,
   "midpoint_distance_m": 577.0,
   "start_elevation_m": 1561.1743805836281,
   "end_elevation_m": 1563.29492852852,
   "start_xy": [
    4394520.400813821,
    2665034.170604601
   ],
   "end_xy": [
    4394522.143582487,
    2665024.323639047
   ]
  },
  "max_20m": {
   "gradient_pct": 18.705928300412324,
   "start_distance_m": 572.0,
   "end_distance_m": 592.0,
   "midpoint_distance_m": 582.0,
   "start_elevation_m": 1561.1743805836281,
   "end_elevation_m": 1564.9155662437106,
   "start_xy": [
    4394520.400813821,
    2665034.170604601
   ],
   "end_xy": [
    4394523.886608341,
    2665014.476718769
   ]
  },
  "max_25m": {
   "gradient_pct": 18.59762921177662,
   "start_distance_m": 29.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 41.5,
   "start_elevation_m": 1496.4546830194079,
   "end_elevation_m": 1501.104090322352,
   "start_xy": [
    4394400.430960659,
    2665087.2221333142
   ],
   "end_xy": [
    4394407.962720395,
    2665063.88368749
   ]
  },
  "max_50m": {
   "gradient_pct": 15.46200617486329,
   "start_distance_m": 15.0,
   "end_distance_m": 65.0,
   "midpoint_distance_m": 40.0,
   "start_elevation_m": 1494.85091148033,
   "end_elevation_m": 1502.5819145677617,
   "start_xy": [
    4394396.469967915,
    2665100.6501087267
   ],
   "end_xy": [
    4394415.532696116,
    2665055.902745016
   ]
  },
  "max_100m": {
   "gradient_pct": 14.9067703542637,
   "start_distance_m": 1523.0,
   "end_distance_m": 1623.0,
   "midpoint_distance_m": 1573.0,
   "start_elevation_m": 1667.4275333253718,
   "end_elevation_m": 1682.3343036796355,
   "start_xy": [
    4394709.654790754,
    2664488.163123708
   ],
   "end_xy": [
    4394746.936699214,
    2664570.5359437745
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.669155064391816,
   "start_distance_m": 722.0,
   "end_distance_m": 727.0,
   "midpoint_distance_m": 724.5,
   "start_elevation_m": 1577.86233877715,
   "end_elevation_m": 1577.2788810239304,
   "start_xy": [
    4394568.158963502,
    2664895.3779320363
   ],
   "end_xy": [
    4394569.555007555,
    2664890.5767804584
   ]
  },
  "min_10m": {
   "gradient_pct": -11.252637135544319,
   "start_distance_m": 717.0,
   "end_distance_m": 727.0,
   "midpoint_distance_m": 722.0,
   "start_elevation_m": 1578.4041447374848,
   "end_elevation_m": 1577.2788810239304,
   "start_xy": [
    4394566.489836646,
    2664900.059239795
   ],
   "end_xy": [
    4394569.555007555,
    2664890.5767804584
   ]
  },
  "min_20m": {
   "gradient_pct": -10.184181652964526,
   "start_distance_m": 711.0,
   "end_distance_m": 731.0,
   "midpoint_distance_m": 721.0,
   "start_elevation_m": 1578.9192478638577,
   "end_elevation_m": 1576.8824115332648,
   "start_xy": [
    4394562.8743602885,
    2664904.847592852
   ],
   "end_xy": [
    4394570.671973593,
    2664886.735897314
   ]
  },
  "min_25m": {
   "gradient_pct": -9.341482628098674,
   "start_distance_m": 709.0,
   "end_distance_m": 734.0,
   "midpoint_distance_m": 721.5,
   "start_elevation_m": 1579.0214018383947,
   "end_elevation_m": 1576.68603118137,
   "start_xy": [
    4394561.669223389,
    2664906.443727136
   ],
   "end_xy": [
    4394571.508939632,
    2664883.855014169
   ]
  },
  "min_50m": {
   "gradient_pct": -3.9846215132997713,
   "start_distance_m": 698.0,
   "end_distance_m": 748.0,
   "midpoint_distance_m": 723.0,
   "start_elevation_m": 1578.146499212394,
   "end_elevation_m": 1576.1541884557441,
   "start_xy": [
    4394555.040643311,
    2664915.2222183053
   ],
   "end_xy": [
    4394573.438318405,
    2664870.1920901295
   ]
  },
  "min_100m": {
   "gradient_pct": 4.15979505626774,
   "start_distance_m": 668.0,
   "end_distance_m": 768.0,
   "midpoint_distance_m": 718.0,
   "start_elevation_m": 1574.2867415302926,
   "end_elevation_m": 1578.4465365865603,
   "start_xy": [
    4394539.292498878,
    2664940.4220275353
   ],
   "end_xy": [
    4394570.853624277,
    2664850.4217052
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.9167458337688,
   "start_distance_m": 573.0,
   "end_distance_m": 575.0,
   "midpoint_distance_m": 574.0,
   "start_elevation_m": 1561.3657192559192,
   "end_elevation_m": 1562.0040541725946,
   "start_xy": [
    4394520.5748088285,
    2665033.1858580695
   ],
   "end_xy": [
    4394520.92360578,
    2665031.2165080723
   ]
  },
  "max_3m": {
   "gradient_pct": 29.272364013240804,
   "start_distance_m": 573.0,
   "end_distance_m": 576.0,
   "midpoint_distance_m": 574.5,
   "start_elevation_m": 1561.3657192559192,
   "end_elevation_m": 1562.2438901763164,
   "start_xy": [
    4394520.5748088285,
    2665033.1858580695
   ],
   "end_xy": [
    4394521.097819043,
    2665030.231800245
   ]
  }
 },
 "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": 0.042,
   "windows_resited": [
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.068,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 161.0,
     "end_m": 181.0,
     "raw_pct": 20.56,
     "reason": "hump+mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 161.0,
     "end_m": 171.0,
     "raw_pct": 26.98,
     "reason": "hump+mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 161.0,
     "end_m": 166.0,
     "raw_pct": 34.27,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 1004.0,
     "end_m": 1009.0,
     "raw_pct": 31.83,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 548.0,
     "end_m": 553.0,
     "raw_pct": 28.08,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.083,
   "obstruction_max_height_m": 19.6,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50
   ]
  },
  "excluded_ranges_m": [
   [
    130.0,
    183.0
   ],
   [
    546.0,
    555.0
   ],
   [
    810.0,
    850.0
   ],
   [
    1002.0,
    1011.0
   ]
  ],
  "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_E4394-N2664.tif",
   "data/cache/at/bev-als_dtm_E4394-N2665.tif"
  ],
  "calculated_at": "2026-09-12T20:01:21+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-extent3-260912",
  "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": [
   "E4394-N2664",
   "E4394-N2665"
  ],
  "elevation_blocks": [
   "N2650000E4350000@2022-09-15"
  ],
  "route_cut_m": 1701.6,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "L\u00e4ngenfeld",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}