{
 "ocl_version": "0.1.0",
 "name": "Rettenbach",
 "slug": "rettenbach-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 36.68567561406917,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4615.0,
   "end_distance_m": 4617.0,
   "start_elevation_m": 1117.759085239049,
   "end_elevation_m": 1118.4927987513304,
   "min_gradient_pct": -49.30507357462375,
   "suppressed_max_gradient_pct": 89.50688947162462,
   "suppressed_location_m": [
    6556.0,
    6558.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.245772485827274,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 2560.0,
   "end_distance_m": 2563.0,
   "start_elevation_m": 876.4951776395114,
   "end_elevation_m": 877.4925508140863,
   "min_gradient_pct": -40.55479689240352,
   "suppressed_max_gradient_pct": 81.70370096223299,
   "suppressed_location_m": [
    6556.0,
    6559.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.799103833108347,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 2559.0,
   "end_distance_m": 2564.0,
   "start_elevation_m": 876.2505044181938,
   "end_elevation_m": 877.6404596098492,
   "min_gradient_pct": -30.69547839414099,
   "suppressed_max_gradient_pct": 65.24113531658713,
   "suppressed_location_m": [
    6555.0,
    6560.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.53067472459111,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 670.0,
   "end_distance_m": 680.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 634.0244963985668,
   "min_gradient_pct": -15.26354219651239,
   "suppressed_max_gradient_pct": 36.17564659863319,
   "suppressed_location_m": [
    6554.0,
    6564.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.95814801750862,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 670.0,
   "end_distance_m": 690.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 635.7630585296095,
   "min_gradient_pct": -10.193589737782531,
   "suppressed_max_gradient_pct": 21.723311279682775,
   "suppressed_location_m": [
    6543.0,
    6563.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 19.88476536427106,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 670.0,
   "end_distance_m": 695.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 636.5426202671755,
   "min_gradient_pct": -9.82532710877058
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.388480794436873,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 669.0,
   "end_distance_m": 719.0,
   "start_elevation_m": 631.4134510393666,
   "end_elevation_m": 640.107691436585,
   "min_gradient_pct": -8.788779395911206
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.540497233285123,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 670.0,
   "end_distance_m": 770.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 648.1119261593929,
   "min_gradient_pct": -7.174491900944986
  }
 ],
 "shape": {
  "ascent_concentration": 0.339,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 711.0,
  "shape_class": "sustained"
 },
 "length_m": 8547.719666575302,
 "start_elevation_m": 554.1704227440275,
 "end_elevation_m": 1357.8536926167217,
 "endpoint_gain_m": 803.6832698726942,
 "overall_gradient_pct": 9.402311975852328,
 "accumulated_ascent_m": 851.4474412289144,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.799103833108347,
   "start_distance_m": 2559.0,
   "end_distance_m": 2564.0,
   "midpoint_distance_m": 2561.5,
   "start_elevation_m": 876.2505044181938,
   "end_elevation_m": 877.6404596098492,
   "start_xy": [
    4595580.662805294,
    2739820.396684332
   ],
   "end_xy": [
    4595585.168188973,
    2739818.2283859444
   ]
  },
  "max_10m": {
   "gradient_pct": 24.53067472459111,
   "start_distance_m": 670.0,
   "end_distance_m": 680.0,
   "midpoint_distance_m": 675.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 634.0244963985668,
   "start_xy": [
    4595144.90369078,
    2739439.043859236
   ],
   "end_xy": [
    4595151.174794213,
    2739431.2545549204
   ]
  },
  "max_20m": {
   "gradient_pct": 20.95814801750862,
   "start_distance_m": 670.0,
   "end_distance_m": 690.0,
   "midpoint_distance_m": 680.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 635.7630585296095,
   "start_xy": [
    4595144.90369078,
    2739439.043859236
   ],
   "end_xy": [
    4595157.445897647,
    2739423.465250605
   ]
  },
  "max_25m": {
   "gradient_pct": 19.88476536427106,
   "start_distance_m": 670.0,
   "end_distance_m": 695.0,
   "midpoint_distance_m": 682.5,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 636.5426202671755,
   "start_xy": [
    4595144.90369078,
    2739439.043859236
   ],
   "end_xy": [
    4595160.581449364,
    2739419.570598447
   ]
  },
  "max_50m": {
   "gradient_pct": 17.388480794436873,
   "start_distance_m": 669.0,
   "end_distance_m": 719.0,
   "midpoint_distance_m": 694.0,
   "start_elevation_m": 631.4134510393666,
   "end_elevation_m": 640.107691436585,
   "start_xy": [
    4595144.276580436,
    2739439.8227896676
   ],
   "end_xy": [
    4595173.325122935,
    2739399.5051314817
   ]
  },
  "max_100m": {
   "gradient_pct": 16.540497233285123,
   "start_distance_m": 670.0,
   "end_distance_m": 770.0,
   "midpoint_distance_m": 720.0,
   "start_elevation_m": 631.5714289261077,
   "end_elevation_m": 648.1119261593929,
   "start_xy": [
    4595144.90369078,
    2739439.043859236
   ],
   "end_xy": [
    4595192.934464541,
    2739352.425690939
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -30.69547839414099,
   "start_distance_m": 4627.0,
   "end_distance_m": 4632.0,
   "midpoint_distance_m": 4629.5,
   "start_elevation_m": 1120.0443228230197,
   "end_elevation_m": 1118.5095489033126,
   "start_xy": [
    4596733.944664681,
    2739463.551967101
   ],
   "end_xy": [
    4596738.768017123,
    2739462.5507626915
   ]
  },
  "min_10m": {
   "gradient_pct": -15.26354219651239,
   "start_distance_m": 4626.0,
   "end_distance_m": 4636.0,
   "midpoint_distance_m": 4631.0,
   "start_elevation_m": 1120.0693702202661,
   "end_elevation_m": 1118.543016000615,
   "start_xy": [
    4596732.947908329,
    2739463.6324455044
   ],
   "end_xy": [
    4596742.3819566425,
    2739460.8362828423
   ]
  },
  "min_20m": {
   "gradient_pct": -10.193589737782531,
   "start_distance_m": 7803.0,
   "end_distance_m": 7823.0,
   "midpoint_distance_m": 7813.0,
   "start_elevation_m": 1337.952090941953,
   "end_elevation_m": 1335.9133729943965,
   "start_xy": [
    4598550.1288263565,
    2739715.7074466287
   ],
   "end_xy": [
    4598542.182209315,
    2739697.3552994095
   ]
  },
  "min_25m": {
   "gradient_pct": -9.82532710877058,
   "start_distance_m": 7798.0,
   "end_distance_m": 7823.0,
   "midpoint_distance_m": 7810.5,
   "start_elevation_m": 1338.369704771589,
   "end_elevation_m": 1335.9133729943965,
   "start_xy": [
    4598552.986158398,
    2739719.8105739243
   ],
   "end_xy": [
    4598542.182209315,
    2739697.3552994095
   ]
  },
  "min_50m": {
   "gradient_pct": -8.788779395911206,
   "start_distance_m": 7792.0,
   "end_distance_m": 7842.0,
   "midpoint_distance_m": 7817.0,
   "start_elevation_m": 1338.7963330144128,
   "end_elevation_m": 1334.4019433164572,
   "start_xy": [
    4598556.414956848,
    2739724.7343266793
   ],
   "end_xy": [
    4598533.201116568,
    2739680.616558213
   ]
  },
  "min_100m": {
   "gradient_pct": -7.174491900944986,
   "start_distance_m": 7792.0,
   "end_distance_m": 7892.0,
   "midpoint_distance_m": 7842.0,
   "start_elevation_m": 1338.7963330144128,
   "end_elevation_m": 1331.6218411134678,
   "start_xy": [
    4598556.414956848,
    2739724.7343266793
   ],
   "end_xy": [
    4598517.236927813,
    2739634.599655201
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 36.68567561406917,
   "start_distance_m": 4615.0,
   "end_distance_m": 4617.0,
   "midpoint_distance_m": 4616.0,
   "start_elevation_m": 1117.759085239049,
   "end_elevation_m": 1118.4927987513304,
   "start_xy": [
    4596721.983588449,
    2739464.5177079365
   ],
   "end_xy": [
    4596723.977101155,
    2739464.356751131
   ]
  },
  "max_3m": {
   "gradient_pct": 33.245772485827274,
   "start_distance_m": 2560.0,
   "end_distance_m": 2563.0,
   "midpoint_distance_m": 2561.5,
   "start_elevation_m": 876.4951776395114,
   "end_elevation_m": 877.4925508140863,
   "start_xy": [
    4595581.56388203,
    2739819.9630246544
   ],
   "end_xy": [
    4595584.267112237,
    2739818.662045622
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.002,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.009,
   "windows_resited": [],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.015,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 10.0,
     "start_m": 5199.0,
     "end_m": 5209.0,
     "raw_pct": 26.54,
     "reason": "short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 2607.0,
     "end_m": 2612.0,
     "raw_pct": 33.64,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 8330.0,
     "end_m": 8340.0,
     "raw_pct": 25.01,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 3517.0,
     "end_m": 3522.0,
     "raw_pct": 30.36,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.198,
   "obstruction_max_height_m": 30.06,
   "flagged_windows_m": [
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    2605.0,
    2614.0
   ],
   [
    3290.0,
    3320.0
   ],
   [
    3515.0,
    3524.0
   ],
   [
    4628.0,
    4633.0
   ],
   [
    5197.0,
    5211.0
   ],
   [
    5230.0,
    5260.0
   ],
   [
    6554.0,
    6561.0
   ],
   [
    8328.0,
    8342.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start"
  ]
 },
 "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_E4594-N2739.tif",
   "data/cache/at/bev-als_dtm_E4594-N2740.tif",
   "data/cache/at/bev-als_dtm_E4595-N2739.tif",
   "data/cache/at/bev-als_dtm_E4595-N2740.tif",
   "data/cache/at/bev-als_dtm_E4596-N2739.tif",
   "data/cache/at/bev-als_dtm_E4596-N2740.tif",
   "data/cache/at/bev-als_dtm_E4597-N2739.tif",
   "data/cache/at/bev-als_dtm_E4597-N2740.tif",
   "data/cache/at/bev-als_dtm_E4598-N2739.tif",
   "data/cache/at/bev-als_dtm_E4598-N2740.tif"
  ],
  "calculated_at": "2026-09-13T00:29:41+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": [
   "E4594-N2739",
   "E4594-N2740",
   "E4595-N2739",
   "E4595-N2740",
   "E4596-N2739",
   "E4596-N2740",
   "E4597-N2739",
   "E4597-N2740",
   "E4598-N2739",
   "E4598-N2740"
  ],
  "elevation_blocks": [
   "N2700000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Bad Ischl",
  "county": "Ober\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}