{
 "ocl_version": "0.1.0",
 "name": "Stubach",
 "slug": "stubach-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 33.96700412622522,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 216.0,
   "end_distance_m": 218.0,
   "start_elevation_m": 911.940040940272,
   "end_elevation_m": 912.6193810227965,
   "min_gradient_pct": -18.38912974347977
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.383730416894196,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 216.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 911.940040940272,
   "end_elevation_m": 912.8815528527788,
   "min_gradient_pct": -18.16743407982055
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.922262524394682,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 189.0,
   "end_distance_m": 194.0,
   "start_elevation_m": 907.8494540165693,
   "end_elevation_m": 909.1955671427891,
   "min_gradient_pct": -17.930517557360872
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.604397240532762,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 186.0,
   "end_distance_m": 196.0,
   "start_elevation_m": 907.4032446871145,
   "end_elevation_m": 909.5636844111677,
   "min_gradient_pct": -17.358944807529042
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.77655909881696,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 174.0,
   "end_distance_m": 194.0,
   "start_elevation_m": 905.4402553230257,
   "end_elevation_m": 909.1955671427891,
   "min_gradient_pct": -16.21268653779225
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.077307545998792,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 172.0,
   "end_distance_m": 197.0,
   "start_elevation_m": 905.1500820636661,
   "end_elevation_m": 909.6694089501658,
   "min_gradient_pct": -15.952482752695687
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.761097493825446,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 146.0,
   "end_distance_m": 196.0,
   "start_elevation_m": 901.183135664255,
   "end_elevation_m": 909.5636844111677,
   "min_gradient_pct": -15.391279703577311
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.966463186663987,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2068.0,
   "end_distance_m": 2168.0,
   "start_elevation_m": 1129.1082150958855,
   "end_elevation_m": 1145.0746782825495,
   "min_gradient_pct": -14.794204214380215
  }
 ],
 "shape": {
  "ascent_concentration": 0.298,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 632.0,
  "shape_class": "sustained"
 },
 "length_m": 3891.9046231019606,
 "start_elevation_m": 882.1577991055278,
 "end_elevation_m": 1309.9579341474323,
 "endpoint_gain_m": 427.80013504190447,
 "overall_gradient_pct": 10.992050845812747,
 "accumulated_ascent_m": 448.36385880716034,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.922262524394682,
   "start_distance_m": 189.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 191.5,
   "start_elevation_m": 907.8494540165693,
   "end_elevation_m": 909.1955671427891,
   "start_xy": [
    4515248.326354192,
    2685222.251709355
   ],
   "end_xy": [
    4515246.282721678,
    2685217.688424776
   ]
  },
  "max_10m": {
   "gradient_pct": 21.604397240532762,
   "start_distance_m": 186.0,
   "end_distance_m": 196.0,
   "midpoint_distance_m": 191.0,
   "start_elevation_m": 907.4032446871145,
   "end_elevation_m": 909.5636844111677,
   "start_xy": [
    4515249.408569999,
    2685225.0422155764
   ],
   "end_xy": [
    4515245.4652686715,
    2685215.8631109446
   ]
  },
  "max_20m": {
   "gradient_pct": 18.77655909881696,
   "start_distance_m": 174.0,
   "end_distance_m": 194.0,
   "midpoint_distance_m": 184.0,
   "start_elevation_m": 905.4402553230257,
   "end_elevation_m": 909.1955671427891,
   "start_xy": [
    4515252.710456373,
    2685236.579006567
   ],
   "end_xy": [
    4515246.282721678,
    2685217.688424776
   ]
  },
  "max_25m": {
   "gradient_pct": 18.077307545998792,
   "start_distance_m": 172.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 184.5,
   "start_elevation_m": 905.1500820636661,
   "end_elevation_m": 909.6694089501658,
   "start_xy": [
    4515253.260770769,
    2685238.5018050657
   ],
   "end_xy": [
    4515245.056542169,
    2685214.950454029
   ]
  },
  "max_50m": {
   "gradient_pct": 16.761097493825446,
   "start_distance_m": 146.0,
   "end_distance_m": 196.0,
   "midpoint_distance_m": 171.0,
   "start_elevation_m": 901.183135664255,
   "end_elevation_m": 909.5636844111677,
   "start_xy": [
    4515255.503617039,
    2685264.2786579416
   ],
   "end_xy": [
    4515245.4652686715,
    2685215.8631109446
   ]
  },
  "max_100m": {
   "gradient_pct": 15.966463186663987,
   "start_distance_m": 2068.0,
   "end_distance_m": 2168.0,
   "midpoint_distance_m": 2118.0,
   "start_elevation_m": 1129.1082150958855,
   "end_elevation_m": 1145.0746782825495,
   "start_xy": [
    4514796.983730694,
    2685269.718581834
   ],
   "end_xy": [
    4514801.376937036,
    2685191.186143298
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -17.930517557360872,
   "start_distance_m": 3804.0,
   "end_distance_m": 3809.0,
   "midpoint_distance_m": 3806.5,
   "start_elevation_m": 1322.8955992592041,
   "end_elevation_m": 1321.999073381336,
   "start_xy": [
    4513953.183339747,
    2685222.746007355
   ],
   "end_xy": [
    4513950.999978256,
    2685227.2441105777
   ]
  },
  "min_10m": {
   "gradient_pct": -17.358944807529042,
   "start_distance_m": 3803.0,
   "end_distance_m": 3813.0,
   "midpoint_distance_m": 3808.0,
   "start_elevation_m": 1323.063213396969,
   "end_elevation_m": 1321.3273189162162,
   "start_xy": [
    4513953.620012045,
    2685221.8463867106
   ],
   "end_xy": [
    4513950.376133438,
    2685231.1865596385
   ]
  },
  "min_20m": {
   "gradient_pct": -16.21268653779225,
   "start_distance_m": 3803.0,
   "end_distance_m": 3823.0,
   "midpoint_distance_m": 3813.0,
   "start_elevation_m": 1323.063213396969,
   "end_elevation_m": 1319.8206760894107,
   "start_xy": [
    4513953.620012045,
    2685221.8463867106
   ],
   "end_xy": [
    4513948.954756842,
    2685241.08502864
   ]
  },
  "min_25m": {
   "gradient_pct": -15.952482752695687,
   "start_distance_m": 3802.0,
   "end_distance_m": 3827.0,
   "midpoint_distance_m": 3814.5,
   "start_elevation_m": 1323.2203757775185,
   "end_elevation_m": 1319.2322550893446,
   "start_xy": [
    4513954.056684342,
    2685220.946766066
   ],
   "end_xy": [
    4513948.153542939,
    2685244.981818503
   ]
  },
  "min_50m": {
   "gradient_pct": -15.391279703577311,
   "start_distance_m": 3789.0,
   "end_distance_m": 3839.0,
   "midpoint_distance_m": 3814.0,
   "start_elevation_m": 1325.1230573966086,
   "end_elevation_m": 1317.42741754482,
   "start_xy": [
    4513959.990823376,
    2685209.3985812045
   ],
   "end_xy": [
    4513942.5718444325,
    2685255.507731393
   ]
  },
  "min_100m": {
   "gradient_pct": -14.794204214380215,
   "start_distance_m": 3787.0,
   "end_distance_m": 3887.0,
   "midpoint_distance_m": 3837.0,
   "start_elevation_m": 1325.4316798641369,
   "end_elevation_m": 1310.6374756497567,
   "start_xy": [
    4513961.095578885,
    2685207.7313933726
   ],
   "end_xy": [
    4513906.800254532,
    2685287.271865672
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 33.96700412622522,
   "start_distance_m": 216.0,
   "end_distance_m": 218.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 911.940040940272,
   "end_elevation_m": 912.6193810227965,
   "start_xy": [
    4515237.003356722,
    2685197.7521993057
   ],
   "end_xy": [
    4515236.047898357,
    2685195.995184988
   ]
  },
  "max_3m": {
   "gradient_pct": 31.383730416894196,
   "start_distance_m": 216.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 217.5,
   "start_elevation_m": 911.940040940272,
   "end_elevation_m": 912.8815528527788,
   "start_xy": [
    4515237.003356722,
    2685197.7521993057
   ],
   "end_xy": [
    4515235.570169175,
    2685195.1166778286
   ]
  }
 },
 "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": 0.047,
   "obstruction_max_height_m": 18.31,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50
   ]
  },
  "review": [],
  "extent": [
   "may_start_earlier",
   "descends_at_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_E4513-N2685.tif",
   "data/cache/at/bev-als_dtm_E4514-N2685.tif",
   "data/cache/at/bev-als_dtm_E4515-N2685.tif"
  ],
  "calculated_at": "2026-09-12T23:26:59+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": [
   "E4513-N2685",
   "E4514-N2685",
   "E4515-N2685"
  ],
  "elevation_blocks": [
   "N2650000E4500000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Uttendorf",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}