{
 "ocl_version": "0.1.0",
 "name": "Zauchensee",
 "slug": "zauchensee",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.916838949334306,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1291.0,
   "end_distance_m": 1293.0,
   "start_elevation_m": 1720.32693366074,
   "end_elevation_m": 1721.0252704397267,
   "min_gradient_pct": -11.961201135920874
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.59230115504579,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1271.0,
   "end_distance_m": 1274.0,
   "start_elevation_m": 1716.5837274976816,
   "end_elevation_m": 1717.561496532333,
   "min_gradient_pct": -11.472839926500455
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.12734989762339,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1270.0,
   "end_distance_m": 1275.0,
   "start_elevation_m": 1716.2566585530496,
   "end_elevation_m": 1717.8630260479308,
   "min_gradient_pct": -10.512962357361175
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.706548215162456,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1268.0,
   "end_distance_m": 1278.0,
   "start_elevation_m": 1715.800191867906,
   "end_elevation_m": 1718.5708466894223,
   "min_gradient_pct": -9.688309164487237
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.559411639840846,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1262.0,
   "end_distance_m": 1282.0,
   "start_elevation_m": 1714.6033446078666,
   "end_elevation_m": 1719.3152269358347,
   "min_gradient_pct": -8.055381969624023
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.695118623048984,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1098.0,
   "end_distance_m": 1123.0,
   "start_elevation_m": 1684.4950732759844,
   "end_elevation_m": 1690.1688529317466,
   "min_gradient_pct": -7.6166635941972345
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.37667752694597,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1097.0,
   "end_distance_m": 1147.0,
   "start_elevation_m": 1684.277609606018,
   "end_elevation_m": 1695.465948369491,
   "min_gradient_pct": -6.450007742694197
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.41608323162677,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1078.0,
   "end_distance_m": 1178.0,
   "start_elevation_m": 1681.1280212995114,
   "end_elevation_m": 1701.5441045311381,
   "min_gradient_pct": -1.3906993011903523
  }
 ],
 "shape": {
  "ascent_concentration": 0.307,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 252.0,
  "shape_class": "sustained"
 },
 "length_m": 2346.5243431229273,
 "start_elevation_m": 1550.6741471400835,
 "end_elevation_m": 1860.653030769518,
 "endpoint_gain_m": 309.97888362943445,
 "overall_gradient_pct": 13.210128611616778,
 "accumulated_ascent_m": 313.3575222003342,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.12734989762339,
   "start_distance_m": 1270.0,
   "end_distance_m": 1275.0,
   "midpoint_distance_m": 1272.5,
   "start_elevation_m": 1716.2566585530496,
   "end_elevation_m": 1717.8630260479308,
   "start_xy": [
    4582729.638368256,
    2691039.695001976
   ],
   "end_xy": [
    4582732.464415406,
    2691035.571867554
   ]
  },
  "max_10m": {
   "gradient_pct": 27.706548215162456,
   "start_distance_m": 1268.0,
   "end_distance_m": 1278.0,
   "midpoint_distance_m": 1273.0,
   "start_elevation_m": 1715.800191867906,
   "end_elevation_m": 1718.5708466894223,
   "start_xy": [
    4582728.41968614,
    2691041.2808184535
   ],
   "end_xy": [
    4582734.13634078,
    2691033.0809509475
   ]
  },
  "max_20m": {
   "gradient_pct": 23.559411639840846,
   "start_distance_m": 1262.0,
   "end_distance_m": 1282.0,
   "midpoint_distance_m": 1272.0,
   "start_elevation_m": 1714.6033446078666,
   "end_elevation_m": 1719.3152269358347,
   "start_xy": [
    4582724.763639792,
    2691046.038267886
   ],
   "end_xy": [
    4582736.365574613,
    2691029.759728805
   ]
  },
  "max_25m": {
   "gradient_pct": 22.695118623048984,
   "start_distance_m": 1098.0,
   "end_distance_m": 1123.0,
   "midpoint_distance_m": 1110.5,
   "start_elevation_m": 1684.4950732759844,
   "end_elevation_m": 1690.1688529317466,
   "start_xy": [
    4582783.137820866,
    2691100.1304820636
   ],
   "end_xy": [
    4582762.049119627,
    2691113.55682483
   ]
  },
  "max_50m": {
   "gradient_pct": 22.37667752694597,
   "start_distance_m": 1097.0,
   "end_distance_m": 1147.0,
   "midpoint_distance_m": 1122.0,
   "start_elevation_m": 1684.277609606018,
   "end_elevation_m": 1695.465948369491,
   "start_xy": [
    4582783.991956944,
    2691099.610674644
   ],
   "end_xy": [
    4582740.621625126,
    2691124.3114632345
   ]
  },
  "max_100m": {
   "gradient_pct": 20.41608323162677,
   "start_distance_m": 1078.0,
   "end_distance_m": 1178.0,
   "midpoint_distance_m": 1128.0,
   "start_elevation_m": 1681.1280212995114,
   "end_elevation_m": 1701.5441045311381,
   "start_xy": [
    4582800.3442336,
    2691089.935807816
   ],
   "end_xy": [
    4582714.299924913,
    2691120.9893858186
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -10.512962357361175,
   "start_distance_m": 129.0,
   "end_distance_m": 134.0,
   "midpoint_distance_m": 131.5,
   "start_elevation_m": 1557.7578149646004,
   "end_elevation_m": 1557.2321668467323,
   "start_xy": [
    4583255.074127783,
    2691341.535386085
   ],
   "end_xy": [
    4583250.467522565,
    2691339.591372616
   ]
  },
  "min_10m": {
   "gradient_pct": -9.688309164487237,
   "start_distance_m": 129.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 134.0,
   "start_elevation_m": 1557.7578149646004,
   "end_elevation_m": 1556.7889840481516,
   "start_xy": [
    4583255.074127783,
    2691341.535386085
   ],
   "end_xy": [
    4583246.191700384,
    2691337.1573887323
   ]
  },
  "min_20m": {
   "gradient_pct": -8.055381969624023,
   "start_distance_m": 124.0,
   "end_distance_m": 144.0,
   "midpoint_distance_m": 134.0,
   "start_elevation_m": 1558.0834979841889,
   "end_elevation_m": 1556.472421590264,
   "start_xy": [
    4583259.680733001,
    2691343.479399554
   ],
   "end_xy": [
    4583242.666498629,
    2691333.6115527814
   ]
  },
  "min_25m": {
   "gradient_pct": -7.6166635941972345,
   "start_distance_m": 124.0,
   "end_distance_m": 149.0,
   "midpoint_distance_m": 136.5,
   "start_elevation_m": 1558.0834979841889,
   "end_elevation_m": 1556.1793320856395,
   "start_xy": [
    4583259.680733001,
    2691343.479399554
   ],
   "end_xy": [
    4583239.141296875,
    2691330.0657168305
   ]
  },
  "min_50m": {
   "gradient_pct": -6.450007742694197,
   "start_distance_m": 103.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 1559.230371110931,
   "end_elevation_m": 1556.0053672395838,
   "start_xy": [
    4583279.028474916,
    2691351.6442561233
   ],
   "end_xy": [
    4583236.321135472,
    2691327.2290480696
   ]
  },
  "min_100m": {
   "gradient_pct": -1.3906993011903523,
   "start_distance_m": 76.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 126.0,
   "start_elevation_m": 1558.2092026446692,
   "end_elevation_m": 1556.8185033434788,
   "start_xy": [
    4583271.485641309,
    2691377.517670772
   ],
   "end_xy": [
    4583217.792096965,
    2691313.780835708
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.916838949334306,
   "start_distance_m": 1291.0,
   "end_distance_m": 1293.0,
   "midpoint_distance_m": 1292.0,
   "start_elevation_m": 1720.32693366074,
   "end_elevation_m": 1721.0252704397267,
   "start_xy": [
    4582734.739986432,
    2691024.5143102445
   ],
   "end_xy": [
    4582732.849518895,
    2691023.861521999
   ]
  },
  "max_3m": {
   "gradient_pct": 32.59230115504579,
   "start_distance_m": 1271.0,
   "end_distance_m": 1274.0,
   "midpoint_distance_m": 1272.5,
   "start_elevation_m": 1716.5837274976816,
   "end_elevation_m": 1717.561496532333,
   "start_xy": [
    4582730.235181573,
    2691038.8930896963
   ],
   "end_xy": [
    4582731.907106947,
    2691036.40217309
   ]
  }
 },
 "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": 0.021,
   "obstruction_max_height_m": 13.96,
   "flagged_windows_m": []
  },
  "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_E4582-N2691.tif",
   "data/cache/at/bev-als_dtm_E4583-N2691.tif"
  ],
  "calculated_at": "2026-09-11T15:56:54+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-run2-260911",
  "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": [
   "E4582-N2691",
   "E4583-N2691"
  ],
  "elevation_blocks": [
   "N2650000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Altenmarkt im Pongau",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}