{
 "ocl_version": "0.1.0",
 "name": "Salzquellenweg",
 "slug": "salzquellenweg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.01097089231348,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 109.0,
   "end_distance_m": 111.0,
   "start_elevation_m": 453.1590128031088,
   "end_elevation_m": 453.71923222095506,
   "min_gradient_pct": -2.4324534351819693
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.394624663478833,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 108.0,
   "end_distance_m": 111.0,
   "start_elevation_m": 452.8973934810507,
   "end_elevation_m": 453.71923222095506,
   "min_gradient_pct": -2.4044960291102293
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.788942523237438,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 109.0,
   "end_distance_m": 114.0,
   "start_elevation_m": 453.1590128031088,
   "end_elevation_m": 454.49845992927067,
   "min_gradient_pct": -2.3087952572302584
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.171654000191893,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 105.0,
   "end_distance_m": 115.0,
   "start_elevation_m": 452.1286763436387,
   "end_elevation_m": 454.7458417436579,
   "min_gradient_pct": -1.9910458313023582
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.591339219119504,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 105.0,
   "end_distance_m": 125.0,
   "start_elevation_m": 452.1286763436387,
   "end_elevation_m": 457.2469441874626,
   "min_gradient_pct": -0.7632113765046711
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.171195338713915,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 101.0,
   "end_distance_m": 126.0,
   "start_elevation_m": 451.1949365431918,
   "end_elevation_m": 457.48773537787025,
   "min_gradient_pct": 0.0033523426809551893
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.374592156182075,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 87.0,
   "end_distance_m": 137.0,
   "start_elevation_m": 448.13498230904486,
   "end_elevation_m": 459.8222783871359,
   "min_gradient_pct": 2.339217762335693
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.115280122264608,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 68.0,
   "end_distance_m": 168.0,
   "start_elevation_m": 445.62310041722696,
   "end_elevation_m": 464.7383805394916,
   "min_gradient_pct": 5.924992482661082
  }
 ],
 "shape": {
  "ascent_concentration": 0.387,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 129.0,
  "shape_class": "sustained"
 },
 "length_m": 379.8277343848208,
 "start_elevation_m": 440.9253844004947,
 "end_elevation_m": 488.79680291078006,
 "endpoint_gain_m": 47.871418510285366,
 "overall_gradient_pct": 12.603455244735933,
 "accumulated_ascent_m": 48.16250380735437,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.788942523237438,
   "start_distance_m": 109.0,
   "end_distance_m": 114.0,
   "midpoint_distance_m": 111.5,
   "start_elevation_m": 453.1590128031088,
   "end_elevation_m": 454.49845992927067,
   "start_xy": [
    4551274.242199999,
    2737016.9493569992
   ],
   "end_xy": [
    4551272.613491305,
    2737012.2438845355
   ]
  },
  "max_10m": {
   "gradient_pct": 26.171654000191893,
   "start_distance_m": 105.0,
   "end_distance_m": 115.0,
   "midpoint_distance_m": 110.0,
   "start_elevation_m": 452.1286763436387,
   "end_elevation_m": 454.7458417436579,
   "start_xy": [
    4551275.993306543,
    2737020.545692061
   ],
   "end_xy": [
    4551272.352180288,
    2737011.278629879
   ]
  },
  "max_20m": {
   "gradient_pct": 25.591339219119504,
   "start_distance_m": 105.0,
   "end_distance_m": 125.0,
   "midpoint_distance_m": 115.0,
   "start_elevation_m": 452.1286763436387,
   "end_elevation_m": 457.2469441874626,
   "start_xy": [
    4551275.993306543,
    2737020.545692061
   ],
   "end_xy": [
    4551269.739070112,
    2737001.626083313
   ]
  },
  "max_25m": {
   "gradient_pct": 25.171195338713915,
   "start_distance_m": 101.0,
   "end_distance_m": 126.0,
   "midpoint_distance_m": 113.5,
   "start_elevation_m": 451.1949365431918,
   "end_elevation_m": 457.48773537787025,
   "start_xy": [
    4551277.621284508,
    2737024.1979380725
   ],
   "end_xy": [
    4551269.477759095,
    2737000.660828656
   ]
  },
  "max_50m": {
   "gradient_pct": 23.374592156182075,
   "start_distance_m": 87.0,
   "end_distance_m": 137.0,
   "midpoint_distance_m": 112.0,
   "start_elevation_m": 448.13498230904486,
   "end_elevation_m": 459.8222783871359,
   "start_xy": [
    4551283.0419128155,
    2737037.1058748094
   ],
   "end_xy": [
    4551266.603337901,
    2736990.0430274336
   ]
  },
  "max_100m": {
   "gradient_pct": 19.115280122264608,
   "start_distance_m": 68.0,
   "end_distance_m": 168.0,
   "midpoint_distance_m": 118.0,
   "start_elevation_m": 445.62310041722696,
   "end_elevation_m": 464.7383805394916,
   "start_xy": [
    4551291.440989419,
    2737054.1062118784
   ],
   "end_xy": [
    4551270.271696326,
    2736964.2938200776
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.3087952572302584,
   "start_distance_m": 209.0,
   "end_distance_m": 214.0,
   "midpoint_distance_m": 211.5,
   "start_elevation_m": 466.20378430768545,
   "end_elevation_m": 466.08834454482394,
   "start_xy": [
    4551308.110842651,
    2736952.0875796955
   ],
   "end_xy": [
    4551309.9128810195,
    2736947.4236058793
   ]
  },
  "min_10m": {
   "gradient_pct": -1.9910458313023582,
   "start_distance_m": 204.0,
   "end_distance_m": 214.0,
   "midpoint_distance_m": 209.0,
   "start_elevation_m": 466.2874491279542,
   "end_elevation_m": 466.08834454482394,
   "start_xy": [
    4551304.841129591,
    2736955.52862984
   ],
   "end_xy": [
    4551309.9128810195,
    2736947.4236058793
   ]
  },
  "min_20m": {
   "gradient_pct": -0.7632113765046711,
   "start_distance_m": 195.0,
   "end_distance_m": 215.0,
   "midpoint_distance_m": 205.0,
   "start_elevation_m": 466.2239411005274,
   "end_elevation_m": 466.07129882522645,
   "start_xy": [
    4551296.70868255,
    2736958.945825232
   ],
   "end_xy": [
    4551310.2734615775,
    2736946.490877805
   ]
  },
  "min_25m": {
   "gradient_pct": 0.0033523426809551893,
   "start_distance_m": 191.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 203.5,
   "start_elevation_m": 466.108465052126,
   "end_elevation_m": 466.10930313779625,
   "start_xy": [
    4551292.746637284,
    2736959.4955499903
   ],
   "end_xy": [
    4551309.995273792,
    2736945.5825938378
   ]
  },
  "min_50m": {
   "gradient_pct": 2.339217762335693,
   "start_distance_m": 175.0,
   "end_distance_m": 225.0,
   "midpoint_distance_m": 200.0,
   "start_elevation_m": 465.3456246884933,
   "end_elevation_m": 466.5152335696611,
   "start_xy": [
    4551277.063912909,
    2736962.6305722715
   ],
   "end_xy": [
    4551305.899980385,
    2736937.5797948847
   ]
  },
  "min_100m": {
   "gradient_pct": 5.924992482661082,
   "start_distance_m": 167.0,
   "end_distance_m": 267.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 464.62893729818575,
   "end_elevation_m": 470.55392978084683,
   "start_xy": [
    4551269.32006152,
    2736964.601051578
   ],
   "end_xy": [
    4551312.409860092,
    2736898.096491922
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.01097089231348,
   "start_distance_m": 109.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 110.0,
   "start_elevation_m": 453.1590128031088,
   "end_elevation_m": 453.71923222095506,
   "start_xy": [
    4551274.242199999,
    2737016.9493569992
   ],
   "end_xy": [
    4551273.397424358,
    2737015.1396485055
   ]
  },
  "max_3m": {
   "gradient_pct": 27.394624663478833,
   "start_distance_m": 108.0,
   "end_distance_m": 111.0,
   "midpoint_distance_m": 109.5,
   "start_elevation_m": 452.8973934810507,
   "end_elevation_m": 453.71923222095506,
   "start_xy": [
    4551274.679976636,
    2737017.848440765
   ],
   "end_xy": [
    4551273.397424358,
    2737015.1396485055
   ]
  }
 },
 "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": 0.079,
   "obstruction_max_height_m": 6.58,
   "flagged_windows_m": []
  },
  "review": [],
  "extent": [
   "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_E4551-N2736.tif",
   "data/cache/at/bev-als_dtm_E4551-N2737.tif"
  ],
  "calculated_at": "2026-09-13T00:27:08+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": [
   "E4551-N2736",
   "E4551-N2737"
  ],
  "elevation_blocks": [
   "N2700000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Hallein",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}