{
 "ocl_version": "0.1.0",
 "name": "Hilfberg",
 "slug": "hilfberg-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.005060945809873,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 854.0,
   "end_distance_m": 856.0,
   "start_elevation_m": 603.5875308724178,
   "end_elevation_m": 604.027632091334,
   "min_gradient_pct": -8.53559471406129,
   "suppressed_max_gradient_pct": 25.644854638989045,
   "suppressed_location_m": [
    19.0,
    21.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.878116925074664,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 853.0,
   "end_distance_m": 856.0,
   "start_elevation_m": 603.3712885835818,
   "end_elevation_m": 604.027632091334,
   "min_gradient_pct": -7.597166603742759,
   "suppressed_max_gradient_pct": 23.27776286288478,
   "suppressed_location_m": [
    19.0,
    22.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.70266877003087,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 851.0,
   "end_distance_m": 856.0,
   "start_elevation_m": 602.9424986528325,
   "end_elevation_m": 604.027632091334,
   "min_gradient_pct": -2.123385772679285
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.53090935503087,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 851.0,
   "end_distance_m": 861.0,
   "start_elevation_m": 602.9424986528325,
   "end_elevation_m": 605.0955895883355,
   "min_gradient_pct": -2.080607319876435
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.243589234556453,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 841.0,
   "end_distance_m": 861.0,
   "start_elevation_m": 600.8468717414243,
   "end_elevation_m": 605.0955895883355,
   "min_gradient_pct": -1.9345637350079414
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.12836696641307,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 839.0,
   "end_distance_m": 864.0,
   "start_elevation_m": 600.4326932366163,
   "end_elevation_m": 605.7147849782195,
   "min_gradient_pct": -1.7995525601004374
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.788303059022837,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 822.0,
   "end_distance_m": 872.0,
   "start_elevation_m": 597.2705216203271,
   "end_elevation_m": 607.1646731498386,
   "min_gradient_pct": -1.4290356208721278
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.55581704679946,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 778.0,
   "end_distance_m": 878.0,
   "start_elevation_m": 590.634117494787,
   "end_elevation_m": 608.1899345415865,
   "min_gradient_pct": -0.39539520195842215
  }
 ],
 "shape": {
  "ascent_concentration": 0.354,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 124.0,
  "shape_class": "sustained"
 },
 "length_m": 878.0550240071941,
 "start_elevation_m": 542.0674754028219,
 "end_elevation_m": 608.1986076454979,
 "endpoint_gain_m": 66.13113224267602,
 "overall_gradient_pct": 7.531547617696244,
 "accumulated_ascent_m": 67.26514616624661,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.70266877003087,
   "start_distance_m": 851.0,
   "end_distance_m": 856.0,
   "midpoint_distance_m": 853.5,
   "start_elevation_m": 602.9424986528325,
   "end_elevation_m": 604.027632091334,
   "start_xy": [
    4573220.833484536,
    2754447.265372986
   ],
   "end_xy": [
    4573225.507388255,
    2754449.041499115
   ]
  },
  "max_10m": {
   "gradient_pct": 21.53090935503087,
   "start_distance_m": 851.0,
   "end_distance_m": 861.0,
   "midpoint_distance_m": 856.0,
   "start_elevation_m": 602.9424986528325,
   "end_elevation_m": 605.0955895883355,
   "start_xy": [
    4573220.833484536,
    2754447.265372986
   ],
   "end_xy": [
    4573230.181291973,
    2754450.8176252446
   ]
  },
  "max_20m": {
   "gradient_pct": 21.243589234556453,
   "start_distance_m": 841.0,
   "end_distance_m": 861.0,
   "midpoint_distance_m": 851.0,
   "start_elevation_m": 600.8468717414243,
   "end_elevation_m": 605.0955895883355,
   "start_xy": [
    4573211.485677099,
    2754443.713120727
   ],
   "end_xy": [
    4573230.181291973,
    2754450.8176252446
   ]
  },
  "max_25m": {
   "gradient_pct": 21.12836696641307,
   "start_distance_m": 839.0,
   "end_distance_m": 864.0,
   "midpoint_distance_m": 851.5,
   "start_elevation_m": 600.4326932366163,
   "end_elevation_m": 605.7147849782195,
   "start_xy": [
    4573209.616115611,
    2754443.002670275
   ],
   "end_xy": [
    4573232.985634205,
    2754451.8833009223
   ]
  },
  "max_50m": {
   "gradient_pct": 19.788303059022837,
   "start_distance_m": 822.0,
   "end_distance_m": 872.0,
   "midpoint_distance_m": 847.0,
   "start_elevation_m": 597.2705216203271,
   "end_elevation_m": 607.1646731498386,
   "start_xy": [
    4573193.724842967,
    2754436.963841435
   ],
   "end_xy": [
    4573240.463880155,
    2754454.7251027296
   ]
  },
  "max_100m": {
   "gradient_pct": 17.55581704679946,
   "start_distance_m": 778.0,
   "end_distance_m": 878.0,
   "midpoint_distance_m": 828.0,
   "start_elevation_m": 590.634117494787,
   "end_elevation_m": 608.1899345415865,
   "start_xy": [
    4573152.594490242,
    2754421.3339314964
   ],
   "end_xy": [
    4573246.072564618,
    2754456.8564540846
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.123385772679285,
   "start_distance_m": 243.0,
   "end_distance_m": 248.0,
   "midpoint_distance_m": 245.5,
   "start_elevation_m": 558.4502169725797,
   "end_elevation_m": 558.3440476839457,
   "start_xy": [
    4572797.7711415365,
    2754422.9866954507
   ],
   "end_xy": [
    4572801.728637297,
    2754419.930844128
   ]
  },
  "min_10m": {
   "gradient_pct": -2.080607319876435,
   "start_distance_m": 243.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 248.0,
   "start_elevation_m": 558.4502169725797,
   "end_elevation_m": 558.2421562405921,
   "start_xy": [
    4572797.7711415365,
    2754422.9866954507
   ],
   "end_xy": [
    4572805.686133058,
    2754416.874992805
   ]
  },
  "min_20m": {
   "gradient_pct": -1.9345637350079414,
   "start_distance_m": 237.0,
   "end_distance_m": 257.0,
   "midpoint_distance_m": 247.0,
   "start_elevation_m": 558.5577272999319,
   "end_elevation_m": 558.1708145529303,
   "start_xy": [
    4572793.0221466245,
    2754426.653717038
   ],
   "end_xy": [
    4572808.852129666,
    2754414.430311747
   ]
  },
  "min_25m": {
   "gradient_pct": -1.7995525601004374,
   "start_distance_m": 235.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 247.5,
   "start_elevation_m": 558.5827120010557,
   "end_elevation_m": 558.1328238610306,
   "start_xy": [
    4572791.43914832,
    2754427.876057567
   ],
   "end_xy": [
    4572811.1880733995,
    2754412.5489770477
   ]
  },
  "min_50m": {
   "gradient_pct": -1.4290356208721278,
   "start_distance_m": 238.0,
   "end_distance_m": 288.0,
   "midpoint_distance_m": 263.0,
   "start_elevation_m": 558.5472637786021,
   "end_elevation_m": 557.832745968166,
   "start_xy": [
    4572793.813645776,
    2754426.0425467733
   ],
   "end_xy": [
    4572832.613872919,
    2754394.5230203485
   ]
  },
  "min_100m": {
   "gradient_pct": -0.39539520195842215,
   "start_distance_m": 215.0,
   "end_distance_m": 315.0,
   "midpoint_distance_m": 265.0,
   "start_elevation_m": 558.329506271924,
   "end_elevation_m": 557.9341110699655,
   "start_xy": [
    4572775.609165279,
    2754440.0994628584
   ],
   "end_xy": [
    4572853.794437034,
    2754377.8667093213
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.005060945809873,
   "start_distance_m": 854.0,
   "end_distance_m": 856.0,
   "midpoint_distance_m": 855.0,
   "start_elevation_m": 603.5875308724178,
   "end_elevation_m": 604.027632091334,
   "start_xy": [
    4573223.637826768,
    2754448.3310486637
   ],
   "end_xy": [
    4573225.507388255,
    2754449.041499115
   ]
  },
  "max_3m": {
   "gradient_pct": 21.878116925074664,
   "start_distance_m": 853.0,
   "end_distance_m": 856.0,
   "midpoint_distance_m": 854.5,
   "start_elevation_m": 603.3712885835818,
   "end_elevation_m": 604.027632091334,
   "start_xy": [
    4573222.703046024,
    2754447.975823438
   ],
   "end_xy": [
    4573225.507388255,
    2754449.041499115
   ]
  }
 },
 "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": 0.09,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.06,
   "obstruction_max_height_m": 17.94,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    78.0
   ]
  ],
  "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_E4572-N2754.tif",
   "data/cache/at/bev-als_dtm_E4573-N2754.tif"
  ],
  "calculated_at": "2026-09-11T07:22:07+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-run1-260911",
  "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": [
   "E4572-N2754",
   "E4573-N2754"
  ],
  "elevation_blocks": [
   "N2750000E4550000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "mask_basin_extension_m": 30.0,
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Tiefgraben",
  "county": "Ober\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}