{
 "ocl_version": "0.1.0",
 "name": "Ennstalstra\u00dfe",
 "slug": "ennstalstrasse",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.981343779298413,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 500.0,
   "end_distance_m": 502.0,
   "start_elevation_m": 512.7592271171754,
   "end_elevation_m": 513.2188539927614,
   "min_gradient_pct": -8.42930145884111
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.905698631295007,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 499.0,
   "end_distance_m": 502.0,
   "start_elevation_m": 512.5316830338226,
   "end_elevation_m": 513.2188539927614,
   "min_gradient_pct": -7.793421827693692
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.766118420879593,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 497.0,
   "end_distance_m": 502.0,
   "start_elevation_m": 512.0805480717174,
   "end_elevation_m": 513.2188539927614,
   "min_gradient_pct": -6.879700257341028
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.33416819437025,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 494.0,
   "end_distance_m": 504.0,
   "start_elevation_m": 511.4152193265454,
   "end_elevation_m": 513.6486361459824,
   "min_gradient_pct": -3.9288804287775747
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.436349337456875,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 486.0,
   "end_distance_m": 506.0,
   "start_elevation_m": 509.74389180267445,
   "end_elevation_m": 514.0311616701658,
   "min_gradient_pct": 1.5155558055874963
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.557396421430212,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 478.0,
   "end_distance_m": 503.0,
   "start_elevation_m": 508.0487926637422,
   "end_elevation_m": 513.4381417690997,
   "min_gradient_pct": 2.5575660499698643
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.49016673202982,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 458.0,
   "end_distance_m": 508.0,
   "start_elevation_m": 505.1260908693288,
   "end_elevation_m": 514.3711742353437,
   "min_gradient_pct": 3.8653937933954694
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.00787652256247,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 408.0,
   "end_distance_m": 508.0,
   "start_elevation_m": 497.3632977127812,
   "end_elevation_m": 514.3711742353437,
   "min_gradient_pct": 6.276964261036426
  }
 ],
 "shape": {
  "ascent_concentration": 0.344,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 340.0,
  "shape_class": "sustained"
 },
 "length_m": 577.9015847293432,
 "start_elevation_m": 449.949772880249,
 "end_elevation_m": 518.1524630324122,
 "endpoint_gain_m": 68.20269015216326,
 "overall_gradient_pct": 11.801782856177075,
 "accumulated_ascent_m": 68.64977926030565,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.766118420879593,
   "start_distance_m": 497.0,
   "end_distance_m": 502.0,
   "midpoint_distance_m": 499.5,
   "start_elevation_m": 512.0805480717174,
   "end_elevation_m": 513.2188539927614,
   "start_xy": [
    4664492.54861189,
    2767399.273821475
   ],
   "end_xy": [
    4664496.013739884,
    2767395.6695534484
   ]
  },
  "max_10m": {
   "gradient_pct": 22.33416819437025,
   "start_distance_m": 494.0,
   "end_distance_m": 504.0,
   "midpoint_distance_m": 499.0,
   "start_elevation_m": 511.4152193265454,
   "end_elevation_m": 513.6486361459824,
   "start_xy": [
    4664490.507600409,
    2767401.4725193023
   ],
   "end_xy": [
    4664497.406887679,
    2767394.2345833373
   ]
  },
  "max_20m": {
   "gradient_pct": 21.436349337456875,
   "start_distance_m": 486.0,
   "end_distance_m": 506.0,
   "midpoint_distance_m": 496.0,
   "start_elevation_m": 509.74389180267445,
   "end_elevation_m": 514.0311616701658,
   "start_xy": [
    4664485.064903126,
    2767407.3357135076
   ],
   "end_xy": [
    4664499.198144076,
    2767393.493160789
   ]
  },
  "max_25m": {
   "gradient_pct": 21.557396421430212,
   "start_distance_m": 478.0,
   "end_distance_m": 503.0,
   "midpoint_distance_m": 490.5,
   "start_elevation_m": 508.0487926637422,
   "end_elevation_m": 513.4381417690997,
   "start_xy": [
    4664479.095155002,
    2767412.6186452927
   ],
   "end_xy": [
    4664496.710313782,
    2767394.9520683927
   ]
  },
  "max_50m": {
   "gradient_pct": 18.49016673202982,
   "start_distance_m": 458.0,
   "end_distance_m": 508.0,
   "midpoint_distance_m": 483.0,
   "start_elevation_m": 505.1260908693288,
   "end_elevation_m": 514.3711742353437,
   "start_xy": [
    4664465.024922847,
    2767426.658364932
   ],
   "end_xy": [
    4664501.139862257,
    2767393.0138586857
   ]
  },
  "max_100m": {
   "gradient_pct": 17.00787652256247,
   "start_distance_m": 408.0,
   "end_distance_m": 508.0,
   "midpoint_distance_m": 458.0,
   "start_elevation_m": 497.3632977127812,
   "end_elevation_m": 514.3711742353437,
   "start_xy": [
    4664440.66833327,
    2767470.090300709
   ],
   "end_xy": [
    4664501.139862257,
    2767393.0138586857
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.879700257341028,
   "start_distance_m": 512.0,
   "end_distance_m": 517.0,
   "midpoint_distance_m": 514.5,
   "start_elevation_m": 514.64585060338,
   "end_elevation_m": 514.301865590513,
   "start_xy": [
    4664504.559326474,
    2767394.054290186
   ],
   "end_xy": [
    4664503.857478014,
    2767398.429410127
   ]
  },
  "min_10m": {
   "gradient_pct": -3.9288804287775747,
   "start_distance_m": 511.0,
   "end_distance_m": 521.0,
   "midpoint_distance_m": 516.0,
   "start_elevation_m": 514.6943722171671,
   "end_elevation_m": 514.3014841742894,
   "start_xy": [
    4664504.120451317,
    2767393.2293371833
   ],
   "end_xy": [
    4664501.879152879,
    2767401.8776882007
   ]
  },
  "min_20m": {
   "gradient_pct": 1.5155558055874963,
   "start_distance_m": 511.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 521.0,
   "start_elevation_m": 514.6943722171671,
   "end_elevation_m": 514.9974833782846,
   "start_xy": [
    4664504.120451317,
    2767393.2293371833
   ],
   "end_xy": [
    4664498.653263519,
    2767411.3360257135
   ]
  },
  "min_25m": {
   "gradient_pct": 2.5575660499698643,
   "start_distance_m": 511.0,
   "end_distance_m": 536.0,
   "midpoint_distance_m": 523.5,
   "start_elevation_m": 514.6943722171671,
   "end_elevation_m": 515.3337637296596,
   "start_xy": [
    4664504.120451317,
    2767393.2293371833
   ],
   "end_xy": [
    4664497.184839171,
    2767416.1155371885
   ]
  },
  "min_50m": {
   "gradient_pct": 3.8653937933954694,
   "start_distance_m": 511.0,
   "end_distance_m": 561.0,
   "midpoint_distance_m": 536.0,
   "start_elevation_m": 514.6943722171671,
   "end_elevation_m": 516.6270691138649,
   "start_xy": [
    4664504.120451317,
    2767393.2293371833
   ],
   "end_xy": [
    4664492.669169675,
    2767440.671304324
   ]
  },
  "min_100m": {
   "gradient_pct": 6.276964261036426,
   "start_distance_m": 77.0,
   "end_distance_m": 177.0,
   "midpoint_distance_m": 127.0,
   "start_elevation_m": 458.0649626196689,
   "end_elevation_m": 464.34192688070533,
   "start_xy": [
    4664345.571470086,
    2767668.5903949924
   ],
   "end_xy": [
    4664417.834517459,
    2767686.994760117
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.981343779298413,
   "start_distance_m": 500.0,
   "end_distance_m": 502.0,
   "midpoint_distance_m": 501.0,
   "start_elevation_m": 512.7592271171754,
   "end_elevation_m": 513.2188539927614,
   "start_xy": [
    4664494.620592088,
    2767397.1045235596
   ],
   "end_xy": [
    4664496.013739884,
    2767395.6695534484
   ]
  },
  "max_3m": {
   "gradient_pct": 22.905698631295007,
   "start_distance_m": 499.0,
   "end_distance_m": 502.0,
   "midpoint_distance_m": 500.5,
   "start_elevation_m": 512.5316830338226,
   "end_elevation_m": 513.2188539927614,
   "start_xy": [
    4664493.924018191,
    2767397.822008615
   ],
   "end_xy": [
    4664496.013739884,
    2767395.6695534484
   ]
  }
 },
 "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": 0.009,
   "obstruction_max_height_m": 12.87,
   "flagged_windows_m": [
    20,
    25,
    50,
    100
   ]
  },
  "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_E4664-N2767.tif"
  ],
  "calculated_at": "2026-09-11T07:20:13+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": [
   "E4664-N2767"
  ],
  "elevation_blocks": [
   "N2750000E4650000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Maria Neustift",
  "county": "Ober\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}