{
 "ocl_version": "0.1.0",
 "name": "Blauer Einschnitt",
 "slug": "blauer-einschnitt",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.904114046312543,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 24.0,
   "end_distance_m": 26.0,
   "start_elevation_m": 749.936637688319,
   "end_elevation_m": 750.4547199692453,
   "min_gradient_pct": 1.0949278282396335
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.571986646310506,
   "diagnostic": true,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 23.0,
   "end_distance_m": 26.0,
   "start_elevation_m": 749.717560369856,
   "end_elevation_m": 750.4547199692453,
   "min_gradient_pct": 1.7744459443557996
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.582243229197047,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 231.0,
   "end_distance_m": 236.0,
   "start_elevation_m": 777.2690572594456,
   "end_elevation_m": 778.4981694209055,
   "min_gradient_pct": 2.280997337293229
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.91621196705728,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 227.0,
   "end_distance_m": 237.0,
   "start_elevation_m": 776.3481437362574,
   "end_elevation_m": 778.7397649329631,
   "min_gradient_pct": 2.868569107751
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.696362272992587,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 221.0,
   "end_distance_m": 241.0,
   "start_elevation_m": 775.077369557438,
   "end_elevation_m": 779.6166420120366,
   "min_gradient_pct": 3.7214615589738287
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.236746932739607,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 222.0,
   "end_distance_m": 247.0,
   "start_elevation_m": 775.2897269461782,
   "end_elevation_m": 780.8489136793631,
   "min_gradient_pct": 4.511173756488915
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.208760673345978,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 198.0,
   "end_distance_m": 248.0,
   "start_elevation_m": 770.4404930116627,
   "end_elevation_m": 781.0448733483357,
   "min_gradient_pct": 6.110629320896805
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.935637552793423,
   "diagnostic": false,
   "flags": [
    "canopy_or_structure"
   ],
   "start_distance_m": 177.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 766.1400039087933,
   "end_elevation_m": 786.0756414615868,
   "min_gradient_pct": 7.903791242352668
  }
 ],
 "shape": {
  "ascent_concentration": 0.347,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 202.0,
  "shape_class": "sustained"
 },
 "length_m": 534.100000000108,
 "start_elevation_m": 745.9946066729923,
 "end_elevation_m": 819.3818767971054,
 "endpoint_gain_m": 73.38727012411312,
 "overall_gradient_pct": 13.74036137878642,
 "accumulated_ascent_m": 73.38727012411312,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.582243229197047,
   "start_distance_m": 231.0,
   "end_distance_m": 236.0,
   "midpoint_distance_m": 233.5,
   "start_elevation_m": 777.2690572594456,
   "end_elevation_m": 778.4981694209055,
   "start_xy": [
    4759297.004482496,
    2744984.175057009
   ],
   "end_xy": [
    4759292.134641567,
    2744983.0416355175
   ]
  },
  "max_10m": {
   "gradient_pct": 23.91621196705728,
   "start_distance_m": 227.0,
   "end_distance_m": 237.0,
   "midpoint_distance_m": 232.0,
   "start_elevation_m": 776.3481437362574,
   "end_elevation_m": 778.7397649329631,
   "start_xy": [
    4759300.900303807,
    2744985.082015364
   ],
   "end_xy": [
    4759291.160668166,
    2744982.8149739713
   ]
  },
  "max_20m": {
   "gradient_pct": 22.696362272992587,
   "start_distance_m": 221.0,
   "end_distance_m": 241.0,
   "midpoint_distance_m": 231.0,
   "start_elevation_m": 775.077369557438,
   "end_elevation_m": 779.6166420120366,
   "start_xy": [
    4759306.744146071,
    2744986.4419786017
   ],
   "end_xy": [
    4759287.264870463,
    2744981.907914369
   ]
  },
  "max_25m": {
   "gradient_pct": 22.236746932739607,
   "start_distance_m": 222.0,
   "end_distance_m": 247.0,
   "midpoint_distance_m": 234.5,
   "start_elevation_m": 775.2897269461782,
   "end_elevation_m": 780.8489136793631,
   "start_xy": [
    4759305.770126338,
    2744986.2155159675
   ],
   "end_xy": [
    4759281.4210282,
    2744980.5479511307
   ]
  },
  "max_50m": {
   "gradient_pct": 21.208760673345978,
   "start_distance_m": 198.0,
   "end_distance_m": 248.0,
   "midpoint_distance_m": 223.0,
   "start_elevation_m": 770.4404930116627,
   "end_elevation_m": 781.0448733483357,
   "start_xy": [
    4759328.802773783,
    2744992.880575994
   ],
   "end_xy": [
    4759280.447128019,
    2744980.3209743947
   ]
  },
  "max_100m": {
   "gradient_pct": 19.935637552793423,
   "start_distance_m": 177.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 227.0,
   "start_elevation_m": 766.1400039087933,
   "end_elevation_m": 786.0756414615868,
   "start_xy": [
    4759348.714352762,
    2744999.5514898426
   ],
   "end_xy": [
    4759252.492756906,
    2744972.711519145
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.280997337293229,
   "start_distance_m": 36.0,
   "end_distance_m": 41.0,
   "midpoint_distance_m": 38.5,
   "start_elevation_m": 751.0861478925578,
   "end_elevation_m": 751.2001977594225,
   "start_xy": [
    4759442.861224012,
    2745090.6510220044
   ],
   "end_xy": [
    4759438.917782267,
    2745087.5900170472
   ]
  },
  "min_10m": {
   "gradient_pct": 2.868569107751,
   "start_distance_m": 30.0,
   "end_distance_m": 40.0,
   "midpoint_distance_m": 35.0,
   "start_elevation_m": 750.8713736066761,
   "end_elevation_m": 751.1582305174512,
   "start_xy": [
    4759448.466711309,
    2745092.778619171
   ],
   "end_xy": [
    4759439.695911447,
    2745088.2181213214
   ]
  },
  "min_20m": {
   "gradient_pct": 3.7214615589738287,
   "start_distance_m": 30.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 40.0,
   "start_elevation_m": 750.8713736066761,
   "end_elevation_m": 751.6156659184709,
   "start_xy": [
    4759448.466711309,
    2745092.778619171
   ],
   "end_xy": [
    4759433.158916657,
    2745080.8724024505
   ]
  },
  "min_25m": {
   "gradient_pct": 4.511173756488915,
   "start_distance_m": 29.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 41.5,
   "start_elevation_m": 750.8015815983607,
   "end_elevation_m": 751.9293750374829,
   "start_xy": [
    4759449.296352988,
    2745092.5948738675
   ],
   "end_xy": [
    4759431.18902033,
    2745077.3910947
   ]
  },
  "min_50m": {
   "gradient_pct": 6.110629320896805,
   "start_distance_m": 30.0,
   "end_distance_m": 80.0,
   "midpoint_distance_m": 55.0,
   "start_elevation_m": 750.8713736066761,
   "end_elevation_m": 753.9266882671245,
   "start_xy": [
    4759448.466711309,
    2745092.778619171
   ],
   "end_xy": [
    4759424.6556085115,
    2745052.283866544
   ]
  },
  "min_100m": {
   "gradient_pct": 7.903791242352668,
   "start_distance_m": 292.0,
   "end_distance_m": 392.0,
   "midpoint_distance_m": 342.0,
   "start_elevation_m": 788.7313765372622,
   "end_elevation_m": 796.6351677796149,
   "start_xy": [
    4759238.585842157,
    2744967.109749836
   ],
   "end_xy": [
    4759158.366291419,
    2744908.036603813
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.904114046312543,
   "start_distance_m": 24.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 749.936637688319,
   "end_elevation_m": 750.4547199692453,
   "start_xy": [
    4759452.539626405,
    2745088.792821726
   ],
   "end_xy": [
    4759451.256505342,
    2745090.3269663583
   ]
  },
  "max_3m": {
   "gradient_pct": 24.571986646310506,
   "start_distance_m": 23.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 24.5,
   "start_elevation_m": 749.717560369856,
   "end_elevation_m": 750.4547199692453,
   "start_xy": [
    4759453.181481041,
    2745088.0259953924
   ],
   "end_xy": [
    4759451.256505342,
    2745090.3269663583
   ]
  }
 },
 "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": 0.44,
   "obstruction_max_height_m": 28.04,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    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_E4758-N2744.tif",
   "data/cache/at/bev-als_dtm_E4758-N2745.tif",
   "data/cache/at/bev-als_dtm_E4759-N2744.tif",
   "data/cache/at/bev-als_dtm_E4759-N2745.tif"
  ],
  "calculated_at": "2026-09-13T07:31:55+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-extent4-260913",
  "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": [
   "E4758-N2744",
   "E4758-N2745",
   "E4759-N2744",
   "E4759-N2745"
  ],
  "elevation_blocks": [
   "N2700000E4750000@2022-09-15"
  ],
  "route_base_cut_m": 50.4,
  "route_cut_m": 534.1,
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Breitenstein",
  "county": "Nieder\u00f6sterreich",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}