{
 "ocl_version": "0.1.0",
 "name": "Sellrain",
 "slug": "sellrain-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.580494798297423,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 44.0,
   "end_distance_m": 46.0,
   "start_elevation_m": 1017.8773220143538,
   "end_elevation_m": 1018.3089319103198,
   "min_gradient_pct": -47.42835647581387,
   "suppressed_max_gradient_pct": 90.48759527449874,
   "suppressed_location_m": [
    60.0,
    62.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.5767340052527,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 44.0,
   "end_distance_m": 47.0,
   "start_elevation_m": 1017.8773220143538,
   "end_elevation_m": 1018.4946240345114,
   "min_gradient_pct": -35.409640337760116,
   "suppressed_max_gradient_pct": 78.23772317579294,
   "suppressed_location_m": [
    60.0,
    63.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.03160794134601,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 44.0,
   "end_distance_m": 49.0,
   "start_elevation_m": 1017.8773220143538,
   "end_elevation_m": 1018.8789024114211,
   "min_gradient_pct": -23.6894642893526,
   "suppressed_max_gradient_pct": 55.217841838966706,
   "suppressed_location_m": [
    59.0,
    64.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.03425065705892,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 39.0,
   "end_distance_m": 49.0,
   "start_elevation_m": 1017.2754773457152,
   "end_elevation_m": 1018.8789024114211,
   "min_gradient_pct": -8.393024780169753,
   "suppressed_max_gradient_pct": 28.359843454909424,
   "suppressed_location_m": [
    59.0,
    69.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.609425744494274,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2547.0,
   "end_distance_m": 2567.0,
   "start_elevation_m": 1281.1055787067771,
   "end_elevation_m": 1284.227463855676,
   "min_gradient_pct": -4.55084384269469
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.369824859008077,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2543.0,
   "end_distance_m": 2568.0,
   "start_elevation_m": 1280.5286643107597,
   "end_elevation_m": 1284.3711205255117,
   "min_gradient_pct": -3.357163823924566
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.198836173879045,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2469.0,
   "end_distance_m": 2519.0,
   "start_elevation_m": 1269.636094204535,
   "end_elevation_m": 1277.2355122914746,
   "min_gradient_pct": 0.47726970548387726
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.881395939644563,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2467.0,
   "end_distance_m": 2567.0,
   "start_elevation_m": 1269.3460679160314,
   "end_elevation_m": 1284.227463855676,
   "min_gradient_pct": 2.313536899989117
  }
 ],
 "shape": {
  "ascent_concentration": 0.299,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 589.0,
  "shape_class": "sustained"
 },
 "length_m": 2731.0217807362205,
 "start_elevation_m": 1018.1100484610076,
 "end_elevation_m": 1300.3238042175587,
 "endpoint_gain_m": 282.2137557565511,
 "overall_gradient_pct": 10.333632552739026,
 "accumulated_ascent_m": 284.62892842786266,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.03160794134601,
   "start_distance_m": 44.0,
   "end_distance_m": 49.0,
   "midpoint_distance_m": 46.5,
   "start_elevation_m": 1017.8773220143538,
   "end_elevation_m": 1018.8789024114211,
   "start_xy": [
    4413302.809737771,
    2679026.3152573006
   ],
   "end_xy": [
    4413306.179401436,
    2679030.0092208604
   ]
  },
  "max_10m": {
   "gradient_pct": 16.03425065705892,
   "start_distance_m": 39.0,
   "end_distance_m": 49.0,
   "midpoint_distance_m": 44.0,
   "start_elevation_m": 1017.2754773457152,
   "end_elevation_m": 1018.8789024114211,
   "start_xy": [
    4413299.440074105,
    2679022.621293741
   ],
   "end_xy": [
    4413306.179401436,
    2679030.0092208604
   ]
  },
  "max_20m": {
   "gradient_pct": 15.609425744494274,
   "start_distance_m": 2547.0,
   "end_distance_m": 2567.0,
   "midpoint_distance_m": 2557.0,
   "start_elevation_m": 1281.1055787067771,
   "end_elevation_m": 1284.227463855676,
   "start_xy": [
    4412801.707184283,
    2679257.7901657885
   ],
   "end_xy": [
    4412782.56762714,
    2679252.004388314
   ]
  },
  "max_25m": {
   "gradient_pct": 15.369824859008077,
   "start_distance_m": 2543.0,
   "end_distance_m": 2568.0,
   "midpoint_distance_m": 2555.5,
   "start_elevation_m": 1280.5286643107597,
   "end_elevation_m": 1284.3711205255117,
   "start_xy": [
    4412805.584546284,
    2679258.773051295
   ],
   "end_xy": [
    4412781.612920118,
    2679251.706840836
   ]
  },
  "max_50m": {
   "gradient_pct": 15.198836173879045,
   "start_distance_m": 2469.0,
   "end_distance_m": 2519.0,
   "midpoint_distance_m": 2494.0,
   "start_elevation_m": 1269.636094204535,
   "end_elevation_m": 1277.2355122914746,
   "start_xy": [
    4412874.074321316,
    2679286.423770797
   ],
   "end_xy": [
    4412828.339063212,
    2679266.3419002225
   ]
  },
  "max_100m": {
   "gradient_pct": 14.881395939644563,
   "start_distance_m": 2467.0,
   "end_distance_m": 2567.0,
   "midpoint_distance_m": 2517.0,
   "start_elevation_m": 1269.3460679160314,
   "end_elevation_m": 1284.227463855676,
   "start_xy": [
    4412876.000774991,
    2679286.961149473
   ],
   "end_xy": [
    4412782.56762714,
    2679252.004388314
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -23.6894642893526,
   "start_distance_m": 52.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 54.5,
   "start_elevation_m": 1019.3217568342365,
   "end_elevation_m": 1018.1372836197688,
   "start_xy": [
    4413308.201199636,
    2679032.225598996
   ],
   "end_xy": [
    4413311.4493114725,
    2679036.025963229
   ]
  },
  "min_10m": {
   "gradient_pct": -8.393024780169753,
   "start_distance_m": 49.0,
   "end_distance_m": 59.0,
   "midpoint_distance_m": 54.0,
   "start_elevation_m": 1018.8789024114211,
   "end_elevation_m": 1018.0395999334041,
   "start_xy": [
    4413306.179401436,
    2679030.0092208604
   ],
   "end_xy": [
    4413312.735511925,
    2679037.557527265
   ]
  },
  "min_20m": {
   "gradient_pct": -4.55084384269469,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 1018.1100484610076,
   "end_elevation_m": 1017.1998796924687,
   "start_xy": [
    4413273.408,
    2678993.648
   ],
   "end_xy": [
    4413287.405243852,
    2679007.9221576033
   ]
  },
  "min_25m": {
   "gradient_pct": -3.357163823924566,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 1018.1100484610076,
   "end_elevation_m": 1017.2707575050265,
   "start_xy": [
    4413273.408,
    2678993.648
   ],
   "end_xy": [
    4413290.552997146,
    2679011.8069547927
   ]
  },
  "min_50m": {
   "gradient_pct": 0.47726970548387726,
   "start_distance_m": 67.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 92.0,
   "start_elevation_m": 1020.8582363869588,
   "end_elevation_m": 1021.0968712397007,
   "start_xy": [
    4413314.375980512,
    2679044.9266748587
   ],
   "end_xy": [
    4413352.7494436065,
    2679075.2529598456
   ]
  },
  "min_100m": {
   "gradient_pct": 2.313536899989117,
   "start_distance_m": 64.0,
   "end_distance_m": 164.0,
   "midpoint_distance_m": 114.0,
   "start_elevation_m": 1020.8004920253525,
   "end_elevation_m": 1023.1140289253416,
   "start_xy": [
    4413314.698926605,
    2679041.9441078734
   ],
   "end_xy": [
    4413397.465687978,
    2679089.2020258866
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.580494798297423,
   "start_distance_m": 44.0,
   "end_distance_m": 46.0,
   "midpoint_distance_m": 45.0,
   "start_elevation_m": 1017.8773220143538,
   "end_elevation_m": 1018.3089319103198,
   "start_xy": [
    4413302.809737771,
    2679026.3152573006
   ],
   "end_xy": [
    4413304.157603237,
    2679027.7928427244
   ]
  },
  "max_3m": {
   "gradient_pct": 20.5767340052527,
   "start_distance_m": 44.0,
   "end_distance_m": 47.0,
   "midpoint_distance_m": 45.5,
   "start_elevation_m": 1017.8773220143538,
   "end_elevation_m": 1018.4946240345114,
   "start_xy": [
    4413302.809737771,
    2679026.3152573006
   ],
   "end_xy": [
    4413304.83153597,
    2679028.531635436
   ]
  }
 },
 "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": 0.005,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.05,
   "obstruction_max_height_m": 17.86,
   "flagged_windows_m": []
  },
  "excluded_ranges_m": [
   [
    51.0,
    56.0
   ],
   [
    58.0,
    64.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start",
   "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_E4412-N2678.tif",
   "data/cache/at/bev-als_dtm_E4412-N2679.tif",
   "data/cache/at/bev-als_dtm_E4413-N2678.tif",
   "data/cache/at/bev-als_dtm_E4413-N2679.tif"
  ],
  "calculated_at": "2026-09-13T00:09:55+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-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": [
   "E4412-N2678",
   "E4412-N2679",
   "E4413-N2678",
   "E4413-N2679"
  ],
  "elevation_blocks": [
   "N2650000E4400000@2022-09-15"
  ],
  "climb_origin": "discovered",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Sellrain",
  "county": "Tirol",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}