{
 "ocl_version": "0.1.0",
 "name": "Fresneralmweg Ii",
 "slug": "fresneralmweg-ii",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.426925053016475,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5750.0,
   "end_distance_m": 5752.0,
   "start_elevation_m": 1730.420666090699,
   "end_elevation_m": 1731.0692045917592,
   "min_gradient_pct": -11.086528904320403,
   "suppressed_max_gradient_pct": 148.06663359390768,
   "suppressed_location_m": [
    2.0,
    4.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.185800112492263,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5750.0,
   "end_distance_m": 5753.0,
   "start_elevation_m": 1730.420666090699,
   "end_elevation_m": 1731.3562400940737,
   "min_gradient_pct": -6.831939136842872,
   "suppressed_max_gradient_pct": 128.37910804846615,
   "suppressed_location_m": [
    2.0,
    5.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.78606573092111,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 5749.0,
   "end_distance_m": 5754.0,
   "start_elevation_m": 1730.1768306149982,
   "end_elevation_m": 1731.5161339015442,
   "min_gradient_pct": -4.018185314457696,
   "suppressed_max_gradient_pct": 89.45606439781386,
   "suppressed_location_m": [
    1.0,
    6.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.018980644415933,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 5749.0,
   "end_distance_m": 5759.0,
   "start_elevation_m": 1730.1768306149982,
   "end_elevation_m": 1732.3787286794397,
   "min_gradient_pct": -0.05887042818585542,
   "suppressed_max_gradient_pct": 46.86232422746343,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.877652909437757,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5527.0,
   "end_distance_m": 5547.0,
   "start_elevation_m": 1699.7818947988283,
   "end_elevation_m": 1703.5574253807158,
   "min_gradient_pct": 1.4618961529856733,
   "suppressed_max_gradient_pct": 27.241936279134507,
   "suppressed_location_m": [
    1.0,
    21.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.955540504157398,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5528.0,
   "end_distance_m": 5553.0,
   "start_elevation_m": 1699.9393887581343,
   "end_elevation_m": 1704.4282738841737,
   "min_gradient_pct": 1.7533566114452697,
   "suppressed_max_gradient_pct": 23.430433692651604,
   "suppressed_location_m": [
    1.0,
    26.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.849926722520195,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5508.0,
   "end_distance_m": 5558.0,
   "start_elevation_m": 1696.7923331550999,
   "end_elevation_m": 1705.21729651636,
   "min_gradient_pct": 1.8908248655038733
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.315491606370188,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5458.0,
   "end_distance_m": 5558.0,
   "start_elevation_m": 1689.9018049099898,
   "end_elevation_m": 1705.21729651636,
   "min_gradient_pct": 2.461540675954211
  }
 ],
 "shape": {
  "ascent_concentration": 0.34,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 308.0,
  "shape_class": "sustained"
 },
 "length_m": 6858.72655471027,
 "start_elevation_m": 1197.1670862656415,
 "end_elevation_m": 1856.3625073828116,
 "endpoint_gain_m": 659.1954211171701,
 "overall_gradient_pct": 9.611046830033832,
 "accumulated_ascent_m": 661.412534905457,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.78606573092111,
   "start_distance_m": 5749.0,
   "end_distance_m": 5754.0,
   "midpoint_distance_m": 5751.5,
   "start_elevation_m": 1730.1768306149982,
   "end_elevation_m": 1731.5161339015442,
   "start_xy": [
    4604719.332902205,
    2667143.509659429
   ],
   "end_xy": [
    4604724.1006391775,
    2667142.0034450814
   ]
  },
  "max_10m": {
   "gradient_pct": 22.018980644415933,
   "start_distance_m": 5749.0,
   "end_distance_m": 5759.0,
   "midpoint_distance_m": 5754.0,
   "start_elevation_m": 1730.1768306149982,
   "end_elevation_m": 1732.3787286794397,
   "start_xy": [
    4604719.332902205,
    2667143.509659429
   ],
   "end_xy": [
    4604728.86844481,
    2667140.497448289
   ]
  },
  "max_20m": {
   "gradient_pct": 18.877652909437757,
   "start_distance_m": 5527.0,
   "end_distance_m": 5547.0,
   "midpoint_distance_m": 5537.0,
   "start_elevation_m": 1699.7818947988283,
   "end_elevation_m": 1703.5574253807158,
   "start_xy": [
    4604527.451593298,
    2667249.8299766406
   ],
   "end_xy": [
    4604546.167802909,
    2667242.7799117267
   ]
  },
  "max_25m": {
   "gradient_pct": 17.955540504157398,
   "start_distance_m": 5528.0,
   "end_distance_m": 5553.0,
   "midpoint_distance_m": 5540.5,
   "start_elevation_m": 1699.9393887581343,
   "end_elevation_m": 1704.4282738841737,
   "start_xy": [
    4604528.387461425,
    2667249.4776261933
   ],
   "end_xy": [
    4604551.782684394,
    2667240.6649423456
   ]
  },
  "max_50m": {
   "gradient_pct": 16.849926722520195,
   "start_distance_m": 5508.0,
   "end_distance_m": 5558.0,
   "midpoint_distance_m": 5533.0,
   "start_elevation_m": 1696.7923331550999,
   "end_elevation_m": 1705.21729651636,
   "start_xy": [
    4604508.951469325,
    2667250.2617143183
   ],
   "end_xy": [
    4604556.461888321,
    2667238.90282826
   ]
  },
  "max_100m": {
   "gradient_pct": 15.315491606370188,
   "start_distance_m": 5458.0,
   "end_distance_m": 5558.0,
   "midpoint_distance_m": 5508.0,
   "start_elevation_m": 1689.9018049099898,
   "end_elevation_m": 1705.21729651636,
   "start_xy": [
    4604462.229864297,
    2667235.7304466264
   ],
   "end_xy": [
    4604556.461888321,
    2667238.90282826
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.018185314457696,
   "start_distance_m": 4185.0,
   "end_distance_m": 4190.0,
   "midpoint_distance_m": 4187.5,
   "start_elevation_m": 1553.523389775055,
   "end_elevation_m": 1553.322480509332,
   "start_xy": [
    4604211.764468972,
    2667504.790606259
   ],
   "end_xy": [
    4604216.6227122415,
    2667505.9727508244
   ]
  },
  "min_10m": {
   "gradient_pct": -0.05887042818585542,
   "start_distance_m": 480.0,
   "end_distance_m": 490.0,
   "midpoint_distance_m": 485.0,
   "start_elevation_m": 1227.8553277927579,
   "end_elevation_m": 1227.8494407499393,
   "start_xy": [
    4603426.988867839,
    2667271.2103452445
   ],
   "end_xy": [
    4603423.1698551085,
    2667261.9683144526
   ]
  },
  "min_20m": {
   "gradient_pct": 1.4618961529856733,
   "start_distance_m": 477.0,
   "end_distance_m": 497.0,
   "midpoint_distance_m": 487.0,
   "start_elevation_m": 1227.7817643206834,
   "end_elevation_m": 1228.0741435512805,
   "start_xy": [
    4603428.134686676,
    2667273.9829070386
   ],
   "end_xy": [
    4603420.496661216,
    2667255.498845455
   ]
  },
  "min_25m": {
   "gradient_pct": 1.7533566114452697,
   "start_distance_m": 2793.0,
   "end_distance_m": 2818.0,
   "midpoint_distance_m": 2805.5,
   "start_elevation_m": 1454.4740460531916,
   "end_elevation_m": 1454.912385206053,
   "start_xy": [
    4603430.700839043,
    2666565.9817278436
   ],
   "end_xy": [
    4603441.325914426,
    2666588.6115258113
   ]
  },
  "min_50m": {
   "gradient_pct": 1.8908248655038733,
   "start_distance_m": 2766.0,
   "end_distance_m": 2816.0,
   "midpoint_distance_m": 2791.0,
   "start_elevation_m": 1453.9464732737383,
   "end_elevation_m": 1454.8918857064903,
   "start_xy": [
    4603421.48485576,
    2666540.834525412
   ],
   "end_xy": [
    4603440.476010924,
    2666586.801093851
   ]
  },
  "min_100m": {
   "gradient_pct": 2.461540675954211,
   "start_distance_m": 2766.0,
   "end_distance_m": 2866.0,
   "midpoint_distance_m": 2816.0,
   "start_elevation_m": 1453.9464732737383,
   "end_elevation_m": 1456.4080139496925,
   "start_xy": [
    4603421.48485576,
    2666540.834525412
   ],
   "end_xy": [
    4603465.106948541,
    2666630.192786918
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.426925053016475,
   "start_distance_m": 5750.0,
   "end_distance_m": 5752.0,
   "midpoint_distance_m": 5751.0,
   "start_elevation_m": 1730.420666090699,
   "end_elevation_m": 1731.0692045917592,
   "start_xy": [
    4604720.2864583125,
    2667143.208444014
   ],
   "end_xy": [
    4604722.193413408,
    2667142.605516315
   ]
  },
  "max_3m": {
   "gradient_pct": 31.185800112492263,
   "start_distance_m": 5750.0,
   "end_distance_m": 5753.0,
   "midpoint_distance_m": 5751.5,
   "start_elevation_m": 1730.420666090699,
   "end_elevation_m": 1731.3562400940737,
   "start_xy": [
    4604720.2864583125,
    2667143.208444014
   ],
   "end_xy": [
    4604723.147066348,
    2667142.304607586
   ]
  }
 },
 "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": 0.001,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.003,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 10.0,
     "start_m": 6777.0,
     "end_m": 6787.0,
     "raw_pct": 27.24,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.117,
   "obstruction_max_height_m": 27.85,
   "flagged_windows_m": [
    10
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    7.0
   ],
   [
    6775.0,
    6789.0
   ]
  ],
  "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_E4603-N2666.tif",
   "data/cache/at/bev-als_dtm_E4603-N2667.tif",
   "data/cache/at/bev-als_dtm_E4604-N2666.tif",
   "data/cache/at/bev-als_dtm_E4604-N2667.tif",
   "data/cache/at/bev-als_dtm_E4605-N2666.tif",
   "data/cache/at/bev-als_dtm_E4605-N2667.tif"
  ],
  "calculated_at": "2026-09-15T22:00:22+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/austria-2026-09-11.osm.pbf",
  "osm_snapshot": "2026-09-10T20:21:06Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "E4603-N2666",
   "E4603-N2667",
   "E4604-N2666",
   "E4604-N2667",
   "E4605-N2666",
   "E4605-N2667"
  ],
  "elevation_blocks": [
   "N2650000E4600000@2022-09-15"
  ],
  "bev_dsm_release": {
   "N2650000E4600000": "20220915"
  },
  "climb_origin": "discovered",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Thomatal",
  "county": "Salzburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}