{
 "ocl_version": "0.1.0",
 "name": "Werligastrasse",
 "slug": "werligastrasse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.969130341354685,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 21.0,
   "end_distance_m": 23.0,
   "start_elevation_m": 1223.1457535270652,
   "end_elevation_m": 1223.6651361338922,
   "min_gradient_pct": 1.4955914497136291
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.247924135130535,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 19.0,
   "end_distance_m": 22.0,
   "start_elevation_m": 1222.666619409498,
   "end_elevation_m": 1223.454057133552,
   "min_gradient_pct": 3.6010910867616985
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.031188463810395,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 18.0,
   "end_distance_m": 23.0,
   "start_elevation_m": 1222.5135767107017,
   "end_elevation_m": 1223.6651361338922,
   "min_gradient_pct": 4.674074745798862
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.42866828311753,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 128.0,
   "end_distance_m": 138.0,
   "start_elevation_m": 1240.2402462441228,
   "end_elevation_m": 1242.3831130724345,
   "min_gradient_pct": 7.488317059085148
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.8976394292813,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 119.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 1238.3973971521293,
   "end_elevation_m": 1242.5769250379856,
   "min_gradient_pct": 12.062039197915055
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.367977563572822,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 119.0,
   "end_distance_m": 144.0,
   "start_elevation_m": 1238.3973971521293,
   "end_elevation_m": 1243.4893915430225,
   "min_gradient_pct": 12.672812267400332
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.969242523738558,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 101.0,
   "end_distance_m": 151.0,
   "start_elevation_m": 1235.6011276955887,
   "end_elevation_m": 1244.585748957458,
   "min_gradient_pct": 14.261736038990875
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.422224146036115,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 108.0,
   "end_distance_m": 208.0,
   "start_elevation_m": 1236.6051027239237,
   "end_elevation_m": 1253.0273268699598,
   "min_gradient_pct": 14.561660142625215
  }
 ],
 "shape": {
  "ascent_concentration": 0.284,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 260.0,
  "shape_class": "sustained"
 },
 "length_m": 263.5000000001161,
 "start_elevation_m": 1220.5229610263589,
 "end_elevation_m": 1260.9384278426742,
 "endpoint_gain_m": 40.4154668163153,
 "overall_gradient_pct": 15.337938070701139,
 "accumulated_ascent_m": 40.46961537439779,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.031188463810395,
   "start_distance_m": 18.0,
   "end_distance_m": 23.0,
   "midpoint_distance_m": 20.5,
   "start_elevation_m": 1222.5135767107017,
   "end_elevation_m": 1223.6651361338922,
   "start_xy": [
    2627767.1899721688,
    1125988.9825035098
   ],
   "end_xy": [
    2627766.9069725797,
    1125983.9905194233
   ]
  },
  "max_10m": {
   "gradient_pct": 21.42866828311753,
   "start_distance_m": 128.0,
   "end_distance_m": 138.0,
   "midpoint_distance_m": 133.0,
   "start_elevation_m": 1240.2402462441228,
   "end_elevation_m": 1242.3831130724345,
   "start_xy": [
    2627796.77635548,
    1125890.1196248862
   ],
   "end_xy": [
    2627803.662061507,
    1125882.8679353688
   ]
  },
  "max_20m": {
   "gradient_pct": 20.8976394292813,
   "start_distance_m": 119.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 129.0,
   "start_elevation_m": 1238.3973971521293,
   "end_elevation_m": 1242.5769250379856,
   "start_xy": [
    2627790.5785052367,
    1125896.645468365
   ],
   "end_xy": [
    2627804.351440828,
    1125882.1435348243
   ]
  },
  "max_25m": {
   "gradient_pct": 20.367977563572822,
   "start_distance_m": 119.0,
   "end_distance_m": 144.0,
   "midpoint_distance_m": 131.5,
   "start_elevation_m": 1238.3973971521293,
   "end_elevation_m": 1243.4893915430225,
   "start_xy": [
    2627790.5785052367,
    1125896.645468365
   ],
   "end_xy": [
    2627807.7942943214,
    1125878.5176898502
   ]
  },
  "max_50m": {
   "gradient_pct": 17.969242523738558,
   "start_distance_m": 101.0,
   "end_distance_m": 151.0,
   "midpoint_distance_m": 126.0,
   "start_elevation_m": 1235.6011276955887,
   "end_elevation_m": 1244.585748957458,
   "start_xy": [
    2627778.483544272,
    1125909.9723833778
   ],
   "end_xy": [
    2627812.162832281,
    1125873.1504925883
   ]
  },
  "max_100m": {
   "gradient_pct": 16.422224146036115,
   "start_distance_m": 108.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 158.0,
   "start_elevation_m": 1236.6051027239237,
   "end_elevation_m": 1253.0273268699598,
   "start_xy": [
    2627783.111453484,
    1125904.7204854568
   ],
   "end_xy": [
    2627832.4521185877,
    1125820.5353476172
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 4.674074745798862,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 1220.5229610263589,
   "end_elevation_m": 1220.7566647636488,
   "start_xy": [
    2627767.916,
    1126006.963
   ],
   "end_xy": [
    2627767.88600054,
    1126001.9630899976
   ]
  },
  "min_10m": {
   "gradient_pct": 7.488317059085148,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 1220.5229610263589,
   "end_elevation_m": 1221.2717927322674,
   "start_xy": [
    2627767.916,
    1126006.963
   ],
   "end_xy": [
    2627767.6429812857,
    1125996.9696661443
   ]
  },
  "min_20m": {
   "gradient_pct": 12.062039197915055,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 1220.5229610263589,
   "end_elevation_m": 1222.9353688659419,
   "start_xy": [
    2627767.916,
    1126006.963
   ],
   "end_xy": [
    2627767.0769827683,
    1125986.9856979903
   ]
  },
  "min_25m": {
   "gradient_pct": 12.672812267400332,
   "start_distance_m": 228.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 240.5,
   "start_elevation_m": 1256.2458700134691,
   "end_elevation_m": 1259.4140730803192,
   "start_xy": [
    2627837.453195032,
    1125801.1720880186
   ],
   "end_xy": [
    2627848.0114884395,
    1125778.7741811997
   ]
  },
  "min_50m": {
   "gradient_pct": 14.261736038990875,
   "start_distance_m": 213.0,
   "end_distance_m": 263.0,
   "midpoint_distance_m": 238.0,
   "start_elevation_m": 1253.7728782767676,
   "end_elevation_m": 1260.903746296263,
   "start_xy": [
    2627833.6431476558,
    1125815.6792745872
   ],
   "end_xy": [
    2627844.3973622713,
    1125770.3579979418
   ]
  },
  "min_100m": {
   "gradient_pct": 14.561660142625215,
   "start_distance_m": 152.0,
   "end_distance_m": 252.0,
   "midpoint_distance_m": 202.0,
   "start_elevation_m": 1244.7246347989922,
   "end_elevation_m": 1259.2862949416174,
   "start_xy": [
    2627812.4778621467,
    1125872.2014108314
   ],
   "end_xy": [
    2627848.24743182,
    1125779.7459480038
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.969130341354685,
   "start_distance_m": 21.0,
   "end_distance_m": 23.0,
   "midpoint_distance_m": 22.0,
   "start_elevation_m": 1223.1457535270652,
   "end_elevation_m": 1223.6651361338922,
   "start_xy": [
    2627767.0200183596,
    1125985.9873217805
   ],
   "end_xy": [
    2627766.9069725797,
    1125983.9905194233
   ]
  },
  "max_3m": {
   "gradient_pct": 26.247924135130535,
   "start_distance_m": 19.0,
   "end_distance_m": 22.0,
   "midpoint_distance_m": 20.5,
   "start_elevation_m": 1222.666619409498,
   "end_elevation_m": 1223.454057133552,
   "start_xy": [
    2627767.1340039778,
    1125987.9840709574
   ],
   "end_xy": [
    2627766.963993854,
    1125984.9888923867
   ]
  }
 },
 "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": {
  "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:2056",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/ch/swissalti3d_2024_2627-1125_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2627-1126_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T22:04:50+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260915-dogleg-all",
  "elevation_provider": "swisstopo swissALTI3D",
  "elevation_licence": "swisstopo open government data (OGD): free use, attribution '\u00a9 swisstopo' \u2014 https://www.swisstopo.admin.ch/en/terms-and-conditions",
  "elevation_dataset": "swissALTI3D 0.5 m DTM (Federal Office of Topography swisstopo)",
  "elevation_tile_ids": [
   "2627-1125",
   "2627-1126"
  ],
  "route_cut_m": 263.5,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "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": "Unterb\u00e4ch",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}