{
 "ocl_version": "0.1.0",
 "name": "Chemin de la Bossenaz",
 "slug": "chemin-de-la-bossenaz",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.825453777158373,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1301.0,
   "end_distance_m": 1303.0,
   "start_elevation_m": 666.7784791021995,
   "end_elevation_m": 667.3749881777427,
   "min_gradient_pct": -20.730695206032124,
   "suppressed_max_gradient_pct": 54.82891593204613,
   "suppressed_location_m": [
    1253.0,
    1255.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.96527817787076,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1301.0,
   "end_distance_m": 1304.0,
   "start_elevation_m": 666.7784791021995,
   "end_elevation_m": 667.5874374475356,
   "min_gradient_pct": -18.851425605438028,
   "suppressed_max_gradient_pct": 53.32799024327338,
   "suppressed_location_m": [
    1253.0,
    1256.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.552106330116203,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1315.0,
   "end_distance_m": 1320.0,
   "start_elevation_m": 667.558218178363,
   "end_elevation_m": 668.6358234948688,
   "min_gradient_pct": -12.442132475639482,
   "suppressed_max_gradient_pct": 45.001496169268194,
   "suppressed_location_m": [
    1253.0,
    1258.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.967415149299768,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1123.0,
   "end_distance_m": 1133.0,
   "start_elevation_m": 645.332493367104,
   "end_elevation_m": 647.129234882034,
   "min_gradient_pct": -6.1981492413690376,
   "suppressed_max_gradient_pct": 33.24720840765849,
   "suppressed_location_m": [
    1246.0,
    1256.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.749880219209672,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1123.0,
   "end_distance_m": 1143.0,
   "start_elevation_m": 645.332493367104,
   "end_elevation_m": 648.6824694109459,
   "min_gradient_pct": -5.990566418726075,
   "suppressed_max_gradient_pct": 26.094453171400005,
   "suppressed_location_m": [
    1241.0,
    1261.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.423194133958987,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1036.0,
   "end_distance_m": 1061.0,
   "start_elevation_m": 632.8077279733036,
   "end_elevation_m": 636.9135265067933,
   "min_gradient_pct": -5.906830768589316,
   "suppressed_max_gradient_pct": 22.439429776969064,
   "suppressed_location_m": [
    1236.0,
    1261.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.66197301420766,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1025.0,
   "end_distance_m": 1075.0,
   "start_elevation_m": 631.1187255623687,
   "end_elevation_m": 638.9497120694725,
   "min_gradient_pct": -5.2334441208106455,
   "suppressed_max_gradient_pct": 16.966253210269315,
   "suppressed_location_m": [
    1211.0,
    1261.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.225276875863074,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 54.0,
   "end_distance_m": 154.0,
   "start_elevation_m": 556.6893481619937,
   "end_elevation_m": 571.9146250378568,
   "min_gradient_pct": -3.5420601651273955
  }
 ],
 "shape": {
  "ascent_concentration": 0.365,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 231.0,
  "shape_class": "sustained"
 },
 "length_m": 1423.1471426167632,
 "start_elevation_m": 549.9080183906249,
 "end_elevation_m": 671.9556814794846,
 "endpoint_gain_m": 122.04766308885974,
 "overall_gradient_pct": 8.575899106570862,
 "accumulated_ascent_m": 128.79132622970337,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.552106330116203,
   "start_distance_m": 1315.0,
   "end_distance_m": 1320.0,
   "midpoint_distance_m": 1317.5,
   "start_elevation_m": 667.558218178363,
   "end_elevation_m": 668.6358234948688,
   "start_xy": [
    2517354.2796944813,
    1149156.379882555
   ],
   "end_xy": [
    2517350.5640943525,
    1149159.725673189
   ]
  },
  "max_10m": {
   "gradient_pct": 17.967415149299768,
   "start_distance_m": 1123.0,
   "end_distance_m": 1133.0,
   "midpoint_distance_m": 1128.0,
   "start_elevation_m": 645.332493367104,
   "end_elevation_m": 647.129234882034,
   "start_xy": [
    2517378.5390884154,
    1148996.8503063382
   ],
   "end_xy": [
    2517384.9645448024,
    1149004.5089831566
   ]
  },
  "max_20m": {
   "gradient_pct": 16.749880219209672,
   "start_distance_m": 1123.0,
   "end_distance_m": 1143.0,
   "midpoint_distance_m": 1133.0,
   "start_elevation_m": 645.332493367104,
   "end_elevation_m": 648.6824694109459,
   "start_xy": [
    2517378.5390884154,
    1148996.8503063382
   ],
   "end_xy": [
    2517391.0811546994,
    1149012.4201416979
   ]
  },
  "max_25m": {
   "gradient_pct": 16.423194133958987,
   "start_distance_m": 1036.0,
   "end_distance_m": 1061.0,
   "midpoint_distance_m": 1048.5,
   "start_elevation_m": 632.8077279733036,
   "end_elevation_m": 636.9135265067933,
   "start_xy": [
    2517327.868463199,
    1148929.5814206437
   ],
   "end_xy": [
    2517334.7032822035,
    1148953.3332633027
   ]
  },
  "max_50m": {
   "gradient_pct": 15.66197301420766,
   "start_distance_m": 1025.0,
   "end_distance_m": 1075.0,
   "midpoint_distance_m": 1050.0,
   "start_elevation_m": 631.1187255623687,
   "end_elevation_m": 638.9497120694725,
   "start_xy": [
    2517326.6012436,
    1148918.654657423
   ],
   "end_xy": [
    2517343.243591188,
    1148964.3782368924
   ]
  },
  "max_100m": {
   "gradient_pct": 15.225276875863074,
   "start_distance_m": 54.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 104.0,
   "start_elevation_m": 556.6893481619937,
   "end_elevation_m": 571.9146250378568,
   "start_xy": [
    2517799.7618573112,
    1148906.6567448687
   ],
   "end_xy": [
    2517778.302382591,
    1149004.2575789322
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.442132475639482,
   "start_distance_m": 1268.0,
   "end_distance_m": 1273.0,
   "midpoint_distance_m": 1270.5,
   "start_elevation_m": 664.839489765307,
   "end_elevation_m": 664.217383141525,
   "start_xy": [
    2517389.206943809,
    1149124.930125808
   ],
   "end_xy": [
    2517385.491154491,
    1149128.2757064325
   ]
  },
  "min_10m": {
   "gradient_pct": -6.1981492413690376,
   "start_distance_m": 738.0,
   "end_distance_m": 748.0,
   "midpoint_distance_m": 743.0,
   "start_elevation_m": 605.075215710754,
   "end_elevation_m": 604.4554007866171,
   "start_xy": [
    2517328.694395009,
    1148684.1589328586
   ],
   "end_xy": [
    2517320.6410470605,
    1148678.2307302502
   ]
  },
  "min_20m": {
   "gradient_pct": -5.990566418726075,
   "start_distance_m": 737.0,
   "end_distance_m": 757.0,
   "midpoint_distance_m": 747.0,
   "start_elevation_m": 605.1341306390952,
   "end_elevation_m": 603.93601735535,
   "start_xy": [
    2517329.4997623693,
    1148684.7517088824
   ],
   "end_xy": [
    2517312.9863276146,
    1148673.5144318864
   ]
  },
  "min_25m": {
   "gradient_pct": -5.906830768589316,
   "start_distance_m": 734.0,
   "end_distance_m": 759.0,
   "midpoint_distance_m": 746.5,
   "start_elevation_m": 605.2977349889034,
   "end_elevation_m": 603.821027296756,
   "start_xy": [
    2517331.915803725,
    1148686.5301194487
   ],
   "end_xy": [
    2517311.2361119385,
    1148672.5465759637
   ]
  },
  "min_50m": {
   "gradient_pct": -5.2334441208106455,
   "start_distance_m": 714.0,
   "end_distance_m": 764.0,
   "midpoint_distance_m": 739.0,
   "start_elevation_m": 606.1885535918882,
   "end_elevation_m": 603.5718315314829,
   "start_xy": [
    2517348.0227995273,
    1148698.3861173051
   ],
   "end_xy": [
    2517306.8223404163,
    1148670.1976878059
   ]
  },
  "min_100m": {
   "gradient_pct": -3.5420601651273955,
   "start_distance_m": 671.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 721.0,
   "start_elevation_m": 606.9151828733934,
   "end_elevation_m": 603.373122708266,
   "start_xy": [
    2517381.8153816997,
    1148724.9485445202
   ],
   "end_xy": [
    2517300.059131479,
    1148668.7964751215
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.825453777158373,
   "start_distance_m": 1301.0,
   "end_distance_m": 1303.0,
   "midpoint_distance_m": 1302.0,
   "start_elevation_m": 666.7784791021995,
   "end_elevation_m": 667.3749881777427,
   "start_xy": [
    2517364.683483939,
    1149147.011789728
   ],
   "end_xy": [
    2517363.197015028,
    1149148.349851825
   ]
  },
  "max_3m": {
   "gradient_pct": 26.96527817787076,
   "start_distance_m": 1301.0,
   "end_distance_m": 1304.0,
   "midpoint_distance_m": 1302.5,
   "start_elevation_m": 666.7784791021995,
   "end_elevation_m": 667.5874374475356,
   "start_xy": [
    2517364.683483939,
    1149147.011789728
   ],
   "end_xy": [
    2517362.4539230647,
    1149149.019041131
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.021,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 1236.0,
     "end_m": 1261.0,
     "raw_pct": 22.44,
     "reason": "staircase"
    },
    {
     "window_m": 20.0,
     "start_m": 1241.0,
     "end_m": 1261.0,
     "raw_pct": 26.09,
     "reason": "staircase"
    },
    {
     "window_m": 10.0,
     "start_m": 1246.0,
     "end_m": 1256.0,
     "raw_pct": 33.25,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 1253.0,
     "end_m": 1258.0,
     "raw_pct": 45.0,
     "reason": "hump+short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1234.0,
    1263.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_2021_2517-1148_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2517-1149_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T06:34:28+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": "reline-campaign-260915",
  "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": [
   "2517-1148",
   "2517-1149"
  ],
  "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": "F\u00e9chy",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}