{
 "ocl_version": "0.1.0",
 "name": "Route de Bovonne",
 "slug": "route-de-bovonne",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.746685557170167,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4860.0,
   "end_distance_m": 4862.0,
   "start_elevation_m": 1595.0467944678671,
   "end_elevation_m": 1595.5417281790105,
   "min_gradient_pct": -90.9913391590635,
   "suppressed_max_gradient_pct": 86.96130448993244,
   "suppressed_location_m": [
    1321.0,
    1323.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.591394182594133,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 125.0,
   "end_distance_m": 128.0,
   "start_elevation_m": 1213.1569378617683,
   "end_elevation_m": 1213.834679687246,
   "min_gradient_pct": -73.92250269217584,
   "suppressed_max_gradient_pct": 78.6149903222243,
   "suppressed_location_m": [
    1320.0,
    1323.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.506141107756775,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 125.0,
   "end_distance_m": 130.0,
   "start_elevation_m": 1213.1569378617683,
   "end_elevation_m": 1214.232244917156,
   "min_gradient_pct": -45.32398440443558,
   "suppressed_max_gradient_pct": 56.55191615883268,
   "suppressed_location_m": [
    1319.0,
    1324.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.25554626753774,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 120.0,
   "end_distance_m": 130.0,
   "start_elevation_m": 1212.2066902904023,
   "end_elevation_m": 1214.232244917156,
   "min_gradient_pct": -16.713552035737393,
   "suppressed_max_gradient_pct": 29.178987999682704,
   "suppressed_location_m": [
    1319.0,
    1329.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.181488610583983,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 115.0,
   "end_distance_m": 135.0,
   "start_elevation_m": 1211.2567323088251,
   "end_elevation_m": 1215.093030030942,
   "min_gradient_pct": -4.4411136744543
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.322266363818017,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 112.0,
   "end_distance_m": 137.0,
   "start_elevation_m": 1210.8456192153405,
   "end_elevation_m": 1215.426185806295,
   "min_gradient_pct": -4.162916235121884
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.73480364817169,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 220.0,
   "end_distance_m": 270.0,
   "start_elevation_m": 1228.1088618351823,
   "end_elevation_m": 1236.9762636592682,
   "min_gradient_pct": -3.328393388664608
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.808022670268656,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 175.0,
   "end_distance_m": 275.0,
   "start_elevation_m": 1220.9796199047264,
   "end_elevation_m": 1237.787642574995,
   "min_gradient_pct": -2.392651867625318
  }
 ],
 "shape": {
  "ascent_concentration": 0.298,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 245.0,
  "shape_class": "sustained"
 },
 "length_m": 6106.800000000021,
 "start_elevation_m": 1197.8429962246294,
 "end_elevation_m": 1726.3173744691508,
 "endpoint_gain_m": 528.4743782445214,
 "overall_gradient_pct": 8.653867463229835,
 "accumulated_ascent_m": 539.4717065209234,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.506141107756775,
   "start_distance_m": 125.0,
   "end_distance_m": 130.0,
   "midpoint_distance_m": 127.5,
   "start_elevation_m": 1213.1569378617683,
   "end_elevation_m": 1214.232244917156,
   "start_xy": [
    2573876.570111603,
    1125367.2992999896
   ],
   "end_xy": [
    2573875.912211151,
    1125362.342772907
   ]
  },
  "max_10m": {
   "gradient_pct": 20.25554626753774,
   "start_distance_m": 120.0,
   "end_distance_m": 130.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 1212.2066902904023,
   "end_elevation_m": 1214.232244917156,
   "start_xy": [
    2573877.8037351184,
    1125372.1434444946
   ],
   "end_xy": [
    2573875.912211151,
    1125362.342772907
   ]
  },
  "max_20m": {
   "gradient_pct": 19.181488610583983,
   "start_distance_m": 115.0,
   "end_distance_m": 135.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 1211.2567323088251,
   "end_elevation_m": 1215.093030030942,
   "start_xy": [
    2573878.183572333,
    1125377.1201788513
   ],
   "end_xy": [
    2573875.3386767153,
    1125357.3766264664
   ]
  },
  "max_25m": {
   "gradient_pct": 18.322266363818017,
   "start_distance_m": 112.0,
   "end_distance_m": 137.0,
   "midpoint_distance_m": 124.5,
   "start_elevation_m": 1210.8456192153405,
   "end_elevation_m": 1215.426185806295,
   "start_xy": [
    2573877.648929197,
    1125380.0274638613
   ],
   "end_xy": [
    2573875.158052524,
    1125355.3848021072
   ]
  },
  "max_50m": {
   "gradient_pct": 17.73480364817169,
   "start_distance_m": 220.0,
   "end_distance_m": 270.0,
   "midpoint_distance_m": 245.0,
   "start_elevation_m": 1228.1088618351823,
   "end_elevation_m": 1236.9762636592682,
   "start_xy": [
    2573931.252584669,
    1125310.0389182274
   ],
   "end_xy": [
    2573976.0045828,
    1125329.4219834236
   ]
  },
  "max_100m": {
   "gradient_pct": 16.808022670268656,
   "start_distance_m": 175.0,
   "end_distance_m": 275.0,
   "midpoint_distance_m": 225.0,
   "start_elevation_m": 1220.9796199047264,
   "end_elevation_m": 1237.787642574995,
   "start_xy": [
    2573890.1327034207,
    1125323.8883275297
   ],
   "end_xy": [
    2573980.27713035,
    1125332.0147307112
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -45.32398440443558,
   "start_distance_m": 1314.0,
   "end_distance_m": 1319.0,
   "midpoint_distance_m": 1316.5,
   "start_elevation_m": 1283.532481421886,
   "end_elevation_m": 1281.2662822016641,
   "start_xy": [
    2574938.352603493,
    1125565.1559640255
   ],
   "end_xy": [
    2574943.067464552,
    1125566.796783424
   ]
  },
  "min_10m": {
   "gradient_pct": -16.713552035737393,
   "start_distance_m": 1309.0,
   "end_distance_m": 1319.0,
   "midpoint_distance_m": 1314.0,
   "start_elevation_m": 1282.9376374052379,
   "end_elevation_m": 1281.2662822016641,
   "start_xy": [
    2574933.4970634407,
    1125564.1593160094
   ],
   "end_xy": [
    2574943.067464552,
    1125566.796783424
   ]
  },
  "min_20m": {
   "gradient_pct": -4.4411136744543,
   "start_distance_m": 684.0,
   "end_distance_m": 704.0,
   "midpoint_distance_m": 694.0,
   "start_elevation_m": 1258.0064810427061,
   "end_elevation_m": 1257.1182583078153,
   "start_xy": [
    2574359.4545133556,
    1125446.2210083671
   ],
   "end_xy": [
    2574378.628773786,
    1125451.87750299
   ]
  },
  "min_25m": {
   "gradient_pct": -4.162916235121884,
   "start_distance_m": 1349.0,
   "end_distance_m": 1374.0,
   "midpoint_distance_m": 1361.5,
   "start_elevation_m": 1283.6777434413352,
   "end_elevation_m": 1282.6370143825548,
   "start_xy": [
    2574967.26357397,
    1125584.1635679414
   ],
   "end_xy": [
    2574990.5639822865,
    1125592.4557580268
   ]
  },
  "min_50m": {
   "gradient_pct": -3.328393388664608,
   "start_distance_m": 1338.0,
   "end_distance_m": 1388.0,
   "midpoint_distance_m": 1363.0,
   "start_elevation_m": 1284.1353686490122,
   "end_elevation_m": 1282.47117195468,
   "start_xy": [
    2574958.2572842105,
    1125577.9222032928
   ],
   "end_xy": [
    2575004.1450217874,
    1125595.853989098
   ]
  },
  "min_100m": {
   "gradient_pct": -2.392651867625318,
   "start_distance_m": 625.0,
   "end_distance_m": 725.0,
   "midpoint_distance_m": 675.0,
   "start_elevation_m": 1258.9657622860677,
   "end_elevation_m": 1256.5731104184424,
   "start_xy": [
    2574302.1933549126,
    1125432.0785974609
   ],
   "end_xy": [
    2574398.3878019378,
    1125458.9895131318
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.746685557170167,
   "start_distance_m": 4860.0,
   "end_distance_m": 4862.0,
   "midpoint_distance_m": 4861.0,
   "start_elevation_m": 1595.0467944678671,
   "end_elevation_m": 1595.5417281790105,
   "start_xy": [
    2573138.655468225,
    1124145.951562541
   ],
   "end_xy": [
    2573140.5803376283,
    1124146.493143885
   ]
  },
  "max_3m": {
   "gradient_pct": 22.591394182594133,
   "start_distance_m": 125.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 126.5,
   "start_elevation_m": 1213.1569378617683,
   "end_elevation_m": 1213.834679687246,
   "start_xy": [
    2573876.570111603,
    1125367.2992999896
   ],
   "end_xy": [
    2573876.175163364,
    1125364.3254114003
   ]
  }
 },
 "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": 0.003,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.005,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 4623.0,
     "end_m": 4628.0,
     "raw_pct": 23.67,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1259.0,
    1267.0
   ],
   [
    1314.0,
    1325.0
   ],
   [
    4621.0,
    4630.0
   ]
  ],
  "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:2056",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/ch/swissalti3d_2021_2573-1124_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2573-1125_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2574-1124_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2574-1125_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2575-1125_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:54:34+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": [
   "2573-1124",
   "2573-1125",
   "2574-1124",
   "2574-1125",
   "2575-1125"
  ],
  "route_cut_m": 6106.8,
  "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": "Bex",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}