{
 "ocl_version": "0.1.0",
 "name": "Chemin du Daley",
 "slug": "chemin-du-daley",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 41.1443340625226,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 196.0,
   "end_distance_m": 198.0,
   "start_elevation_m": 588.5542319411669,
   "end_elevation_m": 589.3771186224174,
   "min_gradient_pct": -9.58867566068875,
   "suppressed_max_gradient_pct": 80.38600584901587,
   "suppressed_location_m": [
    172.0,
    174.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.85104538609676,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 196.0,
   "end_distance_m": 199.0,
   "start_elevation_m": 588.5542319411669,
   "end_elevation_m": 589.5997633027498,
   "min_gradient_pct": -6.616899525185242,
   "suppressed_max_gradient_pct": 59.08121761605116,
   "suppressed_location_m": [
    172.0,
    175.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.2356961939181,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 13.0,
   "end_distance_m": 18.0,
   "start_elevation_m": 562.5217740793825,
   "end_elevation_m": 564.1335588890784,
   "min_gradient_pct": -4.1584592459594205,
   "suppressed_max_gradient_pct": 46.05018582862385,
   "suppressed_location_m": [
    172.0,
    177.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.084062529190987,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 8.0,
   "end_distance_m": 18.0,
   "start_elevation_m": 561.3251526361593,
   "end_elevation_m": 564.1335588890784,
   "min_gradient_pct": -3.3439036214315365,
   "suppressed_max_gradient_pct": 38.41479252895397,
   "suppressed_location_m": [
    172.0,
    182.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.1168556095638,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1.0,
   "end_distance_m": 21.0,
   "start_elevation_m": 559.8036191806966,
   "end_elevation_m": 564.8269903026094,
   "min_gradient_pct": 1.4935488220777415,
   "suppressed_max_gradient_pct": 30.622999881888973,
   "suppressed_location_m": [
    172.0,
    192.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.817139407999093,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3.0,
   "end_distance_m": 28.0,
   "start_elevation_m": 560.1924996974263,
   "end_elevation_m": 566.1467845494261,
   "min_gradient_pct": 3.3457551840265296,
   "suppressed_max_gradient_pct": 28.462000795637778,
   "suppressed_location_m": [
    172.0,
    197.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.70127274232891,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "start_elevation_m": 559.8036191806966,
   "end_elevation_m": 570.6542555518611,
   "min_gradient_pct": 3.7820325555137515
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.480929622544636,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1.0,
   "end_distance_m": 101.0,
   "start_elevation_m": 559.8036191806966,
   "end_elevation_m": 578.2845488032413,
   "min_gradient_pct": 7.721552427220217
  }
 ],
 "shape": {
  "ascent_concentration": 0.382,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 111.0,
  "shape_class": "sustained"
 },
 "length_m": 217.47125519503015,
 "start_elevation_m": 559.6571695165601,
 "end_elevation_m": 589.1718270585924,
 "endpoint_gain_m": 29.514657542032296,
 "overall_gradient_pct": 13.571751133529482,
 "accumulated_ascent_m": 30.284765757303035,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.2356961939181,
   "start_distance_m": 13.0,
   "end_distance_m": 18.0,
   "midpoint_distance_m": 15.5,
   "start_elevation_m": 562.5217740793825,
   "end_elevation_m": 564.1335588890784,
   "start_xy": [
    2543899.5160179604,
    1150367.0486481802
   ],
   "end_xy": [
    2543899.2580007357,
    1150372.041985863
   ]
  },
  "max_10m": {
   "gradient_pct": 28.084062529190987,
   "start_distance_m": 8.0,
   "end_distance_m": 18.0,
   "midpoint_distance_m": 13.0,
   "start_elevation_m": 561.3251526361593,
   "end_elevation_m": 564.1335588890784,
   "start_xy": [
    2543898.9089013734,
    1150362.1637167109
   ],
   "end_xy": [
    2543899.2580007357,
    1150372.041985863
   ]
  },
  "max_20m": {
   "gradient_pct": 25.1168556095638,
   "start_distance_m": 1.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 11.0,
   "start_elevation_m": 559.8036191806966,
   "end_elevation_m": 564.8269903026094,
   "start_xy": [
    2543896.609102157,
    1150355.5522943237
   ],
   "end_xy": [
    2543899.103998433,
    1150375.0380301024
   ]
  },
  "max_25m": {
   "gradient_pct": 23.817139407999093,
   "start_distance_m": 3.0,
   "end_distance_m": 28.0,
   "midpoint_distance_m": 15.5,
   "start_elevation_m": 560.1924996974263,
   "end_elevation_m": 566.1467845494261,
   "start_xy": [
    2543897.266104483,
    1150357.4413010264
   ],
   "end_xy": [
    2543898.7430148213,
    1150382.0287152578
   ]
  },
  "max_50m": {
   "gradient_pct": 21.70127274232891,
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 559.8036191806966,
   "end_elevation_m": 570.6542555518611,
   "start_xy": [
    2543896.609102157,
    1150355.5522943237
   ],
   "end_xy": [
    2543895.5310074557,
    1150404.7929511683
   ]
  },
  "max_100m": {
   "gradient_pct": 18.480929622544636,
   "start_distance_m": 1.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 559.8036191806966,
   "end_elevation_m": 578.2845488032413,
   "start_xy": [
    2543896.609102157,
    1150355.5522943237
   ],
   "end_xy": [
    2543882.6257889136,
    1150452.6564752047
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.1584592459594205,
   "start_distance_m": 204.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 206.5,
   "start_elevation_m": 589.4732959029046,
   "end_elevation_m": 589.2653729406067,
   "start_xy": [
    2543884.879640881,
    1150488.514797056
   ],
   "end_xy": [
    2543887.510532911,
    1150484.262926793
   ]
  },
  "min_10m": {
   "gradient_pct": -3.3439036214315365,
   "start_distance_m": 199.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 204.0,
   "start_elevation_m": 589.5997633027498,
   "end_elevation_m": 589.2653729406067,
   "start_xy": [
    2543881.868740706,
    1150492.4671217604
   ],
   "end_xy": [
    2543887.510532911,
    1150484.262926793
   ]
  },
  "min_20m": {
   "gradient_pct": 1.4935488220777415,
   "start_distance_m": 197.0,
   "end_distance_m": 217.0,
   "midpoint_distance_m": 207.0,
   "start_elevation_m": 588.8867336433266,
   "end_elevation_m": 589.1854434077421,
   "start_xy": [
    2543880.3820032817,
    1150493.804885336
   ],
   "end_xy": [
    2543891.718455993,
    1150477.4590030217
   ]
  },
  "min_25m": {
   "gradient_pct": 3.3457551840265296,
   "start_distance_m": 146.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 158.5,
   "start_elevation_m": 580.7858351426091,
   "end_elevation_m": 581.6222739386158,
   "start_xy": [
    2543865.0545862713,
    1150494.0621530549
   ],
   "end_xy": [
    2543861.059917928,
    1150511.2019232677
   ]
  },
  "min_50m": {
   "gradient_pct": 3.7820325555137515,
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 146.0,
   "start_elevation_m": 579.7312576608589,
   "end_elevation_m": 581.6222739386158,
   "start_xy": [
    2543874.517869164,
    1150470.9392952705
   ],
   "end_xy": [
    2543861.059917928,
    1150511.2019232677
   ]
  },
  "min_100m": {
   "gradient_pct": 7.721552427220217,
   "start_distance_m": 71.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 121.0,
   "start_elevation_m": 573.9007215113955,
   "end_elevation_m": 581.6222739386158,
   "start_xy": [
    2543892.513010481,
    1150424.563931352
   ],
   "end_xy": [
    2543861.059917928,
    1150511.2019232677
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 41.1443340625226,
   "start_distance_m": 196.0,
   "end_distance_m": 198.0,
   "midpoint_distance_m": 197.0,
   "start_elevation_m": 588.5542319411669,
   "end_elevation_m": 589.3771186224174,
   "start_xy": [
    2543879.638858354,
    1150494.4740158292
   ],
   "end_xy": [
    2543881.125165754,
    1150493.1357743419
   ]
  },
  "max_3m": {
   "gradient_pct": 34.85104538609676,
   "start_distance_m": 196.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 197.5,
   "start_elevation_m": 588.5542319411669,
   "end_elevation_m": 589.5997633027498,
   "start_xy": [
    2543879.638858354,
    1150494.4740158292
   ],
   "end_xy": [
    2543881.868740706,
    1150492.4671217604
   ]
  }
 },
 "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": 0.028,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.087,
   "windows_resited": [
    2.0,
    3.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 10.0,
     "start_m": 176.0,
     "end_m": 186.0,
     "raw_pct": 28.39,
     "reason": "hump+mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    170.0,
    188.0
   ]
  ],
  "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_2543-1150_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-12T01:30:05+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk01.pbf",
  "osm_snapshot": "",
  "run_id": "texture-ch-ch-260912",
  "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": [
   "2543-1150"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Lutry",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}