{
 "ocl_version": "0.1.0",
 "name": "Route de la Tour",
 "slug": "route-de-la-tour-2",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 19.668035889640123,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 335.0,
   "end_distance_m": 337.0,
   "start_elevation_m": 1630.8530371415072,
   "end_elevation_m": 1631.2463978593,
   "min_gradient_pct": -22.2545815714966,
   "suppressed_max_gradient_pct": 48.5483006376171,
   "suppressed_location_m": [
    457.0,
    459.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 19.379817812743266,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 1629.5011489404264,
   "end_elevation_m": 1630.0825434748087,
   "min_gradient_pct": -21.760361687286906,
   "suppressed_max_gradient_pct": 46.72922962373226,
   "suppressed_location_m": [
    457.0,
    460.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 17.948460790266836,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 325.0,
   "end_distance_m": 330.0,
   "start_elevation_m": 1629.1851204352954,
   "end_elevation_m": 1630.0825434748087,
   "min_gradient_pct": -21.353884141890376,
   "suppressed_max_gradient_pct": 37.922856925197266,
   "suppressed_location_m": [
    455.0,
    460.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.452489188735854,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 327.0,
   "end_distance_m": 337.0,
   "start_elevation_m": 1629.5011489404264,
   "end_elevation_m": 1631.2463978593,
   "min_gradient_pct": -18.43354747925332,
   "suppressed_max_gradient_pct": 30.845899524820197,
   "suppressed_location_m": [
    450.0,
    460.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.1092761645466,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 323.0,
   "end_distance_m": 343.0,
   "start_elevation_m": 1628.9077123345044,
   "end_elevation_m": 1632.1295675674137,
   "min_gradient_pct": -7.858650250209394,
   "suppressed_max_gradient_pct": 25.048121904944765,
   "suppressed_location_m": [
    446.0,
    466.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.31694480301303,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 324.0,
   "end_distance_m": 349.0,
   "start_elevation_m": 1629.0687453633382,
   "end_elevation_m": 1632.8979815640914,
   "min_gradient_pct": -4.6224225232617755,
   "suppressed_max_gradient_pct": 20.873100026262364,
   "suppressed_location_m": [
    444.0,
    469.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.266010239330626,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 371.0,
   "end_distance_m": 421.0,
   "start_elevation_m": 1635.3476511833717,
   "end_elevation_m": 1642.480656303037,
   "min_gradient_pct": 1.1925634358149182
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.824973478337142,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 323.0,
   "end_distance_m": 423.0,
   "start_elevation_m": 1628.9077123345044,
   "end_elevation_m": 1642.7326858128415,
   "min_gradient_pct": 1.340522740841834
  }
 ],
 "shape": {
  "ascent_concentration": 0.418,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 110.0,
  "shape_class": "sustained"
 },
 "length_m": 783.4976516428596,
 "start_elevation_m": 1601.8743467675683,
 "end_elevation_m": 1655.9942593359497,
 "endpoint_gain_m": 54.119912568381324,
 "overall_gradient_pct": 6.907476040917441,
 "accumulated_ascent_m": 57.24892263047127,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 17.948460790266836,
   "start_distance_m": 325.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 327.5,
   "start_elevation_m": 1629.1851204352954,
   "end_elevation_m": 1630.0825434748087,
   "start_xy": [
    2603979.368891296,
    1129617.5157560261
   ],
   "end_xy": [
    2603977.6519142725,
    1129622.2117099077
   ]
  },
  "max_10m": {
   "gradient_pct": 17.452489188735854,
   "start_distance_m": 327.0,
   "end_distance_m": 337.0,
   "midpoint_distance_m": 332.0,
   "start_elevation_m": 1629.5011489404264,
   "end_elevation_m": 1631.2463978593,
   "start_xy": [
    2603978.6818004525,
    1129619.3940279142
   ],
   "end_xy": [
    2603975.2490379494,
    1129628.7863713286
   ]
  },
  "max_20m": {
   "gradient_pct": 16.1092761645466,
   "start_distance_m": 323.0,
   "end_distance_m": 343.0,
   "midpoint_distance_m": 333.0,
   "start_elevation_m": 1628.9077123345044,
   "end_elevation_m": 1632.1295675674137,
   "start_xy": [
    2603980.0547926696,
    1129615.637049244
   ],
   "end_xy": [
    2603973.188947422,
    1129634.4216191568
   ]
  },
  "max_25m": {
   "gradient_pct": 15.31694480301303,
   "start_distance_m": 324.0,
   "end_distance_m": 349.0,
   "midpoint_distance_m": 336.5,
   "start_elevation_m": 1629.0687453633382,
   "end_elevation_m": 1632.8979815640914,
   "start_xy": [
    2603979.7120047994,
    1129616.5764620795
   ],
   "end_xy": [
    2603971.1288589067,
    1129640.0568677194
   ]
  },
  "max_50m": {
   "gradient_pct": 14.266010239330626,
   "start_distance_m": 371.0,
   "end_distance_m": 421.0,
   "midpoint_distance_m": 396.0,
   "start_elevation_m": 1635.3476511833717,
   "end_elevation_m": 1642.480656303037,
   "start_xy": [
    2603960.051159888,
    1129658.9095641065
   ],
   "end_xy": [
    2603924.9259080044,
    1129694.2669290712
   ]
  },
  "max_100m": {
   "gradient_pct": 13.824973478337142,
   "start_distance_m": 323.0,
   "end_distance_m": 423.0,
   "midpoint_distance_m": 373.0,
   "start_elevation_m": 1628.9077123345044,
   "end_elevation_m": 1642.7326858128415,
   "start_xy": [
    2603980.0547926696,
    1129615.637049244
   ],
   "end_xy": [
    2603923.798694162,
    1129695.9189505083
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -21.353884141890376,
   "start_distance_m": 438.0,
   "end_distance_m": 443.0,
   "midpoint_distance_m": 440.5,
   "start_elevation_m": 1642.6352541106576,
   "end_elevation_m": 1641.567559903563,
   "start_xy": [
    2603920.409430171,
    1129710.3344262894
   ],
   "end_xy": [
    2603920.666450035,
    1129715.3278153876
   ]
  },
  "min_10m": {
   "gradient_pct": -18.43354747925332,
   "start_distance_m": 434.0,
   "end_distance_m": 444.0,
   "midpoint_distance_m": 439.0,
   "start_elevation_m": 1643.239999481541,
   "end_elevation_m": 1641.3966447336156,
   "start_xy": [
    2603920.3531776434,
    1129706.3432650976
   ],
   "end_xy": [
    2603920.717434691,
    1129716.3265148243
   ]
  },
  "min_20m": {
   "gradient_pct": -7.858650250209394,
   "start_distance_m": 427.0,
   "end_distance_m": 447.0,
   "midpoint_distance_m": 437.0,
   "start_elevation_m": 1643.0213358255423,
   "end_elevation_m": 1641.4496057755005,
   "start_xy": [
    2603922.3917900557,
    1129699.6480511266
   ],
   "end_xy": [
    2603920.9225981496,
    1129719.3188347153
   ]
  },
  "min_25m": {
   "gradient_pct": -4.6224225232617755,
   "start_distance_m": 422.0,
   "end_distance_m": 447.0,
   "midpoint_distance_m": 434.5,
   "start_elevation_m": 1642.605211406316,
   "end_elevation_m": 1641.4496057755005,
   "start_xy": [
    2603924.357954274,
    1129695.08998912
   ],
   "end_xy": [
    2603920.9225981496,
    1129719.3188347153
   ]
  },
  "min_50m": {
   "gradient_pct": 1.1925634358149182,
   "start_distance_m": 712.0,
   "end_distance_m": 762.0,
   "midpoint_distance_m": 737.0,
   "start_elevation_m": 1654.1151974643294,
   "end_elevation_m": 1654.7114791822369,
   "start_xy": [
    2604134.65470481,
    1129865.395789633
   ],
   "end_xy": [
    2604181.9939135597,
    1129880.318930592
   ]
  },
  "min_100m": {
   "gradient_pct": 1.340522740841834,
   "start_distance_m": 662.0,
   "end_distance_m": 762.0,
   "midpoint_distance_m": 712.0,
   "start_elevation_m": 1653.370956441395,
   "end_elevation_m": 1654.7114791822369,
   "start_xy": [
    2604090.8352848096,
    1129841.315549079
   ],
   "end_xy": [
    2604181.9939135597,
    1129880.318930592
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 19.668035889640123,
   "start_distance_m": 335.0,
   "end_distance_m": 337.0,
   "midpoint_distance_m": 336.0,
   "start_elevation_m": 1630.8530371415072,
   "end_elevation_m": 1631.2463978593,
   "start_xy": [
    2603975.9358083466,
    1129626.9079824495
   ],
   "end_xy": [
    2603975.2490379494,
    1129628.7863713286
   ]
  },
  "max_3m": {
   "gradient_pct": 19.379817812743266,
   "start_distance_m": 327.0,
   "end_distance_m": 330.0,
   "midpoint_distance_m": 328.5,
   "start_elevation_m": 1629.5011489404264,
   "end_elevation_m": 1630.0825434748087,
   "start_xy": [
    2603978.6818004525,
    1129619.3940279142
   ],
   "end_xy": [
    2603977.6519142725,
    1129622.2117099077
   ]
  }
 },
 "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": 0.038,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 444.0,
     "end_m": 469.0,
     "raw_pct": 20.87,
     "reason": "staircase+spike+hump"
    },
    {
     "window_m": 20.0,
     "start_m": 446.0,
     "end_m": 466.0,
     "raw_pct": 25.05,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 450.0,
     "end_m": 460.0,
     "raw_pct": 30.85,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 455.0,
     "end_m": 460.0,
     "raw_pct": 37.92,
     "reason": "hump+short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    442.0,
    471.0
   ]
  ],
  "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_2024_2603-1129_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2604-1129_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:55:35+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": [
   "2603-1129",
   "2604-1129"
  ],
  "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": "Crans-Montana",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}