{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.4984, 6.8891)",
 "slug": "discovered-lane-46-4984-6-8891",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.560702532236746,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 349.0,
   "end_distance_m": 351.0,
   "start_elevation_m": 753.4120728437767,
   "end_elevation_m": 753.9432868944215,
   "min_gradient_pct": -7.277868137930454,
   "suppressed_max_gradient_pct": 46.11567037341047,
   "suppressed_location_m": [
    342.0,
    344.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.428557639384053,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 18.0,
   "end_distance_m": 21.0,
   "start_elevation_m": 707.6036328480582,
   "end_elevation_m": 708.3664895772397,
   "min_gradient_pct": -7.0623187159109575,
   "suppressed_max_gradient_pct": 38.96588685656752,
   "suppressed_location_m": [
    341.0,
    344.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.594704604272465,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 18.0,
   "end_distance_m": 23.0,
   "start_elevation_m": 707.6036328480582,
   "end_elevation_m": 708.7833680782718,
   "min_gradient_pct": -5.153857930836239,
   "suppressed_max_gradient_pct": 40.48971003467159,
   "suppressed_location_m": [
    342.0,
    347.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.30665524611095,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 15.0,
   "end_distance_m": 25.0,
   "start_elevation_m": 707.0884783164192,
   "end_elevation_m": 709.1191438410303,
   "min_gradient_pct": -1.540535422185485,
   "suppressed_max_gradient_pct": 31.341262045349367,
   "suppressed_location_m": [
    341.0,
    351.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.961389917214206,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 285.0,
   "end_distance_m": 305.0,
   "start_elevation_m": 739.8424761226561,
   "end_elevation_m": 743.4347541060989,
   "min_gradient_pct": 1.696399279987304,
   "suppressed_max_gradient_pct": 25.63862451603029,
   "suppressed_location_m": [
    328.0,
    348.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.08188248193983,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 282.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 739.3064923703791,
   "end_elevation_m": 743.8269629908641,
   "min_gradient_pct": 1.9261908818866686,
   "suppressed_max_gradient_pct": 25.086311967627353,
   "suppressed_location_m": [
    323.0,
    348.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.295478811108524,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 261.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 735.8789462392723,
   "end_elevation_m": 744.5266856448266,
   "min_gradient_pct": 2.430270614644769,
   "suppressed_max_gradient_pct": 22.656904717493262,
   "suppressed_location_m": [
    301.0,
    351.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.19444816492603,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 211.0,
   "end_distance_m": 311.0,
   "start_elevation_m": 729.3322374799005,
   "end_elevation_m": 744.5266856448266,
   "min_gradient_pct": 3.811542102046019,
   "suppressed_max_gradient_pct": 19.616238910330594,
   "suppressed_location_m": [
    252.0,
    352.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.4,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 193.0,
  "shape_class": "sustained"
 },
 "length_m": 719.9541598841964,
 "start_elevation_m": 705.422566396474,
 "end_elevation_m": 781.3762385878874,
 "endpoint_gain_m": 75.95367219141338,
 "overall_gradient_pct": 10.549792809535319,
 "accumulated_ascent_m": 76.59391159256324,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.594704604272465,
   "start_distance_m": 18.0,
   "end_distance_m": 23.0,
   "midpoint_distance_m": 20.5,
   "start_elevation_m": 707.6036328480582,
   "end_elevation_m": 708.7833680782718,
   "start_xy": [
    2557773.9158350276,
    1149847.7257040632
   ],
   "end_xy": [
    2557777.217238583,
    1149843.971978504
   ]
  },
  "max_10m": {
   "gradient_pct": 20.30665524611095,
   "start_distance_m": 15.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 20.0,
   "start_elevation_m": 707.0884783164192,
   "end_elevation_m": 709.1191438410303,
   "start_xy": [
    2557771.9589382685,
    1149849.9995892686
   ],
   "end_xy": [
    2557778.679114213,
    1149842.607090557
   ]
  },
  "max_20m": {
   "gradient_pct": 17.961389917214206,
   "start_distance_m": 285.0,
   "end_distance_m": 305.0,
   "midpoint_distance_m": 295.0,
   "start_elevation_m": 739.8424761226561,
   "end_elevation_m": 743.4347541060989,
   "start_xy": [
    2557932.832713703,
    1149928.320700029
   ],
   "end_xy": [
    2557949.810114782,
    1149938.7563855546
   ]
  },
  "max_25m": {
   "gradient_pct": 18.08188248193983,
   "start_distance_m": 282.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 294.5,
   "start_elevation_m": 739.3064923703791,
   "end_elevation_m": 743.8269629908641,
   "start_xy": [
    2557930.078444147,
    1149927.1315837495
   ],
   "end_xy": [
    2557951.425544054,
    1149939.9348833864
   ]
  },
  "max_50m": {
   "gradient_pct": 17.295478811108524,
   "start_distance_m": 261.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 286.0,
   "start_elevation_m": 735.8789462392723,
   "end_elevation_m": 744.5266856448266,
   "start_xy": [
    2557910.390263385,
    1149919.8664567545
   ],
   "end_xy": [
    2557954.570781356,
    1149942.406215136
   ]
  },
  "max_100m": {
   "gradient_pct": 15.19444816492603,
   "start_distance_m": 211.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 261.0,
   "start_elevation_m": 729.3322374799005,
   "end_elevation_m": 744.5266856448266,
   "start_xy": [
    2557876.778572846,
    1149888.3434995285
   ],
   "end_xy": [
    2557954.570781356,
    1149942.406215136
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.153857930836239,
   "start_distance_m": 149.0,
   "end_distance_m": 154.0,
   "midpoint_distance_m": 151.5,
   "start_elevation_m": 722.4643832196396,
   "end_elevation_m": 722.2066903230977,
   "start_xy": [
    2557897.695753848,
    1149844.0947822214
   ],
   "end_xy": [
    2557902.6759107253,
    1149844.5397962397
   ]
  },
  "min_10m": {
   "gradient_pct": -1.540535422185485,
   "start_distance_m": 147.0,
   "end_distance_m": 157.0,
   "midpoint_distance_m": 152.0,
   "start_elevation_m": 722.3789019901203,
   "end_elevation_m": 722.2248484479018,
   "start_xy": [
    2557895.703691097,
    1149843.916776614
   ],
   "end_xy": [
    2557905.6593707628,
    1149844.829838347
   ]
  },
  "min_20m": {
   "gradient_pct": 1.696399279987304,
   "start_distance_m": 602.0,
   "end_distance_m": 622.0,
   "midpoint_distance_m": 612.0,
   "start_elevation_m": 775.1349309031746,
   "end_elevation_m": 775.474210759172,
   "start_xy": [
    2558199.057422545,
    1149997.7589846095
   ],
   "end_xy": [
    2558203.8694119663,
    1150017.1714713995
   ]
  },
  "min_25m": {
   "gradient_pct": 1.9261908818866686,
   "start_distance_m": 597.0,
   "end_distance_m": 622.0,
   "midpoint_distance_m": 609.5,
   "start_elevation_m": 774.9926630387004,
   "end_elevation_m": 775.474210759172,
   "start_xy": [
    2558197.8543942044,
    1149992.905870426
   ],
   "end_xy": [
    2558203.8694119663,
    1150017.1714713995
   ]
  },
  "min_50m": {
   "gradient_pct": 2.430270614644769,
   "start_distance_m": 573.0,
   "end_distance_m": 623.0,
   "midpoint_distance_m": 598.0,
   "start_elevation_m": 774.2961688029309,
   "end_elevation_m": 775.5113041102533,
   "start_xy": [
    2558190.806870484,
    1149969.9737814956
   ],
   "end_xy": [
    2558204.1099812207,
    1150018.1421031877
   ]
  },
  "min_100m": {
   "gradient_pct": 3.811542102046019,
   "start_distance_m": 552.0,
   "end_distance_m": 652.0,
   "midpoint_distance_m": 602.0,
   "start_elevation_m": 773.2979484757064,
   "end_elevation_m": 777.1094905777525,
   "start_xy": [
    2558183.7122295024,
    1149950.2353987354
   ],
   "end_xy": [
    2558217.1323068095,
    1150043.7129192099
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.560702532236746,
   "start_distance_m": 349.0,
   "end_distance_m": 351.0,
   "midpoint_distance_m": 350.0,
   "start_elevation_m": 753.4120728437767,
   "end_elevation_m": 753.9432868944215,
   "start_xy": [
    2557988.0736658648,
    1149949.8466721673
   ],
   "end_xy": [
    2557989.892579399,
    1149949.0150754116
   ]
  },
  "max_3m": {
   "gradient_pct": 25.428557639384053,
   "start_distance_m": 18.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 19.5,
   "start_elevation_m": 707.6036328480582,
   "end_elevation_m": 708.3664895772397,
   "start_xy": [
    2557773.9158350276,
    1149847.7257040632
   ],
   "end_xy": [
    2557775.8727433304,
    1149845.4518288109
   ]
  }
 },
 "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": 0.008,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.049,
   "windows_resited": [
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 314.0,
     "end_m": 339.0,
     "raw_pct": 21.55,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    312.0,
    346.0
   ]
  ],
  "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_2557-1149_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2557-1150_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2558-1149_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2558-1150_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-12T01:30:10+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": [
   "2557-1149",
   "2557-1150",
   "2558-1149",
   "2558-1150"
  ],
  "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": "Blonay - Saint-L\u00e9gier",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}