{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.2304, 6.9870)",
 "slug": "discovered-lane-46-2304-6-9870",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.580734822081467,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1292.0,
   "end_distance_m": 1294.0,
   "start_elevation_m": 536.6217150466778,
   "end_elevation_m": 536.9733297431194,
   "min_gradient_pct": -32.26993582495652,
   "suppressed_max_gradient_pct": 71.70354453837717,
   "suppressed_location_m": [
    1505.0,
    1507.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.72193557567425,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1291.0,
   "end_distance_m": 1294.0,
   "start_elevation_m": 536.4716716758492,
   "end_elevation_m": 536.9733297431194,
   "min_gradient_pct": -29.296548170592967,
   "suppressed_max_gradient_pct": 70.96770936046066,
   "suppressed_location_m": [
    1505.0,
    1508.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.46490216253369,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1289.0,
   "end_distance_m": 1294.0,
   "start_elevation_m": 536.1500846349927,
   "end_elevation_m": 536.9733297431194,
   "min_gradient_pct": -24.43706950612068,
   "suppressed_max_gradient_pct": 53.03254108073361,
   "suppressed_location_m": [
    1504.0,
    1509.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.01472139144903,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1286.0,
   "end_distance_m": 1296.0,
   "start_elevation_m": 535.6801223954404,
   "end_elevation_m": 537.2815945345853,
   "min_gradient_pct": -6.574377315275797,
   "suppressed_max_gradient_pct": 33.384770342779575,
   "suppressed_location_m": [
    1504.0,
    1514.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.385578066523635,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1284.0,
   "end_distance_m": 1304.0,
   "start_elevation_m": 535.3739565752587,
   "end_elevation_m": 538.4510721885634,
   "min_gradient_pct": 3.5081599901593563,
   "suppressed_max_gradient_pct": 23.451148686950773,
   "suppressed_location_m": [
    1504.0,
    1524.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.016988146781841,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1284.0,
   "end_distance_m": 1309.0,
   "start_elevation_m": 535.3739565752587,
   "end_elevation_m": 539.1282036119542,
   "min_gradient_pct": 3.9689595944973917,
   "suppressed_max_gradient_pct": 21.392482852833837,
   "suppressed_location_m": [
    1504.0,
    1529.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.727573493217733,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1278.0,
   "end_distance_m": 1328.0,
   "start_elevation_m": 534.5687291626803,
   "end_elevation_m": 541.4325159092891,
   "min_gradient_pct": 4.702121081493942
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.482597849723902,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1278.0,
   "end_distance_m": 1378.0,
   "start_elevation_m": 534.5687291626803,
   "end_elevation_m": 548.0513270124042,
   "min_gradient_pct": 5.424202869177407
  }
 ],
 "shape": {
  "ascent_concentration": 0.296,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 292.0,
  "shape_class": "sustained"
 },
 "length_m": 1529.8008668509115,
 "start_elevation_m": 402.70088624315764,
 "end_elevation_m": 568.0803627827268,
 "endpoint_gain_m": 165.3794765395691,
 "overall_gradient_pct": 10.810523129065945,
 "accumulated_ascent_m": 166.60133001487515,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.46490216253369,
   "start_distance_m": 1289.0,
   "end_distance_m": 1294.0,
   "midpoint_distance_m": 1291.5,
   "start_elevation_m": 536.1500846349927,
   "end_elevation_m": 536.9733297431194,
   "start_xy": [
    2565127.0522832093,
    1119880.313440882
   ],
   "end_xy": [
    2565130.3144107317,
    1119876.5589123317
   ]
  },
  "max_10m": {
   "gradient_pct": 16.01472139144903,
   "start_distance_m": 1286.0,
   "end_distance_m": 1296.0,
   "midpoint_distance_m": 1291.0,
   "start_elevation_m": 535.6801223954404,
   "end_elevation_m": 537.2815945345853,
   "start_xy": [
    2565124.6767770974,
    1119882.1356998137
   ],
   "end_xy": [
    2565131.122472298,
    1119874.7294215544
   ]
  },
  "max_20m": {
   "gradient_pct": 15.385578066523635,
   "start_distance_m": 1284.0,
   "end_distance_m": 1304.0,
   "midpoint_distance_m": 1294.0,
   "start_elevation_m": 535.3739565752587,
   "end_elevation_m": 538.4510721885634,
   "start_xy": [
    2565123.038325535,
    1119883.2826221748
   ],
   "end_xy": [
    2565133.2915728763,
    1119867.0809567529
   ]
  },
  "max_25m": {
   "gradient_pct": 15.016988146781841,
   "start_distance_m": 1284.0,
   "end_distance_m": 1309.0,
   "midpoint_distance_m": 1296.5,
   "start_elevation_m": 535.3739565752587,
   "end_elevation_m": 539.1282036119542,
   "start_xy": [
    2565123.038325535,
    1119883.2826221748
   ],
   "end_xy": [
    2565133.195416352,
    1119862.0861094585
   ]
  },
  "max_50m": {
   "gradient_pct": 13.727573493217733,
   "start_distance_m": 1278.0,
   "end_distance_m": 1328.0,
   "midpoint_distance_m": 1303.0,
   "start_elevation_m": 534.5687291626803,
   "end_elevation_m": 541.4325159092891,
   "start_xy": [
    2565118.221698407,
    1119886.8573641668
   ],
   "end_xy": [
    2565125.981887961,
    1119844.8363497572
   ]
  },
  "max_100m": {
   "gradient_pct": 13.482597849723902,
   "start_distance_m": 1278.0,
   "end_distance_m": 1378.0,
   "midpoint_distance_m": 1328.0,
   "start_elevation_m": 534.5687291626803,
   "end_elevation_m": 548.0513270124042,
   "start_xy": [
    2565118.221698407,
    1119886.8573641668
   ],
   "end_xy": [
    2565094.5666153305,
    1119805.954994508
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -24.43706950612068,
   "start_distance_m": 1499.0,
   "end_distance_m": 1504.0,
   "midpoint_distance_m": 1501.5,
   "start_elevation_m": 563.8440230364572,
   "end_elevation_m": 562.6221695611512,
   "start_xy": [
    2565001.3905406417,
    1119733.383774184
   ],
   "end_xy": [
    2565000.7391480505,
    1119728.431780555
   ]
  },
  "min_10m": {
   "gradient_pct": -6.574377315275797,
   "start_distance_m": 1494.0,
   "end_distance_m": 1504.0,
   "midpoint_distance_m": 1499.0,
   "start_elevation_m": 563.2796072926787,
   "end_elevation_m": 562.6221695611512,
   "start_xy": [
    2565002.892899603,
    1119738.1356919073
   ],
   "end_xy": [
    2565000.7391480505,
    1119728.431780555
   ]
  },
  "min_20m": {
   "gradient_pct": 3.5081599901593563,
   "start_distance_m": 1484.0,
   "end_distance_m": 1504.0,
   "midpoint_distance_m": 1494.0,
   "start_elevation_m": 561.9205375631193,
   "end_elevation_m": 562.6221695611512,
   "start_xy": [
    2565008.8959739185,
    1119746.0548908957
   ],
   "end_xy": [
    2565000.7391480505,
    1119728.431780555
   ]
  },
  "min_25m": {
   "gradient_pct": 3.9689595944973917,
   "start_distance_m": 1060.0,
   "end_distance_m": 1085.0,
   "midpoint_distance_m": 1072.5,
   "start_elevation_m": 515.3971350483024,
   "end_elevation_m": 516.3893749469268,
   "start_xy": [
    2565099.139615806,
    1119985.6843739948
   ],
   "end_xy": [
    2565115.850420766,
    1119973.3899392553
   ]
  },
  "min_50m": {
   "gradient_pct": 4.702121081493942,
   "start_distance_m": 1057.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1082.0,
   "start_elevation_m": 515.2593165179353,
   "end_elevation_m": 517.6103770586823,
   "start_xy": [
    2565099.5688733268,
    1119988.6425193648
   ],
   "end_xy": [
    2565137.3433527653,
    1119977.9974516928
   ]
  },
  "min_100m": {
   "gradient_pct": 5.424202869177407,
   "start_distance_m": 1049.0,
   "end_distance_m": 1149.0,
   "midpoint_distance_m": 1099.0,
   "start_elevation_m": 514.6428789680749,
   "end_elevation_m": 520.0670818372523,
   "start_xy": [
    2565103.475126042,
    1119995.5492807606
   ],
   "end_xy": [
    2565175.118481383,
    1119979.091055734
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.580734822081467,
   "start_distance_m": 1292.0,
   "end_distance_m": 1294.0,
   "midpoint_distance_m": 1293.0,
   "start_elevation_m": 536.6217150466778,
   "end_elevation_m": 536.9733297431194,
   "start_xy": [
    2565129.141006758,
    1119878.1688596064
   ],
   "end_xy": [
    2565130.3144107317,
    1119876.5589123317
   ]
  },
  "max_3m": {
   "gradient_pct": 16.72193557567425,
   "start_distance_m": 1291.0,
   "end_distance_m": 1294.0,
   "midpoint_distance_m": 1292.5,
   "start_elevation_m": 536.4716716758492,
   "end_elevation_m": 536.9733297431194,
   "start_xy": [
    2565128.5037668655,
    1119878.9375065824
   ],
   "end_xy": [
    2565130.3144107317,
    1119876.5589123317
   ]
  }
 },
 "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": 0.016,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    1492.0,
    1516.0
   ]
  ],
  "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_2024_2564-1119_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2564-1120_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2565-1119_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2565-1120_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:05:42+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10-batch.osm.pbf",
  "osm_snapshot": "",
  "run_id": "ch-run6-260910",
  "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": [
   "2564-1119",
   "2564-1120",
   "2565-1119",
   "2565-1120"
  ],
  "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": "Massongex",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}