{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.5854, 8.9359)",
 "slug": "discovered-lane-46-5854-8-9359",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 16.90581160552256,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1855.0,
   "end_distance_m": 1857.0,
   "start_elevation_m": 1478.6999744526352,
   "end_elevation_m": 1479.0380906847456,
   "min_gradient_pct": -187.61978461105855,
   "suppressed_max_gradient_pct": 190.33170142068911,
   "suppressed_location_m": [
    1107.0,
    1109.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.563799486903008,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1856.0,
   "end_distance_m": 1859.0,
   "start_elevation_m": 1478.844018671592,
   "end_elevation_m": 1479.3409326561991,
   "min_gradient_pct": -129.10879405237665,
   "suppressed_max_gradient_pct": 135.9895135813455,
   "suppressed_location_m": [
    1107.0,
    1110.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.14953646777849,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1856.0,
   "end_distance_m": 1861.0,
   "start_elevation_m": 1478.844018671592,
   "end_elevation_m": 1479.651495494981,
   "min_gradient_pct": -82.18994853084496,
   "suppressed_max_gradient_pct": 84.33425497725693,
   "suppressed_location_m": [
    1107.0,
    1112.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 15.820504000571418,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 608.0,
   "end_distance_m": 618.0,
   "start_elevation_m": 1336.9748488347561,
   "end_elevation_m": 1338.5568992348133,
   "min_gradient_pct": -42.04273233636741,
   "suppressed_max_gradient_pct": 46.8921690647835,
   "suppressed_location_m": [
    1107.0,
    1117.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.217046176048825,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2265.0,
   "end_distance_m": 2285.0,
   "start_elevation_m": 1530.064671350339,
   "end_elevation_m": 1533.1080805855488,
   "min_gradient_pct": -17.762124596249578,
   "suppressed_max_gradient_pct": 28.217225846628935,
   "suppressed_location_m": [
    1107.0,
    1127.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.040386605587628,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2261.0,
   "end_distance_m": 2286.0,
   "start_elevation_m": 1529.4870292371443,
   "end_elevation_m": 1533.2471258885412,
   "min_gradient_pct": -12.11765417382594,
   "suppressed_max_gradient_pct": 24.425895973263323,
   "suppressed_location_m": [
    1107.0,
    1132.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.237483781993433,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2248.0,
   "end_distance_m": 2298.0,
   "start_elevation_m": 1527.75392442046,
   "end_elevation_m": 1534.8726663114567,
   "min_gradient_pct": -0.15616189211914389,
   "suppressed_max_gradient_pct": 17.36446416886065,
   "suppressed_location_m": [
    1107.0,
    1157.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.101599821767422,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2192.0,
   "end_distance_m": 2292.0,
   "start_elevation_m": 1520.9905991660012,
   "end_elevation_m": 1534.0921989877686,
   "min_gradient_pct": 5.79101808171572,
   "suppressed_max_gradient_pct": 14.331406447952077,
   "suppressed_location_m": [
    1107.0,
    1207.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.276,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 597.0,
  "shape_class": "sustained"
 },
 "length_m": 2346.63662855669,
 "start_elevation_m": 1281.3732245019605,
 "end_elevation_m": 1540.6227007343562,
 "endpoint_gain_m": 259.24947623239564,
 "overall_gradient_pct": 11.04770432190212,
 "accumulated_ascent_m": 266.5420120609442,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.14953646777849,
   "start_distance_m": 1856.0,
   "end_distance_m": 1861.0,
   "midpoint_distance_m": 1858.5,
   "start_elevation_m": 1478.844018671592,
   "end_elevation_m": 1479.651495494981,
   "start_xy": [
    2714897.7387441527,
    1160044.020629998
   ],
   "end_xy": [
    2714892.793843766,
    1160044.7589029034
   ]
  },
  "max_10m": {
   "gradient_pct": 15.820504000571418,
   "start_distance_m": 608.0,
   "end_distance_m": 618.0,
   "midpoint_distance_m": 613.0,
   "start_elevation_m": 1336.9748488347561,
   "end_elevation_m": 1338.5568992348133,
   "start_xy": [
    2714909.1249118065,
    1159030.0672300714
   ],
   "end_xy": [
    2714910.603201215,
    1159039.9226549088
   ]
  },
  "max_20m": {
   "gradient_pct": 15.217046176048825,
   "start_distance_m": 2265.0,
   "end_distance_m": 2285.0,
   "midpoint_distance_m": 2275.0,
   "start_elevation_m": 1530.064671350339,
   "end_elevation_m": 1533.1080805855488,
   "start_xy": [
    2714726.578801287,
    1160372.4397916368
   ],
   "end_xy": [
    2714724.5285362415,
    1160392.1213399454
   ]
  },
  "max_25m": {
   "gradient_pct": 15.040386605587628,
   "start_distance_m": 2261.0,
   "end_distance_m": 2286.0,
   "midpoint_distance_m": 2273.5,
   "start_elevation_m": 1529.4870292371443,
   "end_elevation_m": 1533.2471258885412,
   "start_xy": [
    2714727.7255347166,
    1160368.607690067
   ],
   "end_xy": [
    2714724.6037392565,
    1160393.1185081892
   ]
  },
  "max_50m": {
   "gradient_pct": 14.237483781993433,
   "start_distance_m": 2248.0,
   "end_distance_m": 2298.0,
   "midpoint_distance_m": 2273.0,
   "start_elevation_m": 1527.75392442046,
   "end_elevation_m": 1534.8726663114567,
   "start_xy": [
    2714731.4524183627,
    1160356.153359965
   ],
   "end_xy": [
    2714727.362354116,
    1160404.7778750453
   ]
  },
  "max_100m": {
   "gradient_pct": 13.101599821767422,
   "start_distance_m": 2192.0,
   "end_distance_m": 2292.0,
   "midpoint_distance_m": 2242.0,
   "start_elevation_m": 1520.9905991660012,
   "end_elevation_m": 1534.0921989877686,
   "start_xy": [
    2714744.752792769,
    1160302.4343859716
   ],
   "end_xy": [
    2714725.841987431,
    1160398.9774591874
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -82.18994853084496,
   "start_distance_m": 1102.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1104.5,
   "start_elevation_m": 1391.420250436771,
   "end_elevation_m": 1387.3107530102288,
   "start_xy": [
    2714863.894407301,
    1159486.1389770801
   ],
   "end_xy": [
    2714864.5842866097,
    1159491.0862718206
   ]
  },
  "min_10m": {
   "gradient_pct": -42.04273233636741,
   "start_distance_m": 1097.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1102.0,
   "start_elevation_m": 1391.5150262438656,
   "end_elevation_m": 1387.3107530102288,
   "start_xy": [
    2714864.7992197718,
    1159481.2538625288
   ],
   "end_xy": [
    2714864.5842866097,
    1159491.0862718206
   ]
  },
  "min_20m": {
   "gradient_pct": -17.762124596249578,
   "start_distance_m": 1087.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1097.0,
   "start_elevation_m": 1390.8631779294788,
   "end_elevation_m": 1387.3107530102288,
   "start_xy": [
    2714869.130644966,
    1159472.2752986746
   ],
   "end_xy": [
    2714864.5842866097,
    1159491.0862718206
   ]
  },
  "min_25m": {
   "gradient_pct": -12.11765417382594,
   "start_distance_m": 1082.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1094.5,
   "start_elevation_m": 1390.3401665536853,
   "end_elevation_m": 1387.3107530102288,
   "start_xy": [
    2714871.7616528817,
    1159468.0234993675
   ],
   "end_xy": [
    2714864.5842866097,
    1159491.0862718206
   ]
  },
  "min_50m": {
   "gradient_pct": -0.15616189211914389,
   "start_distance_m": 1057.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1082.0,
   "start_elevation_m": 1387.3888339562884,
   "end_elevation_m": 1387.3107530102288,
   "start_xy": [
    2714884.4541889844,
    1159446.5001709033
   ],
   "end_xy": [
    2714864.5842866097,
    1159491.0862718206
   ]
  },
  "min_100m": {
   "gradient_pct": 5.79101808171572,
   "start_distance_m": 1007.0,
   "end_distance_m": 1107.0,
   "midpoint_distance_m": 1057.0,
   "start_elevation_m": 1381.5197349285131,
   "end_elevation_m": 1387.3107530102288,
   "start_xy": [
    2714904.434179033,
    1159400.670078827
   ],
   "end_xy": [
    2714864.5842866097,
    1159491.0862718206
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 16.90581160552256,
   "start_distance_m": 1855.0,
   "end_distance_m": 1857.0,
   "midpoint_distance_m": 1856.0,
   "start_elevation_m": 1478.6999744526352,
   "end_elevation_m": 1479.0380906847456,
   "start_xy": [
    2714898.7324894653,
    1160043.9089597072
   ],
   "end_xy": [
    2714896.7480782545,
    1160044.155554237
   ]
  },
  "max_3m": {
   "gradient_pct": 16.563799486903008,
   "start_distance_m": 1856.0,
   "end_distance_m": 1859.0,
   "midpoint_distance_m": 1857.5,
   "start_elevation_m": 1478.844018671592,
   "end_elevation_m": 1479.3409326561991,
   "start_xy": [
    2714897.7387441527,
    1160044.020629998
   ],
   "end_xy": [
    2714894.7709610104,
    1160044.4572285702
   ]
  }
 },
 "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": 0.013,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    427.0,
    437.0
   ],
   [
    1097.0,
    1116.0
   ]
  ],
  "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_2022_2714-1158_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2714-1159_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2714-1160_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2715-1158_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2715-1159_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2715-1160_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T21:04:00+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": [
   "2714-1158",
   "2714-1159",
   "2714-1160",
   "2715-1158",
   "2715-1159",
   "2715-1160"
  ],
  "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": "Blenio",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}