{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.4610, 8.8412)",
 "slug": "discovered-lane-46-4610-8-8412",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.80300324376458,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3102.0,
   "end_distance_m": 3104.0,
   "start_elevation_m": 1294.7220362701482,
   "end_elevation_m": 1295.5180963350235,
   "min_gradient_pct": -135.7366322859093,
   "suppressed_max_gradient_pct": 103.78322002042069,
   "suppressed_location_m": [
    2987.0,
    2989.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.4553622929155,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 721.0,
   "end_distance_m": 724.0,
   "start_elevation_m": 1040.6329865175853,
   "end_elevation_m": 1041.3066473863728,
   "min_gradient_pct": -115.12679010483377,
   "suppressed_max_gradient_pct": 93.41875949158596,
   "suppressed_location_m": [
    2987.0,
    2990.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.661498593854958,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3099.0,
   "end_distance_m": 3104.0,
   "start_elevation_m": 1294.2850214053308,
   "end_elevation_m": 1295.5180963350235,
   "min_gradient_pct": -64.6253428129694,
   "suppressed_max_gradient_pct": 80.00308314402446,
   "suppressed_location_m": [
    2986.0,
    2991.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.37408086103551,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3094.0,
   "end_distance_m": 3104.0,
   "start_elevation_m": 1293.68068824892,
   "end_elevation_m": 1295.5180963350235,
   "min_gradient_pct": -26.963599817779595,
   "suppressed_max_gradient_pct": 49.62907464116597,
   "suppressed_location_m": [
    2985.0,
    2995.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.138363944185357,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3375.0,
   "end_distance_m": 3395.0,
   "start_elevation_m": 1327.4694454073594,
   "end_elevation_m": 1330.8971181961965,
   "min_gradient_pct": -7.9244980419446165,
   "suppressed_max_gradient_pct": 30.248219296336174,
   "suppressed_location_m": [
    2983.0,
    3003.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.931635329254277,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3370.0,
   "end_distance_m": 3395.0,
   "start_elevation_m": 1326.664209363883,
   "end_elevation_m": 1330.8971181961965,
   "min_gradient_pct": -4.033633732062299,
   "suppressed_max_gradient_pct": 26.325639559065166,
   "suppressed_location_m": [
    2983.0,
    3008.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.213493191661655,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3360.0,
   "end_distance_m": 3410.0,
   "start_elevation_m": 1325.2036549501086,
   "end_elevation_m": 1333.3104015459394,
   "min_gradient_pct": 2.8970368308396246,
   "suppressed_max_gradient_pct": 19.2650381540152,
   "suppressed_location_m": [
    2983.0,
    3033.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.27916963774669,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3316.0,
   "end_distance_m": 3416.0,
   "start_elevation_m": 1318.8430224092676,
   "end_elevation_m": 1334.1221920470143,
   "min_gradient_pct": 3.5757860036046623,
   "suppressed_max_gradient_pct": 15.425765498009469,
   "suppressed_location_m": [
    2983.0,
    3083.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.27,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 327.0,
  "shape_class": "sustained"
 },
 "length_m": 4018.635551522561,
 "start_elevation_m": 959.8787528574301,
 "end_elevation_m": 1389.3249860859269,
 "endpoint_gain_m": 429.4462332284968,
 "overall_gradient_pct": 10.686369234597308,
 "accumulated_ascent_m": 434.75602087217646,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.661498593854958,
   "start_distance_m": 3099.0,
   "end_distance_m": 3104.0,
   "midpoint_distance_m": 3101.5,
   "start_elevation_m": 1294.2850214053308,
   "end_elevation_m": 1295.5180963350235,
   "start_xy": [
    2707734.037197846,
    1146457.5834588385
   ],
   "end_xy": [
    2707733.099031291,
    1146462.4946545702
   ]
  },
  "max_10m": {
   "gradient_pct": 18.37408086103551,
   "start_distance_m": 3094.0,
   "end_distance_m": 3104.0,
   "midpoint_distance_m": 3099.0,
   "start_elevation_m": 1293.68068824892,
   "end_elevation_m": 1295.5180963350235,
   "start_xy": [
    2707734.975364401,
    1146452.6722631068
   ],
   "end_xy": [
    2707733.099031291,
    1146462.4946545702
   ]
  },
  "max_20m": {
   "gradient_pct": 17.138363944185357,
   "start_distance_m": 3375.0,
   "end_distance_m": 3395.0,
   "midpoint_distance_m": 3385.0,
   "start_elevation_m": 1327.4694454073594,
   "end_elevation_m": 1330.8971181961965,
   "start_xy": [
    2707926.063229044,
    1146369.7951778723
   ],
   "end_xy": [
    2707942.531970936,
    1146358.447026459
   ]
  },
  "max_25m": {
   "gradient_pct": 16.931635329254277,
   "start_distance_m": 3370.0,
   "end_distance_m": 3395.0,
   "midpoint_distance_m": 3382.5,
   "start_elevation_m": 1326.664209363883,
   "end_elevation_m": 1330.8971181961965,
   "start_xy": [
    2707922.112011104,
    1146372.8442586702
   ],
   "end_xy": [
    2707942.531970936,
    1146358.447026459
   ]
  },
  "max_50m": {
   "gradient_pct": 16.213493191661655,
   "start_distance_m": 3360.0,
   "end_distance_m": 3410.0,
   "midpoint_distance_m": 3385.0,
   "start_elevation_m": 1325.2036549501086,
   "end_elevation_m": 1333.3104015459394,
   "start_xy": [
    2707914.626090783,
    1146379.4745676338
   ],
   "end_xy": [
    2707954.883527355,
    1146349.9359128992
   ]
  },
  "max_100m": {
   "gradient_pct": 15.27916963774669,
   "start_distance_m": 3316.0,
   "end_distance_m": 3416.0,
   "midpoint_distance_m": 3366.0,
   "start_elevation_m": 1318.8430224092676,
   "end_elevation_m": 1334.1221920470143,
   "start_xy": [
    2707872.675905391,
    1146386.8599919057
   ],
   "end_xy": [
    2707958.116093857,
    1146344.915934078
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -64.6253428129694,
   "start_distance_m": 2980.0,
   "end_distance_m": 2985.0,
   "midpoint_distance_m": 2982.5,
   "start_elevation_m": 1280.0428388822236,
   "end_elevation_m": 1276.811571741575,
   "start_xy": [
    2707766.663893669,
    1146351.1117358657
   ],
   "end_xy": [
    2707766.2223141934,
    1146356.0921984515
   ]
  },
  "min_10m": {
   "gradient_pct": -26.963599817779595,
   "start_distance_m": 2973.0,
   "end_distance_m": 2983.0,
   "midpoint_distance_m": 2978.0,
   "start_elevation_m": 1279.2853951608565,
   "end_elevation_m": 1276.5890351790786,
   "start_xy": [
    2707766.9142610366,
    1146344.1212072864
   ],
   "end_xy": [
    2707766.3989459835,
    1146354.1000134172
   ]
  },
  "min_20m": {
   "gradient_pct": -7.9244980419446165,
   "start_distance_m": 2965.0,
   "end_distance_m": 2985.0,
   "midpoint_distance_m": 2975.0,
   "start_elevation_m": 1278.396471349964,
   "end_elevation_m": 1276.811571741575,
   "start_xy": [
    2707766.983962511,
    1146336.1215109355
   ],
   "end_xy": [
    2707766.2223141934,
    1146356.0921984515
   ]
  },
  "min_25m": {
   "gradient_pct": -4.033633732062299,
   "start_distance_m": 2960.0,
   "end_distance_m": 2985.0,
   "midpoint_distance_m": 2972.5,
   "start_elevation_m": 1277.8199801745907,
   "end_elevation_m": 1276.811571741575,
   "start_xy": [
    2707767.027525933,
    1146331.1217007164
   ],
   "end_xy": [
    2707766.2223141934,
    1146356.0921984515
   ]
  },
  "min_50m": {
   "gradient_pct": 2.8970368308396246,
   "start_distance_m": 3915.0,
   "end_distance_m": 3965.0,
   "midpoint_distance_m": 3940.0,
   "start_elevation_m": 1382.3335540555913,
   "end_elevation_m": 1383.7820724710111,
   "start_xy": [
    2708258.520426661,
    1146002.4969701949
   ],
   "end_xy": [
    2708307.510156547,
    1146006.9782173517
   ]
  },
  "min_100m": {
   "gradient_pct": 3.5757860036046623,
   "start_distance_m": 2737.0,
   "end_distance_m": 2837.0,
   "midpoint_distance_m": 2787.0,
   "start_elevation_m": 1262.2742502443912,
   "end_elevation_m": 1265.8500362479958,
   "start_xy": [
    2707850.867860012,
    1146131.309404682
   ],
   "end_xy": [
    2707799.5402628714,
    1146214.2643223458
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.80300324376458,
   "start_distance_m": 3102.0,
   "end_distance_m": 3104.0,
   "midpoint_distance_m": 3103.0,
   "start_elevation_m": 1294.7220362701482,
   "end_elevation_m": 1295.5180963350235,
   "start_xy": [
    2707733.4742979133,
    1146460.5301762775
   ],
   "end_xy": [
    2707733.099031291,
    1146462.4946545702
   ]
  },
  "max_3m": {
   "gradient_pct": 22.4553622929155,
   "start_distance_m": 721.0,
   "end_distance_m": 724.0,
   "midpoint_distance_m": 722.5,
   "start_elevation_m": 1040.6329865175853,
   "end_elevation_m": 1041.3066473863728,
   "start_xy": [
    2707611.984732021,
    1145755.5814259618
   ],
   "end_xy": [
    2707612.8258268093,
    1145752.7017455008
   ]
  }
 },
 "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": 0.01,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    604.0,
    609.0
   ],
   [
    2972.0,
    2998.0
   ],
   [
    4012.0,
    4017.0
   ]
  ],
  "review": [],
  "extent": [
   "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_2707-1145_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2707-1146_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2708-1145_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2708-1146_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:49:35+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10-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": [
   "2707-1145",
   "2707-1146",
   "2708-1145",
   "2708-1146"
  ],
  "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": "Faido",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}