{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.4077, 8.9016)",
 "slug": "discovered-lane-46-4077-8-9016",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.628933925323054,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 6208.0,
   "end_distance_m": 6210.0,
   "start_elevation_m": 1465.319592932168,
   "end_elevation_m": 1466.1721716106745,
   "min_gradient_pct": -106.91421057683783,
   "suppressed_max_gradient_pct": 191.27862098985133,
   "suppressed_location_m": [
    5134.0,
    5136.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.565766185621214,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1093.0,
   "end_distance_m": 1096.0,
   "start_elevation_m": 1031.0942206257864,
   "end_elevation_m": 1032.071193611355,
   "min_gradient_pct": -105.93997452504784,
   "suppressed_max_gradient_pct": 164.35652757755483,
   "suppressed_location_m": [
    5134.0,
    5137.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.833081796530678,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 4084.0,
   "end_distance_m": 4089.0,
   "start_elevation_m": 1319.0469645796777,
   "end_elevation_m": 1320.3886186695042,
   "min_gradient_pct": -90.60272570926827,
   "suppressed_max_gradient_pct": 100.33530870193317,
   "suppressed_location_m": [
    5134.0,
    5139.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.825003488021366,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 817.0,
   "end_distance_m": 827.0,
   "start_elevation_m": 1015.7160542562159,
   "end_elevation_m": 1017.898554605018,
   "min_gradient_pct": -46.3221984906545,
   "suppressed_max_gradient_pct": 52.57483125803901,
   "suppressed_location_m": [
    5134.0,
    5144.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.445123776492665,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 816.0,
   "end_distance_m": 836.0,
   "start_elevation_m": 1015.561144201069,
   "end_elevation_m": 1019.2501689563676,
   "min_gradient_pct": -23.90383479493721,
   "suppressed_max_gradient_pct": 27.895382395562365,
   "suppressed_location_m": [
    5134.0,
    5154.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.476422192530663,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 816.0,
   "end_distance_m": 841.0,
   "start_elevation_m": 1015.561144201069,
   "end_elevation_m": 1019.9302497492017,
   "min_gradient_pct": -19.39500537297772,
   "suppressed_max_gradient_pct": 22.719884169494435,
   "suppressed_location_m": [
    5134.0,
    5159.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.919254803881813,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7602.0,
   "end_distance_m": 7652.0,
   "start_elevation_m": 1581.8169560490285,
   "end_elevation_m": 1589.7765834509694,
   "min_gradient_pct": -9.90467172405124
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.20407764074048,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7574.0,
   "end_distance_m": 7674.0,
   "start_elevation_m": 1577.803106952491,
   "end_elevation_m": 1593.0071845932314,
   "min_gradient_pct": -7.5420394967445645
  }
 ],
 "shape": {
  "ascent_concentration": 0.285,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 213.0,
  "shape_class": "sustained"
 },
 "length_m": 7911.518355475138,
 "start_elevation_m": 955.6627317871363,
 "end_elevation_m": 1615.0157659374988,
 "endpoint_gain_m": 659.3530341503625,
 "overall_gradient_pct": 8.334089671852427,
 "accumulated_ascent_m": 693.3151863228804,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.833081796530678,
   "start_distance_m": 4084.0,
   "end_distance_m": 4089.0,
   "midpoint_distance_m": 4086.5,
   "start_elevation_m": 1319.0469645796777,
   "end_elevation_m": 1320.3886186695042,
   "start_xy": [
    2711716.8843669845,
    1141189.0456474375
   ],
   "end_xy": [
    2711721.5277645825,
    1141187.2350622248
   ]
  },
  "max_10m": {
   "gradient_pct": 21.825003488021366,
   "start_distance_m": 817.0,
   "end_distance_m": 827.0,
   "midpoint_distance_m": 822.0,
   "start_elevation_m": 1015.7160542562159,
   "end_elevation_m": 1017.898554605018,
   "start_xy": [
    2710892.161695808,
    1141254.8565586596
   ],
   "end_xy": [
    2710894.9607879766,
    1141264.4170126126
   ]
  },
  "max_20m": {
   "gradient_pct": 18.445123776492665,
   "start_distance_m": 816.0,
   "end_distance_m": 836.0,
   "midpoint_distance_m": 826.0,
   "start_elevation_m": 1015.561144201069,
   "end_elevation_m": 1019.2501689563676,
   "start_xy": [
    2710891.812655666,
    1141253.919450886
   ],
   "end_xy": [
    2710893.947155749,
    1141273.2645643405
   ]
  },
  "max_25m": {
   "gradient_pct": 17.476422192530663,
   "start_distance_m": 816.0,
   "end_distance_m": 841.0,
   "midpoint_distance_m": 828.5,
   "start_elevation_m": 1015.561144201069,
   "end_elevation_m": 1019.9302497492017,
   "start_xy": [
    2710891.812655666,
    1141253.919450886
   ],
   "end_xy": [
    2710891.8912377674,
    1141277.806103127
   ]
  },
  "max_50m": {
   "gradient_pct": 15.919254803881813,
   "start_distance_m": 7602.0,
   "end_distance_m": 7652.0,
   "midpoint_distance_m": 7627.0,
   "start_elevation_m": 1581.8169560490285,
   "end_elevation_m": 1589.7765834509694,
   "start_xy": [
    2713299.554692718,
    1140065.8057310833
   ],
   "end_xy": [
    2713344.5785571975,
    1140044.0606328258
   ]
  },
  "max_100m": {
   "gradient_pct": 15.20407764074048,
   "start_distance_m": 7574.0,
   "end_distance_m": 7674.0,
   "midpoint_distance_m": 7624.0,
   "start_elevation_m": 1577.803106952491,
   "end_elevation_m": 1593.0071845932314,
   "start_xy": [
    2713275.2236604546,
    1140079.591038021
   ],
   "end_xy": [
    2713363.0791134895,
    1140032.234676305
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -90.60272570926827,
   "start_distance_m": 5125.0,
   "end_distance_m": 5130.0,
   "midpoint_distance_m": 5127.5,
   "start_elevation_m": 1373.0886225740164,
   "end_elevation_m": 1368.558486288553,
   "start_xy": [
    2712393.676596248,
    1140673.39080005
   ],
   "end_xy": [
    2712396.9936075206,
    1140669.6818001522
   ]
  },
  "min_10m": {
   "gradient_pct": -46.3221984906545,
   "start_distance_m": 5124.0,
   "end_distance_m": 5134.0,
   "midpoint_distance_m": 5129.0,
   "start_elevation_m": 1373.1109600133505,
   "end_elevation_m": 1368.478740164285,
   "start_xy": [
    2712392.8175164647,
    1140673.8940337838
   ],
   "end_xy": [
    2712399.120907404,
    1140666.2959526812
   ]
  },
  "min_20m": {
   "gradient_pct": -23.90383479493721,
   "start_distance_m": 5114.0,
   "end_distance_m": 5134.0,
   "midpoint_distance_m": 5124.0,
   "start_elevation_m": 1373.2595071232724,
   "end_elevation_m": 1368.478740164285,
   "start_xy": [
    2712383.2060685777,
    1140676.462500924
   ],
   "end_xy": [
    2712399.120907404,
    1140666.2959526812
   ]
  },
  "min_25m": {
   "gradient_pct": -19.39500537297772,
   "start_distance_m": 5109.0,
   "end_distance_m": 5134.0,
   "midpoint_distance_m": 5121.5,
   "start_elevation_m": 1373.3274915075294,
   "end_elevation_m": 1368.478740164285,
   "start_xy": [
    2712378.245694506,
    1140677.0870930986
   ],
   "end_xy": [
    2712399.120907404,
    1140666.2959526812
   ]
  },
  "min_50m": {
   "gradient_pct": -9.90467172405124,
   "start_distance_m": 5084.0,
   "end_distance_m": 5134.0,
   "midpoint_distance_m": 5109.0,
   "start_elevation_m": 1373.4310760263106,
   "end_elevation_m": 1368.478740164285,
   "start_xy": [
    2712353.581663574,
    1140681.0531829232
   ],
   "end_xy": [
    2712399.120907404,
    1140666.2959526812
   ]
  },
  "min_100m": {
   "gradient_pct": -7.5420394967445645,
   "start_distance_m": 4719.0,
   "end_distance_m": 4819.0,
   "midpoint_distance_m": 4769.0,
   "start_elevation_m": 1365.9439037030334,
   "end_elevation_m": 1358.4018642062888,
   "start_xy": [
    2712100.9819606403,
    1140833.7246396313
   ],
   "end_xy": [
    2712170.4143302315,
    1140781.7030711332
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.628933925323054,
   "start_distance_m": 6208.0,
   "end_distance_m": 6210.0,
   "midpoint_distance_m": 6209.0,
   "start_elevation_m": 1465.319592932168,
   "end_elevation_m": 1466.1721716106745,
   "start_xy": [
    2712407.933225412,
    1140865.9142454644
   ],
   "end_xy": [
    2712406.874462756,
    1140867.6110134341
   ]
  },
  "max_3m": {
   "gradient_pct": 32.565766185621214,
   "start_distance_m": 1093.0,
   "end_distance_m": 1096.0,
   "midpoint_distance_m": 1094.5,
   "start_elevation_m": 1031.0942206257864,
   "end_elevation_m": 1032.071193611355,
   "start_xy": [
    2710723.7607284547,
    1141456.1339554822
   ],
   "end_xy": [
    2710722.13072935,
    1141458.652507083
   ]
  }
 },
 "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": 0.006,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.009,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 20.0,
     "start_m": 302.0,
     "end_m": 322.0,
     "raw_pct": 18.98,
     "reason": "spike+hump"
    },
    {
     "window_m": 10.0,
     "start_m": 302.0,
     "end_m": 312.0,
     "raw_pct": 29.18,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 303.0,
     "end_m": 308.0,
     "raw_pct": 44.42,
     "reason": "hump+short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    300.0,
    324.0
   ],
   [
    1162.0,
    1168.0
   ],
   [
    1302.0,
    1307.0
   ],
   [
    3820.0,
    3825.0
   ],
   [
    5120.0,
    5142.0
   ],
   [
    7093.0,
    7100.0
   ]
  ],
  "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_2710-1140_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2710-1141_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2711-1140_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2711-1141_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2712-1140_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2712-1141_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2713-1139_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2713-1140_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-12T01:28:36+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk02.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": [
   "2710-1140",
   "2710-1141",
   "2711-1140",
   "2711-1141",
   "2712-1140",
   "2712-1141",
   "2713-1139",
   "2713-1140"
  ],
  "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)"
 }
}