{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.0797, 9.0198)",
 "slug": "discovered-lane-46-0797-9-0198",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 46.12971620769031,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1539.0,
   "end_distance_m": 1541.0,
   "start_elevation_m": 800.1393438239138,
   "end_elevation_m": 801.0619381480676,
   "min_gradient_pct": -88.05115540946531,
   "suppressed_max_gradient_pct": 169.1917958054944,
   "suppressed_location_m": [
    548.0,
    550.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 42.349880723835064,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1538.0,
   "end_distance_m": 1541.0,
   "start_elevation_m": 799.7914417263526,
   "end_elevation_m": 801.0619381480676,
   "min_gradient_pct": -78.85833224344954,
   "suppressed_max_gradient_pct": 153.984924959146,
   "suppressed_location_m": [
    548.0,
    551.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 40.631063383052606,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1536.0,
   "end_distance_m": 1541.0,
   "start_elevation_m": 799.030384978915,
   "end_elevation_m": 801.0619381480676,
   "min_gradient_pct": -73.27336664079212,
   "suppressed_max_gradient_pct": 106.65706021928145,
   "suppressed_location_m": [
    547.0,
    552.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 38.0101189910215,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1532.0,
   "end_distance_m": 1542.0,
   "start_elevation_m": 797.5811051557589,
   "end_elevation_m": 801.382117054861,
   "min_gradient_pct": -45.2770844099075,
   "suppressed_max_gradient_pct": 56.33819372495964,
   "suppressed_location_m": [
    545.0,
    555.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 37.04679962118689,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1532.0,
   "end_distance_m": 1552.0,
   "start_elevation_m": 797.5811051557589,
   "end_elevation_m": 804.9904650799963,
   "min_gradient_pct": -19.669760839305468
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 36.05340821623395,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1527.0,
   "end_distance_m": 1552.0,
   "start_elevation_m": 795.9771130259378,
   "end_elevation_m": 804.9904650799963,
   "min_gradient_pct": -14.336345856233493,
   "lateral_min_pct": 35.47,
   "lateral_max_pct": 37.53
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 34.08421795733511,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1519.0,
   "end_distance_m": 1569.0,
   "start_elevation_m": 793.575203534339,
   "end_elevation_m": 810.6173125130066,
   "min_gradient_pct": -4.157581923338057
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 31.957690590992,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1492.0,
   "end_distance_m": 1592.0,
   "start_elevation_m": 785.8093568986297,
   "end_elevation_m": 817.7670474896217,
   "min_gradient_pct": 0.8932382298480661
  }
 ],
 "shape": {
  "ascent_concentration": 0.467,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 401.0,
  "shape_class": "stepped"
 },
 "length_m": 1756.4972764262095,
 "start_elevation_m": 615.2617256323239,
 "end_elevation_m": 850.1325988159136,
 "endpoint_gain_m": 234.87087318358977,
 "overall_gradient_pct": 13.371547814834127,
 "accumulated_ascent_m": 244.10133763600504,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 40.631063383052606,
   "start_distance_m": 1536.0,
   "end_distance_m": 1541.0,
   "midpoint_distance_m": 1538.5,
   "start_elevation_m": 799.030384978915,
   "end_elevation_m": 801.0619381480676,
   "start_xy": [
    2722361.6503295605,
    1104714.8776502914
   ],
   "end_xy": [
    2722359.490129682,
    1104719.3869225702
   ]
  },
  "max_10m": {
   "gradient_pct": 38.0101189910215,
   "start_distance_m": 1532.0,
   "end_distance_m": 1542.0,
   "midpoint_distance_m": 1537.0,
   "start_elevation_m": 797.5811051557589,
   "end_elevation_m": 801.382117054861,
   "start_xy": [
    2722363.3784894636,
    1104711.2702324686
   ],
   "end_xy": [
    2722359.058089706,
    1104720.288777026
   ]
  },
  "max_20m": {
   "gradient_pct": 37.04679962118689,
   "start_distance_m": 1532.0,
   "end_distance_m": 1552.0,
   "midpoint_distance_m": 1542.0,
   "start_elevation_m": 797.5811051557589,
   "end_elevation_m": 804.9904650799963,
   "start_xy": [
    2722363.3784894636,
    1104711.2702324686
   ],
   "end_xy": [
    2722354.7493173555,
    1104729.3128705425
   ]
  },
  "max_25m": {
   "gradient_pct": 36.05340821623395,
   "start_distance_m": 1527.0,
   "end_distance_m": 1552.0,
   "midpoint_distance_m": 1539.5,
   "start_elevation_m": 795.9771130259378,
   "end_elevation_m": 804.9904650799963,
   "start_xy": [
    2722365.5386893423,
    1104706.7609601899
   ],
   "end_xy": [
    2722354.7493173555,
    1104729.3128705425
   ]
  },
  "max_50m": {
   "gradient_pct": 34.08421795733511,
   "start_distance_m": 1519.0,
   "end_distance_m": 1569.0,
   "midpoint_distance_m": 1544.0,
   "start_elevation_m": 793.575203534339,
   "end_elevation_m": 810.6173125130066,
   "start_xy": [
    2722371.689718969,
    1104701.7175651037
   ],
   "end_xy": [
    2722347.0807990646,
    1104744.476882922
   ]
  },
  "max_100m": {
   "gradient_pct": 31.957690590992,
   "start_distance_m": 1492.0,
   "end_distance_m": 1592.0,
   "midpoint_distance_m": 1542.0,
   "start_elevation_m": 785.8093568986297,
   "end_elevation_m": 817.7670474896217,
   "start_xy": [
    2722365.171401386,
    1104680.2252866812
   ],
   "end_xy": [
    2722338.459231781,
    1104765.6612158818
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -73.27336664079212,
   "start_distance_m": 538.0,
   "end_distance_m": 543.0,
   "midpoint_distance_m": 540.5,
   "start_elevation_m": 644.6341620267784,
   "end_elevation_m": 640.9704936947388,
   "start_xy": [
    2722187.845956124,
    1104397.7295067948
   ],
   "end_xy": [
    2722192.3559169257,
    1104395.5782201348
   ]
  },
  "min_10m": {
   "gradient_pct": -45.2770844099075,
   "start_distance_m": 535.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 540.0,
   "start_elevation_m": 645.1277508694845,
   "end_elevation_m": 640.6000424284938,
   "start_xy": [
    2722185.089904838,
    1104398.9144883591
   ],
   "end_xy": [
    2722194.131635909,
    1104394.6579907658
   ]
  },
  "min_20m": {
   "gradient_pct": -19.669760839305468,
   "start_distance_m": 525.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 535.0,
   "start_elevation_m": 644.5339945963549,
   "end_elevation_m": 640.6000424284938,
   "start_xy": [
    2722175.507784451,
    1104401.7289457365
   ],
   "end_xy": [
    2722194.131635909,
    1104394.6579907658
   ]
  },
  "min_25m": {
   "gradient_pct": -14.336345856233493,
   "start_distance_m": 520.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 532.5,
   "start_elevation_m": 644.1841288925522,
   "end_elevation_m": 640.6000424284938,
   "start_xy": [
    2722170.539635252,
    1104402.261252595
   ],
   "end_xy": [
    2722194.131635909,
    1104394.6579907658
   ]
  },
  "min_50m": {
   "gradient_pct": -4.157581923338057,
   "start_distance_m": 495.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 520.0,
   "start_elevation_m": 642.6788333901628,
   "end_elevation_m": 640.6000424284938,
   "start_xy": [
    2722146.9124382823,
    1104395.2154023407
   ],
   "end_xy": [
    2722194.131635909,
    1104394.6579907658
   ]
  },
  "min_100m": {
   "gradient_pct": 0.8932382298480661,
   "start_distance_m": 445.0,
   "end_distance_m": 545.0,
   "midpoint_distance_m": 495.0,
   "start_elevation_m": 639.7068041986457,
   "end_elevation_m": 640.6000424284938,
   "start_xy": [
    2722102.3351404066,
    1104372.5780745575
   ],
   "end_xy": [
    2722194.131635909,
    1104394.6579907658
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 46.12971620769031,
   "start_distance_m": 1539.0,
   "end_distance_m": 1541.0,
   "midpoint_distance_m": 1540.0,
   "start_elevation_m": 800.1393438239138,
   "end_elevation_m": 801.0619381480676,
   "start_xy": [
    2722360.3542096335,
    1104717.5832136588
   ],
   "end_xy": [
    2722359.490129682,
    1104719.3869225702
   ]
  },
  "max_3m": {
   "gradient_pct": 42.349880723835064,
   "start_distance_m": 1538.0,
   "end_distance_m": 1541.0,
   "midpoint_distance_m": 1539.5,
   "start_elevation_m": 799.7914417263526,
   "end_elevation_m": 801.0619381480676,
   "start_xy": [
    2722360.786249609,
    1104716.681359203
   ],
   "end_xy": [
    2722359.490129682,
    1104719.3869225702
   ]
  }
 },
 "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": 0.024,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    532.0,
    556.0
   ],
   [
    963.0,
    970.0
   ],
   [
    1039.0,
    1048.0
   ]
  ],
  "review": [],
  "extent": [],
  "lateral_stability": {
   "offsets_m": [
    -1.0,
    -0.5,
    0.0,
    0.5,
    1.0
   ],
   "windows": [
    {
     "window_m": 25,
     "min_pct": 35.47,
     "max_pct": 37.53
    },
    {
     "window_m": 10,
     "min_pct": 54.17,
     "max_pct": 58.8
    },
    {
     "window_m": 5,
     "min_pct": 103.23,
     "max_pct": 106.55
    }
   ]
  }
 },
 "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_2721-1104_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2722-1104_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:28:39+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-run7-260911",
  "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": [
   "2721-1104",
   "2722-1104"
  ],
  "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": "Capriasca",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}