{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7564, 7.3308)",
 "slug": "discovered-lane-46-7564-7-3308",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.673385255417315,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1553.0,
   "end_distance_m": 1555.0,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 970.6617480132559,
   "min_gradient_pct": -3.2801516004951736,
   "suppressed_max_gradient_pct": 111.9686611856821,
   "suppressed_location_m": [
    0.0,
    2.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.863754402676477,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1553.0,
   "end_distance_m": 1556.0,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 970.9441929402278,
   "min_gradient_pct": -2.96129129703786,
   "suppressed_max_gradient_pct": 77.13040443948103,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.232842382516083,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1553.0,
   "end_distance_m": 1558.0,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 971.4699224272733,
   "min_gradient_pct": -2.0039109376375563,
   "suppressed_max_gradient_pct": 46.39338193426056,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.087912172469032,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1548.0,
   "end_distance_m": 1558.0,
   "start_elevation_m": 968.8611312100264,
   "end_elevation_m": 971.4699224272733,
   "min_gradient_pct": -0.03776563497126517
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.27633446819607,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1553.0,
   "end_distance_m": 1573.0,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 975.1635472017867,
   "min_gradient_pct": 0.6364481408513711
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.225593605137874,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1547.0,
   "end_distance_m": 1572.0,
   "start_elevation_m": 968.611128609569,
   "end_elevation_m": 974.9175270108535,
   "min_gradient_pct": 0.7490027440335325
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.368075024080326,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1524.0,
   "end_distance_m": 1574.0,
   "start_elevation_m": 963.2225498825792,
   "end_elevation_m": 975.4065873946194,
   "min_gradient_pct": 1.0140779858695623
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.172972618620406,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1690.0,
   "end_distance_m": 1790.0,
   "start_elevation_m": 995.0235933881141,
   "end_elevation_m": 1017.1965660067345,
   "min_gradient_pct": 1.3243297389260533
  }
 ],
 "shape": {
  "ascent_concentration": 0.379,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 433.0,
  "shape_class": "sustained"
 },
 "length_m": 2782.846102789366,
 "start_elevation_m": 827.5668731689386,
 "end_elevation_m": 1118.527687938473,
 "endpoint_gain_m": 290.9608147695344,
 "overall_gradient_pct": 10.455512235401445,
 "accumulated_ascent_m": 291.4178958520183,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.232842382516083,
   "start_distance_m": 1553.0,
   "end_distance_m": 1558.0,
   "midpoint_distance_m": 1555.5,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 971.4699224272733,
   "start_xy": [
    2591588.759863487,
    1178658.6634608142
   ],
   "end_xy": [
    2591589.21432375,
    1178663.6427645676
   ]
  },
  "max_10m": {
   "gradient_pct": 26.087912172469032,
   "start_distance_m": 1548.0,
   "end_distance_m": 1558.0,
   "midpoint_distance_m": 1553.0,
   "start_elevation_m": 968.8611312100264,
   "end_elevation_m": 971.4699224272733,
   "start_xy": [
    2591588.3054032237,
    1178653.6841570607
   ],
   "end_xy": [
    2591589.21432375,
    1178663.6427645676
   ]
  },
  "max_20m": {
   "gradient_pct": 25.27633446819607,
   "start_distance_m": 1553.0,
   "end_distance_m": 1573.0,
   "midpoint_distance_m": 1563.0,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 975.1635472017867,
   "start_xy": [
    2591588.759863487,
    1178658.6634608142
   ],
   "end_xy": [
    2591586.283019893,
    1178678.3355491112
   ]
  },
  "max_25m": {
   "gradient_pct": 25.225593605137874,
   "start_distance_m": 1547.0,
   "end_distance_m": 1572.0,
   "midpoint_distance_m": 1559.5,
   "start_elevation_m": 968.611128609569,
   "end_elevation_m": 974.9175270108535,
   "start_xy": [
    2591588.214511171,
    1178652.68829631
   ],
   "end_xy": [
    2591586.534121849,
    1178677.371134292
   ]
  },
  "max_50m": {
   "gradient_pct": 24.368075024080326,
   "start_distance_m": 1524.0,
   "end_distance_m": 1574.0,
   "midpoint_distance_m": 1549.0,
   "start_elevation_m": 963.2225498825792,
   "end_elevation_m": 975.4065873946194,
   "start_xy": [
    2591582.7936241156,
    1178630.380289277
   ],
   "end_xy": [
    2591585.913953457,
    1178679.2649521274
   ]
  },
  "max_100m": {
   "gradient_pct": 22.172972618620406,
   "start_distance_m": 1690.0,
   "end_distance_m": 1790.0,
   "midpoint_distance_m": 1740.0,
   "start_elevation_m": 995.0235933881141,
   "end_elevation_m": 1017.1965660067345,
   "start_xy": [
    2591576.189528414,
    1178774.9894746423
   ],
   "end_xy": [
    2591609.592267717,
    1178869.2235994108
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.0039109376375563,
   "start_distance_m": 737.0,
   "end_distance_m": 742.0,
   "midpoint_distance_m": 739.5,
   "start_elevation_m": 861.3893720033307,
   "end_elevation_m": 861.2891764564488,
   "start_xy": [
    2591789.6405291376,
    1178319.5770536445
   ],
   "end_xy": [
    2591784.947221794,
    1178321.3012538017
   ]
  },
  "min_10m": {
   "gradient_pct": -0.03776563497126517,
   "start_distance_m": 733.0,
   "end_distance_m": 743.0,
   "midpoint_distance_m": 738.0,
   "start_elevation_m": 861.2621954607766,
   "end_elevation_m": 861.2584188972795,
   "start_xy": [
    2591785.882961662,
    1178319.3191717044
   ],
   "end_xy": [
    2591784.0085603255,
    1178321.6460938333
   ]
  },
  "min_20m": {
   "gradient_pct": 0.6364481408513711,
   "start_distance_m": 343.0,
   "end_distance_m": 363.0,
   "midpoint_distance_m": 353.0,
   "start_elevation_m": 841.7706749315994,
   "end_elevation_m": 841.8979645597697,
   "start_xy": [
    2591416.590503468,
    1178324.4349117973
   ],
   "end_xy": [
    2591436.5072313566,
    1178326.2533124047
   ]
  },
  "min_25m": {
   "gradient_pct": 0.7490027440335325,
   "start_distance_m": 345.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 357.5,
   "start_elevation_m": 841.7906912015285,
   "end_elevation_m": 841.9779418875369,
   "start_xy": [
    2591418.581240654,
    1178324.627175826
   ],
   "end_xy": [
    2591443.4860460334,
    1178326.7912453709
   ]
  },
  "min_50m": {
   "gradient_pct": 1.0140779858695623,
   "start_distance_m": 320.0,
   "end_distance_m": 370.0,
   "midpoint_distance_m": 345.0,
   "start_elevation_m": 841.4709028946021,
   "end_elevation_m": 841.9779418875369,
   "start_xy": [
    2591393.8089148486,
    1178321.2730143708
   ],
   "end_xy": [
    2591443.4860460334,
    1178326.7912453709
   ]
  },
  "min_100m": {
   "gradient_pct": 1.3243297389260533,
   "start_distance_m": 309.0,
   "end_distance_m": 409.0,
   "midpoint_distance_m": 359.0,
   "start_elevation_m": 841.3277274812042,
   "end_elevation_m": 842.6520572201302,
   "start_xy": [
    2591382.839715514,
    1178320.599903107
   ],
   "end_xy": [
    2591482.417257764,
    1178327.4274275426
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.673385255417315,
   "start_distance_m": 1553.0,
   "end_distance_m": 1555.0,
   "midpoint_distance_m": 1554.0,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 970.6617480132559,
   "start_xy": [
    2591588.759863487,
    1178658.6634608142
   ],
   "end_xy": [
    2591588.9416475925,
    1178660.6551823155
   ]
  },
  "max_3m": {
   "gradient_pct": 27.863754402676477,
   "start_distance_m": 1553.0,
   "end_distance_m": 1556.0,
   "midpoint_distance_m": 1554.5,
   "start_elevation_m": 970.1082803081475,
   "end_elevation_m": 970.9441929402278,
   "start_xy": [
    2591588.759863487,
    1178658.6634608142
   ],
   "end_xy": [
    2591589.0325396447,
    1178661.6510430663
   ]
  }
 },
 "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": 0.002,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    4.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_2025_2591-1178_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2591-1179_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:08:36+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": [
   "2591-1178",
   "2591-1179"
  ],
  "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": "Guggisberg",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}