{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9198, 7.8699)",
 "slug": "discovered-lane-46-9198-7-8699",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.944546126316027,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 180.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 765.3694071090017,
   "end_elevation_m": 765.908298031528,
   "min_gradient_pct": -94.97627381736038,
   "suppressed_max_gradient_pct": 109.69077157190554,
   "suppressed_location_m": [
    11.0,
    13.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.497663531075432,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 180.0,
   "end_distance_m": 183.0,
   "start_elevation_m": 765.3694071090017,
   "end_elevation_m": 766.134337014934,
   "min_gradient_pct": -73.05210761195819,
   "suppressed_max_gradient_pct": 76.32730475993412,
   "suppressed_location_m": [
    10.0,
    13.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.154473928137122,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 177.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 764.6505743351212,
   "end_elevation_m": 765.908298031528,
   "min_gradient_pct": -43.95807458129184,
   "suppressed_max_gradient_pct": 47.25973525994959,
   "suppressed_location_m": [
    10.0,
    15.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.38956468198967,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 172.0,
   "end_distance_m": 182.0,
   "start_elevation_m": 763.4693415633291,
   "end_elevation_m": 765.908298031528,
   "min_gradient_pct": -21.82742292652506
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.218861867847522,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 166.0,
   "end_distance_m": 186.0,
   "start_elevation_m": 762.1642581121655,
   "end_elevation_m": 766.808030485735,
   "min_gradient_pct": 0.9600133282026491
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.083965728978,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 158.0,
   "end_distance_m": 183.0,
   "start_elevation_m": 760.3633455826895,
   "end_elevation_m": 766.134337014934,
   "min_gradient_pct": 1.4008133995544085
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.48185392857954,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 138.0,
   "end_distance_m": 188.0,
   "start_elevation_m": 756.4171780993906,
   "end_elevation_m": 767.1581050636804,
   "min_gradient_pct": 2.1484111475306236
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.041227577462678,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 116.0,
   "end_distance_m": 216.0,
   "start_elevation_m": 752.5521251858097,
   "end_elevation_m": 768.5933527632724,
   "min_gradient_pct": 2.6057582229934724
  }
 ],
 "shape": {
  "ascent_concentration": 0.574,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 82.0,
  "shape_class": "stepped"
 },
 "length_m": 237.00000000018875,
 "start_elevation_m": 749.4300906757794,
 "end_elevation_m": 768.8009913196253,
 "endpoint_gain_m": 19.370900643845857,
 "overall_gradient_pct": 8.17337579908457,
 "accumulated_ascent_m": 21.714652802058822,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.154473928137122,
   "start_distance_m": 177.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 179.5,
   "start_elevation_m": 764.6505743351212,
   "end_elevation_m": 765.908298031528,
   "start_xy": [
    2632628.517574897,
    1196223.7808153771
   ],
   "end_xy": [
    2632625.0232823277,
    1196227.357114643
   ]
  },
  "max_10m": {
   "gradient_pct": 24.38956468198967,
   "start_distance_m": 172.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 177.0,
   "start_elevation_m": 763.4693415633291,
   "end_elevation_m": 765.908298031528,
   "start_xy": [
    2632632.011367074,
    1196220.204027957
   ],
   "end_xy": [
    2632625.0232823277,
    1196227.357114643
   ]
  },
  "max_20m": {
   "gradient_pct": 23.218861867847522,
   "start_distance_m": 166.0,
   "end_distance_m": 186.0,
   "midpoint_distance_m": 176.0,
   "start_elevation_m": 762.1642581121655,
   "end_elevation_m": 766.808030485735,
   "start_xy": [
    2632636.2042204216,
    1196215.9121779664
   ],
   "end_xy": [
    2632622.2281256034,
    1196230.2184249898
   ]
  },
  "max_25m": {
   "gradient_pct": 23.083965728978,
   "start_distance_m": 158.0,
   "end_distance_m": 183.0,
   "midpoint_distance_m": 170.5,
   "start_elevation_m": 760.3633455826895,
   "end_elevation_m": 766.134337014934,
   "start_xy": [
    2632642.4289547917,
    1196211.0485738001
   ],
   "end_xy": [
    2632624.324296409,
    1196228.0722500307
   ]
  },
  "max_50m": {
   "gradient_pct": 21.48185392857954,
   "start_distance_m": 138.0,
   "end_distance_m": 188.0,
   "midpoint_distance_m": 163.0,
   "start_elevation_m": 756.4171780993906,
   "end_elevation_m": 767.1581050636804,
   "start_xy": [
    2632660.6567605175,
    1196202.91675834
   ],
   "end_xy": [
    2632620.8304289803,
    1196231.6489646337
   ]
  },
  "max_100m": {
   "gradient_pct": 16.041227577462678,
   "start_distance_m": 116.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 166.0,
   "start_elevation_m": 752.5521251858097,
   "end_elevation_m": 768.5933527632724,
   "start_xy": [
    2632681.7289353763,
    1196196.5951008473
   ],
   "end_xy": [
    2632636.2347895065,
    1196250.09206032
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -43.95807458129184,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 749.4300906757794,
   "end_elevation_m": 747.2321869467148,
   "start_xy": [
    2632666.844,
    1196087.689
   ],
   "end_xy": [
    2632667.2339818664,
    1196092.6737682137
   ]
  },
  "min_10m": {
   "gradient_pct": -21.82742292652506,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 749.4300906757794,
   "end_elevation_m": 747.2473483831269,
   "start_xy": [
    2632666.844,
    1196087.689
   ],
   "end_xy": [
    2632667.6239637323,
    1196097.6585364274
   ]
  },
  "min_20m": {
   "gradient_pct": 0.9600133282026491,
   "start_distance_m": 216.0,
   "end_distance_m": 236.0,
   "midpoint_distance_m": 226.0,
   "start_elevation_m": 768.5933527632724,
   "end_elevation_m": 768.7853554289129,
   "start_xy": [
    2632636.2347895065,
    1196250.09206032
   ],
   "end_xy": [
    2632649.725843109,
    1196264.8565920736
   ]
  },
  "min_25m": {
   "gradient_pct": 1.4008133995544085,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 749.4300906757794,
   "end_elevation_m": 749.780294025668,
   "start_xy": [
    2632666.844,
    1196087.689
   ],
   "end_xy": [
    2632668.579995084,
    1196112.6269055565
   ]
  },
  "min_50m": {
   "gradient_pct": 2.1484111475306236,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 749.4300906757794,
   "end_elevation_m": 750.5042962495447,
   "start_xy": [
    2632666.844,
    1196087.689
   ],
   "end_xy": [
    2632669.8920234423,
    1196137.5924503673
   ]
  },
  "min_100m": {
   "gradient_pct": 2.6057582229934724,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 749.4300906757794,
   "end_elevation_m": 752.0358488987729,
   "start_xy": [
    2632666.844,
    1196087.689
   ],
   "end_xy": [
    2632681.22759793,
    1196185.7323750681
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.944546126316027,
   "start_distance_m": 180.0,
   "end_distance_m": 182.0,
   "midpoint_distance_m": 181.0,
   "start_elevation_m": 765.3694071090017,
   "end_elevation_m": 765.908298031528,
   "start_xy": [
    2632626.4209790556,
    1196225.9265751017
   ],
   "end_xy": [
    2632625.0232823277,
    1196227.357114643
   ]
  },
  "max_3m": {
   "gradient_pct": 25.497663531075432,
   "start_distance_m": 180.0,
   "end_distance_m": 183.0,
   "midpoint_distance_m": 181.5,
   "start_elevation_m": 765.3694071090017,
   "end_elevation_m": 766.134337014934,
   "start_xy": [
    2632626.4209790556,
    1196225.9265751017
   ],
   "end_xy": [
    2632624.324296409,
    1196228.0722500307
   ]
  }
 },
 "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": 0.055,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    5.0
   ],
   [
    9.0,
    15.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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_2632-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2632-1197_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2633-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2633-1197_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T04:06:14+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260914",
  "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": [
   "2632-1196",
   "2632-1197",
   "2633-1196",
   "2633-1197"
  ],
  "route_cut_m": 237.0,
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Escholzmatt-Marbach",
  "county": "Luzern",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}