{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7758, 8.3386)",
 "slug": "discovered-lane-46-7758-8-3386",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 20.669571969040135,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1504.0,
   "end_distance_m": 1506.0,
   "start_elevation_m": 1837.7517912968924,
   "end_elevation_m": 1838.1651827362732,
   "min_gradient_pct": -1.5793756806942838
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.367424068316115,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1505.0,
   "end_distance_m": 1508.0,
   "start_elevation_m": 1837.9596643304671,
   "end_elevation_m": 1838.5706870525166,
   "min_gradient_pct": -0.4759822861236292
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.99185697197845,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1503.0,
   "end_distance_m": 1508.0,
   "start_elevation_m": 1837.5710942039177,
   "end_elevation_m": 1838.5706870525166,
   "min_gradient_pct": 0.020309230640123133
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 18.777209238387513,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1503.0,
   "end_distance_m": 1513.0,
   "start_elevation_m": 1837.5710942039177,
   "end_elevation_m": 1839.4488151277565,
   "min_gradient_pct": 1.714898070893014
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.358527978455413,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1500.0,
   "end_distance_m": 1520.0,
   "start_elevation_m": 1837.3463064022853,
   "end_elevation_m": 1840.2180119979764,
   "min_gradient_pct": 2.5257406994580833
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 13.673391925503893,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1056.0,
   "end_distance_m": 1081.0,
   "start_elevation_m": 1788.6200864931786,
   "end_elevation_m": 1792.0384344745546,
   "min_gradient_pct": 2.5637398835979184
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.709891879064344,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1045.0,
   "end_distance_m": 1095.0,
   "start_elevation_m": 1787.335768807803,
   "end_elevation_m": 1793.6907147473353,
   "min_gradient_pct": 2.83734085354763
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.332732000009855,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 807.0,
   "end_distance_m": 907.0,
   "start_elevation_m": 1759.4638098747614,
   "end_elevation_m": 1771.7965418747713,
   "min_gradient_pct": 6.342874399619632
  }
 ],
 "shape": {
  "ascent_concentration": 0.293,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 353.0,
  "shape_class": "sustained"
 },
 "length_m": 1579.334865184521,
 "start_elevation_m": 1679.5107217558707,
 "end_elevation_m": 1841.88624623047,
 "endpoint_gain_m": 162.3755244745994,
 "overall_gradient_pct": 10.281260045229756,
 "accumulated_ascent_m": 162.62602451343082,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.99185697197845,
   "start_distance_m": 1503.0,
   "end_distance_m": 1508.0,
   "midpoint_distance_m": 1505.5,
   "start_elevation_m": 1837.5710942039177,
   "end_elevation_m": 1838.5706870525166,
   "start_xy": [
    2669206.0936122844,
    1180844.6962705085
   ],
   "end_xy": [
    2669210.400355821,
    1180847.2363413952
   ]
  },
  "max_10m": {
   "gradient_pct": 18.777209238387513,
   "start_distance_m": 1503.0,
   "end_distance_m": 1513.0,
   "midpoint_distance_m": 1508.0,
   "start_elevation_m": 1837.5710942039177,
   "end_elevation_m": 1839.4488151277565,
   "start_xy": [
    2669206.0936122844,
    1180844.6962705085
   ],
   "end_xy": [
    2669213.889911726,
    1180850.744230592
   ]
  },
  "max_20m": {
   "gradient_pct": 14.358527978455413,
   "start_distance_m": 1500.0,
   "end_distance_m": 1520.0,
   "midpoint_distance_m": 1510.0,
   "start_elevation_m": 1837.3463064022853,
   "end_elevation_m": 1840.2180119979764,
   "start_xy": [
    2669203.704090033,
    1180844.1384631288
   ],
   "end_xy": [
    2669218.406135779,
    1180856.0924751924
   ]
  },
  "max_25m": {
   "gradient_pct": 13.673391925503893,
   "start_distance_m": 1056.0,
   "end_distance_m": 1081.0,
   "midpoint_distance_m": 1068.5,
   "start_elevation_m": 1788.6200864931786,
   "end_elevation_m": 1792.0384344745546,
   "start_xy": [
    2668816.89025063,
    1180930.2843257652
   ],
   "end_xy": [
    2668830.118928865,
    1180950.5828982377
   ]
  },
  "max_50m": {
   "gradient_pct": 12.709891879064344,
   "start_distance_m": 1045.0,
   "end_distance_m": 1095.0,
   "midpoint_distance_m": 1070.0,
   "start_elevation_m": 1787.335768807803,
   "end_elevation_m": 1793.6907147473353,
   "start_xy": [
    2668814.6601428576,
    1180919.5360024285
   ],
   "end_xy": [
    2668843.133160497,
    1180955.487247072
   ]
  },
  "max_100m": {
   "gradient_pct": 12.332732000009855,
   "start_distance_m": 807.0,
   "end_distance_m": 907.0,
   "midpoint_distance_m": 857.0,
   "start_elevation_m": 1759.4638098747614,
   "end_elevation_m": 1771.7965418747713,
   "start_xy": [
    2668621.5165245747,
    1180888.063178072
   ],
   "end_xy": [
    2668720.266942978,
    1180902.9532255444
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.020309230640123133,
   "start_distance_m": 1524.0,
   "end_distance_m": 1529.0,
   "midpoint_distance_m": 1526.5,
   "start_elevation_m": 1840.3440178212318,
   "end_elevation_m": 1840.3450332827638,
   "start_xy": [
    2669220.9868352376,
    1180859.148614964
   ],
   "end_xy": [
    2669225.6086809873,
    1180858.1461687658
   ]
  },
  "min_10m": {
   "gradient_pct": 1.714898070893014,
   "start_distance_m": 1520.0,
   "end_distance_m": 1530.0,
   "midpoint_distance_m": 1525.0,
   "start_elevation_m": 1840.2180119979764,
   "end_elevation_m": 1840.3895018050657,
   "start_xy": [
    2669218.406135779,
    1180856.0924751924
   ],
   "end_xy": [
    2669226.562221219,
    1180857.8449030584
   ]
  },
  "min_20m": {
   "gradient_pct": 2.5257406994580833,
   "start_distance_m": 1546.0,
   "end_distance_m": 1566.0,
   "midpoint_distance_m": 1556.0,
   "start_elevation_m": 1840.9964162405986,
   "end_elevation_m": 1841.5015643804902,
   "start_xy": [
    2669241.8188649267,
    1180853.0246517402
   ],
   "end_xy": [
    2669260.8896695618,
    1180846.9993375926
   ]
  },
  "min_25m": {
   "gradient_pct": 2.5637398835979184,
   "start_distance_m": 1543.0,
   "end_distance_m": 1568.0,
   "midpoint_distance_m": 1555.5,
   "start_elevation_m": 1840.9158656364734,
   "end_elevation_m": 1841.556800607373,
   "start_xy": [
    2669238.9582442315,
    1180853.9284488624
   ],
   "end_xy": [
    2669262.7967500254,
    1180846.396806178
   ]
  },
  "min_50m": {
   "gradient_pct": 2.83734085354763,
   "start_distance_m": 1520.0,
   "end_distance_m": 1570.0,
   "midpoint_distance_m": 1545.0,
   "start_elevation_m": 1840.2180119979764,
   "end_elevation_m": 1841.6366824247502,
   "start_xy": [
    2669218.406135779,
    1180856.0924751924
   ],
   "end_xy": [
    2669264.7038304885,
    1180845.7942747632
   ]
  },
  "min_100m": {
   "gradient_pct": 6.342874399619632,
   "start_distance_m": 1479.0,
   "end_distance_m": 1579.0,
   "midpoint_distance_m": 1529.0,
   "start_elevation_m": 1835.5276766357233,
   "end_elevation_m": 1841.870551035343,
   "start_xy": [
    2669191.1531030424,
    1180860.9751114163
   ],
   "end_xy": [
    2669273.2856925745,
    1180843.082883397
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 20.669571969040135,
   "start_distance_m": 1504.0,
   "end_distance_m": 1506.0,
   "midpoint_distance_m": 1505.0,
   "start_elevation_m": 1837.7517912968924,
   "end_elevation_m": 1838.1651827362732,
   "start_xy": [
    2669206.954960992,
    1180845.2042846857
   ],
   "end_xy": [
    2669208.6776584066,
    1180846.2203130405
   ]
  },
  "max_3m": {
   "gradient_pct": 20.367424068316115,
   "start_distance_m": 1505.0,
   "end_distance_m": 1508.0,
   "midpoint_distance_m": 1506.5,
   "start_elevation_m": 1837.9596643304671,
   "end_elevation_m": 1838.5706870525166,
   "start_xy": [
    2669207.8163096993,
    1180845.712298863
   ],
   "end_xy": [
    2669210.400355821,
    1180847.2363413952
   ]
  }
 },
 "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": {
  "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_2668-1180_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2669-1180_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:44:34+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": [
   "2668-1180",
   "2669-1180"
  ],
  "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": "Innertkirchen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}