{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.5446, 7.4015)",
 "slug": "discovered-lane-46-5446-7-4015",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 44.28698909820241,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 520.0,
   "end_distance_m": 522.0,
   "start_elevation_m": 1087.5116055247634,
   "end_elevation_m": 1088.3973453067274,
   "min_gradient_pct": -256.2013101079742,
   "suppressed_max_gradient_pct": 359.12074158312635,
   "suppressed_location_m": [
    2740.0,
    2742.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 42.622961349654055,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 520.0,
   "end_distance_m": 523.0,
   "start_elevation_m": 1087.5116055247634,
   "end_elevation_m": 1088.790294365253,
   "min_gradient_pct": -201.23373141106336,
   "suppressed_max_gradient_pct": 280.16692289484126,
   "suppressed_location_m": [
    2739.0,
    2742.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.923020937278125,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 518.0,
   "end_distance_m": 523.0,
   "start_elevation_m": 1087.144143318389,
   "end_elevation_m": 1088.790294365253,
   "min_gradient_pct": -134.35487600219403,
   "suppressed_max_gradient_pct": 174.36810627209525,
   "suppressed_location_m": [
    2737.0,
    2742.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.49074521300099,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 513.0,
   "end_distance_m": 523.0,
   "start_elevation_m": 1085.7412198439529,
   "end_elevation_m": 1088.790294365253,
   "min_gradient_pct": -77.36732129947768,
   "suppressed_max_gradient_pct": 92.13261629651697,
   "suppressed_location_m": [
    2737.0,
    2747.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 29.889289257711198,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5691.0,
   "end_distance_m": 5711.0,
   "start_elevation_m": 1688.202465514936,
   "end_elevation_m": 1694.1803233664782,
   "min_gradient_pct": -36.73202962412802,
   "suppressed_max_gradient_pct": 51.136009588352636,
   "suppressed_location_m": [
    2737.0,
    2757.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 29.627604167826576,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5686.0,
   "end_distance_m": 5711.0,
   "start_elevation_m": 1686.7734223245216,
   "end_elevation_m": 1694.1803233664782,
   "min_gradient_pct": -27.399571916464993,
   "suppressed_max_gradient_pct": 43.16035231746537,
   "suppressed_location_m": [
    2737.0,
    2762.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 29.12307047239983,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5686.0,
   "end_distance_m": 5736.0,
   "start_elevation_m": 1686.7734223245216,
   "end_elevation_m": 1701.3349575607215,
   "min_gradient_pct": -8.406205180956931
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 26.060794789524607,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5679.0,
   "end_distance_m": 5779.0,
   "start_elevation_m": 1685.159050825178,
   "end_elevation_m": 1711.2198456147025,
   "min_gradient_pct": -7.668990208881951
  }
 ],
 "shape": {
  "ascent_concentration": 0.29,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 456.0,
  "shape_class": "sustained"
 },
 "length_m": 6233.416078230427,
 "start_elevation_m": 1002.1187612343723,
 "end_elevation_m": 1742.245447226562,
 "endpoint_gain_m": 740.1266859921897,
 "overall_gradient_pct": 11.873532533421072,
 "accumulated_ascent_m": 781.2947206587068,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.923020937278125,
   "start_distance_m": 518.0,
   "end_distance_m": 523.0,
   "midpoint_distance_m": 520.5,
   "start_elevation_m": 1087.144143318389,
   "end_elevation_m": 1088.790294365253,
   "start_xy": [
    2596883.121762358,
    1154759.5619259742
   ],
   "end_xy": [
    2596887.4658028875,
    1154762.0376706866
   ]
  },
  "max_10m": {
   "gradient_pct": 30.49074521300099,
   "start_distance_m": 513.0,
   "end_distance_m": 523.0,
   "midpoint_distance_m": 518.0,
   "start_elevation_m": 1085.7412198439529,
   "end_elevation_m": 1088.790294365253,
   "start_xy": [
    2596878.777721829,
    1154757.0861812618
   ],
   "end_xy": [
    2596887.4658028875,
    1154762.0376706866
   ]
  },
  "max_20m": {
   "gradient_pct": 29.889289257711198,
   "start_distance_m": 5691.0,
   "end_distance_m": 5711.0,
   "midpoint_distance_m": 5701.0,
   "start_elevation_m": 1688.202465514936,
   "end_elevation_m": 1694.1803233664782,
   "start_xy": [
    2597942.190991305,
    1153389.1914645992
   ],
   "end_xy": [
    2597956.9332498433,
    1153375.7418946289
   ]
  },
  "max_25m": {
   "gradient_pct": 29.627604167826576,
   "start_distance_m": 5686.0,
   "end_distance_m": 5711.0,
   "midpoint_distance_m": 5698.5,
   "start_elevation_m": 1686.7734223245216,
   "end_elevation_m": 1694.1803233664782,
   "start_xy": [
    2597939.201546151,
    1153393.199359018
   ],
   "end_xy": [
    2597956.9332498433,
    1153375.7418946289
   ]
  },
  "max_50m": {
   "gradient_pct": 29.12307047239983,
   "start_distance_m": 5686.0,
   "end_distance_m": 5736.0,
   "midpoint_distance_m": 5711.0,
   "start_elevation_m": 1686.7734223245216,
   "end_elevation_m": 1701.3349575607215,
   "start_xy": [
    2597939.201546151,
    1153393.199359018
   ],
   "end_xy": [
    2597977.255432994,
    1153361.3621216274
   ]
  },
  "max_100m": {
   "gradient_pct": 26.060794789524607,
   "start_distance_m": 5679.0,
   "end_distance_m": 5779.0,
   "midpoint_distance_m": 5729.0,
   "start_elevation_m": 1685.159050825178,
   "end_elevation_m": 1711.2198456147025,
   "start_xy": [
    2597935.1992719965,
    1153398.9337583028
   ],
   "end_xy": [
    2598018.0621716185,
    1153348.4423290326
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -134.35487600219403,
   "start_distance_m": 1786.0,
   "end_distance_m": 1791.0,
   "midpoint_distance_m": 1788.5,
   "start_elevation_m": 1245.8434245110536,
   "end_elevation_m": 1239.125680710944,
   "start_xy": [
    2597629.3749420084,
    1155091.2233921655
   ],
   "end_xy": [
    2597631.4796590186,
    1155095.758467567
   ]
  },
  "min_10m": {
   "gradient_pct": -77.36732129947768,
   "start_distance_m": 2726.0,
   "end_distance_m": 2736.0,
   "midpoint_distance_m": 2731.0,
   "start_elevation_m": 1350.696614585434,
   "end_elevation_m": 1342.9598824554862,
   "start_xy": [
    2597833.9742158563,
    1155017.9007482808
   ],
   "end_xy": [
    2597832.6980084884,
    1155007.994889733
   ]
  },
  "min_20m": {
   "gradient_pct": -36.73202962412802,
   "start_distance_m": 2717.0,
   "end_distance_m": 2737.0,
   "midpoint_distance_m": 2727.0,
   "start_elevation_m": 1350.1996489268884,
   "end_elevation_m": 1342.8532430020628,
   "start_xy": [
    2597833.2841780805,
    1155026.8699474623
   ],
   "end_xy": [
    2597832.5064109014,
    1155007.0134161648
   ]
  },
  "min_25m": {
   "gradient_pct": -27.399571916464993,
   "start_distance_m": 2712.0,
   "end_distance_m": 2737.0,
   "midpoint_distance_m": 2724.5,
   "start_elevation_m": 1349.703135981179,
   "end_elevation_m": 1342.8532430020628,
   "start_xy": [
    2597832.6551105743,
    1155031.830217019
   ],
   "end_xy": [
    2597832.5064109014,
    1155007.0134161648
   ]
  },
  "min_50m": {
   "gradient_pct": -8.406205180956931,
   "start_distance_m": 5927.0,
   "end_distance_m": 5977.0,
   "midpoint_distance_m": 5952.0,
   "start_elevation_m": 1716.786346076254,
   "end_elevation_m": 1712.5832434857755,
   "start_xy": [
    2598163.0677314657,
    1153375.0623561214
   ],
   "end_xy": [
    2598208.644706524,
    1153394.3532802896
   ]
  },
  "min_100m": {
   "gradient_pct": -7.668990208881951,
   "start_distance_m": 5858.0,
   "end_distance_m": 5958.0,
   "midpoint_distance_m": 5908.0,
   "start_elevation_m": 1721.1995939234062,
   "end_elevation_m": 1713.5306037145242,
   "start_xy": [
    2598095.3813110925,
    1153363.6217022245
   ],
   "end_xy": [
    2598191.846267653,
    1153385.5111031698
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 44.28698909820241,
   "start_distance_m": 520.0,
   "end_distance_m": 522.0,
   "midpoint_distance_m": 521.0,
   "start_elevation_m": 1087.5116055247634,
   "end_elevation_m": 1088.3973453067274,
   "start_xy": [
    2596884.8593785698,
    1154760.5522238591
   ],
   "end_xy": [
    2596886.5969947814,
    1154761.542521744
   ]
  },
  "max_3m": {
   "gradient_pct": 42.622961349654055,
   "start_distance_m": 520.0,
   "end_distance_m": 523.0,
   "midpoint_distance_m": 521.5,
   "start_elevation_m": 1087.5116055247634,
   "end_elevation_m": 1088.790294365253,
   "start_xy": [
    2596884.8593785698,
    1154760.5522238591
   ],
   "end_xy": [
    2596887.4658028875,
    1154762.0376706866
   ]
  }
 },
 "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": 0.023,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    545.0,
    550.0
   ],
   [
    784.0,
    815.0
   ],
   [
    1275.0,
    1297.0
   ],
   [
    1781.0,
    1801.0
   ],
   [
    2020.0,
    2038.0
   ],
   [
    2584.0,
    2601.0
   ],
   [
    2721.0,
    2747.0
   ]
  ],
  "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_2025_2596-1154_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2596-1155_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2597-1153_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2597-1154_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2597-1155_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2598-1153_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2598-1154_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2598-1155_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:09:21+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": [
   "2596-1154",
   "2596-1155",
   "2597-1153",
   "2597-1154",
   "2597-1155",
   "2598-1153",
   "2598-1154",
   "2598-1155"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "mask_basin_extension_m": 10.0,
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Zweisimmen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}