{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8971, 7.8462)",
 "slug": "discovered-lane-46-8971-7-8462",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.029213496313332,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5267.0,
   "end_distance_m": 5269.0,
   "start_elevation_m": 1239.605384199518,
   "end_elevation_m": 1240.1659684694444,
   "min_gradient_pct": -235.97974737677987,
   "suppressed_max_gradient_pct": 203.0614867742031,
   "suppressed_location_m": [
    1252.0,
    1254.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.288795058076175,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5223.0,
   "end_distance_m": 5226.0,
   "start_elevation_m": 1230.8937438940573,
   "end_elevation_m": 1231.6824077457995,
   "min_gradient_pct": -201.6220188804065,
   "suppressed_max_gradient_pct": 192.04840398086844,
   "suppressed_location_m": [
    1252.0,
    1255.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.415016827631916,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5222.0,
   "end_distance_m": 5227.0,
   "start_elevation_m": 1230.62779883543,
   "end_elevation_m": 1231.9485496768116,
   "min_gradient_pct": -131.8409926877348,
   "suppressed_max_gradient_pct": 155.70823137936713,
   "suppressed_location_m": [
    1251.0,
    1256.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.55581110980029,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5220.0,
   "end_distance_m": 5230.0,
   "start_elevation_m": 1230.144277096238,
   "end_elevation_m": 1232.699858207218,
   "min_gradient_pct": -61.384539545059624,
   "suppressed_max_gradient_pct": 83.15225542056737,
   "suppressed_location_m": [
    1251.0,
    1261.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.62454344544858,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5184.0,
   "end_distance_m": 5204.0,
   "start_elevation_m": 1222.090191603964,
   "end_elevation_m": 1226.8151002930538,
   "min_gradient_pct": -25.326440963361847,
   "suppressed_max_gradient_pct": 46.92620974631268,
   "suppressed_location_m": [
    1251.0,
    1271.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.62303114669612,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5185.0,
   "end_distance_m": 5210.0,
   "start_elevation_m": 1222.3342986138152,
   "end_elevation_m": 1228.2400564004893,
   "min_gradient_pct": -18.138273478731207,
   "suppressed_max_gradient_pct": 39.67331633588765,
   "suppressed_location_m": [
    1251.0,
    1276.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.963574578514454,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 5180.0,
   "end_distance_m": 5230.0,
   "start_elevation_m": 1221.2180709179609,
   "end_elevation_m": 1232.699858207218,
   "min_gradient_pct": -3.571604303425147,
   "suppressed_max_gradient_pct": 25.53390339851103,
   "suppressed_location_m": [
    1251.0,
    1301.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.301155432385258,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5146.0,
   "end_distance_m": 5246.0,
   "start_elevation_m": 1214.3799733806268,
   "end_elevation_m": 1235.681128813012,
   "min_gradient_pct": 0.4307201025253562
  }
 ],
 "shape": {
  "ascent_concentration": 0.346,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 745.0,
  "shape_class": "sustained"
 },
 "length_m": 5487.117558979082,
 "start_elevation_m": 745.0112185954556,
 "end_elevation_m": 1255.3944223022586,
 "endpoint_gain_m": 510.383203706803,
 "overall_gradient_pct": 9.30148111865428,
 "accumulated_ascent_m": 519.529731361491,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.415016827631916,
   "start_distance_m": 5222.0,
   "end_distance_m": 5227.0,
   "midpoint_distance_m": 5224.5,
   "start_elevation_m": 1230.62779883543,
   "end_elevation_m": 1231.9485496768116,
   "start_xy": [
    2631334.872946937,
    1193295.1919228416
   ],
   "end_xy": [
    2631338.990676173,
    1193292.3556742738
   ]
  },
  "max_10m": {
   "gradient_pct": 25.55581110980029,
   "start_distance_m": 5220.0,
   "end_distance_m": 5230.0,
   "midpoint_distance_m": 5225.0,
   "start_elevation_m": 1230.144277096238,
   "end_elevation_m": 1232.699858207218,
   "start_xy": [
    2631333.2258552425,
    1193296.3264222688
   ],
   "end_xy": [
    2631341.4613137147,
    1193290.6539251332
   ]
  },
  "max_20m": {
   "gradient_pct": 23.62454344544858,
   "start_distance_m": 5184.0,
   "end_distance_m": 5204.0,
   "midpoint_distance_m": 5194.0,
   "start_elevation_m": 1222.090191603964,
   "end_elevation_m": 1226.8151002930538,
   "start_xy": [
    2631305.016928861,
    1193318.4282180127
   ],
   "end_xy": [
    2631320.093658735,
    1193305.4665343324
   ]
  },
  "max_25m": {
   "gradient_pct": 23.62303114669612,
   "start_distance_m": 5185.0,
   "end_distance_m": 5210.0,
   "midpoint_distance_m": 5197.5,
   "start_elevation_m": 1222.3342986138152,
   "end_elevation_m": 1228.2400564004893,
   "start_xy": [
    2631305.6926408256,
    1193317.6910522643
   ],
   "end_xy": [
    2631325.0079110907,
    1193302.0241334573
   ]
  },
  "max_50m": {
   "gradient_pct": 22.963574578514454,
   "start_distance_m": 5180.0,
   "end_distance_m": 5230.0,
   "midpoint_distance_m": 5205.0,
   "start_elevation_m": 1221.2180709179609,
   "end_elevation_m": 1232.699858207218,
   "start_xy": [
    2631302.314081001,
    1193321.376881006
   ],
   "end_xy": [
    2631341.4613137147,
    1193290.6539251332
   ]
  },
  "max_100m": {
   "gradient_pct": 21.301155432385258,
   "start_distance_m": 5146.0,
   "end_distance_m": 5246.0,
   "midpoint_distance_m": 5196.0,
   "start_elevation_m": 1214.3799733806268,
   "end_elevation_m": 1235.681128813012,
   "start_xy": [
    2631276.356703563,
    1193343.315247769
   ],
   "end_xy": [
    2631356.2440583077,
    1193284.683210382
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -131.8409926877348,
   "start_distance_m": 1246.0,
   "end_distance_m": 1251.0,
   "midpoint_distance_m": 1248.5,
   "start_elevation_m": 839.3225475153532,
   "end_elevation_m": 832.7304978809665,
   "start_xy": [
    2631335.2243874203,
    1196282.9412627148
   ],
   "end_xy": [
    2631331.679499114,
    1196286.460645142
   ]
  },
  "min_10m": {
   "gradient_pct": -61.384539545059624,
   "start_distance_m": 1241.0,
   "end_distance_m": 1251.0,
   "midpoint_distance_m": 1246.0,
   "start_elevation_m": 838.8689518354724,
   "end_elevation_m": 832.7304978809665,
   "start_xy": [
    2631339.210202456,
    1196279.9339917393
   ],
   "end_xy": [
    2631331.679499114,
    1196286.460645142
   ]
  },
  "min_20m": {
   "gradient_pct": -25.326440963361847,
   "start_distance_m": 1231.0,
   "end_distance_m": 1251.0,
   "midpoint_distance_m": 1241.0,
   "start_elevation_m": 837.7957860736389,
   "end_elevation_m": 832.7304978809665,
   "start_xy": [
    2631348.1311046192,
    1196275.4699738554
   ],
   "end_xy": [
    2631331.679499114,
    1196286.460645142
   ]
  },
  "min_25m": {
   "gradient_pct": -18.138273478731207,
   "start_distance_m": 1226.0,
   "end_distance_m": 1251.0,
   "midpoint_distance_m": 1238.5,
   "start_elevation_m": 837.2650662506493,
   "end_elevation_m": 832.7304978809665,
   "start_xy": [
    2631352.878594498,
    1196273.9011080698
   ],
   "end_xy": [
    2631331.679499114,
    1196286.460645142
   ]
  },
  "min_50m": {
   "gradient_pct": -3.571604303425147,
   "start_distance_m": 1201.0,
   "end_distance_m": 1251.0,
   "midpoint_distance_m": 1226.0,
   "start_elevation_m": 834.516300032679,
   "end_elevation_m": 832.7304978809665,
   "start_xy": [
    2631375.344231136,
    1196263.1742230733
   ],
   "end_xy": [
    2631331.679499114,
    1196286.460645142
   ]
  },
  "min_100m": {
   "gradient_pct": 0.4307201025253562,
   "start_distance_m": 5357.0,
   "end_distance_m": 5457.0,
   "midpoint_distance_m": 5407.0,
   "start_elevation_m": 1250.796669440664,
   "end_elevation_m": 1251.2273895431892,
   "start_xy": [
    2631444.1532492754,
    1193257.0849776953
   ],
   "end_xy": [
    2631519.3696021307,
    1193322.7265138032
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.029213496313332,
   "start_distance_m": 5267.0,
   "end_distance_m": 5269.0,
   "midpoint_distance_m": 5268.0,
   "start_elevation_m": 1239.605384199518,
   "end_elevation_m": 1240.1659684694444,
   "start_xy": [
    2631375.1835732395,
    1193275.7087334502
   ],
   "end_xy": [
    2631376.841483588,
    1193274.5901033613
   ]
  },
  "max_3m": {
   "gradient_pct": 26.288795058076175,
   "start_distance_m": 5223.0,
   "end_distance_m": 5226.0,
   "midpoint_distance_m": 5224.5,
   "start_elevation_m": 1230.8937438940573,
   "end_elevation_m": 1231.6824077457995,
   "start_xy": [
    2631335.696492784,
    1193294.6246731281
   ],
   "end_xy": [
    2631338.167130326,
    1193292.9229239873
   ]
  }
 },
 "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": 0.003,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    1242.0,
    1260.0
   ]
  ],
  "review": [],
  "extent": [
   "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_2630-1193_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2630-1194_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2630-1195_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2630-1196_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2631-1193_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2631-1194_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2631-1195_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2631-1196_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:17:06+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": [
   "2630-1193",
   "2630-1194",
   "2630-1195",
   "2630-1196",
   "2631-1193",
   "2631-1194",
   "2631-1195",
   "2631-1196"
  ],
  "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": "Trubschachen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}