{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7402, 8.3618)",
 "slug": "discovered-lane-46-7402-8-3618",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.608571041208506,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 404.0,
   "end_distance_m": 406.0,
   "start_elevation_m": 1265.4757021250355,
   "end_elevation_m": 1266.0078735458596,
   "min_gradient_pct": -2.875343328139479
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.999423562788554,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 403.0,
   "end_distance_m": 406.0,
   "start_elevation_m": 1265.257890838976,
   "end_elevation_m": 1266.0078735458596,
   "min_gradient_pct": -0.9205127159778689
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.66881908445066,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 401.0,
   "end_distance_m": 406.0,
   "start_elevation_m": 1264.824432591637,
   "end_elevation_m": 1266.0078735458596,
   "min_gradient_pct": 1.2289671205098784
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.75705784811862,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 396.0,
   "end_distance_m": 406.0,
   "start_elevation_m": 1263.7321677610478,
   "end_elevation_m": 1266.0078735458596,
   "min_gradient_pct": 2.2960561250738465
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.649818716874734,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 392.0,
   "end_distance_m": 412.0,
   "start_elevation_m": 1262.923346185576,
   "end_elevation_m": 1267.253309928951,
   "min_gradient_pct": 3.1779214232915365
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.37381618270956,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 392.0,
   "end_distance_m": 417.0,
   "start_elevation_m": 1262.923346185576,
   "end_elevation_m": 1268.2668002312535,
   "min_gradient_pct": 3.354126009491665
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.409605473385,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 430.0,
   "start_elevation_m": 1260.7613001830796,
   "end_elevation_m": 1270.466102919772,
   "min_gradient_pct": 4.162126218693629
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.3788634920777,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 445.0,
   "start_elevation_m": 1256.1684175848013,
   "end_elevation_m": 1272.547281076879,
   "min_gradient_pct": 5.166404663427784
  }
 ],
 "shape": {
  "ascent_concentration": 0.368,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 183.0,
  "shape_class": "sustained"
 },
 "length_m": 521.1287363338536,
 "start_elevation_m": 1225.6105674316436,
 "end_elevation_m": 1279.383056845704,
 "endpoint_gain_m": 53.772489414060374,
 "overall_gradient_pct": 10.31846560455492,
 "accumulated_ascent_m": 54.5987442916055,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.66881908445066,
   "start_distance_m": 401.0,
   "end_distance_m": 406.0,
   "midpoint_distance_m": 403.5,
   "start_elevation_m": 1264.824432591637,
   "end_elevation_m": 1266.0078735458596,
   "start_xy": [
    2670657.4444778357,
    1176958.9506201677
   ],
   "end_xy": [
    2670661.785373208,
    1176961.4318753676
   ]
  },
  "max_10m": {
   "gradient_pct": 22.75705784811862,
   "start_distance_m": 396.0,
   "end_distance_m": 406.0,
   "midpoint_distance_m": 401.0,
   "start_elevation_m": 1263.7321677610478,
   "end_elevation_m": 1266.0078735458596,
   "start_xy": [
    2670653.41820801,
    1176956.0060722085
   ],
   "end_xy": [
    2670661.785373208,
    1176961.4318753676
   ]
  },
  "max_20m": {
   "gradient_pct": 21.649818716874734,
   "start_distance_m": 392.0,
   "end_distance_m": 412.0,
   "midpoint_distance_m": 402.0,
   "start_elevation_m": 1262.923346185576,
   "end_elevation_m": 1267.253309928951,
   "start_xy": [
    2670650.2925248644,
    1176953.5100544055
   ],
   "end_xy": [
    2670667.397416133,
    1176963.5409132356
   ]
  },
  "max_25m": {
   "gradient_pct": 21.37381618270956,
   "start_distance_m": 392.0,
   "end_distance_m": 417.0,
   "midpoint_distance_m": 404.5,
   "start_elevation_m": 1262.923346185576,
   "end_elevation_m": 1268.2668002312535,
   "start_xy": [
    2670650.2925248644,
    1176953.5100544055
   ],
   "end_xy": [
    2670672.202415182,
    1176964.915057819
   ]
  },
  "max_50m": {
   "gradient_pct": 19.409605473385,
   "start_distance_m": 380.0,
   "end_distance_m": 430.0,
   "midpoint_distance_m": 405.0,
   "start_elevation_m": 1260.7613001830796,
   "end_elevation_m": 1270.466102919772,
   "start_xy": [
    2670640.199025747,
    1176947.1688036437
   ],
   "end_xy": [
    2670684.9706150712,
    1176967.25086393
   ]
  },
  "max_100m": {
   "gradient_pct": 16.3788634920777,
   "start_distance_m": 345.0,
   "end_distance_m": 445.0,
   "midpoint_distance_m": 395.0,
   "start_elevation_m": 1256.1684175848013,
   "end_elevation_m": 1272.547281076879,
   "start_xy": [
    2670606.1230100472,
    1176953.2938945126
   ],
   "end_xy": [
    2670699.9238969586,
    1176968.4155886106
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.2289671205098784,
   "start_distance_m": 16.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 18.5,
   "start_elevation_m": 1226.9082771071257,
   "end_elevation_m": 1226.9697254631512,
   "start_xy": [
    2670289.590334715,
    1177022.983288335
   ],
   "end_xy": [
    2670294.329913079,
    1177021.3906813737
   ]
  },
  "min_10m": {
   "gradient_pct": 2.2960561250738465,
   "start_distance_m": 59.0,
   "end_distance_m": 69.0,
   "midpoint_distance_m": 64.0,
   "start_elevation_m": 1228.8488947708634,
   "end_elevation_m": 1229.0785003833707,
   "start_xy": [
    2670330.7299497584,
    1177010.5119563388
   ],
   "end_xy": [
    2670340.405129059,
    1177007.9911402646
   ]
  },
  "min_20m": {
   "gradient_pct": 3.1779214232915365,
   "start_distance_m": 14.0,
   "end_distance_m": 34.0,
   "midpoint_distance_m": 24.0,
   "start_elevation_m": 1226.8154195078491,
   "end_elevation_m": 1227.4510037925074,
   "start_xy": [
    2670287.6968098376,
    1177023.6268152073
   ],
   "end_xy": [
    2670306.677780183,
    1177017.3305440755
   ]
  },
  "min_25m": {
   "gradient_pct": 3.354126009491665,
   "start_distance_m": 14.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 26.5,
   "start_elevation_m": 1226.8154195078491,
   "end_elevation_m": 1227.653951010222,
   "start_xy": [
    2670287.6968098376,
    1177023.6268152073
   ],
   "end_xy": [
    2670311.488214098,
    1177015.966826528
   ]
  },
  "min_50m": {
   "gradient_pct": 4.162126218693629,
   "start_distance_m": 19.0,
   "end_distance_m": 69.0,
   "midpoint_distance_m": 44.0,
   "start_elevation_m": 1226.997437274024,
   "end_elevation_m": 1229.0785003833707,
   "start_xy": [
    2670292.434081733,
    1177022.0277241583
   ],
   "end_xy": [
    2670340.405129059,
    1177007.9911402646
   ]
  },
  "min_100m": {
   "gradient_pct": 5.166404663427784,
   "start_distance_m": 8.0,
   "end_distance_m": 108.0,
   "midpoint_distance_m": 58.0,
   "start_elevation_m": 1226.4827287402688,
   "end_elevation_m": 1231.6491334036966,
   "start_xy": [
    2670282.0800341927,
    1177025.736751547
   ],
   "end_xy": [
    2670378.3072180664,
    1176998.8024706722
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.608571041208506,
   "start_distance_m": 404.0,
   "end_distance_m": 406.0,
   "midpoint_distance_m": 405.0,
   "start_elevation_m": 1265.4757021250355,
   "end_elevation_m": 1266.0078735458596,
   "start_xy": [
    2670660.049015059,
    1176960.4393732876
   ],
   "end_xy": [
    2670661.785373208,
    1176961.4318753676
   ]
  },
  "max_3m": {
   "gradient_pct": 24.999423562788554,
   "start_distance_m": 403.0,
   "end_distance_m": 406.0,
   "midpoint_distance_m": 404.5,
   "start_elevation_m": 1265.257890838976,
   "end_elevation_m": 1266.0078735458596,
   "start_xy": [
    2670659.1808359846,
    1176959.9431222477
   ],
   "end_xy": [
    2670661.785373208,
    1176961.4318753676
   ]
  }
 },
 "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",
   "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_2670-1176_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2670-1177_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:07:11+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-run7-260911",
  "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": [
   "2670-1176",
   "2670-1177"
  ],
  "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)"
 }
}