{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.8135, 7.6527)",
 "slug": "discovered-lane-46-8135-7-6527",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.361280250624986,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2785.0,
   "end_distance_m": 2787.0,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 914.6419405798565,
   "min_gradient_pct": -13.585285225690313
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.479359609265885,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 2785.0,
   "end_distance_m": 2788.0,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 914.889095763122,
   "min_gradient_pct": -12.858714527127782
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.27749239012701,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2785.0,
   "end_distance_m": 2790.0,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 915.4085895943504,
   "min_gradient_pct": -12.357633576964417
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.38864708620963,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2785.0,
   "end_distance_m": 2795.0,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 916.633579683465,
   "min_gradient_pct": -7.53251270530086
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.2822145674146,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2776.0,
   "end_distance_m": 2796.0,
   "start_elevation_m": 912.1889115773786,
   "end_elevation_m": 916.8453544908615,
   "min_gradient_pct": -5.2736594508428425
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.814506107800298,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2770.0,
   "end_distance_m": 2795.0,
   "start_elevation_m": 910.9299531565149,
   "end_elevation_m": 916.633579683465,
   "min_gradient_pct": -5.230231936199289
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.474126033300763,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2759.0,
   "end_distance_m": 2809.0,
   "start_elevation_m": 908.6384973637494,
   "end_elevation_m": 919.3755603803997,
   "min_gradient_pct": -5.073754522484705
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.159098754673096,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2742.0,
   "end_distance_m": 2842.0,
   "start_elevation_m": 905.9976504103838,
   "end_elevation_m": 925.1567491650569,
   "min_gradient_pct": -4.918490868941149
  }
 ],
 "shape": {
  "ascent_concentration": 0.414,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 260.0,
  "shape_class": "sustained"
 },
 "length_m": 2919.1548199166164,
 "start_elevation_m": 752.419063945066,
 "end_elevation_m": 938.9833895019319,
 "endpoint_gain_m": 186.56432555686592,
 "overall_gradient_pct": 6.391039087203843,
 "accumulated_ascent_m": 209.33329467683097,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.27749239012701,
   "start_distance_m": 2785.0,
   "end_distance_m": 2790.0,
   "midpoint_distance_m": 2787.5,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 915.4085895943504,
   "start_xy": [
    2616362.923281194,
    1184956.398723211
   ],
   "end_xy": [
    2616358.0512650814,
    1184957.5227601314
   ]
  },
  "max_10m": {
   "gradient_pct": 25.38864708620963,
   "start_distance_m": 2785.0,
   "end_distance_m": 2795.0,
   "midpoint_distance_m": 2790.0,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 916.633579683465,
   "start_xy": [
    2616362.923281194,
    1184956.398723211
   ],
   "end_xy": [
    2616353.0995143983,
    1184958.1760559075
   ]
  },
  "max_20m": {
   "gradient_pct": 23.2822145674146,
   "start_distance_m": 2776.0,
   "end_distance_m": 2796.0,
   "midpoint_distance_m": 2786.0,
   "start_elevation_m": 912.1889115773786,
   "end_elevation_m": 916.8453544908615,
   "start_xy": [
    2616371.537426945,
    1184953.9210130451
   ],
   "end_xy": [
    2616352.105430699,
    1184958.2846726596
   ]
  },
  "max_25m": {
   "gradient_pct": 22.814506107800298,
   "start_distance_m": 2770.0,
   "end_distance_m": 2795.0,
   "midpoint_distance_m": 2782.5,
   "start_elevation_m": 910.9299531565149,
   "end_elevation_m": 916.633579683465,
   "start_xy": [
    2616376.941177399,
    1184951.3348974134
   ],
   "end_xy": [
    2616353.0995143983,
    1184958.1760559075
   ]
  },
  "max_50m": {
   "gradient_pct": 21.474126033300763,
   "start_distance_m": 2759.0,
   "end_distance_m": 2809.0,
   "midpoint_distance_m": 2784.0,
   "start_elevation_m": 908.6384973637494,
   "end_elevation_m": 919.3755603803997,
   "start_xy": [
    2616385.2322200346,
    1184944.1428076616
   ],
   "end_xy": [
    2616339.239303763,
    1184960.032215322
   ]
  },
  "max_100m": {
   "gradient_pct": 19.159098754673096,
   "start_distance_m": 2742.0,
   "end_distance_m": 2842.0,
   "midpoint_distance_m": 2792.0,
   "start_elevation_m": 905.9976504103838,
   "end_elevation_m": 925.1567491650569,
   "start_xy": [
    2616395.695562646,
    1184930.7986177956
   ],
   "end_xy": [
    2616309.8690868835,
    1184974.5313667066
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.357633576964417,
   "start_distance_m": 2499.0,
   "end_distance_m": 2504.0,
   "midpoint_distance_m": 2501.5,
   "start_elevation_m": 896.7145139395873,
   "end_elevation_m": 896.096632260739,
   "start_xy": [
    2616408.099491361,
    1184704.1044016175
   ],
   "end_xy": [
    2616404.6426554434,
    1184707.7169194983
   ]
  },
  "min_10m": {
   "gradient_pct": -7.53251270530086,
   "start_distance_m": 2498.0,
   "end_distance_m": 2508.0,
   "midpoint_distance_m": 2503.0,
   "start_elevation_m": 896.7337823331493,
   "end_elevation_m": 895.9805310626192,
   "start_xy": [
    2616408.14504457,
    1184703.7875661445
   ],
   "end_xy": [
    2616401.8771867095,
    1184710.6069338028
   ]
  },
  "min_20m": {
   "gradient_pct": -5.2736594508428425,
   "start_distance_m": 1363.0,
   "end_distance_m": 1383.0,
   "midpoint_distance_m": 1373.0,
   "start_elevation_m": 869.0566722184119,
   "end_elevation_m": 868.0019403282433,
   "start_xy": [
    2615673.190028203,
    1184808.0739525377
   ],
   "end_xy": [
    2615692.1083965087,
    1184814.5620447572
   ]
  },
  "min_25m": {
   "gradient_pct": -5.230231936199289,
   "start_distance_m": 1368.0,
   "end_distance_m": 1393.0,
   "midpoint_distance_m": 1380.5,
   "start_elevation_m": 868.8047187059743,
   "end_elevation_m": 867.4971607219245,
   "start_xy": [
    2615677.9196202797,
    1184809.6959755926
   ],
   "end_xy": [
    2615701.5675806617,
    1184817.806090867
   ]
  },
  "min_50m": {
   "gradient_pct": -5.073754522484705,
   "start_distance_m": 1358.0,
   "end_distance_m": 1408.0,
   "midpoint_distance_m": 1383.0,
   "start_elevation_m": 869.2985890042663,
   "end_elevation_m": 866.761711743024,
   "start_xy": [
    2615668.4604361267,
    1184806.4519294829
   ],
   "end_xy": [
    2615715.7563568912,
    1184822.6721600315
   ]
  },
  "min_100m": {
   "gradient_pct": -4.918490868941149,
   "start_distance_m": 1343.0,
   "end_distance_m": 1443.0,
   "midpoint_distance_m": 1393.0,
   "start_elevation_m": 870.0081459124561,
   "end_elevation_m": 865.089655043515,
   "start_xy": [
    2615654.250177483,
    1184801.649226991
   ],
   "end_xy": [
    2615748.817448656,
    1184834.1576051011
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.361280250624986,
   "start_distance_m": 2785.0,
   "end_distance_m": 2787.0,
   "midpoint_distance_m": 2786.0,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 914.6419405798565,
   "start_xy": [
    2616362.923281194,
    1184956.398723211
   ],
   "end_xy": [
    2616360.974474749,
    1184956.848337979
   ]
  },
  "max_3m": {
   "gradient_pct": 26.479359609265885,
   "start_distance_m": 2785.0,
   "end_distance_m": 2788.0,
   "midpoint_distance_m": 2786.5,
   "start_elevation_m": 914.094714974844,
   "end_elevation_m": 914.889095763122,
   "start_xy": [
    2616362.923281194,
    1184956.398723211
   ],
   "end_xy": [
    2616360.0000715265,
    1184957.0731453632
   ]
  }
 },
 "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_2614-1184_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2615-1184_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2615-1185_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2616-1184_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2616-1185_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:54:03+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": [
   "2614-1184",
   "2615-1184",
   "2615-1185",
   "2616-1184",
   "2616-1185"
  ],
  "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": "Oberdiessbach",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}