{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7640, 6.4735)",
 "slug": "discovered-lane-46-7640-6-4735",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 35.02136443891004,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 6846.0,
   "end_distance_m": 6848.0,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1333.5705401618582,
   "min_gradient_pct": -11.803572713654376
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.504263801689376,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 6846.0,
   "end_distance_m": 6849.0,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1333.6652407871306,
   "min_gradient_pct": -3.9052319612437714
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.00397706532567,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6846.0,
   "end_distance_m": 6851.0,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1333.8703117263462,
   "min_gradient_pct": 2.1360511163857154
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 14.492173137036843,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6846.0,
   "end_distance_m": 6856.0,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1334.3193301867836,
   "min_gradient_pct": 3.8119727827142924
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 12.428183039148735,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6871.0,
   "end_distance_m": 6891.0,
   "start_elevation_m": 1335.4944375147597,
   "end_elevation_m": 1337.9800741225895,
   "min_gradient_pct": 4.513591716250289
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 12.181277791069078,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6871.0,
   "end_distance_m": 6896.0,
   "start_elevation_m": 1335.4944375147597,
   "end_elevation_m": 1338.539756962527,
   "min_gradient_pct": 4.742534458076534
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 11.595599193243288,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5166.0,
   "end_distance_m": 5216.0,
   "start_elevation_m": 1167.6180326809572,
   "end_elevation_m": 1173.4158322775788,
   "min_gradient_pct": 5.406042204311461
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 10.965721840093693,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5165.0,
   "end_distance_m": 5265.0,
   "start_elevation_m": 1167.5321531012275,
   "end_elevation_m": 1178.4978749413212,
   "min_gradient_pct": 5.484077179122323
  }
 ],
 "shape": {
  "ascent_concentration": 0.268,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 95.0,
  "shape_class": "sustained"
 },
 "length_m": 8456.938355501657,
 "start_elevation_m": 687.8598510312497,
 "end_elevation_m": 1487.4399656582036,
 "endpoint_gain_m": 799.5801146269539,
 "overall_gradient_pct": 9.454723222698997,
 "accumulated_ascent_m": 800.2955292651206,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.00397706532567,
   "start_distance_m": 6846.0,
   "end_distance_m": 6851.0,
   "midpoint_distance_m": 6848.5,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1333.8703117263462,
   "start_xy": [
    2526593.0179138486,
    1180530.158334417
   ],
   "end_xy": [
    2526590.255278146,
    1180534.2920933217
   ]
  },
  "max_10m": {
   "gradient_pct": 14.492173137036843,
   "start_distance_m": 6846.0,
   "end_distance_m": 6856.0,
   "midpoint_distance_m": 6851.0,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1334.3193301867836,
   "start_xy": [
    2526593.0179138486,
    1180530.158334417
   ],
   "end_xy": [
    2526586.7395824413,
    1180537.847354734
   ]
  },
  "max_20m": {
   "gradient_pct": 12.428183039148735,
   "start_distance_m": 6871.0,
   "end_distance_m": 6891.0,
   "midpoint_distance_m": 6881.0,
   "start_elevation_m": 1335.4944375147597,
   "end_elevation_m": 1337.9800741225895,
   "start_xy": [
    2526575.0811030953,
    1180547.228272121
   ],
   "end_xy": [
    2526570.986952103,
    1180565.6738613655
   ]
  },
  "max_25m": {
   "gradient_pct": 12.181277791069078,
   "start_distance_m": 6871.0,
   "end_distance_m": 6896.0,
   "midpoint_distance_m": 6883.5,
   "start_elevation_m": 1335.4944375147597,
   "end_elevation_m": 1338.539756962527,
   "start_xy": [
    2526575.0811030953,
    1180547.228272121
   ],
   "end_xy": [
    2526572.562134159,
    1180570.3749408422
   ]
  },
  "max_50m": {
   "gradient_pct": 11.595599193243288,
   "start_distance_m": 5166.0,
   "end_distance_m": 5216.0,
   "midpoint_distance_m": 5191.0,
   "start_elevation_m": 1167.6180326809572,
   "end_elevation_m": 1173.4158322775788,
   "start_xy": [
    2526282.640668477,
    1179454.301959268
   ],
   "end_xy": [
    2526307.996536693,
    1179497.3083341254
   ]
  },
  "max_100m": {
   "gradient_pct": 10.965721840093693,
   "start_distance_m": 5165.0,
   "end_distance_m": 5265.0,
   "midpoint_distance_m": 5215.0,
   "start_elevation_m": 1167.5321531012275,
   "end_elevation_m": 1178.4978749413212,
   "start_xy": [
    2526282.087729173,
    1179453.4687377336
   ],
   "end_xy": [
    2526304.612182605,
    1179545.4077393373
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.1360511163857154,
   "start_distance_m": 5123.0,
   "end_distance_m": 5128.0,
   "midpoint_distance_m": 5125.5,
   "start_elevation_m": 1163.6724646015227,
   "end_elevation_m": 1163.779267157342,
   "start_xy": [
    2526260.258284582,
    1179417.6096197902
   ],
   "end_xy": [
    2526262.687906356,
    1179421.979360557
   ]
  },
  "min_10m": {
   "gradient_pct": 3.8119727827142924,
   "start_distance_m": 809.0,
   "end_distance_m": 819.0,
   "midpoint_distance_m": 814.0,
   "start_elevation_m": 760.5437422050637,
   "end_elevation_m": 760.9249394833352,
   "start_xy": [
    2527536.750905912,
    1179760.8930420335
   ],
   "end_xy": [
    2527537.911383803,
    1179751.00813734
   ]
  },
  "min_20m": {
   "gradient_pct": 4.513591716250289,
   "start_distance_m": 722.0,
   "end_distance_m": 742.0,
   "midpoint_distance_m": 732.0,
   "start_elevation_m": 755.5917771265529,
   "end_elevation_m": 756.4944954698029,
   "start_xy": [
    2527595.34054869,
    1179791.6829972293
   ],
   "end_xy": [
    2527576.16098991,
    1179797.1796130862
   ]
  },
  "min_25m": {
   "gradient_pct": 4.742534458076534,
   "start_distance_m": 717.0,
   "end_distance_m": 742.0,
   "midpoint_distance_m": 729.5,
   "start_elevation_m": 755.3088618552838,
   "end_elevation_m": 756.4944954698029,
   "start_xy": [
    2527600.0189678348,
    1179789.9246703822
   ],
   "end_xy": [
    2527576.16098991,
    1179797.1796130862
   ]
  },
  "min_50m": {
   "gradient_pct": 5.406042204311461,
   "start_distance_m": 726.0,
   "end_distance_m": 776.0,
   "midpoint_distance_m": 751.0,
   "start_elevation_m": 755.8050136615002,
   "end_elevation_m": 758.5080347636559,
   "start_xy": [
    2527591.529445027,
    1179792.8976942573
   ],
   "end_xy": [
    2527543.9774311595,
    1179790.4313532664
   ]
  },
  "min_100m": {
   "gradient_pct": 5.484077179122323,
   "start_distance_m": 719.0,
   "end_distance_m": 819.0,
   "midpoint_distance_m": 769.0,
   "start_elevation_m": 755.4408623042128,
   "end_elevation_m": 760.9249394833352,
   "start_xy": [
    2527598.158496286,
    1179790.658595184
   ],
   "end_xy": [
    2527537.911383803,
    1179751.00813734
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 35.02136443891004,
   "start_distance_m": 6846.0,
   "end_distance_m": 6848.0,
   "midpoint_distance_m": 6847.0,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1333.5705401618582,
   "start_xy": [
    2526593.0179138486,
    1180530.158334417
   ],
   "end_xy": [
    2526592.006351276,
    1180531.8836579118
   ]
  },
  "max_3m": {
   "gradient_pct": 26.504263801689376,
   "start_distance_m": 6846.0,
   "end_distance_m": 6849.0,
   "midpoint_distance_m": 6847.5,
   "start_elevation_m": 1332.87011287308,
   "end_elevation_m": 1333.6652407871306,
   "start_xy": [
    2526593.0179138486,
    1180530.158334417
   ],
   "end_xy": [
    2526591.5005699894,
    1180532.746319659
   ]
  }
 },
 "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_2021_2525-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2525-1180_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2526-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2526-1180_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2527-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2527-1180_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2528-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2528-1180_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:00:01+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": [
   "2525-1179",
   "2525-1180",
   "2526-1179",
   "2526-1180",
   "2527-1179",
   "2527-1180",
   "2528-1179",
   "2528-1180"
  ],
  "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": "Rances",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}