{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.6120, 6.8465)",
 "slug": "discovered-lane-46-6120-6-8465",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.426384474744964,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 394.0,
   "end_distance_m": 396.0,
   "start_elevation_m": 792.7325747097258,
   "end_elevation_m": 793.1611023992207,
   "min_gradient_pct": -16.116004029333908,
   "suppressed_max_gradient_pct": 39.09482916446905,
   "suppressed_location_m": [
    191.0,
    193.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 21.203266263341902,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 385.0,
   "end_distance_m": 388.0,
   "start_elevation_m": 790.924355383749,
   "end_elevation_m": 791.5604533716493,
   "min_gradient_pct": -14.661275524989984,
   "suppressed_max_gradient_pct": 30.632750057403275,
   "suppressed_location_m": [
    190.0,
    193.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.969890595854395,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 383.0,
   "end_distance_m": 388.0,
   "start_elevation_m": 790.5119588418565,
   "end_elevation_m": 791.5604533716493,
   "min_gradient_pct": -11.427483570118966
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.501150045428176,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 390.0,
   "start_elevation_m": 789.8972085878304,
   "end_elevation_m": 791.9473235923732,
   "min_gradient_pct": -7.995496272794753
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.19674993738704,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 400.0,
   "start_elevation_m": 789.8972085878304,
   "end_elevation_m": 793.9365585753078,
   "min_gradient_pct": -6.901515853191427
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.069906530640765,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 380.0,
   "end_distance_m": 405.0,
   "start_elevation_m": 789.8972085878304,
   "end_elevation_m": 794.9146852204906,
   "min_gradient_pct": -6.104878400204143
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.20161362617705,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 356.0,
   "end_distance_m": 406.0,
   "start_elevation_m": 785.5111110742514,
   "end_elevation_m": 795.1119178873399,
   "min_gradient_pct": -3.3552464221702394
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.94551117525441,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 351.0,
   "end_distance_m": 451.0,
   "start_elevation_m": 784.6397011735261,
   "end_elevation_m": 802.5852123487805,
   "min_gradient_pct": -2.3722925644409543
  }
 ],
 "shape": {
  "ascent_concentration": 0.467,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 201.0,
  "shape_class": "stepped"
 },
 "length_m": 768.0114547232622,
 "start_elevation_m": 758.7897928959808,
 "end_elevation_m": 824.1131318896441,
 "endpoint_gain_m": 65.32333899366336,
 "overall_gradient_pct": 8.505516238322427,
 "accumulated_ascent_m": 68.4293599901307,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.969890595854395,
   "start_distance_m": 383.0,
   "end_distance_m": 388.0,
   "midpoint_distance_m": 385.5,
   "start_elevation_m": 790.5119588418565,
   "end_elevation_m": 791.5604533716493,
   "start_xy": [
    2554806.088778936,
    1162569.1001305925
   ],
   "end_xy": [
    2554810.275792077,
    1162566.367197927
   ]
  },
  "max_10m": {
   "gradient_pct": 20.501150045428176,
   "start_distance_m": 380.0,
   "end_distance_m": 390.0,
   "midpoint_distance_m": 385.0,
   "start_elevation_m": 789.8972085878304,
   "end_elevation_m": 791.9473235923732,
   "start_xy": [
    2554803.576571051,
    1162570.7398901915
   ],
   "end_xy": [
    2554811.950597334,
    1162565.2740248612
   ]
  },
  "max_20m": {
   "gradient_pct": 20.19674993738704,
   "start_distance_m": 380.0,
   "end_distance_m": 400.0,
   "midpoint_distance_m": 390.0,
   "start_elevation_m": 789.8972085878304,
   "end_elevation_m": 793.9365585753078,
   "start_xy": [
    2554803.576571051,
    1162570.7398901915
   ],
   "end_xy": [
    2554820.324623617,
    1162559.8081595306
   ]
  },
  "max_25m": {
   "gradient_pct": 20.069906530640765,
   "start_distance_m": 380.0,
   "end_distance_m": 405.0,
   "midpoint_distance_m": 392.5,
   "start_elevation_m": 789.8972085878304,
   "end_elevation_m": 794.9146852204906,
   "start_xy": [
    2554803.576571051,
    1162570.7398901915
   ],
   "end_xy": [
    2554824.503922666,
    1162557.063609825
   ]
  },
  "max_50m": {
   "gradient_pct": 19.20161362617705,
   "start_distance_m": 356.0,
   "end_distance_m": 406.0,
   "midpoint_distance_m": 381.0,
   "start_elevation_m": 785.5111110742514,
   "end_elevation_m": 795.1119178873399,
   "start_xy": [
    2554782.3449780885,
    1162581.8893986393
   ],
   "end_xy": [
    2554825.332591546,
    1162556.5038707003
   ]
  },
  "max_100m": {
   "gradient_pct": 17.94551117525441,
   "start_distance_m": 351.0,
   "end_distance_m": 451.0,
   "midpoint_distance_m": 401.0,
   "start_elevation_m": 784.6397011735261,
   "end_elevation_m": 802.5852123487805,
   "start_xy": [
    2554777.7305255225,
    1162583.8119272303
   ],
   "end_xy": [
    2554857.4314053603,
    1162525.272919839
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.427483570118966,
   "start_distance_m": 299.0,
   "end_distance_m": 304.0,
   "midpoint_distance_m": 301.5,
   "start_elevation_m": 779.2630303901817,
   "end_elevation_m": 778.6916562116758,
   "start_xy": [
    2554735.2001456786,
    1162582.5404759343
   ],
   "end_xy": [
    2554736.1476189317,
    1162587.4498847006
   ]
  },
  "min_10m": {
   "gradient_pct": -7.995496272794753,
   "start_distance_m": 296.0,
   "end_distance_m": 306.0,
   "midpoint_distance_m": 301.0,
   "start_elevation_m": 779.3887752296075,
   "end_elevation_m": 778.589225602328,
   "start_xy": [
    2554734.6316617266,
    1162579.5948306746
   ],
   "end_xy": [
    2554736.526608233,
    1162589.4136482072
   ]
  },
  "min_20m": {
   "gradient_pct": -6.901515853191427,
   "start_distance_m": 209.0,
   "end_distance_m": 229.0,
   "midpoint_distance_m": 219.0,
   "start_elevation_m": 780.8841196021051,
   "end_elevation_m": 779.5038164314668,
   "start_xy": [
    2554692.9426527414,
    1162504.5158486133
   ],
   "end_xy": [
    2554702.9564209967,
    1162521.820556975
   ]
  },
  "min_25m": {
   "gradient_pct": -6.104878400204143,
   "start_distance_m": 208.0,
   "end_distance_m": 233.0,
   "midpoint_distance_m": 220.5,
   "start_elevation_m": 780.9125117675317,
   "end_elevation_m": 779.3862921674806,
   "start_xy": [
    2554692.4488323107,
    1162503.6462847097
   ],
   "end_xy": [
    2554705.2421202813,
    1162525.103174647
   ]
  },
  "min_50m": {
   "gradient_pct": -3.3552464221702394,
   "start_distance_m": 208.0,
   "end_distance_m": 258.0,
   "midpoint_distance_m": 233.0,
   "start_elevation_m": 780.9125117675317,
   "end_elevation_m": 779.2348885564465,
   "start_xy": [
    2554692.4488323107,
    1162503.6462847097
   ],
   "end_xy": [
    2554719.5277408096,
    1162545.6195350974
   ]
  },
  "min_100m": {
   "gradient_pct": -2.3722925644409543,
   "start_distance_m": 208.0,
   "end_distance_m": 308.0,
   "midpoint_distance_m": 258.0,
   "start_elevation_m": 780.9125117675317,
   "end_elevation_m": 778.5402192030907,
   "start_xy": [
    2554692.4488323107,
    1162503.6462847097
   ],
   "end_xy": [
    2554736.9055975345,
    1162591.3774117136
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.426384474744964,
   "start_distance_m": 394.0,
   "end_distance_m": 396.0,
   "midpoint_distance_m": 395.0,
   "start_elevation_m": 792.7325747097258,
   "end_elevation_m": 793.1611023992207,
   "start_xy": [
    2554815.3002078473,
    1162563.0876787289
   ],
   "end_xy": [
    2554816.975013104,
    1162561.994505663
   ]
  },
  "max_3m": {
   "gradient_pct": 21.203266263341902,
   "start_distance_m": 385.0,
   "end_distance_m": 388.0,
   "midpoint_distance_m": 386.5,
   "start_elevation_m": 790.924355383749,
   "end_elevation_m": 791.5604533716493,
   "start_xy": [
    2554807.7635841924,
    1162568.0069575263
   ],
   "end_xy": [
    2554810.275792077,
    1162566.367197927
   ]
  }
 },
 "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": 0.008,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    189.0,
    194.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_2554-1162_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2555-1162_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:08:52+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": [
   "2554-1162",
   "2555-1162"
  ],
  "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": "Rue",
  "county": "Fribourg/Freiburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}