{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.1964, 7.8504)",
 "slug": "discovered-lane-47-1964-7-8504",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.60335904354656,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 495.0,
   "end_distance_m": 497.0,
   "start_elevation_m": 542.3657801657766,
   "end_elevation_m": 542.9378473466476,
   "min_gradient_pct": -100.51114416743587,
   "suppressed_max_gradient_pct": 70.04396751804052,
   "suppressed_location_m": [
    52.0,
    54.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.58241947598587,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 495.0,
   "end_distance_m": 498.0,
   "start_elevation_m": 542.3657801657766,
   "end_elevation_m": 543.1932527500562,
   "min_gradient_pct": -69.83244031764382,
   "suppressed_max_gradient_pct": 68.1203836928584,
   "suppressed_location_m": [
    52.0,
    55.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.556110364354026,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 494.0,
   "end_distance_m": 499.0,
   "start_elevation_m": 542.122048918544,
   "end_elevation_m": 543.4498544367617,
   "min_gradient_pct": -43.20434975491821,
   "suppressed_max_gradient_pct": 41.9046223700434,
   "suppressed_location_m": [
    52.0,
    57.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.128369562139596,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 494.0,
   "end_distance_m": 504.0,
   "start_elevation_m": 542.122048918544,
   "end_elevation_m": 544.634885874758,
   "min_gradient_pct": -24.294922295059678
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.426380231421945,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 467.0,
   "end_distance_m": 487.0,
   "start_elevation_m": 535.7357491631328,
   "end_elevation_m": 540.6210252094172,
   "min_gradient_pct": -15.541606338322254
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.119365693050895,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 473.0,
   "end_distance_m": 498.0,
   "start_elevation_m": 537.1634113267935,
   "end_elevation_m": 543.1932527500562,
   "min_gradient_pct": -14.16986738046353
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.422510919362594,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 456.0,
   "end_distance_m": 506.0,
   "start_elevation_m": 533.3466640752772,
   "end_elevation_m": 545.0579195349585,
   "min_gradient_pct": -9.159868915386824
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.603877937879588,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 434.0,
   "end_distance_m": 534.0,
   "start_elevation_m": 529.2138841489877,
   "end_elevation_m": 550.8177620868673,
   "min_gradient_pct": -0.658772243361966
  }
 ],
 "shape": {
  "ascent_concentration": 0.455,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 259.0,
  "shape_class": "stepped"
 },
 "length_m": 577.9999999997917,
 "start_elevation_m": 497.09738024463,
 "end_elevation_m": 557.2116625419039,
 "endpoint_gain_m": 60.11428229727392,
 "overall_gradient_pct": 10.400394861123802,
 "accumulated_ascent_m": 66.80416886007168,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.556110364354026,
   "start_distance_m": 494.0,
   "end_distance_m": 499.0,
   "midpoint_distance_m": 496.5,
   "start_elevation_m": 542.122048918544,
   "end_elevation_m": 543.4498544367617,
   "start_xy": [
    2631220.279687717,
    1227450.1882186162
   ],
   "end_xy": [
    2631216.4747233316,
    1227446.9444174466
   ]
  },
  "max_10m": {
   "gradient_pct": 25.128369562139596,
   "start_distance_m": 494.0,
   "end_distance_m": 504.0,
   "midpoint_distance_m": 499.0,
   "start_elevation_m": 542.122048918544,
   "end_elevation_m": 544.634885874758,
   "start_xy": [
    2631220.279687717,
    1227450.1882186162
   ],
   "end_xy": [
    2631212.6697589466,
    1227443.700616277
   ]
  },
  "max_20m": {
   "gradient_pct": 24.426380231421945,
   "start_distance_m": 467.0,
   "end_distance_m": 487.0,
   "midpoint_distance_m": 477.0,
   "start_elevation_m": 535.7357491631328,
   "end_elevation_m": 540.6210252094172,
   "start_xy": [
    2631240.826495397,
    1227467.7047449318
   ],
   "end_xy": [
    2631225.606637856,
    1227454.7295402535
   ]
  },
  "max_25m": {
   "gradient_pct": 24.119365693050895,
   "start_distance_m": 473.0,
   "end_distance_m": 498.0,
   "midpoint_distance_m": 485.5,
   "start_elevation_m": 537.1634113267935,
   "end_elevation_m": 543.1932527500562,
   "start_xy": [
    2631236.2605381347,
    1227463.8121835282
   ],
   "end_xy": [
    2631217.235716209,
    1227447.5931776806
   ]
  },
  "max_50m": {
   "gradient_pct": 23.422510919362594,
   "start_distance_m": 456.0,
   "end_distance_m": 506.0,
   "midpoint_distance_m": 481.0,
   "start_elevation_m": 533.3466640752772,
   "end_elevation_m": 545.0579195349585,
   "start_xy": [
    2631249.197725588,
    1227474.840745461
   ],
   "end_xy": [
    2631211.1477731927,
    1227442.4030958093
   ]
  },
  "max_100m": {
   "gradient_pct": 21.603877937879588,
   "start_distance_m": 434.0,
   "end_distance_m": 534.0,
   "midpoint_distance_m": 484.0,
   "start_elevation_m": 529.2138841489877,
   "end_elevation_m": 550.8177620868673,
   "start_xy": [
    2631265.9443811667,
    1227489.1078238909
   ],
   "end_xy": [
    2631189.8399726357,
    1227424.23780926
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -43.20434975491821,
   "start_distance_m": 46.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 48.5,
   "start_elevation_m": 494.68053732012567,
   "end_elevation_m": 492.52031983237976,
   "start_xy": [
    2631576.1996638454,
    1227590.152013856
   ],
   "end_xy": [
    2631571.5378881763,
    1227591.9597327535
   ]
  },
  "min_10m": {
   "gradient_pct": -24.294922295059678,
   "start_distance_m": 41.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 46.0,
   "start_elevation_m": 494.9498120618857,
   "end_elevation_m": 492.52031983237976,
   "start_xy": [
    2631580.8614395144,
    1227588.3442949585
   ],
   "end_xy": [
    2631571.5378881763,
    1227591.9597327535
   ]
  },
  "min_20m": {
   "gradient_pct": -15.541606338322254,
   "start_distance_m": 31.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 41.0,
   "start_elevation_m": 495.6286411000442,
   "end_elevation_m": 492.52031983237976,
   "start_xy": [
    2631590.184990852,
    1227584.7288571638
   ],
   "end_xy": [
    2631571.5378881763,
    1227591.9597327535
   ]
  },
  "min_25m": {
   "gradient_pct": -14.16986738046353,
   "start_distance_m": 26.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 38.5,
   "start_elevation_m": 496.06278667749564,
   "end_elevation_m": 492.52031983237976,
   "start_xy": [
    2631594.846766521,
    1227582.9211382663
   ],
   "end_xy": [
    2631571.5378881763,
    1227591.9597327535
   ]
  },
  "min_50m": {
   "gradient_pct": -9.159868915386824,
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 497.10025429007317,
   "end_elevation_m": 492.52031983237976,
   "start_xy": [
    2631618.155644866,
    1227573.8825437794
   ],
   "end_xy": [
    2631571.5378881763,
    1227591.9597327535
   ]
  },
  "min_100m": {
   "gradient_pct": -0.658772243361966,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 497.09738024463,
   "end_elevation_m": 496.43860800126805,
   "start_xy": [
    2631619.088,
    1227573.521
   ],
   "end_xy": [
    2631522.8453533133,
    1227596.9770269427
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.60335904354656,
   "start_distance_m": 495.0,
   "end_distance_m": 497.0,
   "midpoint_distance_m": 496.0,
   "start_elevation_m": 542.3657801657766,
   "end_elevation_m": 542.9378473466476,
   "start_xy": [
    2631219.51869484,
    1227449.5394583824
   ],
   "end_xy": [
    2631217.996709086,
    1227448.2419379144
   ]
  },
  "max_3m": {
   "gradient_pct": 27.58241947598587,
   "start_distance_m": 495.0,
   "end_distance_m": 498.0,
   "midpoint_distance_m": 496.5,
   "start_elevation_m": 542.3657801657766,
   "end_elevation_m": 543.1932527500562,
   "start_xy": [
    2631219.51869484,
    1227449.5394583824
   ],
   "end_xy": [
    2631217.235716209,
    1227447.5931776806
   ]
  }
 },
 "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": 0.019,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    47.0,
    57.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start",
   "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_2631-1227_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T23:40:45+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": [
   "2631-1227"
  ],
  "route_summit_trim_m": 417.7,
  "route_summit_trim_loss_m": 17.9,
  "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": "Melchnau",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}