{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0331, 8.7878)",
 "slug": "discovered-lane-47-0331-8-7878",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 21.242506766441238,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 294.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 1165.5675549126674,
   "end_elevation_m": 1165.9924050479963,
   "min_gradient_pct": -21.972177588475006,
   "suppressed_max_gradient_pct": 65.91611676100229,
   "suppressed_location_m": [
    1515.0,
    1517.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 20.612779466341635,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 293.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 1165.374021664006,
   "end_elevation_m": 1165.9924050479963,
   "min_gradient_pct": -12.002799224425567,
   "suppressed_max_gradient_pct": 59.159591235781285,
   "suppressed_location_m": [
    1514.0,
    1517.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.544571261643796,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 291.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 1164.965176484914,
   "end_elevation_m": 1165.9924050479963,
   "min_gradient_pct": -4.028115879082179,
   "suppressed_max_gradient_pct": 57.81680419125678,
   "suppressed_location_m": [
    1511.0,
    1516.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.720678854009748,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 287.0,
   "end_distance_m": 297.0,
   "start_elevation_m": 1164.2129328256415,
   "end_elevation_m": 1166.1850007110424,
   "min_gradient_pct": 2.225202796078065,
   "suppressed_max_gradient_pct": 53.66097844268779,
   "suppressed_location_m": [
    1507.0,
    1517.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.07986715348079,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 282.0,
   "end_distance_m": 302.0,
   "start_elevation_m": 1163.4310354115366,
   "end_elevation_m": 1167.0470088422328,
   "min_gradient_pct": 3.3123530237753585,
   "suppressed_max_gradient_pct": 37.489908203266396,
   "suppressed_location_m": [
    1498.0,
    1518.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.545989216203452,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 392.0,
   "end_distance_m": 417.0,
   "start_elevation_m": 1179.1540839123911,
   "end_elevation_m": 1183.540581216442,
   "min_gradient_pct": 3.4953923824987214,
   "suppressed_max_gradient_pct": 32.73643104954954,
   "suppressed_location_m": [
    1503.0,
    1528.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.32408101703868,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 392.0,
   "end_distance_m": 442.0,
   "start_elevation_m": 1179.1540839123911,
   "end_elevation_m": 1187.3161244209105,
   "min_gradient_pct": 4.00164988845836,
   "suppressed_max_gradient_pct": 21.246003710049536,
   "suppressed_location_m": [
    1481.0,
    1531.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.285124294169918,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 635.0,
   "end_distance_m": 735.0,
   "start_elevation_m": 1209.87857245169,
   "end_elevation_m": 1225.1636967458599,
   "min_gradient_pct": 6.182077551891098,
   "suppressed_max_gradient_pct": 15.727776826526224,
   "suppressed_location_m": [
    1431.0,
    1531.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.287,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 486.0,
  "shape_class": "sustained"
 },
 "length_m": 1534.79610883619,
 "start_elevation_m": 1127.622030668947,
 "end_elevation_m": 1318.5814152930593,
 "endpoint_gain_m": 190.95938462411232,
 "overall_gradient_pct": 12.442003437766962,
 "accumulated_ascent_m": 191.95049321382226,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.544571261643796,
   "start_distance_m": 291.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 293.5,
   "start_elevation_m": 1164.965176484914,
   "end_elevation_m": 1165.9924050479963,
   "start_xy": [
    2702524.0217171498,
    1210415.988908894
   ],
   "end_xy": [
    2702524.2830476766,
    1210411.0440494653
   ]
  },
  "max_10m": {
   "gradient_pct": 19.720678854009748,
   "start_distance_m": 287.0,
   "end_distance_m": 297.0,
   "midpoint_distance_m": 292.0,
   "start_elevation_m": 1164.2129328256415,
   "end_elevation_m": 1166.1850007110424,
   "start_xy": [
    2702522.199765769,
    1210419.53416689
   ],
   "end_xy": [
    2702524.058235983,
    1210410.070401227
   ]
  },
  "max_20m": {
   "gradient_pct": 18.07986715348079,
   "start_distance_m": 282.0,
   "end_distance_m": 302.0,
   "midpoint_distance_m": 292.0,
   "start_elevation_m": 1163.4310354115366,
   "end_elevation_m": 1167.0470088422328,
   "start_xy": [
    2702518.7721515493,
    1210423.1501203654
   ],
   "end_xy": [
    2702521.598247015,
    1210405.770894411
   ]
  },
  "max_25m": {
   "gradient_pct": 17.545989216203452,
   "start_distance_m": 392.0,
   "end_distance_m": 417.0,
   "midpoint_distance_m": 404.5,
   "start_elevation_m": 1179.1540839123911,
   "end_elevation_m": 1183.540581216442,
   "start_xy": [
    2702455.3201423995,
    1210345.9693821203
   ],
   "end_xy": [
    2702462.694472336,
    1210326.7570624298
   ]
  },
  "max_50m": {
   "gradient_pct": 16.32408101703868,
   "start_distance_m": 392.0,
   "end_distance_m": 442.0,
   "midpoint_distance_m": 417.0,
   "start_elevation_m": 1179.1540839123911,
   "end_elevation_m": 1187.3161244209105,
   "start_xy": [
    2702455.3201423995,
    1210345.9693821203
   ],
   "end_xy": [
    2702486.927008452,
    1210320.701443035
   ]
  },
  "max_100m": {
   "gradient_pct": 15.285124294169918,
   "start_distance_m": 635.0,
   "end_distance_m": 735.0,
   "midpoint_distance_m": 685.0,
   "start_elevation_m": 1209.87857245169,
   "end_elevation_m": 1225.1636967458599,
   "start_xy": [
    2702474.204366623,
    1210201.692129225
   ],
   "end_xy": [
    2702463.5050845947,
    1210103.2437457826
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.028115879082179,
   "start_distance_m": 1328.0,
   "end_distance_m": 1333.0,
   "midpoint_distance_m": 1330.5,
   "start_elevation_m": 1292.4151254116782,
   "end_elevation_m": 1292.213719617724,
   "start_xy": [
    2702718.468436965,
    1210070.604589424
   ],
   "end_xy": [
    2702723.0154846846,
    1210072.6644316716
   ]
  },
  "min_10m": {
   "gradient_pct": 2.225202796078065,
   "start_distance_m": 21.0,
   "end_distance_m": 31.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 1130.1591512554235,
   "end_elevation_m": 1130.3816715350313,
   "start_xy": [
    2702443.7889823434,
    1210625.8166607902
   ],
   "end_xy": [
    2702449.2033697413,
    1210624.7717087904
   ]
  },
  "min_20m": {
   "gradient_pct": 3.3123530237753585,
   "start_distance_m": 977.0,
   "end_distance_m": 997.0,
   "midpoint_distance_m": 987.0,
   "start_elevation_m": 1257.6600091151715,
   "end_elevation_m": 1258.3224797199266,
   "start_xy": [
    2702418.931164509,
    1209920.2108237674
   ],
   "end_xy": [
    2702437.390831535,
    1209927.582612389
   ]
  },
  "min_25m": {
   "gradient_pct": 3.4953923824987214,
   "start_distance_m": 975.0,
   "end_distance_m": 1000.0,
   "midpoint_distance_m": 987.5,
   "start_elevation_m": 1257.5730889496847,
   "end_elevation_m": 1258.4469370453094,
   "start_xy": [
    2702416.947611234,
    1209919.963091767
   ],
   "end_xy": [
    2702439.92683018,
    1209929.1801122788
   ]
  },
  "min_50m": {
   "gradient_pct": 4.00164988845836,
   "start_distance_m": 952.0,
   "end_distance_m": 1002.0,
   "midpoint_distance_m": 977.0,
   "start_elevation_m": 1256.5585409463306,
   "end_elevation_m": 1258.5593658905598,
   "start_xy": [
    2702394.1808520337,
    1209922.5540630443
   ],
   "end_xy": [
    2702441.522981449,
    1209930.3852265838
   ]
  },
  "min_100m": {
   "gradient_pct": 6.182077551891098,
   "start_distance_m": 937.0,
   "end_distance_m": 1037.0,
   "midpoint_distance_m": 987.0,
   "start_elevation_m": 1255.605495016637,
   "end_elevation_m": 1261.787572568528,
   "start_xy": [
    2702381.0592394257,
    1209928.7345303688
   ],
   "end_xy": [
    2702466.262494357,
    1209955.062845482
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 21.242506766441238,
   "start_distance_m": 294.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 295.0,
   "start_elevation_m": 1165.5675549126674,
   "end_elevation_m": 1165.9924050479963,
   "start_xy": [
    2702524.477193919,
    1210413.033183033
   ],
   "end_xy": [
    2702524.2830476766,
    1210411.0440494653
   ]
  },
  "max_3m": {
   "gradient_pct": 20.612779466341635,
   "start_distance_m": 293.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 294.5,
   "start_elevation_m": 1165.374021664006,
   "end_elevation_m": 1165.9924050479963,
   "start_xy": [
    2702524.4051832817,
    1210414.0294793735
   ],
   "end_xy": [
    2702524.2830476766,
    1210411.0440494653
   ]
  }
 },
 "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": 0.011,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.029,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 10.0,
     "start_m": 1498.0,
     "end_m": 1508.0,
     "raw_pct": 23.38,
     "reason": "mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 1503.0,
     "end_m": 1508.0,
     "raw_pct": 37.51,
     "reason": "mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 1521.0,
     "end_m": 1531.0,
     "raw_pct": 20.34,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1331.0,
    1336.0
   ],
   [
    1496.0,
    1533.0
   ]
  ],
  "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_2019_2702-1209_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2702-1210_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-12T01:29:34+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk04.pbf",
  "osm_snapshot": "",
  "run_id": "texture-ch-ch-260912",
  "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": [
   "2702-1209",
   "2702-1210"
  ],
  "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": "Oberiberg",
  "county": "Schwyz",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}