{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.6413, 7.5324)",
 "slug": "discovered-lane-46-6413-7-5324",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 47.97819872057971,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3088.0,
   "end_distance_m": 3090.0,
   "start_elevation_m": 1048.5668459016274,
   "end_elevation_m": 1049.526409876039,
   "min_gradient_pct": -74.12824009169299,
   "suppressed_max_gradient_pct": 83.10275874347326,
   "suppressed_location_m": [
    1797.0,
    1799.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 42.61349970336141,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 6836.0,
   "end_distance_m": 6839.0,
   "start_elevation_m": 1371.8812722138146,
   "end_elevation_m": 1373.1596772049154,
   "min_gradient_pct": -69.76951302221248,
   "suppressed_max_gradient_pct": 69.0407134531938,
   "suppressed_location_m": [
    1796.0,
    1799.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 36.319229628616085,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 6367.0,
   "end_distance_m": 6372.0,
   "start_elevation_m": 1333.0644157940173,
   "end_elevation_m": 1334.8803772754482,
   "min_gradient_pct": -56.14639809207347,
   "suppressed_max_gradient_pct": 51.08627929281738,
   "suppressed_location_m": [
    1795.0,
    1800.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 34.71078588027467,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 8784.0,
   "end_distance_m": 8794.0,
   "start_elevation_m": 1330.6592552258394,
   "end_elevation_m": 1334.1303338138669,
   "min_gradient_pct": -26.785194939629946,
   "suppressed_max_gradient_pct": 41.38615823993405,
   "suppressed_location_m": [
    1686.0,
    1696.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 34.20928924296277,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 8774.0,
   "end_distance_m": 8794.0,
   "start_elevation_m": 1327.2884759652743,
   "end_elevation_m": 1334.1303338138669,
   "min_gradient_pct": -17.97118571468218,
   "suppressed_max_gradient_pct": 37.19803468382622,
   "suppressed_location_m": [
    1686.0,
    1706.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 33.8598167188793,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 8769.0,
   "end_distance_m": 8794.0,
   "start_elevation_m": 1325.665379634147,
   "end_elevation_m": 1334.1303338138669,
   "min_gradient_pct": -16.632086734114637,
   "suppressed_max_gradient_pct": 34.58096167480562,
   "suppressed_location_m": [
    1684.0,
    1709.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 31.715576779557068,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8761.0,
   "end_distance_m": 8811.0,
   "start_elevation_m": 1323.2114174343762,
   "end_elevation_m": 1339.0692058241548,
   "min_gradient_pct": -14.493877895365586
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 30.444779635981604,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 8636.0,
   "end_distance_m": 8736.0,
   "start_elevation_m": 1287.4733282917305,
   "end_elevation_m": 1317.918107927712,
   "min_gradient_pct": -13.488826469218338
  }
 ],
 "shape": {
  "ascent_concentration": 0.295,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 472.0,
  "shape_class": "sustained"
 },
 "length_m": 9282.488226783695,
 "start_elevation_m": 780.8196644687399,
 "end_elevation_m": 1432.183079894552,
 "endpoint_gain_m": 651.3634154258121,
 "overall_gradient_pct": 7.017120835622155,
 "accumulated_ascent_m": 805.9178391934356,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 36.319229628616085,
   "start_distance_m": 6367.0,
   "end_distance_m": 6372.0,
   "midpoint_distance_m": 6369.5,
   "start_elevation_m": 1333.0644157940173,
   "end_elevation_m": 1334.8803772754482,
   "start_xy": [
    2604888.7201553183,
    1165536.0325908717
   ],
   "end_xy": [
    2604885.064247593,
    1165532.6216769607
   ]
  },
  "max_10m": {
   "gradient_pct": 34.71078588027467,
   "start_distance_m": 8784.0,
   "end_distance_m": 8794.0,
   "midpoint_distance_m": 8789.0,
   "start_elevation_m": 1330.6592552258394,
   "end_elevation_m": 1334.1303338138669,
   "start_xy": [
    2603377.901952853,
    1165039.720812679
   ],
   "end_xy": [
    2603387.809640812,
    1165038.3651968176
   ]
  },
  "max_20m": {
   "gradient_pct": 34.20928924296277,
   "start_distance_m": 8774.0,
   "end_distance_m": 8794.0,
   "midpoint_distance_m": 8784.0,
   "start_elevation_m": 1327.2884759652743,
   "end_elevation_m": 1334.1303338138669,
   "start_xy": [
    2603367.99417661,
    1165041.0757821975
   ],
   "end_xy": [
    2603387.809640812,
    1165038.3651968176
   ]
  },
  "max_25m": {
   "gradient_pct": 33.8598167188793,
   "start_distance_m": 8769.0,
   "end_distance_m": 8794.0,
   "midpoint_distance_m": 8781.5,
   "start_elevation_m": 1325.665379634147,
   "end_elevation_m": 1334.1303338138669,
   "start_xy": [
    2603363.0403556037,
    1165041.7537578137
   ],
   "end_xy": [
    2603387.809640812,
    1165038.3651968176
   ]
  },
  "max_50m": {
   "gradient_pct": 31.715576779557068,
   "start_distance_m": 8761.0,
   "end_distance_m": 8811.0,
   "midpoint_distance_m": 8786.0,
   "start_elevation_m": 1323.2114174343762,
   "end_elevation_m": 1339.0692058241548,
   "start_xy": [
    2603355.1141418205,
    1165042.8377869367
   ],
   "end_xy": [
    2603404.5801608427,
    1165035.5824203459
   ]
  },
  "max_100m": {
   "gradient_pct": 30.444779635981604,
   "start_distance_m": 8636.0,
   "end_distance_m": 8736.0,
   "midpoint_distance_m": 8686.0,
   "start_elevation_m": 1287.4733282917305,
   "end_elevation_m": 1317.918107927712,
   "start_xy": [
    2603230.8299413733,
    1165049.8764036968
   ],
   "end_xy": [
    2603330.3448426607,
    1165046.226248636
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -56.14639809207347,
   "start_distance_m": 6751.0,
   "end_distance_m": 6756.0,
   "midpoint_distance_m": 6753.5,
   "start_elevation_m": 1368.7207643493086,
   "end_elevation_m": 1365.913444444705,
   "start_xy": [
    2604601.9397400245,
    1165532.2995117025
   ],
   "end_xy": [
    2604597.0469699004,
    1165531.2695601222
   ]
  },
  "min_10m": {
   "gradient_pct": -26.785194939629946,
   "start_distance_m": 6749.0,
   "end_distance_m": 6759.0,
   "midpoint_distance_m": 6754.0,
   "start_elevation_m": 1368.8096921605838,
   "end_elevation_m": 1366.1311726666208,
   "start_xy": [
    2604603.896637625,
    1165532.7124901337
   ],
   "end_xy": [
    2604594.111315525,
    1165530.6515526029
   ]
  },
  "min_20m": {
   "gradient_pct": -17.97118571468218,
   "start_distance_m": 6906.0,
   "end_distance_m": 6926.0,
   "midpoint_distance_m": 6916.0,
   "start_elevation_m": 1366.6387985803494,
   "end_elevation_m": 1363.044561437413,
   "start_xy": [
    2604455.201139245,
    1165503.397398329
   ],
   "end_xy": [
    2604435.5730016995,
    1165500.3021473736
   ]
  },
  "min_25m": {
   "gradient_pct": -16.632086734114637,
   "start_distance_m": 6906.0,
   "end_distance_m": 6931.0,
   "midpoint_distance_m": 6918.5,
   "start_elevation_m": 1366.6387985803494,
   "end_elevation_m": 1362.4807768968208,
   "start_xy": [
    2604455.201139245,
    1165503.397398329
   ],
   "end_xy": [
    2604430.710064774,
    1165499.1394605266
   ]
  },
  "min_50m": {
   "gradient_pct": -14.493877895365586,
   "start_distance_m": 6907.0,
   "end_distance_m": 6957.0,
   "midpoint_distance_m": 6932.0,
   "start_elevation_m": 1366.5552209428583,
   "end_elevation_m": 1359.3082819951755,
   "start_xy": [
    2604454.201203191,
    1165503.4086977649
   ],
   "end_xy": [
    2604405.0519333864,
    1165495.5628212339
   ]
  },
  "min_100m": {
   "gradient_pct": -13.488826469218338,
   "start_distance_m": 6907.0,
   "end_distance_m": 7007.0,
   "midpoint_distance_m": 6957.0,
   "start_elevation_m": 1366.5552209428583,
   "end_elevation_m": 1353.06639447364,
   "start_xy": [
    2604454.201203191,
    1165503.4086977649
   ],
   "end_xy": [
    2604356.299517545,
    1165489.9002055263
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 47.97819872057971,
   "start_distance_m": 3088.0,
   "end_distance_m": 3090.0,
   "midpoint_distance_m": 3089.0,
   "start_elevation_m": 1048.5668459016274,
   "end_elevation_m": 1049.526409876039,
   "start_xy": [
    2607433.943987108,
    1165833.8740724353
   ],
   "end_xy": [
    2607434.079930401,
    1165831.8786979353
   ]
  },
  "max_3m": {
   "gradient_pct": 42.61349970336141,
   "start_distance_m": 6836.0,
   "end_distance_m": 6839.0,
   "midpoint_distance_m": 6837.5,
   "start_elevation_m": 1371.8812722138146,
   "end_elevation_m": 1373.1596772049154,
   "start_xy": [
    2604523.512343084,
    1165505.6359332188
   ],
   "end_xy": [
    2604521.1265763543,
    1165503.817111032
   ]
  }
 },
 "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": 0.007,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.008,
   "windows_resited": [
    5.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 5.0,
     "start_m": 6723.0,
     "end_m": 6728.0,
     "raw_pct": 37.05,
     "reason": "short-step"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1689.0,
    1694.0
   ],
   [
    1791.0,
    1801.0
   ],
   [
    6708.0,
    6713.0
   ],
   [
    6721.0,
    6730.0
   ],
   [
    6737.0,
    6742.0
   ],
   [
    6745.0,
    6757.0
   ],
   [
    6828.0,
    6834.0
   ],
   [
    6849.0,
    6854.0
   ],
   [
    8853.0,
    8858.0
   ]
  ],
  "review": [],
  "extent": [
   "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_2603-1165_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2604-1165_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2605-1165_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2605-1166_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2606-1165_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2606-1166_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2606-1167_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2607-1165_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2607-1166_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2607-1167_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T23:50:54+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk03.pbf",
  "osm_snapshot": "",
  "run_id": "texture-ch-ch-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": [
   "2603-1165",
   "2604-1165",
   "2605-1165",
   "2605-1166",
   "2606-1165",
   "2606-1166",
   "2606-1167",
   "2607-1165",
   "2607-1166",
   "2607-1167"
  ],
  "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": "Erlenbach im Simmental",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}