{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0410, 7.7909)",
 "slug": "discovered-lane-47-0410-7-7909",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.26219295826786,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1595.0,
   "end_distance_m": 1597.0,
   "start_elevation_m": 908.061317428044,
   "end_elevation_m": 908.5865612872094,
   "min_gradient_pct": -1.591737069958299
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.374399567416123,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1595.0,
   "end_distance_m": 1598.0,
   "start_elevation_m": 908.061317428044,
   "end_elevation_m": 908.8225494150665,
   "min_gradient_pct": -0.47880732514992513
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.734711963128575,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1595.0,
   "end_distance_m": 1600.0,
   "start_elevation_m": 908.061317428044,
   "end_elevation_m": 909.2980530262005,
   "min_gradient_pct": -0.4753025589798199
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.090315818078807,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1592.0,
   "end_distance_m": 1602.0,
   "start_elevation_m": 907.360580513294,
   "end_elevation_m": 909.7696120951019,
   "min_gradient_pct": -0.25118008784829726
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.93350344058524,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1586.0,
   "end_distance_m": 1606.0,
   "start_elevation_m": 906.0288869292476,
   "end_elevation_m": 910.6155876173647,
   "min_gradient_pct": 0.07484278134086253
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.60541691114031,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1579.0,
   "end_distance_m": 1604.0,
   "start_elevation_m": 904.5441959710117,
   "end_elevation_m": 910.1955501987968,
   "min_gradient_pct": 0.27633255766977527
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.767854837587947,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1559.0,
   "end_distance_m": 1609.0,
   "start_elevation_m": 900.3272285623735,
   "end_elevation_m": 911.2111559811675,
   "min_gradient_pct": 1.8024188410104216
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.752691891559152,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1502.0,
   "end_distance_m": 1602.0,
   "start_elevation_m": 889.0169202035428,
   "end_elevation_m": 909.7696120951019,
   "min_gradient_pct": 3.6716211140753785
  }
 ],
 "shape": {
  "ascent_concentration": 0.336,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 309.0,
  "shape_class": "sustained"
 },
 "length_m": 1633.0498702010798,
 "start_elevation_m": 750.8637364011238,
 "end_elevation_m": 914.2027891855474,
 "endpoint_gain_m": 163.33905278442364,
 "overall_gradient_pct": 10.002086021066305,
 "accumulated_ascent_m": 163.44631686576872,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.734711963128575,
   "start_distance_m": 1595.0,
   "end_distance_m": 1600.0,
   "midpoint_distance_m": 1597.5,
   "start_elevation_m": 908.061317428044,
   "end_elevation_m": 909.2980530262005,
   "start_xy": [
    2627020.847695344,
    1209425.7952894848
   ],
   "end_xy": [
    2627022.5844910885,
    1209421.1066286373
   ]
  },
  "max_10m": {
   "gradient_pct": 24.090315818078807,
   "start_distance_m": 1592.0,
   "end_distance_m": 1602.0,
   "midpoint_distance_m": 1597.0,
   "start_elevation_m": 907.360580513294,
   "end_elevation_m": 909.7696120951019,
   "start_xy": [
    2627019.828907163,
    1209428.6161480267
   ],
   "end_xy": [
    2627023.279209386,
    1209419.2311642983
   ]
  },
  "max_20m": {
   "gradient_pct": 22.93350344058524,
   "start_distance_m": 1586.0,
   "end_distance_m": 1606.0,
   "midpoint_distance_m": 1596.0,
   "start_elevation_m": 906.0288869292476,
   "end_elevation_m": 910.6155876173647,
   "start_xy": [
    2627018.1654278794,
    1209434.380940883
   ],
   "end_xy": [
    2627024.6686459817,
    1209415.4802356204
   ]
  },
  "max_25m": {
   "gradient_pct": 22.60541691114031,
   "start_distance_m": 1579.0,
   "end_distance_m": 1604.0,
   "midpoint_distance_m": 1591.5,
   "start_elevation_m": 904.5441959710117,
   "end_elevation_m": 910.1955501987968,
   "start_xy": [
    2627016.5314809615,
    1209441.1833464315
   ],
   "end_xy": [
    2627023.9739276837,
    1209417.3556999594
   ]
  },
  "max_50m": {
   "gradient_pct": 21.767854837587947,
   "start_distance_m": 1559.0,
   "end_distance_m": 1609.0,
   "midpoint_distance_m": 1584.0,
   "start_elevation_m": 900.3272285623735,
   "end_elevation_m": 911.2111559811675,
   "start_xy": [
    2627013.846839514,
    1209460.9860197094
   ],
   "end_xy": [
    2627025.710723428,
    1209412.667039112
   ]
  },
  "max_100m": {
   "gradient_pct": 20.752691891559152,
   "start_distance_m": 1502.0,
   "end_distance_m": 1602.0,
   "midpoint_distance_m": 1552.0,
   "start_elevation_m": 889.0169202035428,
   "end_elevation_m": 909.7696120951019,
   "start_xy": [
    2627002.7140327375,
    1209516.3770752766
   ],
   "end_xy": [
    2627023.279209386,
    1209419.2311642983
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.4753025589798199,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 750.8637364011238,
   "end_elevation_m": 750.8399712731748,
   "start_xy": [
    2627042.449,
    1210240.957
   ],
   "end_xy": [
    2627037.4647801546,
    1210241.3539288768
   ]
  },
  "min_10m": {
   "gradient_pct": -0.25118008784829726,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 750.8637364011238,
   "end_elevation_m": 750.838618392339,
   "start_xy": [
    2627042.449,
    1210240.957
   ],
   "end_xy": [
    2627032.4805480856,
    1210241.750704231
   ]
  },
  "min_20m": {
   "gradient_pct": 0.07484278134086253,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 750.8637364011238,
   "end_elevation_m": 750.878704957392,
   "start_xy": [
    2627042.449,
    1210240.957
   ],
   "end_xy": [
    2627022.5120839477,
    1210242.5442549393
   ]
  },
  "min_25m": {
   "gradient_pct": 0.27633255766977527,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 750.8637364011238,
   "end_elevation_m": 750.9328195405412,
   "start_xy": [
    2627042.449,
    1210240.957
   ],
   "end_xy": [
    2627017.527506945,
    1210242.9365511087
   ]
  },
  "min_50m": {
   "gradient_pct": 1.8024188410104216,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 750.8637364011238,
   "end_elevation_m": 751.764945821629,
   "start_xy": [
    2627042.449,
    1210240.957
   ],
   "end_xy": [
    2626992.5964334807,
    1210244.7916996002
   ]
  },
  "min_100m": {
   "gradient_pct": 3.6716211140753785,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 750.8637364011238,
   "end_elevation_m": 754.5353575151992,
   "start_xy": [
    2627042.449,
    1210240.957
   ],
   "end_xy": [
    2626942.949133927,
    1210250.2667082557
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.26219295826786,
   "start_distance_m": 1595.0,
   "end_distance_m": 1597.0,
   "midpoint_distance_m": 1596.0,
   "start_elevation_m": 908.061317428044,
   "end_elevation_m": 908.5865612872094,
   "start_xy": [
    2627020.847695344,
    1209425.7952894848
   ],
   "end_xy": [
    2627021.5424136417,
    1209423.9198251457
   ]
  },
  "max_3m": {
   "gradient_pct": 25.374399567416123,
   "start_distance_m": 1595.0,
   "end_distance_m": 1598.0,
   "midpoint_distance_m": 1596.5,
   "start_elevation_m": 908.061317428044,
   "end_elevation_m": 908.8225494150665,
   "start_xy": [
    2627020.847695344,
    1209425.7952894848
   ],
   "end_xy": [
    2627021.8897727905,
    1209422.9820929763
   ]
  }
 },
 "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_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_2626-1209_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2626-1210_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2627-1209_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2627-1210_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T04:39:37+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": [
   "2626-1209",
   "2626-1210",
   "2627-1209",
   "2627-1210"
  ],
  "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": "Sumiswald",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}