{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0663, 7.9193)",
 "slug": "discovered-lane-47-0663-7-9193",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 29.40772726526575,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 937.0,
   "end_distance_m": 939.0,
   "start_elevation_m": 860.2849678296247,
   "end_elevation_m": 860.8731223749301,
   "min_gradient_pct": -11.807118912292935
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.1386442528742,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 936.0,
   "end_distance_m": 939.0,
   "start_elevation_m": 860.0289630473438,
   "end_elevation_m": 860.8731223749301,
   "min_gradient_pct": -11.460440485685316
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.349353486586097,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 933.0,
   "end_distance_m": 938.0,
   "start_elevation_m": 859.2074974716859,
   "end_elevation_m": 860.5749651460152,
   "min_gradient_pct": -11.091043481219458
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.537558706604614,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 931.0,
   "end_distance_m": 941.0,
   "start_elevation_m": 858.6735681435091,
   "end_elevation_m": 861.3273240141696,
   "min_gradient_pct": -10.302479987249171
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.248527416482602,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 925.0,
   "end_distance_m": 945.0,
   "start_elevation_m": 857.2633112391615,
   "end_elevation_m": 862.313016722458,
   "min_gradient_pct": -9.149315315236208
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.896842058034053,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 919.0,
   "end_distance_m": 944.0,
   "start_elevation_m": 855.8252108302997,
   "end_elevation_m": 862.0494213448083,
   "min_gradient_pct": -8.413720943853605
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.694197324049355,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 899.0,
   "end_distance_m": 949.0,
   "start_elevation_m": 851.3904623424472,
   "end_elevation_m": 863.2375610044719,
   "min_gradient_pct": -6.233446019230314
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.689393967976116,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 899.0,
   "end_distance_m": 999.0,
   "start_elevation_m": 851.3904623424472,
   "end_elevation_m": 873.0798563104233,
   "min_gradient_pct": -1.5535684217695689
  }
 ],
 "shape": {
  "ascent_concentration": 0.414,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 495.0,
  "shape_class": "sustained"
 },
 "length_m": 1358.9939997761483,
 "start_elevation_m": 744.6615840393046,
 "end_elevation_m": 889.0151388149494,
 "endpoint_gain_m": 144.35355477564485,
 "overall_gradient_pct": 10.622089192404276,
 "accumulated_ascent_m": 149.7740847369355,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.349353486586097,
   "start_distance_m": 933.0,
   "end_distance_m": 938.0,
   "midpoint_distance_m": 935.5,
   "start_elevation_m": 859.2074974716859,
   "end_elevation_m": 860.5749651460152,
   "start_xy": [
    2637029.2042339006,
    1212995.6325799555
   ],
   "end_xy": [
    2637034.1963098473,
    1212995.4893576552
   ]
  },
  "max_10m": {
   "gradient_pct": 26.537558706604614,
   "start_distance_m": 931.0,
   "end_distance_m": 941.0,
   "midpoint_distance_m": 936.0,
   "start_elevation_m": 858.6735681435091,
   "end_elevation_m": 861.3273240141696,
   "start_xy": [
    2637027.206883686,
    1212995.7354979862
   ],
   "end_xy": [
    2637037.188040483,
    1212995.7119510146
   ]
  },
  "max_20m": {
   "gradient_pct": 25.248527416482602,
   "start_distance_m": 925.0,
   "end_distance_m": 945.0,
   "midpoint_distance_m": 935.0,
   "start_elevation_m": 857.2633112391615,
   "end_elevation_m": 862.313016722458,
   "start_xy": [
    2637021.214833043,
    1212996.0442520785
   ],
   "end_xy": [
    2637041.1091956357,
    1212996.4656968396
   ]
  },
  "max_25m": {
   "gradient_pct": 24.896842058034053,
   "start_distance_m": 919.0,
   "end_distance_m": 944.0,
   "midpoint_distance_m": 931.5,
   "start_elevation_m": 855.8252108302997,
   "end_elevation_m": 862.0494213448083,
   "start_xy": [
    2637015.2167956703,
    1212996.0883290553
   ],
   "end_xy": [
    2637040.133388469,
    1212996.2470638752
   ]
  },
  "max_50m": {
   "gradient_pct": 23.694197324049355,
   "start_distance_m": 899.0,
   "end_distance_m": 949.0,
   "midpoint_distance_m": 924.0,
   "start_elevation_m": 851.3904623424472,
   "end_elevation_m": 863.2375610044719,
   "start_xy": [
    2636995.906370107,
    1212991.4778384757
   ],
   "end_xy": [
    2637044.9423133945,
    1212997.592129726
   ]
  },
  "max_100m": {
   "gradient_pct": 21.689393967976116,
   "start_distance_m": 899.0,
   "end_distance_m": 999.0,
   "midpoint_distance_m": 949.0,
   "start_elevation_m": 851.3904623424472,
   "end_elevation_m": 873.0798563104233,
   "start_xy": [
    2636995.906370107,
    1212991.4778384757
   ],
   "end_xy": [
    2637087.033928442,
    1213022.7224335992
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -11.091043481219458,
   "start_distance_m": 1310.0,
   "end_distance_m": 1315.0,
   "midpoint_distance_m": 1312.5,
   "start_elevation_m": 891.6448303326338,
   "end_elevation_m": 891.0902781585728,
   "start_xy": [
    2637224.385632437,
    1212814.1246321904
   ],
   "end_xy": [
    2637224.816310196,
    1212809.1472135608
   ]
  },
  "min_10m": {
   "gradient_pct": -10.302479987249171,
   "start_distance_m": 1307.0,
   "end_distance_m": 1317.0,
   "midpoint_distance_m": 1312.0,
   "start_elevation_m": 891.921607168424,
   "end_elevation_m": 890.8913591696991,
   "start_xy": [
    2637224.299336649,
    1212817.118665234
   ],
   "end_xy": [
    2637225.134592051,
    1212807.1727018082
   ]
  },
  "min_20m": {
   "gradient_pct": -9.149315315236208,
   "start_distance_m": 1303.0,
   "end_distance_m": 1323.0,
   "midpoint_distance_m": 1313.0,
   "start_elevation_m": 892.2549027283596,
   "end_elevation_m": 890.4250396653124,
   "start_xy": [
    2637224.535589185,
    1212821.111682231
   ],
   "end_xy": [
    2637226.0894376147,
    1212801.2491665506
   ]
  },
  "min_25m": {
   "gradient_pct": -8.413720943853605,
   "start_distance_m": 1303.0,
   "end_distance_m": 1328.0,
   "midpoint_distance_m": 1315.5,
   "start_elevation_m": 892.2549027283596,
   "end_elevation_m": 890.1514724923962,
   "start_xy": [
    2637224.535589185,
    1212821.111682231
   ],
   "end_xy": [
    2637227.0499306927,
    1212796.349563151
   ]
  },
  "min_50m": {
   "gradient_pct": -6.233446019230314,
   "start_distance_m": 1298.0,
   "end_distance_m": 1348.0,
   "midpoint_distance_m": 1323.0,
   "start_elevation_m": 892.449641758473,
   "end_elevation_m": 889.3329187488579,
   "start_xy": [
    2637225.3181369556,
    1212826.033623089
   ],
   "end_xy": [
    2637237.5829667244,
    1212780.2105106325
   ]
  },
  "min_100m": {
   "gradient_pct": -1.5535684217695689,
   "start_distance_m": 1019.0,
   "end_distance_m": 1119.0,
   "midpoint_distance_m": 1069.0,
   "start_elevation_m": 876.2202503855713,
   "end_elevation_m": 874.6666819638017,
   "start_xy": [
    2637100.326594432,
    1213037.6347459336
   ],
   "end_xy": [
    2637165.2473005457,
    1212978.5940270575
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 29.40772726526575,
   "start_distance_m": 937.0,
   "end_distance_m": 939.0,
   "midpoint_distance_m": 938.0,
   "start_elevation_m": 860.2849678296247,
   "end_elevation_m": 860.8731223749301,
   "start_xy": [
    2637033.1989343297,
    1212995.426743894
   ],
   "end_xy": [
    2637035.1935533923,
    1212995.5635554416
   ]
  },
  "max_3m": {
   "gradient_pct": 28.1386442528742,
   "start_distance_m": 936.0,
   "end_distance_m": 939.0,
   "midpoint_distance_m": 937.5,
   "start_elevation_m": 860.0289630473438,
   "end_elevation_m": 860.8731223749301,
   "start_xy": [
    2637032.200259222,
    1212995.4782029092
   ],
   "end_xy": [
    2637035.1935533923,
    1212995.5635554416
   ]
  }
 },
 "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_start_earlier",
   "descends_at_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_2022_2636-1212_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2636-1213_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2637-1212_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2637-1213_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:18:10+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": [
   "2636-1212",
   "2636-1213",
   "2637-1212",
   "2637-1213"
  ],
  "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": "Luthern",
  "county": "Luzern",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}