{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0071, 7.7883)",
 "slug": "discovered-lane-47-0071-7-7883",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.28804676603204,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 870.0,
   "end_distance_m": 872.0,
   "start_elevation_m": 900.3893535966758,
   "end_elevation_m": 900.7351145319965,
   "min_gradient_pct": -4.121232787485951
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.45070163157243,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 833.0,
   "end_distance_m": 836.0,
   "start_elevation_m": 895.412734061669,
   "end_elevation_m": 895.9062551106161,
   "min_gradient_pct": -3.8493489733317197
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 15.83412615238558,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 874.0,
   "end_distance_m": 879.0,
   "start_elevation_m": 900.9562767980321,
   "end_elevation_m": 901.7479831056514,
   "min_gradient_pct": -3.6712104472485407
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 15.146659868246388,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 877.0,
   "end_distance_m": 887.0,
   "start_elevation_m": 901.4035865461826,
   "end_elevation_m": 902.9182525330073,
   "min_gradient_pct": -3.5644044607010983
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.749995626842747,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 777.0,
   "end_distance_m": 797.0,
   "start_elevation_m": 887.7003867044695,
   "end_elevation_m": 890.650385829838,
   "min_gradient_pct": -3.3313338293618244
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.545798200952959,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 870.0,
   "end_distance_m": 895.0,
   "start_elevation_m": 900.3893535966758,
   "end_elevation_m": 904.0258031469141,
   "min_gradient_pct": -3.080556771766169
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.104006422588554,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 768.0,
   "end_distance_m": 818.0,
   "start_elevation_m": 886.4791040073555,
   "end_elevation_m": 893.5311072186498,
   "min_gradient_pct": -0.2766979098378215
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.74205742413028,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 781.0,
   "end_distance_m": 881.0,
   "start_elevation_m": 888.291747562942,
   "end_elevation_m": 902.0338049870722,
   "min_gradient_pct": 2.2303189733848967
  }
 ],
 "shape": {
  "ascent_concentration": 0.31,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 371.0,
  "shape_class": "sustained"
 },
 "length_m": 1743.6256544883697,
 "start_elevation_m": 803.2785508264217,
 "end_elevation_m": 986.7491552534184,
 "endpoint_gain_m": 183.47060442699672,
 "overall_gradient_pct": 10.52236206520099,
 "accumulated_ascent_m": 184.80894831721412,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 15.83412615238558,
   "start_distance_m": 874.0,
   "end_distance_m": 879.0,
   "midpoint_distance_m": 876.5,
   "start_elevation_m": 900.9562767980321,
   "end_elevation_m": 901.7479831056514,
   "start_xy": [
    2626785.1524947,
    1206222.6592327151
   ],
   "end_xy": [
    2626789.926685516,
    1206221.1736008446
   ]
  },
  "max_10m": {
   "gradient_pct": 15.146659868246388,
   "start_distance_m": 877.0,
   "end_distance_m": 887.0,
   "midpoint_distance_m": 882.0,
   "start_elevation_m": 901.4035865461826,
   "end_elevation_m": 902.9182525330073,
   "start_xy": [
    2626788.0170091894,
    1206221.7678535928
   ],
   "end_xy": [
    2626797.5410493053,
    1206218.7273354237
   ]
  },
  "max_20m": {
   "gradient_pct": 14.749995626842747,
   "start_distance_m": 777.0,
   "end_distance_m": 797.0,
   "midpoint_distance_m": 787.0,
   "start_elevation_m": 887.7003867044695,
   "end_elevation_m": 890.650385829838,
   "start_xy": [
    2626691.2622158877,
    1206239.0978489863
   ],
   "end_xy": [
    2626711.1963174995,
    1206238.9546903023
   ]
  },
  "max_25m": {
   "gradient_pct": 14.545798200952959,
   "start_distance_m": 870.0,
   "end_distance_m": 895.0,
   "midpoint_distance_m": 882.5,
   "start_elevation_m": 900.3893535966758,
   "end_elevation_m": 904.0258031469141,
   "start_xy": [
    2626781.3331420473,
    1206223.8477382115
   ],
   "end_xy": [
    2626804.987151098,
    1206215.8023451508
   ]
  },
  "max_50m": {
   "gradient_pct": 14.104006422588554,
   "start_distance_m": 768.0,
   "end_distance_m": 818.0,
   "midpoint_distance_m": 793.0,
   "start_elevation_m": 886.4791040073555,
   "end_elevation_m": 893.5311072186498,
   "start_xy": [
    2626682.7402141215,
    1206241.9429363587
   ],
   "end_xy": [
    2626732.1122366763,
    1206240.3200478062
   ]
  },
  "max_100m": {
   "gradient_pct": 13.74205742413028,
   "start_distance_m": 781.0,
   "end_distance_m": 881.0,
   "midpoint_distance_m": 831.0,
   "start_elevation_m": 888.291747562942,
   "end_elevation_m": 902.0338049870722,
   "start_xy": [
    2626695.225936077,
    1206238.560334093
   ],
   "end_xy": [
    2626791.836361842,
    1206220.5793480964
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.6712104472485407,
   "start_distance_m": 1729.0,
   "end_distance_m": 1734.0,
   "midpoint_distance_m": 1731.5,
   "start_elevation_m": 987.2371022878644,
   "end_elevation_m": 987.053541765502,
   "start_xy": [
    2627289.517168993,
    1205829.0723469823
   ],
   "end_xy": [
    2627294.4055182207,
    1205830.080063082
   ]
  },
  "min_10m": {
   "gradient_pct": -3.5644044607010983,
   "start_distance_m": 1727.0,
   "end_distance_m": 1737.0,
   "midpoint_distance_m": 1732.0,
   "start_elevation_m": 987.3145488438008,
   "end_elevation_m": 986.9581083977307,
   "start_xy": [
    2627287.6038345806,
    1205828.5018583222
   ],
   "end_xy": [
    2627297.379461345,
    1205830.4615679653
   ]
  },
  "min_20m": {
   "gradient_pct": -3.3313338293618244,
   "start_distance_m": 1722.0,
   "end_distance_m": 1742.0,
   "midpoint_distance_m": 1732.0,
   "start_elevation_m": 987.4638422749681,
   "end_elevation_m": 986.7975755090957,
   "start_xy": [
    2627282.993270051,
    1205826.5672537838
   ],
   "end_xy": [
    2627302.3784585334,
    1205830.516169121
   ]
  },
  "min_25m": {
   "gradient_pct": -3.080556771766169,
   "start_distance_m": 1718.0,
   "end_distance_m": 1743.0,
   "midpoint_distance_m": 1730.5,
   "start_elevation_m": 987.5405124310233,
   "end_elevation_m": 986.7703732380818,
   "start_xy": [
    2627279.4428025032,
    1205824.7448809447
   ],
   "end_xy": [
    2627303.3783890097,
    1205830.504377488
   ]
  },
  "min_50m": {
   "gradient_pct": -0.2766979098378215,
   "start_distance_m": 940.0,
   "end_distance_m": 990.0,
   "midpoint_distance_m": 965.0,
   "start_elevation_m": 907.9591901284605,
   "end_elevation_m": 907.8208411735416,
   "start_xy": [
    2626840.343478234,
    1206189.6483834283
   ],
   "end_xy": [
    2626870.862264011,
    1206150.3596370895
   ]
  },
  "min_100m": {
   "gradient_pct": 2.2303189733848967,
   "start_distance_m": 917.0,
   "end_distance_m": 1017.0,
   "midpoint_distance_m": 967.0,
   "start_elevation_m": 906.6823214579999,
   "end_elevation_m": 908.9126404313848,
   "start_xy": [
    2626824.7172507397,
    1206206.1705270684
   ],
   "end_xy": [
    2626890.6155091356,
    1206131.9669934802
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.28804676603204,
   "start_distance_m": 870.0,
   "end_distance_m": 872.0,
   "midpoint_distance_m": 871.0,
   "start_elevation_m": 900.3893535966758,
   "end_elevation_m": 900.7351145319965,
   "start_xy": [
    2626781.3331420473,
    1206223.8477382115
   ],
   "end_xy": [
    2626783.2428183737,
    1206223.2534854633
   ]
  },
  "max_3m": {
   "gradient_pct": 16.45070163157243,
   "start_distance_m": 833.0,
   "end_distance_m": 836.0,
   "midpoint_distance_m": 834.5,
   "start_elevation_m": 895.412734061669,
   "end_elevation_m": 895.9062551106161,
   "start_xy": [
    2626746.527504641,
    1206236.352711349
   ],
   "end_xy": [
    2626749.3169039255,
    1206235.2485140692
   ]
  }
 },
 "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": [
   "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_2025_2626-1205_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2626-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2627-1205_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2627-1206_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:56:53+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": [
   "2626-1205",
   "2626-1206",
   "2627-1205",
   "2627-1206"
  ],
  "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": "Trachselwald",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}