{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9884, 7.6260)",
 "slug": "discovered-lane-46-9884-7-6260",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 41.88638546831953,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 130.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 749.25278088144,
   "end_elevation_m": 750.0905085908064,
   "min_gradient_pct": -13.742796106004107,
   "suppressed_max_gradient_pct": 56.54228745243586,
   "suppressed_location_m": [
    125.0,
    127.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.684234541199054,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 129.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 749.0499815545704,
   "end_elevation_m": 750.0905085908064,
   "min_gradient_pct": -13.18314005253948,
   "suppressed_max_gradient_pct": 48.08943586817804,
   "suppressed_location_m": [
    124.0,
    127.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.066070276366645,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 84.0,
   "end_distance_m": 89.0,
   "start_elevation_m": 741.0879659466779,
   "end_elevation_m": 742.6912694604962,
   "min_gradient_pct": -12.818633339904864,
   "suppressed_max_gradient_pct": 37.942547379454936,
   "suppressed_location_m": [
    122.0,
    127.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.330980482180394,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 257.0,
   "end_distance_m": 267.0,
   "start_elevation_m": 768.1996737419997,
   "end_elevation_m": 770.9327717902178,
   "min_gradient_pct": -11.866674117933371,
   "suppressed_max_gradient_pct": 31.11087556054713,
   "suppressed_location_m": [
    122.0,
    132.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.0700904720793,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 257.0,
   "end_distance_m": 277.0,
   "start_elevation_m": 768.1996737419997,
   "end_elevation_m": 773.2136918364156,
   "min_gradient_pct": -10.477734309058064,
   "suppressed_max_gradient_pct": 25.978709467277667,
   "suppressed_location_m": [
    118.0,
    138.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.548708170837017,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 256.0,
   "end_distance_m": 281.0,
   "start_elevation_m": 767.9743755781011,
   "end_elevation_m": 774.1115526208104,
   "min_gradient_pct": -10.092164062452412,
   "suppressed_max_gradient_pct": 24.87171783546637,
   "suppressed_location_m": [
    119.0,
    144.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.08140342317529,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 257.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 768.1996737419997,
   "end_elevation_m": 779.7403754535874,
   "min_gradient_pct": -5.0577440465672225
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.54948775320861,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 256.0,
   "end_distance_m": 356.0,
   "start_elevation_m": 767.9743755781011,
   "end_elevation_m": 790.5238633313097,
   "min_gradient_pct": 2.4550467406733105
  }
 ],
 "shape": {
  "ascent_concentration": 0.363,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 194.0,
  "shape_class": "sustained"
 },
 "length_m": 514.450797926299,
 "start_elevation_m": 728.3608240661629,
 "end_elevation_m": 805.1481827480629,
 "endpoint_gain_m": 76.78735868190006,
 "overall_gradient_pct": 14.926084086451498,
 "accumulated_ascent_m": 80.29900879625461,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.066070276366645,
   "start_distance_m": 84.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 86.5,
   "start_elevation_m": 741.0879659466779,
   "end_elevation_m": 742.6912694604962,
   "start_xy": [
    2614241.9060413,
    1204383.3760006505
   ],
   "end_xy": [
    2614238.966175688,
    1204379.3315983233
   ]
  },
  "max_10m": {
   "gradient_pct": 27.330980482180394,
   "start_distance_m": 257.0,
   "end_distance_m": 267.0,
   "midpoint_distance_m": 262.0,
   "start_elevation_m": 768.1996737419997,
   "end_elevation_m": 770.9327717902178,
   "start_xy": [
    2614165.357622494,
    1204233.101086187
   ],
   "end_xy": [
    2614169.5437253173,
    1204224.0678545085
   ]
  },
  "max_20m": {
   "gradient_pct": 25.0700904720793,
   "start_distance_m": 257.0,
   "end_distance_m": 277.0,
   "midpoint_distance_m": 267.0,
   "start_elevation_m": 768.1996737419997,
   "end_elevation_m": 773.2136918364156,
   "start_xy": [
    2614165.357622494,
    1204233.101086187
   ],
   "end_xy": [
    2614176.619770321,
    1204217.0367367468
   ]
  },
  "max_25m": {
   "gradient_pct": 24.548708170837017,
   "start_distance_m": 256.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 268.5,
   "start_elevation_m": 767.9743755781011,
   "end_elevation_m": 774.1115526208104,
   "start_xy": [
    2614165.031235772,
    1204234.0463225106
   ],
   "end_xy": [
    2614179.833321294,
    1204214.6641743684
   ]
  },
  "max_50m": {
   "gradient_pct": 23.08140342317529,
   "start_distance_m": 257.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 282.0,
   "start_elevation_m": 768.1996737419997,
   "end_elevation_m": 779.7403754535874,
   "start_xy": [
    2614165.357622494,
    1204233.101086187
   ],
   "end_xy": [
    2614202.137110112,
    1204201.3041435902
   ]
  },
  "max_100m": {
   "gradient_pct": 22.54948775320861,
   "start_distance_m": 256.0,
   "end_distance_m": 356.0,
   "midpoint_distance_m": 306.0,
   "start_elevation_m": 767.9743755781011,
   "end_elevation_m": 790.5238633313097,
   "start_xy": [
    2614165.031235772,
    1204234.0463225106
   ],
   "end_xy": [
    2614242.7127923635,
    1204173.8506531825
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.818633339904864,
   "start_distance_m": 498.0,
   "end_distance_m": 503.0,
   "midpoint_distance_m": 500.5,
   "start_elevation_m": 806.825145203959,
   "end_elevation_m": 806.1842135369637,
   "start_xy": [
    2614330.340092333,
    1204171.631139085
   ],
   "end_xy": [
    2614328.2779414523,
    1204176.1860851594
   ]
  },
  "min_10m": {
   "gradient_pct": -11.866674117933371,
   "start_distance_m": 495.0,
   "end_distance_m": 505.0,
   "midpoint_distance_m": 500.0,
   "start_elevation_m": 807.1627487153768,
   "end_elevation_m": 805.9760813035834,
   "start_xy": [
    2614331.497205383,
    1204168.8662693675
   ],
   "end_xy": [
    2614327.3768717884,
    1204177.9715908137
   ]
  },
  "min_20m": {
   "gradient_pct": -10.477734309058064,
   "start_distance_m": 485.0,
   "end_distance_m": 505.0,
   "midpoint_distance_m": 495.0,
   "start_elevation_m": 808.071628165395,
   "end_elevation_m": 805.9760813035834,
   "start_xy": [
    2614330.933831017,
    1204159.1522277587
   ],
   "end_xy": [
    2614327.3768717884,
    1204177.9715908137
   ]
  },
  "min_25m": {
   "gradient_pct": -10.092164062452412,
   "start_distance_m": 489.0,
   "end_distance_m": 514.0,
   "midpoint_distance_m": 501.5,
   "start_elevation_m": 807.7188844944778,
   "end_elevation_m": 805.1958434788647,
   "start_xy": [
    2614332.017322919,
    1204163.0001262263
   ],
   "end_xy": [
    2614319.583164073,
    1204181.712971168
   ]
  },
  "min_50m": {
   "gradient_pct": -5.0577440465672225,
   "start_distance_m": 464.0,
   "end_distance_m": 514.0,
   "midpoint_distance_m": 489.0,
   "start_elevation_m": 807.7247155021483,
   "end_elevation_m": 805.1958434788647,
   "start_xy": [
    2614319.2714467836,
    1204141.8754432306
   ],
   "end_xy": [
    2614319.583164073,
    1204181.712971168
   ]
  },
  "min_100m": {
   "gradient_pct": 2.4550467406733105,
   "start_distance_m": 414.0,
   "end_distance_m": 514.0,
   "midpoint_distance_m": 464.0,
   "start_elevation_m": 802.7407967381914,
   "end_elevation_m": 805.1958434788647,
   "start_xy": [
    2614278.005138841,
    1204128.677472039
   ],
   "end_xy": [
    2614319.583164073,
    1204181.712971168
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 41.88638546831953,
   "start_distance_m": 130.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 749.25278088144,
   "end_elevation_m": 750.0905085908064,
   "start_xy": [
    2614214.859277671,
    1204346.1674992398
   ],
   "end_xy": [
    2614213.6833314267,
    1204344.5497383089
   ]
  },
  "max_3m": {
   "gradient_pct": 34.684234541199054,
   "start_distance_m": 129.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 130.5,
   "start_elevation_m": 749.0499815545704,
   "end_elevation_m": 750.0905085908064,
   "start_xy": [
    2614215.4472507937,
    1204346.9763797054
   ],
   "end_xy": [
    2614213.6833314267,
    1204344.5497383089
   ]
  }
 },
 "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": 0.012,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    123.0,
    128.0
   ]
  ],
  "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_2025_2614-1204_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:35:23+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": [
   "2614-1204"
  ],
  "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": "Hasle bei Burgdorf",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}