{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7893, 6.8269)",
 "slug": "discovered-lane-46-7893-6-8269",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.748990125295677,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 219.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 563.3293277932592,
   "end_elevation_m": 563.8043075957651,
   "min_gradient_pct": -2.6103169488294498
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.318857927408015,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 218.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 563.1047418579428,
   "end_elevation_m": 563.8043075957651,
   "min_gradient_pct": -2.226041317377773
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.92565802847821,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 217.0,
   "end_distance_m": 222.0,
   "start_elevation_m": 562.9324986772526,
   "end_elevation_m": 563.9287815786765,
   "min_gradient_pct": -1.4578867580348742
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 15.620210581982974,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 212.0,
   "end_distance_m": 222.0,
   "start_elevation_m": 562.3667605204782,
   "end_elevation_m": 563.9287815786765,
   "min_gradient_pct": -0.5921932701130572
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.801299095378226,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 159.0,
   "end_distance_m": 179.0,
   "start_elevation_m": 555.0823743186393,
   "end_elevation_m": 558.0426341377149,
   "min_gradient_pct": 0.1293384147533061
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.704422027533383,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 160.0,
   "end_distance_m": 185.0,
   "start_elevation_m": 555.22833122046,
   "end_elevation_m": 558.9044367273433,
   "min_gradient_pct": 0.4354266781356273
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.17792344099098,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 154.0,
   "end_distance_m": 204.0,
   "start_elevation_m": 554.366561030329,
   "end_elevation_m": 561.4555227508245,
   "min_gradient_pct": 1.2869204184810314
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.035593443158405,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 135.0,
   "end_distance_m": 235.0,
   "start_elevation_m": 552.1928101299882,
   "end_elevation_m": 565.2284035731466,
   "min_gradient_pct": 3.415520234704445
  }
 ],
 "shape": {
  "ascent_concentration": 0.398,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 95.0,
  "shape_class": "sustained"
 },
 "length_m": 516.4107142323223,
 "start_elevation_m": 546.1380086386664,
 "end_elevation_m": 587.0786512939773,
 "endpoint_gain_m": 40.94064265531085,
 "overall_gradient_pct": 7.927922780644035,
 "accumulated_ascent_m": 41.30749387514811,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.92565802847821,
   "start_distance_m": 217.0,
   "end_distance_m": 222.0,
   "midpoint_distance_m": 219.5,
   "start_elevation_m": 562.9324986772526,
   "end_elevation_m": 563.9287815786765,
   "start_xy": [
    2553288.122177769,
    1182274.529204744
   ],
   "end_xy": [
    2553290.114710685,
    1182270.1335031458
   ]
  },
  "max_10m": {
   "gradient_pct": 15.620210581982974,
   "start_distance_m": 212.0,
   "end_distance_m": 222.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 562.3667605204782,
   "end_elevation_m": 563.9287815786765,
   "start_xy": [
    2553286.7349366653,
    1182279.1219468857
   ],
   "end_xy": [
    2553290.114710685,
    1182270.1335031458
   ]
  },
  "max_20m": {
   "gradient_pct": 14.801299095378226,
   "start_distance_m": 159.0,
   "end_distance_m": 179.0,
   "midpoint_distance_m": 169.0,
   "start_elevation_m": 555.0823743186393,
   "end_elevation_m": 558.0426341377149,
   "start_xy": [
    2553282.184290315,
    1182331.8889604
   ],
   "end_xy": [
    2553284.6591567025,
    1182312.0434674078
   ]
  },
  "max_25m": {
   "gradient_pct": 14.704422027533383,
   "start_distance_m": 160.0,
   "end_distance_m": 185.0,
   "midpoint_distance_m": 172.5,
   "start_elevation_m": 555.22833122046,
   "end_elevation_m": 558.9044367273433,
   "start_xy": [
    2553282.314151202,
    1182330.8977225306
   ],
   "end_xy": [
    2553285.209280269,
    1182306.069463562
   ]
  },
  "max_50m": {
   "gradient_pct": 14.17792344099098,
   "start_distance_m": 154.0,
   "end_distance_m": 204.0,
   "midpoint_distance_m": 179.0,
   "start_elevation_m": 554.366561030329,
   "end_elevation_m": 561.4555227508245,
   "start_xy": [
    2553281.3349707657,
    1182336.8162980485
   ],
   "end_xy": [
    2553286.5803690758,
    1182287.12045355
   ]
  },
  "max_100m": {
   "gradient_pct": 13.035593443158405,
   "start_distance_m": 135.0,
   "end_distance_m": 235.0,
   "midpoint_distance_m": 185.0,
   "start_elevation_m": 552.1928101299882,
   "end_elevation_m": 565.2284035731466,
   "start_xy": [
    2553276.872656021,
    1182355.2710906698
   ],
   "end_xy": [
    2553290.1710043717,
    1182257.1336250806
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.4578867580348742,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 546.1380086386664,
   "end_elevation_m": 546.0651143007647,
   "start_xy": [
    2553201.446,
    1182460.272
   ],
   "end_xy": [
    2553205.6151545467,
    1182457.5119002978
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5921932701130572,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 546.1380086386664,
   "end_elevation_m": 546.0787893116551,
   "start_xy": [
    2553201.446,
    1182460.272
   ],
   "end_xy": [
    2553209.785067954,
    1182454.7529472052
   ]
  },
  "min_20m": {
   "gradient_pct": 0.1293384147533061,
   "start_distance_m": 383.0,
   "end_distance_m": 403.0,
   "midpoint_distance_m": 393.0,
   "start_elevation_m": 579.4997527253079,
   "end_elevation_m": 579.5256204082585,
   "start_xy": [
    2553356.1758820796,
    1182134.464502663
   ],
   "end_xy": [
    2553370.723661215,
    1182120.9350572333
   ]
  },
  "min_25m": {
   "gradient_pct": 0.4354266781356273,
   "start_distance_m": 378.0,
   "end_distance_m": 403.0,
   "midpoint_distance_m": 390.5,
   "start_elevation_m": 579.4167637387246,
   "end_elevation_m": 579.5256204082585,
   "start_xy": [
    2553352.6727361935,
    1182138.0321305722
   ],
   "end_xy": [
    2553370.723661215,
    1182120.9350572333
   ]
  },
  "min_50m": {
   "gradient_pct": 1.2869204184810314,
   "start_distance_m": 373.0,
   "end_distance_m": 423.0,
   "midpoint_distance_m": 398.0,
   "start_elevation_m": 579.3144272210662,
   "end_elevation_m": 579.9578874303068,
   "start_xy": [
    2553349.1696002227,
    1182141.5997682181
   ],
   "end_xy": [
    2553390.0852875784,
    1182117.5269599517
   ]
  },
  "min_100m": {
   "gradient_pct": 3.415520234704445,
   "start_distance_m": 363.0,
   "end_distance_m": 463.0,
   "midpoint_distance_m": 413.0,
   "start_elevation_m": 578.9207340873162,
   "end_elevation_m": 582.3362543220206,
   "start_xy": [
    2553342.1635103645,
    1182148.7352222889
   ],
   "end_xy": [
    2553426.191411979,
    1182133.3907421033
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.748990125295677,
   "start_distance_m": 219.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 563.3293277932592,
   "end_elevation_m": 563.8043075957651,
   "start_xy": [
    2553289.2360312636,
    1182272.8680815117
   ],
   "end_xy": [
    2553290.110308388,
    1182271.1334934556
   ]
  },
  "max_3m": {
   "gradient_pct": 23.318857927408015,
   "start_distance_m": 218.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 219.5,
   "start_elevation_m": 563.1047418579428,
   "end_elevation_m": 563.8043075957651,
   "start_xy": [
    2553288.6791045163,
    1182273.6986431277
   ],
   "end_xy": [
    2553290.110308388,
    1182271.1334934556
   ]
  }
 },
 "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_2021_2553-1182_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T07:49:58+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "reline-followup-260915",
  "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": [
   "2553-1182"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Estavayer",
  "county": "Fribourg/Freiburg",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}