{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.4075, 7.7332)",
 "slug": "discovered-lane-47-4075-7-7332",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.94856532366248,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 999.0,
   "end_distance_m": 1001.0,
   "start_elevation_m": 642.5519030225082,
   "end_elevation_m": 643.1308743289815,
   "min_gradient_pct": -91.52087808904525,
   "suppressed_max_gradient_pct": 70.85728320823819,
   "suppressed_location_m": [
    18.0,
    20.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.3753299229564,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1038.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 650.7259895918302,
   "end_elevation_m": 651.5772494895189,
   "min_gradient_pct": -65.60323189207793,
   "suppressed_max_gradient_pct": 64.37774800048525,
   "suppressed_location_m": [
    17.0,
    20.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.699176485875796,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1036.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 650.1922906652251,
   "end_elevation_m": 651.5772494895189,
   "min_gradient_pct": -39.12357184513667,
   "suppressed_max_gradient_pct": 43.71531705285406,
   "suppressed_location_m": [
    17.0,
    22.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.824000845799674,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1031.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 648.8948494049389,
   "end_elevation_m": 651.5772494895189,
   "min_gradient_pct": -19.60065290507373
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.023617975623438,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1022.0,
   "end_distance_m": 1042.0,
   "start_elevation_m": 646.7730772438863,
   "end_elevation_m": 651.777800839011,
   "min_gradient_pct": -3.877750794326289
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.22491279526548,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1024.0,
   "end_distance_m": 1049.0,
   "start_elevation_m": 647.2002941618248,
   "end_elevation_m": 653.2565223606412,
   "min_gradient_pct": -3.717479954312239
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.132402481102872,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1022.0,
   "end_distance_m": 1072.0,
   "start_elevation_m": 646.7730772438863,
   "end_elevation_m": 657.8392784844377,
   "min_gradient_pct": -2.699858352717456
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.160060297449263,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 970.0,
   "end_distance_m": 1070.0,
   "start_elevation_m": 636.3128900445511,
   "end_elevation_m": 657.4729503420003,
   "min_gradient_pct": -1.7725651070504682
  }
 ],
 "shape": {
  "ascent_concentration": 0.439,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 266.0,
  "shape_class": "sustained"
 },
 "length_m": 1113.9138864354054,
 "start_elevation_m": 550.652997126951,
 "end_elevation_m": 661.4556103027359,
 "endpoint_gain_m": 110.80261317578481,
 "overall_gradient_pct": 9.947143538210135,
 "accumulated_ascent_m": 115.98680729860973,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.699176485875796,
   "start_distance_m": 1036.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1038.5,
   "start_elevation_m": 650.1922906652251,
   "end_elevation_m": 651.5772494895189,
   "start_xy": [
    2622245.0754675614,
    1250616.4792557755
   ],
   "end_xy": [
    2622247.747931379,
    1250612.2549308978
   ]
  },
  "max_10m": {
   "gradient_pct": 26.824000845799674,
   "start_distance_m": 1031.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1036.0,
   "start_elevation_m": 648.8948494049389,
   "end_elevation_m": 651.5772494895189,
   "start_xy": [
    2622242.517123633,
    1250620.7751696878
   ],
   "end_xy": [
    2622247.747931379,
    1250612.2549308978
   ]
  },
  "max_20m": {
   "gradient_pct": 25.023617975623438,
   "start_distance_m": 1022.0,
   "end_distance_m": 1042.0,
   "midpoint_distance_m": 1032.0,
   "start_elevation_m": 646.7730772438863,
   "end_elevation_m": 651.777800839011,
   "start_xy": [
    2622237.912104562,
    1250628.5078147305
   ],
   "end_xy": [
    2622248.298794107,
    1250611.4203350344
   ]
  },
  "max_25m": {
   "gradient_pct": 24.22491279526548,
   "start_distance_m": 1024.0,
   "end_distance_m": 1049.0,
   "midpoint_distance_m": 1036.5,
   "start_elevation_m": 647.2002941618248,
   "end_elevation_m": 653.2565223606412,
   "start_xy": [
    2622238.9354421333,
    1250626.7894491656
   ],
   "end_xy": [
    2622252.1554249083,
    1250605.5785546259
   ]
  },
  "max_50m": {
   "gradient_pct": 22.132402481102872,
   "start_distance_m": 1022.0,
   "end_distance_m": 1072.0,
   "midpoint_distance_m": 1047.0,
   "start_elevation_m": 646.7730772438863,
   "end_elevation_m": 657.8392784844377,
   "start_xy": [
    2622237.912104562,
    1250628.5078147305
   ],
   "end_xy": [
    2622264.829219938,
    1250586.385459004
   ]
  },
  "max_100m": {
   "gradient_pct": 21.160060297449263,
   "start_distance_m": 970.0,
   "end_distance_m": 1070.0,
   "midpoint_distance_m": 1020.0,
   "start_elevation_m": 636.3128900445511,
   "end_elevation_m": 657.4729503420003,
   "start_xy": [
    2622211.7098432467,
    1250673.4199827136
   ],
   "end_xy": [
    2622263.727150805,
    1250588.0544238407
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -39.12357184513667,
   "start_distance_m": 12.0,
   "end_distance_m": 17.0,
   "midpoint_distance_m": 14.5,
   "start_elevation_m": 550.5668154305152,
   "end_elevation_m": 548.6106368382584,
   "start_xy": [
    2621729.9088498987,
    1251058.3432190907
   ],
   "end_xy": [
    2621733.7300373567,
    1251061.5678937116
   ]
  },
  "min_10m": {
   "gradient_pct": -19.60065290507373,
   "start_distance_m": 7.0,
   "end_distance_m": 17.0,
   "midpoint_distance_m": 12.0,
   "start_elevation_m": 550.5707021287658,
   "end_elevation_m": 548.6106368382584,
   "start_xy": [
    2621726.0876624407,
    1251055.1185444696
   ],
   "end_xy": [
    2621733.7300373567,
    1251061.5678937116
   ]
  },
  "min_20m": {
   "gradient_pct": -3.877750794326289,
   "start_distance_m": 737.0,
   "end_distance_m": 757.0,
   "midpoint_distance_m": 747.0,
   "start_elevation_m": 610.4448556602778,
   "end_elevation_m": 609.6693055014125,
   "start_xy": [
    2622219.477235527,
    1250786.7566937262
   ],
   "end_xy": [
    2622199.835506903,
    1250790.5250063264
   ]
  },
  "min_25m": {
   "gradient_pct": -3.717479954312239,
   "start_distance_m": 735.0,
   "end_distance_m": 760.0,
   "midpoint_distance_m": 747.5,
   "start_elevation_m": 610.4895906782851,
   "end_elevation_m": 609.5602206897071,
   "start_xy": [
    2622221.4407499824,
    1250786.3764162187
   ],
   "end_xy": [
    2622196.887388878,
    1250791.0805242013
   ]
  },
  "min_50m": {
   "gradient_pct": -2.699858352717456,
   "start_distance_m": 723.0,
   "end_distance_m": 773.0,
   "midpoint_distance_m": 748.0,
   "start_elevation_m": 610.625538337296,
   "end_elevation_m": 609.2756091609373,
   "start_xy": [
    2622233.2527859006,
    1250784.6457132678
   ],
   "end_xy": [
    2622184.1122107687,
    1250793.4877683262
   ]
  },
  "min_100m": {
   "gradient_pct": -1.7725651070504682,
   "start_distance_m": 697.0,
   "end_distance_m": 797.0,
   "midpoint_distance_m": 747.0,
   "start_elevation_m": 610.8494323324852,
   "end_elevation_m": 609.0768672254347,
   "start_xy": [
    2622253.0178312636,
    1250798.6477952604
   ],
   "end_xy": [
    2622161.0844452973,
    1250787.7454590627
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.94856532366248,
   "start_distance_m": 999.0,
   "end_distance_m": 1001.0,
   "midpoint_distance_m": 1000.0,
   "start_elevation_m": 642.5519030225082,
   "end_elevation_m": 643.1308743289815,
   "start_xy": [
    2622226.184966359,
    1250648.2932635683
   ],
   "end_xy": [
    2622227.1886664475,
    1250646.5633542843
   ]
  },
  "max_3m": {
   "gradient_pct": 28.3753299229564,
   "start_distance_m": 1038.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1039.5,
   "start_elevation_m": 650.7259895918302,
   "end_elevation_m": 651.5772494895189,
   "start_xy": [
    2622246.098805133,
    1250614.7608902103
   ],
   "end_xy": [
    2622247.747931379,
    1250612.2549308978
   ]
  }
 },
 "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": 0.009,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    13.0,
    22.0
   ]
  ],
  "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_2621-1250_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2621-1251_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1250_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1251_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:49:38+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": [
   "2621-1250",
   "2621-1251",
   "2622-1250",
   "2622-1251"
  ],
  "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": "Arboldswil",
  "county": "Basel-Landschaft",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}