{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.3881, 8.3539)",
 "slug": "discovered-lane-47-3881-8-3539",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.64916267223407,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 930.0,
   "end_distance_m": 932.0,
   "start_elevation_m": 724.7638682683153,
   "end_elevation_m": 725.23685152176,
   "min_gradient_pct": -1.635115001261056
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.783513411047807,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 930.0,
   "end_distance_m": 933.0,
   "start_elevation_m": 724.7638682683153,
   "end_elevation_m": 725.4473736706467,
   "min_gradient_pct": -0.8571401254850267
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.516476189236982,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 923.0,
   "end_distance_m": 928.0,
   "start_elevation_m": 723.2158933291063,
   "end_elevation_m": 724.3417171385681,
   "min_gradient_pct": 0.7781353872496766
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.399124904726477,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 922.0,
   "end_distance_m": 932.0,
   "start_elevation_m": 722.9969390312873,
   "end_elevation_m": 725.23685152176,
   "min_gradient_pct": 2.7774969010363293
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.91061682382724,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 912.0,
   "end_distance_m": 932.0,
   "start_elevation_m": 720.8547281569945,
   "end_elevation_m": 725.23685152176,
   "min_gradient_pct": 3.8573303253434688
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.78417793005474,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 910.0,
   "end_distance_m": 935.0,
   "start_elevation_m": 720.4186493487616,
   "end_elevation_m": 725.8646938312753,
   "min_gradient_pct": 3.7997210515159168
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.167159277643577,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 895.0,
   "end_distance_m": 945.0,
   "start_elevation_m": 717.2985372835013,
   "end_elevation_m": 727.8821169223231,
   "min_gradient_pct": 5.119606510423182
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.152698643638246,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 848.0,
   "end_distance_m": 948.0,
   "start_elevation_m": 708.3196562756171,
   "end_elevation_m": 728.4723549192554,
   "min_gradient_pct": 6.862733391618576
  }
 ],
 "shape": {
  "ascent_concentration": 0.365,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 165.0,
  "shape_class": "sustained"
 },
 "length_m": 955.3574619626578,
 "start_elevation_m": 622.2414954540878,
 "end_elevation_m": 729.7620963476862,
 "endpoint_gain_m": 107.52060089359838,
 "overall_gradient_pct": 11.254489044625378,
 "accumulated_ascent_m": 107.64720216368869,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.516476189236982,
   "start_distance_m": 923.0,
   "end_distance_m": 928.0,
   "midpoint_distance_m": 925.5,
   "start_elevation_m": 723.2158933291063,
   "end_elevation_m": 724.3417171385681,
   "start_xy": [
    2669330.986275059,
    1249075.6729297743
   ],
   "end_xy": [
    2669335.93141739,
    1249076.4106135578
   ]
  },
  "max_10m": {
   "gradient_pct": 22.399124904726477,
   "start_distance_m": 922.0,
   "end_distance_m": 932.0,
   "midpoint_distance_m": 927.0,
   "start_elevation_m": 722.9969390312873,
   "end_elevation_m": 725.23685152176,
   "start_xy": [
    2669329.9985089595,
    1249075.5169870518
   ],
   "end_xy": [
    2669339.8914167634,
    1249076.9748873932
   ]
  },
  "max_20m": {
   "gradient_pct": 21.91061682382724,
   "start_distance_m": 912.0,
   "end_distance_m": 932.0,
   "midpoint_distance_m": 922.0,
   "start_elevation_m": 720.8547281569945,
   "end_elevation_m": 725.23685152176,
   "start_xy": [
    2669320.1222153446,
    1249073.949740187
   ],
   "end_xy": [
    2669339.8914167634,
    1249076.9748873932
   ]
  },
  "max_25m": {
   "gradient_pct": 21.78417793005474,
   "start_distance_m": 910.0,
   "end_distance_m": 935.0,
   "midpoint_distance_m": 922.5,
   "start_elevation_m": 720.4186493487616,
   "end_elevation_m": 725.8646938312753,
   "start_xy": [
    2669318.158073741,
    1249073.5727153043
   ],
   "end_xy": [
    2669342.861416294,
    1249077.3980927696
   ]
  },
  "max_50m": {
   "gradient_pct": 21.167159277643577,
   "start_distance_m": 895.0,
   "end_distance_m": 945.0,
   "midpoint_distance_m": 920.0,
   "start_elevation_m": 717.2985372835013,
   "end_elevation_m": 727.8821169223231,
   "start_xy": [
    2669303.420150955,
    1249070.8026262093
   ],
   "end_xy": [
    2669352.7894244473,
    1249076.678175365
   ]
  },
  "max_100m": {
   "gradient_pct": 20.152698643638246,
   "start_distance_m": 848.0,
   "end_distance_m": 948.0,
   "midpoint_distance_m": 898.0,
   "start_elevation_m": 708.3196562756171,
   "end_elevation_m": 728.4723549192554,
   "start_xy": [
    2669257.303395489,
    1249074.6820271169
   ],
   "end_xy": [
    2669355.769522881,
    1249076.3331922835
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.7781353872496766,
   "start_distance_m": 698.0,
   "end_distance_m": 703.0,
   "midpoint_distance_m": 700.5,
   "start_elevation_m": 688.5822858819212,
   "end_elevation_m": 688.6211926512836,
   "start_xy": [
    2669116.4778563664,
    1249088.7800814298
   ],
   "end_xy": [
    2669115.496862446,
    1249093.682902141
   ]
  },
  "min_10m": {
   "gradient_pct": 2.7774969010363293,
   "start_distance_m": 91.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 96.0,
   "start_elevation_m": 636.1803875477802,
   "end_elevation_m": 636.4581372378839,
   "start_xy": [
    2668727.970298474,
    1249088.1103636054
   ],
   "end_xy": [
    2668736.113499208,
    1249085.6239899136
   ]
  },
  "min_20m": {
   "gradient_pct": 3.8573303253434688,
   "start_distance_m": 90.0,
   "end_distance_m": 110.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 636.1418909512578,
   "end_elevation_m": 636.9133570163265,
   "start_xy": [
    2668727.1237981403,
    1249087.5779754154
   ],
   "end_xy": [
    2668743.31200438,
    1249080.2219973842
   ]
  },
  "min_25m": {
   "gradient_pct": 3.7997210515159168,
   "start_distance_m": 90.0,
   "end_distance_m": 115.0,
   "midpoint_distance_m": 102.5,
   "start_elevation_m": 636.1418909512578,
   "end_elevation_m": 637.0918212141368,
   "start_xy": [
    2668727.1237981403,
    1249087.5779754154
   ],
   "end_xy": [
    2668747.31117392,
    1249077.2208904235
   ]
  },
  "min_50m": {
   "gradient_pct": 5.119606510423182,
   "start_distance_m": 90.0,
   "end_distance_m": 140.0,
   "midpoint_distance_m": 115.0,
   "start_elevation_m": 636.1418909512578,
   "end_elevation_m": 638.7016942064694,
   "start_xy": [
    2668727.1237981403,
    1249087.5779754154
   ],
   "end_xy": [
    2668766.7672107024,
    1249075.4660795962
   ]
  },
  "min_100m": {
   "gradient_pct": 6.862733391618576,
   "start_distance_m": 604.0,
   "end_distance_m": 704.0,
   "midpoint_distance_m": 654.0,
   "start_elevation_m": 681.7909017420185,
   "end_elevation_m": 688.6536351336371,
   "start_xy": [
    2669134.920542073,
    1248996.607052056
   ],
   "end_xy": [
    2669115.900205551,
    1249094.1734623918
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.64916267223407,
   "start_distance_m": 930.0,
   "end_distance_m": 932.0,
   "midpoint_distance_m": 931.0,
   "start_elevation_m": 724.7638682683153,
   "end_elevation_m": 725.23685152176,
   "start_xy": [
    2669337.911417077,
    1249076.6927504756
   ],
   "end_xy": [
    2669339.8914167634,
    1249076.9748873932
   ]
  },
  "max_3m": {
   "gradient_pct": 22.783513411047807,
   "start_distance_m": 930.0,
   "end_distance_m": 933.0,
   "midpoint_distance_m": 931.5,
   "start_elevation_m": 724.7638682683153,
   "end_elevation_m": 725.4473736706467,
   "start_xy": [
    2669337.911417077,
    1249076.6927504756
   ],
   "end_xy": [
    2669340.8814166067,
    1249077.115955852
   ]
  }
 },
 "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",
   "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_2668-1248_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2668-1249_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2669-1248_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2669-1249_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:04:14+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-run7-260911",
  "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": [
   "2668-1248",
   "2668-1249",
   "2669-1248",
   "2669-1249"
  ],
  "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": "Bellikon",
  "county": "Aargau",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}