{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.0397, 8.9124)",
 "slug": "discovered-lane-46-0397-8-9124",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.817035648196907,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 788.0,
   "end_distance_m": 790.0,
   "start_elevation_m": 437.3026969310583,
   "end_elevation_m": 437.8190376440222,
   "min_gradient_pct": -10.847020210300684
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.999659889609422,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 806.0,
   "end_distance_m": 809.0,
   "start_elevation_m": 441.37125851341693,
   "end_elevation_m": 442.1212483101052,
   "min_gradient_pct": -9.625379635483947
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.45244293146402,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 808.0,
   "end_distance_m": 813.0,
   "start_elevation_m": 441.8638895187215,
   "end_elevation_m": 443.0865116652947,
   "min_gradient_pct": -9.100518497491521
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.19117437576972,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 803.0,
   "end_distance_m": 813.0,
   "start_elevation_m": 440.66739422771775,
   "end_elevation_m": 443.0865116652947,
   "min_gradient_pct": -7.515381597402779
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.486810503291622,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 793.0,
   "end_distance_m": 813.0,
   "start_elevation_m": 438.3891495646364,
   "end_elevation_m": 443.0865116652947,
   "min_gradient_pct": -5.096560467741824
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.286109270166207,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 799.0,
   "end_distance_m": 824.0,
   "start_elevation_m": 439.7445107156873,
   "end_elevation_m": 445.56603803322884,
   "min_gradient_pct": -4.4884848228584815
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.48807522619836,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 788.0,
   "end_distance_m": 838.0,
   "start_elevation_m": 437.3026969310583,
   "end_elevation_m": 448.54673454415746,
   "min_gradient_pct": -3.4457707768684713
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.440661360647482,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 772.0,
   "end_distance_m": 872.0,
   "start_elevation_m": 434.25940910311203,
   "end_elevation_m": 454.7000704637595,
   "min_gradient_pct": 0.699795729168045,
   "suppressed_max_gradient_pct": 20.688343137232376,
   "suppressed_location_m": [
    767.0,
    867.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.343,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 185.0,
  "shape_class": "sustained"
 },
 "length_m": 892.4924449288792,
 "start_elevation_m": 363.0520098657012,
 "end_elevation_m": 453.9775564819324,
 "endpoint_gain_m": 90.9255466162312,
 "overall_gradient_pct": 10.187822556131202,
 "accumulated_ascent_m": 93.57618589536685,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.45244293146402,
   "start_distance_m": 808.0,
   "end_distance_m": 813.0,
   "midpoint_distance_m": 810.5,
   "start_elevation_m": 441.8638895187215,
   "end_elevation_m": 443.0865116652947,
   "start_xy": [
    2714121.827919182,
    1099744.24613594
   ],
   "end_xy": [
    2714117.3462252296,
    1099746.462984624
   ]
  },
  "max_10m": {
   "gradient_pct": 24.19117437576972,
   "start_distance_m": 803.0,
   "end_distance_m": 813.0,
   "midpoint_distance_m": 808.0,
   "start_elevation_m": 440.66739422771775,
   "end_elevation_m": 443.0865116652947,
   "start_xy": [
    2714126.4046844505,
    1099742.2427832664
   ],
   "end_xy": [
    2714117.3462252296,
    1099746.462984624
   ]
  },
  "max_20m": {
   "gradient_pct": 23.486810503291622,
   "start_distance_m": 793.0,
   "end_distance_m": 813.0,
   "midpoint_distance_m": 803.0,
   "start_elevation_m": 438.3891495646364,
   "end_elevation_m": 443.0865116652947,
   "start_xy": [
    2714135.8549700757,
    1099739.0036473006
   ],
   "end_xy": [
    2714117.3462252296,
    1099746.462984624
   ]
  },
  "max_25m": {
   "gradient_pct": 23.286109270166207,
   "start_distance_m": 799.0,
   "end_distance_m": 824.0,
   "midpoint_distance_m": 811.5,
   "start_elevation_m": 439.7445107156873,
   "end_elevation_m": 445.56603803322884,
   "start_xy": [
    2714130.1227831226,
    1099740.7677441158
   ],
   "end_xy": [
    2714107.3189872387,
    1099750.946377756
   ]
  },
  "max_50m": {
   "gradient_pct": 22.48807522619836,
   "start_distance_m": 788.0,
   "end_distance_m": 838.0,
   "midpoint_distance_m": 813.0,
   "start_elevation_m": 437.3026969310583,
   "end_elevation_m": 448.54673454415746,
   "start_xy": [
    2714140.654304367,
    1099737.6013695595
   ],
   "end_xy": [
    2714093.7752138586,
    1099754.424955405
   ]
  },
  "max_100m": {
   "gradient_pct": 20.440661360647482,
   "start_distance_m": 772.0,
   "end_distance_m": 872.0,
   "midpoint_distance_m": 822.0,
   "start_elevation_m": 434.25940910311203,
   "end_elevation_m": 454.7000704637595,
   "start_xy": [
    2714153.9840638577,
    1099728.8110846914
   ],
   "end_xy": [
    2714063.295950757,
    1099764.3314078662
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -9.100518497491521,
   "start_distance_m": 877.0,
   "end_distance_m": 882.0,
   "midpoint_distance_m": 879.5,
   "start_elevation_m": 454.7037494115043,
   "end_elevation_m": 454.24872348662973,
   "start_xy": [
    2714063.2475939095,
    1099759.6577969762
   ],
   "end_xy": [
    2714066.2523522084,
    1099755.6970843559
   ]
  },
  "min_10m": {
   "gradient_pct": -7.515381597402779,
   "start_distance_m": 875.0,
   "end_distance_m": 885.0,
   "midpoint_distance_m": 880.0,
   "start_elevation_m": 454.8218344442112,
   "end_elevation_m": 454.07029628447094,
   "start_xy": [
    2714062.6030378747,
    1099761.5225502276
   ],
   "end_xy": [
    2714068.2372068046,
    1099753.4475620894
   ]
  },
  "min_20m": {
   "gradient_pct": -5.096560467741824,
   "start_distance_m": 692.0,
   "end_distance_m": 712.0,
   "midpoint_distance_m": 702.0,
   "start_elevation_m": 432.7837149137073,
   "end_elevation_m": 431.7644028201589,
   "start_xy": [
    2714210.0108306785,
    1099679.2878412711
   ],
   "end_xy": [
    2714191.524335062,
    1099685.8034973415
   ]
  },
  "min_25m": {
   "gradient_pct": -4.4884848228584815,
   "start_distance_m": 691.0,
   "end_distance_m": 716.0,
   "midpoint_distance_m": 703.5,
   "start_elevation_m": 432.8088537678335,
   "end_elevation_m": 431.6867325621189,
   "start_xy": [
    2714211.001091114,
    1099679.1486238588
   ],
   "end_xy": [
    2714188.3971563103,
    1099688.2976399777
   ]
  },
  "min_50m": {
   "gradient_pct": -3.4457707768684713,
   "start_distance_m": 688.0,
   "end_distance_m": 738.0,
   "midpoint_distance_m": 713.0,
   "start_elevation_m": 432.85598725032725,
   "end_elevation_m": 431.133101861893,
   "start_xy": [
    2714213.95081948,
    1099678.6164122813
   ],
   "end_xy": [
    2714173.3354310677,
    1099704.241223918
   ]
  },
  "min_100m": {
   "gradient_pct": 0.699795729168045,
   "start_distance_m": 654.0,
   "end_distance_m": 754.0,
   "midpoint_distance_m": 704.0,
   "start_elevation_m": 430.8073563770431,
   "end_elevation_m": 431.50715210621115,
   "start_xy": [
    2714237.1558599006,
    1099655.0846637164
   ],
   "end_xy": [
    2714168.5564333117,
    1099718.2448166208
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.817035648196907,
   "start_distance_m": 788.0,
   "end_distance_m": 790.0,
   "midpoint_distance_m": 789.0,
   "start_elevation_m": 437.3026969310583,
   "end_elevation_m": 437.8190376440222,
   "start_xy": [
    2714140.654304367,
    1099737.6013695595
   ],
   "end_xy": [
    2714138.734573609,
    1099738.1622910306
   ]
  },
  "max_3m": {
   "gradient_pct": 24.999659889609422,
   "start_distance_m": 806.0,
   "end_distance_m": 809.0,
   "midpoint_distance_m": 807.5,
   "start_elevation_m": 441.37125851341693,
   "end_elevation_m": 442.1212483101052,
   "start_xy": [
    2714123.6216534353,
    1099743.361546201
   ],
   "end_xy": [
    2714120.9315364053,
    1099744.6894167624
   ]
  }
 },
 "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": 0.046,
   "windows_resited": [
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    731.0,
    771.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_2022_2714-1099_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:37:07+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": "retro-260915-dogleg-all",
  "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": [
   "2714-1099"
  ],
  "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",
  "structure_mask_ranges_m": [
   [
    736.0,
    766.0
   ]
  ],
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Manno",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}