{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.4301, 6.9249)",
 "slug": "discovered-lane-46-4301-6-9249",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 40.97813590739179,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 18.0,
   "end_distance_m": 20.0,
   "start_elevation_m": 541.5070832896802,
   "end_elevation_m": 542.326646007828,
   "min_gradient_pct": -14.989485804267133,
   "suppressed_max_gradient_pct": 156.03640438205844,
   "suppressed_location_m": [
    2.0,
    4.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.60108718107707,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 768.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 623.5948137692942,
   "end_elevation_m": 624.5728463847265,
   "min_gradient_pct": -12.283259573803207,
   "suppressed_max_gradient_pct": 131.23822359763153,
   "suppressed_location_m": [
    1.0,
    4.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.511829939684958,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 15.0,
   "end_distance_m": 20.0,
   "start_elevation_m": 540.8010545108438,
   "end_elevation_m": 542.326646007828,
   "min_gradient_pct": -8.544653585056494,
   "suppressed_max_gradient_pct": 80.13170963658922,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.52261907788875,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 696.0,
   "end_distance_m": 706.0,
   "start_elevation_m": 612.4956458057384,
   "end_elevation_m": 615.0479077135273,
   "min_gradient_pct": -3.1403632529440983,
   "suppressed_max_gradient_pct": 44.398082302313924,
   "suppressed_location_m": [
    18.0,
    28.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.588303036006323,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 687.0,
   "end_distance_m": 707.0,
   "start_elevation_m": 610.69966757704,
   "end_elevation_m": 615.2173281842413,
   "min_gradient_pct": -2.5495511933905846,
   "suppressed_max_gradient_pct": 29.749295402547773,
   "suppressed_location_m": [
    14.0,
    34.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.095087882051757,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 690.0,
   "end_distance_m": 715.0,
   "start_elevation_m": 611.2274473046132,
   "end_elevation_m": 616.5012192751261,
   "min_gradient_pct": -1.404515015439756,
   "suppressed_max_gradient_pct": 34.513931482670614,
   "suppressed_location_m": [
    1.0,
    26.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.61742076360133,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 684.0,
   "end_distance_m": 734.0,
   "start_elevation_m": 610.2352561716457,
   "end_elevation_m": 619.0439665534464,
   "min_gradient_pct": -0.6427357772488449,
   "suppressed_max_gradient_pct": 23.064077085272856,
   "suppressed_location_m": [
    0.0,
    50.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.526663909593935,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 671.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 609.0461824751326,
   "end_elevation_m": 624.5728463847265,
   "min_gradient_pct": 1.4600510511413631
  }
 ],
 "shape": {
  "ascent_concentration": 0.311,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 139.0,
  "shape_class": "sustained"
 },
 "length_m": 871.1223884031159,
 "start_elevation_m": 536.4751906737442,
 "end_elevation_m": 626.0348824609457,
 "endpoint_gain_m": 89.55969178720147,
 "overall_gradient_pct": 10.280953971505244,
 "accumulated_ascent_m": 92.07285574727916,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.511829939684958,
   "start_distance_m": 15.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 17.5,
   "start_elevation_m": 540.8010545108438,
   "end_elevation_m": 542.326646007828,
   "start_xy": [
    2560766.140144934,
    1141761.4786593379
   ],
   "end_xy": [
    2560768.9642433496,
    1141757.3556475858
   ]
  },
  "max_10m": {
   "gradient_pct": 25.52261907788875,
   "start_distance_m": 696.0,
   "end_distance_m": 706.0,
   "midpoint_distance_m": 701.0,
   "start_elevation_m": 612.4956458057384,
   "end_elevation_m": 615.0479077135273,
   "start_xy": [
    2560520.1509286813,
    1142173.9772123229
   ],
   "end_xy": [
    2560514.9620614694,
    1142182.5227951482
   ]
  },
  "max_20m": {
   "gradient_pct": 22.588303036006323,
   "start_distance_m": 687.0,
   "end_distance_m": 707.0,
   "midpoint_distance_m": 697.0,
   "start_elevation_m": 610.69966757704,
   "end_elevation_m": 615.2173281842413,
   "start_xy": [
    2560524.9832206075,
    1142166.384521447
   ],
   "end_xy": [
    2560514.462916533,
    1142183.3893136608
   ]
  },
  "max_25m": {
   "gradient_pct": 21.095087882051757,
   "start_distance_m": 690.0,
   "end_distance_m": 715.0,
   "midpoint_distance_m": 702.5,
   "start_elevation_m": 611.2274473046132,
   "end_elevation_m": 616.5012192751261,
   "start_xy": [
    2560523.372456632,
    1142168.9154184056
   ],
   "end_xy": [
    2560510.4697570414,
    1142190.3214617607
   ]
  },
  "max_50m": {
   "gradient_pct": 17.61742076360133,
   "start_distance_m": 684.0,
   "end_distance_m": 734.0,
   "midpoint_distance_m": 709.0,
   "start_elevation_m": 610.2352561716457,
   "end_elevation_m": 619.0439665534464,
   "start_xy": [
    2560526.593984583,
    1142163.8536244882
   ],
   "end_xy": [
    2560503.863948648,
    1142207.602797404
   ]
  },
  "max_100m": {
   "gradient_pct": 15.526663909593935,
   "start_distance_m": 671.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 721.0,
   "start_elevation_m": 609.0461824751326,
   "end_elevation_m": 624.5728463847265,
   "start_xy": [
    2560530.0794745684,
    1142151.7161966488
   ],
   "end_xy": [
    2560532.7698511775,
    1142197.8472215189
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -8.544653585056494,
   "start_distance_m": 822.0,
   "end_distance_m": 827.0,
   "midpoint_distance_m": 824.5,
   "start_elevation_m": 626.4174039028535,
   "end_elevation_m": 625.9901712236007,
   "start_xy": [
    2560565.0757874944,
    1142158.754238751
   ],
   "end_xy": [
    2560568.8897918873,
    1142155.521071497
   ]
  },
  "min_10m": {
   "gradient_pct": -3.1403632529440983,
   "start_distance_m": 799.0,
   "end_distance_m": 809.0,
   "midpoint_distance_m": 804.0,
   "start_elevation_m": 626.12367896288,
   "end_elevation_m": 625.8096426375856,
   "start_xy": [
    2560549.117785285,
    1142175.1257670452
   ],
   "end_xy": [
    2560555.159376074,
    1142167.160473612
   ]
  },
  "min_20m": {
   "gradient_pct": -2.5495511933905846,
   "start_distance_m": 790.0,
   "end_distance_m": 810.0,
   "midpoint_distance_m": 800.0,
   "start_elevation_m": 626.3042054592502,
   "end_elevation_m": 625.794295220572,
   "start_xy": [
    2560543.694984567,
    1142182.308609962
   ],
   "end_xy": [
    2560555.9221769525,
    1142166.513840161
   ]
  },
  "min_25m": {
   "gradient_pct": -1.404515015439756,
   "start_distance_m": 823.0,
   "end_distance_m": 848.0,
   "midpoint_distance_m": 835.5,
   "start_elevation_m": 626.3968392616357,
   "end_elevation_m": 626.0457105077758,
   "start_xy": [
    2560565.8385883733,
    1142158.1076053001
   ],
   "end_xy": [
    2560585.6054012715,
    1142142.840781082
   ]
  },
  "min_50m": {
   "gradient_pct": -0.6427357772488449,
   "start_distance_m": 815.0,
   "end_distance_m": 865.0,
   "midpoint_distance_m": 840.0,
   "start_elevation_m": 626.2224955051638,
   "end_elevation_m": 625.9011276165394,
   "start_xy": [
    2560559.736181345,
    1142163.280672907
   ],
   "end_xy": [
    2560599.485290009,
    1142133.0250442976
   ]
  },
  "min_100m": {
   "gradient_pct": 1.4600510511413631,
   "start_distance_m": 771.0,
   "end_distance_m": 871.0,
   "midpoint_distance_m": 821.0,
   "start_elevation_m": 624.5728463847265,
   "end_elevation_m": 626.0328974358679,
   "start_xy": [
    2560532.7698511775,
    1142197.8472215189
   ],
   "end_xy": [
    2560604.38407427,
    1142129.5606666089
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 40.97813590739179,
   "start_distance_m": 18.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 19.0,
   "start_elevation_m": 541.5070832896802,
   "end_elevation_m": 542.326646007828,
   "start_xy": [
    2560767.7898733546,
    1141758.9745531157
   ],
   "end_xy": [
    2560768.9642433496,
    1141757.3556475858
   ]
  },
  "max_3m": {
   "gradient_pct": 32.60108718107707,
   "start_distance_m": 768.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 769.5,
   "start_elevation_m": 623.5948137692942,
   "end_elevation_m": 624.5728463847265,
   "start_xy": [
    2560530.6190750496,
    1142199.903985
   ],
   "end_xy": [
    2560532.7698511775,
    1142197.8472215189
   ]
  }
 },
 "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": 0.062,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    6.0
   ],
   [
    22.0,
    27.0
   ],
   [
    290.0,
    330.0
   ]
  ],
  "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_2021_2560-1141_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2560-1142_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:12:52+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": [
   "2560-1141",
   "2560-1142"
  ],
  "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": "Montreux",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}