{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9124, 7.7282)",
 "slug": "discovered-lane-46-9124-7-7282",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.692895438251753,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1122.0,
   "end_distance_m": 1124.0,
   "start_elevation_m": 777.1755302627508,
   "end_elevation_m": 777.7493881715159,
   "min_gradient_pct": -3.9119852439341685
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.14087616300185,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1121.0,
   "end_distance_m": 1124.0,
   "start_elevation_m": 776.9051618866258,
   "end_elevation_m": 777.7493881715159,
   "min_gradient_pct": -3.8183590120032327
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.690956608887063,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1121.0,
   "end_distance_m": 1126.0,
   "start_elevation_m": 776.9051618866258,
   "end_elevation_m": 778.1897097170702,
   "min_gradient_pct": -3.145364702986626
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.33240728563419,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1118.0,
   "end_distance_m": 1128.0,
   "start_elevation_m": 776.305058966974,
   "end_elevation_m": 778.7382996955374,
   "min_gradient_pct": -2.5817384832794232
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.291131603282338,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1112.0,
   "end_distance_m": 1132.0,
   "start_elevation_m": 774.9222222955029,
   "end_elevation_m": 779.5804486161594,
   "min_gradient_pct": -2.171692050839056
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.109931308104024,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1115.0,
   "end_distance_m": 1140.0,
   "start_elevation_m": 775.5749179520637,
   "end_elevation_m": 781.3524007790897,
   "min_gradient_pct": -2.1405573294136957
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.17467582105496,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1106.0,
   "end_distance_m": 1156.0,
   "start_elevation_m": 773.6510436587553,
   "end_elevation_m": 784.7383815692828,
   "min_gradient_pct": -1.3634347388567676
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.47851754944054,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1112.0,
   "end_distance_m": 1212.0,
   "start_elevation_m": 774.9222222955029,
   "end_elevation_m": 795.4007398449435,
   "min_gradient_pct": -0.95288324265141
  }
 ],
 "shape": {
  "ascent_concentration": 0.386,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 205.0,
  "shape_class": "sustained"
 },
 "length_m": 2100.954350464872,
 "start_elevation_m": 673.7522715996234,
 "end_elevation_m": 846.9387915375803,
 "endpoint_gain_m": 173.18651993795686,
 "overall_gradient_pct": 8.243230982131355,
 "accumulated_ascent_m": 176.368574622432,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.690956608887063,
   "start_distance_m": 1121.0,
   "end_distance_m": 1126.0,
   "midpoint_distance_m": 1123.5,
   "start_elevation_m": 776.9051618866258,
   "end_elevation_m": 778.1897097170702,
   "start_xy": [
    2622227.9411724596,
    1195746.0904973184
   ],
   "end_xy": [
    2622229.9099339116,
    1195741.5150972262
   ]
  },
  "max_10m": {
   "gradient_pct": 24.33240728563419,
   "start_distance_m": 1118.0,
   "end_distance_m": 1128.0,
   "midpoint_distance_m": 1123.0,
   "start_elevation_m": 776.305058966974,
   "end_elevation_m": 778.7382996955374,
   "start_xy": [
    2622226.976150136,
    1195748.9310486584
   ],
   "end_xy": [
    2622230.873728667,
    1195739.7626419002
   ]
  },
  "max_20m": {
   "gradient_pct": 23.291131603282338,
   "start_distance_m": 1112.0,
   "end_distance_m": 1132.0,
   "midpoint_distance_m": 1122.0,
   "start_elevation_m": 774.9222222955029,
   "end_elevation_m": 779.5804486161594,
   "start_xy": [
    2622225.6753521417,
    1195754.7848755165
   ],
   "end_xy": [
    2622232.801318178,
    1195736.2577312484
   ]
  },
  "max_25m": {
   "gradient_pct": 23.109931308104024,
   "start_distance_m": 1115.0,
   "end_distance_m": 1140.0,
   "midpoint_distance_m": 1127.5,
   "start_elevation_m": 775.5749179520637,
   "end_elevation_m": 781.3524007790897,
   "start_xy": [
    2622226.295724395,
    1195751.8497199386
   ],
   "end_xy": [
    2622236.573355594,
    1195729.2035629908
   ]
  },
  "max_50m": {
   "gradient_pct": 22.17467582105496,
   "start_distance_m": 1106.0,
   "end_distance_m": 1156.0,
   "midpoint_distance_m": 1131.0,
   "start_elevation_m": 773.6510436587553,
   "end_elevation_m": 784.7383815692828,
   "start_xy": [
    2622225.6593452394,
    1195760.7773752941
   ],
   "end_xy": [
    2622243.8313969867,
    1195714.9468498165
   ]
  },
  "max_100m": {
   "gradient_pct": 20.47851754944054,
   "start_distance_m": 1112.0,
   "end_distance_m": 1212.0,
   "midpoint_distance_m": 1162.0,
   "start_elevation_m": 774.9222222955029,
   "end_elevation_m": 795.4007398449435,
   "start_xy": [
    2622225.6753521417,
    1195754.7848755165
   ],
   "end_xy": [
    2622251.748114422,
    1195661.954974922
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.145364702986626,
   "start_distance_m": 1906.0,
   "end_distance_m": 1911.0,
   "midpoint_distance_m": 1908.5,
   "start_elevation_m": 826.4324615062774,
   "end_elevation_m": 826.275193271128,
   "start_xy": [
    2621901.8237961223,
    1195326.4635215704
   ],
   "end_xy": [
    2621901.8367949086,
    1195321.4635384672
   ]
  },
  "min_10m": {
   "gradient_pct": -2.5817384832794232,
   "start_distance_m": 1903.0,
   "end_distance_m": 1913.0,
   "midpoint_distance_m": 1908.0,
   "start_elevation_m": 826.5027596236987,
   "end_elevation_m": 826.2445857753708,
   "start_xy": [
    2621901.886122924,
    1195329.4604966755
   ],
   "end_xy": [
    2621901.919524739,
    1195319.465704414
   ]
  },
  "min_20m": {
   "gradient_pct": -2.171692050839056,
   "start_distance_m": 1892.0,
   "end_distance_m": 1912.0,
   "midpoint_distance_m": 1902.0,
   "start_elevation_m": 826.7015244874215,
   "end_elevation_m": 826.2671860772537,
   "start_xy": [
    2621903.080887704,
    1195340.3865053104
   ],
   "end_xy": [
    2621901.866464626,
    1195320.4642957342
   ]
  },
  "min_25m": {
   "gradient_pct": -2.1405573294136957,
   "start_distance_m": 1886.0,
   "end_distance_m": 1911.0,
   "midpoint_distance_m": 1898.5,
   "start_elevation_m": 826.8103326034815,
   "end_elevation_m": 826.275193271128,
   "start_xy": [
    2621904.201804716,
    1195346.2808708446
   ],
   "end_xy": [
    2621901.8367949086,
    1195321.4635384672
   ]
  },
  "min_50m": {
   "gradient_pct": -1.3634347388567676,
   "start_distance_m": 1366.0,
   "end_distance_m": 1416.0,
   "midpoint_distance_m": 1391.0,
   "start_elevation_m": 798.2928220270065,
   "end_elevation_m": 797.6111046575782,
   "start_xy": [
    2622115.3135147463,
    1195724.2221492545
   ],
   "end_xy": [
    2622068.1754034827,
    1195740.895234607
   ]
  },
  "min_100m": {
   "gradient_pct": -0.95288324265141,
   "start_distance_m": 1327.0,
   "end_distance_m": 1427.0,
   "midpoint_distance_m": 1377.0,
   "start_elevation_m": 798.5139712507108,
   "end_elevation_m": 797.5610880080594,
   "start_xy": [
    2622151.467477751,
    1195709.6573546014
   ],
   "end_xy": [
    2622057.8312903815,
    1195743.0008001118
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.692895438251753,
   "start_distance_m": 1122.0,
   "end_distance_m": 1124.0,
   "midpoint_distance_m": 1123.0,
   "start_elevation_m": 777.1755302627508,
   "end_elevation_m": 777.7493881715159,
   "start_xy": [
    2622228.2628465677,
    1195745.143646872
   ],
   "end_xy": [
    2622228.9461391564,
    1195743.2675525523
   ]
  },
  "max_3m": {
   "gradient_pct": 28.14087616300185,
   "start_distance_m": 1121.0,
   "end_distance_m": 1124.0,
   "midpoint_distance_m": 1122.5,
   "start_elevation_m": 776.9051618866258,
   "end_elevation_m": 777.7493881715159,
   "start_xy": [
    2622227.9411724596,
    1195746.0904973184
   ],
   "end_xy": [
    2622228.9461391564,
    1195743.2675525523
   ]
  }
 },
 "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_2025_2621-1195_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1195_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1196_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:38:09+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": [
   "2621-1195",
   "2622-1195",
   "2622-1196"
  ],
  "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": "Signau",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}