{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9453, 7.5924)",
 "slug": "discovered-lane-46-9453-7-5924",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 39.86860327913746,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 549.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 889.2972656657544,
   "end_elevation_m": 890.0946377313371,
   "min_gradient_pct": -5.5793287220353704
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.226259531665924,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 548.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 889.0678499453871,
   "end_elevation_m": 890.0946377313371,
   "min_gradient_pct": -4.652939282717246
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.404898735728693,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 546.0,
   "end_distance_m": 551.0,
   "start_elevation_m": 888.7243927945507,
   "end_elevation_m": 890.0946377313371,
   "min_gradient_pct": -0.6208605439996973
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.388232375748885,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 212.0,
   "end_distance_m": 222.0,
   "start_elevation_m": 828.5681617003368,
   "end_elevation_m": 831.1069849379116,
   "min_gradient_pct": 1.1231100398640592
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.058898792108266,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 214.0,
   "end_distance_m": 234.0,
   "start_elevation_m": 829.0352659116105,
   "end_elevation_m": 834.0470456700322,
   "min_gradient_pct": 1.7128016267952262
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.865545576217755,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 214.0,
   "end_distance_m": 239.0,
   "start_elevation_m": 829.0352659116105,
   "end_elevation_m": 835.251652305665,
   "min_gradient_pct": 1.657508897430489
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.387998647312543,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 198.0,
   "end_distance_m": 248.0,
   "start_elevation_m": 825.2712489920003,
   "end_elevation_m": 837.4652483156566,
   "min_gradient_pct": 2.79926586442798
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.367824778011823,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 160.0,
   "end_distance_m": 260.0,
   "start_elevation_m": 817.3038709566364,
   "end_elevation_m": 839.6716957346482,
   "min_gradient_pct": 5.5675112460633045
  }
 ],
 "shape": {
  "ascent_concentration": 0.331,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 417.0,
  "shape_class": "sustained"
 },
 "length_m": 551.5196654263141,
 "start_elevation_m": 803.238653706763,
 "end_elevation_m": 890.2893261453146,
 "endpoint_gain_m": 87.0506724385516,
 "overall_gradient_pct": 15.78378395106965,
 "accumulated_ascent_m": 87.25599603350179,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.404898735728693,
   "start_distance_m": 546.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 548.5,
   "start_elevation_m": 888.7243927945507,
   "end_elevation_m": 890.0946377313371,
   "start_xy": [
    2611822.5543408166,
    1199485.8473023842
   ],
   "end_xy": [
    2611827.0588341136,
    1199488.0174498758
   ]
  },
  "max_10m": {
   "gradient_pct": 25.388232375748885,
   "start_distance_m": 212.0,
   "end_distance_m": 222.0,
   "midpoint_distance_m": 217.0,
   "start_elevation_m": 828.5681617003368,
   "end_elevation_m": 831.1069849379116,
   "start_xy": [
    2611619.7454290637,
    1199260.5919808634
   ],
   "end_xy": [
    2611624.9067310924,
    1199269.1570822268
   ]
  },
  "max_20m": {
   "gradient_pct": 25.058898792108266,
   "start_distance_m": 214.0,
   "end_distance_m": 234.0,
   "midpoint_distance_m": 224.0,
   "start_elevation_m": 829.0352659116105,
   "end_elevation_m": 834.0470456700322,
   "start_xy": [
    2611620.777689469,
    1199262.3050011361
   ],
   "end_xy": [
    2611631.332721398,
    1199279.2908756214
   ]
  },
  "max_25m": {
   "gradient_pct": 24.865545576217755,
   "start_distance_m": 214.0,
   "end_distance_m": 239.0,
   "midpoint_distance_m": 226.5,
   "start_elevation_m": 829.0352659116105,
   "end_elevation_m": 835.251652305665,
   "start_xy": [
    2611620.777689469,
    1199262.3050011361
   ],
   "end_xy": [
    2611634.06748445,
    1199283.4762887491
   ]
  },
  "max_50m": {
   "gradient_pct": 24.387998647312543,
   "start_distance_m": 198.0,
   "end_distance_m": 248.0,
   "midpoint_distance_m": 223.0,
   "start_elevation_m": 825.2712489920003,
   "end_elevation_m": 837.4652483156566,
   "start_xy": [
    2611611.2706704843,
    1199249.5836079388
   ],
   "end_xy": [
    2611639.0950238896,
    1199290.941129483
   ]
  },
  "max_100m": {
   "gradient_pct": 22.367824778011823,
   "start_distance_m": 160.0,
   "end_distance_m": 260.0,
   "midpoint_distance_m": 210.0,
   "start_elevation_m": 817.3038709566364,
   "end_elevation_m": 839.6716957346482,
   "start_xy": [
    2611581.0099078673,
    1199227.152078257
   ],
   "end_xy": [
    2611646.1193166273,
    1199300.6688949747
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.6208605439996973,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 803.238653706763,
   "end_elevation_m": 803.207610679563,
   "start_xy": [
    2611456.561,
    1199133.923
   ],
   "end_xy": [
    2611460.9093596563,
    1199136.391150786
   ]
  },
  "min_10m": {
   "gradient_pct": 1.1231100398640592,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 803.238653706763,
   "end_elevation_m": 803.3509647107494,
   "start_xy": [
    2611456.561,
    1199133.923
   ],
   "end_xy": [
    2611465.257719312,
    1199138.8593015722
   ]
  },
  "min_20m": {
   "gradient_pct": 1.7128016267952262,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 803.238653706763,
   "end_elevation_m": 803.581214032122,
   "start_xy": [
    2611456.561,
    1199133.923
   ],
   "end_xy": [
    2611473.954438624,
    1199143.7956031444
   ]
  },
  "min_25m": {
   "gradient_pct": 1.657508897430489,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 803.238653706763,
   "end_elevation_m": 803.6530309311206,
   "start_xy": [
    2611456.561,
    1199133.923
   ],
   "end_xy": [
    2611478.3027982796,
    1199146.2637539306
   ]
  },
  "min_50m": {
   "gradient_pct": 2.79926586442798,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 803.238653706763,
   "end_elevation_m": 804.638286638977,
   "start_xy": [
    2611456.561,
    1199133.923
   ],
   "end_xy": [
    2611501.6871645865,
    1199154.497302689
   ]
  },
  "min_100m": {
   "gradient_pct": 5.5675112460633045,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 803.238653706763,
   "end_elevation_m": 808.8061649528263,
   "start_xy": [
    2611456.561,
    1199133.923
   ],
   "end_xy": [
    2611542.4716999005,
    1199181.3899176274
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 39.86860327913746,
   "start_distance_m": 549.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 550.0,
   "start_elevation_m": 889.2972656657544,
   "end_elevation_m": 890.0946377313371,
   "start_xy": [
    2611825.257036795,
    1199487.149390879
   ],
   "end_xy": [
    2611827.0588341136,
    1199488.0174498758
   ]
  },
  "max_3m": {
   "gradient_pct": 34.226259531665924,
   "start_distance_m": 548.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 549.5,
   "start_elevation_m": 889.0678499453871,
   "end_elevation_m": 890.0946377313371,
   "start_xy": [
    2611824.3561381353,
    1199486.7153613807
   ],
   "end_xy": [
    2611827.0588341136,
    1199488.0174498758
   ]
  }
 },
 "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_2611-1199_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:49:20+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": [
   "2611-1199"
  ],
  "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": "Worb",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}