{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.3489, 7.0520)",
 "slug": "discovered-lane-46-3489-7-0520",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.819379919939365,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 171.0,
   "end_distance_m": 173.0,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1059.361245150672,
   "min_gradient_pct": -9.027783824831204
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.23723614889938,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 171.0,
   "end_distance_m": 174.0,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1059.5819746367401,
   "min_gradient_pct": -8.207933999892703
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.978925509451074,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 171.0,
   "end_distance_m": 176.0,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1060.0338038277457,
   "min_gradient_pct": -6.982834551336055
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.406316045398853,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 182.0,
   "end_distance_m": 192.0,
   "start_elevation_m": 1061.2934311691824,
   "end_elevation_m": 1063.5340627737223,
   "min_gradient_pct": -5.735612866942574
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.202618549333692,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 175.0,
   "end_distance_m": 195.0,
   "start_elevation_m": 1059.7605507006085,
   "end_elevation_m": 1064.2010744104753,
   "min_gradient_pct": -4.410551203620798
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.128456668077888,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 171.0,
   "end_distance_m": 196.0,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1064.4169717192926,
   "min_gradient_pct": -3.2912663161541786
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.599770726862516,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 161.0,
   "end_distance_m": 211.0,
   "start_elevation_m": 1056.928899156142,
   "end_elevation_m": 1067.2287845195733,
   "min_gradient_pct": 1.8690943706055805
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.128558525404515,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 149.0,
   "end_distance_m": 249.0,
   "start_elevation_m": 1055.1782778483635,
   "end_elevation_m": 1072.306836373768,
   "min_gradient_pct": 4.260211266755732
  }
 ],
 "shape": {
  "ascent_concentration": 0.423,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 166.0,
  "shape_class": "sustained"
 },
 "length_m": 265.22350121869414,
 "start_elevation_m": 1044.7802909550735,
 "end_elevation_m": 1073.657739782713,
 "endpoint_gain_m": 28.877448827639455,
 "overall_gradient_pct": 10.887967580153505,
 "accumulated_ascent_m": 29.763171645585544,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.978925509451074,
   "start_distance_m": 171.0,
   "end_distance_m": 176.0,
   "midpoint_distance_m": 173.5,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1060.0338038277457,
   "start_xy": [
    2570199.3004147965,
    1133119.1528866102
   ],
   "end_xy": [
    2570204.1958180354,
    1133120.1702494407
   ]
  },
  "max_10m": {
   "gradient_pct": 22.406316045398853,
   "start_distance_m": 182.0,
   "end_distance_m": 192.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 1061.2934311691824,
   "end_elevation_m": 1063.5340627737223,
   "start_xy": [
    2570210.070301922,
    1133121.3910848373
   ],
   "end_xy": [
    2570219.8611084,
    1133123.4258104982
   ]
  },
  "max_20m": {
   "gradient_pct": 22.202618549333692,
   "start_distance_m": 175.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 185.0,
   "start_elevation_m": 1059.7605507006085,
   "end_elevation_m": 1064.2010744104753,
   "start_xy": [
    2570203.2167373877,
    1133119.9667768746
   ],
   "end_xy": [
    2570222.798350343,
    1133124.0362281965
   ]
  },
  "max_25m": {
   "gradient_pct": 22.128456668077888,
   "start_distance_m": 171.0,
   "end_distance_m": 196.0,
   "midpoint_distance_m": 183.5,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1064.4169717192926,
   "start_xy": [
    2570199.3004147965,
    1133119.1528866102
   ],
   "end_xy": [
    2570223.7774309907,
    1133124.2397007626
   ]
  },
  "max_50m": {
   "gradient_pct": 20.599770726862516,
   "start_distance_m": 161.0,
   "end_distance_m": 211.0,
   "midpoint_distance_m": 186.0,
   "start_elevation_m": 1056.928899156142,
   "end_elevation_m": 1067.2287845195733,
   "start_xy": [
    2570189.5096083186,
    1133117.1181609493
   ],
   "end_xy": [
    2570238.482779582,
    1133127.1953737133
   ]
  },
  "max_100m": {
   "gradient_pct": 17.128558525404515,
   "start_distance_m": 149.0,
   "end_distance_m": 249.0,
   "midpoint_distance_m": 199.0,
   "start_elevation_m": 1055.1782778483635,
   "end_elevation_m": 1072.306836373768,
   "start_xy": [
    2570177.7606405453,
    1133114.676490156
   ],
   "end_xy": [
    2570273.7391668777,
    1133139.8424557988
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -6.982834551336055,
   "start_distance_m": 72.0,
   "end_distance_m": 77.0,
   "midpoint_distance_m": 74.5,
   "start_elevation_m": 1048.9734158087065,
   "end_elevation_m": 1048.6242740811397,
   "start_xy": [
    2570102.461369278,
    1133098.588405413
   ],
   "end_xy": [
    2570107.3448333954,
    1133099.6616147174
   ]
  },
  "min_10m": {
   "gradient_pct": -5.735612866942574,
   "start_distance_m": 67.0,
   "end_distance_m": 77.0,
   "midpoint_distance_m": 72.0,
   "start_elevation_m": 1049.197835367834,
   "end_elevation_m": 1048.6242740811397,
   "start_xy": [
    2570098.3652336467,
    1133096.353420178
   ],
   "end_xy": [
    2570107.3448333954,
    1133099.6616147174
   ]
  },
  "min_20m": {
   "gradient_pct": -4.410551203620798,
   "start_distance_m": 66.0,
   "end_distance_m": 86.0,
   "midpoint_distance_m": 76.0,
   "start_elevation_m": 1049.233584521681,
   "end_elevation_m": 1048.3514742809568,
   "start_xy": [
    2570097.8039588053,
    1133095.5257907002
   ],
   "end_xy": [
    2570116.1350688073,
    1133101.593391465
   ]
  },
  "min_25m": {
   "gradient_pct": -3.2912663161541786,
   "start_distance_m": 66.0,
   "end_distance_m": 91.0,
   "midpoint_distance_m": 78.5,
   "start_elevation_m": 1049.233584521681,
   "end_elevation_m": 1048.4107679426425,
   "start_xy": [
    2570097.8039588053,
    1133095.5257907002
   ],
   "end_xy": [
    2570121.0185329253,
    1133102.6666007692
   ]
  },
  "min_50m": {
   "gradient_pct": 1.8690943706055805,
   "start_distance_m": 47.0,
   "end_distance_m": 97.0,
   "midpoint_distance_m": 72.0,
   "start_elevation_m": 1047.8239935475524,
   "end_elevation_m": 1048.7585407328552,
   "start_xy": [
    2570079.9084129725,
    1133094.511153
   ],
   "end_xy": [
    2570126.8786898665,
    1133103.9544519342
   ]
  },
  "min_100m": {
   "gradient_pct": 4.260211266755732,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 1044.7802909550735,
   "end_elevation_m": 1049.0405022218292,
   "start_xy": [
    2570065.026,
    1133113.489
   ],
   "end_xy": [
    2570129.808768337,
    1133104.5983775167
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.819379919939365,
   "start_distance_m": 171.0,
   "end_distance_m": 173.0,
   "midpoint_distance_m": 172.0,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1059.361245150672,
   "start_xy": [
    2570199.3004147965,
    1133119.1528866102
   ],
   "end_xy": [
    2570201.258576092,
    1133119.5598317424
   ]
  },
  "max_3m": {
   "gradient_pct": 23.23723614889938,
   "start_distance_m": 171.0,
   "end_distance_m": 174.0,
   "midpoint_distance_m": 172.5,
   "start_elevation_m": 1058.8848575522732,
   "end_elevation_m": 1059.5819746367401,
   "start_xy": [
    2570199.3004147965,
    1133119.1528866102
   ],
   "end_xy": [
    2570202.23765674,
    1133119.7633043085
   ]
  }
 },
 "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_2021_2570-1133_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:44:45+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": [
   "2570-1133"
  ],
  "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": "Ormont-Dessous",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}