{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9395, 7.6284)",
 "slug": "discovered-lane-46-9395-7-6284",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.74783527705836,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 315.0,
   "end_distance_m": 317.0,
   "start_elevation_m": 743.2617355828306,
   "end_elevation_m": 743.9166922883718,
   "min_gradient_pct": -10.917546793979227
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.660901826282345,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 311.0,
   "end_distance_m": 314.0,
   "start_elevation_m": 742.0890512971833,
   "end_elevation_m": 743.0088783519718,
   "min_gradient_pct": -4.4186148455613266
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.27815833683917,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 311.0,
   "end_distance_m": 316.0,
   "start_elevation_m": 742.0890512971833,
   "end_elevation_m": 743.6029592140253,
   "min_gradient_pct": -2.768574546464606
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.756668714306898,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 307.0,
   "end_distance_m": 317.0,
   "start_elevation_m": 740.9410254169411,
   "end_elevation_m": 743.9166922883718,
   "min_gradient_pct": -2.188870121447053
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 29.219982668237208,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 300.0,
   "end_distance_m": 320.0,
   "start_elevation_m": 738.9127575788173,
   "end_elevation_m": 744.7567541124647,
   "min_gradient_pct": -1.0179642407092615
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 28.513156378573967,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 295.0,
   "end_distance_m": 320.0,
   "start_elevation_m": 737.6284650178212,
   "end_elevation_m": 744.7567541124647,
   "min_gradient_pct": -0.9543653320056364
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 26.719774863791145,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 273.0,
   "end_distance_m": 323.0,
   "start_elevation_m": 732.1560602357665,
   "end_elevation_m": 745.5159476676621,
   "min_gradient_pct": -0.7586593594633086
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 25.072972019279064,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 228.0,
   "end_distance_m": 328.0,
   "start_elevation_m": 721.3852826395353,
   "end_elevation_m": 746.4582546588143,
   "min_gradient_pct": -0.4975155352000229
  }
 ],
 "shape": {
  "ascent_concentration": 0.371,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 343.0,
  "shape_class": "sustained"
 },
 "length_m": 2615.769962317031,
 "start_elevation_m": 695.6440061215858,
 "end_elevation_m": 975.5039750908229,
 "endpoint_gain_m": 279.8599689692371,
 "overall_gradient_pct": 10.698951857423237,
 "accumulated_ascent_m": 281.90920857329445,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.27815833683917,
   "start_distance_m": 311.0,
   "end_distance_m": 316.0,
   "midpoint_distance_m": 313.5,
   "start_elevation_m": 742.0890512971833,
   "end_elevation_m": 743.6029592140253,
   "start_xy": [
    2614108.3811474955,
    1199618.5608185746
   ],
   "end_xy": [
    2614113.27753809,
    1199619.5734187649
   ]
  },
  "max_10m": {
   "gradient_pct": 29.756668714306898,
   "start_distance_m": 307.0,
   "end_distance_m": 317.0,
   "midpoint_distance_m": 312.0,
   "start_elevation_m": 740.9410254169411,
   "end_elevation_m": 743.9166922883718,
   "start_xy": [
    2614104.4640350197,
    1199617.7507384224
   ],
   "end_xy": [
    2614114.256816209,
    1199619.775938803
   ]
  },
  "max_20m": {
   "gradient_pct": 29.219982668237208,
   "start_distance_m": 300.0,
   "end_distance_m": 320.0,
   "midpoint_distance_m": 310.0,
   "start_elevation_m": 738.9127575788173,
   "end_elevation_m": 744.7567541124647,
   "start_xy": [
    2614097.607845116,
    1199616.339165746
   ],
   "end_xy": [
    2614117.1946505657,
    1199620.383498917
   ]
  },
  "max_25m": {
   "gradient_pct": 28.513156378573967,
   "start_distance_m": 295.0,
   "end_distance_m": 320.0,
   "midpoint_distance_m": 307.5,
   "start_elevation_m": 737.6284650178212,
   "end_elevation_m": 744.7567541124647,
   "start_xy": [
    2614092.7077293727,
    1199615.344748478
   ],
   "end_xy": [
    2614117.1946505657,
    1199620.383498917
   ]
  },
  "max_50m": {
   "gradient_pct": 26.719774863791145,
   "start_distance_m": 273.0,
   "end_distance_m": 323.0,
   "midpoint_distance_m": 298.0,
   "start_elevation_m": 732.1560602357665,
   "end_elevation_m": 745.5159476676621,
   "start_xy": [
    2614072.036190254,
    1199608.0001556836
   ],
   "end_xy": [
    2614120.1800371213,
    1199620.4062246506
   ]
  },
  "max_100m": {
   "gradient_pct": 25.072972019279064,
   "start_distance_m": 228.0,
   "end_distance_m": 328.0,
   "midpoint_distance_m": 278.0,
   "start_elevation_m": 721.3852826395353,
   "end_elevation_m": 746.4582546588143,
   "start_xy": [
    2614029.145221691,
    1199594.893011349
   ],
   "end_xy": [
    2614124.251552178,
    1199617.8100371328
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.768574546464606,
   "start_distance_m": 1090.0,
   "end_distance_m": 1095.0,
   "midpoint_distance_m": 1092.5,
   "start_elevation_m": 842.4149450806864,
   "end_elevation_m": 842.2765163533631,
   "start_xy": [
    2614486.853431056,
    1199340.9731179567
   ],
   "end_xy": [
    2614483.997260994,
    1199336.8691817273
   ]
  },
  "min_10m": {
   "gradient_pct": -2.188870121447053,
   "start_distance_m": 1085.0,
   "end_distance_m": 1095.0,
   "midpoint_distance_m": 1090.0,
   "start_elevation_m": 842.4954033655079,
   "end_elevation_m": 842.2765163533631,
   "start_xy": [
    2614489.709601118,
    1199345.0770541863
   ],
   "end_xy": [
    2614483.997260994,
    1199336.8691817273
   ]
  },
  "min_20m": {
   "gradient_pct": -1.0179642407092615,
   "start_distance_m": 2533.0,
   "end_distance_m": 2553.0,
   "midpoint_distance_m": 2543.0,
   "start_elevation_m": 975.974975348543,
   "end_elevation_m": 975.7713825004012,
   "start_xy": [
    2615107.6950338646,
    1199099.4247518026
   ],
   "end_xy": [
    2615125.543127984,
    1199108.4494698765
   ]
  },
  "min_25m": {
   "gradient_pct": -0.9543653320056364,
   "start_distance_m": 2524.0,
   "end_distance_m": 2549.0,
   "midpoint_distance_m": 2536.5,
   "start_elevation_m": 976.0372056101098,
   "end_elevation_m": 975.7986142771084,
   "start_xy": [
    2615099.4291340457,
    1199095.872268359
   ],
   "end_xy": [
    2615121.9735091603,
    1199106.6445262618
   ]
  },
  "min_50m": {
   "gradient_pct": -0.7586593594633086,
   "start_distance_m": 2528.0,
   "end_distance_m": 2578.0,
   "midpoint_distance_m": 2553.0,
   "start_elevation_m": 976.0037036406934,
   "end_elevation_m": 975.6243739609617,
   "start_xy": [
    2615103.121048532,
    1199097.4116732532
   ],
   "end_xy": [
    2615148.284801658,
    1199118.7869433307
   ]
  },
  "min_100m": {
   "gradient_pct": -0.4975155352000229,
   "start_distance_m": 2515.0,
   "end_distance_m": 2615.0,
   "midpoint_distance_m": 2565.0,
   "start_elevation_m": 976.007519190794,
   "end_elevation_m": 975.510003655594,
   "start_xy": [
    2615091.1223264523,
    1199092.4086073472
   ],
   "end_xy": [
    2615181.6341062365,
    1199134.3563347757
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.74783527705836,
   "start_distance_m": 315.0,
   "end_distance_m": 317.0,
   "midpoint_distance_m": 316.0,
   "start_elevation_m": 743.2617355828306,
   "end_elevation_m": 743.9166922883718,
   "start_xy": [
    2614112.298259971,
    1199619.3708987269
   ],
   "end_xy": [
    2614114.256816209,
    1199619.775938803
   ]
  },
  "max_3m": {
   "gradient_pct": 30.660901826282345,
   "start_distance_m": 311.0,
   "end_distance_m": 314.0,
   "midpoint_distance_m": 312.5,
   "start_elevation_m": 742.0890512971833,
   "end_elevation_m": 743.0088783519718,
   "start_xy": [
    2614108.3811474955,
    1199618.5608185746
   ],
   "end_xy": [
    2614111.3189818524,
    1199619.1683786889
   ]
  }
 },
 "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_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_2025_2613-1199_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2614-1198_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2614-1199_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2615-1198_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2615-1199_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T01:42:30+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": [
   "2613-1199",
   "2614-1198",
   "2614-1199",
   "2615-1198",
   "2615-1199"
  ],
  "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": "Walkringen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}