{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.2048, 7.3245)",
 "slug": "discovered-lane-46-2048-7-3245",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.99590405517347,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 167.0,
   "end_distance_m": 169.0,
   "start_elevation_m": 679.0893241068172,
   "end_elevation_m": 679.6092421879207,
   "min_gradient_pct": 3.122919898589771
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.493503861415928,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 46.0,
   "end_distance_m": 49.0,
   "start_elevation_m": 656.5853471808205,
   "end_elevation_m": 657.3501522966629,
   "min_gradient_pct": 3.454829560659315
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.47573058384478,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 104.0,
   "end_distance_m": 109.0,
   "start_elevation_m": 668.1225352178233,
   "end_elevation_m": 669.3463217470155,
   "min_gradient_pct": 3.8266568092967645
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.19230306669533,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 105.0,
   "end_distance_m": 115.0,
   "start_elevation_m": 668.3592885046824,
   "end_elevation_m": 670.7785188113519,
   "min_gradient_pct": 4.487623964461136
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.613949005764425,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 99.0,
   "end_distance_m": 119.0,
   "start_elevation_m": 667.0243625224718,
   "end_elevation_m": 671.7471523236247,
   "min_gradient_pct": 4.752997903224241
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 23.1743291625894,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 25.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 651.7988095302111,
   "end_elevation_m": 657.5923918208584,
   "min_gradient_pct": 4.770679240094978
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.04263703391348,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 19.0,
   "end_distance_m": 69.0,
   "start_elevation_m": 650.5592797147725,
   "end_elevation_m": 661.5805982317293,
   "min_gradient_pct": 5.078598725540587
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.187872608852217,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 19.0,
   "end_distance_m": 119.0,
   "start_elevation_m": 650.5592797147725,
   "end_elevation_m": 671.7471523236247,
   "min_gradient_pct": 5.623613764682318
  }
 ],
 "shape": {
  "ascent_concentration": 0.382,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 204.0,
  "shape_class": "sustained"
 },
 "length_m": 601.3401198336621,
 "start_elevation_m": 648.1438078967252,
 "end_elevation_m": 724.626412211923,
 "endpoint_gain_m": 76.48260431519782,
 "overall_gradient_pct": 12.71869309773541,
 "accumulated_ascent_m": 76.51124773937136,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.47573058384478,
   "start_distance_m": 104.0,
   "end_distance_m": 109.0,
   "midpoint_distance_m": 106.5,
   "start_elevation_m": 668.1225352178233,
   "end_elevation_m": 669.3463217470155,
   "start_xy": [
    2591193.1819413276,
    1117061.850997319
   ],
   "end_xy": [
    2591192.535995882,
    1117056.892897604
   ]
  },
  "max_10m": {
   "gradient_pct": 24.19230306669533,
   "start_distance_m": 105.0,
   "end_distance_m": 115.0,
   "midpoint_distance_m": 110.0,
   "start_elevation_m": 668.3592885046824,
   "end_elevation_m": 670.7785188113519,
   "start_xy": [
    2591193.053082138,
    1117060.859334418
   ],
   "end_xy": [
    2591191.759647299,
    1117050.9433360337
   ]
  },
  "max_20m": {
   "gradient_pct": 23.613949005764425,
   "start_distance_m": 99.0,
   "end_distance_m": 119.0,
   "midpoint_distance_m": 109.0,
   "start_elevation_m": 667.0243625224718,
   "end_elevation_m": 671.7471523236247,
   "start_xy": [
    2591193.826237277,
    1117066.809311824
   ],
   "end_xy": [
    2591191.243034581,
    1117046.976902069
   ]
  },
  "max_25m": {
   "gradient_pct": 23.1743291625894,
   "start_distance_m": 25.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 37.5,
   "start_elevation_m": 651.7988095302111,
   "end_elevation_m": 657.5923918208584,
   "start_xy": [
    2591231.7832467724,
    1117127.4936640232
   ],
   "end_xy": [
    2591214.915936775,
    1117109.0803247099
   ]
  },
  "max_50m": {
   "gradient_pct": 22.04263703391348,
   "start_distance_m": 19.0,
   "end_distance_m": 69.0,
   "midpoint_distance_m": 44.0,
   "start_elevation_m": 650.5592797147725,
   "end_elevation_m": 661.5805982317293,
   "start_xy": [
    2591235.420669462,
    1117132.2653677207
   ],
   "end_xy": [
    2591201.75313857,
    1117095.3816838232
   ]
  },
  "max_100m": {
   "gradient_pct": 21.187872608852217,
   "start_distance_m": 19.0,
   "end_distance_m": 119.0,
   "midpoint_distance_m": 69.0,
   "start_elevation_m": 650.5592797147725,
   "end_elevation_m": 671.7471523236247,
   "start_xy": [
    2591235.420669462,
    1117132.2653677207
   ],
   "end_xy": [
    2591191.243034581,
    1117046.976902069
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 3.8266568092967645,
   "start_distance_m": 268.0,
   "end_distance_m": 273.0,
   "midpoint_distance_m": 270.5,
   "start_elevation_m": 689.9842678621494,
   "end_elevation_m": 690.1756007026142,
   "start_xy": [
    2591236.892816993,
    1116915.5636884018
   ],
   "end_xy": [
    2591240.0821585227,
    1116913.271355171
   ]
  },
  "min_10m": {
   "gradient_pct": 4.487623964461136,
   "start_distance_m": 339.0,
   "end_distance_m": 349.0,
   "midpoint_distance_m": 344.0,
   "start_elevation_m": 694.0158406775375,
   "end_elevation_m": 694.4646030739837,
   "start_xy": [
    2591300.76304944,
    1116939.2295681227
   ],
   "end_xy": [
    2591309.9585272856,
    1116943.1593502027
   ]
  },
  "min_20m": {
   "gradient_pct": 4.752997903224241,
   "start_distance_m": 323.0,
   "end_distance_m": 343.0,
   "midpoint_distance_m": 333.0,
   "start_elevation_m": 693.21604896638,
   "end_elevation_m": 694.1666485470248,
   "start_xy": [
    2591286.0502848877,
    1116932.9419167947
   ],
   "end_xy": [
    2591304.4412405784,
    1116940.8014809547
   ]
  },
  "min_25m": {
   "gradient_pct": 4.770679240094978,
   "start_distance_m": 323.0,
   "end_distance_m": 348.0,
   "midpoint_distance_m": 335.5,
   "start_elevation_m": 693.21604896638,
   "end_elevation_m": 694.4087187764037,
   "start_xy": [
    2591286.0502848877,
    1116932.9419167947
   ],
   "end_xy": [
    2591309.038979501,
    1116942.7663719947
   ]
  },
  "min_50m": {
   "gradient_pct": 5.078598725540587,
   "start_distance_m": 301.0,
   "end_distance_m": 351.0,
   "midpoint_distance_m": 326.0,
   "start_elevation_m": 692.0397430207629,
   "end_elevation_m": 694.5790423835332,
   "start_xy": [
    2591265.820905548,
    1116924.294825658
   ],
   "end_xy": [
    2591311.7793235164,
    1116943.9865394663
   ]
  },
  "min_100m": {
   "gradient_pct": 5.623613764682318,
   "start_distance_m": 267.0,
   "end_distance_m": 367.0,
   "midpoint_distance_m": 317.0,
   "start_elevation_m": 689.9338608712068,
   "end_elevation_m": 695.5574746358891,
   "start_xy": [
    2591236.3887372324,
    1116916.4273455066
   ],
   "end_xy": [
    2591326.375649696,
    1116950.534096788
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.99590405517347,
   "start_distance_m": 167.0,
   "end_distance_m": 169.0,
   "midpoint_distance_m": 168.0,
   "start_elevation_m": 679.0893241068172,
   "end_elevation_m": 679.6092421879207,
   "start_xy": [
    2591182.8784504365,
    1117000.465833219
   ],
   "end_xy": [
    2591183.6585571333,
    1116998.6522764764
   ]
  },
  "max_3m": {
   "gradient_pct": 25.493503861415928,
   "start_distance_m": 46.0,
   "end_distance_m": 49.0,
   "midpoint_distance_m": 47.5,
   "start_elevation_m": 656.5853471808205,
   "end_elevation_m": 657.3501522966629,
   "start_xy": [
    2591217.6923822737,
    1117111.9597952156
   ],
   "end_xy": [
    2591215.6100481497,
    1117109.8001923363
   ]
  }
 },
 "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",
   "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_2024_2591-1116_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2591-1117_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:07:28+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": [
   "2591-1116",
   "2591-1117"
  ],
  "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": "Nendaz",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}