{
 "ocl_version": "0.1.0",
 "name": "Route du Lein",
 "slug": "route-du-lein-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.85618973120245,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 97.0,
   "end_distance_m": 99.0,
   "start_elevation_m": 948.7564042562406,
   "end_elevation_m": 949.2335280508646,
   "min_gradient_pct": -7.576003142503396
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.425583144660322,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 97.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 948.7564042562406,
   "end_elevation_m": 949.4591717505804,
   "min_gradient_pct": -6.382117114912944
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 22.320931920141902,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 95.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 948.3431251545733,
   "end_elevation_m": 949.4591717505804,
   "min_gradient_pct": -3.01200958323534
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.41630534159708,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 93.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 947.9435994088801,
   "end_elevation_m": 949.9852299430398,
   "min_gradient_pct": -2.016824908239414
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.110168745014676,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 83.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 946.5631961940369,
   "end_elevation_m": 949.9852299430398,
   "min_gradient_pct": 0.15005174827820156
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.622014827909425,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 76.0,
   "end_distance_m": 101.0,
   "start_elevation_m": 945.5377150606756,
   "end_elevation_m": 949.693218767653,
   "min_gradient_pct": 0.41363427270243847
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 15.95769473984683,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 53.0,
   "end_distance_m": 103.0,
   "start_elevation_m": 942.0063825731164,
   "end_elevation_m": 949.9852299430398,
   "min_gradient_pct": 0.6579854912429255
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.57900914427421,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2.0,
   "end_distance_m": 102.0,
   "start_elevation_m": 935.2493273613081,
   "end_elevation_m": 949.8283365055823,
   "min_gradient_pct": 0.8521803012476994
  }
 ],
 "shape": {
  "ascent_concentration": 0.296,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 107.0,
  "shape_class": "sustained"
 },
 "length_m": 9065.426334642048,
 "start_elevation_m": 935.0668222107,
 "end_elevation_m": 1623.733061025354,
 "endpoint_gain_m": 688.6662388146539,
 "overall_gradient_pct": 7.59662274440451,
 "accumulated_ascent_m": 690.0656957653451,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 22.320931920141902,
   "start_distance_m": 95.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 97.5,
   "start_elevation_m": 948.3431251545733,
   "end_elevation_m": 949.4591717505804,
   "start_xy": [
    2579834.014538151,
    1104552.1472011136
   ],
   "end_xy": [
    2579830.315108261,
    1104555.5108621654
   ]
  },
  "max_10m": {
   "gradient_pct": 20.41630534159708,
   "start_distance_m": 93.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 947.9435994088801,
   "end_elevation_m": 949.9852299430398,
   "start_xy": [
    2579835.4946444007,
    1104550.802104484
   ],
   "end_xy": [
    2579828.0955611193,
    1104557.5291802255
   ]
  },
  "max_20m": {
   "gradient_pct": 17.110168745014676,
   "start_distance_m": 83.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 93.0,
   "start_elevation_m": 946.5631961940369,
   "end_elevation_m": 949.9852299430398,
   "start_xy": [
    2579833.6322203195,
    1104542.7483365096
   ],
   "end_xy": [
    2579828.0955611193,
    1104557.5291802255
   ]
  },
  "max_25m": {
   "gradient_pct": 16.622014827909425,
   "start_distance_m": 76.0,
   "end_distance_m": 101.0,
   "midpoint_distance_m": 88.5,
   "start_elevation_m": 945.5377150606756,
   "end_elevation_m": 949.693218767653,
   "start_xy": [
    2579829.792347146,
    1104536.8955286236
   ],
   "end_xy": [
    2579829.5755689126,
    1104556.1839752577
   ]
  },
  "max_50m": {
   "gradient_pct": 15.95769473984683,
   "start_distance_m": 53.0,
   "end_distance_m": 103.0,
   "midpoint_distance_m": 78.0,
   "start_elevation_m": 942.0063825731164,
   "end_elevation_m": 949.9852299430398,
   "start_xy": [
    2579817.118051244,
    1104517.7040725588
   ],
   "end_xy": [
    2579828.0955611193,
    1104557.5291802255
   ]
  },
  "max_100m": {
   "gradient_pct": 14.57900914427421,
   "start_distance_m": 2.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 935.2493273613081,
   "end_elevation_m": 949.8283365055823,
   "start_xy": [
    2579786.5971456785,
    1104476.981142822
   ],
   "end_xy": [
    2579828.835365467,
    1104556.8563581633
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.01200958323534,
   "start_distance_m": 6330.0,
   "end_distance_m": 6335.0,
   "midpoint_distance_m": 6332.5,
   "start_elevation_m": 1387.132217806342,
   "end_elevation_m": 1386.9816173271802,
   "start_xy": [
    2578453.4218148515,
    1105358.882140808
   ],
   "end_xy": [
    2578448.4386078934,
    1105358.9486747095
   ]
  },
  "min_10m": {
   "gradient_pct": -2.016824908239414,
   "start_distance_m": 6325.0,
   "end_distance_m": 6335.0,
   "midpoint_distance_m": 6330.0,
   "start_elevation_m": 1387.1832998180041,
   "end_elevation_m": 1386.9816173271802,
   "start_xy": [
    2578458.346356275,
    1105359.613952548
   ],
   "end_xy": [
    2578448.4386078934,
    1105358.9486747095
   ]
  },
  "min_20m": {
   "gradient_pct": 0.15005174827820156,
   "start_distance_m": 6315.0,
   "end_distance_m": 6335.0,
   "midpoint_distance_m": 6325.0,
   "start_elevation_m": 1386.9516069775245,
   "end_elevation_m": 1386.9816173271802,
   "start_xy": [
    2578465.8885180647,
    1105365.90429388
   ],
   "end_xy": [
    2578448.4386078934,
    1105358.9486747095
   ]
  },
  "min_25m": {
   "gradient_pct": 0.41363427270243847,
   "start_distance_m": 4636.0,
   "end_distance_m": 4661.0,
   "midpoint_distance_m": 4648.5,
   "start_elevation_m": 1266.1399413374745,
   "end_elevation_m": 1266.2433499056501,
   "start_xy": [
    2578786.391937369,
    1105064.9586175783
   ],
   "end_xy": [
    2578798.531683941,
    1105086.8095175228
   ]
  },
  "min_50m": {
   "gradient_pct": 0.6579854912429255,
   "start_distance_m": 4635.0,
   "end_distance_m": 4685.0,
   "midpoint_distance_m": 4660.0,
   "start_elevation_m": 1266.1314582629445,
   "end_elevation_m": 1266.460451008566,
   "start_xy": [
    2578785.879943769,
    1105064.0996283155
   ],
   "end_xy": [
    2578809.4437111984,
    1105108.1852894016
   ]
  },
  "min_100m": {
   "gradient_pct": 0.8521803012476994,
   "start_distance_m": 4621.0,
   "end_distance_m": 4721.0,
   "midpoint_distance_m": 4671.0,
   "start_elevation_m": 1265.9986850208377,
   "end_elevation_m": 1266.8508653220854,
   "start_xy": [
    2578778.712771419,
    1105052.0733391577
   ],
   "end_xy": [
    2578825.95791526,
    1105140.1732467918
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.85618973120245,
   "start_distance_m": 97.0,
   "end_distance_m": 99.0,
   "midpoint_distance_m": 98.0,
   "start_elevation_m": 948.7564042562406,
   "end_elevation_m": 949.2335280508646,
   "start_xy": [
    2579832.5348311765,
    1104553.4927370937
   ],
   "end_xy": [
    2579831.0548232067,
    1104554.8379418673
   ]
  },
  "max_3m": {
   "gradient_pct": 23.425583144660322,
   "start_distance_m": 97.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 98.5,
   "start_elevation_m": 948.7564042562406,
   "end_elevation_m": 949.4591717505804,
   "start_xy": [
    2579832.5348311765,
    1104553.4927370937
   ],
   "end_xy": [
    2579830.315108261,
    1104555.5108621654
   ]
  }
 },
 "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_2024_2578-1104_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2578-1105_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2578-1106_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2579-1104_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2579-1105_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2579-1106_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:57:11+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "2578-1104",
   "2578-1105",
   "2578-1106",
   "2579-1104",
   "2579-1105",
   "2579-1106"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Val de Bagnes",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}