{
 "ocl_version": "0.1.0",
 "name": "Chemin de la Morache",
 "slug": "chemin-de-la-morache",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 37.80628482005568,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 127.0,
   "end_distance_m": 129.0,
   "start_elevation_m": 662.25483494288,
   "end_elevation_m": 663.0109606392812,
   "min_gradient_pct": -5.0175664124481045
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 33.48376766282778,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 126.0,
   "end_distance_m": 129.0,
   "start_elevation_m": 662.0064476093963,
   "end_elevation_m": 663.0109606392812,
   "min_gradient_pct": -2.868906443760958
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.511216719922686,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 125.0,
   "end_distance_m": 130.0,
   "start_elevation_m": 661.7824880236924,
   "end_elevation_m": 663.2580488596885,
   "min_gradient_pct": -1.766120978222716
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.816416333592997,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 120.0,
   "end_distance_m": 130.0,
   "start_elevation_m": 660.4764072263292,
   "end_elevation_m": 663.2580488596885,
   "min_gradient_pct": -1.0767694146500162
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.84430084717394,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 112.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 658.8898615349608,
   "end_elevation_m": 663.6587217043956,
   "min_gradient_pct": 0.8899536418334719
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.822162780505096,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 659.2115192494924,
   "end_elevation_m": 664.6670599446187,
   "min_gradient_pct": 1.2509042580613823
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.125417816310346,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 109.0,
   "end_distance_m": 159.0,
   "start_elevation_m": 658.4850627772698,
   "end_elevation_m": 667.547771685425,
   "min_gradient_pct": 2.474384566722847
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.5267851565892,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 110.0,
   "end_distance_m": 210.0,
   "start_elevation_m": 658.5953981889536,
   "end_elevation_m": 675.1221833455428,
   "min_gradient_pct": 3.5894148244050257
  }
 ],
 "shape": {
  "ascent_concentration": 0.396,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 79.0,
  "shape_class": "sustained"
 },
 "length_m": 240.1419363194283,
 "start_elevation_m": 654.1460249708434,
 "end_elevation_m": 679.4897706030098,
 "endpoint_gain_m": 25.34374563216636,
 "overall_gradient_pct": 10.553652569226811,
 "accumulated_ascent_m": 25.598180859403556,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.511216719922686,
   "start_distance_m": 125.0,
   "end_distance_m": 130.0,
   "midpoint_distance_m": 127.5,
   "start_elevation_m": 661.7824880236924,
   "end_elevation_m": 663.2580488596885,
   "start_xy": [
    2601050.1888575573,
    1123994.7661540466
   ],
   "end_xy": [
    2601052.191495844,
    1123999.2086941944
   ]
  },
  "max_10m": {
   "gradient_pct": 27.816416333592997,
   "start_distance_m": 120.0,
   "end_distance_m": 130.0,
   "midpoint_distance_m": 125.0,
   "start_elevation_m": 660.4764072263292,
   "end_elevation_m": 663.2580488596885,
   "start_xy": [
    2601050.003836241,
    1123989.7695785086
   ],
   "end_xy": [
    2601052.191495844,
    1123999.2086941944
   ]
  },
  "max_20m": {
   "gradient_pct": 23.84430084717394,
   "start_distance_m": 112.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 122.0,
   "start_elevation_m": 658.8898615349608,
   "end_elevation_m": 663.6587217043956,
   "start_xy": [
    2601051.1943910928,
    1123982.0768596642
   ],
   "end_xy": [
    2601053.310305759,
    1124000.8664829896
   ]
  },
  "max_25m": {
   "gradient_pct": 21.822162780505096,
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 126.5,
   "start_elevation_m": 659.2115192494924,
   "end_elevation_m": 664.6670599446187,
   "start_xy": [
    2601050.3292865977,
    1123983.8800773416
   ],
   "end_xy": [
    2601057.2355737276,
    1124006.6622930574
   ]
  },
  "max_50m": {
   "gradient_pct": 18.125417816310346,
   "start_distance_m": 109.0,
   "end_distance_m": 159.0,
   "midpoint_distance_m": 134.0,
   "start_elevation_m": 658.4850627772698,
   "end_elevation_m": 667.547771685425,
   "start_xy": [
    2601052.4921833654,
    1123979.372098622
   ],
   "end_xy": [
    2601069.4735443927,
    1124021.3507054532
   ]
  },
  "max_100m": {
   "gradient_pct": 16.5267851565892,
   "start_distance_m": 110.0,
   "end_distance_m": 210.0,
   "midpoint_distance_m": 160.0,
   "start_elevation_m": 658.5953981889536,
   "end_elevation_m": 675.1221833455428,
   "start_xy": [
    2601052.0591414836,
    1123980.2734723394
   ],
   "end_xy": [
    2601086.070031853,
    1124069.5723462855
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.766120978222716,
   "start_distance_m": 9.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 11.5,
   "start_elevation_m": 654.2148530795059,
   "end_elevation_m": 654.1265470305948,
   "start_xy": [
    2601097.2361470824,
    1123897.24565597
   ],
   "end_xy": [
    2601093.6324188155,
    1123893.8399585658
   ]
  },
  "min_10m": {
   "gradient_pct": -1.0767694146500162,
   "start_distance_m": 4.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 9.0,
   "start_elevation_m": 654.2342239720598,
   "end_elevation_m": 654.1265470305948,
   "start_xy": [
    2601100.7081196494,
    1123900.8436275504
   ],
   "end_xy": [
    2601093.6324188155,
    1123893.8399585658
   ]
  },
  "min_20m": {
   "gradient_pct": 0.8899536418334719,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 654.1460249708434,
   "end_elevation_m": 654.3240156992101,
   "start_xy": [
    2601103.4853874254,
    1123903.7223039572
   ],
   "end_xy": [
    2601090.9913723124,
    1123899.1298987856
   ]
  },
  "min_25m": {
   "gradient_pct": 1.2509042580613823,
   "start_distance_m": 3.0,
   "end_distance_m": 28.0,
   "midpoint_distance_m": 15.5,
   "start_elevation_m": 654.2115769874704,
   "end_elevation_m": 654.5243030519857,
   "start_xy": [
    2601101.4024075507,
    1123901.5633248365
   ],
   "end_xy": [
    2601087.5309154526,
    1123906.3427504103
   ]
  },
  "min_50m": {
   "gradient_pct": 2.474384566722847,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 654.1460249708434,
   "end_elevation_m": 655.3832172542049,
   "start_xy": [
    2601103.4853874254,
    1123903.7223039572
   ],
   "end_xy": [
    2601078.0142749683,
    1123926.1779073582
   ]
  },
  "min_100m": {
   "gradient_pct": 3.5894148244050257,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 654.1460249708434,
   "end_elevation_m": 657.7354397952485,
   "start_xy": [
    2601103.4853874254,
    1123903.7223039572
   ],
   "end_xy": [
    2601056.385085857,
    1123971.2575880901
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 37.80628482005568,
   "start_distance_m": 127.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 128.0,
   "start_elevation_m": 662.25483494288,
   "end_elevation_m": 663.0109606392812,
   "start_xy": [
    2601050.5247149477,
    1123996.7162752491
   ],
   "end_xy": [
    2601051.632418127,
    1123998.3795789394
   ]
  },
  "max_3m": {
   "gradient_pct": 33.48376766282778,
   "start_distance_m": 126.0,
   "end_distance_m": 129.0,
   "midpoint_distance_m": 127.5,
   "start_elevation_m": 662.0064476093963,
   "end_elevation_m": 663.0109606392812,
   "start_xy": [
    2601050.2258353946,
    1123995.7654701325
   ],
   "end_xy": [
    2601051.632418127,
    1123998.3795789394
   ]
  }
 },
 "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_2024_2601-1123_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2601-1124_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T00:39:18+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-extent-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": [
   "2601-1123",
   "2601-1124"
  ],
  "route_base_cut_m": 300.2,
  "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": "Lens",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}