{
 "ocl_version": "0.1.0",
 "name": "Chemin de Tribovet",
 "slug": "chemin-de-tribovet-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.440152407360756,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 25.0,
   "end_distance_m": 27.0,
   "start_elevation_m": 611.7569312039823,
   "end_elevation_m": 612.4057342521295,
   "min_gradient_pct": -5.034693622036457
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.914388440608793,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 21.0,
   "end_distance_m": 24.0,
   "start_elevation_m": 610.5690753757447,
   "end_elevation_m": 611.4965070289629,
   "min_gradient_pct": -4.660738195419374
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.082375107048392,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 22.0,
   "end_distance_m": 27.0,
   "start_elevation_m": 610.8516154967771,
   "end_elevation_m": 612.4057342521295,
   "min_gradient_pct": -2.6343061855368433
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.860705355539494,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 20.0,
   "end_distance_m": 30.0,
   "start_elevation_m": 610.2617596059582,
   "end_elevation_m": 613.2478301415122,
   "min_gradient_pct": -1.1241408096998384
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 29.129452901387367,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 19.0,
   "end_distance_m": 39.0,
   "start_elevation_m": 610.0184476193588,
   "end_elevation_m": 615.8443381996362,
   "min_gradient_pct": 0.8592355717792088
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 28.290462617326284,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 19.0,
   "end_distance_m": 44.0,
   "start_elevation_m": 610.0184476193588,
   "end_elevation_m": 617.0910632736903,
   "min_gradient_pct": 1.3640710969157226
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.369337237093987,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "start_elevation_m": 606.0408322891036,
   "end_elevation_m": 618.2255009076506,
   "min_gradient_pct": 2.436377970075455
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.045170052269327,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7.0,
   "end_distance_m": 107.0,
   "start_elevation_m": 607.3096407546219,
   "end_elevation_m": 626.3548108068912,
   "min_gradient_pct": 6.05842420306692
  }
 ],
 "shape": {
  "ascent_concentration": 0.463,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 89.0,
  "shape_class": "stepped"
 },
 "length_m": 339.6184319987301,
 "start_elevation_m": 606.0408322891036,
 "end_elevation_m": 642.2420723511023,
 "endpoint_gain_m": 36.20124006199865,
 "overall_gradient_pct": 10.659386137833064,
 "accumulated_ascent_m": 36.53179332448565,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.082375107048392,
   "start_distance_m": 22.0,
   "end_distance_m": 27.0,
   "midpoint_distance_m": 24.5,
   "start_elevation_m": 610.8516154967771,
   "end_elevation_m": 612.4057342521295,
   "start_xy": [
    2594146.1088911095,
    1118522.7674277276
   ],
   "end_xy": [
    2594146.796328312,
    1118517.8366982748
   ]
  },
  "max_10m": {
   "gradient_pct": 29.860705355539494,
   "start_distance_m": 20.0,
   "end_distance_m": 30.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 610.2617596059582,
   "end_elevation_m": 613.2478301415122,
   "start_xy": [
    2594145.6744711646,
    1118524.7167919143
   ],
   "end_xy": [
    2594146.8007567143,
    1118514.8367015433
   ]
  },
  "max_20m": {
   "gradient_pct": 29.129452901387367,
   "start_distance_m": 19.0,
   "end_distance_m": 39.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 610.0184476193588,
   "end_elevation_m": 615.8443381996362,
   "start_xy": [
    2594145.3055904335,
    1118525.6462686523
   ],
   "end_xy": [
    2594146.205011542,
    1118505.9769969129
   ]
  },
  "max_25m": {
   "gradient_pct": 28.290462617326284,
   "start_distance_m": 19.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 31.5,
   "start_elevation_m": 610.0184476193588,
   "end_elevation_m": 617.0910632736903,
   "start_xy": [
    2594145.3055904335,
    1118525.6462686523
   ],
   "end_xy": [
    2594143.1641404335,
    1118502.089504733
   ]
  },
  "max_50m": {
   "gradient_pct": 24.369337237093987,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 606.0408322891036,
   "end_elevation_m": 618.2255009076506,
   "start_xy": [
    2594128.757,
    1118532.383
   ],
   "end_xy": [
    2594138.104007697,
    1118498.8779170057
   ]
  },
  "max_100m": {
   "gradient_pct": 19.045170052269327,
   "start_distance_m": 7.0,
   "end_distance_m": 107.0,
   "midpoint_distance_m": 57.0,
   "start_elevation_m": 607.3096407546219,
   "end_elevation_m": 626.3548108068912,
   "start_xy": [
    2594135.6989197056,
    1118531.7186547094
   ],
   "end_xy": [
    2594119.713270587,
    1118455.8802295919
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.6343061855368433,
   "start_distance_m": 120.0,
   "end_distance_m": 125.0,
   "midpoint_distance_m": 122.5,
   "start_elevation_m": 627.234271704442,
   "end_elevation_m": 627.1025563951652,
   "start_xy": [
    2594110.8475388866,
    1118446.9918048903
   ],
   "end_xy": [
    2594108.274073524,
    1118442.9728292578
   ]
  },
  "min_10m": {
   "gradient_pct": -1.1241408096998384,
   "start_distance_m": 118.0,
   "end_distance_m": 128.0,
   "midpoint_distance_m": 123.0,
   "start_elevation_m": 627.2023525647296,
   "end_elevation_m": 627.0899384837596,
   "start_xy": [
    2594112.4458214426,
    1118448.1940914083
   ],
   "end_xy": [
    2594106.5819162345,
    1118440.5057816647
   ]
  },
  "min_20m": {
   "gradient_pct": 0.8592355717792088,
   "start_distance_m": 117.0,
   "end_distance_m": 137.0,
   "midpoint_distance_m": 127.0,
   "start_elevation_m": 627.2057198658533,
   "end_elevation_m": 627.3775669802092,
   "start_xy": [
    2594113.2449627207,
    1118448.7952346674
   ],
   "end_xy": [
    2594100.549439977,
    1118433.8367116344
   ]
  },
  "min_25m": {
   "gradient_pct": 1.3640710969157226,
   "start_distance_m": 117.0,
   "end_distance_m": 142.0,
   "midpoint_distance_m": 129.5,
   "start_elevation_m": 627.2057198658533,
   "end_elevation_m": 627.5467376400823,
   "start_xy": [
    2594113.2449627207,
    1118448.7952346674
   ],
   "end_xy": [
    2594097.0781112458,
    1118430.2381179035
   ]
  },
  "min_50m": {
   "gradient_pct": 2.436377970075455,
   "start_distance_m": 289.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 314.0,
   "start_elevation_m": 641.0105501330506,
   "end_elevation_m": 642.2287391180884,
   "start_xy": [
    2593998.741477657,
    1118336.3687966634
   ],
   "end_xy": [
    2593951.5713474182,
    1118319.864026027
   ]
  },
  "min_100m": {
   "gradient_pct": 6.05842420306692,
   "start_distance_m": 239.0,
   "end_distance_m": 339.0,
   "midpoint_distance_m": 289.0,
   "start_elevation_m": 636.1703149150214,
   "end_elevation_m": 642.2287391180884,
   "start_xy": [
    2594046.1595600354,
    1118351.4639550322
   ],
   "end_xy": [
    2593951.5713474182,
    1118319.864026027
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.440152407360756,
   "start_distance_m": 25.0,
   "end_distance_m": 27.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 611.7569312039823,
   "end_elevation_m": 612.4057342521295,
   "start_xy": [
    2594146.709390347,
    1118519.8281419869
   ],
   "end_xy": [
    2594146.796328312,
    1118517.8366982748
   ]
  },
  "max_3m": {
   "gradient_pct": 30.914388440608793,
   "start_distance_m": 21.0,
   "end_distance_m": 24.0,
   "midpoint_distance_m": 22.5,
   "start_elevation_m": 610.5690753757447,
   "end_elevation_m": 611.4965070289629,
   "start_xy": [
    2594145.908724697,
    1118523.7471896412
   ],
   "end_xy": [
    2594146.5092239343,
    1118520.8079039005
   ]
  }
 },
 "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_2593-1118_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2594-1118_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:49:35+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": [
   "2593-1118",
   "2594-1118"
  ],
  "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": "Sion",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}