{
 "ocl_version": "0.1.0",
 "name": "Route de Nendaz",
 "slug": "route-de-nendaz-9",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 44.823788351595795,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2135.0,
   "end_distance_m": 2137.0,
   "start_elevation_m": 839.4286351307801,
   "end_elevation_m": 840.325110897812,
   "min_gradient_pct": -20.830961245178514,
   "suppressed_max_gradient_pct": 146.90348901054904,
   "suppressed_location_m": [
    1920.0,
    1922.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 39.74815136568092,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2134.0,
   "end_distance_m": 2137.0,
   "start_elevation_m": 839.1326663568416,
   "end_elevation_m": 840.325110897812,
   "min_gradient_pct": -11.884588103506152,
   "suppressed_max_gradient_pct": 122.60175604068309,
   "suppressed_location_m": [
    1920.0,
    1923.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 34.67572830110839,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1889.0,
   "end_distance_m": 1894.0,
   "start_elevation_m": 806.8941745676049,
   "end_elevation_m": 808.6279609826603,
   "min_gradient_pct": -7.808729495300213,
   "suppressed_max_gradient_pct": 88.19738735844794,
   "suppressed_location_m": [
    1919.0,
    1924.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 30.805372116736862,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2190.0,
   "end_distance_m": 2200.0,
   "start_elevation_m": 848.9295036794495,
   "end_elevation_m": 852.0100408911231,
   "min_gradient_pct": -3.2328920878910594,
   "suppressed_max_gradient_pct": 52.03192679994913,
   "suppressed_location_m": [
    1914.0,
    1924.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.11336066387844,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1881.0,
   "end_distance_m": 1901.0,
   "start_elevation_m": 805.0338381020724,
   "end_elevation_m": 810.4565102348481,
   "min_gradient_pct": 0.2438752583572068,
   "suppressed_max_gradient_pct": 30.24971658963807,
   "suppressed_location_m": [
    1904.0,
    1924.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.107646181515065,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2946.0,
   "end_distance_m": 2971.0,
   "start_elevation_m": 931.6012674693949,
   "end_elevation_m": 938.1281790147737,
   "min_gradient_pct": 0.3878681408059492,
   "suppressed_max_gradient_pct": 29.126427767264886,
   "suppressed_location_m": [
    1899.0,
    1924.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.33587270211865,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2926.0,
   "end_distance_m": 2976.0,
   "start_elevation_m": 927.0875339546299,
   "end_elevation_m": 939.2554703056892,
   "min_gradient_pct": 0.9057872318956015,
   "suppressed_max_gradient_pct": 26.091541541683227,
   "suppressed_location_m": [
    1874.0,
    1924.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.275049098449813,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2411.0,
   "end_distance_m": 2511.0,
   "start_elevation_m": 876.3073591346548,
   "end_elevation_m": 896.5824082331046,
   "min_gradient_pct": 1.558633934187128,
   "suppressed_max_gradient_pct": 20.486298608369566,
   "suppressed_location_m": [
    1824.0,
    1924.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.401,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 102.0,
  "shape_class": "sustained"
 },
 "length_m": 3040.9879091644602,
 "start_elevation_m": 685.573987916023,
 "end_elevation_m": 950.6805066113495,
 "endpoint_gain_m": 265.1065186953265,
 "overall_gradient_pct": 8.717776150848524,
 "accumulated_ascent_m": 269.7274998613127,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 34.67572830110839,
   "start_distance_m": 1889.0,
   "end_distance_m": 1894.0,
   "midpoint_distance_m": 1891.5,
   "start_elevation_m": 806.8941745676049,
   "end_elevation_m": 808.6279609826603,
   "start_xy": [
    2591192.2895932696,
    1116402.333424002
   ],
   "end_xy": [
    2591189.3859813316,
    1116398.262915715
   ]
  },
  "max_10m": {
   "gradient_pct": 30.805372116736862,
   "start_distance_m": 2190.0,
   "end_distance_m": 2200.0,
   "midpoint_distance_m": 2195.0,
   "start_elevation_m": 848.9295036794495,
   "end_elevation_m": 852.0100408911231,
   "start_xy": [
    2591094.5595549387,
    1116122.9320245825
   ],
   "end_xy": [
    2591091.355932857,
    1116113.4590733233
   ]
  },
  "max_20m": {
   "gradient_pct": 27.11336066387844,
   "start_distance_m": 1881.0,
   "end_distance_m": 1901.0,
   "midpoint_distance_m": 1891.0,
   "start_elevation_m": 805.0338381020724,
   "end_elevation_m": 810.4565102348481,
   "start_xy": [
    2591196.9353723703,
    1116408.846237261
   ],
   "end_xy": [
    2591185.0514659802,
    1116392.776686132
   ]
  },
  "max_25m": {
   "gradient_pct": 26.107646181515065,
   "start_distance_m": 2946.0,
   "end_distance_m": 2971.0,
   "midpoint_distance_m": 2958.5,
   "start_elevation_m": 931.6012674693949,
   "end_elevation_m": 938.1281790147737,
   "start_xy": [
    2591351.5019617532,
    1115846.5533723964
   ],
   "end_xy": [
    2591369.8482596152,
    1115829.578112317
   ]
  },
  "max_50m": {
   "gradient_pct": 24.33587270211865,
   "start_distance_m": 2926.0,
   "end_distance_m": 2976.0,
   "midpoint_distance_m": 2951.0,
   "start_elevation_m": 927.0875339546299,
   "end_elevation_m": 939.2554703056892,
   "start_xy": [
    2591338.212518895,
    1115861.4259817302
   ],
   "end_xy": [
    2591374.522643868,
    1115828.3662291386
   ]
  },
  "max_100m": {
   "gradient_pct": 20.275049098449813,
   "start_distance_m": 2411.0,
   "end_distance_m": 2511.0,
   "midpoint_distance_m": 2461.0,
   "start_elevation_m": 876.3073591346548,
   "end_elevation_m": 896.5824082331046,
   "start_xy": [
    2591187.7656823774,
    1115940.9474315108
   ],
   "end_xy": [
    2591225.750343948,
    1115855.8684058315
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.808729495300213,
   "start_distance_m": 2703.0,
   "end_distance_m": 2708.0,
   "midpoint_distance_m": 2705.5,
   "start_elevation_m": 910.666801335917,
   "end_elevation_m": 910.2763648611519,
   "start_xy": [
    2591303.926599492,
    1115691.2095281342
   ],
   "end_xy": [
    2591305.9872243796,
    1115686.7696618852
   ]
  },
  "min_10m": {
   "gradient_pct": -3.2328920878910594,
   "start_distance_m": 2699.0,
   "end_distance_m": 2709.0,
   "midpoint_distance_m": 2704.0,
   "start_elevation_m": 910.6482338811583,
   "end_elevation_m": 910.3249446723692,
   "start_xy": [
    2591303.4655533177,
    1115695.1828688476
   ],
   "end_xy": [
    2591306.0934294504,
    1115687.6710031023
   ]
  },
  "min_20m": {
   "gradient_pct": 0.2438752583572068,
   "start_distance_m": 93.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 103.0,
   "start_elevation_m": 688.0212133370675,
   "end_elevation_m": 688.0699883887389,
   "start_xy": [
    2592479.313078447,
    1117504.3138734973
   ],
   "end_xy": [
    2592461.4180065035,
    1117495.3867553542
   ]
  },
  "min_25m": {
   "gradient_pct": 0.3878681408059492,
   "start_distance_m": 88.0,
   "end_distance_m": 113.0,
   "midpoint_distance_m": 100.5,
   "start_elevation_m": 687.9730213535374,
   "end_elevation_m": 688.0699883887389,
   "start_xy": [
    2592483.8492965903,
    1117506.412979214
   ],
   "end_xy": [
    2592461.4180065035,
    1117495.3867553542
   ]
  },
  "min_50m": {
   "gradient_pct": 0.9057872318956015,
   "start_distance_m": 83.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 108.0,
   "start_elevation_m": 687.9324331440928,
   "end_elevation_m": 688.3853267600406,
   "start_xy": [
    2592488.49621932,
    1117508.2585439354
   ],
   "end_xy": [
    2592443.1904495526,
    1117487.188913589
   ]
  },
  "min_100m": {
   "gradient_pct": 1.558633934187128,
   "start_distance_m": 71.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 121.0,
   "start_elevation_m": 687.640552869936,
   "end_elevation_m": 689.1991868041231,
   "start_xy": [
    2592499.8247611886,
    1117512.1995411713
   ],
   "end_xy": [
    2592406.485686355,
    1117477.4829317715
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 44.823788351595795,
   "start_distance_m": 2135.0,
   "end_distance_m": 2137.0,
   "midpoint_distance_m": 2136.0,
   "start_elevation_m": 839.4286351307801,
   "end_elevation_m": 840.325110897812,
   "start_xy": [
    2591112.8129270533,
    1116174.7529965502
   ],
   "end_xy": [
    2591112.3237477415,
    1116172.8137431885
   ]
  },
  "max_3m": {
   "gradient_pct": 39.74815136568092,
   "start_distance_m": 2134.0,
   "end_distance_m": 2137.0,
   "midpoint_distance_m": 2135.5,
   "start_elevation_m": 839.1326663568416,
   "end_elevation_m": 840.325110897812,
   "start_xy": [
    2591113.0575167094,
    1116175.722623231
   ],
   "end_xy": [
    2591112.3237477415,
    1116172.8137431885
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.005,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    1918.0,
    1925.0
   ],
   [
    2100.0,
    2105.0
   ]
  ],
  "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_2591-1115_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2591-1116_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2591-1117_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2592-1117_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T01:34:29+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": [
   "2591-1115",
   "2591-1116",
   "2591-1117",
   "2592-1117"
  ],
  "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": "Sion",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}