{
 "ocl_version": "0.1.0",
 "name": "Chemin de Zavuisse",
 "slug": "chemin-de-zavuisse",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.99009304795277,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 215.0,
   "end_distance_m": 217.0,
   "start_elevation_m": 822.568059124867,
   "end_elevation_m": 823.127860985826,
   "min_gradient_pct": 2.5131432039302126
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.417193131801316,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 214.0,
   "end_distance_m": 217.0,
   "start_elevation_m": 822.305345191872,
   "end_elevation_m": 823.127860985826,
   "min_gradient_pct": 2.6802299491009762
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.183207875475546,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 214.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 822.305345191872,
   "end_elevation_m": 823.6645055856458,
   "min_gradient_pct": 2.637941431685249
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.785584113982623,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 209.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 821.0859471742475,
   "end_elevation_m": 823.6645055856458,
   "min_gradient_pct": 3.7255929282832767
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.344975641548444,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 200.0,
   "end_distance_m": 220.0,
   "start_elevation_m": 819.1999163389988,
   "end_elevation_m": 823.8689114673085,
   "min_gradient_pct": 7.9660083866872355
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.256954825511002,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 195.0,
   "end_distance_m": 220.0,
   "start_elevation_m": 818.3046727609308,
   "end_elevation_m": 823.8689114673085,
   "min_gradient_pct": 7.8013825495827405
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.843931809771902,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 170.0,
   "end_distance_m": 220.0,
   "start_elevation_m": 814.4469455624226,
   "end_elevation_m": 823.8689114673085,
   "min_gradient_pct": 10.616636151871717
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.494700920844252,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 53.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 795.7458594795856,
   "end_elevation_m": 812.2405604004299,
   "min_gradient_pct": 14.188540473014882
  }
 ],
 "shape": {
  "ascent_concentration": 0.304,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 173.0,
  "shape_class": "sustained"
 },
 "length_m": 223.78707460675741,
 "start_elevation_m": 790.244129807136,
 "end_elevation_m": 824.0912142822249,
 "endpoint_gain_m": 33.84708447508888,
 "overall_gradient_pct": 15.124682484261243,
 "accumulated_ascent_m": 33.84708447508888,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.183207875475546,
   "start_distance_m": 214.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 216.5,
   "start_elevation_m": 822.305345191872,
   "end_elevation_m": 823.6645055856458,
   "start_xy": [
    2596000.028655937,
    1122745.3779556814
   ],
   "end_xy": [
    2595998.3407611554,
    1122750.0844417599
   ]
  },
  "max_10m": {
   "gradient_pct": 25.785584113982623,
   "start_distance_m": 209.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 214.0,
   "start_elevation_m": 821.0859471742475,
   "end_elevation_m": 823.6645055856458,
   "start_xy": [
    2596001.716550718,
    1122740.671469603
   ],
   "end_xy": [
    2595998.3407611554,
    1122750.0844417599
   ]
  },
  "max_20m": {
   "gradient_pct": 23.344975641548444,
   "start_distance_m": 200.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 210.0,
   "start_elevation_m": 819.1999163389988,
   "end_elevation_m": 823.8689114673085,
   "start_xy": [
    2596004.7547613243,
    1122732.1997946615
   ],
   "end_xy": [
    2595998.0031821993,
    1122751.0257389757
   ]
  },
  "max_25m": {
   "gradient_pct": 22.256954825511002,
   "start_distance_m": 195.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 207.5,
   "start_elevation_m": 818.3046727609308,
   "end_elevation_m": 823.8689114673085,
   "start_xy": [
    2596006.4426561054,
    1122727.493308583
   ],
   "end_xy": [
    2595998.0031821993,
    1122751.0257389757
   ]
  },
  "max_50m": {
   "gradient_pct": 18.843931809771902,
   "start_distance_m": 170.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 195.0,
   "start_elevation_m": 814.4469455624226,
   "end_elevation_m": 823.8689114673085,
   "start_xy": [
    2596014.864576005,
    1122703.954660977
   ],
   "end_xy": [
    2595998.0031821993,
    1122751.0257389757
   ]
  },
  "max_100m": {
   "gradient_pct": 16.494700920844252,
   "start_distance_m": 53.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 103.0,
   "start_elevation_m": 795.7458594795856,
   "end_elevation_m": 812.2405604004299,
   "start_xy": [
    2596109.8158510993,
    1122684.8954865055
   ],
   "end_xy": [
    2596020.4767224076,
    1122687.9077356404
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 2.637941431685249,
   "start_distance_m": 45.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 47.5,
   "start_elevation_m": 795.4205508114876,
   "end_elevation_m": 795.5524478830719,
   "start_xy": [
    2596117.6736611696,
    1122686.3895046685
   ],
   "end_xy": [
    2596112.7657127227,
    1122685.4344957445
   ]
  },
  "min_10m": {
   "gradient_pct": 3.7255929282832767,
   "start_distance_m": 42.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 47.0,
   "start_elevation_m": 795.2898095614235,
   "end_elevation_m": 795.6623688542518,
   "start_xy": [
    2596120.6184302373,
    1122686.962510023
   ],
   "end_xy": [
    2596110.8025333444,
    1122685.0524921748
   ]
  },
  "min_20m": {
   "gradient_pct": 7.9660083866872355,
   "start_distance_m": 37.0,
   "end_distance_m": 57.0,
   "midpoint_distance_m": 47.0,
   "start_elevation_m": 794.6525850829163,
   "end_elevation_m": 796.2457867602537,
   "start_xy": [
    2596125.4847963396,
    1122688.0953818674
   ],
   "end_xy": [
    2596105.837965806,
    1122684.4754524704
   ]
  },
  "min_25m": {
   "gradient_pct": 7.8013825495827405,
   "start_distance_m": 26.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 38.5,
   "start_elevation_m": 793.6455486932667,
   "end_elevation_m": 795.5958943306624,
   "start_xy": [
    2596136.1105967844,
    1122690.9239643994
   ],
   "end_xy": [
    2596111.7841230333,
    1122685.2434939598
   ]
  },
  "min_50m": {
   "gradient_pct": 10.616636151871717,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 790.244129807136,
   "end_elevation_m": 795.5524478830719,
   "start_xy": [
    2596161.511,
    1122696.32
   ],
   "end_xy": [
    2596112.7657127227,
    1122685.4344957445
   ]
  },
  "min_100m": {
   "gradient_pct": 14.188540473014882,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 790.244129807136,
   "end_elevation_m": 804.4326702801509,
   "start_xy": [
    2596161.511,
    1122696.32
   ],
   "end_xy": [
    2596063.046452963,
    1122680.9643712705
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.99009304795277,
   "start_distance_m": 215.0,
   "end_distance_m": 217.0,
   "midpoint_distance_m": 216.0,
   "start_elevation_m": 822.568059124867,
   "end_elevation_m": 823.127860985826,
   "start_xy": [
    2595999.6910769804,
    1122746.319252897
   ],
   "end_xy": [
    2595999.015919068,
    1122748.2018473286
   ]
  },
  "max_3m": {
   "gradient_pct": 27.417193131801316,
   "start_distance_m": 214.0,
   "end_distance_m": 217.0,
   "midpoint_distance_m": 215.5,
   "start_elevation_m": 822.305345191872,
   "end_elevation_m": 823.127860985826,
   "start_xy": [
    2596000.028655937,
    1122745.3779556814
   ],
   "end_xy": [
    2595999.015919068,
    1122748.2018473286
   ]
  }
 },
 "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_2595-1122_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2596-1122_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T01:35:42+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": [
   "2595-1122",
   "2596-1122"
  ],
  "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": "Grimisuat",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}