{
 "ocl_version": "0.1.0",
 "name": "Route du Stade",
 "slug": "route-du-stade",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.005786210710085,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2195.0,
   "end_distance_m": 2197.0,
   "start_elevation_m": 1177.5880664878198,
   "end_elevation_m": 1178.208182212034,
   "min_gradient_pct": -93.90223757957301,
   "suppressed_max_gradient_pct": 163.17765881818787,
   "suppressed_location_m": [
    469.0,
    471.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.011480629385307,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2195.0,
   "end_distance_m": 2198.0,
   "start_elevation_m": 1177.5880664878198,
   "end_elevation_m": 1178.4884109067013,
   "min_gradient_pct": -93.0599112184306,
   "suppressed_max_gradient_pct": 137.31372745526946,
   "suppressed_location_m": [
    469.0,
    472.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.445616565795717,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2187.0,
   "end_distance_m": 2192.0,
   "start_elevation_m": 1175.390497301851,
   "end_elevation_m": 1176.8127781301407,
   "min_gradient_pct": -78.34574002290537,
   "suppressed_max_gradient_pct": 102.9932092762192,
   "suppressed_location_m": [
    467.0,
    472.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.176849101830612,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2187.0,
   "end_distance_m": 2197.0,
   "start_elevation_m": 1175.390497301851,
   "end_elevation_m": 1178.208182212034,
   "min_gradient_pct": -41.40456069900324,
   "suppressed_max_gradient_pct": 55.17298318849839,
   "suppressed_location_m": [
    466.0,
    476.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.43385356145268,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2187.0,
   "end_distance_m": 2207.0,
   "start_elevation_m": 1175.390497301851,
   "end_elevation_m": 1180.8772680141415,
   "min_gradient_pct": -17.643914468741855,
   "suppressed_max_gradient_pct": 31.80192562655577,
   "suppressed_location_m": [
    466.0,
    486.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 27.12969205419904,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2183.0,
   "end_distance_m": 2208.0,
   "start_elevation_m": 1174.3552814796171,
   "end_elevation_m": 1181.137704493167,
   "min_gradient_pct": -12.858647760397162
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.173175076353346,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2175.0,
   "end_distance_m": 2225.0,
   "start_elevation_m": 1172.8771788398788,
   "end_elevation_m": 1185.4637663780554,
   "min_gradient_pct": -2.9900908981935572
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.655942762926315,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2124.0,
   "end_distance_m": 2224.0,
   "start_elevation_m": 1164.6593220943118,
   "end_elevation_m": 1185.3152648572382,
   "min_gradient_pct": 1.9455901970853802
  }
 ],
 "shape": {
  "ascent_concentration": 0.296,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 145.0,
  "shape_class": "sustained"
 },
 "length_m": 2229.749584843101,
 "start_elevation_m": 966.6554763257307,
 "end_elevation_m": 1185.8129067773395,
 "endpoint_gain_m": 219.1574304516089,
 "overall_gradient_pct": 9.828791176432944,
 "accumulated_ascent_m": 224.8143401556265,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.445616565795717,
   "start_distance_m": 2187.0,
   "end_distance_m": 2192.0,
   "midpoint_distance_m": 2189.5,
   "start_elevation_m": 1175.390497301851,
   "end_elevation_m": 1176.8127781301407,
   "start_xy": [
    2591031.58103264,
    1113338.333931478
   ],
   "end_xy": [
    2591036.0969585553,
    1113336.190456278
   ]
  },
  "max_10m": {
   "gradient_pct": 28.176849101830612,
   "start_distance_m": 2187.0,
   "end_distance_m": 2197.0,
   "midpoint_distance_m": 2192.0,
   "start_elevation_m": 1175.390497301851,
   "end_elevation_m": 1178.208182212034,
   "start_xy": [
    2591031.58103264,
    1113338.333931478
   ],
   "end_xy": [
    2591040.4711649674,
    1113333.7684079169
   ]
  },
  "max_20m": {
   "gradient_pct": 27.43385356145268,
   "start_distance_m": 2187.0,
   "end_distance_m": 2207.0,
   "midpoint_distance_m": 2197.0,
   "start_elevation_m": 1175.390497301851,
   "end_elevation_m": 1180.8772680141415,
   "start_xy": [
    2591031.58103264,
    1113338.333931478
   ],
   "end_xy": [
    2591048.21318142,
    1113327.6272748352
   ]
  },
  "max_25m": {
   "gradient_pct": 27.12969205419904,
   "start_distance_m": 2183.0,
   "end_distance_m": 2208.0,
   "midpoint_distance_m": 2195.5,
   "start_elevation_m": 1174.3552814796171,
   "end_elevation_m": 1181.137704493167,
   "start_xy": [
    2591027.954449256,
    1113340.0215016128
   ],
   "end_xy": [
    2591048.6698378096,
    1113326.737631681
   ]
  },
  "max_50m": {
   "gradient_pct": 25.173175076353346,
   "start_distance_m": 2175.0,
   "end_distance_m": 2225.0,
   "midpoint_distance_m": 2200.0,
   "start_elevation_m": 1172.8771788398788,
   "end_elevation_m": 1185.4637663780554,
   "start_xy": [
    2591020.495188249,
    1113342.0996511972
   ],
   "end_xy": [
    2591055.8230361817,
    1113311.3266950315
   ]
  },
  "max_100m": {
   "gradient_pct": 20.655942762926315,
   "start_distance_m": 2124.0,
   "end_distance_m": 2224.0,
   "midpoint_distance_m": 2174.0,
   "start_elevation_m": 1164.6593220943118,
   "end_elevation_m": 1185.3152648572382,
   "start_xy": [
    2591018.2761235344,
    1113385.8953692433
   ],
   "end_xy": [
    2591055.428693543,
    1113312.2456585146
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -78.34574002290537,
   "start_distance_m": 458.0,
   "end_distance_m": 463.0,
   "midpoint_distance_m": 460.5,
   "start_elevation_m": 1000.2793337621499,
   "end_elevation_m": 996.3620467610046,
   "start_xy": [
    2591488.7855827226,
    1114439.1157303404
   ],
   "end_xy": [
    2591488.138247042,
    1114434.18284365
   ]
  },
  "min_10m": {
   "gradient_pct": -41.40456069900324,
   "start_distance_m": 455.0,
   "end_distance_m": 465.0,
   "midpoint_distance_m": 460.0,
   "start_elevation_m": 1000.1052292109831,
   "end_elevation_m": 995.9647731410828,
   "start_xy": [
    2591488.545976147,
    1114442.1032280999
   ],
   "end_xy": [
    2591487.4589869813,
    1114432.3021671956
   ]
  },
  "min_20m": {
   "gradient_pct": -17.643914468741855,
   "start_distance_m": 446.0,
   "end_distance_m": 466.0,
   "midpoint_distance_m": 456.0,
   "start_elevation_m": 999.5479283143295,
   "end_elevation_m": 996.0191454205811,
   "start_xy": [
    2591485.8046176755,
    1114450.5662196015
   ],
   "end_xy": [
    2591487.11597007,
    1114431.3628379675
   ]
  },
  "min_25m": {
   "gradient_pct": -12.858647760397162,
   "start_distance_m": 440.0,
   "end_distance_m": 465.0,
   "midpoint_distance_m": 452.5,
   "start_elevation_m": 999.1794350811821,
   "end_elevation_m": 995.9647731410828,
   "start_xy": [
    2591482.192274353,
    1114455.3394901522
   ],
   "end_xy": [
    2591487.4589869813,
    1114432.3021671956
   ]
  },
  "min_50m": {
   "gradient_pct": -2.9900908981935572,
   "start_distance_m": 415.0,
   "end_distance_m": 465.0,
   "midpoint_distance_m": 440.0,
   "start_elevation_m": 997.4598185901796,
   "end_elevation_m": 995.9647731410828,
   "start_xy": [
    2591462.383742337,
    1114470.3720813286
   ],
   "end_xy": [
    2591487.4589869813,
    1114432.3021671956
   ]
  },
  "min_100m": {
   "gradient_pct": 1.9455901970853802,
   "start_distance_m": 365.0,
   "end_distance_m": 465.0,
   "midpoint_distance_m": 415.0,
   "start_elevation_m": 994.0191829439974,
   "end_elevation_m": 995.9647731410828,
   "start_xy": [
    2591414.9819183056,
    1114485.8895765305
   ],
   "end_xy": [
    2591487.4589869813,
    1114432.3021671956
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.005786210710085,
   "start_distance_m": 2195.0,
   "end_distance_m": 2197.0,
   "midpoint_distance_m": 2196.0,
   "start_elevation_m": 1177.5880664878198,
   "end_elevation_m": 1178.208182212034,
   "start_xy": [
    2591038.7214824026,
    1113334.7372272613
   ],
   "end_xy": [
    2591040.4711649674,
    1113333.7684079169
   ]
  },
  "max_3m": {
   "gradient_pct": 30.011480629385307,
   "start_distance_m": 2195.0,
   "end_distance_m": 2198.0,
   "midpoint_distance_m": 2196.5,
   "start_elevation_m": 1177.5880664878198,
   "end_elevation_m": 1178.4884109067013,
   "start_xy": [
    2591038.7214824026,
    1113334.7372272613
   ],
   "end_xy": [
    2591041.3460062495,
    1113333.2839982447
   ]
  }
 },
 "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": 0.013,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    453.0,
    480.0
   ]
  ],
  "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_2590-1113_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2590-1114_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2591-1113_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2591-1114_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:29:33+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": [
   "2590-1113",
   "2590-1114",
   "2591-1113",
   "2591-1114"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "mask_basin_extension_m": 1.0,
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Nendaz",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}