{
 "ocl_version": "0.1.0",
 "name": "Route de la Laiterie",
 "slug": "route-de-la-laiterie",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.97032841253622,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3982.0,
   "end_distance_m": 3984.0,
   "start_elevation_m": 1228.6801484679609,
   "end_elevation_m": 1229.2995550362116,
   "min_gradient_pct": -101.91973865925092,
   "suppressed_max_gradient_pct": 197.79204093456997,
   "suppressed_location_m": [
    12.0,
    14.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.789742845798475,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4051.0,
   "end_distance_m": 4054.0,
   "start_elevation_m": 1241.771942472326,
   "end_elevation_m": 1242.5456347576999,
   "min_gradient_pct": -91.46535050228597,
   "suppressed_max_gradient_pct": 182.46449989962912,
   "suppressed_location_m": [
    12.0,
    15.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.710314693378677,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3982.0,
   "end_distance_m": 3987.0,
   "start_elevation_m": 1228.6801484679609,
   "end_elevation_m": 1229.9656642026298,
   "min_gradient_pct": -82.30543497065128,
   "suppressed_max_gradient_pct": 152.0177654850545,
   "suppressed_location_m": [
    11.0,
    16.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.480486513354663,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4047.0,
   "end_distance_m": 4057.0,
   "start_elevation_m": 1240.949815962813,
   "end_elevation_m": 1243.1978646141486,
   "min_gradient_pct": -43.61089777768825,
   "suppressed_max_gradient_pct": 87.11821635044089,
   "suppressed_location_m": [
    10.0,
    20.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.590769678136894,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4047.0,
   "end_distance_m": 4067.0,
   "start_elevation_m": 1240.949815962813,
   "end_elevation_m": 1245.2679698984405,
   "min_gradient_pct": 0.7633526001302471,
   "suppressed_max_gradient_pct": 48.021975288754106,
   "suppressed_location_m": [
    10.0,
    30.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.391357758851882,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4043.0,
   "end_distance_m": 4068.0,
   "start_elevation_m": 1240.1050220588986,
   "end_elevation_m": 1245.4528614986116,
   "min_gradient_pct": 2.174143339573675,
   "suppressed_max_gradient_pct": 40.59856687577076,
   "suppressed_location_m": [
    10.0,
    35.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.17899773889576,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4017.0,
   "end_distance_m": 4067.0,
   "start_elevation_m": 1235.1784710289926,
   "end_elevation_m": 1245.2679698984405,
   "min_gradient_pct": 3.0188893412828293,
   "suppressed_max_gradient_pct": 26.381961304076867,
   "suppressed_location_m": [
    10.0,
    60.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.901186548997885,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3968.0,
   "end_distance_m": 4068.0,
   "start_elevation_m": 1226.5516749496137,
   "end_elevation_m": 1245.4528614986116,
   "min_gradient_pct": 5.471681524950327,
   "suppressed_max_gradient_pct": 20.52916389619486,
   "suppressed_location_m": [
    10.0,
    110.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.287,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 823.0,
  "shape_class": "sustained"
 },
 "length_m": 4252.213309022,
 "start_elevation_m": 757.7806792139307,
 "end_elevation_m": 1259.270575230469,
 "endpoint_gain_m": 501.4898960165382,
 "overall_gradient_pct": 11.793620394172553,
 "accumulated_ascent_m": 506.8988564115159,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.710314693378677,
   "start_distance_m": 3982.0,
   "end_distance_m": 3987.0,
   "midpoint_distance_m": 3984.5,
   "start_elevation_m": 1228.6801484679609,
   "end_elevation_m": 1229.9656642026298,
   "start_xy": [
    2580369.2709284443,
    1117421.6847328313
   ],
   "end_xy": [
    2580365.6917740223,
    1117425.1761012771
   ]
  },
  "max_10m": {
   "gradient_pct": 22.480486513354663,
   "start_distance_m": 4047.0,
   "end_distance_m": 4057.0,
   "midpoint_distance_m": 4052.0,
   "start_elevation_m": 1240.949815962813,
   "end_elevation_m": 1243.1978646141486,
   "start_xy": [
    2580321.962097751,
    1117466.0993969091
   ],
   "end_xy": [
    2580313.587375913,
    1117471.5641964606
   ]
  },
  "max_20m": {
   "gradient_pct": 21.590769678136894,
   "start_distance_m": 4047.0,
   "end_distance_m": 4067.0,
   "midpoint_distance_m": 4057.0,
   "start_elevation_m": 1240.949815962813,
   "end_elevation_m": 1245.2679698984405,
   "start_xy": [
    2580321.962097751,
    1117466.0993969091
   ],
   "end_xy": [
    2580304.4552759975,
    1117475.5579945596
   ]
  },
  "max_25m": {
   "gradient_pct": 21.391357758851882,
   "start_distance_m": 4043.0,
   "end_distance_m": 4068.0,
   "midpoint_distance_m": 4055.5,
   "start_elevation_m": 1240.1050220588986,
   "end_elevation_m": 1245.4528614986116,
   "start_xy": [
    2580325.311986486,
    1117463.9134770886
   ],
   "end_xy": [
    2580303.8843811653,
    1117476.3790177568
   ]
  },
  "max_50m": {
   "gradient_pct": 20.17899773889576,
   "start_distance_m": 4017.0,
   "end_distance_m": 4067.0,
   "midpoint_distance_m": 4042.0,
   "start_elevation_m": 1235.1784710289926,
   "end_elevation_m": 1245.2679698984405,
   "start_xy": [
    2580344.216847491,
    1117446.124311952
   ],
   "end_xy": [
    2580304.4552759975,
    1117475.5579945596
   ]
  },
  "max_100m": {
   "gradient_pct": 18.901186548997885,
   "start_distance_m": 3968.0,
   "end_distance_m": 4068.0,
   "midpoint_distance_m": 4018.0,
   "start_elevation_m": 1226.5516749496137,
   "end_elevation_m": 1245.4528614986116,
   "start_xy": [
    2580379.2925608256,
    1117411.908901183
   ],
   "end_xy": [
    2580303.8843811653,
    1117476.3790177568
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -82.30543497065128,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 757.7806792139307,
   "end_elevation_m": 753.6654074653982,
   "start_xy": [
    2582230.47,
    1117358.447
   ],
   "end_xy": [
    2582226.3304230007,
    1117355.6427349867
   ]
  },
  "min_10m": {
   "gradient_pct": -43.61089777768825,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 757.7806792139307,
   "end_elevation_m": 753.4195894361619,
   "start_xy": [
    2582230.47,
    1117358.447
   ],
   "end_xy": [
    2582222.190846001,
    1117352.8384699735
   ]
  },
  "min_20m": {
   "gradient_pct": 0.7633526001302471,
   "start_distance_m": 4080.0,
   "end_distance_m": 4100.0,
   "midpoint_distance_m": 4090.0,
   "start_elevation_m": 1246.7780625358241,
   "end_elevation_m": 1246.9307330558502,
   "start_xy": [
    2580299.1821682495,
    1117486.8637618308
   ],
   "end_xy": [
    2580302.4907111707,
    1117506.4734664035
   ]
  },
  "min_25m": {
   "gradient_pct": 2.174143339573675,
   "start_distance_m": 4082.0,
   "end_distance_m": 4107.0,
   "midpoint_distance_m": 4094.5,
   "start_elevation_m": 1246.8876225285353,
   "end_elevation_m": 1247.4311583634287,
   "start_xy": [
    2580299.2522023567,
    1117488.8625352606
   ],
   "end_xy": [
    2580304.2418535547,
    1117513.2508921945
   ]
  },
  "min_50m": {
   "gradient_pct": 3.0188893412828293,
   "start_distance_m": 4082.0,
   "end_distance_m": 4132.0,
   "midpoint_distance_m": 4107.0,
   "start_elevation_m": 1246.8876225285353,
   "end_elevation_m": 1248.3970671991767,
   "start_xy": [
    2580299.2522023567,
    1117488.8625352606
   ],
   "end_xy": [
    2580308.2617448936,
    1117537.7095689473
   ]
  },
  "min_100m": {
   "gradient_pct": 5.471681524950327,
   "start_distance_m": 4074.0,
   "end_distance_m": 4174.0,
   "midpoint_distance_m": 4124.0,
   "start_elevation_m": 1246.2082051679984,
   "end_elevation_m": 1251.6798866929487,
   "start_xy": [
    2580300.4590121703,
    1117481.30515694
   ],
   "end_xy": [
    2580305.4285705346,
    1117579.5747594126
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.97032841253622,
   "start_distance_m": 3982.0,
   "end_distance_m": 3984.0,
   "midpoint_distance_m": 3983.0,
   "start_elevation_m": 1228.6801484679609,
   "end_elevation_m": 1229.2995550362116,
   "start_xy": [
    2580369.2709284443,
    1117421.6847328313
   ],
   "end_xy": [
    2580367.8392666755,
    1117423.0812802096
   ]
  },
  "max_3m": {
   "gradient_pct": 25.789742845798475,
   "start_distance_m": 4051.0,
   "end_distance_m": 4054.0,
   "midpoint_distance_m": 4052.5,
   "start_elevation_m": 1241.771942472326,
   "end_elevation_m": 1242.5456347576999,
   "start_xy": [
    2580318.6122090155,
    1117468.2853167297
   ],
   "end_xy": [
    2580316.099792464,
    1117469.9247565952
   ]
  }
 },
 "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": 0.01,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    40.0
   ]
  ],
  "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_2580-1117_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2581-1117_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2582-1117_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:28:07+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": [
   "2580-1117",
   "2581-1117",
   "2582-1117"
  ],
  "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": "Chamoson",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}