{
 "ocl_version": "0.1.0",
 "name": "Route d'Anz\u00e8re",
 "slug": "route-d-anzere",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.474351456382465,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4958.0,
   "end_distance_m": 4960.0,
   "start_elevation_m": 1581.3371956545884,
   "end_elevation_m": 1581.946682683716,
   "min_gradient_pct": -117.33929149598907,
   "suppressed_max_gradient_pct": 144.23116679893155,
   "suppressed_location_m": [
    1361.0,
    1363.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.506174762081173,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4958.0,
   "end_distance_m": 4961.0,
   "start_elevation_m": 1581.3371956545884,
   "end_elevation_m": 1582.2523808974508,
   "min_gradient_pct": -83.65494618916121,
   "suppressed_max_gradient_pct": 98.23719654122367,
   "suppressed_location_m": [
    1361.0,
    1364.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.99377307663599,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4956.0,
   "end_distance_m": 4961.0,
   "start_elevation_m": 1580.802692243619,
   "end_elevation_m": 1582.2523808974508,
   "min_gradient_pct": -46.94490740394485,
   "suppressed_max_gradient_pct": 61.904747244652754,
   "suppressed_location_m": [
    1361.0,
    1366.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.835173334769934,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 4952.0,
   "end_distance_m": 4962.0,
   "start_elevation_m": 1579.7501413326017,
   "end_elevation_m": 1582.5336586660787,
   "min_gradient_pct": -19.681222107799385,
   "suppressed_max_gradient_pct": 34.06027157817334,
   "suppressed_location_m": [
    1361.0,
    1371.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.165210469529484,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4943.0,
   "end_distance_m": 4963.0,
   "start_elevation_m": 1577.3521296200515,
   "end_elevation_m": 1582.7851717139574,
   "min_gradient_pct": -6.419414983835168
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.3564299703703,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4941.0,
   "end_distance_m": 4966.0,
   "start_elevation_m": 1576.8875549334127,
   "end_elevation_m": 1583.4766624260053,
   "min_gradient_pct": -3.908879480138239
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.483660265155777,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4918.0,
   "end_distance_m": 4968.0,
   "start_elevation_m": 1572.1464955162799,
   "end_elevation_m": 1583.8883256488577,
   "min_gradient_pct": 0.8569983573656828
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 23.092221335778277,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4866.0,
   "end_distance_m": 4966.0,
   "start_elevation_m": 1560.384441090227,
   "end_elevation_m": 1583.4766624260053,
   "min_gradient_pct": 2.6350789687437555
  }
 ],
 "shape": {
  "ascent_concentration": 0.285,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 146.0,
  "shape_class": "sustained"
 },
 "length_m": 5033.033594738046,
 "start_elevation_m": 1196.6927242734444,
 "end_elevation_m": 1590.1787810078113,
 "endpoint_gain_m": 393.4860567343669,
 "overall_gradient_pct": 7.818069347793548,
 "accumulated_ascent_m": 397.78369431619285,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.99377307663599,
   "start_distance_m": 4956.0,
   "end_distance_m": 4961.0,
   "midpoint_distance_m": 4958.5,
   "start_elevation_m": 1580.802692243619,
   "end_elevation_m": 1582.2523808974508,
   "start_xy": [
    2596433.5483984924,
    1126871.8836518482
   ],
   "end_xy": [
    2596428.900678628,
    1126873.6793084266
   ]
  },
  "max_10m": {
   "gradient_pct": 27.835173334769934,
   "start_distance_m": 4952.0,
   "end_distance_m": 4962.0,
   "midpoint_distance_m": 4957.0,
   "start_elevation_m": 1579.7501413326017,
   "end_elevation_m": 1582.5336586660787,
   "start_xy": [
    2596437.452725254,
    1126871.0140355302
   ],
   "end_xy": [
    2596427.9857170833,
    1126874.0828494674
   ]
  },
  "max_20m": {
   "gradient_pct": 27.165210469529484,
   "start_distance_m": 4943.0,
   "end_distance_m": 4963.0,
   "midpoint_distance_m": 4953.0,
   "start_elevation_m": 1577.3521296200515,
   "end_elevation_m": 1582.7851717139574,
   "start_xy": [
    2596446.3621786525,
    1126869.7773885855
   ],
   "end_xy": [
    2596427.0707555385,
    1126874.486390508
   ]
  },
  "max_25m": {
   "gradient_pct": 26.3564299703703,
   "start_distance_m": 4941.0,
   "end_distance_m": 4966.0,
   "midpoint_distance_m": 4953.5,
   "start_elevation_m": 1576.8875549334127,
   "end_elevation_m": 1583.4766624260053,
   "start_xy": [
    2596448.3245706945,
    1126869.3913607723
   ],
   "end_xy": [
    2596424.3258709037,
    1126875.6970136298
   ]
  },
  "max_50m": {
   "gradient_pct": 23.483660265155777,
   "start_distance_m": 4918.0,
   "end_distance_m": 4968.0,
   "midpoint_distance_m": 4943.0,
   "start_elevation_m": 1572.1464955162799,
   "end_elevation_m": 1583.8883256488577,
   "start_xy": [
    2596464.326818994,
    1126853.8875849666
   ],
   "end_xy": [
    2596422.7506362614,
    1126876.9075478767
   ]
  },
  "max_100m": {
   "gradient_pct": 23.092221335778277,
   "start_distance_m": 4866.0,
   "end_distance_m": 4966.0,
   "midpoint_distance_m": 4916.0,
   "start_elevation_m": 1560.384441090227,
   "end_elevation_m": 1583.4766624260053,
   "start_xy": [
    2596484.738216431,
    1126891.7668637333
   ],
   "end_xy": [
    2596424.3258709037,
    1126875.6970136298
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -46.94490740394485,
   "start_distance_m": 1356.0,
   "end_distance_m": 1361.0,
   "midpoint_distance_m": 1358.5,
   "start_elevation_m": 1293.1993853552465,
   "end_elevation_m": 1290.8521399850492,
   "start_xy": [
    2595954.6388585,
    1125419.0373188157
   ],
   "end_xy": [
    2595949.971863804,
    1125417.2431169017
   ]
  },
  "min_10m": {
   "gradient_pct": -19.681222107799385,
   "start_distance_m": 1351.0,
   "end_distance_m": 1361.0,
   "midpoint_distance_m": 1356.0,
   "start_elevation_m": 1292.8202621958292,
   "end_elevation_m": 1290.8521399850492,
   "start_xy": [
    2595959.3058531955,
    1125420.8315207297
   ],
   "end_xy": [
    2595949.971863804,
    1125417.2431169017
   ]
  },
  "min_20m": {
   "gradient_pct": -6.419414983835168,
   "start_distance_m": 1341.0,
   "end_distance_m": 1361.0,
   "midpoint_distance_m": 1351.0,
   "start_elevation_m": 1292.1360229818163,
   "end_elevation_m": 1290.8521399850492,
   "start_xy": [
    2595968.6398425875,
    1125424.419924558
   ],
   "end_xy": [
    2595949.971863804,
    1125417.2431169017
   ]
  },
  "min_25m": {
   "gradient_pct": -3.908879480138239,
   "start_distance_m": 1336.0,
   "end_distance_m": 1361.0,
   "midpoint_distance_m": 1348.5,
   "start_elevation_m": 1291.8293598550838,
   "end_elevation_m": 1290.8521399850492,
   "start_xy": [
    2595973.3068372835,
    1125426.214126472
   ],
   "end_xy": [
    2595949.971863804,
    1125417.2431169017
   ]
  },
  "min_50m": {
   "gradient_pct": 0.8569983573656828,
   "start_distance_m": 4635.0,
   "end_distance_m": 4685.0,
   "midpoint_distance_m": 4660.0,
   "start_elevation_m": 1550.4118568249767,
   "end_elevation_m": 1550.8403560036595,
   "start_xy": [
    2596608.4570063255,
    1127017.509342157
   ],
   "end_xy": [
    2596622.937445802,
    1126971.409303699
   ]
  },
  "min_100m": {
   "gradient_pct": 2.6350789687437555,
   "start_distance_m": 4626.0,
   "end_distance_m": 4726.0,
   "midpoint_distance_m": 4676.0,
   "start_elevation_m": 1549.557782091168,
   "end_elevation_m": 1552.1928610599118,
   "start_xy": [
    2596617.4119375776,
    1127016.6097832285
   ],
   "end_xy": [
    2596605.9308425025,
    1126934.846071712
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.474351456382465,
   "start_distance_m": 4958.0,
   "end_distance_m": 4960.0,
   "midpoint_distance_m": 4959.0,
   "start_elevation_m": 1581.3371956545884,
   "end_elevation_m": 1581.946682683716,
   "start_xy": [
    2596431.6455632625,
    1126872.4686853047
   ],
   "end_xy": [
    2596429.815640173,
    1126873.275767386
   ]
  },
  "max_3m": {
   "gradient_pct": 30.506174762081173,
   "start_distance_m": 4958.0,
   "end_distance_m": 4961.0,
   "midpoint_distance_m": 4959.5,
   "start_elevation_m": 1581.3371956545884,
   "end_elevation_m": 1582.2523808974508,
   "start_xy": [
    2596431.6455632625,
    1126872.4686853047
   ],
   "end_xy": [
    2596428.900678628,
    1126873.6793084266
   ]
  }
 },
 "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": 0.002,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    1356.0,
    1365.0
   ]
  ],
  "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_2595-1124_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2595-1125_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2595-1126_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2596-1124_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2596-1125_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2596-1126_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2024_2596-1127_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:32:44+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": [
   "2595-1124",
   "2595-1125",
   "2595-1126",
   "2596-1124",
   "2596-1125",
   "2596-1126",
   "2596-1127"
  ],
  "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": "Arbaz",
  "county": "Valais/Wallis",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}