{
 "ocl_version": "0.1.0",
 "name": "Aual",
 "slug": "aual",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.36453400315986,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1405.0,
   "end_distance_m": 1407.0,
   "start_elevation_m": 1451.9415134631408,
   "end_elevation_m": 1452.568804143204,
   "min_gradient_pct": -183.75616942569195,
   "suppressed_max_gradient_pct": 217.35278734677195,
   "suppressed_location_m": [
    1.0,
    3.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.264673597290614,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1404.0,
   "end_distance_m": 1407.0,
   "start_elevation_m": 1451.9008639352853,
   "end_elevation_m": 1452.568804143204,
   "min_gradient_pct": -131.8340557987843,
   "suppressed_max_gradient_pct": 202.45897010498388,
   "suppressed_location_m": [
    0.0,
    3.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.305297261255873,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1475.0,
   "end_distance_m": 1480.0,
   "start_elevation_m": 1459.5547180881615,
   "end_elevation_m": 1460.6199829512243,
   "min_gradient_pct": -77.23772232276133,
   "suppressed_max_gradient_pct": 161.27662458174655,
   "suppressed_location_m": [
    0.0,
    5.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.649091061486615,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1471.0,
   "end_distance_m": 1481.0,
   "start_elevation_m": 1458.7751382309723,
   "end_elevation_m": 1460.840047337121,
   "min_gradient_pct": -36.077786175249,
   "suppressed_max_gradient_pct": 93.35734594405267,
   "suppressed_location_m": [
    0.0,
    10.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.941451209963816,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1327.0,
   "end_distance_m": 1347.0,
   "start_elevation_m": 1441.7983406420633,
   "end_elevation_m": 1445.186630884056,
   "min_gradient_pct": -14.259265408576312,
   "suppressed_max_gradient_pct": 50.60878436698317,
   "suppressed_location_m": [
    0.0,
    20.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.297411543393537,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1322.0,
   "end_distance_m": 1347.0,
   "start_elevation_m": 1441.1122779982077,
   "end_elevation_m": 1445.186630884056,
   "min_gradient_pct": -9.820501711101315,
   "suppressed_max_gradient_pct": 42.079840280493045,
   "suppressed_location_m": [
    0.0,
    25.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.099026216327275,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1297.0,
   "end_distance_m": 1347.0,
   "start_elevation_m": 1437.1371177758924,
   "end_elevation_m": 1445.186630884056,
   "min_gradient_pct": -0.6593480072201601,
   "suppressed_max_gradient_pct": 26.57122346663209,
   "suppressed_location_m": [
    0.0,
    50.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 14.588712530389103,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1263.0,
   "end_distance_m": 1363.0,
   "start_elevation_m": 1432.4087768424115,
   "end_elevation_m": 1446.9974893728006,
   "min_gradient_pct": 1.901456470328867,
   "suppressed_max_gradient_pct": 18.733364232621625,
   "suppressed_location_m": [
    0.0,
    100.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.283,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 281.0,
  "shape_class": "sustained"
 },
 "length_m": 1529.9259685762083,
 "start_elevation_m": 1290.3744581991875,
 "end_elevation_m": 1463.4533154491996,
 "endpoint_gain_m": 173.0788572500121,
 "overall_gradient_pct": 11.312891002895004,
 "accumulated_ascent_m": 180.21131051009706,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.305297261255873,
   "start_distance_m": 1475.0,
   "end_distance_m": 1480.0,
   "midpoint_distance_m": 1477.5,
   "start_elevation_m": 1459.5547180881615,
   "end_elevation_m": 1460.6199829512243,
   "start_xy": [
    2810926.3610936073,
    1184168.7869350123
   ],
   "end_xy": [
    2810930.0395513177,
    1184172.1735186705
   ]
  },
  "max_10m": {
   "gradient_pct": 20.649091061486615,
   "start_distance_m": 1471.0,
   "end_distance_m": 1481.0,
   "midpoint_distance_m": 1476.0,
   "start_elevation_m": 1458.7751382309723,
   "end_elevation_m": 1460.840047337121,
   "start_xy": [
    2810923.343942703,
    1184166.1679187436
   ],
   "end_xy": [
    2810930.7752428595,
    1184172.850835402
   ]
  },
  "max_20m": {
   "gradient_pct": 16.941451209963816,
   "start_distance_m": 1327.0,
   "end_distance_m": 1347.0,
   "midpoint_distance_m": 1337.0,
   "start_elevation_m": 1441.7983406420633,
   "end_elevation_m": 1445.186630884056,
   "start_xy": [
    2810804.373796668,
    1184112.3866607922
   ],
   "end_xy": [
    2810811.6515953382,
    1184130.8049023673
   ]
  },
  "max_25m": {
   "gradient_pct": 16.297411543393537,
   "start_distance_m": 1322.0,
   "end_distance_m": 1347.0,
   "midpoint_distance_m": 1334.5,
   "start_elevation_m": 1441.1122779982077,
   "end_elevation_m": 1445.186630884056,
   "start_xy": [
    2810802.451366803,
    1184107.8239653436
   ],
   "end_xy": [
    2810811.6515953382,
    1184130.8049023673
   ]
  },
  "max_50m": {
   "gradient_pct": 16.099026216327275,
   "start_distance_m": 1297.0,
   "end_distance_m": 1347.0,
   "midpoint_distance_m": 1322.0,
   "start_elevation_m": 1437.1371177758924,
   "end_elevation_m": 1445.186630884056,
   "start_xy": [
    2810788.4347999645,
    1184087.2361261894
   ],
   "end_xy": [
    2810811.6515953382,
    1184130.8049023673
   ]
  },
  "max_100m": {
   "gradient_pct": 14.588712530389103,
   "start_distance_m": 1263.0,
   "end_distance_m": 1363.0,
   "midpoint_distance_m": 1313.0,
   "start_elevation_m": 1432.4087768424115,
   "end_elevation_m": 1446.9974893728006,
   "start_xy": [
    2810771.4769731476,
    1184057.7843252753
   ],
   "end_xy": [
    2810826.454309284,
    1184135.6698089081
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -77.23772232276133,
   "start_distance_m": 1144.0,
   "end_distance_m": 1149.0,
   "midpoint_distance_m": 1146.5,
   "start_elevation_m": 1429.808586670043,
   "end_elevation_m": 1425.946700553905,
   "start_xy": [
    2810695.459183697,
    1184026.942720749
   ],
   "end_xy": [
    2810695.6773639754,
    1184031.9379582175
   ]
  },
  "min_10m": {
   "gradient_pct": -36.077786175249,
   "start_distance_m": 1141.0,
   "end_distance_m": 1151.0,
   "midpoint_distance_m": 1146.0,
   "start_elevation_m": 1429.6806409659089,
   "end_elevation_m": 1426.072862348384,
   "start_xy": [
    2810695.32827553,
    1184023.9455782678
   ],
   "end_xy": [
    2810695.7646360863,
    1184033.9360532048
   ]
  },
  "min_20m": {
   "gradient_pct": -14.259265408576312,
   "start_distance_m": 1137.0,
   "end_distance_m": 1157.0,
   "midpoint_distance_m": 1147.0,
   "start_elevation_m": 1429.4417751350866,
   "end_elevation_m": 1426.5899220533713,
   "start_xy": [
    2810695.153731308,
    1184019.949388293
   ],
   "end_xy": [
    2810696.0387673923,
    1184039.929773609
   ]
  },
  "min_25m": {
   "gradient_pct": -9.820501711101315,
   "start_distance_m": 1137.0,
   "end_distance_m": 1162.0,
   "midpoint_distance_m": 1149.5,
   "start_elevation_m": 1429.4417751350866,
   "end_elevation_m": 1426.9866497073112,
   "start_xy": [
    2810695.153731308,
    1184019.949388293
   ],
   "end_xy": [
    2810696.2809444657,
    1184044.9238146294
   ]
  },
  "min_50m": {
   "gradient_pct": -0.6593480072201601,
   "start_distance_m": 1137.0,
   "end_distance_m": 1187.0,
   "midpoint_distance_m": 1162.0,
   "start_elevation_m": 1429.4417751350866,
   "end_elevation_m": 1429.1121011314765,
   "start_xy": [
    2810695.153731308,
    1184019.949388293
   ],
   "end_xy": [
    2810704.9398372234,
    1184066.1024472662
   ]
  },
  "min_100m": {
   "gradient_pct": 1.901456470328867,
   "start_distance_m": 1145.0,
   "end_distance_m": 1245.0,
   "midpoint_distance_m": 1195.0,
   "start_elevation_m": 1429.8698595350238,
   "end_elevation_m": 1431.7713160053527,
   "start_xy": [
    2810695.502819753,
    1184027.9417682427
   ],
   "end_xy": [
    2810760.3374242624,
    1184049.2748235986
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.36453400315986,
   "start_distance_m": 1405.0,
   "end_distance_m": 1407.0,
   "midpoint_distance_m": 1406.0,
   "start_elevation_m": 1451.9415134631408,
   "end_elevation_m": 1452.568804143204,
   "start_xy": [
    2810863.761165278,
    1184153.0134272159
   ],
   "end_xy": [
    2810865.7575862943,
    1184153.1330228986
   ]
  },
  "max_3m": {
   "gradient_pct": 22.264673597290614,
   "start_distance_m": 1404.0,
   "end_distance_m": 1407.0,
   "midpoint_distance_m": 1405.5,
   "start_elevation_m": 1451.9008639352853,
   "end_elevation_m": 1452.568804143204,
   "start_xy": [
    2810862.76295477,
    1184152.9536293747
   ],
   "end_xy": [
    2810865.7575862943,
    1184153.1330228986
   ]
  }
 },
 "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": 0.056,
   "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,
    8.0
   ],
   [
    1121.0,
    1196.0
   ]
  ],
  "review": [],
  "extent": [
   "may_start_earlier"
  ]
 },
 "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_2023_2810-1183_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2810-1184_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:01:41+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": [
   "2810-1183",
   "2810-1184"
  ],
  "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": "Scuol",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}