{
 "ocl_version": "0.1.0",
 "name": "Via Canova",
 "slug": "via-canova",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 30.71610097742905,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 130.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 627.1520802048844,
   "end_elevation_m": 627.766402224433,
   "min_gradient_pct": -53.884850299328946,
   "suppressed_max_gradient_pct": 36.06193146080727,
   "suppressed_location_m": [
    237.0,
    239.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.316100597065088,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 129.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 626.8569192065211,
   "end_elevation_m": 627.766402224433,
   "min_gradient_pct": -38.38179420138582,
   "suppressed_max_gradient_pct": 33.84731299861414,
   "suppressed_location_m": [
    235.0,
    238.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 29.912275779295214,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 127.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 626.2707884354683,
   "end_elevation_m": 627.766402224433,
   "min_gradient_pct": -21.21379061213929
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.876559773043482,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 122.0,
   "end_distance_m": 132.0,
   "start_elevation_m": 624.8787462471287,
   "end_elevation_m": 627.766402224433,
   "min_gradient_pct": -6.414087289953159
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.273229572624587,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 113.0,
   "end_distance_m": 133.0,
   "start_elevation_m": 622.5399429159489,
   "end_elevation_m": 627.9945888304738,
   "min_gradient_pct": 0.01161167554982967
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.452836116545313,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "start_elevation_m": 622.7850916860392,
   "end_elevation_m": 629.3983007151755,
   "min_gradient_pct": 1.1192783382198286
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.44565925666393,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 114.0,
   "end_distance_m": 164.0,
   "start_elevation_m": 622.7850916860392,
   "end_elevation_m": 635.5079213143712,
   "min_gradient_pct": 2.767815906847545
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 23.99438678102115,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 108.0,
   "end_distance_m": 208.0,
   "start_elevation_m": 621.6011087446346,
   "end_elevation_m": 645.5954955256558,
   "min_gradient_pct": 7.318663947530354
  }
 ],
 "shape": {
  "ascent_concentration": 0.422,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 123.0,
  "shape_class": "sustained"
 },
 "length_m": 247.13563271379746,
 "start_elevation_m": 613.6901894726558,
 "end_elevation_m": 648.583630646011,
 "endpoint_gain_m": 34.8934411733552,
 "overall_gradient_pct": 14.119146150714961,
 "accumulated_ascent_m": 37.04968919222222,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 29.912275779295214,
   "start_distance_m": 127.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 129.5,
   "start_elevation_m": 626.2707884354683,
   "end_elevation_m": 627.766402224433,
   "start_xy": [
    2714632.1416742248,
    1146549.6059273123
   ],
   "end_xy": [
    2714628.5405517966,
    1146546.196355563
   ]
  },
  "max_10m": {
   "gradient_pct": 28.876559773043482,
   "start_distance_m": 122.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 127.0,
   "start_elevation_m": 624.8787462471287,
   "end_elevation_m": 627.766402224433,
   "start_xy": [
    2714635.9794420507,
    1146552.8078745706
   ],
   "end_xy": [
    2714628.5405517966,
    1146546.196355563
   ]
  },
  "max_20m": {
   "gradient_pct": 27.273229572624587,
   "start_distance_m": 113.0,
   "end_distance_m": 133.0,
   "midpoint_distance_m": 123.0,
   "start_elevation_m": 622.5399429159489,
   "end_elevation_m": 627.9945888304738,
   "start_xy": [
    2714644.143929222,
    1146556.5421465642
   ],
   "end_xy": [
    2714627.609459825,
    1146545.9862846013
   ]
  },
  "max_25m": {
   "gradient_pct": 26.452836116545313,
   "start_distance_m": 114.0,
   "end_distance_m": 139.0,
   "midpoint_distance_m": 126.5,
   "start_elevation_m": 622.7850916860392,
   "end_elevation_m": 629.3983007151755,
   "start_xy": [
    2714643.2071946166,
    1146556.1921061694
   ],
   "end_xy": [
    2714623.154904381,
    1146549.9750252059
   ]
  },
  "max_50m": {
   "gradient_pct": 25.44565925666393,
   "start_distance_m": 114.0,
   "end_distance_m": 164.0,
   "midpoint_distance_m": 139.0,
   "start_elevation_m": 622.7850916860392,
   "end_elevation_m": 635.5079213143712,
   "start_xy": [
    2714643.2071946166,
    1146556.1921061694
   ],
   "end_xy": [
    2714605.207299154,
    1146567.3785727357
   ]
  },
  "max_100m": {
   "gradient_pct": 23.99438678102115,
   "start_distance_m": 108.0,
   "end_distance_m": 208.0,
   "midpoint_distance_m": 158.0,
   "start_elevation_m": 621.6011087446346,
   "end_elevation_m": 645.5954955256558,
   "start_xy": [
    2714648.6935129147,
    1146558.5458416566
   ],
   "end_xy": [
    2714577.028986631,
    1146601.0396524065
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -21.21379061213929,
   "start_distance_m": 223.0,
   "end_distance_m": 228.0,
   "midpoint_distance_m": 225.5,
   "start_elevation_m": 647.4992003052621,
   "end_elevation_m": 646.4385107746551,
   "start_xy": [
    2714571.2341902237,
    1146614.750334839
   ],
   "end_xy": [
    2714570.4339476107,
    1146619.68588058
   ]
  },
  "min_10m": {
   "gradient_pct": -6.414087289953159,
   "start_distance_m": 224.0,
   "end_distance_m": 234.0,
   "midpoint_distance_m": 229.0,
   "start_elevation_m": 647.4254434852071,
   "end_elevation_m": 646.7840347562118,
   "start_xy": [
    2714571.0741417008,
    1146615.7374439873
   ],
   "end_xy": [
    2714571.1535700755,
    1146625.6080112872
   ]
  },
  "min_20m": {
   "gradient_pct": 0.01161167554982967,
   "start_distance_m": 30.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 40.0,
   "start_elevation_m": 616.8982682722184,
   "end_elevation_m": 616.9005906073284,
   "start_xy": [
    2714659.3816179354,
    1146591.1149779959
   ],
   "end_xy": [
    2714640.9258770933,
    1146598.4358068404
   ]
  },
  "min_25m": {
   "gradient_pct": 1.1192783382198286,
   "start_distance_m": 28.0,
   "end_distance_m": 53.0,
   "midpoint_distance_m": 40.5,
   "start_elevation_m": 616.7818107760005,
   "end_elevation_m": 617.0616303605555,
   "start_xy": [
    2714661.375329998,
    1146591.1151863846
   ],
   "end_xy": [
    2714638.067603815,
    1146599.3470004897
   ]
  },
  "min_50m": {
   "gradient_pct": 2.767815906847545,
   "start_distance_m": 28.0,
   "end_distance_m": 78.0,
   "midpoint_distance_m": 53.0,
   "start_elevation_m": 616.7818107760005,
   "end_elevation_m": 618.1657187294243,
   "start_xy": [
    2714661.375329998,
    1146591.1151863846
   ],
   "end_xy": [
    2714634.8128524143,
    1146582.3532035411
   ]
  },
  "min_100m": {
   "gradient_pct": 7.318663947530354,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 613.6901894726558,
   "end_elevation_m": 621.0088534201861,
   "start_xy": [
    2714677.107,
    1146613.452
   ],
   "end_xy": [
    2714647.552490708,
    1146564.9041522683
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 30.71610097742905,
   "start_distance_m": 130.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 131.0,
   "start_elevation_m": 627.1520802048844,
   "end_elevation_m": 627.766402224433,
   "start_xy": [
    2714629.9634875734,
    1146547.5534536839
   ],
   "end_xy": [
    2714628.5405517966,
    1146546.196355563
   ]
  },
  "max_3m": {
   "gradient_pct": 30.316100597065088,
   "start_distance_m": 129.0,
   "end_distance_m": 132.0,
   "midpoint_distance_m": 130.5,
   "start_elevation_m": 626.8569192065211,
   "end_elevation_m": 627.766402224433,
   "start_xy": [
    2714630.6309000896,
    1146548.2981418963
   ],
   "end_xy": [
    2714628.5405517966,
    1146546.196355563
   ]
  }
 },
 "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": 0.048,
   "windows_resited": [
    2.0,
    3.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    222.0,
    227.0
   ],
   [
    233.0,
    238.0
   ]
  ],
  "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_2022_2714-1146_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:53:49+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": [
   "2714-1146"
  ],
  "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": "Acquarossa",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}