{
 "ocl_version": "0.1.0",
 "name": "Via Culms da Domat",
 "slug": "via-culms-da-domat-3",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.724846083498278,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 229.0,
   "end_distance_m": 231.0,
   "start_elevation_m": 761.2657414041611,
   "end_elevation_m": 761.820238325831,
   "min_gradient_pct": -17.291401881465163,
   "suppressed_max_gradient_pct": 36.14591355966468,
   "suppressed_location_m": [
    225.0,
    227.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 27.634530995029156,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 229.0,
   "end_distance_m": 232.0,
   "start_elevation_m": 761.2657414041611,
   "end_elevation_m": 762.094777334012,
   "min_gradient_pct": -12.821308657078134,
   "suppressed_max_gradient_pct": 28.686967633962013,
   "suppressed_location_m": [
    225.0,
    228.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.62971676325742,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 228.0,
   "end_distance_m": 233.0,
   "start_elevation_m": 761.1527495930557,
   "end_elevation_m": 762.3342354312185,
   "min_gradient_pct": -7.393650676208381,
   "suppressed_max_gradient_pct": 27.396131310802048,
   "suppressed_location_m": [
    225.0,
    230.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 19.515322991810535,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2502.0,
   "end_distance_m": 2512.0,
   "start_elevation_m": 1010.3378179134703,
   "end_elevation_m": 1012.2893502126514,
   "min_gradient_pct": 0.5653852179159458,
   "suppressed_max_gradient_pct": 22.46665007575757,
   "suppressed_location_m": [
    225.0,
    235.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 19.07212529697972,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2494.0,
   "end_distance_m": 2514.0,
   "start_elevation_m": 1008.8553486313558,
   "end_elevation_m": 1012.6697736907518,
   "min_gradient_pct": 4.670840197604207
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 18.64673770065383,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2488.0,
   "end_distance_m": 2513.0,
   "start_elevation_m": 1007.8139931235048,
   "end_elevation_m": 1012.4756775486683,
   "min_gradient_pct": 4.955703971742423
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.42139754155437,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2464.0,
   "end_distance_m": 2514.0,
   "start_elevation_m": 1003.4590749199746,
   "end_elevation_m": 1012.6697736907518,
   "min_gradient_pct": 5.545185405854454
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.82579404976468,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 2451.0,
   "end_distance_m": 2551.0,
   "start_elevation_m": 1001.1736227742588,
   "end_elevation_m": 1018.9994168240235,
   "min_gradient_pct": 7.333168234711138
  }
 ],
 "shape": {
  "ascent_concentration": 0.314,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 312.0,
  "shape_class": "sustained"
 },
 "length_m": 2863.913466415979,
 "start_elevation_m": 736.6629401098489,
 "end_elevation_m": 1058.5828827304674,
 "endpoint_gain_m": 321.9199426206185,
 "overall_gradient_pct": 11.240561085230084,
 "accumulated_ascent_m": 323.15549373607473,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.62971676325742,
   "start_distance_m": 228.0,
   "end_distance_m": 233.0,
   "midpoint_distance_m": 230.5,
   "start_elevation_m": 761.1527495930557,
   "end_elevation_m": 762.3342354312185,
   "start_xy": [
    2753294.7209832733,
    1187461.0297887162
   ],
   "end_xy": [
    2753298.3202566183,
    1187464.5004127794
   ]
  },
  "max_10m": {
   "gradient_pct": 19.515322991810535,
   "start_distance_m": 2502.0,
   "end_distance_m": 2512.0,
   "midpoint_distance_m": 2507.0,
   "start_elevation_m": 1010.3378179134703,
   "end_elevation_m": 1012.2893502126514,
   "start_xy": [
    2754548.6339579094,
    1187632.350461234
   ],
   "end_xy": [
    2754538.793378017,
    1187630.5719822824
   ]
  },
  "max_20m": {
   "gradient_pct": 19.07212529697972,
   "start_distance_m": 2494.0,
   "end_distance_m": 2514.0,
   "midpoint_distance_m": 2504.0,
   "start_elevation_m": 1008.8553486313558,
   "end_elevation_m": 1012.6697736907518,
   "start_xy": [
    2754556.506421823,
    1187633.7732443956
   ],
   "end_xy": [
    2754536.8252620385,
    1187630.216286492
   ]
  },
  "max_25m": {
   "gradient_pct": 18.64673770065383,
   "start_distance_m": 2488.0,
   "end_distance_m": 2513.0,
   "midpoint_distance_m": 2500.5,
   "start_elevation_m": 1007.8139931235048,
   "end_elevation_m": 1012.4756775486683,
   "start_xy": [
    2754562.4107697587,
    1187634.8403317665
   ],
   "end_xy": [
    2754537.809320028,
    1187630.3941343871
   ]
  },
  "max_50m": {
   "gradient_pct": 18.42139754155437,
   "start_distance_m": 2464.0,
   "end_distance_m": 2514.0,
   "midpoint_distance_m": 2489.0,
   "start_elevation_m": 1003.4590749199746,
   "end_elevation_m": 1012.6697736907518,
   "start_xy": [
    2754586.0319361784,
    1187639.0709571952
   ],
   "end_xy": [
    2754536.8252620385,
    1187630.216286492
   ]
  },
  "max_100m": {
   "gradient_pct": 17.82579404976468,
   "start_distance_m": 2451.0,
   "end_distance_m": 2551.0,
   "midpoint_distance_m": 2501.0,
   "start_elevation_m": 1001.1736227742588,
   "end_elevation_m": 1018.9994168240235,
   "start_xy": [
    2754599.0291625075,
    1187639.3394860523
   ],
   "end_xy": [
    2754501.4836491584,
    1187619.9004910472
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.393650676208381,
   "start_distance_m": 841.0,
   "end_distance_m": 846.0,
   "midpoint_distance_m": 843.5,
   "start_elevation_m": 828.9276830662499,
   "end_elevation_m": 828.5580005324395,
   "start_xy": [
    2753842.9813293167,
    1187656.32586254
   ],
   "end_xy": [
    2753847.8445584937,
    1187657.4873279815
   ]
  },
  "min_10m": {
   "gradient_pct": 0.5653852179159458,
   "start_distance_m": 836.0,
   "end_distance_m": 846.0,
   "midpoint_distance_m": 841.0,
   "start_elevation_m": 828.5014620106479,
   "end_elevation_m": 828.5580005324395,
   "start_xy": [
    2753838.11810014,
    1187655.1643970981
   ],
   "end_xy": [
    2753847.8445584937,
    1187657.4873279815
   ]
  },
  "min_20m": {
   "gradient_pct": 4.670840197604207,
   "start_distance_m": 860.0,
   "end_distance_m": 880.0,
   "midpoint_distance_m": 870.0,
   "start_elevation_m": 830.058903486291,
   "end_elevation_m": 830.9930715258118,
   "start_xy": [
    2753859.716663574,
    1187654.7552932606
   ],
   "end_xy": [
    2753877.5833560624,
    1187656.7616411778
   ]
  },
  "min_25m": {
   "gradient_pct": 4.955703971742423,
   "start_distance_m": 858.0,
   "end_distance_m": 883.0,
   "midpoint_distance_m": 870.5,
   "start_elevation_m": 829.9388860771916,
   "end_elevation_m": 831.1778120701272,
   "start_xy": [
    2753858.8389264173,
    1187656.510135797
   ],
   "end_xy": [
    2753880.500831659,
    1187657.4604516984
   ]
  },
  "min_50m": {
   "gradient_pct": 5.545185405854454,
   "start_distance_m": 839.0,
   "end_distance_m": 889.0,
   "midpoint_distance_m": 864.0,
   "start_elevation_m": 828.8314238522973,
   "end_elevation_m": 831.6040165552246,
   "start_xy": [
    2753841.036037646,
    1187655.8612763633
   ],
   "end_xy": [
    2753886.3357828516,
    1187658.8580727396
   ]
  },
  "min_100m": {
   "gradient_pct": 7.333168234711138,
   "start_distance_m": 826.0,
   "end_distance_m": 926.0,
   "midpoint_distance_m": 876.0,
   "start_elevation_m": 827.532149148002,
   "end_elevation_m": 834.8653173827131,
   "start_xy": [
    2753828.2031869157,
    1187654.573286624
   ],
   "end_xy": [
    2753923.0367156477,
    1187663.4020326529
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.724846083498278,
   "start_distance_m": 229.0,
   "end_distance_m": 231.0,
   "midpoint_distance_m": 230.0,
   "start_elevation_m": 761.2657414041611,
   "end_elevation_m": 761.820238325831,
   "start_xy": [
    2753295.440837942,
    1187461.7239135287
   ],
   "end_xy": [
    2753296.88054728,
    1187463.112163154
   ]
  },
  "max_3m": {
   "gradient_pct": 27.634530995029156,
   "start_distance_m": 229.0,
   "end_distance_m": 232.0,
   "midpoint_distance_m": 230.5,
   "start_elevation_m": 761.2657414041611,
   "end_elevation_m": 762.094777334012,
   "start_xy": [
    2753295.440837942,
    1187461.7239135287
   ],
   "end_xy": [
    2753297.600401949,
    1187463.8062879667
   ]
  }
 },
 "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": [
   [
    222.0,
    227.0
   ]
  ],
  "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_2023_2753-1187_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2754-1187_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:59:03+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": [
   "2753-1187",
   "2754-1187"
  ],
  "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": "Domat/Ems",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}