{
 "ocl_version": "0.1.0",
 "name": "Via Casut",
 "slug": "via-casut",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.433901749483766,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 199.0,
   "end_distance_m": 201.0,
   "start_elevation_m": 845.344799109808,
   "end_elevation_m": 845.8334771447977,
   "min_gradient_pct": -183.0074341609702,
   "suppressed_max_gradient_pct": 188.84499652920113,
   "suppressed_location_m": [
    2664.0,
    2666.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 19.987769657166155,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 198.0,
   "end_distance_m": 201.0,
   "start_elevation_m": 845.2338440550827,
   "end_elevation_m": 845.8334771447977,
   "min_gradient_pct": -156.70557301054183,
   "suppressed_max_gradient_pct": 177.09069335915046,
   "suppressed_location_m": [
    2663.0,
    2666.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 16.408381590381396,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 196.0,
   "end_distance_m": 201.0,
   "start_elevation_m": 845.0130580652786,
   "end_elevation_m": 845.8334771447977,
   "min_gradient_pct": -95.63843946035831,
   "suppressed_max_gradient_pct": 112.29771404560324,
   "suppressed_location_m": [
    2662.0,
    2667.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 14.155133548157437,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 191.0,
   "end_distance_m": 201.0,
   "start_elevation_m": 844.417963789982,
   "end_elevation_m": 845.8334771447977,
   "min_gradient_pct": -43.3407960085583,
   "suppressed_max_gradient_pct": 60.08934157423482,
   "suppressed_location_m": [
    2663.0,
    2673.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 13.696351380874603,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3446.0,
   "end_distance_m": 3466.0,
   "start_elevation_m": 1170.643392533605,
   "end_elevation_m": 1173.38266280978,
   "min_gradient_pct": -16.935151588457984,
   "suppressed_max_gradient_pct": 33.4927115937046,
   "suppressed_location_m": [
    2663.0,
    2683.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 13.616317062844246,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3446.0,
   "end_distance_m": 3471.0,
   "start_elevation_m": 1170.643392533605,
   "end_elevation_m": 1174.047471799316,
   "min_gradient_pct": -11.022348502186105,
   "suppressed_max_gradient_pct": 28.656672818950028,
   "suppressed_location_m": [
    2663.0,
    2688.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.293749391381425,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3888.0,
   "end_distance_m": 3938.0,
   "start_elevation_m": 1225.2868586371014,
   "end_elevation_m": 1231.9337333327921,
   "min_gradient_pct": 0.30293048205476225,
   "suppressed_max_gradient_pct": 19.8833262692674,
   "suppressed_location_m": [
    2663.0,
    2713.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.132226103931316,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 3843.0,
   "end_distance_m": 3943.0,
   "start_elevation_m": 1219.4616020429567,
   "end_elevation_m": 1232.593828146888,
   "min_gradient_pct": 4.085805574903816,
   "suppressed_max_gradient_pct": 16.050816449309195,
   "suppressed_location_m": [
    2662.0,
    2762.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.292,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 1296.0,
  "shape_class": "sustained"
 },
 "length_m": 4440.352073836109,
 "start_elevation_m": 821.9754087463255,
 "end_elevation_m": 1283.960118925776,
 "endpoint_gain_m": 461.98471017945053,
 "overall_gradient_pct": 10.404236026724176,
 "accumulated_ascent_m": 466.860542383061,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 16.408381590381396,
   "start_distance_m": 196.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 198.5,
   "start_elevation_m": 845.0130580652786,
   "end_elevation_m": 845.8334771447977,
   "start_xy": [
    2723285.4147186214,
    1179480.177613835
   ],
   "end_xy": [
    2723289.2501756507,
    1179482.9761176575
   ]
  },
  "max_10m": {
   "gradient_pct": 14.155133548157437,
   "start_distance_m": 191.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 196.0,
   "start_elevation_m": 844.417963789982,
   "end_elevation_m": 845.8334771447977,
   "start_xy": [
    2723281.1610003496,
    1179477.5907040448
   ],
   "end_xy": [
    2723289.2501756507,
    1179482.9761176575
   ]
  },
  "max_20m": {
   "gradient_pct": 13.696351380874603,
   "start_distance_m": 3446.0,
   "end_distance_m": 3466.0,
   "midpoint_distance_m": 3456.0,
   "start_elevation_m": 1170.643392533605,
   "end_elevation_m": 1173.38266280978,
   "start_xy": [
    2723649.3415878983,
    1180242.809556954
   ],
   "end_xy": [
    2723659.1214534226,
    1180260.052557194
   ]
  },
  "max_25m": {
   "gradient_pct": 13.616317062844246,
   "start_distance_m": 3446.0,
   "end_distance_m": 3471.0,
   "midpoint_distance_m": 3458.5,
   "start_elevation_m": 1170.643392533605,
   "end_elevation_m": 1174.047471799316,
   "start_xy": [
    2723649.3415878983,
    1180242.809556954
   ],
   "end_xy": [
    2723660.8976051174,
    1180264.7264511974
   ]
  },
  "max_50m": {
   "gradient_pct": 13.293749391381425,
   "start_distance_m": 3888.0,
   "end_distance_m": 3938.0,
   "midpoint_distance_m": 3913.0,
   "start_elevation_m": 1225.2868586371014,
   "end_elevation_m": 1231.9337333327921,
   "start_xy": [
    2723839.0225355923,
    1180545.5828676464
   ],
   "end_xy": [
    2723880.799875901,
    1180572.7896261194
   ]
  },
  "max_100m": {
   "gradient_pct": 13.132226103931316,
   "start_distance_m": 3843.0,
   "end_distance_m": 3943.0,
   "midpoint_distance_m": 3893.0,
   "start_elevation_m": 1219.4616020429567,
   "end_elevation_m": 1232.593828146888,
   "start_xy": [
    2723794.4128075605,
    1180545.895943964
   ],
   "end_xy": [
    2723884.8790572174,
    1180575.6810409615
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -95.63843946035831,
   "start_distance_m": 2656.0,
   "end_distance_m": 2661.0,
   "midpoint_distance_m": 2658.5,
   "start_elevation_m": 1078.9152578081266,
   "end_elevation_m": 1074.1333358351087,
   "start_xy": [
    2723098.944779651,
    1180338.6056952414
   ],
   "end_xy": [
    2723103.802183282,
    1180339.762834553
   ]
  },
  "min_10m": {
   "gradient_pct": -43.3407960085583,
   "start_distance_m": 2653.0,
   "end_distance_m": 2663.0,
   "midpoint_distance_m": 2658.0,
   "start_elevation_m": 1078.6082351670484,
   "end_elevation_m": 1074.2741555661926,
   "start_xy": [
    2723096.480449424,
    1180336.894825131
   ],
   "end_xy": [
    2723105.750970489,
    1180340.2125327003
   ]
  },
  "min_20m": {
   "gradient_pct": -16.935151588457984,
   "start_distance_m": 2643.0,
   "end_distance_m": 2663.0,
   "midpoint_distance_m": 2653.0,
   "start_elevation_m": 1077.6611858838842,
   "end_elevation_m": 1074.2741555661926,
   "start_xy": [
    2723090.836175883,
    1180329.3413196346
   ],
   "end_xy": [
    2723105.750970489,
    1180340.2125327003
   ]
  },
  "min_25m": {
   "gradient_pct": -11.022348502186105,
   "start_distance_m": 2637.0,
   "end_distance_m": 2662.0,
   "midpoint_distance_m": 2649.5,
   "start_elevation_m": 1076.9371274662567,
   "end_elevation_m": 1074.1815403407102,
   "start_xy": [
    2723090.2226983905,
    1180323.3727649213
   ],
   "end_xy": [
    2723104.7765768855,
    1180339.9876836266
   ]
  },
  "min_50m": {
   "gradient_pct": 0.30293048205476225,
   "start_distance_m": 2613.0,
   "end_distance_m": 2663.0,
   "midpoint_distance_m": 2638.0,
   "start_elevation_m": 1074.1226903251652,
   "end_elevation_m": 1074.2741555661926,
   "start_xy": [
    2723087.4556549652,
    1180299.5377117137
   ],
   "end_xy": [
    2723105.750970489,
    1180340.2125327003
   ]
  },
  "min_100m": {
   "gradient_pct": 4.085805574903816,
   "start_distance_m": 2193.0,
   "end_distance_m": 2293.0,
   "midpoint_distance_m": 2243.0,
   "start_elevation_m": 1033.0765081185205,
   "end_elevation_m": 1037.1623136934243,
   "start_xy": [
    2723025.386138389,
    1179887.8317407463
   ],
   "end_xy": [
    2723027.756546339,
    1179987.17766462
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.433901749483766,
   "start_distance_m": 199.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 200.0,
   "start_elevation_m": 845.344799109808,
   "end_elevation_m": 845.8334771447977,
   "start_xy": [
    2723288.1187546174,
    1179481.476917238
   ],
   "end_xy": [
    2723289.2501756507,
    1179482.9761176575
   ]
  },
  "max_3m": {
   "gradient_pct": 19.987769657166155,
   "start_distance_m": 198.0,
   "end_distance_m": 201.0,
   "midpoint_distance_m": 199.5,
   "start_elevation_m": 845.2338440550827,
   "end_elevation_m": 845.8334771447977,
   "start_xy": [
    2723287.2174092853,
    1179481.0438161036
   ],
   "end_xy": [
    2723289.2501756507,
    1179482.9761176575
   ]
  }
 },
 "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": 0.009,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    2643.0,
    2680.0
   ]
  ],
  "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_2722-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2722-1180_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2723-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2723-1180_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2724-1180_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:29:51+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": [
   "2722-1179",
   "2722-1180",
   "2723-1179",
   "2723-1180",
   "2724-1180"
  ],
  "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": "Breil/Brigels",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}