{
 "ocl_version": "0.1.0",
 "name": "Via Mutta Rodunda",
 "slug": "via-mutta-rodunda",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.538938577186855,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 338.0,
   "end_distance_m": 340.0,
   "start_elevation_m": 2368.305600934219,
   "end_elevation_m": 2368.8363797057627,
   "min_gradient_pct": -0.3685987674998614
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.47430766301962,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 338.0,
   "end_distance_m": 341.0,
   "start_elevation_m": 2368.305600934219,
   "end_elevation_m": 2369.0698301641096,
   "min_gradient_pct": 0.14667068688443882
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.4957580701157,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 337.0,
   "end_distance_m": 342.0,
   "start_elevation_m": 2368.081061744324,
   "end_elevation_m": 2369.3058496478297,
   "min_gradient_pct": 0.7405820478743408
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.643430714273563,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 95.0,
   "end_distance_m": 105.0,
   "start_elevation_m": 2330.798238350514,
   "end_elevation_m": 2333.1625814219415,
   "min_gradient_pct": 1.199416855815798
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.987368698250066,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 85.0,
   "end_distance_m": 105.0,
   "start_elevation_m": 2328.5651076822915,
   "end_elevation_m": 2333.1625814219415,
   "min_gradient_pct": 2.6470089206463854
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.43224289320642,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 80.0,
   "end_distance_m": 105.0,
   "start_elevation_m": 2327.55452069864,
   "end_elevation_m": 2333.1625814219415,
   "min_gradient_pct": 3.0882625141803146
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.345311653534736,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 70.0,
   "end_distance_m": 120.0,
   "start_elevation_m": 2325.6939426621875,
   "end_elevation_m": 2335.866598488955,
   "min_gradient_pct": 5.89294537312162
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.386495896597808,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 301.0,
   "end_distance_m": 401.0,
   "start_elevation_m": 2362.061434643661,
   "end_elevation_m": 2380.4479305402588,
   "min_gradient_pct": 7.377175670858833
  }
 ],
 "shape": {
  "ascent_concentration": 0.31,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 228.0,
  "shape_class": "sustained"
 },
 "length_m": 852.1716902533657,
 "start_elevation_m": 2317.3301316406296,
 "end_elevation_m": 2430.2993070898538,
 "endpoint_gain_m": 112.96917544922417,
 "overall_gradient_pct": 13.256621493215345,
 "accumulated_ascent_m": 113.09604274903359,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.4957580701157,
   "start_distance_m": 337.0,
   "end_distance_m": 342.0,
   "midpoint_distance_m": 339.5,
   "start_elevation_m": 2368.081061744324,
   "end_elevation_m": 2369.3058496478297,
   "start_xy": [
    2735549.5586651405,
    1192304.7111364233
   ],
   "end_xy": [
    2735549.0877788584,
    1192309.688913649
   ]
  },
  "max_10m": {
   "gradient_pct": 23.643430714273563,
   "start_distance_m": 95.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 100.0,
   "start_elevation_m": 2330.798238350514,
   "end_elevation_m": 2333.1625814219415,
   "start_xy": [
    2735458.0854025097,
    1192262.210791253
   ],
   "end_xy": [
    2735452.2325156885,
    1192270.3190411173
   ]
  },
  "max_20m": {
   "gradient_pct": 22.987368698250066,
   "start_distance_m": 85.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 95.0,
   "start_elevation_m": 2328.5651076822915,
   "end_elevation_m": 2333.1625814219415,
   "start_xy": [
    2735463.938289331,
    1192254.102541389
   ],
   "end_xy": [
    2735452.2325156885,
    1192270.3190411173
   ]
  },
  "max_25m": {
   "gradient_pct": 22.43224289320642,
   "start_distance_m": 80.0,
   "end_distance_m": 105.0,
   "midpoint_distance_m": 92.5,
   "start_elevation_m": 2327.55452069864,
   "end_elevation_m": 2333.1625814219415,
   "start_xy": [
    2735466.8647327414,
    1192250.0484164567
   ],
   "end_xy": [
    2735452.2325156885,
    1192270.3190411173
   ]
  },
  "max_50m": {
   "gradient_pct": 20.345311653534736,
   "start_distance_m": 70.0,
   "end_distance_m": 120.0,
   "midpoint_distance_m": 95.0,
   "start_elevation_m": 2325.6939426621875,
   "end_elevation_m": 2335.866598488955,
   "start_xy": [
    2735474.153209833,
    1192243.2856513856
   ],
   "end_xy": [
    2735441.5305541856,
    1192280.3796124875
   ]
  },
  "max_100m": {
   "gradient_pct": 18.386495896597808,
   "start_distance_m": 301.0,
   "end_distance_m": 401.0,
   "midpoint_distance_m": 351.0,
   "start_elevation_m": 2362.061434643661,
   "end_elevation_m": 2380.4479305402588,
   "start_xy": [
    2735571.466405182,
    1192278.1677135683
   ],
   "end_xy": [
    2735569.9208828597,
    1192354.9918521591
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 0.7405820478743408,
   "start_distance_m": 446.0,
   "end_distance_m": 451.0,
   "midpoint_distance_m": 448.5,
   "start_elevation_m": 2384.4661559039187,
   "end_elevation_m": 2384.5031850063124,
   "start_xy": [
    2735597.2839599755,
    1192377.6707626395
   ],
   "end_xy": [
    2735602.2793987417,
    1192377.4572409014
   ]
  },
  "min_10m": {
   "gradient_pct": 1.199416855815798,
   "start_distance_m": 444.0,
   "end_distance_m": 454.0,
   "midpoint_distance_m": 449.0,
   "start_elevation_m": 2384.452838820632,
   "end_elevation_m": 2384.572780506214,
   "start_xy": [
    2735595.285784469,
    1192377.7561713345
   ],
   "end_xy": [
    2735605.2766620014,
    1192377.3291278584
   ]
  },
  "min_20m": {
   "gradient_pct": 2.6470089206463854,
   "start_distance_m": 436.0,
   "end_distance_m": 456.0,
   "midpoint_distance_m": 446.0,
   "start_elevation_m": 2384.1021590439846,
   "end_elevation_m": 2384.631560828114,
   "start_xy": [
    2735587.293082443,
    1192378.0978061156
   ],
   "end_xy": [
    2735607.274837508,
    1192377.2437191631
   ]
  },
  "min_25m": {
   "gradient_pct": 3.0882625141803146,
   "start_distance_m": 436.0,
   "end_distance_m": 461.0,
   "midpoint_distance_m": 448.5,
   "start_elevation_m": 2384.1021590439846,
   "end_elevation_m": 2384.8742246725296,
   "start_xy": [
    2735587.293082443,
    1192378.0978061156
   ],
   "end_xy": [
    2735612.270276274,
    1192377.030197425
   ]
  },
  "min_50m": {
   "gradient_pct": 5.89294537312162,
   "start_distance_m": 492.0,
   "end_distance_m": 542.0,
   "midpoint_distance_m": 517.0,
   "start_elevation_m": 2389.0969163534164,
   "end_elevation_m": 2392.0433890399772,
   "start_xy": [
    2735640.809414625,
    1192365.5814920252
   ],
   "end_xy": [
    2735685.1495417454,
    1192342.805546217
   ]
  },
  "min_100m": {
   "gradient_pct": 7.377175670858833,
   "start_distance_m": 435.0,
   "end_distance_m": 535.0,
   "midpoint_distance_m": 485.0,
   "start_elevation_m": 2384.032224664876,
   "end_elevation_m": 2391.409400335735,
   "start_xy": [
    2735586.29399469,
    1192378.1405104632
   ],
   "end_xy": [
    2735678.514074782,
    1192344.9088385315
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.538938577186855,
   "start_distance_m": 338.0,
   "end_distance_m": 340.0,
   "midpoint_distance_m": 339.0,
   "start_elevation_m": 2368.305600934219,
   "end_elevation_m": 2368.8363797057627,
   "start_xy": [
    2735549.464487884,
    1192305.7066918684
   ],
   "end_xy": [
    2735549.2761333715,
    1192307.6978027588
   ]
  },
  "max_3m": {
   "gradient_pct": 25.47430766301962,
   "start_distance_m": 338.0,
   "end_distance_m": 341.0,
   "midpoint_distance_m": 339.5,
   "start_elevation_m": 2368.305600934219,
   "end_elevation_m": 2369.0698301641096,
   "start_xy": [
    2735549.464487884,
    1192305.7066918684
   ],
   "end_xy": [
    2735549.1819561147,
    1192308.6933582039
   ]
  }
 },
 "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": {
  "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_2735-1192_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:29:35+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": [
   "2735-1192"
  ],
  "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": "Laax",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}