{
 "ocl_version": "0.1.0",
 "name": "Via Roculin",
 "slug": "via-roculin",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 35.269343638969985,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 199.0,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 346.9163614652989,
   "min_gradient_pct": -3.617517575878537
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 30.946632608714708,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 200.0,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 347.13937357078095,
   "min_gradient_pct": -0.2745580555028937
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.993147415731755,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 202.0,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 347.5606319633061,
   "min_gradient_pct": 1.1321347922523728
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.368408275705406,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 266.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 360.9557958542666,
   "end_elevation_m": 363.29263668183717,
   "min_gradient_pct": 3.3186601096582535
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.864690879275997,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 260.0,
   "end_distance_m": 280.0,
   "start_elevation_m": 359.60386503901935,
   "end_elevation_m": 364.17680321487455,
   "min_gradient_pct": 7.548263558877579
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.697951045224272,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 251.0,
   "end_distance_m": 276.0,
   "start_elevation_m": 357.6181489205311,
   "end_elevation_m": 363.29263668183717,
   "min_gradient_pct": 7.923464433809386
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.3498817878326,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 231.0,
   "end_distance_m": 281.0,
   "start_elevation_m": 353.22918181148054,
   "end_elevation_m": 364.40412270539684,
   "min_gradient_pct": 8.312428451833739
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 21.283568638021,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 197.0,
   "end_distance_m": 297.0,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 367.4945432305405,
   "min_gradient_pct": 9.126114631065548
  }
 ],
 "shape": {
  "ascent_concentration": 0.339,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 223.0,
  "shape_class": "sustained"
 },
 "length_m": 408.1917273365796,
 "start_elevation_m": 325.646193703981,
 "end_elevation_m": 389.2758766374104,
 "endpoint_gain_m": 63.62968293342942,
 "overall_gradient_pct": 15.58818532374684,
 "accumulated_ascent_m": 63.87398785463523,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.993147415731755,
   "start_distance_m": 197.0,
   "end_distance_m": 202.0,
   "midpoint_distance_m": 199.5,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 347.5606319633061,
   "start_xy": [
    2715479.5858649225,
    1100546.6977299943
   ],
   "end_xy": [
    2715475.2563198023,
    1100549.198737602
   ]
  },
  "max_10m": {
   "gradient_pct": 23.368408275705406,
   "start_distance_m": 266.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 271.0,
   "start_elevation_m": 360.9557958542666,
   "end_elevation_m": 363.29263668183717,
   "start_xy": [
    2715418.2374752243,
    1100577.875518946
   ],
   "end_xy": [
    2715408.3519155695,
    1100578.8609235329
   ]
  },
  "max_20m": {
   "gradient_pct": 22.864690879275997,
   "start_distance_m": 260.0,
   "end_distance_m": 280.0,
   "midpoint_distance_m": 270.0,
   "start_elevation_m": 359.60386503901935,
   "end_elevation_m": 364.17680321487455,
   "start_xy": [
    2715424.0422320287,
    1100576.3595008072
   ],
   "end_xy": [
    2715404.3798369193,
    1100578.3891278203
   ]
  },
  "max_25m": {
   "gradient_pct": 22.697951045224272,
   "start_distance_m": 251.0,
   "end_distance_m": 276.0,
   "midpoint_distance_m": 263.5,
   "start_elevation_m": 357.6181489205311,
   "end_elevation_m": 363.29263668183717,
   "start_xy": [
    2715432.1082352013,
    1100572.3670588455
   ],
   "end_xy": [
    2715408.3519155695,
    1100578.8609235329
   ]
  },
  "max_50m": {
   "gradient_pct": 22.3498817878326,
   "start_distance_m": 231.0,
   "end_distance_m": 281.0,
   "midpoint_distance_m": 256.0,
   "start_elevation_m": 353.22918181148054,
   "end_elevation_m": 364.40412270539684,
   "start_xy": [
    2715450.0326866964,
    1100563.494965597
   ],
   "end_xy": [
    2715403.3868172565,
    1100578.2711788923
   ]
  },
  "max_100m": {
   "gradient_pct": 21.283568638021,
   "start_distance_m": 197.0,
   "end_distance_m": 297.0,
   "midpoint_distance_m": 247.0,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 367.4945432305405,
   "start_xy": [
    2715479.5858649225,
    1100546.6977299943
   ],
   "end_xy": [
    2715387.6093092607,
    1100575.700989867
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.1321347922523728,
   "start_distance_m": 181.0,
   "end_distance_m": 186.0,
   "midpoint_distance_m": 183.5,
   "start_elevation_m": 344.9601695720969,
   "end_elevation_m": 345.0167763117095,
   "start_xy": [
    2715483.568190942,
    1100540.3534041941
   ],
   "end_xy": [
    2715488.4773906046,
    1100541.3019602955
   ]
  },
  "min_10m": {
   "gradient_pct": 3.3186601096582535,
   "start_distance_m": 178.0,
   "end_distance_m": 188.0,
   "midpoint_distance_m": 183.0,
   "start_elevation_m": 344.7957494656831,
   "end_elevation_m": 345.12761547664894,
   "start_xy": [
    2715480.622671145,
    1100539.7842705334
   ],
   "end_xy": [
    2715487.3790461384,
    1100542.1959163006
   ]
  },
  "min_20m": {
   "gradient_pct": 7.548263558877579,
   "start_distance_m": 177.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 187.0,
   "start_elevation_m": 344.701321880744,
   "end_elevation_m": 346.2109745925195,
   "start_xy": [
    2715479.6408312125,
    1100539.594559313
   ],
   "end_xy": [
    2715479.5858649225,
    1100546.6977299943
   ]
  },
  "min_25m": {
   "gradient_pct": 7.923464433809386,
   "start_distance_m": 71.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 83.5,
   "start_elevation_m": 332.57258419031325,
   "end_elevation_m": 334.5534502987656,
   "start_xy": [
    2715385.4850647408,
    1100494.6572518155
   ],
   "end_xy": [
    2715408.3440253423,
    1100504.6959064347
   ]
  },
  "min_50m": {
   "gradient_pct": 8.312428451833739,
   "start_distance_m": 46.0,
   "end_distance_m": 96.0,
   "midpoint_distance_m": 71.0,
   "start_elevation_m": 330.3972360728487,
   "end_elevation_m": 334.5534502987656,
   "start_xy": [
    2715368.8161232546,
    1100476.1361054452
   ],
   "end_xy": [
    2715408.3440253423,
    1100504.6959064347
   ]
  },
  "min_100m": {
   "gradient_pct": 9.126114631065548,
   "start_distance_m": 17.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 67.0,
   "start_elevation_m": 327.857620600252,
   "end_elevation_m": 336.98373523131755,
   "start_xy": [
    2715350.4662735923,
    1100453.6798587113
   ],
   "end_xy": [
    2715427.8433881598,
    1100512.491729015
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 35.269343638969985,
   "start_distance_m": 197.0,
   "end_distance_m": 199.0,
   "midpoint_distance_m": 198.0,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 346.9163614652989,
   "start_xy": [
    2715479.5858649225,
    1100546.6977299943
   ],
   "end_xy": [
    2715477.8540468747,
    1100547.6981330374
   ]
  },
  "max_3m": {
   "gradient_pct": 30.946632608714708,
   "start_distance_m": 197.0,
   "end_distance_m": 200.0,
   "midpoint_distance_m": 198.5,
   "start_elevation_m": 346.2109745925195,
   "end_elevation_m": 347.13937357078095,
   "start_xy": [
    2715479.5858649225,
    1100546.6977299943
   ],
   "end_xy": [
    2715476.9881378505,
    1100548.198334559
   ]
  }
 },
 "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",
   "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_2022_2715-1100_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:25:06+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": [
   "2715-1100"
  ],
  "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": "Lamone",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}