{
 "ocl_version": "0.1.0",
 "name": "Cassin\u00e9i",
 "slug": "cassinei",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.795933863641494,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 151.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 800.277824821944,
   "end_elevation_m": 800.7537434992169,
   "min_gradient_pct": 0.9743759908474203
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.846363682037918,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 150.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 800.0683525887557,
   "end_elevation_m": 800.7537434992169,
   "min_gradient_pct": 1.4981000042022667
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.991844361882613,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 148.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 799.6541512811227,
   "end_elevation_m": 800.7537434992169,
   "min_gradient_pct": 1.9136537325266545
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.00263837284274,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 145.0,
   "end_distance_m": 155.0,
   "start_elevation_m": 799.0669459040528,
   "end_elevation_m": 801.167209741337,
   "min_gradient_pct": 4.777445807931144
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.639259058759762,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 135.0,
   "end_distance_m": 155.0,
   "start_elevation_m": 797.0393579295851,
   "end_elevation_m": 801.167209741337,
   "min_gradient_pct": 6.165613546349391
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.280502467634506,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 133.0,
   "end_distance_m": 158.0,
   "start_elevation_m": 796.6275834863465,
   "end_elevation_m": 801.6977091032551,
   "min_gradient_pct": 6.793829576664848
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.206038137739142,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 52.0,
   "end_distance_m": 102.0,
   "start_elevation_m": 781.4585164609375,
   "end_elevation_m": 791.0615355298071,
   "min_gradient_pct": 10.477019075643511
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 19.091700964038182,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 53.0,
   "end_distance_m": 153.0,
   "start_elevation_m": 781.6620425351787,
   "end_elevation_m": 800.7537434992169,
   "min_gradient_pct": 14.262942282132144
  }
 ],
 "shape": {
  "ascent_concentration": 0.301,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 198.0,
  "shape_class": "sustained"
 },
 "length_m": 220.37678783528048,
 "start_elevation_m": 773.4369062744174,
 "end_elevation_m": 808.7176647656339,
 "endpoint_gain_m": 35.28075849121649,
 "overall_gradient_pct": 16.009289743158845,
 "accumulated_ascent_m": 35.28832258107059,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.991844361882613,
   "start_distance_m": 148.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 150.5,
   "start_elevation_m": 799.6541512811227,
   "end_elevation_m": 800.7537434992169,
   "start_xy": [
    2711649.3380590393,
    1100390.835268967
   ],
   "end_xy": [
    2711644.3649405222,
    1100390.7434422583
   ]
  },
  "max_10m": {
   "gradient_pct": 21.00263837284274,
   "start_distance_m": 145.0,
   "end_distance_m": 155.0,
   "midpoint_distance_m": 150.0,
   "start_elevation_m": 799.0669459040528,
   "end_elevation_m": 801.167209741337,
   "start_xy": [
    2711652.105873862,
    1100391.8450987411
   ],
   "end_xy": [
    2711642.5236276453,
    1100391.4122912325
   ]
  },
  "max_20m": {
   "gradient_pct": 20.639259058759762,
   "start_distance_m": 135.0,
   "end_distance_m": 155.0,
   "midpoint_distance_m": 145.0,
   "start_elevation_m": 797.0393579295851,
   "end_elevation_m": 801.167209741337,
   "start_xy": [
    2711660.043184045,
    1100397.880883426
   ],
   "end_xy": [
    2711642.5236276453,
    1100391.4122912325
   ]
  },
  "max_25m": {
   "gradient_pct": 20.280502467634506,
   "start_distance_m": 133.0,
   "end_distance_m": 158.0,
   "midpoint_distance_m": 145.5,
   "start_elevation_m": 796.6275834863465,
   "end_elevation_m": 801.6977091032551,
   "start_xy": [
    2711661.5809948426,
    1100399.1596085527
   ],
   "end_xy": [
    2711640.1208720766,
    1100393.1385281074
   ]
  },
  "max_50m": {
   "gradient_pct": 19.206038137739142,
   "start_distance_m": 52.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 77.0,
   "start_elevation_m": 781.4585164609375,
   "end_elevation_m": 791.0615355298071,
   "start_xy": [
    2711730.727618548,
    1100438.5587785214
   ],
   "end_xy": [
    2711685.7060424406,
    1100418.625599876
   ]
  },
  "max_100m": {
   "gradient_pct": 19.091700964038182,
   "start_distance_m": 53.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 103.0,
   "start_elevation_m": 781.6620425351787,
   "end_elevation_m": 800.7537434992169,
   "start_xy": [
    2711729.7622832106,
    1100438.2977657137
   ],
   "end_xy": [
    2711644.3649405222,
    1100390.7434422583
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.9136537325266545,
   "start_distance_m": 208.0,
   "end_distance_m": 213.0,
   "midpoint_distance_m": 210.5,
   "start_elevation_m": 808.1038666513223,
   "end_elevation_m": 808.1995493379486,
   "start_xy": [
    2711654.8170412276,
    1100438.1039963062
   ],
   "end_xy": [
    2711657.2461685794,
    1100442.4742755087
   ]
  },
  "min_10m": {
   "gradient_pct": 4.777445807931144,
   "start_distance_m": 204.0,
   "end_distance_m": 214.0,
   "midpoint_distance_m": 209.0,
   "start_elevation_m": 807.7910578115147,
   "end_elevation_m": 808.2688023923079,
   "start_xy": [
    2711652.873739346,
    1100434.6077729443
   ],
   "end_xy": [
    2711657.73199405,
    1100443.3483313492
   ]
  },
  "min_20m": {
   "gradient_pct": 6.165613546349391,
   "start_distance_m": 200.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 210.0,
   "start_elevation_m": 807.4518060977504,
   "end_elevation_m": 808.6849288070202,
   "start_xy": [
    2711650.930437464,
    1100431.1115495823
   ],
   "end_xy": [
    2711660.6469468726,
    1100448.592666392
   ]
  },
  "min_25m": {
   "gradient_pct": 6.793829576664848,
   "start_distance_m": 195.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 207.5,
   "start_elevation_m": 806.986471412854,
   "end_elevation_m": 808.6849288070202,
   "start_xy": [
    2711648.501310112,
    1100426.74127038
   ],
   "end_xy": [
    2711660.6469468726,
    1100448.592666392
   ]
  },
  "min_50m": {
   "gradient_pct": 10.477019075643511,
   "start_distance_m": 170.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 195.0,
   "start_elevation_m": 803.4464192691985,
   "end_elevation_m": 808.6849288070202,
   "start_xy": [
    2711637.8390802057,
    1100404.1891472521
   ],
   "end_xy": [
    2711660.6469468726,
    1100448.592666392
   ]
  },
  "min_100m": {
   "gradient_pct": 14.262942282132144,
   "start_distance_m": 120.0,
   "end_distance_m": 220.0,
   "midpoint_distance_m": 170.0,
   "start_elevation_m": 794.4219865248881,
   "end_elevation_m": 808.6849288070202,
   "start_xy": [
    2711671.6519794143,
    1100407.379119873
   ],
   "end_xy": [
    2711660.6469468726,
    1100448.592666392
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.795933863641494,
   "start_distance_m": 151.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 152.0,
   "start_elevation_m": 800.277824821944,
   "end_elevation_m": 800.7537434992169,
   "start_xy": [
    2711646.36021966,
    1100390.6061063132
   ],
   "end_xy": [
    2711644.3649405222,
    1100390.7434422583
   ]
  },
  "max_3m": {
   "gradient_pct": 22.846363682037918,
   "start_distance_m": 150.0,
   "end_distance_m": 153.0,
   "midpoint_distance_m": 151.5,
   "start_elevation_m": 800.0683525887557,
   "end_elevation_m": 800.7537434992169,
   "start_xy": [
    2711647.357072296,
    1100390.5601480422
   ],
   "end_xy": [
    2711644.3649405222,
    1100390.7434422583
   ]
  }
 },
 "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_2711-1100_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:24:49+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-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": [
   "2711-1100"
  ],
  "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": "Alto Malcantone",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}