{
 "ocl_version": "0.1.0",
 "name": "Strada del Lavatoio",
 "slug": "strada-del-lavatoio",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.26005796362176,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 146.0,
   "end_distance_m": 148.0,
   "start_elevation_m": 461.55683746270523,
   "end_elevation_m": 462.04203862197767,
   "min_gradient_pct": -5.045833623501039
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.575106690210152,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 147.0,
   "end_distance_m": 150.0,
   "start_elevation_m": 461.78014399003763,
   "end_elevation_m": 462.48739719074393,
   "min_gradient_pct": -4.799712974134233
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.523921354899358,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 147.0,
   "end_distance_m": 152.0,
   "start_elevation_m": 461.78014399003763,
   "end_elevation_m": 462.9563400577826,
   "min_gradient_pct": -4.099105062002764
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.976648612386725,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 145.0,
   "end_distance_m": 155.0,
   "start_elevation_m": 461.3433164674735,
   "end_elevation_m": 463.6409813287122,
   "min_gradient_pct": -3.775760494199858
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.82218132623285,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 143.0,
   "end_distance_m": 163.0,
   "start_elevation_m": 460.89084057428323,
   "end_elevation_m": 465.4552768395298,
   "min_gradient_pct": -3.259019780227561
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.584993080329014,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 138.0,
   "end_distance_m": 163.0,
   "start_elevation_m": 459.80902856944755,
   "end_elevation_m": 465.4552768395298,
   "min_gradient_pct": -3.0989394802477364
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.902634761277113,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "start_elevation_m": 456.17695141220463,
   "end_elevation_m": 467.1282687928432,
   "min_gradient_pct": -1.3947003880058446
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.771950907769053,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 109.0,
   "end_distance_m": 209.0,
   "start_elevation_m": 454.5567858002348,
   "end_elevation_m": 473.3287367080039,
   "min_gradient_pct": 4.686255606169311
  }
 ],
 "shape": {
  "ascent_concentration": 0.384,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 168.0,
  "shape_class": "sustained"
 },
 "length_m": 658.6905304930907,
 "start_elevation_m": 445.35338960449036,
 "end_elevation_m": 519.4861827343801,
 "endpoint_gain_m": 74.13279312988976,
 "overall_gradient_pct": 11.254570955254893,
 "accumulated_ascent_m": 75.64218326756065,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.523921354899358,
   "start_distance_m": 147.0,
   "end_distance_m": 152.0,
   "midpoint_distance_m": 149.5,
   "start_elevation_m": 461.78014399003763,
   "end_elevation_m": 462.9563400577826,
   "start_xy": [
    2714134.4638485406,
    1103957.8735390583
   ],
   "end_xy": [
    2714132.702676953,
    1103953.1939798228
   ]
  },
  "max_10m": {
   "gradient_pct": 22.976648612386725,
   "start_distance_m": 145.0,
   "end_distance_m": 155.0,
   "midpoint_distance_m": 150.0,
   "start_elevation_m": 461.3433164674735,
   "end_elevation_m": 463.6409813287122,
   "start_xy": [
    2714135.168317176,
    1103959.7453627526
   ],
   "end_xy": [
    2714131.645974,
    1103950.3862442817
   ]
  },
  "max_20m": {
   "gradient_pct": 22.82218132623285,
   "start_distance_m": 143.0,
   "end_distance_m": 163.0,
   "midpoint_distance_m": 153.0,
   "start_elevation_m": 460.89084057428323,
   "end_elevation_m": 465.4552768395298,
   "start_xy": [
    2714135.872785811,
    1103961.6171864467
   ],
   "end_xy": [
    2714129.083474983,
    1103942.8114098452
   ]
  },
  "max_25m": {
   "gradient_pct": 22.584993080329014,
   "start_distance_m": 138.0,
   "end_distance_m": 163.0,
   "midpoint_distance_m": 150.5,
   "start_elevation_m": 459.80902856944755,
   "end_elevation_m": 465.4552768395298,
   "start_xy": [
    2714137.701156283,
    1103966.2701939123
   ],
   "end_xy": [
    2714129.083474983,
    1103942.8114098452
   ]
  },
  "max_50m": {
   "gradient_pct": 21.902634761277113,
   "start_distance_m": 121.0,
   "end_distance_m": 171.0,
   "midpoint_distance_m": 146.0,
   "start_elevation_m": 456.17695141220463,
   "end_elevation_m": 467.1282687928432,
   "start_xy": [
    2714145.7343988963,
    1103981.2374401
   ],
   "end_xy": [
    2714127.4192499644,
    1103934.9933818665
   ]
  },
  "max_100m": {
   "gradient_pct": 18.771950907769053,
   "start_distance_m": 109.0,
   "end_distance_m": 209.0,
   "midpoint_distance_m": 159.0,
   "start_elevation_m": 454.5567858002348,
   "end_elevation_m": 473.3287367080039,
   "start_xy": [
    2714150.1991194813,
    1103992.3327508445
   ],
   "end_xy": [
    2714126.3816040014,
    1103898.0967299524
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.099105062002764,
   "start_distance_m": 411.0,
   "end_distance_m": 416.0,
   "midpoint_distance_m": 413.5,
   "start_elevation_m": 503.1655061720353,
   "end_elevation_m": 502.96055091893516,
   "start_xy": [
    2713998.0878071524,
    1104048.7368825611
   ],
   "end_xy": [
    2713995.2487364747,
    1104052.8526665312
   ]
  },
  "min_10m": {
   "gradient_pct": -3.775760494199858,
   "start_distance_m": 409.0,
   "end_distance_m": 419.0,
   "midpoint_distance_m": 414.0,
   "start_elevation_m": 503.24414988106935,
   "end_elevation_m": 502.86657383164936,
   "start_xy": [
    2713999.2234354233,
    1104047.0905689732
   ],
   "end_xy": [
    2713993.5452940683,
    1104055.3221369132
   ]
  },
  "min_20m": {
   "gradient_pct": -3.259019780227561,
   "start_distance_m": 406.0,
   "end_distance_m": 426.0,
   "midpoint_distance_m": 416.0,
   "start_elevation_m": 503.32066379114025,
   "end_elevation_m": 502.66885983509474,
   "start_xy": [
    2714000.92687783,
    1104044.6210985912
   ],
   "end_xy": [
    2713989.5611876105,
    1104061.0776090187
   ]
  },
  "min_25m": {
   "gradient_pct": -3.0989394802477364,
   "start_distance_m": 410.0,
   "end_distance_m": 435.0,
   "midpoint_distance_m": 422.5,
   "start_elevation_m": 503.20408366930656,
   "end_elevation_m": 502.4293487992446,
   "start_xy": [
    2713998.655621288,
    1104047.913725767
   ],
   "end_xy": [
    2713984.30752482,
    1104068.3850728248
   ]
  },
  "min_50m": {
   "gradient_pct": -1.3947003880058446,
   "start_distance_m": 396.0,
   "end_distance_m": 446.0,
   "midpoint_distance_m": 421.0,
   "start_elevation_m": 503.13706389821783,
   "end_elevation_m": 502.4397137042149,
   "start_xy": [
    2714006.605019185,
    1104036.389530651
   ],
   "end_xy": [
    2713977.8863814087,
    1104077.3164174769
   ]
  },
  "min_100m": {
   "gradient_pct": 4.686255606169311,
   "start_distance_m": 391.0,
   "end_distance_m": 491.0,
   "midpoint_distance_m": 441.0,
   "start_elevation_m": 502.60825412471445,
   "end_elevation_m": 507.29450973088376,
   "start_xy": [
    2714009.4440898625,
    1104032.2737466812
   ],
   "end_xy": [
    2713955.58826723,
    1104086.7995605494
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.26005796362176,
   "start_distance_m": 146.0,
   "end_distance_m": 148.0,
   "midpoint_distance_m": 147.0,
   "start_elevation_m": 461.55683746270523,
   "end_elevation_m": 462.04203862197767,
   "start_xy": [
    2714134.816082858,
    1103958.8094509053
   ],
   "end_xy": [
    2714134.111614223,
    1103956.9376272112
   ]
  },
  "max_3m": {
   "gradient_pct": 23.575106690210152,
   "start_distance_m": 147.0,
   "end_distance_m": 150.0,
   "midpoint_distance_m": 148.5,
   "start_elevation_m": 461.78014399003763,
   "end_elevation_m": 462.48739719074393,
   "start_xy": [
    2714134.4638485406,
    1103957.8735390583
   ],
   "end_xy": [
    2714133.4071455877,
    1103955.0658035171
   ]
  }
 },
 "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_2022_2713-1103_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2713-1104_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2714-1103_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2714-1104_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:26:15+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": [
   "2713-1103",
   "2713-1104",
   "2714-1103",
   "2714-1104"
  ],
  "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": "Monteceneri",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}