{
 "ocl_version": "0.1.0",
 "name": "Via Municipio",
 "slug": "via-municipio",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 37.27938302034772,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 256.0,
   "end_distance_m": 258.0,
   "start_elevation_m": 317.3217241693792,
   "end_elevation_m": 318.06731182978615,
   "min_gradient_pct": -12.778658561845191
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.45737662969547,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 256.0,
   "end_distance_m": 259.0,
   "start_elevation_m": 317.3217241693792,
   "end_elevation_m": 318.26544546827006,
   "min_gradient_pct": -8.454927478283025
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.34256561346251,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 288.0,
   "end_distance_m": 293.0,
   "start_elevation_m": 325.5071307104985,
   "end_elevation_m": 326.9242589911716,
   "min_gradient_pct": -3.863114164514627
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.324569537433376,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 284.0,
   "end_distance_m": 294.0,
   "start_elevation_m": 324.4103781159061,
   "end_elevation_m": 327.14283506964944,
   "min_gradient_pct": 2.729125326658277
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.639607210322538,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 276.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 322.37291011161295,
   "end_elevation_m": 327.70083155367746,
   "min_gradient_pct": 6.550223047474049
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.328748951922762,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 271.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 321.11864431569677,
   "end_elevation_m": 327.70083155367746,
   "min_gradient_pct": 7.5364088808353245
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.78668257716504,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 246.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 315.30749026509494,
   "end_elevation_m": 327.70083155367746,
   "min_gradient_pct": 9.634204846202692
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 23.794190784610237,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 196.0,
   "end_distance_m": 296.0,
   "start_elevation_m": 303.9066407690672,
   "end_elevation_m": 327.70083155367746,
   "min_gradient_pct": 9.924686932028806
  }
 ],
 "shape": {
  "ascent_concentration": 0.401,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 132.0,
  "shape_class": "sustained"
 },
 "length_m": 296.4464165543413,
 "start_elevation_m": 282.27044059455557,
 "end_elevation_m": 327.75444727708407,
 "endpoint_gain_m": 45.4840066825285,
 "overall_gradient_pct": 15.343078594505757,
 "accumulated_ascent_m": 45.91203065196066,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.34256561346251,
   "start_distance_m": 288.0,
   "end_distance_m": 293.0,
   "midpoint_distance_m": 290.5,
   "start_elevation_m": 325.5071307104985,
   "end_elevation_m": 326.9242589911716,
   "start_xy": [
    2713395.7417098084,
    1091827.5137990061
   ],
   "end_xy": [
    2713400.4119509724,
    1091825.7426195263
   ]
  },
  "max_10m": {
   "gradient_pct": 27.324569537433376,
   "start_distance_m": 284.0,
   "end_distance_m": 294.0,
   "midpoint_distance_m": 289.0,
   "start_elevation_m": 324.4103781159061,
   "end_elevation_m": 327.14283506964944,
   "start_xy": [
    2713392.344805343,
    1091829.6223259391
   ],
   "end_xy": [
    2713401.3686207584,
    1091825.4514444715
   ]
  },
  "max_20m": {
   "gradient_pct": 26.639607210322538,
   "start_distance_m": 276.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 286.0,
   "start_elevation_m": 322.37291011161295,
   "end_elevation_m": 327.70083155367746,
   "start_xy": [
    2713386.1211043317,
    1091834.6292796514
   ],
   "end_xy": [
    2713403.2818449745,
    1091824.8687163228
   ]
  },
  "max_25m": {
   "gradient_pct": 26.328748951922762,
   "start_distance_m": 271.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 283.5,
   "start_elevation_m": 321.11864431569677,
   "end_elevation_m": 327.70083155367746,
   "start_xy": [
    2713382.3296627617,
    1091837.888875994
   ],
   "end_xy": [
    2713403.2818449745,
    1091824.8687163228
   ]
  },
  "max_50m": {
   "gradient_pct": 24.78668257716504,
   "start_distance_m": 246.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 271.0,
   "start_elevation_m": 315.30749026509494,
   "end_elevation_m": 327.70083155367746,
   "start_xy": [
    2713360.290795095,
    1091848.8848283826
   ],
   "end_xy": [
    2713403.2818449745,
    1091824.8687163228
   ]
  },
  "max_100m": {
   "gradient_pct": 23.794190784610237,
   "start_distance_m": 196.0,
   "end_distance_m": 296.0,
   "midpoint_distance_m": 246.0,
   "start_elevation_m": 303.9066407690672,
   "end_elevation_m": 327.70083155367746,
   "start_xy": [
    2713313.9277975294,
    1091843.5110837338
   ],
   "end_xy": [
    2713403.2818449745,
    1091824.8687163228
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.863114164514627,
   "start_distance_m": 84.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 86.5,
   "start_elevation_m": 291.1969766570246,
   "end_elevation_m": 291.0038209487989,
   "start_xy": [
    2713236.1472462416,
    1091821.3854237471
   ],
   "end_xy": [
    2713238.2326192176,
    1091816.8654551257
   ]
  },
  "min_10m": {
   "gradient_pct": 2.729125326658277,
   "start_distance_m": 79.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 84.0,
   "start_elevation_m": 290.73090841613305,
   "end_elevation_m": 291.0038209487989,
   "start_xy": [
    2713234.227115436,
    1091826.0020347314
   ],
   "end_xy": [
    2713238.2326192176,
    1091816.8654551257
   ]
  },
  "min_20m": {
   "gradient_pct": 6.550223047474049,
   "start_distance_m": 69.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 79.0,
   "start_elevation_m": 289.69377633930407,
   "end_elevation_m": 291.0038209487989,
   "start_xy": [
    2713230.386998235,
    1091835.2353167473
   ],
   "end_xy": [
    2713238.2326192176,
    1091816.8654551257
   ]
  },
  "min_25m": {
   "gradient_pct": 7.5364088808353245,
   "start_distance_m": 64.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 76.5,
   "start_elevation_m": 289.11971872859004,
   "end_elevation_m": 291.0038209487989,
   "start_xy": [
    2713228.466159333,
    1091839.8516326451
   ],
   "end_xy": [
    2713238.2326192176,
    1091816.8654551257
   ]
  },
  "min_50m": {
   "gradient_pct": 9.634204846202692,
   "start_distance_m": 39.0,
   "end_distance_m": 89.0,
   "midpoint_distance_m": 64.0,
   "start_elevation_m": 286.18671852569753,
   "end_elevation_m": 291.0038209487989,
   "start_xy": [
    2713218.8651911085,
    1091862.934556268
   ],
   "end_xy": [
    2713238.2326192176,
    1091816.8654551257
   ]
  },
  "min_100m": {
   "gradient_pct": 9.924686932028806,
   "start_distance_m": 65.0,
   "end_distance_m": 165.0,
   "midpoint_distance_m": 115.0,
   "start_elevation_m": 289.2449600566253,
   "end_elevation_m": 299.1696469886541,
   "start_xy": [
    2713228.8502774676,
    1091838.9283486917
   ],
   "end_xy": [
    2713285.623871443,
    1091831.8857150075
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 37.27938302034772,
   "start_distance_m": 256.0,
   "end_distance_m": 258.0,
   "midpoint_distance_m": 257.0,
   "start_elevation_m": 317.3217241693792,
   "end_elevation_m": 318.06731182978615,
   "start_xy": [
    2713369.79732598,
    1091845.798588788
   ],
   "end_xy": [
    2713371.687035102,
    1091845.1436089806
   ]
  },
  "max_3m": {
   "gradient_pct": 31.45737662969547,
   "start_distance_m": 256.0,
   "end_distance_m": 259.0,
   "midpoint_distance_m": 257.5,
   "start_elevation_m": 317.3217241693792,
   "end_elevation_m": 318.26544546827006,
   "start_xy": [
    2713369.79732598,
    1091845.798588788
   ],
   "end_xy": [
    2713372.631772285,
    1091844.8157803838
   ]
  }
 },
 "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_2713-1091_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T06:57:02+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-extent-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": [
   "2713-1091"
  ],
  "route_base_cut_m": 71.6,
  "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": "Collina d'Oro",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}