{
 "ocl_version": "0.1.0",
 "name": "Via dei Ronchi",
 "slug": "via-dei-ronchi",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 37.441390908463745,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2289.0,
   "end_distance_m": 2291.0,
   "start_elevation_m": 731.1307517617859,
   "end_elevation_m": 731.8795795799551,
   "min_gradient_pct": -11.905686247774838,
   "suppressed_max_gradient_pct": 64.70268982164384,
   "suppressed_location_m": [
    2455.0,
    2457.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.24948951861021,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2449.0,
   "end_distance_m": 2452.0,
   "start_elevation_m": 744.8949586349818,
   "end_elevation_m": 745.9224433205401,
   "min_gradient_pct": -8.415655484426074,
   "suppressed_max_gradient_pct": 52.78668223617539,
   "suppressed_location_m": [
    2443.0,
    2446.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.56352747303208,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2286.0,
   "end_distance_m": 2291.0,
   "start_elevation_m": 730.6014032063035,
   "end_elevation_m": 731.8795795799551,
   "min_gradient_pct": -7.716707857098299,
   "suppressed_max_gradient_pct": 39.83279204533119,
   "suppressed_location_m": [
    2443.0,
    2448.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.487687401932135,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2281.0,
   "end_distance_m": 2291.0,
   "start_elevation_m": 729.6308108397619,
   "end_elevation_m": 731.8795795799551,
   "min_gradient_pct": -0.47265608831764894,
   "suppressed_max_gradient_pct": 32.72462341499249,
   "suppressed_location_m": [
    2442.0,
    2452.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.807651728254086,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2271.0,
   "end_distance_m": 2291.0,
   "start_elevation_m": 727.7180492343043,
   "end_elevation_m": 731.8795795799551,
   "min_gradient_pct": 0.02535306443405716,
   "suppressed_max_gradient_pct": 24.838977230563728,
   "suppressed_location_m": [
    2437.0,
    2457.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 19.537660766121007,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 2266.0,
   "end_distance_m": 2291.0,
   "start_elevation_m": 726.9951643884249,
   "end_elevation_m": 731.8795795799551,
   "min_gradient_pct": 0.11289343520343209,
   "suppressed_max_gradient_pct": 21.012767161061674,
   "suppressed_location_m": [
    2432.0,
    2457.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 17.806023233842552,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 764.0,
   "end_distance_m": 814.0,
   "start_elevation_m": 538.2817182020051,
   "end_elevation_m": 547.1847298189264,
   "min_gradient_pct": 0.49863765765337575
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.520920101247384,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1011.0,
   "end_distance_m": 1111.0,
   "start_elevation_m": 574.6596000089917,
   "end_elevation_m": 591.1805201102391,
   "min_gradient_pct": 1.8907653233451924
  }
 ],
 "shape": {
  "ascent_concentration": 0.307,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 297.0,
  "shape_class": "sustained"
 },
 "length_m": 2511.2599995661276,
 "start_elevation_m": 449.4644460134286,
 "end_elevation_m": 752.5494139160617,
 "endpoint_gain_m": 303.0849679026331,
 "overall_gradient_pct": 12.06903976310686,
 "accumulated_ascent_m": 304.4148801869742,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.56352747303208,
   "start_distance_m": 2286.0,
   "end_distance_m": 2291.0,
   "midpoint_distance_m": 2288.5,
   "start_elevation_m": 730.6014032063035,
   "end_elevation_m": 731.8795795799551,
   "start_xy": [
    2712879.503760518,
    1097782.7647380054
   ],
   "end_xy": [
    2712874.576173753,
    1097781.9168649763
   ]
  },
  "max_10m": {
   "gradient_pct": 22.487687401932135,
   "start_distance_m": 2281.0,
   "end_distance_m": 2291.0,
   "midpoint_distance_m": 2286.0,
   "start_elevation_m": 729.6308108397619,
   "end_elevation_m": 731.8795795799551,
   "start_xy": [
    2712884.437911719,
    1097783.571003312
   ],
   "end_xy": [
    2712874.576173753,
    1097781.9168649763
   ]
  },
  "max_20m": {
   "gradient_pct": 20.807651728254086,
   "start_distance_m": 2271.0,
   "end_distance_m": 2291.0,
   "midpoint_distance_m": 2281.0,
   "start_elevation_m": 727.7180492343043,
   "end_elevation_m": 731.8795795799551,
   "start_xy": [
    2712894.164290104,
    1097785.7337974468
   ],
   "end_xy": [
    2712874.576173753,
    1097781.9168649763
   ]
  },
  "max_25m": {
   "gradient_pct": 19.537660766121007,
   "start_distance_m": 2266.0,
   "end_distance_m": 2291.0,
   "midpoint_distance_m": 2278.5,
   "start_elevation_m": 726.9951643884249,
   "end_elevation_m": 731.8795795799551,
   "start_xy": [
    2712898.7960966295,
    1097787.609231597
   ],
   "end_xy": [
    2712874.576173753,
    1097781.9168649763
   ]
  },
  "max_50m": {
   "gradient_pct": 17.806023233842552,
   "start_distance_m": 764.0,
   "end_distance_m": 814.0,
   "midpoint_distance_m": 789.0,
   "start_elevation_m": 538.2817182020051,
   "end_elevation_m": 547.1847298189264,
   "start_xy": [
    2713067.6327877343,
    1097350.9125950632
   ],
   "end_xy": [
    2713045.0766860605,
    1097369.1774414687
   ]
  },
  "max_100m": {
   "gradient_pct": 16.520920101247384,
   "start_distance_m": 1011.0,
   "end_distance_m": 1111.0,
   "midpoint_distance_m": 1061.0,
   "start_elevation_m": 574.6596000089917,
   "end_elevation_m": 591.1805201102391,
   "start_xy": [
    2712934.8441001154,
    1097349.037908671
   ],
   "end_xy": [
    2712968.3587942137,
    1097442.445311323
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.716707857098299,
   "start_distance_m": 2458.0,
   "end_distance_m": 2463.0,
   "midpoint_distance_m": 2460.5,
   "start_elevation_m": 747.1430342413574,
   "end_elevation_m": 746.7571988485025,
   "start_xy": [
    2712757.4228864126,
    1097683.7263676275
   ],
   "end_xy": [
    2712753.5198907,
    1097681.4727515848
   ]
  },
  "min_10m": {
   "gradient_pct": -0.47265608831764894,
   "start_distance_m": 31.0,
   "end_distance_m": 41.0,
   "midpoint_distance_m": 36.0,
   "start_elevation_m": 449.72993307276704,
   "end_elevation_m": 449.6826674639353,
   "start_xy": [
    2713249.1373157063,
    1097250.3712396051
   ],
   "end_xy": [
    2713242.245970718,
    1097243.1278896546
   ]
  },
  "min_20m": {
   "gradient_pct": 0.02535306443405716,
   "start_distance_m": 28.0,
   "end_distance_m": 48.0,
   "midpoint_distance_m": 38.0,
   "start_elevation_m": 449.715068799141,
   "end_elevation_m": 449.72013941202783,
   "start_xy": [
    2713251.229156122,
    1097252.5216357724
   ],
   "end_xy": [
    2713238.326353054,
    1097237.3715761618
   ]
  },
  "min_25m": {
   "gradient_pct": 0.11289343520343209,
   "start_distance_m": 26.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 38.5,
   "start_elevation_m": 449.71211250668114,
   "end_elevation_m": 449.740335865482,
   "start_xy": [
    2713252.623716399,
    1097253.9552332172
   ],
   "end_xy": [
    2713236.9527152134,
    1097234.7084603652
   ]
  },
  "min_50m": {
   "gradient_pct": 0.49863765765337575,
   "start_distance_m": 1.0,
   "end_distance_m": 51.0,
   "midpoint_distance_m": 26.0,
   "start_elevation_m": 449.4910170366553,
   "end_elevation_m": 449.740335865482,
   "start_xy": [
    2713270.0557198613,
    1097271.8752012774
   ],
   "end_xy": [
    2713236.9527152134,
    1097234.7084603652
   ]
  },
  "min_100m": {
   "gradient_pct": 1.8907653233451924,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 449.4644460134286,
   "end_elevation_m": 451.3552113367738,
   "start_xy": [
    2713270.753,
    1097272.592
   ],
   "end_xy": [
    2713212.3568621064,
    1097193.4825693225
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 37.441390908463745,
   "start_distance_m": 2289.0,
   "end_distance_m": 2291.0,
   "midpoint_distance_m": 2290.0,
   "start_elevation_m": 731.1307517617859,
   "end_elevation_m": 731.8795795799551,
   "start_xy": [
    2712876.547208459,
    1097782.2560141878
   ],
   "end_xy": [
    2712874.576173753,
    1097781.9168649763
   ]
  },
  "max_3m": {
   "gradient_pct": 34.24948951861021,
   "start_distance_m": 2449.0,
   "end_distance_m": 2452.0,
   "midpoint_distance_m": 2450.5,
   "start_elevation_m": 744.8949586349818,
   "end_elevation_m": 745.9224433205401,
   "start_xy": [
    2712765.8911973136,
    1097680.678793103
   ],
   "end_xy": [
    2712763.0684270132,
    1097681.6946512777
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.008,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    2442.0,
    2447.0
   ],
   [
    2453.0,
    2458.0
   ],
   [
    2471.0,
    2477.0
   ]
  ],
  "review": [],
  "extent": [
   "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_2712-1097_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2713-1097_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:26:44+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": [
   "2712-1097",
   "2713-1097"
  ],
  "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": "Cademario",
  "county": "Ticino",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}