{
 "ocl_version": "0.1.0",
 "name": "Via Stagias",
 "slug": "via-stagias-3",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.366436028661155,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1871.0,
   "end_distance_m": 1873.0,
   "start_elevation_m": 1501.69380386169,
   "end_elevation_m": 1502.2211325822632,
   "min_gradient_pct": -7.47641878573404
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 25.623089303242825,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1871.0,
   "end_distance_m": 1874.0,
   "start_elevation_m": 1501.69380386169,
   "end_elevation_m": 1502.4624965407872,
   "min_gradient_pct": -6.076280859034948
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.558007438094137,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1871.0,
   "end_distance_m": 1876.0,
   "start_elevation_m": 1501.69380386169,
   "end_elevation_m": 1502.9717042335947,
   "min_gradient_pct": -4.277215535084906
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 23.4005015080038,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1869.0,
   "end_distance_m": 1879.0,
   "start_elevation_m": 1501.2432121174693,
   "end_elevation_m": 1503.5832622682697,
   "min_gradient_pct": 0.40921619376149465
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 18.33266095875615,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 169.0,
   "end_distance_m": 189.0,
   "start_elevation_m": 1305.839567511221,
   "end_elevation_m": 1309.5060997029723,
   "min_gradient_pct": 4.0635885983761
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 17.913819938198685,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 166.0,
   "end_distance_m": 191.0,
   "start_elevation_m": 1305.3677484827483,
   "end_elevation_m": 1309.846203467298,
   "min_gradient_pct": 4.40444919305628
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.582168745262607,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 26.0,
   "end_distance_m": 76.0,
   "start_elevation_m": 1283.0483152626905,
   "end_elevation_m": 1291.3393996353218,
   "min_gradient_pct": 5.55642587607781
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.354184764652246,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 25.0,
   "end_distance_m": 125.0,
   "start_elevation_m": 1282.8959866423395,
   "end_elevation_m": 1299.2501714069917,
   "min_gradient_pct": 6.657987885957709
  }
 ],
 "shape": {
  "ascent_concentration": 0.274,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 388.0,
  "shape_class": "sustained"
 },
 "length_m": 1884.240799061696,
 "start_elevation_m": 1280.5701242431783,
 "end_elevation_m": 1504.4554216308659,
 "endpoint_gain_m": 223.88529738768761,
 "overall_gradient_pct": 11.8819896851388,
 "accumulated_ascent_m": 224.18047536681888,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.558007438094137,
   "start_distance_m": 1871.0,
   "end_distance_m": 1876.0,
   "midpoint_distance_m": 1873.5,
   "start_elevation_m": 1501.69380386169,
   "end_elevation_m": 1502.9717042335947,
   "start_xy": [
    2707810.7150139953,
    1171193.6335008966
   ],
   "end_xy": [
    2707808.1779248365,
    1171189.3250001594
   ]
  },
  "max_10m": {
   "gradient_pct": 23.4005015080038,
   "start_distance_m": 1869.0,
   "end_distance_m": 1879.0,
   "midpoint_distance_m": 1874.0,
   "start_elevation_m": 1501.2432121174693,
   "end_elevation_m": 1503.5832622682697,
   "start_xy": [
    2707811.7298496584,
    1171195.3569011914
   ],
   "end_xy": [
    2707807.0507208034,
    1171186.5781207168
   ]
  },
  "max_20m": {
   "gradient_pct": 18.33266095875615,
   "start_distance_m": 169.0,
   "end_distance_m": 189.0,
   "midpoint_distance_m": 179.0,
   "start_elevation_m": 1305.839567511221,
   "end_elevation_m": 1309.5060997029723,
   "start_xy": [
    2707873.5214701053,
    1171825.9746588273
   ],
   "end_xy": [
    2707857.342984041,
    1171832.8414215797
   ]
  },
  "max_25m": {
   "gradient_pct": 17.913819938198685,
   "start_distance_m": 166.0,
   "end_distance_m": 191.0,
   "midpoint_distance_m": 178.5,
   "start_elevation_m": 1305.3677484827483,
   "end_elevation_m": 1309.846203467298,
   "start_xy": [
    2707875.329316429,
    1171823.58056366
   ],
   "end_xy": [
    2707856.1352501423,
    1171831.247251316
   ]
  },
  "max_50m": {
   "gradient_pct": 16.582168745262607,
   "start_distance_m": 26.0,
   "end_distance_m": 76.0,
   "midpoint_distance_m": 51.0,
   "start_elevation_m": 1283.0483152626905,
   "end_elevation_m": 1291.3393996353218,
   "start_xy": [
    2707984.642604695,
    1171747.350178319
   ],
   "end_xy": [
    2707936.8095165137,
    1171760.515316231
   ]
  },
  "max_100m": {
   "gradient_pct": 16.354184764652246,
   "start_distance_m": 25.0,
   "end_distance_m": 125.0,
   "midpoint_distance_m": 75.0,
   "start_elevation_m": 1282.8959866423395,
   "end_elevation_m": 1299.2501714069917,
   "start_xy": [
    2707985.4088785406,
    1171746.7076641994
   ],
   "end_xy": [
    2707900.036549519,
    1171790.8612630405
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -4.277215535084906,
   "start_distance_m": 221.0,
   "end_distance_m": 226.0,
   "midpoint_distance_m": 223.5,
   "start_elevation_m": 1312.6967223208635,
   "end_elevation_m": 1312.4828615441093,
   "start_xy": [
    2707830.192424922,
    1171817.9554095499
   ],
   "end_xy": [
    2707826.225342733,
    1171817.0655167392
   ]
  },
  "min_10m": {
   "gradient_pct": 0.40921619376149465,
   "start_distance_m": 219.0,
   "end_distance_m": 229.0,
   "midpoint_distance_m": 224.0,
   "start_elevation_m": 1312.6648287581015,
   "end_elevation_m": 1312.7057503774777,
   "start_xy": [
    2707832.1847356837,
    1171818.1306175103
   ],
   "end_xy": [
    2707828.0275508054,
    1171814.6671743814
   ]
  },
  "min_20m": {
   "gradient_pct": 4.0635885983761,
   "start_distance_m": 210.0,
   "end_distance_m": 230.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 1311.9781834168666,
   "end_elevation_m": 1312.7909011365418,
   "start_xy": [
    2707840.7433617087,
    1171820.7218876844
   ],
   "end_xy": [
    2707828.628286829,
    1171813.8677269288
   ]
  },
  "min_25m": {
   "gradient_pct": 4.40444919305628,
   "start_distance_m": 573.0,
   "end_distance_m": 598.0,
   "midpoint_distance_m": 585.5,
   "start_elevation_m": 1353.414128795624,
   "end_elevation_m": 1354.515241093888,
   "start_xy": [
    2707927.6144540855,
    1171554.7071033153
   ],
   "end_xy": [
    2707943.6876910594,
    1171536.4132317808
   ]
  },
  "min_50m": {
   "gradient_pct": 5.55642587607781,
   "start_distance_m": 574.0,
   "end_distance_m": 624.0,
   "midpoint_distance_m": 599.0,
   "start_elevation_m": 1353.470956293685,
   "end_elevation_m": 1356.249169231724,
   "start_xy": [
    2707928.5304323523,
    1171554.3153955794
   ],
   "end_xy": [
    2707959.175439448,
    1171515.8157151775
   ]
  },
  "min_100m": {
   "gradient_pct": 6.657987885957709,
   "start_distance_m": 569.0,
   "end_distance_m": 669.0,
   "midpoint_distance_m": 619.0,
   "start_elevation_m": 1353.137778929328,
   "end_elevation_m": 1359.7957668152858,
   "start_xy": [
    2707923.860818317,
    1171556.0892098667
   ],
   "end_xy": [
    2707989.290731494,
    1171486.8503728993
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.366436028661155,
   "start_distance_m": 1871.0,
   "end_distance_m": 1873.0,
   "midpoint_distance_m": 1872.0,
   "start_elevation_m": 1501.69380386169,
   "end_elevation_m": 1502.2211325822632,
   "start_xy": [
    2707810.7150139953,
    1171193.6335008966
   ],
   "end_xy": [
    2707809.7001783317,
    1171191.9101006016
   ]
  },
  "max_3m": {
   "gradient_pct": 25.623089303242825,
   "start_distance_m": 1871.0,
   "end_distance_m": 1874.0,
   "midpoint_distance_m": 1872.5,
   "start_elevation_m": 1501.69380386169,
   "end_elevation_m": 1502.4624965407872,
   "start_xy": [
    2707810.7150139953,
    1171193.6335008966
   ],
   "end_xy": [
    2707809.1927605,
    1171191.0484004542
   ]
  }
 },
 "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_2023_2707-1171_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2708-1171_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T21:06:05+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": [
   "2707-1171",
   "2708-1171"
  ],
  "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": "Disentis/Must\u00e9r",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}