{
 "ocl_version": "0.1.0",
 "name": "Via Schetga Nova",
 "slug": "via-schetga-nova-2",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.762347431278158,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 393.0,
   "end_distance_m": 395.0,
   "start_elevation_m": 1393.6423868597847,
   "end_elevation_m": 1393.9976338084102,
   "min_gradient_pct": 4.781682599730175
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 17.497286702359816,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 392.0,
   "end_distance_m": 395.0,
   "start_elevation_m": 1393.4727152073394,
   "end_elevation_m": 1393.9976338084102,
   "min_gradient_pct": 5.490187396435431
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 17.409797375157723,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 393.0,
   "end_distance_m": 398.0,
   "start_elevation_m": 1393.6423868597847,
   "end_elevation_m": 1394.5128767285426,
   "min_gradient_pct": 6.410592393644947
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.53695877401333,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 389.0,
   "end_distance_m": 399.0,
   "start_elevation_m": 1393.0022376117815,
   "end_elevation_m": 1394.6559334891829,
   "min_gradient_pct": 6.993395771737596
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 14.916819994132311,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 383.0,
   "end_distance_m": 403.0,
   "start_elevation_m": 1392.210104749567,
   "end_elevation_m": 1395.1934687483936,
   "min_gradient_pct": 7.579823517689874
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.691085991049476,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 815.0,
   "end_distance_m": 840.0,
   "start_elevation_m": 1444.6686026863108,
   "end_elevation_m": 1448.3413741840732,
   "min_gradient_pct": 7.940596841851402
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.314206651067707,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1312.0,
   "end_distance_m": 1362.0,
   "start_elevation_m": 1512.021410136012,
   "end_elevation_m": 1519.178513461546,
   "min_gradient_pct": 9.25505904551801
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.908145808782592,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1269.0,
   "end_distance_m": 1369.0,
   "start_elevation_m": 1506.3100746076539,
   "end_elevation_m": 1520.2182204164365,
   "min_gradient_pct": 10.070597855876258
  }
 ],
 "shape": {
  "ascent_concentration": 0.279,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 682.0,
  "shape_class": "sustained"
 },
 "length_m": 1706.1037810408766,
 "start_elevation_m": 1348.0887774556477,
 "end_elevation_m": 1556.6427670703208,
 "endpoint_gain_m": 208.55398961467313,
 "overall_gradient_pct": 12.22399199463918,
 "accumulated_ascent_m": 208.55398961467313,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 17.409797375157723,
   "start_distance_m": 393.0,
   "end_distance_m": 398.0,
   "midpoint_distance_m": 395.5,
   "start_elevation_m": 1393.6423868597847,
   "end_elevation_m": 1394.5128767285426,
   "start_xy": [
    2709003.8030741476,
    1170316.4352557752
   ],
   "end_xy": [
    2709008.7511145687,
    1170316.5733595572
   ]
  },
  "max_10m": {
   "gradient_pct": 16.53695877401333,
   "start_distance_m": 389.0,
   "end_distance_m": 399.0,
   "midpoint_distance_m": 394.0,
   "start_elevation_m": 1393.0022376117815,
   "end_elevation_m": 1394.6559334891829,
   "start_xy": [
    2709000.1948034577,
    1170314.7699344032
   ],
   "end_xy": [
    2709009.7214457956,
    1170316.3446822406
   ]
  },
  "max_20m": {
   "gradient_pct": 14.916819994132311,
   "start_distance_m": 383.0,
   "end_distance_m": 403.0,
   "midpoint_distance_m": 393.0,
   "start_elevation_m": 1392.210104749567,
   "end_elevation_m": 1395.1934687483936,
   "start_xy": [
    2708995.113445825,
    1170311.5793550566
   ],
   "end_xy": [
    2709013.1318264473,
    1170314.350812582
   ]
  },
  "max_25m": {
   "gradient_pct": 14.691085991049476,
   "start_distance_m": 815.0,
   "end_distance_m": 840.0,
   "midpoint_distance_m": 827.5,
   "start_elevation_m": 1444.6686026863108,
   "end_elevation_m": 1448.3413741840732,
   "start_xy": [
    2709250.80035971,
    1170265.4123832877
   ],
   "end_xy": [
    2709275.657168698,
    1170265.6990471662
   ]
  },
  "max_50m": {
   "gradient_pct": 14.314206651067707,
   "start_distance_m": 1312.0,
   "end_distance_m": 1362.0,
   "midpoint_distance_m": 1337.0,
   "start_elevation_m": 1512.021410136012,
   "end_elevation_m": 1519.178513461546,
   "start_xy": [
    2709542.6781475334,
    1169921.4076352327
   ],
   "end_xy": [
    2709556.0749479355,
    1169873.6564276298
   ]
  },
  "max_100m": {
   "gradient_pct": 13.908145808782592,
   "start_distance_m": 1269.0,
   "end_distance_m": 1369.0,
   "midpoint_distance_m": 1319.0,
   "start_elevation_m": 1506.3100746076539,
   "end_elevation_m": 1520.2182204164365,
   "start_xy": [
    2709523.046871873,
    1169959.6512102415
   ],
   "end_xy": [
    2709555.6293310337,
    1169866.7200499515
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 6.410592393644947,
   "start_distance_m": 39.0,
   "end_distance_m": 44.0,
   "midpoint_distance_m": 41.5,
   "start_elevation_m": 1351.988631245111,
   "end_elevation_m": 1352.3091608647933,
   "start_xy": [
    2708758.880820392,
    1170089.594197579
   ],
   "end_xy": [
    2708762.8412457686,
    1170092.4679461673
   ]
  },
  "min_10m": {
   "gradient_pct": 6.993395771737596,
   "start_distance_m": 35.0,
   "end_distance_m": 45.0,
   "midpoint_distance_m": 40.0,
   "start_elevation_m": 1351.6836757134479,
   "end_elevation_m": 1352.3830152906216,
   "start_xy": [
    2708754.9843314565,
    1170089.8921977289
   ],
   "end_xy": [
    2708763.360812759,
    1170093.3199520581
   ]
  },
  "min_20m": {
   "gradient_pct": 7.579823517689874,
   "start_distance_m": 1547.0,
   "end_distance_m": 1567.0,
   "midpoint_distance_m": 1557.0,
   "start_elevation_m": 1540.536413409637,
   "end_elevation_m": 1542.0523781131749,
   "start_xy": [
    2709462.2357271556,
    1169818.8186255535
   ],
   "end_xy": [
    2709446.270763379,
    1169830.7435491527
   ]
  },
  "min_25m": {
   "gradient_pct": 7.940596841851402,
   "start_distance_m": 1547.0,
   "end_distance_m": 1572.0,
   "midpoint_distance_m": 1559.5,
   "start_elevation_m": 1540.536413409637,
   "end_elevation_m": 1542.5215626200998,
   "start_xy": [
    2709462.2357271556,
    1169818.8186255535
   ],
   "end_xy": [
    2709442.36848841,
    1169833.8696086458
   ]
  },
  "min_50m": {
   "gradient_pct": 9.25505904551801,
   "start_distance_m": 4.0,
   "end_distance_m": 54.0,
   "midpoint_distance_m": 29.0,
   "start_elevation_m": 1348.5050238159838,
   "end_elevation_m": 1353.1325533387428,
   "start_xy": [
    2708737.876578242,
    1170113.3087247915
   ],
   "end_xy": [
    2708767.3905435693,
    1170101.366109358
   ]
  },
  "min_100m": {
   "gradient_pct": 10.070597855876258,
   "start_distance_m": 1605.0,
   "end_distance_m": 1705.0,
   "midpoint_distance_m": 1655.0,
   "start_elevation_m": 1546.4135772009981,
   "end_elevation_m": 1556.4841750568744,
   "start_xy": [
    2709413.9525495716,
    1169840.4211234464
   ],
   "end_xy": [
    2709321.4894860187,
    1169808.3124843356
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.762347431278158,
   "start_distance_m": 393.0,
   "end_distance_m": 395.0,
   "midpoint_distance_m": 394.0,
   "start_elevation_m": 1393.6423868597847,
   "end_elevation_m": 1393.9976338084102,
   "start_xy": [
    2709003.8030741476,
    1170316.4352557752
   ],
   "end_xy": [
    2709005.774309769,
    1170316.7397124686
   ]
  },
  "max_3m": {
   "gradient_pct": 17.497286702359816,
   "start_distance_m": 392.0,
   "end_distance_m": 395.0,
   "midpoint_distance_m": 393.5,
   "start_elevation_m": 1393.4727152073394,
   "end_elevation_m": 1393.9976338084102,
   "start_xy": [
    2709002.8473926275,
    1170316.142138834
   ],
   "end_xy": [
    2709005.774309769,
    1170316.7397124686
   ]
  }
 },
 "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_2708-1169_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2708-1170_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2709-1169_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2023_2709-1170_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T06:57:22+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": [
   "2708-1169",
   "2708-1170",
   "2709-1169",
   "2709-1170"
  ],
  "route_base_cut_m": 60.2,
  "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": "Medel (Lucmagn)",
  "county": "Graub\u00fcnden/Grischun/Grigioni",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}