{
 "ocl_version": "0.1.0",
 "name": "Styg",
 "slug": "styg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 26.42272114235311,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 191.0,
   "end_distance_m": 193.0,
   "start_elevation_m": 707.4406206984688,
   "end_elevation_m": 707.9690751213159,
   "min_gradient_pct": -7.752462228359036
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.16038243559918,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 176.0,
   "end_distance_m": 179.0,
   "start_elevation_m": 704.6830506922413,
   "end_elevation_m": 705.4678621653093,
   "min_gradient_pct": -4.52558428504138
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.97318917144048,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 175.0,
   "end_distance_m": 180.0,
   "start_elevation_m": 704.4885985482211,
   "end_elevation_m": 705.6872580067932,
   "min_gradient_pct": -2.704731838562111
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.47474273729722,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 157.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 700.7794108506798,
   "end_elevation_m": 703.0268851244095,
   "min_gradient_pct": -1.3649191489400891
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.65477169498672,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 148.0,
   "end_distance_m": 168.0,
   "start_elevation_m": 698.915835742147,
   "end_elevation_m": 703.2467900811444,
   "min_gradient_pct": 1.553912667348527
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.381640089099164,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 120.0,
   "end_distance_m": 145.0,
   "start_elevation_m": 692.9737087559752,
   "end_elevation_m": 698.31911877825,
   "min_gradient_pct": 2.1785176105031496
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 21.31361049135512,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 117.0,
   "end_distance_m": 167.0,
   "start_elevation_m": 692.370079878732,
   "end_elevation_m": 703.0268851244095,
   "min_gradient_pct": 2.8597582586940007
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 20.350009279888013,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 97.0,
   "end_distance_m": 197.0,
   "start_elevation_m": 688.4673663479566,
   "end_elevation_m": 708.8173756278446,
   "min_gradient_pct": 5.43746893828677
  }
 ],
 "shape": {
  "ascent_concentration": 0.426,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 265.0,
  "shape_class": "sustained"
 },
 "length_m": 556.600577939629,
 "start_elevation_m": 677.2938159277298,
 "end_elevation_m": 741.6493230761595,
 "endpoint_gain_m": 64.35550714842964,
 "overall_gradient_pct": 11.562242243199734,
 "accumulated_ascent_m": 64.86812174227464,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.97318917144048,
   "start_distance_m": 175.0,
   "end_distance_m": 180.0,
   "midpoint_distance_m": 177.5,
   "start_elevation_m": 704.4885985482211,
   "end_elevation_m": 705.6872580067932,
   "start_xy": [
    2617533.275484708,
    1169823.0317734343
   ],
   "end_xy": [
    2617532.979582874,
    1169818.0446048107
   ]
  },
  "max_10m": {
   "gradient_pct": 22.47474273729722,
   "start_distance_m": 157.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 162.0,
   "start_elevation_m": 700.7794108506798,
   "end_elevation_m": 703.0268851244095,
   "start_xy": [
    2617533.9441845617,
    1169841.0016113354
   ],
   "end_xy": [
    2617533.942127654,
    1169831.0016115468
   ]
  },
  "max_20m": {
   "gradient_pct": 21.65477169498672,
   "start_distance_m": 148.0,
   "end_distance_m": 168.0,
   "midpoint_distance_m": 158.0,
   "start_elevation_m": 698.915835742147,
   "end_elevation_m": 703.2467900811444,
   "start_xy": [
    2617534.4811124383,
    1169849.9657101014
   ],
   "end_xy": [
    2617533.907733177,
    1169830.0031622397
   ]
  },
  "max_25m": {
   "gradient_pct": 21.381640089099164,
   "start_distance_m": 120.0,
   "end_distance_m": 145.0,
   "midpoint_distance_m": 132.5,
   "start_elevation_m": 692.9737087559752,
   "end_elevation_m": 698.31911877825,
   "start_xy": [
    2617556.408058035,
    1169865.347137452
   ],
   "end_xy": [
    2617535.380264015,
    1169852.8149392416
   ]
  },
  "max_50m": {
   "gradient_pct": 21.31361049135512,
   "start_distance_m": 117.0,
   "end_distance_m": 167.0,
   "midpoint_distance_m": 142.0,
   "start_elevation_m": 692.370079878732,
   "end_elevation_m": 703.0268851244095,
   "start_xy": [
    2617559.035477543,
    1169866.787074501
   ],
   "end_xy": [
    2617533.942127654,
    1169831.0016115468
   ]
  },
  "max_100m": {
   "gradient_pct": 20.350009279888013,
   "start_distance_m": 97.0,
   "end_distance_m": 197.0,
   "midpoint_distance_m": 147.0,
   "start_elevation_m": 688.4673663479566,
   "end_elevation_m": 708.8173756278446,
   "start_xy": [
    2617560.03669512,
    1169883.5200822016
   ],
   "end_xy": [
    2617536.7612432307,
    1169801.7201634862
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.704731838562111,
   "start_distance_m": 546.0,
   "end_distance_m": 551.0,
   "midpoint_distance_m": 548.5,
   "start_elevation_m": 741.7669048943103,
   "end_elevation_m": 741.6316683023822,
   "start_xy": [
    2617753.5094050975,
    1169553.364786812
   ],
   "end_xy": [
    2617758.082113901,
    1169551.345505782
   ]
  },
  "min_10m": {
   "gradient_pct": -1.3649191489400891,
   "start_distance_m": 546.0,
   "end_distance_m": 556.0,
   "midpoint_distance_m": 551.0,
   "start_elevation_m": 741.7669048943103,
   "end_elevation_m": 741.6304129794163,
   "start_xy": [
    2617753.5094050975,
    1169553.364786812
   ],
   "end_xy": [
    2617762.2397205234,
    1169548.5860272932
   ]
  },
  "min_20m": {
   "gradient_pct": 1.553912667348527,
   "start_distance_m": 472.0,
   "end_distance_m": 492.0,
   "midpoint_distance_m": 482.0,
   "start_elevation_m": 735.3327514878741,
   "end_elevation_m": 735.6435340213438,
   "start_xy": [
    2617699.746039517,
    1169600.9116462898
   ],
   "end_xy": [
    2617712.304563966,
    1169585.3462280647
   ]
  },
  "min_25m": {
   "gradient_pct": 2.1785176105031496,
   "start_distance_m": 463.0,
   "end_distance_m": 488.0,
   "midpoint_distance_m": 475.5,
   "start_elevation_m": 734.9400562885705,
   "end_elevation_m": 735.4846856911963,
   "start_xy": [
    2617694.082610679,
    1169607.906328112
   ],
   "end_xy": [
    2617709.7983550467,
    1169588.4637458033
   ]
  },
  "min_50m": {
   "gradient_pct": 2.8597582586940007,
   "start_distance_m": 446.0,
   "end_distance_m": 496.0,
   "midpoint_distance_m": 471.0,
   "start_elevation_m": 734.3967025301336,
   "end_elevation_m": 735.8265816594806,
   "start_xy": [
    2617682.3697566837,
    1169620.1865198102
   ],
   "end_xy": [
    2617714.810772886,
    1169582.228710326
   ]
  },
  "min_100m": {
   "gradient_pct": 5.43746893828677,
   "start_distance_m": 404.0,
   "end_distance_m": 504.0,
   "midpoint_distance_m": 454.0,
   "start_elevation_m": 731.2123013419248,
   "end_elevation_m": 736.6497702802116,
   "start_xy": [
    2617649.467757274,
    1169644.8844171679
   ],
   "end_xy": [
    2617719.823190725,
    1169575.9936748485
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 26.42272114235311,
   "start_distance_m": 191.0,
   "end_distance_m": 193.0,
   "midpoint_distance_m": 192.0,
   "start_elevation_m": 707.4406206984688,
   "end_elevation_m": 707.9690751213159,
   "start_xy": [
    2617534.4902056972,
    1169807.2737558843
   ],
   "end_xy": [
    2617535.2472182084,
    1169805.4225584182
   ]
  },
  "max_3m": {
   "gradient_pct": 26.16038243559918,
   "start_distance_m": 176.0,
   "end_distance_m": 179.0,
   "midpoint_distance_m": 177.5,
   "start_elevation_m": 704.6830506922413,
   "end_elevation_m": 705.4678621653093,
   "start_xy": [
    2617533.1851634984,
    1169822.0358607478
   ],
   "end_xy": [
    2617532.9867484453,
    1169819.0445791376
   ]
  }
 },
 "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": []
 },
 "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_2025_2617-1169_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:43:38+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": [
   "2617-1169"
  ],
  "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": "Spiez",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}