{
 "ocl_version": "0.1.0",
 "name": "Etterholenweg",
 "slug": "etterholenweg",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.296858582477853,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 439.0,
   "end_distance_m": 441.0,
   "start_elevation_m": 627.9317245414962,
   "end_elevation_m": 628.3976617131458,
   "min_gradient_pct": 0.8743177287215076
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.288146422305545,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 438.0,
   "end_distance_m": 441.0,
   "start_elevation_m": 627.6990173204766,
   "end_elevation_m": 628.3976617131458,
   "min_gradient_pct": 0.16420293479010675
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.178262021331193,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 436.0,
   "end_distance_m": 441.0,
   "start_elevation_m": 627.2387486120792,
   "end_elevation_m": 628.3976617131458,
   "min_gradient_pct": 1.507383703335563
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.998524631550254,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 431.0,
   "end_distance_m": 441.0,
   "start_elevation_m": 626.1978092499908,
   "end_elevation_m": 628.3976617131458,
   "min_gradient_pct": 3.926296108390943
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.183921363447098,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 424.0,
   "end_distance_m": 444.0,
   "start_elevation_m": 624.753140372798,
   "end_elevation_m": 628.9899246454875,
   "min_gradient_pct": 5.087191207394994
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.496925590457067,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 421.0,
   "end_distance_m": 446.0,
   "start_elevation_m": 624.209538918157,
   "end_elevation_m": 629.3337703157713,
   "min_gradient_pct": 5.433359111193113
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 18.34870470565579,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 396.0,
   "end_distance_m": 446.0,
   "start_elevation_m": 620.1594179629434,
   "end_elevation_m": 629.3337703157713,
   "min_gradient_pct": 6.657534133489207
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.77295400103219,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 345.0,
   "end_distance_m": 445.0,
   "start_elevation_m": 612.4003920921289,
   "end_elevation_m": 629.1733460931611,
   "min_gradient_pct": 9.024132798408004
  }
 ],
 "shape": {
  "ascent_concentration": 0.325,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 314.0,
  "shape_class": "sustained"
 },
 "length_m": 530.4000000000128,
 "start_elevation_m": 569.0711997695254,
 "end_elevation_m": 635.8989236948458,
 "endpoint_gain_m": 66.82772392532047,
 "overall_gradient_pct": 12.599495461032966,
 "accumulated_ascent_m": 66.87421365040166,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.178262021331193,
   "start_distance_m": 436.0,
   "end_distance_m": 441.0,
   "midpoint_distance_m": 438.5,
   "start_elevation_m": 627.2387486120792,
   "end_elevation_m": 628.3976617131458,
   "start_xy": [
    2605955.650484256,
    1201499.098406584
   ],
   "end_xy": [
    2605958.363445192,
    1201503.2983873824
   ]
  },
  "max_10m": {
   "gradient_pct": 21.998524631550254,
   "start_distance_m": 431.0,
   "end_distance_m": 441.0,
   "midpoint_distance_m": 436.0,
   "start_elevation_m": 626.1978092499908,
   "end_elevation_m": 628.3976617131458,
   "start_xy": [
    2605953.048378448,
    1201494.829445482
   ],
   "end_xy": [
    2605958.363445192,
    1201503.2983873824
   ]
  },
  "max_20m": {
   "gradient_pct": 21.183921363447098,
   "start_distance_m": 424.0,
   "end_distance_m": 444.0,
   "midpoint_distance_m": 434.0,
   "start_elevation_m": 624.753140372798,
   "end_elevation_m": 628.9899246454875,
   "start_xy": [
    2605949.4636855735,
    1201488.816960757
   ],
   "end_xy": [
    2605959.990687457,
    1201505.8187209282
   ]
  },
  "max_25m": {
   "gradient_pct": 20.496925590457067,
   "start_distance_m": 421.0,
   "end_distance_m": 446.0,
   "midpoint_distance_m": 433.5,
   "start_elevation_m": 624.209538918157,
   "end_elevation_m": 629.3337703157713,
   "start_xy": [
    2605947.9265273693,
    1201486.2406953326
   ],
   "end_xy": [
    2605961.077137383,
    1201507.4978799147
   ]
  },
  "max_50m": {
   "gradient_pct": 18.34870470565579,
   "start_distance_m": 396.0,
   "end_distance_m": 446.0,
   "midpoint_distance_m": 421.0,
   "start_elevation_m": 620.1594179629434,
   "end_elevation_m": 629.3337703157713,
   "start_xy": [
    2605938.665810142,
    1201463.1238036873
   ],
   "end_xy": [
    2605961.077137383,
    1201507.4978799147
   ]
  },
  "max_100m": {
   "gradient_pct": 16.77295400103219,
   "start_distance_m": 345.0,
   "end_distance_m": 445.0,
   "midpoint_distance_m": 395.0,
   "start_elevation_m": 612.4003920921289,
   "end_elevation_m": 629.1733460931611,
   "start_xy": [
    2605935.4860173697,
    1201412.2983698028
   ],
   "end_xy": [
    2605960.5335655943,
    1201506.6585324116
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.507383703335563,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 569.0711997695254,
   "end_elevation_m": 569.1465689546922,
   "start_xy": [
    2605948.214,
    1201070.904
   ],
   "end_xy": [
    2605950.1479349695,
    1201075.5148450688
   ]
  },
  "min_10m": {
   "gradient_pct": 3.926296108390943,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 569.0711997695254,
   "end_elevation_m": 569.4638293803645,
   "start_xy": [
    2605948.214,
    1201070.904
   ],
   "end_xy": [
    2605951.7938688355,
    1201080.21429346
   ]
  },
  "min_20m": {
   "gradient_pct": 5.087191207394994,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 569.0711997695254,
   "end_elevation_m": 570.0886380110044,
   "start_xy": [
    2605948.214,
    1201070.904
   ],
   "end_xy": [
    2605953.1196071655,
    1201090.120502545
   ]
  },
  "min_25m": {
   "gradient_pct": 5.433359111193113,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 569.0711997695254,
   "end_elevation_m": 570.4295395473237,
   "start_xy": [
    2605948.214,
    1201070.904
   ],
   "end_xy": [
    2605953.5835538018,
    1201095.0989310376
   ]
  },
  "min_50m": {
   "gradient_pct": 6.657534133489207,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 569.0711997695254,
   "end_elevation_m": 572.39996683627,
   "start_xy": [
    2605948.214,
    1201070.904
   ],
   "end_xy": [
    2605955.9035646557,
    1201119.991047283
   ]
  },
  "min_100m": {
   "gradient_pct": 9.024132798408004,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 569.0711997695254,
   "end_elevation_m": 578.0953325679334,
   "start_xy": [
    2605948.214,
    1201070.904
   ],
   "end_xy": [
    2605953.280600429,
    1201169.3725764428
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.296858582477853,
   "start_distance_m": 439.0,
   "end_distance_m": 441.0,
   "midpoint_distance_m": 440.0,
   "start_elevation_m": 627.9317245414962,
   "end_elevation_m": 628.3976617131458,
   "start_xy": [
    2605957.278394458,
    1201501.6183087537
   ],
   "end_xy": [
    2605958.363445192,
    1201503.2983873824
   ]
  },
  "max_3m": {
   "gradient_pct": 23.288146422305545,
   "start_distance_m": 438.0,
   "end_distance_m": 441.0,
   "midpoint_distance_m": 439.5,
   "start_elevation_m": 627.6990173204766,
   "end_elevation_m": 628.3976617131458,
   "start_xy": [
    2605956.7355350563,
    1201500.77848517
   ],
   "end_xy": [
    2605958.363445192,
    1201503.2983873824
   ]
  }
 },
 "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_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_2025_2605-1201_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2606-1201_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2607-1201_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T00:44:09+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-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": [
   "2605-1201",
   "2606-1201",
   "2607-1201"
  ],
  "route_cut_m": 530.4,
  "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": "Stettlen",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}