{
 "ocl_version": "0.1.0",
 "name": "R\u00fcteli-Friessen-Amsler",
 "slug": "ruteli-friessen-amsler",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 32.43540973786594,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1927.0,
   "end_distance_m": 1929.0,
   "start_elevation_m": 1241.492846189855,
   "end_elevation_m": 1242.1415543846124,
   "min_gradient_pct": -6.358697984171613
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.635249312944325,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1927.0,
   "end_distance_m": 1930.0,
   "start_elevation_m": 1241.492846189855,
   "end_elevation_m": 1242.4419036692434,
   "min_gradient_pct": -6.046652463980233
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.323038534265834,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1927.0,
   "end_distance_m": 1932.0,
   "start_elevation_m": 1241.492846189855,
   "end_elevation_m": 1243.0089981165684,
   "min_gradient_pct": -5.360028023683299
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 29.850586134762125,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1925.0,
   "end_distance_m": 1935.0,
   "start_elevation_m": 1240.9488988527783,
   "end_elevation_m": 1243.9339574662545,
   "min_gradient_pct": -4.689216386163935
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.93697345720807,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1917.0,
   "end_distance_m": 1937.0,
   "start_elevation_m": 1239.0140431586833,
   "end_elevation_m": 1244.401437850125,
   "min_gradient_pct": -2.1596819609760587
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.851587240349545,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1916.0,
   "end_distance_m": 1941.0,
   "start_elevation_m": 1238.8164976582964,
   "end_elevation_m": 1245.2793944683838,
   "min_gradient_pct": -0.8659557175096779
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 16.858251078928788,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1891.0,
   "end_distance_m": 1941.0,
   "start_elevation_m": 1236.8502689289194,
   "end_elevation_m": 1245.2793944683838,
   "min_gradient_pct": 4.0641366679647035
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.053651076205824,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1557.0,
   "end_distance_m": 1657.0,
   "start_elevation_m": 1197.0715121439587,
   "end_elevation_m": 1210.1251632201645,
   "min_gradient_pct": 4.496743766356303
  }
 ],
 "shape": {
  "ascent_concentration": 0.291,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 746.0,
  "shape_class": "sustained"
 },
 "length_m": 1941.0999999998987,
 "start_elevation_m": 1031.5683998121694,
 "end_elevation_m": 1245.3025044161338,
 "endpoint_gain_m": 213.7341046039644,
 "overall_gradient_pct": 11.01097854845065,
 "accumulated_ascent_m": 214.47902560531884,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.323038534265834,
   "start_distance_m": 1927.0,
   "end_distance_m": 1932.0,
   "midpoint_distance_m": 1929.5,
   "start_elevation_m": 1241.492846189855,
   "end_elevation_m": 1243.0089981165684,
   "start_xy": [
    2735843.3807824017,
    1232806.4192886548
   ],
   "end_xy": [
    2735845.3027231107,
    1232801.8034311687
   ]
  },
  "max_10m": {
   "gradient_pct": 29.850586134762125,
   "start_distance_m": 1925.0,
   "end_distance_m": 1935.0,
   "midpoint_distance_m": 1930.0,
   "start_elevation_m": 1240.9488988527783,
   "end_elevation_m": 1243.9339574662545,
   "start_xy": [
    2735842.6120792087,
    1232808.2656620527
   ],
   "end_xy": [
    2735846.5217580223,
    1232799.0624992729
   ]
  },
  "max_20m": {
   "gradient_pct": 26.93697345720807,
   "start_distance_m": 1917.0,
   "end_distance_m": 1937.0,
   "midpoint_distance_m": 1927.0,
   "start_elevation_m": 1239.0140431586833,
   "end_elevation_m": 1244.401437850125,
   "start_xy": [
    2735839.5377534083,
    1232815.6513583437
   ],
   "end_xy": [
    2735847.3487610966,
    1232797.2414924996
   ]
  },
  "max_25m": {
   "gradient_pct": 25.851587240349545,
   "start_distance_m": 1916.0,
   "end_distance_m": 1941.0,
   "midpoint_distance_m": 1928.5,
   "start_elevation_m": 1238.8164976582964,
   "end_elevation_m": 1245.2793944683838,
   "start_xy": [
    2735839.153635274,
    1232816.574642297
   ],
   "end_xy": [
    2735849.0023131496,
    1232793.5992730279
   ]
  },
  "max_50m": {
   "gradient_pct": 16.858251078928788,
   "start_distance_m": 1891.0,
   "end_distance_m": 1941.0,
   "midpoint_distance_m": 1916.0,
   "start_elevation_m": 1236.8502689289194,
   "end_elevation_m": 1245.2793944683838,
   "start_xy": [
    2735818.9675906645,
    1232827.0791158532
   ],
   "end_xy": [
    2735849.0023131496,
    1232793.5992730279
   ]
  },
  "max_100m": {
   "gradient_pct": 13.053651076205824,
   "start_distance_m": 1557.0,
   "end_distance_m": 1657.0,
   "midpoint_distance_m": 1607.0,
   "start_elevation_m": 1197.0715121439587,
   "end_elevation_m": 1210.1251632201645,
   "start_xy": [
    2735517.6216856516,
    1232847.3843075102
   ],
   "end_xy": [
    2735615.372277841,
    1232832.9110295346
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -5.360028023683299,
   "start_distance_m": 438.0,
   "end_distance_m": 443.0,
   "midpoint_distance_m": 440.5,
   "start_elevation_m": 1077.563275962556,
   "end_elevation_m": 1077.2952745613718,
   "start_xy": [
    2735241.3446103814,
    1232587.9575576063
   ],
   "end_xy": [
    2735241.490867933,
    1232592.7716709399
   ]
  },
  "min_10m": {
   "gradient_pct": -4.689216386163935,
   "start_distance_m": 434.0,
   "end_distance_m": 444.0,
   "midpoint_distance_m": 439.0,
   "start_elevation_m": 1077.7267155936916,
   "end_elevation_m": 1077.2577939550752,
   "start_xy": [
    2735239.1493706135,
    1232584.634317935
   ],
   "end_xy": [
    2735241.3214081614,
    1232593.7565708752
   ]
  },
  "min_20m": {
   "gradient_pct": -2.1596819609760587,
   "start_distance_m": 427.0,
   "end_distance_m": 447.0,
   "midpoint_distance_m": 437.0,
   "start_elevation_m": 1077.7622146969823,
   "end_elevation_m": 1077.330278304787,
   "start_xy": [
    2735233.243859294,
    1232580.876002892
   ],
   "end_xy": [
    2735240.103710328,
    1232596.4880221926
   ]
  },
  "min_25m": {
   "gradient_pct": -0.8659557175096779,
   "start_distance_m": 422.0,
   "end_distance_m": 447.0,
   "midpoint_distance_m": 434.5,
   "start_elevation_m": 1077.5467672341645,
   "end_elevation_m": 1077.330278304787,
   "start_xy": [
    2735229.0256317332,
    1232578.1915001294
   ],
   "end_xy": [
    2735240.103710328,
    1232596.4880221926
   ]
  },
  "min_50m": {
   "gradient_pct": 4.0641366679647035,
   "start_distance_m": 416.0,
   "end_distance_m": 466.0,
   "midpoint_distance_m": 441.0,
   "start_elevation_m": 1077.2037418481075,
   "end_elevation_m": 1079.2358101820898,
   "start_xy": [
    2735223.9635466468,
    1232574.9704300705
   ],
   "end_xy": [
    2735225.8951774756,
    1232607.085132917
   ]
  },
  "min_100m": {
   "gradient_pct": 4.496743766356303,
   "start_distance_m": 543.0,
   "end_distance_m": 643.0,
   "midpoint_distance_m": 593.0,
   "start_elevation_m": 1085.2853714869684,
   "end_elevation_m": 1089.7821152533247,
   "start_xy": [
    2735168.797012408,
    1232652.0621786765
   ],
   "end_xy": [
    2735149.9885128234,
    1232742.9669540182
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 32.43540973786594,
   "start_distance_m": 1927.0,
   "end_distance_m": 1929.0,
   "midpoint_distance_m": 1928.0,
   "start_elevation_m": 1241.492846189855,
   "end_elevation_m": 1242.1415543846124,
   "start_xy": [
    2735843.3807824017,
    1232806.4192886548
   ],
   "end_xy": [
    2735844.1495164176,
    1232804.5729279853
   ]
  },
  "max_3m": {
   "gradient_pct": 31.635249312944325,
   "start_distance_m": 1927.0,
   "end_distance_m": 1930.0,
   "midpoint_distance_m": 1928.5,
   "start_elevation_m": 1241.492846189855,
   "end_elevation_m": 1242.4419036692434,
   "start_xy": [
    2735843.3807824017,
    1232806.4192886548
   ],
   "end_xy": [
    2735844.5336345523,
    1232803.649644032
   ]
  }
 },
 "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_2019_2734-1232_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2734-1233_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2735-1232_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2735-1233_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2736-1232_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T00:59:58+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": [
   "2734-1232",
   "2734-1233",
   "2735-1232",
   "2735-1233",
   "2736-1232"
  ],
  "route_base_cut_m": 470.2,
  "route_cut_m": 1941.1,
  "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": "Nesslau",
  "county": "St. Gallen",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}