{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.1385, 8.9907)",
 "slug": "discovered-lane-47-1385-8-9907",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 27.540639886763074,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 7182.0,
   "end_distance_m": 7184.0,
   "start_elevation_m": 1326.8883131124583,
   "end_elevation_m": 1327.4391259101935,
   "min_gradient_pct": -9.40178484420926
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 26.710463538969027,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 7161.0,
   "end_distance_m": 7164.0,
   "start_elevation_m": 1321.6682876377588,
   "end_elevation_m": 1322.4696015439279,
   "min_gradient_pct": -8.865873993840978
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 25.993080914895472,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 6877.0,
   "end_distance_m": 6882.0,
   "start_elevation_m": 1279.4290775082022,
   "end_elevation_m": 1280.728731553947,
   "min_gradient_pct": -7.328653158267571
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.416840162192784,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7180.0,
   "end_distance_m": 7190.0,
   "start_elevation_m": 1326.3796054711752,
   "end_elevation_m": 1328.9212894873945,
   "min_gradient_pct": -4.621737896873128
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.951902571305027,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7163.0,
   "end_distance_m": 7183.0,
   "start_elevation_m": 1322.1886272124787,
   "end_elevation_m": 1327.1790077267397,
   "min_gradient_pct": -4.045021883214304
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.020868238493676,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7159.0,
   "end_distance_m": 7184.0,
   "start_elevation_m": 1321.18390885057,
   "end_elevation_m": 1327.4391259101935,
   "min_gradient_pct": -3.9252886027452405
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.103779792202204,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7153.0,
   "end_distance_m": 7203.0,
   "start_elevation_m": 1319.8389088631757,
   "end_elevation_m": 1331.8907987592768,
   "min_gradient_pct": -3.7088193568529277
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.125769485016463,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 7150.0,
   "end_distance_m": 7250.0,
   "start_elevation_m": 1319.2821087037921,
   "end_elevation_m": 1341.4078781888086,
   "min_gradient_pct": -3.554928237337208
  }
 ],
 "shape": {
  "ascent_concentration": 0.341,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 583.0,
  "shape_class": "sustained"
 },
 "length_m": 7292.700908979482,
 "start_elevation_m": 745.5241813964841,
 "end_elevation_m": 1344.7192119433682,
 "endpoint_gain_m": 599.1950305468841,
 "overall_gradient_pct": 8.216366446745361,
 "accumulated_ascent_m": 623.4603341934117,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 25.993080914895472,
   "start_distance_m": 6877.0,
   "end_distance_m": 6882.0,
   "midpoint_distance_m": 6879.5,
   "start_elevation_m": 1279.4290775082022,
   "end_elevation_m": 1280.728731553947,
   "start_xy": [
    2717474.7065724633,
    1221702.8466884636
   ],
   "end_xy": [
    2717470.9669794645,
    1221699.5277361886
   ]
  },
  "max_10m": {
   "gradient_pct": 25.416840162192784,
   "start_distance_m": 7180.0,
   "end_distance_m": 7190.0,
   "midpoint_distance_m": 7185.0,
   "start_elevation_m": 1326.3796054711752,
   "end_elevation_m": 1328.9212894873945,
   "start_xy": [
    2717276.200743239,
    1221487.285724981
   ],
   "end_xy": [
    2717269.45967418,
    1221479.8993871293
   ]
  },
  "max_20m": {
   "gradient_pct": 24.951902571305027,
   "start_distance_m": 7163.0,
   "end_distance_m": 7183.0,
   "midpoint_distance_m": 7173.0,
   "start_elevation_m": 1322.1886272124787,
   "end_elevation_m": 1327.1790077267397,
   "start_xy": [
    2717287.6597951967,
    1221499.8431979842
   ],
   "end_xy": [
    2717274.1785575994,
    1221485.0697003333
   ]
  },
  "max_25m": {
   "gradient_pct": 25.020868238493676,
   "start_distance_m": 7159.0,
   "end_distance_m": 7184.0,
   "midpoint_distance_m": 7171.5,
   "start_elevation_m": 1321.18390885057,
   "end_elevation_m": 1327.4391259101935,
   "start_xy": [
    2717290.4364345237,
    1221502.716700081
   ],
   "end_xy": [
    2717273.5044957194,
    1221484.3310254507
   ]
  },
  "max_50m": {
   "gradient_pct": 24.103779792202204,
   "start_distance_m": 7153.0,
   "end_distance_m": 7203.0,
   "midpoint_distance_m": 7178.0,
   "start_elevation_m": 1319.8389088631757,
   "end_elevation_m": 1331.8907987592768,
   "start_xy": [
    2717294.90859007,
    1221506.716678177
   ],
   "end_xy": [
    2717260.69457965,
    1221470.2987039303
   ]
  },
  "max_100m": {
   "gradient_pct": 22.125769485016463,
   "start_distance_m": 7150.0,
   "end_distance_m": 7250.0,
   "midpoint_distance_m": 7200.0,
   "start_elevation_m": 1319.2821087037921,
   "end_elevation_m": 1341.4078781888086,
   "start_xy": [
    2717297.1446678434,
    1221508.7166672251
   ],
   "end_xy": [
    2717220.350443343,
    1221453.05136345
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.328653158267571,
   "start_distance_m": 112.0,
   "end_distance_m": 117.0,
   "midpoint_distance_m": 114.5,
   "start_elevation_m": 758.8421540882903,
   "end_elevation_m": 758.4757214303769,
   "start_xy": [
    2717833.465562722,
    1223744.8998064906
   ],
   "end_xy": [
    2717828.838605338,
    1223743.4502430952
   ]
  },
  "min_10m": {
   "gradient_pct": -4.621737896873128,
   "start_distance_m": 5437.0,
   "end_distance_m": 5447.0,
   "midpoint_distance_m": 5442.0,
   "start_elevation_m": 1202.4367269383565,
   "end_elevation_m": 1201.9745531486692,
   "start_xy": [
    2716935.357374446,
    1222032.9793511494
   ],
   "end_xy": [
    2716941.5823610057,
    1222025.1993003048
   ]
  },
  "min_20m": {
   "gradient_pct": -4.045021883214304,
   "start_distance_m": 5455.0,
   "end_distance_m": 5475.0,
   "midpoint_distance_m": 5465.0,
   "start_elevation_m": 1201.8125242560607,
   "end_elevation_m": 1201.0035198794178,
   "start_xy": [
    2716945.207197796,
    1222018.0873524589
   ],
   "end_xy": [
    2716949.7014849973,
    1221998.626508761
   ]
  },
  "min_25m": {
   "gradient_pct": -3.9252886027452405,
   "start_distance_m": 5455.0,
   "end_distance_m": 5480.0,
   "midpoint_distance_m": 5467.5,
   "start_elevation_m": 1201.8125242560607,
   "end_elevation_m": 1200.8312021053744,
   "start_xy": [
    2716945.207197796,
    1222018.0873524589
   ],
   "end_xy": [
    2716950.7615094692,
    1221993.74016574
   ]
  },
  "min_50m": {
   "gradient_pct": -3.7088193568529277,
   "start_distance_m": 4110.0,
   "end_distance_m": 4160.0,
   "midpoint_distance_m": 4135.0,
   "start_elevation_m": 1192.1225862212732,
   "end_elevation_m": 1190.2681765428467,
   "start_xy": [
    2717639.8382306877,
    1222937.0042387308
   ],
   "end_xy": [
    2717635.160625206,
    1222888.4234017318
   ]
  },
  "min_100m": {
   "gradient_pct": -3.554928237337208,
   "start_distance_m": 5440.0,
   "end_distance_m": 5540.0,
   "midpoint_distance_m": 5490.0,
   "start_elevation_m": 1202.326941114326,
   "end_elevation_m": 1198.7720128769888,
   "start_xy": [
    2716937.405657505,
    1222030.7874258524
   ],
   "end_xy": [
    2716949.6587852347,
    1221936.3419361066
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 27.540639886763074,
   "start_distance_m": 7182.0,
   "end_distance_m": 7184.0,
   "midpoint_distance_m": 7183.0,
   "start_elevation_m": 1326.8883131124583,
   "end_elevation_m": 1327.4391259101935,
   "start_xy": [
    2717274.8526194794,
    1221485.8083752159
   ],
   "end_xy": [
    2717273.5044957194,
    1221484.3310254507
   ]
  },
  "max_3m": {
   "gradient_pct": 26.710463538969027,
   "start_distance_m": 7161.0,
   "end_distance_m": 7164.0,
   "midpoint_distance_m": 7162.5,
   "start_elevation_m": 1321.6682876377588,
   "end_elevation_m": 1322.4696015439279,
   "start_xy": [
    2717289.0079189567,
    1221501.3205477493
   ],
   "end_xy": [
    2717286.9857333167,
    1221499.1045231018
   ]
  }
 },
 "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_2716-1221_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2716-1222_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2716-1223_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2717-1221_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2717-1222_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2717-1223_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2020_2718-1223_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T03:27:19+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": [
   "2716-1221",
   "2716-1222",
   "2716-1223",
   "2717-1221",
   "2717-1222",
   "2717-1223",
   "2718-1223"
  ],
  "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": "Glarus Nord",
  "county": "Glarus",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}