{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7606, 7.3364)",
 "slug": "discovered-lane-46-7606-7-3364",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 28.878396985169275,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1315.0,
   "end_distance_m": 1317.0,
   "start_elevation_m": 1100.187343584826,
   "end_elevation_m": 1100.7649115245295,
   "min_gradient_pct": -25.074132487003453
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 28.130228770366255,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1315.0,
   "end_distance_m": 1318.0,
   "start_elevation_m": 1100.187343584826,
   "end_elevation_m": 1101.031250447937,
   "min_gradient_pct": -24.045603959226963
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 27.796082970739917,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1315.0,
   "end_distance_m": 1320.0,
   "start_elevation_m": 1100.187343584826,
   "end_elevation_m": 1101.577147733363,
   "min_gradient_pct": -21.153047457323737
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 27.646408604407497,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1310.0,
   "end_distance_m": 1320.0,
   "start_elevation_m": 1098.8125068729223,
   "end_elevation_m": 1101.577147733363,
   "min_gradient_pct": -17.32182290314995
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 27.179111715544195,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1311.0,
   "end_distance_m": 1331.0,
   "start_elevation_m": 1099.0880594837438,
   "end_elevation_m": 1104.5238818268526,
   "min_gradient_pct": -14.791174870899795
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 26.87551751054616,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1306.0,
   "end_distance_m": 1331.0,
   "start_elevation_m": 1097.805002449216,
   "end_elevation_m": 1104.5238818268526,
   "min_gradient_pct": -13.762975024097159
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.396117614696777,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1283.0,
   "end_distance_m": 1333.0,
   "start_elevation_m": 1092.2974808877418,
   "end_elevation_m": 1104.9955396950902,
   "min_gradient_pct": -3.129138822596815
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.494689292373778,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1249.0,
   "end_distance_m": 1349.0,
   "start_elevation_m": 1085.5118744153579,
   "end_elevation_m": 1108.0065637077316,
   "min_gradient_pct": 3.0314667736170122
  }
 ],
 "shape": {
  "ascent_concentration": 0.325,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 185.0,
  "shape_class": "sustained"
 },
 "length_m": 1407.051165466482,
 "start_elevation_m": 973.7825964184436,
 "end_elevation_m": 1115.8796290307628,
 "endpoint_gain_m": 142.09703261231914,
 "overall_gradient_pct": 10.098924339059801,
 "accumulated_ascent_m": 146.643771132457,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 27.796082970739917,
   "start_distance_m": 1315.0,
   "end_distance_m": 1320.0,
   "midpoint_distance_m": 1317.5,
   "start_elevation_m": 1100.187343584826,
   "end_elevation_m": 1101.577147733363,
   "start_xy": [
    2592503.744116972,
    1179318.2877261413
   ],
   "end_xy": [
    2592506.843299326,
    1179322.211381164
   ]
  },
  "max_10m": {
   "gradient_pct": 27.646408604407497,
   "start_distance_m": 1310.0,
   "end_distance_m": 1320.0,
   "midpoint_distance_m": 1315.0,
   "start_elevation_m": 1098.8125068729223,
   "end_elevation_m": 1101.577147733363,
   "start_xy": [
    2592500.6449346184,
    1179314.3640711186
   ],
   "end_xy": [
    2592506.843299326,
    1179322.211381164
   ]
  },
  "max_20m": {
   "gradient_pct": 27.179111715544195,
   "start_distance_m": 1311.0,
   "end_distance_m": 1331.0,
   "midpoint_distance_m": 1321.0,
   "start_elevation_m": 1099.0880594837438,
   "end_elevation_m": 1104.5238818268526,
   "start_xy": [
    2592501.264771089,
    1179315.148802123
   ],
   "end_xy": [
    2592513.6615005047,
    1179330.8434222138
   ]
  },
  "max_25m": {
   "gradient_pct": 26.87551751054616,
   "start_distance_m": 1306.0,
   "end_distance_m": 1331.0,
   "midpoint_distance_m": 1318.5,
   "start_elevation_m": 1097.805002449216,
   "end_elevation_m": 1104.5238818268526,
   "start_xy": [
    2592498.165588735,
    1179311.2251471004
   ],
   "end_xy": [
    2592513.6615005047,
    1179330.8434222138
   ]
  },
  "max_50m": {
   "gradient_pct": 25.396117614696777,
   "start_distance_m": 1283.0,
   "end_distance_m": 1333.0,
   "midpoint_distance_m": 1308.0,
   "start_elevation_m": 1092.2974808877418,
   "end_elevation_m": 1104.9955396950902,
   "start_xy": [
    2592483.9093499067,
    1179293.176333996
   ],
   "end_xy": [
    2592514.9011734463,
    1179332.4128842228
   ]
  },
  "max_100m": {
   "gradient_pct": 22.494689292373778,
   "start_distance_m": 1249.0,
   "end_distance_m": 1349.0,
   "midpoint_distance_m": 1299.0,
   "start_elevation_m": 1085.5118744153579,
   "end_elevation_m": 1108.0065637077316,
   "start_xy": [
    2592462.118240472,
    1179267.0932128027
   ],
   "end_xy": [
    2592524.818556979,
    1179344.9685802956
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -21.153047457323737,
   "start_distance_m": 9.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 11.5,
   "start_elevation_m": 972.5954734710997,
   "end_elevation_m": 971.5378210982335,
   "start_xy": [
    2591862.8303080597,
    1178744.307118986
   ],
   "end_xy": [
    2591860.673812537,
    1178739.796073978
   ]
  },
  "min_10m": {
   "gradient_pct": -17.32182290314995,
   "start_distance_m": 4.0,
   "end_distance_m": 14.0,
   "midpoint_distance_m": 9.0,
   "start_elevation_m": 973.2700033885485,
   "end_elevation_m": 971.5378210982335,
   "start_xy": [
    2591864.986803582,
    1178748.8181639938
   ],
   "end_xy": [
    2591860.673812537,
    1178739.796073978
   ]
  },
  "min_20m": {
   "gradient_pct": -14.791174870899795,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 973.7825964184436,
   "end_elevation_m": 970.8243614442637,
   "start_xy": [
    2591866.712,
    1178752.427
   ],
   "end_xy": [
    2591859.710063352,
    1178734.3762353414
   ]
  },
  "min_25m": {
   "gradient_pct": -13.762975024097159,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 973.7825964184436,
   "end_elevation_m": 970.3418526624193,
   "start_xy": [
    2591866.712,
    1178752.427
   ],
   "end_xy": [
    2591861.8299088725,
    1178729.8478520792
   ]
  },
  "min_50m": {
   "gradient_pct": -3.129138822596815,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 973.7825964184436,
   "end_elevation_m": 972.2180270071452,
   "start_xy": [
    2591866.712,
    1178752.427
   ],
   "end_xy": [
    2591884.5128399176,
    1178723.1503988837
   ]
  },
  "min_100m": {
   "gradient_pct": 3.0314667736170122,
   "start_distance_m": 905.0,
   "end_distance_m": 1005.0,
   "midpoint_distance_m": 955.0,
   "start_elevation_m": 1062.2007422853544,
   "end_elevation_m": 1065.2322090589714,
   "start_xy": [
    2592237.352730663,
    1179011.9914656426
   ],
   "end_xy": [
    2592298.284572777,
    1179091.2839961748
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 28.878396985169275,
   "start_distance_m": 1315.0,
   "end_distance_m": 1317.0,
   "midpoint_distance_m": 1316.0,
   "start_elevation_m": 1100.187343584826,
   "end_elevation_m": 1100.7649115245295,
   "start_xy": [
    2592503.744116972,
    1179318.2877261413
   ],
   "end_xy": [
    2592504.983789914,
    1179319.8571881503
   ]
  },
  "max_3m": {
   "gradient_pct": 28.130228770366255,
   "start_distance_m": 1315.0,
   "end_distance_m": 1318.0,
   "midpoint_distance_m": 1316.5,
   "start_elevation_m": 1100.187343584826,
   "end_elevation_m": 1101.031250447937,
   "start_xy": [
    2592503.744116972,
    1179318.2877261413
   ],
   "end_xy": [
    2592505.6036263844,
    1179320.641919155
   ]
  }
 },
 "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": [
   "descends_at_start",
   "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_2591-1178_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2591-1179_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2592-1178_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2592-1179_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:11:05+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-run6-260910",
  "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": [
   "2591-1178",
   "2591-1179",
   "2592-1178",
   "2592-1179"
  ],
  "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": "Guggisberg",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}