{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.3876, 7.2616)",
 "slug": "discovered-lane-46-3876-7-2616",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.711532535492097,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 999.0,
   "end_distance_m": 1001.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1272.9306681054375,
   "min_gradient_pct": -4.650359851098074
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.49936158584569,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 999.0,
   "end_distance_m": 1002.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1273.161418302303,
   "min_gradient_pct": -4.870367421487269
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.2591933866388,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 999.0,
   "end_distance_m": 1004.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1273.6193971240596,
   "min_gradient_pct": -3.561023335628306
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.601316522536763,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 999.0,
   "end_distance_m": 1009.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1274.7165691069813,
   "min_gradient_pct": 0.9568940238364121
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 22.203868602713328,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 999.0,
   "end_distance_m": 1019.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1276.8972111752703,
   "min_gradient_pct": 2.8179091967183467
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.06414290548946,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 999.0,
   "end_distance_m": 1024.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1277.9724731811,
   "min_gradient_pct": 3.255978206634609
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.182256356255948,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 991.0,
   "end_distance_m": 1041.0,
   "start_elevation_m": 1270.8527422681746,
   "end_elevation_m": 1280.9438704463025,
   "min_gradient_pct": 5.525587194875243
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 16.292249099209357,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 964.0,
   "end_distance_m": 1064.0,
   "start_elevation_m": 1267.2432766488741,
   "end_elevation_m": 1283.5355257480835,
   "min_gradient_pct": 6.797318297832817
  }
 ],
 "shape": {
  "ascent_concentration": 0.318,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 94.0,
  "shape_class": "sustained"
 },
 "length_m": 1067.8680072475934,
 "start_elevation_m": 1177.118243857428,
 "end_elevation_m": 1283.6088524316397,
 "endpoint_gain_m": 106.49060857421159,
 "overall_gradient_pct": 9.972263224617883,
 "accumulated_ascent_m": 106.7625004033348,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.2591933866388,
   "start_distance_m": 999.0,
   "end_distance_m": 1004.0,
   "midpoint_distance_m": 1001.5,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1273.6193971240596,
   "start_xy": [
    2586419.3611414763,
    1137362.458435704
   ],
   "end_xy": [
    2586414.75664718,
    1137364.4074437267
   ]
  },
  "max_10m": {
   "gradient_pct": 22.601316522536763,
   "start_distance_m": 999.0,
   "end_distance_m": 1009.0,
   "midpoint_distance_m": 1004.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1274.7165691069813,
   "start_xy": [
    2586419.3611414763,
    1137362.458435704
   ],
   "end_xy": [
    2586410.0902793254,
    1137366.1963303408
   ]
  },
  "max_20m": {
   "gradient_pct": 22.203868602713328,
   "start_distance_m": 999.0,
   "end_distance_m": 1019.0,
   "midpoint_distance_m": 1009.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1276.8972111752703,
   "start_xy": [
    2586419.3611414763,
    1137362.458435704
   ],
   "end_xy": [
    2586400.6529943417,
    1137369.50354248
   ]
  },
  "max_25m": {
   "gradient_pct": 22.06414290548946,
   "start_distance_m": 999.0,
   "end_distance_m": 1024.0,
   "midpoint_distance_m": 1011.5,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1277.9724731811,
   "start_xy": [
    2586419.3611414763,
    1137362.458435704
   ],
   "end_xy": [
    2586395.93435185,
    1137371.1571485498
   ]
  },
  "max_50m": {
   "gradient_pct": 20.182256356255948,
   "start_distance_m": 991.0,
   "end_distance_m": 1041.0,
   "midpoint_distance_m": 1016.0,
   "start_elevation_m": 1270.8527422681746,
   "end_elevation_m": 1280.9438704463025,
   "start_xy": [
    2586426.728332351,
    1137359.3400228675
   ],
   "end_xy": [
    2586379.784980018,
    1137373.4647013831
   ]
  },
  "max_100m": {
   "gradient_pct": 16.292249099209357,
   "start_distance_m": 964.0,
   "end_distance_m": 1064.0,
   "midpoint_distance_m": 1014.0,
   "start_elevation_m": 1267.2432766488741,
   "end_elevation_m": 1283.5355257480835,
   "start_xy": [
    2586451.5926015526,
    1137348.815379545
   ],
   "end_xy": [
    2586362.748830926,
    1137358.7080392814
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.561023335628306,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 1177.118243857428,
   "end_elevation_m": 1176.9401926906467,
   "start_xy": [
    2586836.126,
    1137349.737
   ],
   "end_xy": [
    2586831.157700705,
    1137350.2991406505
   ]
  },
  "min_10m": {
   "gradient_pct": 0.9568940238364121,
   "start_distance_m": 0.0,
   "end_distance_m": 10.0,
   "midpoint_distance_m": 5.0,
   "start_elevation_m": 1177.118243857428,
   "end_elevation_m": 1177.2139332598117,
   "start_xy": [
    2586836.126,
    1137349.737
   ],
   "end_xy": [
    2586826.2028364977,
    1137350.94292704
   ]
  },
  "min_20m": {
   "gradient_pct": 2.8179091967183467,
   "start_distance_m": 755.0,
   "end_distance_m": 775.0,
   "midpoint_distance_m": 765.0,
   "start_elevation_m": 1247.4501799403447,
   "end_elevation_m": 1248.0137617796884,
   "start_xy": [
    2586520.845308708,
    1137529.433667665
   ],
   "end_xy": [
    2586512.3527514073,
    1137511.44217379
   ]
  },
  "min_25m": {
   "gradient_pct": 3.255978206634609,
   "start_distance_m": 752.0,
   "end_distance_m": 777.0,
   "midpoint_distance_m": 764.5,
   "start_elevation_m": 1247.2951385736396,
   "end_elevation_m": 1248.1091331252983,
   "start_xy": [
    2586522.619596449,
    1137531.8442326656
   ],
   "end_xy": [
    2586511.7383743003,
    1137509.5388764485
   ]
  },
  "min_50m": {
   "gradient_pct": 5.525587194875243,
   "start_distance_m": 737.0,
   "end_distance_m": 787.0,
   "midpoint_distance_m": 762.0,
   "start_elevation_m": 1246.1994406303156,
   "end_elevation_m": 1248.9622342277532,
   "start_xy": [
    2586532.96797327,
    1137542.6886441237
   ],
   "end_xy": [
    2586509.368670176,
    1137499.8656111918
   ]
  },
  "min_100m": {
   "gradient_pct": 6.797318297832817,
   "start_distance_m": 116.0,
   "end_distance_m": 216.0,
   "midpoint_distance_m": 166.0,
   "start_elevation_m": 1188.5602522526622,
   "end_elevation_m": 1195.357570550495,
   "start_xy": [
    2586746.6456602216,
    1137419.2286468172
   ],
   "end_xy": [
    2586701.536461191,
    1137500.288413655
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.711532535492097,
   "start_distance_m": 999.0,
   "end_distance_m": 1001.0,
   "midpoint_distance_m": 1000.0,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1272.9306681054375,
   "start_xy": [
    2586419.3611414763,
    1137362.458435704
   ],
   "end_xy": [
    2586417.519343758,
    1137363.238038913
   ]
  },
  "max_3m": {
   "gradient_pct": 23.49936158584569,
   "start_distance_m": 999.0,
   "end_distance_m": 1002.0,
   "midpoint_distance_m": 1000.5,
   "start_elevation_m": 1272.4564374547276,
   "end_elevation_m": 1273.161418302303,
   "start_xy": [
    2586419.3611414763,
    1137362.458435704
   ],
   "end_xy": [
    2586416.5984448986,
    1137363.6278405176
   ]
  }
 },
 "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_2025_2586-1137_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:43:47+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": [
   "2586-1137"
  ],
  "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": "Gsteig",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}