{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.7265, 7.8538)",
 "slug": "discovered-lane-46-7265-7-8538",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 17.949731070882535,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1072.0,
   "end_distance_m": 1074.0,
   "start_elevation_m": 1181.2375551386826,
   "end_elevation_m": 1181.5965497601003,
   "min_gradient_pct": -6.303931980971811
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 16.33244136817969,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 1486.0,
   "end_distance_m": 1489.0,
   "start_elevation_m": 1231.801211988854,
   "end_elevation_m": 1232.2911852298994,
   "min_gradient_pct": -4.958498404691151
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 14.672100310535825,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1072.0,
   "end_distance_m": 1077.0,
   "start_elevation_m": 1181.2375551386826,
   "end_elevation_m": 1181.9711601542094,
   "min_gradient_pct": -3.5665864804013836
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 14.06940461500426,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1079.0,
   "end_distance_m": 1089.0,
   "start_elevation_m": 1182.1993948001016,
   "end_elevation_m": 1183.606335261602,
   "min_gradient_pct": 0.42102408696564453
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 13.907845416117652,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1939.0,
   "end_distance_m": 1959.0,
   "start_elevation_m": 1271.9404548053426,
   "end_elevation_m": 1274.7220238885661,
   "min_gradient_pct": 1.5255561278752339
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 13.852174520940935,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1934.0,
   "end_distance_m": 1959.0,
   "start_elevation_m": 1271.258980258331,
   "end_elevation_m": 1274.7220238885661,
   "min_gradient_pct": 1.8182665531248858
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 13.656759677608534,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1923.0,
   "end_distance_m": 1973.0,
   "start_elevation_m": 1269.7585871459628,
   "end_elevation_m": 1276.586966984767,
   "min_gradient_pct": 2.775593827539069
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.36714218247539,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1072.0,
   "end_distance_m": 1172.0,
   "start_elevation_m": 1181.2375551386826,
   "end_elevation_m": 1194.604697321158,
   "min_gradient_pct": 4.244937359910182
  }
 ],
 "shape": {
  "ascent_concentration": 0.292,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 461.0,
  "shape_class": "sustained"
 },
 "length_m": 2149.429900402318,
 "start_elevation_m": 1070.5055975683476,
 "end_elevation_m": 1294.9914470732247,
 "endpoint_gain_m": 224.48584950487702,
 "overall_gradient_pct": 10.443971653267646,
 "accumulated_ascent_m": 224.80762127630987,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 14.672100310535825,
   "start_distance_m": 1072.0,
   "end_distance_m": 1077.0,
   "midpoint_distance_m": 1074.5,
   "start_elevation_m": 1181.2375551386826,
   "end_elevation_m": 1181.9711601542094,
   "start_xy": [
    2631860.7083760127,
    1175143.8757867634
   ],
   "end_xy": [
    2631855.9059623843,
    1175142.4840887582
   ]
  },
  "max_10m": {
   "gradient_pct": 14.06940461500426,
   "start_distance_m": 1079.0,
   "end_distance_m": 1089.0,
   "midpoint_distance_m": 1084.0,
   "start_elevation_m": 1182.1993948001016,
   "end_elevation_m": 1183.606335261602,
   "start_xy": [
    2631853.9849969326,
    1175141.927409556
   ],
   "end_xy": [
    2631844.494260407,
    1175138.7804501203
   ]
  },
  "max_20m": {
   "gradient_pct": 13.907845416117652,
   "start_distance_m": 1939.0,
   "end_distance_m": 1959.0,
   "midpoint_distance_m": 1949.0,
   "start_elevation_m": 1271.9404548053426,
   "end_elevation_m": 1274.7220238885661,
   "start_xy": [
    2631820.8250682848,
    1175498.0960567074
   ],
   "end_xy": [
    2631828.790955917,
    1175516.0271240887
   ]
  },
  "max_25m": {
   "gradient_pct": 13.852174520940935,
   "start_distance_m": 1934.0,
   "end_distance_m": 1959.0,
   "midpoint_distance_m": 1946.5,
   "start_elevation_m": 1271.258980258331,
   "end_elevation_m": 1274.7220238885661,
   "start_xy": [
    2631820.958951413,
    1175493.114992168
   ],
   "end_xy": [
    2631828.790955917,
    1175516.0271240887
   ]
  },
  "max_50m": {
   "gradient_pct": 13.656759677608534,
   "start_distance_m": 1923.0,
   "end_distance_m": 1973.0,
   "midpoint_distance_m": 1948.0,
   "start_elevation_m": 1269.7585871459628,
   "end_elevation_m": 1276.586966984767,
   "start_xy": [
    2631823.4567175526,
    1175482.4459848392
   ],
   "end_xy": [
    2631837.112238344,
    1175527.2857322965
   ]
  },
  "max_100m": {
   "gradient_pct": 13.36714218247539,
   "start_distance_m": 1072.0,
   "end_distance_m": 1172.0,
   "midpoint_distance_m": 1122.0,
   "start_elevation_m": 1181.2375551386826,
   "end_elevation_m": 1194.604697321158,
   "start_xy": [
    2631860.7083760127,
    1175143.8757867634
   ],
   "end_xy": [
    2631765.7139092665,
    1175112.6911064857
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.5665864804013836,
   "start_distance_m": 274.0,
   "end_distance_m": 279.0,
   "midpoint_distance_m": 276.5,
   "start_elevation_m": 1099.1939832586331,
   "end_elevation_m": 1099.015653934613,
   "start_xy": [
    2632469.9346613768,
    1175274.1480235269
   ],
   "end_xy": [
    2632464.944286196,
    1175274.4581131197
   ]
  },
  "min_10m": {
   "gradient_pct": 0.42102408696564453,
   "start_distance_m": 273.0,
   "end_distance_m": 283.0,
   "midpoint_distance_m": 278.0,
   "start_elevation_m": 1099.1347535698228,
   "end_elevation_m": 1099.1768559785194,
   "start_xy": [
    2632470.027507483,
    1175273.5132687083
   ],
   "end_xy": [
    2632460.9512484763,
    1175274.460289637
   ]
  },
  "min_20m": {
   "gradient_pct": 1.5255561278752339,
   "start_distance_m": 1683.0,
   "end_distance_m": 1703.0,
   "midpoint_distance_m": 1693.0,
   "start_elevation_m": 1250.979415658555,
   "end_elevation_m": 1251.28452688413,
   "start_xy": [
    2631769.752831635,
    1175314.1612187934
   ],
   "end_xy": [
    2631781.332063249,
    1175330.1608379576
   ]
  },
  "min_25m": {
   "gradient_pct": 1.8182665531248858,
   "start_distance_m": 1682.0,
   "end_distance_m": 1707.0,
   "midpoint_distance_m": 1694.5,
   "start_elevation_m": 1250.9228193047243,
   "end_elevation_m": 1251.3773859430055,
   "start_xy": [
    2631769.371597238,
    1175313.2367403812
   ],
   "end_xy": [
    2631784.5632336373,
    1175332.4848708203
   ]
  },
  "min_50m": {
   "gradient_pct": 2.775593827539069,
   "start_distance_m": 1660.0,
   "end_distance_m": 1710.0,
   "midpoint_distance_m": 1685.0,
   "start_elevation_m": 1250.1272391935845,
   "end_elevation_m": 1251.515036107354,
   "start_xy": [
    2631760.984440502,
    1175292.8982153148
   ],
   "end_xy": [
    2631787.1469079447,
    1175334.0095435963
   ]
  },
  "min_100m": {
   "gradient_pct": 4.244937359910182,
   "start_distance_m": 1670.0,
   "end_distance_m": 1770.0,
   "midpoint_distance_m": 1720.0,
   "start_elevation_m": 1250.5402725611998,
   "end_elevation_m": 1254.78520992111,
   "start_xy": [
    2631764.7967844727,
    1175302.142999436
   ],
   "end_xy": [
    2631844.755042666,
    1175343.6677403057
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 17.949731070882535,
   "start_distance_m": 1072.0,
   "end_distance_m": 1074.0,
   "midpoint_distance_m": 1073.0,
   "start_elevation_m": 1181.2375551386826,
   "end_elevation_m": 1181.5965497601003,
   "start_xy": [
    2631860.7083760127,
    1175143.8757867634
   ],
   "end_xy": [
    2631858.7874105615,
    1175143.3191075614
   ]
  },
  "max_3m": {
   "gradient_pct": 16.33244136817969,
   "start_distance_m": 1486.0,
   "end_distance_m": 1489.0,
   "midpoint_distance_m": 1487.5,
   "start_elevation_m": 1231.801211988854,
   "end_elevation_m": 1232.2911852298994,
   "start_xy": [
    2631650.7561698337,
    1175164.8782036835
   ],
   "end_xy": [
    2631652.873711939,
    1175167.0025775726
   ]
  }
 },
 "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_2631-1175_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2632-1175_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:54:12+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": [
   "2631-1175",
   "2632-1175"
  ],
  "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": "Habkern",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}