{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.9816, 7.6736)",
 "slug": "discovered-lane-46-9816-7-6736",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.347682885035283,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1510.0,
   "end_distance_m": 1512.0,
   "start_elevation_m": 803.0359928728946,
   "end_elevation_m": 803.5429465305953,
   "min_gradient_pct": -16.392775169538254,
   "suppressed_max_gradient_pct": 25.912060803494796,
   "suppressed_location_m": [
    1397.0,
    1399.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.75221118021591,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1509.0,
   "end_distance_m": 1512.0,
   "start_elevation_m": 802.8603801951888,
   "end_elevation_m": 803.5429465305953,
   "min_gradient_pct": -15.693548045491449,
   "suppressed_max_gradient_pct": 24.73078470816669,
   "suppressed_location_m": [
    1396.0,
    1399.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 19.337163489221894,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1554.0,
   "end_distance_m": 1559.0,
   "start_elevation_m": 808.8983773024122,
   "end_elevation_m": 809.8652354768733,
   "min_gradient_pct": -13.369979631602291,
   "suppressed_max_gradient_pct": 23.81513089471582,
   "suppressed_location_m": [
    1396.0,
    1401.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 17.39889161374208,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1550.0,
   "end_distance_m": 1560.0,
   "start_elevation_m": 808.3018232912392,
   "end_elevation_m": 810.0417124526134,
   "min_gradient_pct": -12.056779530962558,
   "suppressed_max_gradient_pct": 23.286345937636952,
   "suppressed_location_m": [
    1396.0,
    1406.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 16.308397239449732,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 1540.0,
   "end_distance_m": 1560.0,
   "start_elevation_m": 806.7800330047235,
   "end_elevation_m": 810.0417124526134,
   "min_gradient_pct": -9.044048639960351,
   "suppressed_max_gradient_pct": 22.59860879420728,
   "suppressed_location_m": [
    1386.0,
    1406.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 15.957986413206982,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 915.0,
   "end_distance_m": 940.0,
   "start_elevation_m": 765.8473896158346,
   "end_elevation_m": 769.8368862191363,
   "min_gradient_pct": -8.323020930621624,
   "suppressed_max_gradient_pct": 22.242514972330355,
   "suppressed_location_m": [
    1386.0,
    1411.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.976909619882008,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 900.0,
   "end_distance_m": 950.0,
   "start_elevation_m": 763.7148218801691,
   "end_elevation_m": 771.2032766901101,
   "min_gradient_pct": -7.798901091122389,
   "suppressed_max_gradient_pct": 17.86596104047976,
   "suppressed_location_m": [
    1381.0,
    1431.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.501702250964968,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1484.0,
   "end_distance_m": 1584.0,
   "start_elevation_m": 799.7993774165687,
   "end_elevation_m": 813.3010796675337,
   "min_gradient_pct": -2.580631408425006
  }
 ],
 "shape": {
  "ascent_concentration": 0.345,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 113.0,
  "shape_class": "sustained"
 },
 "length_m": 1610.101450097228,
 "start_elevation_m": 726.7166840781086,
 "end_elevation_m": 815.6150272016608,
 "endpoint_gain_m": 88.8983431235522,
 "overall_gradient_pct": 5.521288308769857,
 "accumulated_ascent_m": 99.91522962494503,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 19.337163489221894,
   "start_distance_m": 1554.0,
   "end_distance_m": 1559.0,
   "midpoint_distance_m": 1556.5,
   "start_elevation_m": 808.8983773024122,
   "end_elevation_m": 809.8652354768733,
   "start_xy": [
    2617732.6677312623,
    1203417.2862248318
   ],
   "end_xy": [
    2617736.400242026,
    1203413.9593745794
   ]
  },
  "max_10m": {
   "gradient_pct": 17.39889161374208,
   "start_distance_m": 1550.0,
   "end_distance_m": 1560.0,
   "midpoint_distance_m": 1555.0,
   "start_elevation_m": 808.3018232912392,
   "end_elevation_m": 810.0417124526134,
   "start_xy": [
    2617729.290147936,
    1203419.4185329254
   ],
   "end_xy": [
    2617737.146711156,
    1203413.2939545328
   ]
  },
  "max_20m": {
   "gradient_pct": 16.308397239449732,
   "start_distance_m": 1540.0,
   "end_distance_m": 1560.0,
   "midpoint_distance_m": 1550.0,
   "start_elevation_m": 806.7800330047235,
   "end_elevation_m": 810.0417124526134,
   "start_xy": [
    2617719.8656890932,
    1203422.5851153699
   ],
   "end_xy": [
    2617737.146711156,
    1203413.2939545328
   ]
  },
  "max_25m": {
   "gradient_pct": 15.957986413206982,
   "start_distance_m": 915.0,
   "end_distance_m": 940.0,
   "midpoint_distance_m": 927.5,
   "start_elevation_m": 765.8473896158346,
   "end_elevation_m": 769.8368862191363,
   "start_xy": [
    2617963.681962329,
    1203195.632033362
   ],
   "end_xy": [
    2617941.1073521017,
    1203185.4621006704
   ]
  },
  "max_50m": {
   "gradient_pct": 14.976909619882008,
   "start_distance_m": 900.0,
   "end_distance_m": 950.0,
   "midpoint_distance_m": 925.0,
   "start_elevation_m": 763.7148218801691,
   "end_elevation_m": 771.2032766901101,
   "start_xy": [
    2617978.4658447243,
    1203193.803621822
   ],
   "end_xy": [
    2617931.954108807,
    1203181.482385601
   ]
  },
  "max_100m": {
   "gradient_pct": 13.501702250964968,
   "start_distance_m": 1484.0,
   "end_distance_m": 1584.0,
   "midpoint_distance_m": 1534.0,
   "start_elevation_m": 799.7993774165687,
   "end_elevation_m": 813.3010796675337,
   "start_xy": [
    2617667.89736401,
    1203424.8569255045
   ],
   "end_xy": [
    2617753.5844825637,
    1203395.8143371781
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -13.369979631602291,
   "start_distance_m": 512.0,
   "end_distance_m": 517.0,
   "midpoint_distance_m": 514.5,
   "start_elevation_m": 748.7914514335323,
   "end_elevation_m": 748.1229524519522,
   "start_xy": [
    2618278.062298691,
    1203383.159908354
   ],
   "end_xy": [
    2618276.409362208,
    1203378.4410320062
   ]
  },
  "min_10m": {
   "gradient_pct": -12.056779530962558,
   "start_distance_m": 1176.0,
   "end_distance_m": 1186.0,
   "midpoint_distance_m": 1181.0,
   "start_elevation_m": 788.7894324212065,
   "end_elevation_m": 787.5837544681102,
   "start_xy": [
    2617885.96235075,
    1203389.1180945018
   ],
   "end_xy": [
    2617885.0748458635,
    1203399.074258379
   ]
  },
  "min_20m": {
   "gradient_pct": -9.044048639960351,
   "start_distance_m": 1172.0,
   "end_distance_m": 1192.0,
   "midpoint_distance_m": 1182.0,
   "start_elevation_m": 789.0672870963756,
   "end_elevation_m": 787.2584773683835,
   "start_xy": [
    2617886.5032752734,
    1203385.1548385483
   ],
   "end_xy": [
    2617884.268570408,
    1203405.0009158207
   ]
  },
  "min_25m": {
   "gradient_pct": -8.323020930621624,
   "start_distance_m": 1334.0,
   "end_distance_m": 1359.0,
   "midpoint_distance_m": 1346.5,
   "start_elevation_m": 791.945614334787,
   "end_elevation_m": 789.8648591021316,
   "start_xy": [
    2617758.513718821,
    1203461.8669989568
   ],
   "end_xy": [
    2617736.180395829,
    1203472.457024058
   ]
  },
  "min_50m": {
   "gradient_pct": -7.798901091122389,
   "start_distance_m": 1331.0,
   "end_distance_m": 1381.0,
   "midpoint_distance_m": 1356.0,
   "start_elevation_m": 792.1044807435135,
   "end_elevation_m": 788.2050301979523,
   "start_xy": [
    2617761.3629527614,
    1203460.9279218796
   ],
   "end_xy": [
    2617727.329643013,
    1203491.8915532886
   ]
  },
  "min_100m": {
   "gradient_pct": -2.580631408425006,
   "start_distance_m": 1281.0,
   "end_distance_m": 1381.0,
   "midpoint_distance_m": 1331.0,
   "start_elevation_m": 790.7856616063773,
   "end_elevation_m": 788.2050301979523,
   "start_xy": [
    2617808.896965301,
    1203445.4198135512
   ],
   "end_xy": [
    2617727.329643013,
    1203491.8915532886
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.347682885035283,
   "start_distance_m": 1510.0,
   "end_distance_m": 1512.0,
   "midpoint_distance_m": 1511.0,
   "start_elevation_m": 803.0359928728946,
   "end_elevation_m": 803.5429465305953,
   "start_xy": [
    2617690.356997291,
    1203419.7460759373
   ],
   "end_xy": [
    2617692.285205766,
    1203420.2771231679
   ]
  },
  "max_3m": {
   "gradient_pct": 22.75221118021591,
   "start_distance_m": 1509.0,
   "end_distance_m": 1512.0,
   "midpoint_distance_m": 1510.5,
   "start_elevation_m": 802.8603801951888,
   "end_elevation_m": 803.5429465305953,
   "start_xy": [
    2617689.3929449664,
    1203419.4803635022
   ],
   "end_xy": [
    2617692.285205766,
    1203420.2771231679
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.019,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 1,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 1386.0,
     "end_m": 1411.0,
     "raw_pct": 22.24,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 1386.0,
     "end_m": 1406.0,
     "raw_pct": 22.6,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 1396.0,
     "end_m": 1406.0,
     "raw_pct": 23.29,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    1384.0,
    1413.0
   ]
  ],
  "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_2617-1203_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2618-1203_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T23:54:20+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "output/texture-ch-ch/batch-switzerland-rchunk03.pbf",
  "osm_snapshot": "",
  "run_id": "texture-ch-ch-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": [
   "2617-1203",
   "2618-1203"
  ],
  "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": "Hasle bei Burgdorf",
  "county": "Bern/Berne",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}