{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0881, 7.9484)",
 "slug": "discovered-lane-47-0881-7-9484",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 24.446755282730237,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 523.0,
   "end_distance_m": 525.0,
   "start_elevation_m": 698.7782157592937,
   "end_elevation_m": 699.2671508649483,
   "min_gradient_pct": -3.2810500422215227
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 23.779845436979485,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 522.0,
   "end_distance_m": 525.0,
   "start_elevation_m": 698.553755501839,
   "end_elevation_m": 699.2671508649483,
   "min_gradient_pct": -2.374704832576905
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.178376238934106,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 523.0,
   "end_distance_m": 528.0,
   "start_elevation_m": 698.7782157592937,
   "end_elevation_m": 699.9371345712404,
   "min_gradient_pct": -1.2346502708237495
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 22.472476821775444,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 522.0,
   "end_distance_m": 532.0,
   "start_elevation_m": 698.553755501839,
   "end_elevation_m": 700.8010031840165,
   "min_gradient_pct": -0.3582260728342135
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 21.700460278647142,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 519.0,
   "end_distance_m": 539.0,
   "start_elevation_m": 697.9153406555347,
   "end_elevation_m": 702.2554327112641,
   "min_gradient_pct": 1.0593381409915992
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 21.38981170498164,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 517.0,
   "end_distance_m": 542.0,
   "start_elevation_m": 697.5038287774978,
   "end_elevation_m": 702.8512817037432,
   "min_gradient_pct": 1.5223184954957105
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.619615605843364,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 515.0,
   "end_distance_m": 565.0,
   "start_elevation_m": 697.1383415781762,
   "end_elevation_m": 706.9481493810979,
   "min_gradient_pct": 2.024002202192605
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.88960056826545,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 507.0,
   "end_distance_m": 607.0,
   "start_elevation_m": 695.8581233227926,
   "end_elevation_m": 714.7477238910581,
   "min_gradient_pct": 4.958037256960893
  }
 ],
 "shape": {
  "ascent_concentration": 0.341,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 210.0,
  "shape_class": "sustained"
 },
 "length_m": 1391.9999999999332,
 "start_elevation_m": 651.9274886865198,
 "end_elevation_m": 789.2518654017631,
 "endpoint_gain_m": 137.32437671524326,
 "overall_gradient_pct": 9.865256947934617,
 "accumulated_ascent_m": 137.61198756223985,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.178376238934106,
   "start_distance_m": 523.0,
   "end_distance_m": 528.0,
   "midpoint_distance_m": 525.5,
   "start_elevation_m": 698.7782157592937,
   "end_elevation_m": 699.9371345712404,
   "start_xy": [
    2638956.504271694,
    1215116.0435529805
   ],
   "end_xy": [
    2638953.7794004665,
    1215120.234478116
   ]
  },
  "max_10m": {
   "gradient_pct": 22.472476821775444,
   "start_distance_m": 522.0,
   "end_distance_m": 532.0,
   "midpoint_distance_m": 527.0,
   "start_elevation_m": 698.553755501839,
   "end_elevation_m": 700.8010031840165,
   "start_xy": [
    2638957.0277651455,
    1215115.1915232823
   ],
   "end_xy": [
    2638951.539665417,
    1215123.5485955698
   ]
  },
  "max_20m": {
   "gradient_pct": 21.700460278647142,
   "start_distance_m": 519.0,
   "end_distance_m": 539.0,
   "midpoint_distance_m": 529.0,
   "start_elevation_m": 697.9153406555347,
   "end_elevation_m": 702.2554327112641,
   "start_xy": [
    2638958.5982454987,
    1215112.635434188
   ],
   "end_xy": [
    2638947.278825638,
    1215129.1007263586
   ]
  },
  "max_25m": {
   "gradient_pct": 21.38981170498164,
   "start_distance_m": 517.0,
   "end_distance_m": 542.0,
   "midpoint_distance_m": 529.5,
   "start_elevation_m": 697.5038287774978,
   "end_elevation_m": 702.8512817037432,
   "start_xy": [
    2638959.4871772,
    1215110.848717067
   ],
   "end_xy": [
    2638945.2576426645,
    1215131.317665552
   ]
  },
  "max_50m": {
   "gradient_pct": 19.619615605843364,
   "start_distance_m": 515.0,
   "end_distance_m": 565.0,
   "midpoint_distance_m": 540.0,
   "start_elevation_m": 697.1383415781762,
   "end_elevation_m": 706.9481493810979,
   "start_xy": [
    2638960.289452779,
    1215109.0166816157
   ],
   "end_xy": [
    2638925.8347268873,
    1215143.2312493531
   ]
  },
  "max_100m": {
   "gradient_pct": 18.88960056826545,
   "start_distance_m": 507.0,
   "end_distance_m": 607.0,
   "midpoint_distance_m": 557.0,
   "start_elevation_m": 695.8581233227926,
   "end_elevation_m": 714.7477238910581,
   "start_xy": [
    2638962.6098394287,
    1215101.4035296775
   ],
   "end_xy": [
    2638885.0813190625,
    1215139.2765765137
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -1.2346502708237495,
   "start_distance_m": 713.0,
   "end_distance_m": 718.0,
   "midpoint_distance_m": 715.5,
   "start_elevation_m": 728.587314274776,
   "end_elevation_m": 728.5255817612348,
   "start_xy": [
    2638826.973826262,
    1215154.4025993017
   ],
   "end_xy": [
    2638831.9064895315,
    1215155.2204214516
   ]
  },
  "min_10m": {
   "gradient_pct": -0.3582260728342135,
   "start_distance_m": 741.0,
   "end_distance_m": 751.0,
   "midpoint_distance_m": 746.0,
   "start_elevation_m": 729.4594915829488,
   "end_elevation_m": 729.4236689756654,
   "start_xy": [
    2638854.461742956,
    1215159.7113152125
   ],
   "end_xy": [
    2638864.132415969,
    1215162.2109653712
   ]
  },
  "min_20m": {
   "gradient_pct": 1.0593381409915992,
   "start_distance_m": 709.0,
   "end_distance_m": 729.0,
   "midpoint_distance_m": 719.0,
   "start_elevation_m": 728.5634038237407,
   "end_elevation_m": 728.775271451939,
   "start_xy": [
    2638822.9987583924,
    1215154.0134115205
   ],
   "end_xy": [
    2638842.7056295285,
    1215157.3042844534
   ]
  },
  "min_25m": {
   "gradient_pct": 1.5223184954957105,
   "start_distance_m": 808.0,
   "end_distance_m": 833.0,
   "midpoint_distance_m": 820.5,
   "start_elevation_m": 733.8002141318389,
   "end_elevation_m": 734.1807937557128,
   "start_xy": [
    2638899.3563756025,
    1215203.7964382416
   ],
   "end_xy": [
    2638923.2579136994,
    1215210.6904832895
   ]
  },
  "min_50m": {
   "gradient_pct": 2.024002202192605,
   "start_distance_m": 707.0,
   "end_distance_m": 757.0,
   "midpoint_distance_m": 732.0,
   "start_elevation_m": 728.4838190090734,
   "end_elevation_m": 729.4958201101697,
   "start_xy": [
    2638821.0015850803,
    1215153.9071158909
   ],
   "end_xy": [
    2638869.302787927,
    1215165.1997193198
   ]
  },
  "min_100m": {
   "gradient_pct": 4.958037256960893,
   "start_distance_m": 741.0,
   "end_distance_m": 841.0,
   "midpoint_distance_m": 791.0,
   "start_elevation_m": 729.4594915829488,
   "end_elevation_m": 734.4175288399097,
   "start_xy": [
    2638854.461742956,
    1215159.7113152125
   ],
   "end_xy": [
    2638931.0919994153,
    1215212.311316716
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 24.446755282730237,
   "start_distance_m": 523.0,
   "end_distance_m": 525.0,
   "midpoint_distance_m": 524.0,
   "start_elevation_m": 698.7782157592937,
   "end_elevation_m": 699.2671508649483,
   "start_xy": [
    2638956.504271694,
    1215116.0435529805
   ],
   "end_xy": [
    2638955.457284792,
    1215117.747612377
   ]
  },
  "max_3m": {
   "gradient_pct": 23.779845436979485,
   "start_distance_m": 522.0,
   "end_distance_m": 525.0,
   "midpoint_distance_m": 523.5,
   "start_elevation_m": 698.553755501839,
   "end_elevation_m": 699.2671508649483,
   "start_xy": [
    2638957.0277651455,
    1215115.1915232823
   ],
   "end_xy": [
    2638955.457284792,
    1215117.747612377
   ]
  }
 },
 "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"
  ]
 },
 "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_2022_2638-1214_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2638-1215_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2639-1214_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2639-1215_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T23:43:45+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": [
   "2638-1214",
   "2638-1215",
   "2639-1214",
   "2639-1215"
  ],
  "route_summit_trim_m": 178.2,
  "route_summit_trim_loss_m": 8.2,
  "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": "Hergiswil bei Willisau",
  "county": "Luzern",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}