{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0072, 7.9815)",
 "slug": "discovered-lane-47-0072-7-9815",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 37.05840629099839,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 5110.0,
   "end_distance_m": 5112.0,
   "start_elevation_m": 1336.2942423206528,
   "end_elevation_m": 1337.0354104464727,
   "min_gradient_pct": -23.925558202950015
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 35.64474966293195,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 5110.0,
   "end_distance_m": 5113.0,
   "start_elevation_m": 1336.2942423206528,
   "end_elevation_m": 1337.3635848105407,
   "min_gradient_pct": -20.95241400801721
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 32.74423908572771,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5110.0,
   "end_distance_m": 5115.0,
   "start_elevation_m": 1336.2942423206528,
   "end_elevation_m": 1337.9314542749391,
   "min_gradient_pct": -16.951726051700007
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.452938378570707,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 5105.0,
   "end_distance_m": 5115.0,
   "start_elevation_m": 1335.086160437082,
   "end_elevation_m": 1337.9314542749391,
   "min_gradient_pct": -12.019903664697722
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.953788299513008,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4689.0,
   "end_distance_m": 4709.0,
   "start_elevation_m": 1258.410724215278,
   "end_elevation_m": 1263.6014818751805,
   "min_gradient_pct": -8.998139761245056
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.19946798996989,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4688.0,
   "end_distance_m": 4713.0,
   "start_elevation_m": 1258.207402585362,
   "end_elevation_m": 1264.5072695828544,
   "min_gradient_pct": -8.845748081058446
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.789336818168067,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4689.0,
   "end_distance_m": 4739.0,
   "start_elevation_m": 1258.410724215278,
   "end_elevation_m": 1270.805392624362,
   "min_gradient_pct": -8.126513316984983
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.472709877802117,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 4687.0,
   "end_distance_m": 4787.0,
   "start_elevation_m": 1257.9906184611896,
   "end_elevation_m": 1280.4633283389917,
   "min_gradient_pct": -6.330204843062802
  }
 ],
 "shape": {
  "ascent_concentration": 0.295,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 454.0,
  "shape_class": "sustained"
 },
 "length_m": 5140.855066477698,
 "start_elevation_m": 937.5931434911895,
 "end_elevation_m": 1337.9112499277471,
 "endpoint_gain_m": 400.3181064365576,
 "overall_gradient_pct": 7.786994600313429,
 "accumulated_ascent_m": 433.83553946313555,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 32.74423908572771,
   "start_distance_m": 5110.0,
   "end_distance_m": 5115.0,
   "midpoint_distance_m": 5112.5,
   "start_elevation_m": 1336.2942423206528,
   "end_elevation_m": 1337.9314542749391,
   "start_xy": [
    2639819.545179233,
    1206067.4253853317
   ],
   "end_xy": [
    2639818.182813146,
    1206072.2362021694
   ]
  },
  "max_10m": {
   "gradient_pct": 28.452938378570707,
   "start_distance_m": 5105.0,
   "end_distance_m": 5115.0,
   "midpoint_distance_m": 5110.0,
   "start_elevation_m": 1335.086160437082,
   "end_elevation_m": 1337.9314542749391,
   "start_xy": [
    2639820.9075453193,
    1206062.614568494
   ],
   "end_xy": [
    2639818.182813146,
    1206072.2362021694
   ]
  },
  "max_20m": {
   "gradient_pct": 25.953788299513008,
   "start_distance_m": 4689.0,
   "end_distance_m": 4709.0,
   "midpoint_distance_m": 4699.0,
   "start_elevation_m": 1258.410724215278,
   "end_elevation_m": 1263.6014818751805,
   "start_xy": [
    2640087.933481435,
    1205949.5234751003
   ],
   "end_xy": [
    2640068.438101848,
    1205945.064510626
   ]
  },
  "max_25m": {
   "gradient_pct": 25.19946798996989,
   "start_distance_m": 4688.0,
   "end_distance_m": 4713.0,
   "midpoint_distance_m": 4700.5,
   "start_elevation_m": 1258.207402585362,
   "end_elevation_m": 1264.5072695828544,
   "start_xy": [
    2640088.9056794704,
    1205949.7576352588
   ],
   "end_xy": [
    2640064.5509775504,
    1205944.1209722366
   ]
  },
  "max_50m": {
   "gradient_pct": 24.789336818168067,
   "start_distance_m": 4689.0,
   "end_distance_m": 4739.0,
   "midpoint_distance_m": 4714.0,
   "start_elevation_m": 1258.410724215278,
   "end_elevation_m": 1270.805392624362,
   "start_xy": [
    2640087.933481435,
    1205949.5234751003
   ],
   "end_xy": [
    2640038.777927471,
    1205942.5484419218
   ]
  },
  "max_100m": {
   "gradient_pct": 22.472709877802117,
   "start_distance_m": 4687.0,
   "end_distance_m": 4787.0,
   "midpoint_distance_m": 4737.0,
   "start_elevation_m": 1257.9906184611896,
   "end_elevation_m": 1280.4633283389917,
   "start_xy": [
    2640089.8778775055,
    1205949.9917954174
   ],
   "end_xy": [
    2639994.1112552173,
    1205959.4350255786
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -16.951726051700007,
   "start_distance_m": 74.0,
   "end_distance_m": 79.0,
   "midpoint_distance_m": 76.5,
   "start_elevation_m": 947.6530381488359,
   "end_elevation_m": 946.8054518462509,
   "start_xy": [
    2643377.22178414,
    1207209.7072805231
   ],
   "end_xy": [
    2643381.232923845,
    1207206.7273837726
   ]
  },
  "min_10m": {
   "gradient_pct": -12.019903664697722,
   "start_distance_m": 92.0,
   "end_distance_m": 102.0,
   "midpoint_distance_m": 97.0,
   "start_elevation_m": 947.1663271196805,
   "end_elevation_m": 945.9643367532108,
   "start_xy": [
    2643391.6931253965,
    1207199.0083045855
   ],
   "end_xy": [
    2643399.7394342828,
    1207193.0705513644
   ]
  },
  "min_20m": {
   "gradient_pct": -8.998139761245056,
   "start_distance_m": 2035.0,
   "end_distance_m": 2055.0,
   "midpoint_distance_m": 2045.0,
   "start_elevation_m": 1092.2856398028675,
   "end_elevation_m": 1090.4860118506185,
   "start_xy": [
    2642152.601088444,
    1206502.3799482288
   ],
   "end_xy": [
    2642136.541340292,
    1206514.2991235415
   ]
  },
  "min_25m": {
   "gradient_pct": -8.845748081058446,
   "start_distance_m": 2032.0,
   "end_distance_m": 2057.0,
   "midpoint_distance_m": 2044.5,
   "start_elevation_m": 1092.547811397454,
   "end_elevation_m": 1090.3363743771895,
   "start_xy": [
    2642155.034909233,
    1206500.625948124
   ],
   "end_xy": [
    2642134.9391140523,
    1206515.4961494717
   ]
  },
  "min_50m": {
   "gradient_pct": -8.126513316984983,
   "start_distance_m": 2025.0,
   "end_distance_m": 2075.0,
   "midpoint_distance_m": 2050.0,
   "start_elevation_m": 1093.0553312400032,
   "end_elevation_m": 1088.9920745815107,
   "start_xy": [
    2642160.726136581,
    1206496.5517693246
   ],
   "end_xy": [
    2642120.519077897,
    1206526.269382843
   ]
  },
  "min_100m": {
   "gradient_pct": -6.330204843062802,
   "start_distance_m": 1991.0,
   "end_distance_m": 2091.0,
   "midpoint_distance_m": 2041.0,
   "start_elevation_m": 1094.6849724904966,
   "end_elevation_m": 1088.3547676474338,
   "start_xy": [
    2642192.799478333,
    1206487.8574072218
   ],
   "end_xy": [
    2642108.6607281743,
    1206536.9965297543
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 37.05840629099839,
   "start_distance_m": 5110.0,
   "end_distance_m": 5112.0,
   "midpoint_distance_m": 5111.0,
   "start_elevation_m": 1336.2942423206528,
   "end_elevation_m": 1337.0354104464727,
   "start_xy": [
    2639819.545179233,
    1206067.4253853317
   ],
   "end_xy": [
    2639819.000232798,
    1206069.3497120668
   ]
  },
  "max_3m": {
   "gradient_pct": 35.64474966293195,
   "start_distance_m": 5110.0,
   "end_distance_m": 5113.0,
   "midpoint_distance_m": 5111.5,
   "start_elevation_m": 1336.2942423206528,
   "end_elevation_m": 1337.3635848105407,
   "start_xy": [
    2639819.545179233,
    1206067.4253853317
   ],
   "end_xy": [
    2639818.727759581,
    1206070.3118754344
   ]
  }
 },
 "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_2025_2639-1205_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2639-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2640-1205_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2640-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2641-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2642-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2642-1207_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2643-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2643-1207_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:54:04+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": [
   "2639-1205",
   "2639-1206",
   "2640-1205",
   "2640-1206",
   "2641-1206",
   "2642-1206",
   "2642-1207",
   "2643-1206",
   "2643-1207"
  ],
  "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": "Romoos",
  "county": "Luzern",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}