{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.0097, 8.0124)",
 "slug": "discovered-lane-47-0097-8-0124",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 47.020736494590665,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 219.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 803.6870070781047,
   "end_elevation_m": 804.6274218079965,
   "min_gradient_pct": -13.535218079994138
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 44.264173238070725,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 218.0,
   "end_distance_m": 221.0,
   "start_elevation_m": 803.2994966108544,
   "end_elevation_m": 804.6274218079965,
   "min_gradient_pct": -12.329364947337732
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 40.642859597596726,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 218.0,
   "end_distance_m": 223.0,
   "start_elevation_m": 803.2994966108544,
   "end_elevation_m": 805.3316395907342,
   "min_gradient_pct": -12.030134550329876
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 32.15406987401593,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 215.0,
   "end_distance_m": 225.0,
   "start_elevation_m": 802.6234911166104,
   "end_elevation_m": 805.838898104012,
   "min_gradient_pct": -11.177361613669063
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 29.93385294402742,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 59.0,
   "end_distance_m": 79.0,
   "start_elevation_m": 778.240274148872,
   "end_elevation_m": 784.2270447376775,
   "min_gradient_pct": -10.586844395735966
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 28.79468309678441,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 59.0,
   "end_distance_m": 84.0,
   "start_elevation_m": 778.240274148872,
   "end_elevation_m": 785.4389449230681,
   "min_gradient_pct": -10.40469988775476
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 25.325992035878244,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 323.0,
   "end_distance_m": 373.0,
   "start_elevation_m": 820.8342201543958,
   "end_elevation_m": 833.4972161723349,
   "min_gradient_pct": -9.99957649237922
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.16488082755916,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 281.0,
   "end_distance_m": 381.0,
   "start_elevation_m": 812.9232539376461,
   "end_elevation_m": 835.0881347652053,
   "min_gradient_pct": -9.65023802677888
  }
 ],
 "shape": {
  "ascent_concentration": 0.377,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 492.0,
  "shape_class": "sustained"
 },
 "length_m": 2451.9306390508405,
 "start_elevation_m": 769.5197721737924,
 "end_elevation_m": 961.684449682132,
 "endpoint_gain_m": 192.16467750833965,
 "overall_gradient_pct": 7.837280323016313,
 "accumulated_ascent_m": 222.90560100809898,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 40.642859597596726,
   "start_distance_m": 218.0,
   "end_distance_m": 223.0,
   "midpoint_distance_m": 220.5,
   "start_elevation_m": 803.2994966108544,
   "end_elevation_m": 805.3316395907342,
   "start_xy": [
    2644452.2788048307,
    1207303.9191292718
   ],
   "end_xy": [
    2644456.2387888017,
    1207300.8665030336
   ]
  },
  "max_10m": {
   "gradient_pct": 32.15406987401593,
   "start_distance_m": 215.0,
   "end_distance_m": 225.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 802.6234911166104,
   "end_elevation_m": 805.838898104012,
   "start_xy": [
    2644449.9028144483,
    1207305.7507050147
   ],
   "end_xy": [
    2644457.8227823903,
    1207299.6454525383
   ]
  },
  "max_20m": {
   "gradient_pct": 29.93385294402742,
   "start_distance_m": 59.0,
   "end_distance_m": 79.0,
   "midpoint_distance_m": 69.0,
   "start_elevation_m": 778.240274148872,
   "end_elevation_m": 784.2270447376775,
   "start_xy": [
    2644351.646495372,
    1207417.8690418657
   ],
   "end_xy": [
    2644359.0802379455,
    1207399.5039505793
   ]
  },
  "max_25m": {
   "gradient_pct": 28.79468309678441,
   "start_distance_m": 59.0,
   "end_distance_m": 84.0,
   "midpoint_distance_m": 71.5,
   "start_elevation_m": 778.240274148872,
   "end_elevation_m": 785.4389449230681,
   "start_xy": [
    2644351.646495372,
    1207417.8690418657
   ],
   "end_xy": [
    2644361.7998381,
    1207395.3082652956
   ]
  },
  "max_50m": {
   "gradient_pct": 25.325992035878244,
   "start_distance_m": 323.0,
   "end_distance_m": 373.0,
   "midpoint_distance_m": 348.0,
   "start_elevation_m": 820.8342201543958,
   "end_elevation_m": 833.4972161723349,
   "start_xy": [
    2644523.5537710167,
    1207240.611244393
   ],
   "end_xy": [
    2644490.4358836017,
    1207203.9010424556
   ]
  },
  "max_100m": {
   "gradient_pct": 22.16488082755916,
   "start_distance_m": 281.0,
   "end_distance_m": 381.0,
   "midpoint_distance_m": 331.0,
   "start_elevation_m": 812.9232539376461,
   "end_elevation_m": 835.0881347652053,
   "start_xy": [
    2644503.5779699464,
    1207267.5592342108
   ],
   "end_xy": [
    2644483.6515113977,
    1207199.6616682329
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -12.030134550329876,
   "start_distance_m": 559.0,
   "end_distance_m": 564.0,
   "midpoint_distance_m": 561.5,
   "start_elevation_m": 846.6392923840402,
   "end_elevation_m": 846.0377856565237,
   "start_xy": [
    2644372.7924951063,
    1207128.2819257432
   ],
   "end_xy": [
    2644369.4818745484,
    1207124.5404790475
   ]
  },
  "min_10m": {
   "gradient_pct": -11.177361613669063,
   "start_distance_m": 1331.0,
   "end_distance_m": 1341.0,
   "midpoint_distance_m": 1336.0,
   "start_elevation_m": 841.1738634836656,
   "end_elevation_m": 840.0561273222987,
   "start_xy": [
    2643805.394908106,
    1206911.9696964424
   ],
   "end_xy": [
    2643795.633130223,
    1206914.1394182134
   ]
  },
  "min_20m": {
   "gradient_pct": -10.586844395735966,
   "start_distance_m": 1330.0,
   "end_distance_m": 1350.0,
   "midpoint_distance_m": 1340.0,
   "start_elevation_m": 841.2811605798277,
   "end_elevation_m": 839.1637917006805,
   "start_xy": [
    2643806.3710858943,
    1206911.7527242654
   ],
   "end_xy": [
    2643786.8475301284,
    1206916.0921678073
   ]
  },
  "min_25m": {
   "gradient_pct": -10.40469988775476,
   "start_distance_m": 1270.0,
   "end_distance_m": 1295.0,
   "midpoint_distance_m": 1282.5,
   "start_elevation_m": 847.1535536325034,
   "end_elevation_m": 844.5523786605647,
   "start_xy": [
    2643865.9500710415,
    1206910.297141409
   ],
   "end_xy": [
    2643841.0291085104,
    1206908.4742662022
   ]
  },
  "min_50m": {
   "gradient_pct": -9.99957649237922,
   "start_distance_m": 1270.0,
   "end_distance_m": 1320.0,
   "midpoint_distance_m": 1295.0,
   "start_elevation_m": 847.1535536325034,
   "end_elevation_m": 842.1537653863138,
   "start_xy": [
    2643865.9500710415,
    1206910.297141409
   ],
   "end_xy": [
    2643816.132863777,
    1206909.5830024944
   ]
  },
  "min_100m": {
   "gradient_pct": -9.65023802677888,
   "start_distance_m": 1261.0,
   "end_distance_m": 1361.0,
   "midpoint_distance_m": 1311.0,
   "start_elevation_m": 847.9268346201501,
   "end_elevation_m": 838.2765965933712,
   "start_xy": [
    2643874.843814506,
    1206911.5950793838
   ],
   "end_xy": [
    2643776.109574457,
    1206918.4788617555
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 47.020736494590665,
   "start_distance_m": 219.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 220.0,
   "start_elevation_m": 803.6870070781047,
   "end_elevation_m": 804.6274218079965,
   "start_xy": [
    2644453.070801625,
    1207303.3086040241
   ],
   "end_xy": [
    2644454.654795213,
    1207302.0875535288
   ]
  },
  "max_3m": {
   "gradient_pct": 44.264173238070725,
   "start_distance_m": 218.0,
   "end_distance_m": 221.0,
   "midpoint_distance_m": 219.5,
   "start_elevation_m": 803.2994966108544,
   "end_elevation_m": 804.6274218079965,
   "start_xy": [
    2644452.2788048307,
    1207303.9191292718
   ],
   "end_xy": [
    2644454.654795213,
    1207302.0875535288
   ]
  }
 },
 "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": [
   "short_window_divergence"
  ],
  "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_2022_2643-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2643-1207_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2644-1206_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2022_2644-1207_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:18:05+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": [
   "2643-1206",
   "2643-1207",
   "2644-1206",
   "2644-1207"
  ],
  "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)"
 }
}