{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.3830, 7.7366)",
 "slug": "discovered-lane-47-3830-7-7366",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.10570981318983,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 678.0,
   "end_distance_m": 680.0,
   "start_elevation_m": 668.2560195466762,
   "end_elevation_m": 668.93813374294,
   "min_gradient_pct": 3.3183158100428045
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.45723139937127,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 678.0,
   "end_distance_m": 681.0,
   "start_elevation_m": 668.2560195466762,
   "end_elevation_m": 669.2297364886573,
   "min_gradient_pct": 4.9588882563170955
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.605688283496875,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 678.0,
   "end_distance_m": 683.0,
   "start_elevation_m": 668.2560195466762,
   "end_elevation_m": 669.786303960851,
   "min_gradient_pct": 5.679927894118464
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.693212383152513,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 201.0,
   "end_distance_m": 211.0,
   "start_elevation_m": 595.130321606834,
   "end_elevation_m": 597.9996428451492,
   "min_gradient_pct": 6.99611808725308
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 28.53809026983754,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 199.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 594.5375833689171,
   "end_elevation_m": 600.2452014228846,
   "min_gradient_pct": 7.6081194253424655
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 28.220032645436277,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 194.0,
   "end_distance_m": 219.0,
   "start_elevation_m": 593.1901932615256,
   "end_elevation_m": 600.2452014228846,
   "min_gradient_pct": 7.746404139692913
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 27.476006147309818,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 175.0,
   "end_distance_m": 225.0,
   "start_elevation_m": 588.061165870671,
   "end_elevation_m": 601.7991689443259,
   "min_gradient_pct": 8.46882381551859
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 25.55908577540424,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 126.0,
   "end_distance_m": 226.0,
   "start_elevation_m": 576.460706986212,
   "end_elevation_m": 602.0197927616163,
   "min_gradient_pct": 9.646725744937726
  }
 ],
 "shape": {
  "ascent_concentration": 0.353,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 393.0,
  "shape_class": "sustained"
 },
 "length_m": 822.6552622779365,
 "start_elevation_m": 554.2777640818886,
 "end_elevation_m": 692.3079751423084,
 "endpoint_gain_m": 138.0302110604198,
 "overall_gradient_pct": 16.778621299791293,
 "accumulated_ascent_m": 138.04760598385894,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.605688283496875,
   "start_distance_m": 678.0,
   "end_distance_m": 683.0,
   "midpoint_distance_m": 680.5,
   "start_elevation_m": 668.2560195466762,
   "end_elevation_m": 669.786303960851,
   "start_xy": [
    2622495.5861004484,
    1248058.232942786
   ],
   "end_xy": [
    2622490.660165348,
    1248059.0903594794
   ]
  },
  "max_10m": {
   "gradient_pct": 28.693212383152513,
   "start_distance_m": 201.0,
   "end_distance_m": 211.0,
   "midpoint_distance_m": 206.0,
   "start_elevation_m": 595.130321606834,
   "end_elevation_m": 597.9996428451492,
   "start_xy": [
    2622913.9493199023,
    1247916.2726583325
   ],
   "end_xy": [
    2622915.5539056873,
    1247926.1283398103
   ]
  },
  "max_20m": {
   "gradient_pct": 28.53809026983754,
   "start_distance_m": 199.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 209.0,
   "start_elevation_m": 594.5375833689171,
   "end_elevation_m": 600.2452014228846,
   "start_xy": [
    2622913.8425026876,
    1247914.2755128487
   ],
   "end_xy": [
    2622915.4374416317,
    1247934.088863904
   ]
  },
  "max_25m": {
   "gradient_pct": 28.220032645436277,
   "start_distance_m": 194.0,
   "end_distance_m": 219.0,
   "midpoint_distance_m": 206.5,
   "start_elevation_m": 593.1901932615256,
   "end_elevation_m": 600.2452014228846,
   "start_xy": [
    2622914.7247553705,
    1247909.3929479292
   ],
   "end_xy": [
    2622915.4374416317,
    1247934.088863904
   ]
  },
  "max_50m": {
   "gradient_pct": 27.476006147309818,
   "start_distance_m": 175.0,
   "end_distance_m": 225.0,
   "midpoint_distance_m": 200.0,
   "start_elevation_m": 588.061165870671,
   "end_elevation_m": 601.7991689443259,
   "start_xy": [
    2622930.295401223,
    1247904.232452068
   ],
   "end_xy": [
    2622914.6675149347,
    1247940.0392593283
   ]
  },
  "max_100m": {
   "gradient_pct": 25.55908577540424,
   "start_distance_m": 126.0,
   "end_distance_m": 226.0,
   "midpoint_distance_m": 176.0,
   "start_elevation_m": 576.460706986212,
   "end_elevation_m": 602.0197927616163,
   "start_xy": [
    2622978.319161673,
    1247913.8583937804
   ],
   "end_xy": [
    2622914.538698781,
    1247941.0309278206
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 5.679927894118464,
   "start_distance_m": 695.0,
   "end_distance_m": 700.0,
   "midpoint_distance_m": 697.5,
   "start_elevation_m": 671.9312494398356,
   "end_elevation_m": 672.2152458345415,
   "start_xy": [
    2622478.8379211067,
    1248061.1481595435
   ],
   "end_xy": [
    2622473.907528621,
    1248061.978550291
   ]
  },
  "min_10m": {
   "gradient_pct": 6.99611808725308,
   "start_distance_m": 476.0,
   "end_distance_m": 486.0,
   "midpoint_distance_m": 481.0,
   "start_elevation_m": 638.3811124547329,
   "end_elevation_m": 639.0807242634583,
   "start_xy": [
    2622693.0221725316,
    1248023.5182394248
   ],
   "end_xy": [
    2622683.201972235,
    1248025.406006924
   ]
  },
  "min_20m": {
   "gradient_pct": 7.6081194253424655,
   "start_distance_m": 476.0,
   "end_distance_m": 496.0,
   "midpoint_distance_m": 486.0,
   "start_elevation_m": 638.3811124547329,
   "end_elevation_m": 639.9027363398014,
   "start_xy": [
    2622693.0221725316,
    1248023.5182394248
   ],
   "end_xy": [
    2622673.3186429157,
    1248026.888117967
   ]
  },
  "min_25m": {
   "gradient_pct": 7.746404139692913,
   "start_distance_m": 473.0,
   "end_distance_m": 498.0,
   "midpoint_distance_m": 485.5,
   "start_elevation_m": 638.1317124671046,
   "end_elevation_m": 640.0683135020279,
   "start_xy": [
    2622695.9682326205,
    1248022.951909175
   ],
   "end_xy": [
    2622671.332751791,
    1248027.1252602034
   ]
  },
  "min_50m": {
   "gradient_pct": 8.46882381551859,
   "start_distance_m": 471.0,
   "end_distance_m": 521.0,
   "midpoint_distance_m": 496.0,
   "start_elevation_m": 637.9451858676438,
   "end_elevation_m": 642.1795977754031,
   "start_xy": [
    2622697.93227268,
    1248022.574355675
   ],
   "end_xy": [
    2622648.424126581,
    1248028.236737235
   ]
  },
  "min_100m": {
   "gradient_pct": 9.646725744937726,
   "start_distance_m": 407.0,
   "end_distance_m": 507.0,
   "midpoint_distance_m": 457.0,
   "start_elevation_m": 631.2050370073197,
   "end_elevation_m": 640.8517627522574,
   "start_xy": [
    2622761.121041209,
    1248012.9773261128
   ],
   "end_xy": [
    2622662.396241729,
    1248028.192400267
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.10570981318983,
   "start_distance_m": 678.0,
   "end_distance_m": 680.0,
   "midpoint_distance_m": 679.0,
   "start_elevation_m": 668.2560195466762,
   "end_elevation_m": 668.93813374294,
   "start_xy": [
    2622495.5861004484,
    1248058.232942786
   ],
   "end_xy": [
    2622493.615726408,
    1248058.5759094635
   ]
  },
  "max_3m": {
   "gradient_pct": 32.45723139937127,
   "start_distance_m": 678.0,
   "end_distance_m": 681.0,
   "midpoint_distance_m": 679.5,
   "start_elevation_m": 668.2560195466762,
   "end_elevation_m": 669.2297364886573,
   "start_xy": [
    2622495.5861004484,
    1248058.232942786
   ],
   "end_xy": [
    2622492.630539388,
    1248058.7473928023
   ]
  }
 },
 "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_2622-1247_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2622-1248_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2623-1247_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2025_2623-1248_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:37:24+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": [
   "2622-1247",
   "2622-1248",
   "2623-1247",
   "2623-1248"
  ],
  "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": "Waldenburg",
  "county": "Basel-Landschaft",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}