{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (47.3484, 9.2202)",
 "slug": "discovered-lane-47-3484-9-2202",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 38.056144587199014,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 790.0,
   "end_distance_m": 792.0,
   "start_elevation_m": 875.157416252173,
   "end_elevation_m": 875.918539143917,
   "min_gradient_pct": -76.41122621761838,
   "suppressed_max_gradient_pct": 76.3208346319459,
   "suppressed_location_m": [
    656.0,
    658.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 32.98810633247058,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 789.0,
   "end_distance_m": 792.0,
   "start_elevation_m": 874.9288959539429,
   "end_elevation_m": 875.918539143917,
   "min_gradient_pct": -65.35302888231627,
   "suppressed_max_gradient_pct": 68.74607088552314,
   "suppressed_location_m": [
    655.0,
    658.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 28.250423149797825,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 766.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 869.5764027960465,
   "end_elevation_m": 870.9889239535364,
   "min_gradient_pct": -42.2190020879907,
   "suppressed_max_gradient_pct": 44.261484468484014,
   "suppressed_location_m": [
    655.0,
    660.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.439126163144238,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 767.0,
   "end_distance_m": 777.0,
   "start_elevation_m": 869.8068928063382,
   "end_elevation_m": 872.4508054226526,
   "min_gradient_pct": -23.433595595861334
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.916841888664862,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 761.0,
   "end_distance_m": 781.0,
   "start_elevation_m": 868.4406372231258,
   "end_elevation_m": 873.4240056008588,
   "min_gradient_pct": -11.859097208688922
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.446585350315218,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 767.0,
   "end_distance_m": 792.0,
   "start_elevation_m": 869.8068928063382,
   "end_elevation_m": 875.918539143917,
   "min_gradient_pct": -8.080371273891615
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.10642536637488,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 752.0,
   "end_distance_m": 802.0,
   "start_elevation_m": 866.6683178407266,
   "end_elevation_m": 877.721530523914,
   "min_gradient_pct": 0.5708713129010903
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.000971969411353,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 692.0,
   "end_distance_m": 792.0,
   "start_elevation_m": 857.9175671745056,
   "end_elevation_m": 875.918539143917,
   "min_gradient_pct": 2.5783883808103383
  }
 ],
 "shape": {
  "ascent_concentration": 0.453,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 80.0,
  "shape_class": "stepped"
 },
 "length_m": 931.5203596227566,
 "start_elevation_m": 818.8823721191372,
 "end_elevation_m": 889.3203311093723,
 "endpoint_gain_m": 70.43795899023507,
 "overall_gradient_pct": 7.5616123966158675,
 "accumulated_ascent_m": 75.40802030228656,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 28.250423149797825,
   "start_distance_m": 766.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 768.5,
   "start_elevation_m": 869.5764027960465,
   "end_elevation_m": 870.9889239535364,
   "start_xy": [
    2734606.6278938553,
    1245668.6590969393
   ],
   "end_xy": [
    2734608.034936949,
    1245663.861156784
   ]
  },
  "max_10m": {
   "gradient_pct": 26.439126163144238,
   "start_distance_m": 767.0,
   "end_distance_m": 777.0,
   "midpoint_distance_m": 772.0,
   "start_elevation_m": 869.8068928063382,
   "end_elevation_m": 872.4508054226526,
   "start_xy": [
    2734606.909302474,
    1245667.6995089082
   ],
   "end_xy": [
    2734609.723388661,
    1245658.103628598
   ]
  },
  "max_20m": {
   "gradient_pct": 24.916841888664862,
   "start_distance_m": 761.0,
   "end_distance_m": 781.0,
   "midpoint_distance_m": 771.0,
   "start_elevation_m": 868.4406372231258,
   "end_elevation_m": 873.4240056008588,
   "start_xy": [
    2734605.2777058794,
    1245673.4593875557
   ],
   "end_xy": [
    2734610.8490231363,
    1245654.2652764737
   ]
  },
  "max_25m": {
   "gradient_pct": 24.446585350315218,
   "start_distance_m": 767.0,
   "end_distance_m": 792.0,
   "midpoint_distance_m": 779.5,
   "start_elevation_m": 869.8068928063382,
   "end_elevation_m": 875.918539143917,
   "start_xy": [
    2734606.909302474,
    1245667.6995089082
   ],
   "end_xy": [
    2734618.8114950657,
    1245648.6626441
   ]
  },
  "max_50m": {
   "gradient_pct": 22.10642536637488,
   "start_distance_m": 752.0,
   "end_distance_m": 802.0,
   "midpoint_distance_m": 777.0,
   "start_elevation_m": 866.6683178407266,
   "end_elevation_m": 877.721530523914,
   "start_xy": [
    2734607.0888892226,
    1245682.2752604506
   ],
   "end_xy": [
    2734628.0404475527,
    1245651.1761239567
   ]
  },
  "max_100m": {
   "gradient_pct": 18.000971969411353,
   "start_distance_m": 692.0,
   "end_distance_m": 792.0,
   "midpoint_distance_m": 742.0,
   "start_elevation_m": 857.9175671745056,
   "end_elevation_m": 875.918539143917,
   "start_xy": [
    2734594.033316053,
    1245738.7425243657
   ],
   "end_xy": [
    2734618.8114950657,
    1245648.6626441
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -42.2190020879907,
   "start_distance_m": 650.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 652.5,
   "start_elevation_m": 853.4222210785251,
   "end_elevation_m": 851.3112709741256,
   "start_xy": [
    2734567.7014467,
    1245771.1784541183
   ],
   "end_xy": [
    2734570.1837556195,
    1245766.838161222
   ]
  },
  "min_10m": {
   "gradient_pct": -23.433595595861334,
   "start_distance_m": 645.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 650.0,
   "start_elevation_m": 853.6546305337117,
   "end_elevation_m": 851.3112709741256,
   "start_xy": [
    2734565.23050467,
    1245775.5204438402
   ],
   "end_xy": [
    2734570.1837556195,
    1245766.838161222
   ]
  },
  "min_20m": {
   "gradient_pct": -11.859097208688922,
   "start_distance_m": 635.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 645.0,
   "start_elevation_m": 853.6830904158634,
   "end_elevation_m": 851.3112709741256,
   "start_xy": [
    2734567.4435372883,
    1245785.272494221
   ],
   "end_xy": [
    2734570.1837556195,
    1245766.838161222
   ]
  },
  "min_25m": {
   "gradient_pct": -8.080371273891615,
   "start_distance_m": 630.0,
   "end_distance_m": 655.0,
   "midpoint_distance_m": 642.5,
   "start_elevation_m": 853.3313637925985,
   "end_elevation_m": 851.3112709741256,
   "start_xy": [
    2734568.5500535974,
    1245790.1485194115
   ],
   "end_xy": [
    2734570.1837556195,
    1245766.838161222
   ]
  },
  "min_50m": {
   "gradient_pct": 0.5708713129010903,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 818.8823721191372,
   "end_elevation_m": 819.1678077755878,
   "start_xy": [
    2734939.479,
    1246247.95
   ],
   "end_xy": [
    2734892.481438413,
    1246230.884561099
   ]
  },
  "min_100m": {
   "gradient_pct": 2.5783883808103383,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 818.8823721191372,
   "end_elevation_m": 821.4607604999476,
   "start_xy": [
    2734939.479,
    1246247.95
   ],
   "end_xy": [
    2734852.7284920216,
    1246200.6798445513
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 38.056144587199014,
   "start_distance_m": 790.0,
   "end_distance_m": 792.0,
   "midpoint_distance_m": 791.0,
   "start_elevation_m": 875.157416252173,
   "end_elevation_m": 875.918539143917,
   "start_xy": [
    2734616.844690958,
    1245648.6888857202
   ],
   "end_xy": [
    2734618.8114950657,
    1245648.6626441
   ]
  },
  "max_3m": {
   "gradient_pct": 32.98810633247058,
   "start_distance_m": 789.0,
   "end_distance_m": 792.0,
   "midpoint_distance_m": 790.5,
   "start_elevation_m": 874.9288959539429,
   "end_elevation_m": 875.918539143917,
   "start_xy": [
    2734615.9270514487,
    1245649.086299523
   ],
   "end_xy": [
    2734618.8114950657,
    1245648.6626441
   ]
  }
 },
 "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": {
  "structure_suppression": {
   "masked_fraction": 0.024,
   "windows_resited": [
    2.0,
    3.0,
    5.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    434.0,
    444.0
   ],
   [
    650.0,
    660.0
   ]
  ],
  "review": [],
  "extent": [
   "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_2019_2734-1245_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2019_2734-1246_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:52:27+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": [
   "2734-1245",
   "2734-1246"
  ],
  "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": "Schwellbrunn",
  "county": "Appenzell Ausserrhoden",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}