{
 "ocl_version": "0.1.0",
 "name": "Discovered lane (46.4666, 6.9008)",
 "slug": "discovered-lane-46-4666-6-9008",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 23.35584091247256,
   "diagnostic": true,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 768.0,
   "end_distance_m": 770.0,
   "start_elevation_m": 697.6502866773588,
   "end_elevation_m": 698.1174034956083,
   "min_gradient_pct": -5.814133659600884,
   "suppressed_max_gradient_pct": 29.1785565894088,
   "suppressed_location_m": [
    722.0,
    724.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.88537561418404,
   "diagnostic": true,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 768.0,
   "end_distance_m": 771.0,
   "start_elevation_m": 697.6502866773588,
   "end_elevation_m": 698.3368479457844,
   "min_gradient_pct": -5.032000532329069,
   "suppressed_max_gradient_pct": 28.717427788630328,
   "suppressed_location_m": [
    721.0,
    724.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 20.213135125131885,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 768.0,
   "end_distance_m": 773.0,
   "start_elevation_m": 697.6502866773588,
   "end_elevation_m": 698.6609434336154,
   "min_gradient_pct": -2.6963981556718863,
   "suppressed_max_gradient_pct": 28.04857364885038,
   "suppressed_location_m": [
    720.0,
    725.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 12.916728017942205,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 613.0,
   "end_distance_m": 623.0,
   "start_elevation_m": 675.5501107989677,
   "end_elevation_m": 676.8417836007619,
   "min_gradient_pct": -0.6595249169652107,
   "suppressed_max_gradient_pct": 26.966273558897456,
   "suppressed_location_m": [
    717.0,
    727.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 12.187971164432838,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 602.0,
   "end_distance_m": 622.0,
   "start_elevation_m": 674.2735037733203,
   "end_elevation_m": 676.7110980062068,
   "min_gradient_pct": 0.9432929854585836,
   "suppressed_max_gradient_pct": 25.412356382204848,
   "suppressed_location_m": [
    717.0,
    737.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 12.062586339036443,
   "diagnostic": false,
   "flags": [
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 602.0,
   "end_distance_m": 627.0,
   "start_elevation_m": 674.2735037733203,
   "end_elevation_m": 677.2891503580794,
   "min_gradient_pct": 1.6887699896337836,
   "suppressed_max_gradient_pct": 25.339976588164973,
   "suppressed_location_m": [
    740.0,
    765.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 10.857089955473612,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 593.0,
   "end_distance_m": 643.0,
   "start_elevation_m": 673.361613772145,
   "end_elevation_m": 678.7901587498818,
   "min_gradient_pct": 2.528666192344872,
   "suppressed_max_gradient_pct": 25.149832836277938,
   "suppressed_location_m": [
    716.0,
    766.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 9.2833630596881,
   "diagnostic": false,
   "flags": [
    "texture_excluded"
   ],
   "start_distance_m": 207.0,
   "end_distance_m": 307.0,
   "start_elevation_m": 645.665271862033,
   "end_elevation_m": 654.9486349217211,
   "min_gradient_pct": 5.618582762867391,
   "suppressed_max_gradient_pct": 19.44802239302578,
   "suppressed_location_m": [
    676.0,
    776.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.373,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 87.0,
  "shape_class": "sustained"
 },
 "length_m": 776.3695477503151,
 "start_elevation_m": 629.2532628515611,
 "end_elevation_m": 699.06453222167,
 "endpoint_gain_m": 69.8112693701089,
 "overall_gradient_pct": 8.992015409723491,
 "accumulated_ascent_m": 70.05715599761493,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 20.213135125131885,
   "start_distance_m": 768.0,
   "end_distance_m": 773.0,
   "midpoint_distance_m": 770.5,
   "start_elevation_m": 697.6502866773588,
   "end_elevation_m": 698.6609434336154,
   "start_xy": [
    2558684.1304232515,
    1146294.4840593755
   ],
   "end_xy": [
    2558681.968273599,
    1146298.992396327
   ]
  },
  "max_10m": {
   "gradient_pct": 12.916728017942205,
   "start_distance_m": 613.0,
   "end_distance_m": 623.0,
   "midpoint_distance_m": 618.0,
   "start_elevation_m": 675.5501107989677,
   "end_elevation_m": 676.8417836007619,
   "start_xy": [
    2558656.555956806,
    1146179.6501779961
   ],
   "end_xy": [
    2558656.827964881,
    1146189.6464770858
   ]
  },
  "max_20m": {
   "gradient_pct": 12.187971164432838,
   "start_distance_m": 602.0,
   "end_distance_m": 622.0,
   "midpoint_distance_m": 612.0,
   "start_elevation_m": 674.2735037733203,
   "end_elevation_m": 676.7110980062068,
   "start_xy": [
    2558656.256958567,
    1146168.6542432348
   ],
   "end_xy": [
    2558656.800745481,
    1146188.6468476937
   ]
  },
  "max_25m": {
   "gradient_pct": 12.062586339036443,
   "start_distance_m": 602.0,
   "end_distance_m": 627.0,
   "midpoint_distance_m": 614.5,
   "start_elevation_m": 674.2735037733203,
   "end_elevation_m": 677.2891503580794,
   "start_xy": [
    2558656.256958567,
    1146168.6542432348
   ],
   "end_xy": [
    2558656.929747076,
    1146193.6451618765
   ]
  },
  "max_50m": {
   "gradient_pct": 10.857089955473612,
   "start_distance_m": 593.0,
   "end_distance_m": 643.0,
   "midpoint_distance_m": 618.0,
   "start_elevation_m": 673.361613772145,
   "end_elevation_m": 678.7901587498818,
   "start_xy": [
    2558656.0129608586,
    1146159.6575517713
   ],
   "end_xy": [
    2558655.2180610644,
    1146209.2312698476
   ]
  },
  "max_100m": {
   "gradient_pct": 9.2833630596881,
   "start_distance_m": 207.0,
   "end_distance_m": 307.0,
   "midpoint_distance_m": 257.0,
   "start_elevation_m": 645.665271862033,
   "end_elevation_m": 654.9486349217211,
   "start_xy": [
    2558488.9200305934,
    1146220.9339001789
   ],
   "end_xy": [
    2558466.7130144914,
    1146317.5255573557
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -2.6963981556718863,
   "start_distance_m": 319.0,
   "end_distance_m": 324.0,
   "midpoint_distance_m": 321.5,
   "start_elevation_m": 655.6706713762572,
   "end_elevation_m": 655.5358514684737,
   "start_xy": [
    2558467.8875233685,
    1146328.6547689375
   ],
   "end_xy": [
    2558472.1170401652,
    1146325.9880998968
   ]
  },
  "min_10m": {
   "gradient_pct": -0.6595249169652107,
   "start_distance_m": 319.0,
   "end_distance_m": 329.0,
   "midpoint_distance_m": 324.0,
   "start_elevation_m": 655.6706713762572,
   "end_elevation_m": 655.6047188845607,
   "start_xy": [
    2558467.8875233685,
    1146328.6547689375
   ],
   "end_xy": [
    2558476.35443992,
    1146323.3339638757
   ]
  },
  "min_20m": {
   "gradient_pct": 0.9432929854585836,
   "start_distance_m": 318.0,
   "end_distance_m": 338.0,
   "midpoint_distance_m": 328.0,
   "start_elevation_m": 655.6498105989261,
   "end_elevation_m": 655.8384691960179,
   "start_xy": [
    2558467.006493328,
    1146328.520734543
   ],
   "end_xy": [
    2558483.981957869,
    1146318.5568365229
   ]
  },
  "min_25m": {
   "gradient_pct": 1.6887699896337836,
   "start_distance_m": 318.0,
   "end_distance_m": 343.0,
   "midpoint_distance_m": 330.5,
   "start_elevation_m": 655.6498105989261,
   "end_elevation_m": 656.0720030963346,
   "start_xy": [
    2558467.006493328,
    1146328.520734543
   ],
   "end_xy": [
    2558488.2193064154,
    1146315.9026182706
   ]
  },
  "min_50m": {
   "gradient_pct": 2.528666192344872,
   "start_distance_m": 645.0,
   "end_distance_m": 695.0,
   "midpoint_distance_m": 670.0,
   "start_elevation_m": 678.9142562523448,
   "end_elevation_m": 680.1785893485172,
   "start_xy": [
    2558654.2838485073,
    1146210.9996722047
   ],
   "end_xy": [
    2558630.441595686,
    1146254.9386118634
   ]
  },
  "min_100m": {
   "gradient_pct": 5.618582762867391,
   "start_distance_m": 312.0,
   "end_distance_m": 412.0,
   "midpoint_distance_m": 362.0,
   "start_elevation_m": 655.324639193782,
   "end_elevation_m": 660.9432219566494,
   "start_xy": [
    2558466.8430225383,
    1146322.5238668604
   ],
   "end_xy": [
    2558520.579684221,
    1146256.3752894627
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 23.35584091247256,
   "start_distance_m": 768.0,
   "end_distance_m": 770.0,
   "midpoint_distance_m": 769.0,
   "start_elevation_m": 697.6502866773588,
   "end_elevation_m": 698.1174034956083,
   "start_xy": [
    2558684.1304232515,
    1146294.4840593755
   ],
   "end_xy": [
    2558683.26532849,
    1146296.2872817174
   ]
  },
  "max_3m": {
   "gradient_pct": 22.88537561418404,
   "start_distance_m": 768.0,
   "end_distance_m": 771.0,
   "midpoint_distance_m": 769.5,
   "start_elevation_m": 697.6502866773588,
   "end_elevation_m": 698.3368479457844,
   "start_xy": [
    2558684.1304232515,
    1146294.4840593755
   ],
   "end_xy": [
    2558682.8333777296,
    1146297.189178907
   ]
  }
 },
 "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": {
  "texture_suppression": {
   "masked_fraction": 0.104,
   "windows_resited": [
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 740.0,
     "end_m": 765.0,
     "raw_pct": 25.34,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 717.0,
     "end_m": 737.0,
     "raw_pct": 25.41,
     "reason": "hump"
    },
    {
     "window_m": 25.0,
     "start_m": 689.0,
     "end_m": 714.0,
     "raw_pct": 16.97,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "excluded_ranges_m": [
   [
    687.0,
    767.0
   ]
  ],
  "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_2021_2558-1146_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-15T21:40:31+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/switzerland-2026-09-10.osm.pbf",
  "osm_snapshot": "2026-09-09T20:21:20Z",
  "run_id": "retro-260915-dogleg-all",
  "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": [
   "2558-1146"
  ],
  "climb_origin": "discovered",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "structure_own_ways": "none \u2014 the route carried no way list; own decks unmasked",
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Blonay - Saint-L\u00e9gier",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}