{
 "ocl_version": "0.1.0",
 "name": "Chemin du Flumez",
 "slug": "chemin-du-flumez",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 50.88664948523842,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 776.0,
   "end_distance_m": 778.0,
   "start_elevation_m": 711.9080192132697,
   "end_elevation_m": 712.9257522029744,
   "min_gradient_pct": -14.357300325775668,
   "suppressed_max_gradient_pct": 55.52352368133597,
   "suppressed_location_m": [
    857.0,
    859.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 48.75800704202599,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 776.0,
   "end_distance_m": 779.0,
   "start_elevation_m": 711.9080192132697,
   "end_elevation_m": 713.3707594245304,
   "min_gradient_pct": -14.054654971641867
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 41.88690859518374,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 723.0,
   "end_distance_m": 728.0,
   "start_elevation_m": 699.5903011155201,
   "end_elevation_m": 701.6846465452793,
   "min_gradient_pct": -7.637698494977485
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 36.94614861977698,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 736.0,
   "end_distance_m": 746.0,
   "start_elevation_m": 702.6177921664674,
   "end_elevation_m": 706.3124070284451,
   "min_gradient_pct": -0.9165837383352482
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 32.12394534602822,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 736.0,
   "end_distance_m": 756.0,
   "start_elevation_m": 702.6177921664674,
   "end_elevation_m": 709.0425812356731,
   "min_gradient_pct": -0.6760689023633404
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 30.280992020580925,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 704.0,
   "end_distance_m": 729.0,
   "start_elevation_m": 694.4254642914914,
   "end_elevation_m": 701.9957122966366,
   "min_gradient_pct": -0.5175504636035839
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 28.501375645086,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 708.0,
   "end_distance_m": 758.0,
   "start_elevation_m": 695.3596482411893,
   "end_elevation_m": 709.6103360637323,
   "min_gradient_pct": 0.017447516381480455
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 24.95581085044614,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 679.0,
   "end_distance_m": 779.0,
   "start_elevation_m": 688.4149485740843,
   "end_elevation_m": 713.3707594245304,
   "min_gradient_pct": 0.8128071910383596
  }
 ],
 "shape": {
  "ascent_concentration": 0.382,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 472.0,
  "shape_class": "sustained"
 },
 "length_m": 1094.6195313578817,
 "start_elevation_m": 619.2478775000052,
 "end_elevation_m": 758.5202614821781,
 "endpoint_gain_m": 139.27238398217287,
 "overall_gradient_pct": 12.72336003445916,
 "accumulated_ascent_m": 141.1563115332167,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 41.88690859518374,
   "start_distance_m": 723.0,
   "end_distance_m": 728.0,
   "midpoint_distance_m": 725.5,
   "start_elevation_m": 699.5903011155201,
   "end_elevation_m": 701.6846465452793,
   "start_xy": [
    2557731.1895771357,
    1147961.2289715668
   ],
   "end_xy": [
    2557736.0567416693,
    1147960.0841093897
   ]
  },
  "max_10m": {
   "gradient_pct": 36.94614861977698,
   "start_distance_m": 736.0,
   "end_distance_m": 746.0,
   "midpoint_distance_m": 741.0,
   "start_elevation_m": 702.6177921664674,
   "end_elevation_m": 706.3124070284451,
   "start_xy": [
    2557743.8361972077,
    1147958.2236980654
   ],
   "end_xy": [
    2557753.3460198613,
    1147955.1312438457
   ]
  },
  "max_20m": {
   "gradient_pct": 32.12394534602822,
   "start_distance_m": 736.0,
   "end_distance_m": 756.0,
   "midpoint_distance_m": 746.0,
   "start_elevation_m": 702.6177921664674,
   "end_elevation_m": 709.0425812356731,
   "start_xy": [
    2557743.8361972077,
    1147958.2236980654
   ],
   "end_xy": [
    2557762.8558425144,
    1147952.0387896257
   ]
  },
  "max_25m": {
   "gradient_pct": 30.280992020580925,
   "start_distance_m": 704.0,
   "end_distance_m": 729.0,
   "midpoint_distance_m": 716.5,
   "start_elevation_m": 694.4254642914914,
   "end_elevation_m": 701.9957122966366,
   "start_xy": [
    2557712.6943519088,
    1147965.5794478396
   ],
   "end_xy": [
    2557737.030174576,
    1147959.8551369542
   ]
  },
  "max_50m": {
   "gradient_pct": 28.501375645086,
   "start_distance_m": 708.0,
   "end_distance_m": 758.0,
   "midpoint_distance_m": 733.0,
   "start_elevation_m": 695.3596482411893,
   "end_elevation_m": 709.6103360637323,
   "start_xy": [
    2557716.5880835354,
    1147964.663558098
   ],
   "end_xy": [
    2557764.7578070452,
    1147951.420298782
   ]
  },
  "max_100m": {
   "gradient_pct": 24.95581085044614,
   "start_distance_m": 679.0,
   "end_distance_m": 779.0,
   "midpoint_distance_m": 729.0,
   "start_elevation_m": 688.4149485740843,
   "end_elevation_m": 713.3707594245304,
   "start_xy": [
    2557688.3585292418,
    1147971.303758725
   ],
   "end_xy": [
    2557784.7145608333,
    1147944.884076076
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -7.637698494977485,
   "start_distance_m": 795.0,
   "end_distance_m": 800.0,
   "midpoint_distance_m": 797.5,
   "start_elevation_m": 716.5491244571298,
   "end_elevation_m": 716.1672395323809,
   "start_xy": [
    2557799.943526229,
    1147940.0473888868
   ],
   "end_xy": [
    2557804.900308895,
    1147939.3914120567
   ]
  },
  "min_10m": {
   "gradient_pct": -0.9165837383352482,
   "start_distance_m": 1.0,
   "end_distance_m": 11.0,
   "midpoint_distance_m": 6.0,
   "start_elevation_m": 619.2575688878665,
   "end_elevation_m": 619.1659105140329,
   "start_xy": [
    2557257.592926369,
    1147591.2104058452
   ],
   "end_xy": [
    2557267.5021900586,
    1147592.554464299
   ]
  },
  "min_20m": {
   "gradient_pct": -0.6760689023633404,
   "start_distance_m": 1.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 11.0,
   "start_elevation_m": 619.2575688878665,
   "end_elevation_m": 619.1223551073938,
   "start_xy": [
    2557257.592926369,
    1147591.2104058452
   ],
   "end_xy": [
    2557277.4114537486,
    1147593.8985227526
   ]
  },
  "min_25m": {
   "gradient_pct": -0.5175504636035839,
   "start_distance_m": 1.0,
   "end_distance_m": 26.0,
   "midpoint_distance_m": 13.5,
   "start_elevation_m": 619.2575688878665,
   "end_elevation_m": 619.1281812719656,
   "start_xy": [
    2557257.592926369,
    1147591.2104058452
   ],
   "end_xy": [
    2557282.366085593,
    1147594.5705519794
   ]
  },
  "min_50m": {
   "gradient_pct": 0.017447516381480455,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 619.2478775000052,
   "end_elevation_m": 619.2566012581959,
   "start_xy": [
    2557256.602,
    1147591.076
   ],
   "end_xy": [
    2557305.639909542,
    1147600.0307084068
   ]
  },
  "min_100m": {
   "gradient_pct": 0.8128071910383596,
   "start_distance_m": 0.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 50.0,
   "start_elevation_m": 619.2478775000052,
   "end_elevation_m": 620.0606846910435,
   "start_xy": [
    2557256.602,
    1147591.076
   ],
   "end_xy": [
    2557353.2133009275,
    1147615.4180262669
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 50.88664948523842,
   "start_distance_m": 776.0,
   "end_distance_m": 778.0,
   "midpoint_distance_m": 777.0,
   "start_elevation_m": 711.9080192132697,
   "end_elevation_m": 712.9257522029744,
   "start_xy": [
    2557781.869424926,
    1147945.8354969444
   ],
   "end_xy": [
    2557783.7661821977,
    1147945.2012163654
   ]
  },
  "max_3m": {
   "gradient_pct": 48.75800704202599,
   "start_distance_m": 776.0,
   "end_distance_m": 779.0,
   "midpoint_distance_m": 777.5,
   "start_elevation_m": 711.9080192132697,
   "end_elevation_m": 713.3707594245304,
   "start_xy": [
    2557781.869424926,
    1147945.8354969444
   ],
   "end_xy": [
    2557784.7145608333,
    1147944.884076076
   ]
  }
 },
 "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": 0.005,
   "windows_resited": [
    2.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    856.0,
    861.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "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_2557-1147_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2557-1148_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:25:10+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": [
   "2557-1147",
   "2557-1148"
  ],
  "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": "Blonay - Saint-L\u00e9gier",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}