{
 "ocl_version": "0.1.0",
 "name": "Route de la Combe",
 "slug": "route-de-la-combe-3",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.90799288658718,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 925.0,
   "end_distance_m": 927.0,
   "start_elevation_m": 1061.4888161153472,
   "end_elevation_m": 1061.946975973079,
   "min_gradient_pct": 0.062446818606076704
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.120296737193712,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 854.0,
   "end_distance_m": 857.0,
   "start_elevation_m": 1048.7898639123007,
   "end_elevation_m": 1049.4534728144165,
   "min_gradient_pct": 0.2748518720560848
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.1305971036154,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 800.0,
   "end_distance_m": 805.0,
   "start_elevation_m": 1038.6462762437527,
   "end_elevation_m": 1039.7028060989335,
   "min_gradient_pct": 1.537160099483117
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 20.79699113835659,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 799.0,
   "end_distance_m": 809.0,
   "start_elevation_m": 1038.4415130195578,
   "end_elevation_m": 1040.5212121333934,
   "min_gradient_pct": 4.246899635834325
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.267981840538596,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 795.0,
   "end_distance_m": 815.0,
   "start_elevation_m": 1037.6463007446641,
   "end_elevation_m": 1041.6998971127719,
   "min_gradient_pct": 4.407155312960072
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.112391320230017,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 794.0,
   "end_distance_m": 819.0,
   "start_elevation_m": 1037.4559642065144,
   "end_elevation_m": 1042.484062036572,
   "min_gradient_pct": 4.539549083995553
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.49226326035432,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 789.0,
   "end_distance_m": 839.0,
   "start_elevation_m": 1036.579490875447,
   "end_elevation_m": 1046.325622505624,
   "min_gradient_pct": 5.118210645818181
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.766794392419115,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 780.0,
   "end_distance_m": 880.0,
   "start_elevation_m": 1035.1170649864932,
   "end_elevation_m": 1053.8838593789123,
   "min_gradient_pct": 6.6543107781534445
  }
 ],
 "shape": {
  "ascent_concentration": 0.342,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 412.0,
  "shape_class": "sustained"
 },
 "length_m": 928.314676651782,
 "start_elevation_m": 949.0126527099646,
 "end_elevation_m": 1062.1869472900084,
 "endpoint_gain_m": 113.1742945800438,
 "overall_gradient_pct": 12.19137189430609,
 "accumulated_ascent_m": 113.1771951935234,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.1305971036154,
   "start_distance_m": 800.0,
   "end_distance_m": 805.0,
   "midpoint_distance_m": 802.5,
   "start_elevation_m": 1038.6462762437527,
   "end_elevation_m": 1039.7028060989335,
   "start_xy": [
    2572865.153102847,
    1146728.5374194966
   ],
   "end_xy": [
    2572860.5177908773,
    1146730.3826543167
   ]
  },
  "max_10m": {
   "gradient_pct": 20.79699113835659,
   "start_distance_m": 799.0,
   "end_distance_m": 809.0,
   "midpoint_distance_m": 804.0,
   "start_elevation_m": 1038.4415130195578,
   "end_elevation_m": 1040.5212121333934,
   "start_xy": [
    2572866.0425558565,
    1146728.0803928636
   ],
   "end_xy": [
    2572856.650832479,
    1146731.4055943326
   ]
  },
  "max_20m": {
   "gradient_pct": 20.267981840538596,
   "start_distance_m": 795.0,
   "end_distance_m": 815.0,
   "midpoint_distance_m": 805.0,
   "start_elevation_m": 1037.6463007446641,
   "end_elevation_m": 1041.6998971127719,
   "start_xy": [
    2572868.876439394,
    1146725.332999277
   ],
   "end_xy": [
    2572850.8832186162,
    1146733.0589456593
   ]
  },
  "max_25m": {
   "gradient_pct": 20.112391320230017,
   "start_distance_m": 794.0,
   "end_distance_m": 819.0,
   "midpoint_distance_m": 806.5,
   "start_elevation_m": 1037.4559642065144,
   "end_elevation_m": 1042.484062036572,
   "start_xy": [
    2572869.4455173984,
    1146724.5115271835
   ],
   "end_xy": [
    2572847.052104119,
    1146734.2038292955
   ]
  },
  "max_50m": {
   "gradient_pct": 19.49226326035432,
   "start_distance_m": 789.0,
   "end_distance_m": 839.0,
   "midpoint_distance_m": 814.0,
   "start_elevation_m": 1036.579490875447,
   "end_elevation_m": 1046.325622505624,
   "start_xy": [
    2572871.3244906915,
    1146719.8807101764
   ],
   "end_xy": [
    2572828.8125957353,
    1146742.3221439037
   ]
  },
  "max_100m": {
   "gradient_pct": 18.766794392419115,
   "start_distance_m": 780.0,
   "end_distance_m": 880.0,
   "midpoint_distance_m": 830.0,
   "start_elevation_m": 1035.1170649864932,
   "end_elevation_m": 1053.8838593789123,
   "start_xy": [
    2572873.9654680123,
    1146711.2769783211
   ],
   "end_xy": [
    2572789.0082897404,
    1146749.7205555649
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": 1.537160099483117,
   "start_distance_m": 0.0,
   "end_distance_m": 5.0,
   "midpoint_distance_m": 2.5,
   "start_elevation_m": 949.0126527099646,
   "end_elevation_m": 949.0895107149388,
   "start_xy": [
    2572728.486,
    1146452.375
   ],
   "end_xy": [
    2572728.486484637,
    1146457.3749999765
   ]
  },
  "min_10m": {
   "gradient_pct": 4.246899635834325,
   "start_distance_m": 308.0,
   "end_distance_m": 318.0,
   "midpoint_distance_m": 313.0,
   "start_elevation_m": 974.5159495751711,
   "end_elevation_m": 974.9406395387546,
   "start_xy": [
    2572810.5556222615,
    1146562.8444783832
   ],
   "end_xy": [
    2572820.5358631928,
    1146562.8672934691
   ]
  },
  "min_20m": {
   "gradient_pct": 4.407155312960072,
   "start_distance_m": 297.0,
   "end_distance_m": 317.0,
   "midpoint_distance_m": 307.0,
   "start_elevation_m": 974.0126967192697,
   "end_elevation_m": 974.8941277818617,
   "start_xy": [
    2572799.833440695,
    1146565.2206138298
   ],
   "end_xy": [
    2572819.544346515,
    1146562.7373139437
   ]
  },
  "min_25m": {
   "gradient_pct": 4.539549083995553,
   "start_distance_m": 291.0,
   "end_distance_m": 316.0,
   "midpoint_distance_m": 303.5,
   "start_elevation_m": 973.7248140226477,
   "end_elevation_m": 974.8597012936466,
   "start_xy": [
    2572793.853469824,
    1146565.5721463985
   ],
   "end_xy": [
    2572818.548448608,
    1146562.668957115
   ]
  },
  "min_50m": {
   "gradient_pct": 5.118210645818181,
   "start_distance_m": 271.0,
   "end_distance_m": 321.0,
   "midpoint_distance_m": 296.0,
   "start_elevation_m": 972.5692789496031,
   "end_elevation_m": 975.1283842725122,
   "start_xy": [
    2572774.135028882,
    1146562.932665712
   ],
   "end_xy": [
    2572823.4933143086,
    1146563.3675970251
   ]
  },
  "min_100m": {
   "gradient_pct": 6.6543107781534445,
   "start_distance_m": 236.0,
   "end_distance_m": 336.0,
   "midpoint_distance_m": 286.0,
   "start_elevation_m": 969.5745530719988,
   "end_elevation_m": 976.2288638501523,
   "start_xy": [
    2572744.339369043,
    1146544.7052885306
   ],
   "end_xy": [
    2572834.257753774,
    1146571.267729029
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.90799288658718,
   "start_distance_m": 925.0,
   "end_distance_m": 927.0,
   "midpoint_distance_m": 926.0,
   "start_elevation_m": 1061.4888161153472,
   "end_elevation_m": 1061.946975973079,
   "start_xy": [
    2572752.5477796393,
    1146773.648913409
   ],
   "end_xy": [
    2572751.094980533,
    1146775.0234586997
   ]
  },
  "max_3m": {
   "gradient_pct": 22.120296737193712,
   "start_distance_m": 854.0,
   "end_distance_m": 857.0,
   "midpoint_distance_m": 855.5,
   "start_elevation_m": 1048.7898639123007,
   "end_elevation_m": 1049.4534728144165,
   "start_xy": [
    2572814.920588096,
    1146747.7527285835
   ],
   "end_xy": [
    2572811.9553364287,
    1146748.1916849255
   ]
  }
 },
 "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_2021_2572-1146_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T04:06:34+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-run7-260911",
  "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": [
   "2572-1146"
  ],
  "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": "Rossini\u00e8re",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}