{
 "ocl_version": "0.1.0",
 "name": "Chemin des Pr\u00e9s Communaux",
 "slug": "chemin-des-pres-communaux",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 25.71802786072226,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 526.0,
   "end_distance_m": 528.0,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 763.8515511458916,
   "min_gradient_pct": -1.2503897975705058
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 24.892058594874317,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 526.0,
   "end_distance_m": 529.0,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 764.0839523465233,
   "min_gradient_pct": -1.1226622210832222
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 24.59395207495163,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 526.0,
   "end_distance_m": 531.0,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 764.5668881924247,
   "min_gradient_pct": -0.7044578805516721
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 24.04581389413238,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 526.0,
   "end_distance_m": 536.0,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 765.7417719780904,
   "min_gradient_pct": -0.5164892747700378
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 23.283566347213878,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 520.0,
   "end_distance_m": 540.0,
   "start_elevation_m": 761.9968034641246,
   "end_elevation_m": 766.6535167335674,
   "min_gradient_pct": 0.3751812765659679
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 22.958775825261455,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 515.0,
   "end_distance_m": 540.0,
   "start_elevation_m": 760.913822777252,
   "end_elevation_m": 766.6535167335674,
   "min_gradient_pct": 0.6944785917326044
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.838559891024715,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 496.0,
   "end_distance_m": 546.0,
   "start_elevation_m": 757.4050626748184,
   "end_elevation_m": 767.8243426203308,
   "min_gradient_pct": 2.2514477501983947
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 18.262224133401787,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 480.0,
   "end_distance_m": 580.0,
   "start_elevation_m": 755.2996289452844,
   "end_elevation_m": 773.5618530786862,
   "min_gradient_pct": 5.014569777740348
  }
 ],
 "shape": {
  "ascent_concentration": 0.352,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 168.0,
  "shape_class": "sustained"
 },
 "length_m": 581.5719946276522,
 "start_elevation_m": 706.1336000903165,
 "end_elevation_m": 773.7199498837979,
 "endpoint_gain_m": 67.58634979348142,
 "overall_gradient_pct": 11.621321249616422,
 "accumulated_ascent_m": 67.72694211954445,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 24.59395207495163,
   "start_distance_m": 526.0,
   "end_distance_m": 531.0,
   "midpoint_distance_m": 528.5,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 764.5668881924247,
   "start_xy": [
    2567379.7541553625,
    1126388.1114723962
   ],
   "end_xy": [
    2567381.2151121376,
    1126392.8931686126
   ]
  },
  "max_10m": {
   "gradient_pct": 24.04581389413238,
   "start_distance_m": 526.0,
   "end_distance_m": 536.0,
   "midpoint_distance_m": 531.0,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 765.7417719780904,
   "start_xy": [
    2567379.7541553625,
    1126388.1114723962
   ],
   "end_xy": [
    2567382.046752606,
    1126397.8140214332
   ]
  },
  "max_20m": {
   "gradient_pct": 23.283566347213878,
   "start_distance_m": 520.0,
   "end_distance_m": 540.0,
   "midpoint_distance_m": 530.0,
   "start_elevation_m": 761.9968034641246,
   "end_elevation_m": 766.6535167335674,
   "start_xy": [
    2567378.236765551,
    1126382.3070486246
   ],
   "end_xy": [
    2567381.6006183224,
    1126401.7568949717
   ]
  },
  "max_25m": {
   "gradient_pct": 22.958775825261455,
   "start_distance_m": 515.0,
   "end_distance_m": 540.0,
   "midpoint_distance_m": 527.5,
   "start_elevation_m": 760.913822777252,
   "end_elevation_m": 766.6535167335674,
   "start_xy": [
    2567377.2806260074,
    1126377.4020859536
   ],
   "end_xy": [
    2567381.6006183224,
    1126401.7568949717
   ]
  },
  "max_50m": {
   "gradient_pct": 20.838559891024715,
   "start_distance_m": 496.0,
   "end_distance_m": 546.0,
   "midpoint_distance_m": 521.0,
   "start_elevation_m": 757.4050626748184,
   "end_elevation_m": 767.8243426203308,
   "start_xy": [
    2567378.1474435255,
    1126358.5486937687
   ],
   "end_xy": [
    2567379.6138773174,
    1126407.4138584873
   ]
  },
  "max_100m": {
   "gradient_pct": 18.262224133401787,
   "start_distance_m": 480.0,
   "end_distance_m": 580.0,
   "midpoint_distance_m": 530.0,
   "start_elevation_m": 755.2996289452844,
   "end_elevation_m": 773.5618530786862,
   "start_xy": [
    2567382.304706892,
    1126343.1026401748
   ],
   "end_xy": [
    2567378.06102575,
    1126439.9374980102
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.7044578805516721,
   "start_distance_m": 248.0,
   "end_distance_m": 253.0,
   "midpoint_distance_m": 250.5,
   "start_elevation_m": 741.2709399819487,
   "end_elevation_m": 741.2357170879211,
   "start_xy": [
    2567302.6758558676,
    1126257.236060627
   ],
   "end_xy": [
    2567305.8710577413,
    1126253.3906339111
   ]
  },
  "min_10m": {
   "gradient_pct": -0.5164892747700378,
   "start_distance_m": 244.0,
   "end_distance_m": 254.0,
   "midpoint_distance_m": 249.0,
   "start_elevation_m": 741.2774319280022,
   "end_elevation_m": 741.2257830005252,
   "start_xy": [
    2567299.7567397635,
    1126259.9497991635
   ],
   "end_xy": [
    2567306.499607118,
    1126252.6128642273
   ]
  },
  "min_20m": {
   "gradient_pct": 0.3751812765659679,
   "start_distance_m": 242.0,
   "end_distance_m": 262.0,
   "midpoint_distance_m": 252.0,
   "start_elevation_m": 741.2558003035001,
   "end_elevation_m": 741.3308365588133,
   "start_xy": [
    2567298.076760484,
    1126261.028113045
   ],
   "end_xy": [
    2567311.5791792176,
    1126246.4326121686
   ]
  },
  "min_25m": {
   "gradient_pct": 0.6944785917326044,
   "start_distance_m": 242.0,
   "end_distance_m": 267.0,
   "midpoint_distance_m": 254.5,
   "start_elevation_m": 741.2558003035001,
   "end_elevation_m": 741.4294199514333,
   "start_xy": [
    2567298.076760484,
    1126261.028113045
   ],
   "end_xy": [
    2567314.771825263,
    1126242.5846242337
   ]
  },
  "min_50m": {
   "gradient_pct": 2.2514477501983947,
   "start_distance_m": 408.0,
   "end_distance_m": 458.0,
   "midpoint_distance_m": 433.0,
   "start_elevation_m": 752.3770772559824,
   "end_elevation_m": 753.5028011310816,
   "start_xy": [
    2567406.3966125837,
    1126275.3694147938
   ],
   "end_xy": [
    2567388.2412462034,
    1126321.9196052074
   ]
  },
  "min_100m": {
   "gradient_pct": 5.014569777740348,
   "start_distance_m": 240.0,
   "end_distance_m": 340.0,
   "midpoint_distance_m": 290.0,
   "start_elevation_m": 741.1788376142689,
   "end_elevation_m": 746.1934073920092,
   "start_xy": [
    2567296.2544367486,
    1126261.85221025
   ],
   "end_xy": [
    2567371.5960771944,
    1126224.8153246911
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 25.71802786072226,
   "start_distance_m": 526.0,
   "end_distance_m": 528.0,
   "midpoint_distance_m": 527.0,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 763.8515511458916,
   "start_xy": [
    2567379.7541553625,
    1126388.1114723962
   ],
   "end_xy": [
    2567380.3354253382,
    1126390.0250418484
   ]
  },
  "max_3m": {
   "gradient_pct": 24.892058594874317,
   "start_distance_m": 526.0,
   "end_distance_m": 529.0,
   "midpoint_distance_m": 527.5,
   "start_elevation_m": 763.3371905886771,
   "end_elevation_m": 764.0839523465233,
   "start_xy": [
    2567379.7541553625,
    1126388.1114723962
   ],
   "end_xy": [
    2567380.6286542714,
    1126390.9810841032
   ]
  }
 },
 "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_2567-1126_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T02:16:13+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": [
   "2567-1126"
  ],
  "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": "Ollon",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}