{
 "ocl_version": "0.1.0",
 "name": "Chemin Bottai",
 "slug": "chemin-bottai",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 42.50418061517962,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 95.0,
   "end_distance_m": 97.0,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 547.5830340342496,
   "min_gradient_pct": -3.7602150548934787,
   "suppressed_max_gradient_pct": 54.08234771846878,
   "suppressed_location_m": [
    90.0,
    92.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 37.66765139804799,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 95.0,
   "end_distance_m": 98.0,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 547.8629799638875,
   "min_gradient_pct": -3.799364641137496,
   "suppressed_max_gradient_pct": 54.79741163986015,
   "suppressed_location_m": [
    89.0,
    92.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 31.56230075992653,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 95.0,
   "end_distance_m": 100.0,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 548.3110654599424,
   "min_gradient_pct": -3.4989068990239502,
   "suppressed_max_gradient_pct": 49.030147802263855,
   "suppressed_location_m": [
    88.0,
    93.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 26.624890170376148,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 27.0,
   "end_distance_m": 37.0,
   "start_elevation_m": 528.614823761631,
   "end_elevation_m": 531.2773127786686,
   "min_gradient_pct": -3.3771748194010343,
   "suppressed_max_gradient_pct": 43.04426249336416,
   "suppressed_location_m": [
    87.0,
    97.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 25.443883907605027,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 28.0,
   "end_distance_m": 48.0,
   "start_elevation_m": 528.8648046952405,
   "end_elevation_m": 533.9535814767615,
   "min_gradient_pct": -2.978838558385064,
   "suppressed_max_gradient_pct": 34.29104006501859,
   "suppressed_location_m": [
    79.0,
    99.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.604770683111383,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 27.0,
   "end_distance_m": 52.0,
   "start_elevation_m": 528.614823761631,
   "end_elevation_m": 535.0160164324088,
   "min_gradient_pct": -1.1995826210450105,
   "suppressed_max_gradient_pct": 32.177300091458164,
   "suppressed_location_m": [
    75.0,
    100.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 24.389557778077688,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 27.0,
   "end_distance_m": 77.0,
   "start_elevation_m": 528.614823761631,
   "end_elevation_m": 540.8096026506698,
   "min_gradient_pct": 0.9242433075771714,
   "suppressed_max_gradient_pct": 27.81879697425188,
   "suppressed_location_m": [
    48.0,
    98.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 15.89580787903958,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 95.0,
   "end_distance_m": 195.0,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 562.6287583009856,
   "min_gradient_pct": 1.0940042831425671,
   "suppressed_max_gradient_pct": 24.448818770063554,
   "suppressed_location_m": [
    25.0,
    125.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.592,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 191.0,
  "shape_class": "stepped"
 },
 "length_m": 376.2798011524385,
 "start_elevation_m": 528.5371295985465,
 "end_elevation_m": 567.4490038671855,
 "endpoint_gain_m": 38.91187426863905,
 "overall_gradient_pct": 10.341207300913576,
 "accumulated_ascent_m": 39.644644846233746,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 31.56230075992653,
   "start_distance_m": 95.0,
   "end_distance_m": 100.0,
   "midpoint_distance_m": 97.5,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 548.3110654599424,
   "start_xy": [
    2558800.6354885176,
    1144281.971106228
   ],
   "end_xy": [
    2558805.3029187755,
    1144280.1780396986
   ]
  },
  "max_10m": {
   "gradient_pct": 26.624890170376148,
   "start_distance_m": 27.0,
   "end_distance_m": 37.0,
   "midpoint_distance_m": 32.0,
   "start_elevation_m": 528.614823761631,
   "end_elevation_m": 531.2773127786686,
   "start_xy": [
    2558748.138584005,
    1144324.2403136622
   ],
   "end_xy": [
    2558754.70477659,
    1144316.698092351
   ]
  },
  "max_20m": {
   "gradient_pct": 25.443883907605027,
   "start_distance_m": 28.0,
   "end_distance_m": 48.0,
   "midpoint_distance_m": 38.0,
   "start_elevation_m": 528.8648046952405,
   "end_elevation_m": 533.9535814767615,
   "start_xy": [
    2558748.7950166543,
    1144323.4859290286
   ],
   "end_xy": [
    2558762.4612632194,
    1144308.9017087999
   ]
  },
  "max_25m": {
   "gradient_pct": 25.604770683111383,
   "start_distance_m": 27.0,
   "end_distance_m": 52.0,
   "midpoint_distance_m": 39.5,
   "start_elevation_m": 528.614823761631,
   "end_elevation_m": 535.0160164324088,
   "start_xy": [
    2558748.138584005,
    1144324.2403136622
   ],
   "end_xy": [
    2558765.3067628257,
    1144306.0904588955
   ]
  },
  "max_50m": {
   "gradient_pct": 24.389557778077688,
   "start_distance_m": 27.0,
   "end_distance_m": 77.0,
   "midpoint_distance_m": 52.0,
   "start_elevation_m": 528.614823761631,
   "end_elevation_m": 540.8096026506698,
   "start_xy": [
    2558748.138584005,
    1144324.2403136622
   ],
   "end_xy": [
    2558785.271667791,
    1144291.0573694871
   ]
  },
  "max_100m": {
   "gradient_pct": 15.89580787903958,
   "start_distance_m": 95.0,
   "end_distance_m": 195.0,
   "midpoint_distance_m": 145.0,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 562.6287583009856,
   "start_xy": [
    2558800.6354885176,
    1144281.971106228
   ],
   "end_xy": [
    2558891.0617303476,
    1144240.6937941723
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -3.4989068990239502,
   "start_distance_m": 14.0,
   "end_distance_m": 19.0,
   "midpoint_distance_m": 16.5,
   "start_elevation_m": 528.1633724647766,
   "end_elevation_m": 527.9884271198254,
   "start_xy": [
    2558742.551627184,
    1144335.3292525338
   ],
   "end_xy": [
    2558743.0212419755,
    1144330.3679911506
   ]
  },
  "min_10m": {
   "gradient_pct": -3.3771748194010343,
   "start_distance_m": 8.0,
   "end_distance_m": 18.0,
   "midpoint_distance_m": 13.0,
   "start_elevation_m": 528.3630522315868,
   "end_elevation_m": 528.0253347496467,
   "start_xy": [
    2558742.0836489443,
    1144341.3109743902
   ],
   "end_xy": [
    2558742.863612677,
    1144331.3414379628
   ]
  },
  "min_20m": {
   "gradient_pct": -2.978838558385064,
   "start_distance_m": 1.0,
   "end_distance_m": 21.0,
   "midpoint_distance_m": 11.0,
   "start_elevation_m": 528.5242767530053,
   "end_elevation_m": 527.9285090413283,
   "start_xy": [
    2558741.537596573,
    1144348.289643803
   ],
   "end_xy": [
    2558744.19866401,
    1144328.7654677872
   ]
  },
  "min_25m": {
   "gradient_pct": -1.1995826210450105,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 528.5371295985465,
   "end_elevation_m": 528.2372339432852,
   "start_xy": [
    2558741.4596002,
    1144349.2865974456
   ],
   "end_xy": [
    2558746.825243092,
    1144325.7486687629
   ]
  },
  "min_50m": {
   "gradient_pct": 0.9242433075771714,
   "start_distance_m": 301.0,
   "end_distance_m": 351.0,
   "midpoint_distance_m": 326.0,
   "start_elevation_m": 566.2772983671518,
   "end_elevation_m": 566.7394200209404,
   "start_xy": [
    2558970.79966191,
    1144172.1127412256
   ],
   "end_xy": [
    2559011.757438668,
    1144143.4341766099
   ]
  },
  "min_100m": {
   "gradient_pct": 1.0940042831425671,
   "start_distance_m": 253.0,
   "end_distance_m": 353.0,
   "midpoint_distance_m": 303.0,
   "start_elevation_m": 565.6719037675308,
   "end_elevation_m": 566.7659080506734,
   "start_xy": [
    2558931.480282674,
    1144199.644285748
   ],
   "end_xy": [
    2559013.395714477,
    1144142.286983644
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 42.50418061517962,
   "start_distance_m": 95.0,
   "end_distance_m": 97.0,
   "midpoint_distance_m": 96.0,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 547.5830340342496,
   "start_xy": [
    2558800.6354885176,
    1144281.971106228
   ],
   "end_xy": [
    2558802.502454313,
    1144281.2538627025
   ]
  },
  "max_3m": {
   "gradient_pct": 37.66765139804799,
   "start_distance_m": 95.0,
   "end_distance_m": 98.0,
   "midpoint_distance_m": 96.5,
   "start_elevation_m": 546.732950421946,
   "end_elevation_m": 547.8629799638875,
   "start_xy": [
    2558800.6354885176,
    1144281.971106228
   ],
   "end_xy": [
    2558803.435867341,
    1144280.8950594133
   ]
  }
 },
 "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": 0.016,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    89.0,
    94.0
   ]
  ],
  "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_2558-1144_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2559-1144_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-11T06:44:05+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-extent-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": [
   "2558-1144",
   "2559-1144"
  ],
  "route_base_cut_m": 132.2,
  "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": "Montreux",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}