{
 "ocl_version": "0.1.0",
 "name": "Route de la Croisette",
 "slug": "route-de-la-croisette",
 "confidence": "A",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 22.757026115061763,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 833.0,
   "end_distance_m": 835.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1062.187013924055,
   "min_gradient_pct": -2.0806698087767472
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 22.682088489636953,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 833.0,
   "end_distance_m": 836.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1062.4123360564429,
   "min_gradient_pct": -1.7229092426153632
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 21.73391191752671,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 833.0,
   "end_distance_m": 838.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1062.81856899763,
   "min_gradient_pct": -0.724520989786015
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.452702261444756,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 833.0,
   "end_distance_m": 843.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1063.8771436278982,
   "min_gradient_pct": -0.006220814195785351
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 20.71467822509817,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 833.0,
   "end_distance_m": 853.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1065.8748090467734,
   "min_gradient_pct": 0.42416217366962883
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 20.37016798339937,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 824.0,
   "end_distance_m": 849.0,
   "start_elevation_m": 1060.051357316166,
   "end_elevation_m": 1065.143899312016,
   "min_gradient_pct": 0.41988342192598793
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 19.49750621058638,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 804.0,
   "end_distance_m": 854.0,
   "start_elevation_m": 1056.3355532192527,
   "end_elevation_m": 1066.0843063245459,
   "min_gradient_pct": 0.7692125477378795
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.548367313835115,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 758.0,
   "end_distance_m": 858.0,
   "start_elevation_m": 1049.2500085646693,
   "end_elevation_m": 1066.7983758785044,
   "min_gradient_pct": 1.1451551731049676
  }
 ],
 "shape": {
  "ascent_concentration": 0.427,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 352.0,
  "shape_class": "sustained"
 },
 "length_m": 995.2641980727008,
 "start_elevation_m": 992.6975606445297,
 "end_elevation_m": 1086.2925412245881,
 "endpoint_gain_m": 93.5949805800584,
 "overall_gradient_pct": 9.40403369892158,
 "accumulated_ascent_m": 93.80606853593758,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 21.73391191752671,
   "start_distance_m": 833.0,
   "end_distance_m": 838.0,
   "midpoint_distance_m": 835.5,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1062.81856899763,
   "start_xy": [
    2581946.7469841144,
    1148850.6574878034
   ],
   "end_xy": [
    2581941.8545924923,
    1148851.6873748759
   ]
  },
  "max_10m": {
   "gradient_pct": 21.452702261444756,
   "start_distance_m": 833.0,
   "end_distance_m": 843.0,
   "midpoint_distance_m": 838.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1063.8771436278982,
   "start_xy": [
    2581946.7469841144,
    1148850.6574878034
   ],
   "end_xy": [
    2581936.985131392,
    1148852.8224293191
   ]
  },
  "max_20m": {
   "gradient_pct": 20.71467822509817,
   "start_distance_m": 833.0,
   "end_distance_m": 853.0,
   "midpoint_distance_m": 843.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1065.8748090467734,
   "start_xy": [
    2581946.7469841144,
    1148850.6574878034
   ],
   "end_xy": [
    2581927.4706069846,
    1148855.871222069
   ]
  },
  "max_25m": {
   "gradient_pct": 20.37016798339937,
   "start_distance_m": 824.0,
   "end_distance_m": 849.0,
   "midpoint_distance_m": 836.5,
   "start_elevation_m": 1060.051357316166,
   "end_elevation_m": 1065.143899312016,
   "start_xy": [
    2581955.5774799227,
    1148848.9292010076
   ],
   "end_xy": [
    2581931.2519934005,
    1148854.5669533953
   ]
  },
  "max_50m": {
   "gradient_pct": 19.49750621058638,
   "start_distance_m": 804.0,
   "end_distance_m": 854.0,
   "midpoint_distance_m": 829.0,
   "start_elevation_m": 1056.3355532192527,
   "end_elevation_m": 1066.0843063245459,
   "start_xy": [
    2581975.4869087054,
    1148847.583815082
   ],
   "end_xy": [
    2581926.535797482,
    1148856.2245589297
   ]
  },
  "max_100m": {
   "gradient_pct": 17.548367313835115,
   "start_distance_m": 758.0,
   "end_distance_m": 858.0,
   "midpoint_distance_m": 808.0,
   "start_elevation_m": 1049.2500085646693,
   "end_elevation_m": 1066.7983758785044,
   "start_xy": [
    2582021.4060952575,
    1148849.9833363064
   ],
   "end_xy": [
    2581922.8598933886,
    1148857.8018125864
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -0.724520989786015,
   "start_distance_m": 306.0,
   "end_distance_m": 311.0,
   "midpoint_distance_m": 308.5,
   "start_elevation_m": 1017.2448498010797,
   "end_elevation_m": 1017.2086237515904,
   "start_xy": [
    2582458.8322880543,
    1148857.8959891684
   ],
   "end_xy": [
    2582454.741652404,
    1148860.7271646035
   ]
  },
  "min_10m": {
   "gradient_pct": -0.006220814195785351,
   "start_distance_m": 305.0,
   "end_distance_m": 315.0,
   "midpoint_distance_m": 310.0,
   "start_elevation_m": 1017.2297921821317,
   "end_elevation_m": 1017.2291701007122,
   "start_xy": [
    2582459.5810302673,
    1148857.2331278718
   ],
   "end_xy": [
    2582451.272116361,
    1148862.7177222262
   ]
  },
  "min_20m": {
   "gradient_pct": 0.42416217366962883,
   "start_distance_m": 306.0,
   "end_distance_m": 326.0,
   "midpoint_distance_m": 316.0,
   "start_elevation_m": 1017.2448498010797,
   "end_elevation_m": 1017.3296822358136,
   "start_xy": [
    2582458.8322880543,
    1148857.8959891684
   ],
   "end_xy": [
    2582441.730139086,
    1148868.1904345418
   ]
  },
  "min_25m": {
   "gradient_pct": 0.41988342192598793,
   "start_distance_m": 306.0,
   "end_distance_m": 331.0,
   "midpoint_distance_m": 318.5,
   "start_elevation_m": 1017.2448498010797,
   "end_elevation_m": 1017.3498206565612,
   "start_xy": [
    2582458.8322880543,
    1148857.8959891684
   ],
   "end_xy": [
    2582437.379615201,
    1148870.6547685144
   ]
  },
  "min_50m": {
   "gradient_pct": 0.7692125477378795,
   "start_distance_m": 305.0,
   "end_distance_m": 355.0,
   "midpoint_distance_m": 330.0,
   "start_elevation_m": 1017.2297921821317,
   "end_elevation_m": 1017.6143984560007,
   "start_xy": [
    2582459.5810302673,
    1148857.2331278718
   ],
   "end_xy": [
    2582415.2421377557,
    1148879.6352942295
   ]
  },
  "min_100m": {
   "gradient_pct": 1.1451551731049676,
   "start_distance_m": 303.0,
   "end_distance_m": 403.0,
   "midpoint_distance_m": 353.0,
   "start_elevation_m": 1017.1850636871632,
   "end_elevation_m": 1018.3302188602681,
   "start_xy": [
    2582461.0192089677,
    1148855.8618331926
   ],
   "end_xy": [
    2582367.7864428153,
    1148879.4588693622
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 22.757026115061763,
   "start_distance_m": 833.0,
   "end_distance_m": 835.0,
   "midpoint_distance_m": 834.0,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1062.187013924055,
   "start_xy": [
    2581946.7469841144,
    1148850.6574878034
   ],
   "end_xy": [
    2581944.786989981,
    1148851.0555116674
   ]
  },
  "max_3m": {
   "gradient_pct": 22.682088489636953,
   "start_distance_m": 833.0,
   "end_distance_m": 836.0,
   "midpoint_distance_m": 834.5,
   "start_elevation_m": 1061.7318734017538,
   "end_elevation_m": 1062.4123360564429,
   "start_xy": [
    2581946.7469841144,
    1148850.6574878034
   ],
   "end_xy": [
    2581943.806992914,
    1148851.2545235993
   ]
  }
 },
 "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_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_2581-1148_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2582-1148_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T20:07:13+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-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": [
   "2581-1148",
   "2582-1148"
  ],
  "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": "Rougemont",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}