{
 "ocl_version": "0.1.0",
 "name": "Route de Valleyre",
 "slug": "route-de-valleyre",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 44.28256113287716,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 862.0,
   "end_distance_m": 864.0,
   "start_elevation_m": 525.1355084178206,
   "end_elevation_m": 526.0211596404781,
   "min_gradient_pct": -60.51787004564062,
   "suppressed_max_gradient_pct": 66.78446796709636,
   "suppressed_location_m": [
    44.0,
    46.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.303759008097735,
   "diagnostic": true,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 862.0,
   "end_distance_m": 865.0,
   "start_elevation_m": 525.1355084178206,
   "end_elevation_m": 526.1646211880635,
   "min_gradient_pct": -57.98310146221487,
   "suppressed_max_gradient_pct": 66.25918605862655,
   "suppressed_location_m": [
    43.0,
    46.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.866827940641542,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 861.0,
   "end_distance_m": 866.0,
   "start_elevation_m": 525.0465817824072,
   "end_elevation_m": 526.3899231794393,
   "min_gradient_pct": -47.88176782549613,
   "suppressed_max_gradient_pct": 64.64434791652934,
   "suppressed_location_m": [
    42.0,
    47.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.786386536889268,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1095.0,
   "end_distance_m": 1105.0,
   "start_elevation_m": 570.730951363333,
   "end_elevation_m": 573.309590017022,
   "min_gradient_pct": -38.48305016167956,
   "suppressed_max_gradient_pct": 62.66593432831712,
   "suppressed_location_m": [
    42.0,
    52.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.46755565222702,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1085.0,
   "end_distance_m": 1105.0,
   "start_elevation_m": 568.4160788865765,
   "end_elevation_m": 573.309590017022,
   "min_gradient_pct": -21.425288322714096,
   "suppressed_max_gradient_pct": 46.03019777050946,
   "suppressed_location_m": [
    41.0,
    61.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.240087565999602,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 1080.0,
   "end_distance_m": 1105.0,
   "start_elevation_m": 567.249568125522,
   "end_elevation_m": 573.309590017022,
   "min_gradient_pct": -18.13438933484258,
   "suppressed_max_gradient_pct": 38.33195659264584,
   "suppressed_location_m": [
    41.0,
    66.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 23.81801776595239,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1061.0,
   "end_distance_m": 1111.0,
   "start_elevation_m": 562.7941409042348,
   "end_elevation_m": 574.703149787211,
   "min_gradient_pct": 0.4552613213746781
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 22.780855246196438,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 1018.0,
   "end_distance_m": 1118.0,
   "start_elevation_m": 553.4676559603251,
   "end_elevation_m": 576.2485112065216,
   "min_gradient_pct": 2.216441896352137
  }
 ],
 "shape": {
  "ascent_concentration": 0.376,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 605.0,
  "shape_class": "sustained"
 },
 "length_m": 1126.3289467676461,
 "start_elevation_m": 433.11396067348267,
 "end_elevation_m": 577.5297562304772,
 "endpoint_gain_m": 144.41579555699457,
 "overall_gradient_pct": 12.821813376229116,
 "accumulated_ascent_m": 150.09941315606574,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.866827940641542,
   "start_distance_m": 861.0,
   "end_distance_m": 866.0,
   "midpoint_distance_m": 863.5,
   "start_elevation_m": 525.0465817824072,
   "end_elevation_m": 526.3899231794393,
   "start_xy": [
    2561830.7214008844,
    1139031.757632325
   ],
   "end_xy": [
    2561835.2698690267,
    1139033.8340324692
   ]
  },
  "max_10m": {
   "gradient_pct": 25.786386536889268,
   "start_distance_m": 1095.0,
   "end_distance_m": 1105.0,
   "midpoint_distance_m": 1100.0,
   "start_elevation_m": 570.730951363333,
   "end_elevation_m": 573.309590017022,
   "start_xy": [
    2562053.8816501214,
    1139092.4037942581
   ],
   "end_xy": [
    2562063.268908352,
    1139088.9571461896
   ]
  },
  "max_20m": {
   "gradient_pct": 24.46755565222702,
   "start_distance_m": 1085.0,
   "end_distance_m": 1105.0,
   "midpoint_distance_m": 1095.0,
   "start_elevation_m": 568.4160788865765,
   "end_elevation_m": 573.309590017022,
   "start_xy": [
    2562044.057399731,
    1139094.2452359034
   ],
   "end_xy": [
    2562063.268908352,
    1139088.9571461896
   ]
  },
  "max_25m": {
   "gradient_pct": 24.240087565999602,
   "start_distance_m": 1080.0,
   "end_distance_m": 1105.0,
   "midpoint_distance_m": 1092.5,
   "start_elevation_m": 567.249568125522,
   "end_elevation_m": 573.309590017022,
   "start_xy": [
    2562039.0959323505,
    1139094.864785284
   ],
   "end_xy": [
    2562063.268908352,
    1139088.9571461896
   ]
  },
  "max_50m": {
   "gradient_pct": 23.81801776595239,
   "start_distance_m": 1061.0,
   "end_distance_m": 1111.0,
   "midpoint_distance_m": 1086.0,
   "start_elevation_m": 562.7941409042348,
   "end_elevation_m": 574.703149787211,
   "start_xy": [
    2562020.223089854,
    1139093.2844564724
   ],
   "end_xy": [
    2562068.5764148934,
    1139086.1696420934
   ]
  },
  "max_100m": {
   "gradient_pct": 22.780855246196438,
   "start_distance_m": 1018.0,
   "end_distance_m": 1118.0,
   "midpoint_distance_m": 1068.0,
   "start_elevation_m": 553.4676559603251,
   "end_elevation_m": 576.2485112065216,
   "start_xy": [
    2561978.393951485,
    1139083.9375380583
   ],
   "end_xy": [
    2562074.798361148,
    1139083.0422836957
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -47.88176782549613,
   "start_distance_m": 1.0,
   "end_distance_m": 6.0,
   "midpoint_distance_m": 3.5,
   "start_elevation_m": 432.93290612950955,
   "end_elevation_m": 430.53881773823474,
   "start_xy": [
    2561157.8832615567,
    1138917.1566081692
   ],
   "end_xy": [
    2561162.4445693395,
    1138919.2046490156
   ]
  },
  "min_10m": {
   "gradient_pct": -38.48305016167956,
   "start_distance_m": 2.0,
   "end_distance_m": 12.0,
   "midpoint_distance_m": 7.0,
   "start_elevation_m": 432.7383801457376,
   "end_elevation_m": 428.89007512956965,
   "start_xy": [
    2561158.795523113,
    1138917.5662163384
   ],
   "end_xy": [
    2561167.918138679,
    1138921.6622980314
   ]
  },
  "min_20m": {
   "gradient_pct": -21.425288322714096,
   "start_distance_m": 0.0,
   "end_distance_m": 20.0,
   "midpoint_distance_m": 10.0,
   "start_elevation_m": 433.11396067348267,
   "end_elevation_m": 428.82890300893985,
   "start_xy": [
    2561156.971,
    1138916.747
   ],
   "end_xy": [
    2561175.216231132,
    1138924.9391633857
   ]
  },
  "min_25m": {
   "gradient_pct": -18.13438933484258,
   "start_distance_m": 0.0,
   "end_distance_m": 25.0,
   "midpoint_distance_m": 12.5,
   "start_elevation_m": 433.11396067348267,
   "end_elevation_m": 428.580363339772,
   "start_xy": [
    2561156.971,
    1138916.747
   ],
   "end_xy": [
    2561179.777538915,
    1138926.987204232
   ]
  },
  "min_50m": {
   "gradient_pct": 0.4552613213746781,
   "start_distance_m": 0.0,
   "end_distance_m": 50.0,
   "midpoint_distance_m": 25.0,
   "start_elevation_m": 433.11396067348267,
   "end_elevation_m": 433.34159133417,
   "start_xy": [
    2561156.971,
    1138916.747
   ],
   "end_xy": [
    2561202.58407783,
    1138937.227408464
   ]
  },
  "min_100m": {
   "gradient_pct": 2.216441896352137,
   "start_distance_m": 133.0,
   "end_distance_m": 233.0,
   "midpoint_distance_m": 183.0,
   "start_elevation_m": 444.6593146998865,
   "end_elevation_m": 446.87575659623866,
   "start_xy": [
    2561272.6485842764,
    1138980.7970876868
   ],
   "end_xy": [
    2561316.289546846,
    1138892.1550978855
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 44.28256113287716,
   "start_distance_m": 862.0,
   "end_distance_m": 864.0,
   "midpoint_distance_m": 863.0,
   "start_elevation_m": 525.1355084178206,
   "end_elevation_m": 526.0211596404781,
   "start_xy": [
    2561831.631094513,
    1139032.1729123536
   ],
   "end_xy": [
    2561833.4504817696,
    1139033.0034724115
   ]
  },
  "max_3m": {
   "gradient_pct": 34.303759008097735,
   "start_distance_m": 862.0,
   "end_distance_m": 865.0,
   "midpoint_distance_m": 863.5,
   "start_elevation_m": 525.1355084178206,
   "end_elevation_m": 526.1646211880635,
   "start_xy": [
    2561831.631094513,
    1139032.1729123536
   ],
   "end_xy": [
    2561834.360175398,
    1139033.4187524403
   ]
  }
 },
 "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": 0.055,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    0.0,
    61.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start",
   "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_2561-1138_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2561-1139_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2562-1138_0.5_2056_5728.tif",
   "data/cache/ch/swissalti3d_2021_2562-1139_0.5_2056_5728.tif"
  ],
  "calculated_at": "2026-09-10T19:25:05+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-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": [
   "2561-1138",
   "2561-1139",
   "2562-1138",
   "2562-1139"
  ],
  "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": "Villeneuve (VD)",
  "county": "Vaud",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}