{
 "ocl_version": "0.1.0",
 "name": "Col des Sarris from Toulon",
 "slug": "col-des-sarris-from-toulon",
 "confidence": "U",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 34.712735120905336,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2161.0,
   "end_distance_m": 2163.0,
   "start_elevation_m": 295.97754023561845,
   "end_elevation_m": 296.67179493803656,
   "min_gradient_pct": -27.55179698416157,
   "suppressed_max_gradient_pct": 80.56404085269548,
   "suppressed_location_m": [
    1991.0,
    1993.0
   ],
   "suppressed_min_gradient_pct": -80.16907772107231,
   "suppressed_min_location_m": [
    2177.0,
    2179.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.612456305307052,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2161.0,
   "end_distance_m": 2164.0,
   "start_elevation_m": 295.97754023561845,
   "end_elevation_m": 296.92591392477766,
   "min_gradient_pct": -21.37146177011952,
   "suppressed_max_gradient_pct": 68.16277121513774,
   "suppressed_location_m": [
    2184.0,
    2187.0
   ],
   "suppressed_min_gradient_pct": -52.19307194165216,
   "suppressed_min_location_m": [
    2176.0,
    2179.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 23.63329208110258,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_unresolved"
   ],
   "start_distance_m": 2160.0,
   "end_distance_m": 2165.0,
   "start_elevation_m": 295.73943388448254,
   "end_elevation_m": 296.92109848853767,
   "min_gradient_pct": -18.448293979383834,
   "suppressed_max_gradient_pct": 51.461857442234304,
   "suppressed_location_m": [
    2182.0,
    2187.0
   ],
   "suppressed_min_gradient_pct": -27.03858218264827,
   "suppressed_min_location_m": [
    1970.0,
    1975.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 16.377588395784528,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2074.0,
   "end_distance_m": 2084.0,
   "start_elevation_m": 287.0848339895947,
   "end_elevation_m": 288.72259282917315,
   "min_gradient_pct": -18.114961527787727,
   "suppressed_max_gradient_pct": 36.08216471515959,
   "suppressed_location_m": [
    2179.0,
    2189.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 15.0777187825895,
   "diagnostic": false,
   "flags": [
    "structure_excluded_min",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2063.0,
   "end_distance_m": 2083.0,
   "start_elevation_m": 285.61026528737295,
   "end_elevation_m": 288.62580904389085,
   "min_gradient_pct": -5.826283814079147,
   "suppressed_max_gradient_pct": 25.114377206633662,
   "suppressed_location_m": [
    2005.0,
    2025.0
   ],
   "suppressed_min_gradient_pct": -7.436525508649083,
   "suppressed_min_location_m": [
    1969.0,
    1989.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 14.168531210589435,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2063.0,
   "end_distance_m": 2088.0,
   "start_elevation_m": 285.61026528737295,
   "end_elevation_m": 289.1523980900203,
   "min_gradient_pct": -2.8843134533042303,
   "suppressed_max_gradient_pct": 21.792163936007228,
   "suppressed_location_m": [
    1991.0,
    2016.0
   ],
   "suppressed_min_gradient_pct": -4.062761109340045,
   "suppressed_min_location_m": [
    1931.0,
    1956.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 12.152781730592778,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 2063.0,
   "end_distance_m": 2113.0,
   "start_elevation_m": 285.61026528737295,
   "end_elevation_m": 291.68665615266934,
   "min_gradient_pct": 1.202085148190804,
   "suppressed_max_gradient_pct": 18.779355442640167,
   "suppressed_location_m": [
    1989.0,
    2039.0
   ],
   "suppressed_min_gradient_pct": 0.5715196406770247,
   "suppressed_min_location_m": [
    1936.0,
    1986.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 11.53442343422114,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1533.0,
   "end_distance_m": 1633.0,
   "start_elevation_m": 233.02773420334603,
   "end_elevation_m": 244.56215763756717,
   "min_gradient_pct": 1.8327642187550168,
   "suppressed_max_gradient_pct": 14.635116371493723,
   "suppressed_location_m": [
    1989.0,
    2089.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.297,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 71.0,
  "shape_class": "sustained"
 },
 "length_m": 3005.381504611748,
 "start_elevation_m": 93.57400775976177,
 "end_elevation_m": 380.29568112500044,
 "endpoint_gain_m": 286.72167336523864,
 "overall_gradient_pct": 9.540275433427176,
 "accumulated_ascent_m": 302.491644374838,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 23.63329208110258,
   "start_distance_m": 2160.0,
   "end_distance_m": 2165.0,
   "midpoint_distance_m": 2162.5,
   "start_elevation_m": 295.73943388448254,
   "end_elevation_m": 296.92109848853767,
   "start_xy": [
    939643.9636730327,
    6231223.064045533
   ],
   "end_xy": [
    939648.9628597373,
    6231223.154224752
   ]
  },
  "max_10m": {
   "gradient_pct": 16.377588395784528,
   "start_distance_m": 2074.0,
   "end_distance_m": 2084.0,
   "midpoint_distance_m": 2079.0,
   "start_elevation_m": 287.0848339895947,
   "end_elevation_m": 288.72259282917315,
   "start_xy": [
    939559.2842345419,
    6231214.886527038
   ],
   "end_xy": [
    939568.1408012806,
    6231219.399288217
   ]
  },
  "max_20m": {
   "gradient_pct": 15.0777187825895,
   "start_distance_m": 2063.0,
   "end_distance_m": 2083.0,
   "midpoint_distance_m": 2073.0,
   "start_elevation_m": 285.61026528737295,
   "end_elevation_m": 288.62580904389085,
   "start_xy": [
    939549.6609938671,
    6231209.557996386
   ],
   "end_xy": [
    939567.1577950942,
    6231219.2462339355
   ]
  },
  "max_25m": {
   "gradient_pct": 14.168531210589435,
   "start_distance_m": 2063.0,
   "end_distance_m": 2088.0,
   "midpoint_distance_m": 2075.5,
   "start_elevation_m": 285.61026528737295,
   "end_elevation_m": 289.1523980900203,
   "start_xy": [
    939549.6609938671,
    6231209.557996386
   ],
   "end_xy": [
    939572.1094099039,
    6231219.899433792
   ]
  },
  "max_50m": {
   "gradient_pct": 12.152781730592778,
   "start_distance_m": 2063.0,
   "end_distance_m": 2113.0,
   "midpoint_distance_m": 2088.0,
   "start_elevation_m": 285.61026528737295,
   "end_elevation_m": 291.68665615266934,
   "start_xy": [
    939549.6609938671,
    6231209.557996386
   ],
   "end_xy": [
    939596.9713180087,
    6231222.216360861
   ]
  },
  "max_100m": {
   "gradient_pct": 11.53442343422114,
   "start_distance_m": 1533.0,
   "end_distance_m": 1633.0,
   "midpoint_distance_m": 1583.0,
   "start_elevation_m": 233.02773420334603,
   "end_elevation_m": 244.56215763756717,
   "start_xy": [
    939622.6394545259,
    6231102.6375175975
   ],
   "end_xy": [
    939675.8796446124,
    6231166.9538223455
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -18.448293979383834,
   "start_distance_m": 1949.0,
   "end_distance_m": 1954.0,
   "midpoint_distance_m": 1951.5,
   "start_elevation_m": 273.6160855323118,
   "end_elevation_m": 272.6936708333426,
   "start_xy": [
    939465.7085405077,
    6231137.801947934
   ],
   "end_xy": [
    939469.3606748115,
    6231141.216902549
   ]
  },
  "min_10m": {
   "gradient_pct": -18.114961527787727,
   "start_distance_m": 1944.0,
   "end_distance_m": 1954.0,
   "midpoint_distance_m": 1949.0,
   "start_elevation_m": 274.50516698612137,
   "end_elevation_m": 272.6936708333426,
   "start_xy": [
    939462.056406204,
    6231134.386993318
   ],
   "end_xy": [
    939469.3606748115,
    6231141.216902549
   ]
  },
  "min_20m": {
   "gradient_pct": -5.826283814079147,
   "start_distance_m": 1934.0,
   "end_distance_m": 1954.0,
   "midpoint_distance_m": 1944.0,
   "start_elevation_m": 273.8589275961584,
   "end_elevation_m": 272.6936708333426,
   "start_xy": [
    939455.0557669599,
    6231127.248987489
   ],
   "end_xy": [
    939469.3606748115,
    6231141.216902549
   ]
  },
  "min_25m": {
   "gradient_pct": -2.8843134533042303,
   "start_distance_m": 1929.0,
   "end_distance_m": 1954.0,
   "midpoint_distance_m": 1941.5,
   "start_elevation_m": 273.41474919666865,
   "end_elevation_m": 272.6936708333426,
   "start_xy": [
    939451.5878387291,
    6231123.647116616
   ],
   "end_xy": [
    939469.3606748115,
    6231141.216902549
   ]
  },
  "min_50m": {
   "gradient_pct": 1.202085148190804,
   "start_distance_m": 1019.0,
   "end_distance_m": 1069.0,
   "midpoint_distance_m": 1044.0,
   "start_elevation_m": 188.92130921042664,
   "end_elevation_m": 189.52235178452204,
   "start_xy": [
    939405.0044541049,
    6230986.005665239
   ],
   "end_xy": [
    939453.9921217251,
    6230991.392210632
   ]
  },
  "min_100m": {
   "gradient_pct": 1.8327642187550168,
   "start_distance_m": 975.0,
   "end_distance_m": 1075.0,
   "midpoint_distance_m": 1025.0,
   "start_elevation_m": 187.96612508583843,
   "end_elevation_m": 189.79888930459344,
   "start_xy": [
    939364.9031623383,
    6230970.361608696
   ],
   "end_xy": [
    939459.0160630457,
    6230994.672456599
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 34.712735120905336,
   "start_distance_m": 2161.0,
   "end_distance_m": 2163.0,
   "midpoint_distance_m": 2162.0,
   "start_elevation_m": 295.97754023561845,
   "end_elevation_m": 296.67179493803656,
   "start_xy": [
    939644.9635103736,
    6231223.082081377
   ],
   "end_xy": [
    939646.9631850554,
    6231223.1181530645
   ]
  },
  "max_3m": {
   "gradient_pct": 31.612456305307052,
   "start_distance_m": 2161.0,
   "end_distance_m": 2164.0,
   "midpoint_distance_m": 2162.5,
   "start_elevation_m": 295.97754023561845,
   "end_elevation_m": 296.92591392477766,
   "start_xy": [
    939644.9635103736,
    6231223.082081377
   ],
   "end_xy": [
    939647.9630223964,
    6231223.1361889085
   ]
  }
 },
 "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": 0.025,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    20.0,
    25.0,
    50.0
   ],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.031,
   "windows_resited": [
    10.0,
    20.0,
    25.0,
    50.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.061,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 4,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 2011.0,
     "end_m": 2036.0,
     "raw_pct": 19.57,
     "reason": "hump+mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 2011.0,
     "end_m": 2031.0,
     "raw_pct": 21.64,
     "reason": "hump+mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 2011.0,
     "end_m": 2021.0,
     "raw_pct": 34.06,
     "reason": "hump+mask-edge+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 2013.0,
     "end_m": 2018.0,
     "raw_pct": 41.5,
     "reason": "hump+mask-edge+short-step"
    },
    {
     "window_m": 25.0,
     "start_m": 191.0,
     "end_m": 216.0,
     "raw_pct": 17.37,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 191.0,
     "end_m": 211.0,
     "raw_pct": 19.27,
     "reason": "hump"
    },
    {
     "window_m": 10.0,
     "start_m": 191.0,
     "end_m": 201.0,
     "raw_pct": 27.41,
     "reason": "hump+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 1964.0,
     "end_m": 1969.0,
     "raw_pct": 33.4,
     "reason": "hump+mask-edge+short-step"
    },
    {
     "window_m": 5.0,
     "start_m": 145.0,
     "end_m": 150.0,
     "raw_pct": 26.76,
     "reason": "short-step"
    },
    {
     "window_m": 10.0,
     "start_m": 1891.0,
     "end_m": 1901.0,
     "raw_pct": 17.99,
     "reason": "spike+mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 1891.0,
     "end_m": 1896.0,
     "raw_pct": 24.7,
     "reason": "spike+mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": [
    {
     "window_m": 5.0,
     "start_m": 2160.0,
     "end_m": 2165.0,
     "pct": 23.63,
     "reason": "short-step"
    }
   ]
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.289,
   "obstruction_max_height_m": 23.62,
   "flagged_windows_m": [
    100
   ]
  },
  "excluded_ranges_m": [
   [
    143.0,
    152.0
   ],
   [
    189.0,
    218.0
   ],
   [
    1691.0,
    1696.0
   ],
   [
    1876.0,
    1903.0
   ],
   [
    1955.0,
    1960.0
   ],
   [
    1962.0,
    1976.0
   ],
   [
    1980.0,
    2038.0
   ],
   [
    2057.0,
    2062.0
   ],
   [
    2176.0,
    2181.0
   ],
   [
    2183.0,
    2188.0
   ],
   [
    2756.0,
    2761.0
   ],
   [
    2875.0,
    2880.0
   ]
  ],
  "review": [
   "texture_unresolved"
  ],
  "extent": [
   "may_start_earlier"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "d198da95dd3f6042d187a1fd54d1d05102035766",
   "code_git_dirty": "false",
   "analysis_version": "0.1.0",
   "analysis_config_digest": "sha256:8c94015b54267da4",
   "python": "3.14.4",
   "numpy": "2.5.3",
   "rasterio": "1.5.1",
   "pyproj": "3.8.0",
   "laspy": "2.7.0",
   "shapely": "2.1.2",
   "pyosmium": "4.3.1",
   "libosmium": "2.23.1",
   "gdal": "3.12.4",
   "proj": "9.8.1",
   "run_id": "fr-pr-cols",
   "road_pbf": "block-batch-fr-pr-cols.osm.pbf",
   "region_key": "france",
   "crs": "EPSG:2154",
   "elevation_provider_key": "ign-lidarhd",
   "tile_index": "wms-grid",
   "authority": "bdtopo",
   "registry_pbf": "france-vosges-2026-09-16.osm.pbf",
   "tile_index_snapshot": "sha256:396cc16291f947a7"
  },
  "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:2154",
  "elevation_resolution_m": 0.5,
  "elevation_tiles": [
   "data/cache/fr/ign-lidarhd_dtm_E938-N6230_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E938-N6231_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E939-N6230_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E939-N6231_0m5@22LHDQR-2025-03-11.tif",
   "data/cache/fr/ign-lidarhd_dtm_E940-N6231_0m5@22LHDQR-2025-03-11.tif"
  ],
  "calculated_at": "2026-09-25T12:20:03+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-pr-cols.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-pr-cols",
  "elevation_provider": "IGN LiDAR HD MNT 0.5 m",
  "elevation_licence": "Licence Ouverte / Open Licence 2.0 (Etalab) \u2014 \u00a9 IGN, LiDAR HD (MNT/MNS), data.geopf.fr; reproduction autoris\u00e9e avec mention de la source et de la date",
  "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69",
  "elevation_vertical_datum": "IGN69",
  "elevation_tile_ids": [
   "E938-N6230",
   "E938-N6231",
   "E939-N6230",
   "E939-N6231",
   "E940-N6231"
  ],
  "elevation_blocks": [
   "22LHDQR@2025-03-11"
  ],
  "ign_dalles": [
   "LHD_FXX_0938_6231_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0938_6232_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0939_6231_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0939_6232_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0940_6232_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHDQR"
  ],
  "ign_editions": [
   "2025-03-11"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0938_6231_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0938_6232_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0939_6231_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0939_6232_MNT_O_0M50_LAMB93_IGN69": "2025-03-11",
   "LHD_FXX_0940_6232_MNT_O_0M50_LAMB93_IGN69": "2025-03-11"
  },
  "climb_origin": "named-pass",
  "structure_own_ways": "none \u2014 the route carried no way list and no mapped way runs along it; own decks unmasked",
  "carriageway": {
   "stations": 127,
   "stations_resolved": 127,
   "width_median_m": 4.5,
   "width_p10_m": 2.15,
   "width_min_m": 1.0,
   "width_max_m": 11.25,
   "bounded_share": 0.551,
   "unbounded_share": 0.449,
   "confidence_median": 0.54,
   "width_median_bounded_m": 4.5,
   "window_m": [
    2063.0,
    2088.0
   ],
   "width_at_max25_m": 3.25,
   "window_stations": 7,
   "single_track": false,
   "single_track_rule": "PROVISIONAL (2026-09-15): width_p10_m <= 3.0 m with bounded_share >= 0.6; recorded, not a rule",
   "status": "ok",
   "source": "dtm",
   "station_m": 25.0,
   "window_station_m": 5.0,
   "halfwidth_m": 6.0,
   "step_m": 0.25,
   "level_tol_m": 0.12,
   "break_min_m": 0.3,
   "stations_failed": 0,
   "hedge_to_hedge": {
    "stations": 127,
    "stations_resolved": 127,
    "width_median_m": 4.0,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.953,
    "unbounded_share": 0.047,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.75,
    "window_m": [
     2063.0,
     2088.0
    ],
    "width_at_max25_m": 6.0,
    "window_stations": 7,
    "status": "ok",
    "source": "dsm",
    "station_m": 25.0,
    "window_station_m": 5.0,
    "halfwidth_m": 6.0,
    "step_m": 0.25,
    "level_tol_m": 0.5,
    "break_min_m": 0.3,
    "stations_failed": 0
   }
  },
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
 },
 "area": {
  "place": "Toulon",
  "county": "Var",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}