{
 "ocl_version": "0.1.0",
 "name": "Route de Largenti\u00e8re",
 "slug": "route-de-largentiere-5",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 41.65807680118405,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 732.0,
   "end_distance_m": 734.0,
   "start_elevation_m": 380.142865919294,
   "end_elevation_m": 380.9760274553177,
   "min_gradient_pct": -36.899345899178115,
   "suppressed_max_gradient_pct": 140.1391502591622,
   "suppressed_location_m": [
    420.0,
    422.0
   ],
   "suppressed_min_gradient_pct": -125.19924427201374,
   "suppressed_min_location_m": [
    417.0,
    419.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 34.02522548540029,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 731.0,
   "end_distance_m": 734.0,
   "start_elevation_m": 379.9552706907557,
   "end_elevation_m": 380.9760274553177,
   "min_gradient_pct": -30.660768240519094,
   "suppressed_max_gradient_pct": 119.17608601606086,
   "suppressed_location_m": [
    832.0,
    835.0
   ],
   "suppressed_min_gradient_pct": -112.98991771961369,
   "suppressed_min_location_m": [
    1531.0,
    1534.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.448550041689032,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded_min",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1640.0,
   "end_distance_m": 1645.0,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 435.8340993189302,
   "min_gradient_pct": -15.836174690508642,
   "suppressed_max_gradient_pct": 90.1878440006601,
   "suppressed_location_m": [
    1535.0,
    1540.0
   ],
   "suppressed_min_gradient_pct": -89.48073662244497,
   "suppressed_min_location_m": [
    1530.0,
    1535.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 25.64174490786172,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded",
    "no_bench_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "texture_excluded"
   ],
   "start_distance_m": 1640.0,
   "end_distance_m": 1650.0,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 437.07584630763193,
   "min_gradient_pct": -10.00918002125104,
   "suppressed_max_gradient_pct": 51.533106858765336,
   "suppressed_location_m": [
    1535.0,
    1545.0
   ],
   "suppressed_min_gradient_pct": -43.48378777678079,
   "suppressed_min_location_m": [
    1525.0,
    1535.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 24.9636744295762,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 1640.0,
   "end_distance_m": 1660.0,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 439.504406702761,
   "min_gradient_pct": -6.110981695973692,
   "suppressed_max_gradient_pct": 30.70637956704161,
   "suppressed_location_m": [
    102.0,
    122.0
   ],
   "suppressed_min_gradient_pct": -19.147217171458806,
   "suppressed_min_location_m": [
    1515.0,
    1535.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 24.665658488069084,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded_min",
    "texture_excluded"
   ],
   "start_distance_m": 1640.0,
   "end_distance_m": 1665.0,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 440.67808643886303,
   "min_gradient_pct": -5.083362691979346,
   "suppressed_max_gradient_pct": 30.665348672229584,
   "suppressed_location_m": [
    95.0,
    120.0
   ],
   "suppressed_min_gradient_pct": -14.496990514637446,
   "suppressed_min_location_m": [
    1510.0,
    1535.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 22.41429593511691,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded_min"
   ],
   "start_distance_m": 1639.0,
   "end_distance_m": 1689.0,
   "start_elevation_m": 434.31390064045416,
   "end_elevation_m": 445.5210486080126,
   "min_gradient_pct": -1.4133861835564403,
   "suppressed_max_gradient_pct": 24.36069322785022,
   "suppressed_location_m": [
    71.0,
    121.0
   ],
   "suppressed_min_gradient_pct": -4.687180582815358,
   "suppressed_min_location_m": [
    1485.0,
    1535.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 17.203655154634873,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1602.0,
   "end_distance_m": 1702.0,
   "start_elevation_m": 430.63108417799407,
   "end_elevation_m": 447.83473933262894,
   "min_gradient_pct": 3.1405331141271517,
   "suppressed_max_gradient_pct": 23.290591783764512,
   "suppressed_location_m": [
    1638.0,
    1738.0
   ],
   "suppressed_min_gradient_pct": 0.47849257794797495,
   "suppressed_min_location_m": [
    1435.0,
    1535.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.355,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 132.0,
  "shape_class": "sustained"
 },
 "length_m": 2007.755314497097,
 "start_elevation_m": 336.5746075561363,
 "end_elevation_m": 475.64873347361606,
 "endpoint_gain_m": 139.07412591747976,
 "overall_gradient_pct": 6.926846359877029,
 "accumulated_ascent_m": 165.64255680283588,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.448550041689032,
   "start_distance_m": 1640.0,
   "end_distance_m": 1645.0,
   "midpoint_distance_m": 1642.5,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 435.8340993189302,
   "start_xy": [
    804981.5712095726,
    6390090.606242113
   ],
   "end_xy": [
    804976.6531218137,
    6390091.507581558
   ]
  },
  "max_10m": {
   "gradient_pct": 25.64174490786172,
   "start_distance_m": 1640.0,
   "end_distance_m": 1650.0,
   "midpoint_distance_m": 1645.0,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 437.07584630763193,
   "start_xy": [
    804981.5712095726,
    6390090.606242113
   ],
   "end_xy": [
    804971.7350340547,
    6390092.408921003
   ]
  },
  "max_20m": {
   "gradient_pct": 24.9636744295762,
   "start_distance_m": 1640.0,
   "end_distance_m": 1660.0,
   "midpoint_distance_m": 1650.0,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 439.504406702761,
   "start_xy": [
    804981.5712095726,
    6390090.606242113
   ],
   "end_xy": [
    804961.898858537,
    6390094.211599894
   ]
  },
  "max_25m": {
   "gradient_pct": 24.665658488069084,
   "start_distance_m": 1640.0,
   "end_distance_m": 1665.0,
   "midpoint_distance_m": 1652.5,
   "start_elevation_m": 434.51167181684576,
   "end_elevation_m": 440.67808643886303,
   "start_xy": [
    804981.5712095726,
    6390090.606242113
   ],
   "end_xy": [
    804956.980770778,
    6390095.11293934
   ]
  },
  "max_50m": {
   "gradient_pct": 22.41429593511691,
   "start_distance_m": 1639.0,
   "end_distance_m": 1689.0,
   "midpoint_distance_m": 1664.0,
   "start_elevation_m": 434.31390064045416,
   "end_elevation_m": 445.5210486080126,
   "start_xy": [
    804982.5548271243,
    6390090.425974224
   ],
   "end_xy": [
    804933.3979511216,
    6390099.547173767
   ]
  },
  "max_100m": {
   "gradient_pct": 17.203655154634873,
   "start_distance_m": 1602.0,
   "end_distance_m": 1702.0,
   "midpoint_distance_m": 1652.0,
   "start_elevation_m": 430.63108417799407,
   "end_elevation_m": 447.83473933262894,
   "start_xy": [
    805003.7347792748,
    6390116.186093669
   ],
   "end_xy": [
    804920.82449162,
    6390102.849917499
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -15.836174690508642,
   "start_distance_m": 726.0,
   "end_distance_m": 731.0,
   "midpoint_distance_m": 728.5,
   "start_elevation_m": 380.74707942528113,
   "end_elevation_m": 379.9552706907557,
   "start_xy": [
    805046.7144763457,
    6389714.667615811
   ],
   "end_xy": [
    805043.8505988941,
    6389718.766177259
   ]
  },
  "min_10m": {
   "gradient_pct": -10.00918002125104,
   "start_distance_m": 1782.0,
   "end_distance_m": 1792.0,
   "midpoint_distance_m": 1787.0,
   "start_elevation_m": 460.1400985051978,
   "end_elevation_m": 459.1391805030727,
   "start_xy": [
    804851.6548198754,
    6390136.849376509
   ],
   "end_xy": [
    804841.8634397109,
    6390138.881339717
   ]
  },
  "min_20m": {
   "gradient_pct": -6.110981695973692,
   "start_distance_m": 1772.0,
   "end_distance_m": 1792.0,
   "midpoint_distance_m": 1782.0,
   "start_elevation_m": 460.3613768422674,
   "end_elevation_m": 459.1391805030727,
   "start_xy": [
    804861.4462000397,
    6390134.817413302
   ],
   "end_xy": [
    804841.8634397109,
    6390138.881339717
   ]
  },
  "min_25m": {
   "gradient_pct": -5.083362691979346,
   "start_distance_m": 1767.0,
   "end_distance_m": 1792.0,
   "midpoint_distance_m": 1779.5,
   "start_elevation_m": 460.4100211760675,
   "end_elevation_m": 459.1391805030727,
   "start_xy": [
    804866.3418901219,
    6390133.801431698
   ],
   "end_xy": [
    804841.8634397109,
    6390138.881339717
   ]
  },
  "min_50m": {
   "gradient_pct": -1.4133861835564403,
   "start_distance_m": 1757.0,
   "end_distance_m": 1807.0,
   "midpoint_distance_m": 1782.0,
   "start_elevation_m": 460.66771653917897,
   "end_elevation_m": 459.96102344740075,
   "start_xy": [
    804876.1332702863,
    6390131.769468491
   ],
   "end_xy": [
    804844.0261911071,
    6390152.979779225
   ]
  },
  "min_100m": {
   "gradient_pct": 3.1405331141271517,
   "start_distance_m": 942.0,
   "end_distance_m": 1042.0,
   "midpoint_distance_m": 992.0,
   "start_elevation_m": 395.97544630540403,
   "end_elevation_m": 399.1159794195312,
   "start_xy": [
    805146.0076411662,
    6389754.77523864
   ],
   "end_xy": [
    805232.5951191157,
    6389800.673305762
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 41.65807680118405,
   "start_distance_m": 732.0,
   "end_distance_m": 734.0,
   "midpoint_distance_m": 733.0,
   "start_elevation_m": 380.142865919294,
   "end_elevation_m": 380.9760274553177,
   "start_xy": [
    805043.2778234037,
    6389719.585889549
   ],
   "end_xy": [
    805042.1322724231,
    6389721.225314128
   ]
  },
  "max_3m": {
   "gradient_pct": 34.02522548540029,
   "start_distance_m": 731.0,
   "end_distance_m": 734.0,
   "midpoint_distance_m": 732.5,
   "start_elevation_m": 379.9552706907557,
   "end_elevation_m": 380.9760274553177,
   "start_xy": [
    805043.8505988941,
    6389718.766177259
   ],
   "end_xy": [
    805042.1322724231,
    6389721.225314128
   ]
  }
 },
 "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": 0.042,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.083,
   "windows_resited": [
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.118,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 3,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 1705.0,
     "end_m": 1730.0,
     "raw_pct": 25.78,
     "reason": "mask-edge"
    },
    {
     "window_m": 20.0,
     "start_m": 1710.0,
     "end_m": 1730.0,
     "raw_pct": 26.94,
     "reason": "mask-edge"
    },
    {
     "window_m": 10.0,
     "start_m": 111.0,
     "end_m": 121.0,
     "raw_pct": 33.36,
     "reason": "mask-edge"
    },
    {
     "window_m": 5.0,
     "start_m": 116.0,
     "end_m": 121.0,
     "raw_pct": 46.74,
     "reason": "short-step"
    },
    {
     "window_m": 10.0,
     "start_m": 545.0,
     "end_m": 555.0,
     "raw_pct": 28.05,
     "reason": "short-step"
    },
    {
     "window_m": 10.0,
     "start_m": 93.0,
     "end_m": 103.0,
     "raw_pct": 26.22,
     "reason": "mask-edge"
    }
   ],
   "advisory": [],
   "unresolved": []
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.383,
   "obstruction_max_height_m": 25.67,
   "flagged_windows_m": [
    100
   ]
  },
  "excluded_ranges_m": [
   [
    83.0,
    88.0
   ],
   [
    91.0,
    123.0
   ],
   [
    416.0,
    424.0
   ],
   [
    480.0,
    510.0
   ],
   [
    543.0,
    557.0
   ],
   [
    571.0,
    576.0
   ],
   [
    650.0,
    700.0
   ],
   [
    821.0,
    839.0
   ],
   [
    936.0,
    941.0
   ],
   [
    1332.0,
    1337.0
   ],
   [
    1525.0,
    1545.0
   ],
   [
    1703.0,
    1736.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "076a8e7f889cfb3c2cf6b3de65a6030c7155b1f0",
   "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-mc7",
   "road_pbf": "block-batch-fr-mc7.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:af4eae1f5df9e232"
  },
  "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_E804-N6389_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E804-N6390_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E805-N6389_0m5@22LHD5NN-2025-06-04.tif",
   "data/cache/fr/ign-lidarhd_dtm_E805-N6390_0m5@22LHD5NN-2025-06-04.tif"
  ],
  "calculated_at": "2026-09-22T14:44:57+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-mc7.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-mc7",
  "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": [
   "E804-N6389",
   "E804-N6390",
   "E805-N6389",
   "E805-N6390"
  ],
  "elevation_blocks": [
   "22LHD5NN@2025-06-04"
  ],
  "ign_dalles": [
   "LHD_FXX_0804_6390_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0804_6391_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0805_6390_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0805_6391_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "22LHD5NN"
  ],
  "ign_editions": [
   "2025-06-04"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0804_6390_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0804_6391_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0805_6390_MNT_O_0M50_LAMB93_IGN69": "2025-06-04",
   "LHD_FXX_0805_6391_MNT_O_0M50_LAMB93_IGN69": "2025-06-04"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 8,
  "carriageway": {
   "stations": 86,
   "stations_resolved": 86,
   "width_median_m": 4.25,
   "width_p10_m": 2.5,
   "width_min_m": 1.0,
   "width_max_m": 8.75,
   "bounded_share": 0.314,
   "unbounded_share": 0.686,
   "confidence_median": 0.0,
   "width_median_bounded_m": 4.0,
   "window_m": [
    1640.0,
    1665.0
   ],
   "width_at_max25_m": 3.75,
   "window_stations": 6,
   "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": 86,
    "stations_resolved": 86,
    "width_median_m": 3.5,
    "width_p10_m": 0.88,
    "width_min_m": 0.5,
    "width_max_m": 10.0,
    "bounded_share": 0.895,
    "unbounded_share": 0.105,
    "confidence_median": 1.0,
    "width_median_bounded_m": 3.25,
    "window_m": [
     1640.0,
     1665.0
    ],
    "width_at_max25_m": 6.12,
    "window_stations": 6,
    "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": "Ailhon",
  "county": "Ard\u00e8che",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}