{
 "ocl_version": "0.1.0",
 "name": "Chemin des Vignes",
 "slug": "chemin-des-vignes-7",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 35.92424794746023,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded_min",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 334.0,
   "end_distance_m": 336.0,
   "start_elevation_m": 305.8985192788878,
   "end_elevation_m": 306.617004237837,
   "min_gradient_pct": -37.45145383693966,
   "suppressed_max_gradient_pct": 83.2237108113759,
   "suppressed_location_m": [
    2461.0,
    2463.0
   ],
   "suppressed_min_gradient_pct": -92.83375043085016,
   "suppressed_min_location_m": [
    2457.0,
    2459.0
   ]
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.771617209017222,
   "diagnostic": true,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1526.0,
   "end_distance_m": 1529.0,
   "start_elevation_m": 446.0658396385393,
   "end_elevation_m": 447.0189881548098,
   "min_gradient_pct": -26.034452668704944,
   "suppressed_max_gradient_pct": 80.90228692350365,
   "suppressed_location_m": [
    2461.0,
    2464.0
   ],
   "suppressed_min_gradient_pct": -64.2797178302241,
   "suppressed_min_location_m": [
    2456.0,
    2459.0
   ]
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 26.028872527874682,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1525.0,
   "end_distance_m": 1530.0,
   "start_elevation_m": 445.9011242855881,
   "end_elevation_m": 447.2025679119818,
   "min_gradient_pct": -21.652798682821413,
   "suppressed_max_gradient_pct": 75.0455033251751,
   "suppressed_location_m": [
    2461.0,
    2466.0
   ],
   "suppressed_min_gradient_pct": -46.37978818878992,
   "suppressed_min_location_m": [
    20.0,
    25.0
   ]
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 21.107189405690292,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1752.0,
   "end_distance_m": 1762.0,
   "start_elevation_m": 471.48480469411714,
   "end_elevation_m": 473.5955236346862,
   "min_gradient_pct": -18.463603495332563,
   "suppressed_max_gradient_pct": 58.476499197107614,
   "suppressed_location_m": [
    2460.0,
    2470.0
   ],
   "suppressed_min_gradient_pct": -25.656086118846133,
   "suppressed_min_location_m": [
    20.0,
    30.0
   ]
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 17.726204362294595,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "suppression_unstable",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 571.0,
   "end_distance_m": 591.0,
   "start_elevation_m": 332.3150110970916,
   "end_elevation_m": 335.8602519695505,
   "min_gradient_pct": -9.823151033000386,
   "suppressed_max_gradient_pct": 28.373336006399086,
   "suppressed_location_m": [
    2459.0,
    2479.0
   ],
   "suppressed_min_gradient_pct": -10.51494079333878,
   "suppressed_min_location_m": [
    20.0,
    40.0
   ]
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 16.505002021804103,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "texture_excluded",
    "suppression_unstable",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 576.0,
   "end_distance_m": 601.0,
   "start_elevation_m": 332.91364825528035,
   "end_elevation_m": 337.0398987607314,
   "min_gradient_pct": -6.325073837248965,
   "suppressed_max_gradient_pct": 23.427652943157227,
   "suppressed_location_m": [
    1250.0,
    1275.0
   ],
   "suppressed_min_gradient_pct": -7.329625815429381,
   "suppressed_min_location_m": [
    20.0,
    45.0
   ]
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 14.275842441144619,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "texture_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1445.0,
   "end_distance_m": 1495.0,
   "start_elevation_m": 435.82838354671003,
   "end_elevation_m": 442.96630476728234,
   "min_gradient_pct": -0.4378463361131253,
   "suppressed_max_gradient_pct": 17.47944888305699,
   "suppressed_location_m": [
    1225.0,
    1275.0
   ]
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 13.403248530368671,
   "diagnostic": false,
   "flags": [
    "structure_excluded",
    "structure_excluded_min",
    "no_bench_excluded",
    "texture_excluded",
    "canopy_or_structure"
   ],
   "start_distance_m": 1437.0,
   "end_distance_m": 1537.0,
   "start_elevation_m": 434.7697570991964,
   "end_elevation_m": 448.17300562956507,
   "min_gradient_pct": 4.238069321168609,
   "suppressed_max_gradient_pct": 14.962481851360849,
   "suppressed_location_m": [
    1175.0,
    1275.0
   ],
   "suppressed_min_gradient_pct": 1.105268739165524,
   "suppressed_min_location_m": [
    19.0,
    119.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.278,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 169.0,
  "shape_class": "sustained"
 },
 "length_m": 2629.059851793619,
 "start_elevation_m": 284.25392404785293,
 "end_elevation_m": 557.9533270691119,
 "endpoint_gain_m": 273.69940302125895,
 "overall_gradient_pct": 10.410542872751012,
 "accumulated_ascent_m": 292.5558372998076,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 26.028872527874682,
   "start_distance_m": 1525.0,
   "end_distance_m": 1530.0,
   "midpoint_distance_m": 1527.5,
   "start_elevation_m": 445.9011242855881,
   "end_elevation_m": 447.2025679119818,
   "start_xy": [
    888470.3629752443,
    6539528.565221892
   ],
   "end_xy": [
    888475.3018146023,
    6539529.344879378
   ]
  },
  "max_10m": {
   "gradient_pct": 21.107189405690292,
   "start_distance_m": 1752.0,
   "end_distance_m": 1762.0,
   "midpoint_distance_m": 1757.0,
   "start_elevation_m": 471.48480469411714,
   "end_elevation_m": 473.5955236346862,
   "start_xy": [
    888689.4197140543,
    6539545.708902866
   ],
   "end_xy": [
    888695.9625099145,
    6539538.515879025
   ]
  },
  "max_20m": {
   "gradient_pct": 17.726204362294595,
   "start_distance_m": 571.0,
   "end_distance_m": 591.0,
   "midpoint_distance_m": 581.0,
   "start_elevation_m": 332.3150110970916,
   "end_elevation_m": 335.8602519695505,
   "start_xy": [
    888407.5422350654,
    6540405.29053152
   ],
   "end_xy": [
    888404.3243707382,
    6540385.551095125
   ]
  },
  "max_25m": {
   "gradient_pct": 16.505002021804103,
   "start_distance_m": 576.0,
   "end_distance_m": 601.0,
   "midpoint_distance_m": 588.5,
   "start_elevation_m": 332.91364825528035,
   "end_elevation_m": 337.0398987607314,
   "start_xy": [
    888406.7377689836,
    6540400.355672422
   ],
   "end_xy": [
    888402.7154385747,
    6540375.681376928
   ]
  },
  "max_50m": {
   "gradient_pct": 14.275842441144619,
   "start_distance_m": 1445.0,
   "end_distance_m": 1495.0,
   "midpoint_distance_m": 1470.0,
   "start_elevation_m": 435.82838354671003,
   "end_elevation_m": 442.96630476728234,
   "start_xy": [
    888420.1749649022,
    6539584.496604723
   ],
   "end_xy": [
    888446.2003911218,
    6539541.852474569
   ]
  },
  "max_100m": {
   "gradient_pct": 13.403248530368671,
   "start_distance_m": 1437.0,
   "end_distance_m": 1537.0,
   "midpoint_distance_m": 1487.0,
   "start_elevation_m": 434.7697570991964,
   "end_elevation_m": 448.17300562956507,
   "start_xy": [
    888414.7089649971,
    6539590.338080995
   ],
   "end_xy": [
    888482.2161897036,
    6539530.436399858
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -21.652798682821413,
   "start_distance_m": 2394.0,
   "end_distance_m": 2399.0,
   "midpoint_distance_m": 2396.5,
   "start_elevation_m": 541.311354930925,
   "end_elevation_m": 540.2287149967839,
   "start_xy": [
    889115.7031095749,
    6539345.810385391
   ],
   "end_xy": [
    889117.0132616428,
    6539340.985087311
   ]
  },
  "min_10m": {
   "gradient_pct": -18.463603495332563,
   "start_distance_m": 2391.0,
   "end_distance_m": 2401.0,
   "midpoint_distance_m": 2396.0,
   "start_elevation_m": 541.8628457792794,
   "end_elevation_m": 540.0164854297461,
   "start_xy": [
    889114.917018334,
    6539348.705564239
   ],
   "end_xy": [
    889117.5373224699,
    6539339.05496808
   ]
  },
  "min_20m": {
   "gradient_pct": -9.823151033000386,
   "start_distance_m": 2389.0,
   "end_distance_m": 2409.0,
   "midpoint_distance_m": 2399.0,
   "start_elevation_m": 541.8761812179316,
   "end_elevation_m": 539.9115510113315,
   "start_xy": [
    889114.3929575069,
    6539350.635683471
   ],
   "end_xy": [
    889119.6335657786,
    6539331.334491151
   ]
  },
  "min_25m": {
   "gradient_pct": -6.325073837248965,
   "start_distance_m": 2384.0,
   "end_distance_m": 2409.0,
   "midpoint_distance_m": 2396.5,
   "start_elevation_m": 541.4928194706438,
   "end_elevation_m": 539.9115510113315,
   "start_xy": [
    889113.082805439,
    6539355.460981551
   ],
   "end_xy": [
    889119.6335657786,
    6539331.334491151
   ]
  },
  "min_50m": {
   "gradient_pct": -0.4378463361131253,
   "start_distance_m": 2359.0,
   "end_distance_m": 2409.0,
   "midpoint_distance_m": 2384.0,
   "start_elevation_m": 540.1304741793881,
   "end_elevation_m": 539.9115510113315,
   "start_xy": [
    889098.7286696344,
    6539375.721978133
   ],
   "end_xy": [
    889119.6335657786,
    6539331.334491151
   ]
  },
  "min_100m": {
   "gradient_pct": 4.238069321168609,
   "start_distance_m": 2472.0,
   "end_distance_m": 2572.0,
   "midpoint_distance_m": 2522.0,
   "start_elevation_m": 550.1459188298263,
   "end_elevation_m": 554.3839881509949,
   "start_xy": [
    889136.924795657,
    6539271.146466315
   ],
   "end_xy": [
    889211.4596829403,
    6539207.165741274
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 35.92424794746023,
   "start_distance_m": 334.0,
   "end_distance_m": 336.0,
   "midpoint_distance_m": 335.0,
   "start_elevation_m": 305.8985192788878,
   "end_elevation_m": 306.617004237837,
   "start_xy": [
    888390.4056258855,
    6540620.552066463
   ],
   "end_xy": [
    888389.3980516957,
    6540618.824410753
   ]
  },
  "max_3m": {
   "gradient_pct": 31.771617209017222,
   "start_distance_m": 1526.0,
   "end_distance_m": 1529.0,
   "midpoint_distance_m": 1527.5,
   "start_elevation_m": 446.0658396385393,
   "end_elevation_m": 447.0189881548098,
   "start_xy": [
    888471.3507431159,
    6539528.721153389
   ],
   "end_xy": [
    888474.3140467308,
    6539529.188947881
   ]
  }
 },
 "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": 0.041,
   "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,
    100.0
   ],
   "minima_unresolved": []
  },
  "no_bench_suppression": {
   "masked_fraction": 0.068,
   "windows_resited": [
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_suppression": {
   "masked_fraction": 0.091,
   "windows_resited": [
    2.0,
    3.0,
    5.0,
    10.0,
    20.0,
    25.0,
    50.0,
    100.0
   ],
   "windows_unresolved": [],
   "minima_resited": [],
   "minima_unresolved": []
  },
  "texture_windows": {
   "rounds": 2,
   "windows_masked": [
    {
     "window_m": 25.0,
     "start_m": 2416.0,
     "end_m": 2441.0,
     "raw_pct": 20.25,
     "reason": "hump"
    },
    {
     "window_m": 20.0,
     "start_m": 2420.0,
     "end_m": 2440.0,
     "raw_pct": 21.61,
     "reason": "staircase+hump"
    },
    {
     "window_m": 10.0,
     "start_m": 1771.0,
     "end_m": 1781.0,
     "raw_pct": 29.22,
     "reason": "hump"
    },
    {
     "window_m": 5.0,
     "start_m": 2430.0,
     "end_m": 2435.0,
     "raw_pct": 38.58,
     "reason": "hump+short-step"
    },
    {
     "window_m": 10.0,
     "start_m": 491.0,
     "end_m": 501.0,
     "raw_pct": 25.1,
     "reason": "hump"
    }
   ],
   "advisory": [],
   "unresolved": [],
   "unstable": [
    {
     "window_m": 25.0,
     "start_m": 478.0,
     "end_m": 503.0,
     "raw_pct": 18.16,
     "reason": "hump",
     "perturbations": [
      "phase+0.000/mask+0",
      "phase+0.333/mask+1",
      "phase+0.667/mask-1"
     ],
     "perturbation_reasons": [
      "hump",
      "",
      ""
     ]
    },
    {
     "window_m": 20.0,
     "start_m": 483.0,
     "end_m": 503.0,
     "raw_pct": 20.12,
     "reason": "hump",
     "perturbations": [
      "phase+0.000/mask+0",
      "phase+0.333/mask+1",
      "phase+0.667/mask-1"
     ],
     "perturbation_reasons": [
      "hump",
      "hump",
      ""
     ]
    }
   ]
  },
  "overhead_obstruction": {
   "obstruction_threshold_m": 2.0,
   "obstructed_fraction": 0.511,
   "obstruction_max_height_m": 24.48,
   "flagged_windows_m": [
    2,
    3,
    5,
    10,
    20,
    25,
    50,
    100
   ]
  },
  "excluded_ranges_m": [
   [
    0.0,
    62.0
   ],
   [
    68.0,
    73.0
   ],
   [
    247.0,
    252.0
   ],
   [
    489.0,
    503.0
   ],
   [
    555.0,
    560.0
   ],
   [
    620.0,
    660.0
   ],
   [
    1271.0,
    1277.0
   ],
   [
    1370.0,
    1400.0
   ],
   [
    1769.0,
    1783.0
   ],
   [
    2001.0,
    2006.0
   ],
   [
    2414.0,
    2443.0
   ],
   [
    2455.0,
    2468.0
   ]
  ],
  "review": [],
  "extent": []
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "run_manifest": {
   "manifest_version": "1",
   "code_git_sha": "c4fd6b4a89a9718922c7ed8acdf14e43dcf75a33",
   "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-ju1",
   "road_pbf": "block-batch-fr-ju1.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": "sha256:78945c7930496bfe"
  },
  "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_E888-N6539_0m5@21LHD5PK1-2024-12-19.tif",
   "data/cache/fr/ign-lidarhd_dtm_E888-N6540_0m5@21LHD5PK1-2024-12-19.tif",
   "data/cache/fr/ign-lidarhd_dtm_E889-N6539_0m5@21LHD5PK1-2024-12-19.tif"
  ],
  "calculated_at": "2026-09-24T10:44:11+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
  "osm_pbf_path": "data/cache/pbf/block-batch-fr-ju1.osm.pbf",
  "osm_snapshot": "",
  "run_id": "fr-ju1",
  "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": [
   "E888-N6539",
   "E888-N6540",
   "E889-N6539"
  ],
  "elevation_blocks": [
   "21LHD5PK1@2024-12-19"
  ],
  "ign_dalles": [
   "LHD_FXX_0888_6540_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0888_6541_MNT_O_0M50_LAMB93_IGN69",
   "LHD_FXX_0889_6540_MNT_O_0M50_LAMB93_IGN69"
  ],
  "ign_missions": [
   "21LHD5PK1"
  ],
  "ign_editions": [
   "2024-12-19"
  ],
  "ign_dsm_edition": {
   "LHD_FXX_0888_6540_MNT_O_0M50_LAMB93_IGN69": "2024-12-19",
   "LHD_FXX_0888_6541_MNT_O_0M50_LAMB93_IGN69": "2024-12-19",
   "LHD_FXX_0889_6540_MNT_O_0M50_LAMB93_IGN69": "2024-12-19"
  },
  "climb_origin": "discovered",
  "structure_own_ways": 3,
  "structure_mask_ranges_m": [
   [
    2.0,
    32.0
   ],
   [
    0.0,
    28.2
   ]
  ],
  "mask_basin_extension_m": 26.0,
  "suppression_unstable": [
   20.0,
   25.0
  ],
  "carriageway": {
   "stations": 112,
   "stations_resolved": 112,
   "width_median_m": 3.75,
   "width_p10_m": 2.0,
   "width_min_m": 0.75,
   "width_max_m": 10.5,
   "bounded_share": 0.625,
   "unbounded_share": 0.375,
   "confidence_median": 0.672,
   "width_median_bounded_m": 3.75,
   "window_m": [
    576.0,
    601.0
   ],
   "width_at_max25_m": 3.0,
   "window_stations": 7,
   "single_track": true,
   "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": 112,
    "stations_resolved": 112,
    "width_median_m": 2.75,
    "width_p10_m": 1.0,
    "width_min_m": 0.5,
    "width_max_m": 12.0,
    "bounded_share": 0.946,
    "unbounded_share": 0.054,
    "confidence_median": 1.0,
    "width_median_bounded_m": 2.75,
    "window_m": [
     576.0,
     601.0
    ],
    "width_at_max25_m": 2.0,
    "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": "Saint-Rambert-en-Bugey",
  "county": "Ain",
  "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)"
 }
}